CN109876201B - An autologous fat suction, purification, precise injection and safety monitoring system - Google Patents

Abstract

The present invention discloses an autologous fat suction, purification, precision injection and safety monitoring system, including an injection gun and an infrared imaging mechanism, the injection gun includes a syringe and a driving mechanism for driving the syringe to suction or inject, and the syringe is connected to a needle; the infrared imaging mechanism includes an infrared thermal imaging camera, the infrared thermal imaging camera focuses on the part where the syringe is suctioned or injected, and is used to collect subcutaneous tissue distribution information of the part; the infrared thermal imaging camera is connected to a display, and the display is used to display the subcutaneous tissue distribution information collected by the infrared thermal imaging camera. The system can automatically suction autologous fat, purify the suctioned fat and inject it, and when suctioning and injecting autologous fat, the infrared imaging mechanism is used to observe the subcutaneous tissue distribution information, so as to improve the accuracy and safety of fat suction and injection.

Description

Autologous fat suction, purification, accurate injection and safety monitoring system

Technical Field

The invention belongs to the field of biomedical engineering, and particularly relates to a system for automatically and intelligently sucking and preparing human body fat and assisting in accurate treatment injection through infrared thermal imaging. The system can automatically suck the fat of a human body and purify the fat; the automatic injection fat can be used for carrying out cosmetic operation, can be applied to the treatment of removing wrinkles, breast augmentation, nose filling and the like in the plastic and cosmetic industry, can enable doctors to observe subcutaneous blood vessels and nerve distribution through infrared thermal imaging, can also observe the subcutaneous flow track of fat or other cosmetic biological materials, enables doctors to carry out accurate injection under the guidance of video images, and can be used for repairing endometrium and articular cartilage tissues, and simultaneously can also be used for automatic injection of clinical medicines and automatic injection and monitoring of biological experiments.

Background

The external treatment of autologous fat and the reinfusion into the body for wrinkle removal, breast augmentation and other cosmetic operations have the advantages of small immune rejection, long retention time, good cosmetic effect and the like. However, the following drawbacks exist in practical clinical applications:

(1) When the autologous fat is obtained, a special instrument is used for sucking the fat, the autologous fat which is just taken out has large particles, other connective tissues are entrained to easily block the needle head, and the beautifying effect is affected; the fat homogenization degree is low, the concentration of growth factors and stem cells is not high, and the use of cosmetic surgery is not facilitated;

(2) In the process of purifying and preparing the human autologous fat, manual operation is adopted, the treatment time is long, and the quantity and the activity of the adipose-derived stem cells are reduced;

(3) When the human body fat is adopted for cosmetic injection, the injection is carried out by adopting a manual pushing needle mode of an injector at present, and the labor intensity of doctors is greatly increased and the injection position is difficult to control because the amount of the sucked and injected body fat is 300-700 milliliters;

(4) Autologous fat transplantation beauty is performed on the face, chest and buttocks, when the face is subjected to injection beauty, because a large amount of blood vessels and nerve tissues exist on the face, doctors have difficulty in controlling the flow direction of injected adipose tissues and other biological materials on the face, and in case that the injected adipose tissues and other biological materials flow into the blood vessels, the risks of eye vision reduction and blindness are caused, and if the injected adipose tissues and other biological materials squeeze and damage the nerve tissues, the face is deformed and paralyzed.

Therefore, a method and a system for automatic intelligent suction preparation and infrared thermal imaging assisted accurate therapy injection of human autologous fat are needed, and the system can automatically suck autologous fat and purify the fat; the method can automatically inject fat to perform cosmetic operation, can be applied to the treatment of removing wrinkles, breast augmentation, nose filling and the like in the plastic and cosmetic industry, can enable doctors to observe facial blood vessels and nerve distribution through infrared thermal imaging, can observe the flow track of fat or other cosmetic biological materials under the skin, enables the doctors to perform accurate injection under the guidance of video images, greatly improves the efficiency of preparing autologous fat, shortens the time of preparing autologous fat, improves the quality of the cosmetic operation, avoids medical accidents in the cosmetic process, reduces the labor intensity of doctors, and can also be used for repairing endometrium and articular cartilage tissues and simultaneously can also be used for automatic injection of clinical medicines and automatic injection and monitoring of biological experiments.

Disclosure of Invention

The invention aims to provide a autologous fat suction, purification, accurate injection and safety monitoring system, which can clearly see blood vessels and nerves of the face through an infrared imaging mechanism, can clearly see the flow direction and track of injected autologous fat and other beautifying biological materials under the skin, avoids facial blood vessel blockage and nerve injury caused by misoperation, avoids vision degradation and blindness, avoids facial muscle deformation and paralysis, avoids occurrence of medical accidents, and improves the accuracy and safety of fat suction and injection; the method can also realize automatic suction and in-vitro preparation and purification of the autologous fat, filter off unused connective tissues, obtain tiny fat particles rich in high-quality growth factors, and realize automatic injection of the autologous fat.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

The system comprises an injection gun and an infrared imaging mechanism, wherein the injection gun comprises a needle cylinder and a driving mechanism for driving the needle cylinder to suck or inject, and a needle is connected to the needle cylinder;

the infrared imaging mechanism comprises an infrared thermal imaging camera, and the infrared thermal imaging camera is focused on the part of the needle cylinder for suction or injection and is used for collecting subcutaneous tissue distribution information of the part; the infrared thermal imaging camera is connected with a display, and the display is used for displaying subcutaneous tissue distribution information acquired by the infrared thermal imaging camera.

Preferably, the injection gun is an automatic screw rod driving injection gun, and the driving mechanism is a direct driving mechanism;

The syringe comprises an injection tube, a plug rod extending outwards from the interior of the injection tube and a top plate connected to the plug rod; the direct driving mechanism comprises a motor and a screw rod, an output shaft of the motor is connected with the screw rod, the screw rod is arranged side by side with the plug rod, the top plate is connected with a screw groove of the screw rod in a matched mode, and the screw rod drives the plug rod to conduct linear motion along with rotation of the motor.

Preferably, the automatic screw rod driving injection gun further comprises a shell, wherein the shell is connected with a screw rod baffle and a screw rod guide frame, and the screw rod is placed between the screw rod baffle and the screw rod guide frame.

Preferably, a control key is installed on the shell, and the control key is connected with the motor and used for controlling the motor to rotate forward or reversely.

Preferably, the injection gun is an automatic roller driving injection gun, and the driving mechanism is a direct driving mechanism;

The syringe comprises an injection tube and a push rod extending outwards from the interior of the injection tube; the direct driving mechanism comprises a driving guide wheel and a pressing wheel, the driving guide wheel and the pressing wheel are clamped on two sides of the push rod, the pressing wheel is connected with a fixing frame, the pressing wheel is connected with a guide rod through the fixing frame, the fixing frame and the guide rod are sleeved with a swinging tension spring, two ends of the swinging tension spring are fixed and tensioned with the fixing frame and the guide rod, and an operation ball for adjusting the relative position of the pressing wheel and the push rod is connected to the fixing frame; the driving guide wheel is connected with a worm wheel, the worm wheel is connected with a motor through a worm, and the driving guide wheel rotates under the drive of the motor and drives the push rod to conduct linear motion.

Preferably, the autologous fat sucking, purifying and accurate injecting and safety monitoring system further comprises a main control box, wherein the main control box comprises a hydraulic mechanism or a pneumatic mechanism, the hydraulic mechanism or the pneumatic mechanism is connected with the driving mechanism, and the hydraulic mechanism or the pneumatic mechanism is matched with the driving mechanism to drive the needle cylinder to suck or inject.

Preferably, the injection gun is a double-cylinder gas/liquid automatic injection gun, and the driving mechanism is an auxiliary driving mechanism;

The needle cylinder comprises an injection tube and a push rod extending outwards from the inside of the injection tube, and a double-tube pushing rod is connected to the part of the push rod extending out of the injection tube; the auxiliary driving mechanism comprises an inlet pipe and an outlet pipe which are connected with a hydraulic mechanism or a pneumatic mechanism of the main control box, gas or liquid is circularly exchanged between the inlet pipe and the outlet pipe and between the main control box, the liquid or gas in the inlet pipe and the outlet pipe acts on the double-pipe pushing rod, and the double-pipe pushing rod drives the pushing rod to conduct linear motion under the action of the gas or the liquid.

Preferably, the injection gun is an automatic hydraulic single-cylinder injection gun, the automatic hydraulic single-cylinder injection gun further comprises an external sleeve, and the driving mechanism is an auxiliary driving mechanism;

the needle cylinder comprises an injection tube and a sealing plug which is matched with the inner diameter of the injection tube, and one end of the sealing plug is connected with a thimble; the auxiliary driving mechanism comprises a liquid inlet and outlet pipe and an exhaust hole which are arranged on the outer sleeve member, one end of the liquid inlet and outlet pipe is connected with a hydraulic mechanism of the main control box, the other end of the liquid inlet and outlet pipe extends into the needle cylinder and corresponds to the thimble in position, and the hydraulic mechanism injects or sucks liquid into the injection pipe through the liquid inlet and outlet pipe so as to drive the sealing plug to perform linear motion; the exhaust hole is communicated with the outside and the inside of the injection tube in one way.

Preferably, the injection gun is an automatic soft double-corrugated pipe gas/liquid injection gun, the automatic soft double-corrugated pipe gas/liquid injection gun further comprises a shell, and the driving mechanism is an auxiliary driving mechanism;

The needle cylinder comprises an injection tube and a push rod extending outwards from the inside of the injection tube, and a fixing plate is connected to the part of the push rod extending out of the injection tube; the auxiliary driving mechanism comprises two soft corrugated pipes which are arranged side by side, the soft corrugated pipes are arranged side by side with the injection pipes, one end of each soft corrugated pipe is connected with a hydraulic mechanism or a pneumatic mechanism of the main control box, the other end of each soft corrugated pipe is connected with a guide head, each guide head is connected with the corresponding side of the fixed plate, the hydraulic mechanism or the pneumatic mechanism of the main control box injects or sucks liquid or gas into the soft corrugated pipes, and the soft corrugated pipes drive the push rods to conduct linear motion under the action of the liquid or the gas.

Compared with the prior art, the invention has the beneficial effects that:

(1) The invention observes subcutaneous blood vessels and nerves through the infrared imaging mechanism, can observe the flow direction and track of injected autologous fat and other beautifying biological materials under the skin, avoids facial blood vessel blockage nerve injury caused by misoperation, and improves the accuracy and safety of fat suction and injection;

(2) The invention can realize automatic suction and in-vitro preparation and purification of the autologous fat, filter useless connective tissue, obtain tiny fat particles rich in high-quality growth factors, and realize automatic injection of the autologous fat.

Drawings

FIG. 1 is a schematic diagram of an infrared imaging mechanism of the present invention;

FIG. 2 is a schematic view of the structure of the automatic screw drive gun of the present invention;

FIG. 3 is a first cross-sectional schematic view of the automatic screw drive injection gun of the present invention;

FIG. 4 is a second cross-sectional schematic view of the automatic screw drive injection gun of the present invention;

FIG. 5 is a third cross-sectional schematic view of the automatic screw drive injection gun of the present invention;

FIG. 6 is a fourth cross-sectional schematic view of the automatic screw drive injection gun of the present invention;

FIG. 7 is a schematic view of an automatic roller driven injection gun according to the present invention;

FIG. 8 is a schematic view of the automatic roller driven injection gun of the present invention with the view cover removed;

FIG. 9 is a schematic view of the automatic roller driven injection gun of the present invention with the view cover plate and lower cover plate removed;

FIG. 10 is a schematic view of the automatic roller driven injection gun of the present invention with the view cover plate removed and the tension spring swung;

FIG. 11 is a schematic view of the automatic roller driven injection gun of the present invention with the view cover removed;

FIG. 12 is a schematic view of the structure of the lower chamber of the automatic roller driven injection gun of the present invention;

FIG. 13 is a schematic diagram of a master control box employing a hydraulic control scheme of the present invention;

FIG. 14 is a schematic diagram of a master control box employing a pneumatic control scheme in accordance with the present invention;

FIG. 15 is a first side schematic view of a dual cylinder gas/liquid automatic injection gun of the present invention;

FIG. 16 is a second side schematic view of the dual cylinder gas/liquid automatic injection gun of the present invention;

FIG. 17 is a schematic diagram of the structure of the dual cylinder automatic gas/liquid injection gun of the present invention after the cover plate is opened;

FIG. 18 is a schematic view of the rear cover plate of FIG. 17 with the rear cover plate removed;

FIG. 19 is a schematic view of the construction of an automatic hydraulic single cylinder injection gun of the present invention;

FIG. 20 is a first cross-sectional schematic view of an automatic hydraulic single cylinder injection gun of the present invention;

FIG. 21 is a second cross-sectional schematic view of the automatic hydraulic single cylinder injection gun of the present invention;

FIG. 22 is a schematic view of the structure of an automatic soft dual bellows gas/liquid injection gun of the present invention;

fig. 23 is a flow chart of the process of pumping and injecting autologous fat according to the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "fixed" to another element, it can be directly fixed to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The invention provides a self-body fat sucking, purifying, accurate injecting and safety monitoring system which comprises a self-body fat automatic sucking, purifying and accurate injecting system and an infrared thermal imaging auxiliary accurate treatment imaging safety monitoring system. The automatic suction, purification and accurate injection system of the autologous fat comprises an injection gun, and the infrared thermal imaging assisted accurate treatment imaging safety monitoring system comprises an infrared imaging mechanism.

Specifically, the injection gun comprises a needle cylinder and a driving mechanism for driving the needle cylinder to suck or inject, wherein the needle cylinder is connected with a needle head; the infrared imaging mechanism comprises an infrared thermal imaging camera, and the infrared thermal imaging camera focuses on the part of the needle cylinder for sucking or injecting and is used for collecting subcutaneous tissue distribution information of the part; the infrared thermal imaging camera is connected with a display, and the display is used for displaying subcutaneous tissue distribution information acquired by the infrared thermal imaging camera.

The system can observe subcutaneous blood vessels and nerves through an infrared imaging mechanism, and can also observe the flow direction and track of injected autologous fat and other beauty biological materials under the skin, so that the problems that the autologous fat and other beauty biological materials block the blood vessels around the eyes of the face to cause vision reduction and blindness due to misoperation, or the autologous fat and other beauty biological materials squeeze the nerves of the face to cause facial deformation, facial paralysis and other injuries are avoided, and the accuracy and safety of the suction and injection of the autologous fat are improved.

The injection gun can complete suction and injection of autologous fat, and is convenient to use; further, pumped autologous fat is injected back and forth between the two injection guns, and a filter screen is added between the two injection guns, so that connective tissue in the pumped autologous fat can be filtered out, and tiny fat particles rich in high-quality growth factors are obtained, so that the quality of autologous fat injection is improved.

Specifically, as shown in fig. 1, an infrared thermal imaging camera in the infrared imaging mechanism irradiates the needle cylinder to perform suction/injection, is used for collecting subcutaneous tissue distribution information of the needle cylinder, and uploads the subcutaneous tissue distribution information to a device terminal, such as a computer, in real time in a wired or wireless manner, the subcutaneous tissue distribution information is transmitted to a display screen in a wired or wireless manner after being subjected to data processing by the computer, and the display screen displays the processed subcutaneous tissue distribution information in a graph or character form, so that an operator can conveniently grasp the flow condition of subcutaneous fat in real time, and accidents are avoided.

To accommodate a variety of use environments, the present embodiments provide a variety of different configurations of injection guns, as further described below in conjunction with the accompanying drawings.

Example 1: automatic screw rod driving injection gun

As shown in fig. 2-6, the automatic screw drive injection gun includes a syringe and a direct drive mechanism. The automatic screw drive injection gun comprises a housing 24 and an external sleeve 21 secured to the housing 24 by screws 20. The syringe includes syringe, by the inside outside stopper 31 that extends of syringe and connect the roof 30 on stopper 31, and the syringe is kept away from the one end connection syringe needle of roof 30, is connected with the sealing plug on the inside part of stopper 31 in the syringe.

The direct drive mechanism includes a motor 33, a screw rod 38 is connected to an output shaft of the motor 33, the screw rod 38 is arranged side by side with the stopper rod 31, and the top plate 30 is connected in cooperation with a screw groove of the screw rod 38 to perform linear movement following the rotation of the screw rod 38.

At the connection of the syringe and the housing 24, the syringe is provided with a radially extending flange, the housing 24 is provided with a groove for embedding the flange, and a spring pressing plate 39 is connected to one side of the groove, and the spring pressing plate 39 tightly presses the flange against the housing 24 under the action of elasticity so as to avoid displacement when the injection gun sucks or injects.

The direct drive mechanism, the top plate 30 and at least a portion of the stopper 31 are located inside the housing 24, and in particular, the motor 33 is disposed on the side of the housing 24 remote from the syringe. The motor 33 is connected with the encoder 32, and the accuracy and the stability of the driving of the motor 33 are realized through the control of the encoder 32. The motor 33 and the encoder 32 are fixed in position by a motor pressing plate 36, and when the motor 33 is fixed in position, an output shaft of the motor 33 is connected to a screw 38 through a screw fixing hole 37.

Both ends of the screw 38 are placed on the screw shutter 34 and the screw guide 35, respectively. The screw bar baffle 34 and the screw bar guide 35 are both connected to the housing in this embodiment, and the screw bar baffle 34 is disposed at a position closer to the motor 33 than the screw bar guide 35. The screw rod baffle 34 and the screw rod guide 35 play a role in positioning the screw rod 38 and bearing the thrust load impact force of the screw rod 38, thereby avoiding damage to the screw rod 38 or other components during operation.

A control button is also mounted on the housing 24 and is connected to the motor 33 for controlling the motor 33 to rotate forward or reverse. In this embodiment, the housing 24 is provided with two control keys, one for the suction key 22 for controlling the injection gun to suck the autologous fat and the other for the injection key 23 for controlling the injection gun to inject the autologous fat. Both control keys are connected to the key circuit 27, and the key circuit 27 is connected to the control circuit main board 25 of the injection gun, thereby realizing control key control motor 33 to rotate forward or reverse.

In order to further reduce the volume of the injection gun and improve the flexibility of operation, the embodiment adopts a wireless charging technology to realize the charging of the injection gun. A rechargeable battery 26 and a charging coil 28 are provided inside the housing 24, the rechargeable battery 26 is charged by the charging coil 28, and the control circuit board 25 and the key circuit 27 are powered by the rechargeable battery 26. Of course, in other embodiments, the present injection gun may be replaced with a wireless charging configuration with a wired charging configuration.

One mode of operation of the gun of this embodiment is as follows: pressing the suction key 22, the motor 33 rotates positively to drive the screw rod 38 to rotate, and the screw rod 38 drives the top plate 30 to drive the plug rod 31 to move in a direction away from the needle head, so that suction action is realized; pressing the injection key 23, the motor 33 reverses to drive the screw rod 38 to rotate, and the screw rod 38 drives the top plate 30 to drive the plug rod 31 to move towards the direction of the needle head, so that injection action is realized.

In order to avoid that the sealing plug is pulled out of the injection tube due to overlarge movement amplitude of the plug rod 31 during the pumping action, a proximity switch 29 is fixed in the shell 24, the proximity switch 29 is triggered when the top plate 30 moves to a proper position, and the proximity switch 29 sends out a signal to control the motor to stop rotating, so that the pumping action is completed.

Example 2: automatic roller-driven injection gun

As shown in fig. 7-12, the automatic roller-driven injection gun includes a syringe and a direct drive mechanism. The automatic roller-driven injection gun also includes a housing.

The barrel includes a syringe and a push rod 58 extending outwardly from the interior of the syringe, with the end of the syringe remote from the push rod 58 being connected to the needle. The shell is connected with a cylinder fixing frame 51 at one side of the shell near the injection tube, the connection between the shell and the injection tube is realized through the cylinder fixing frame 51, and in order to strengthen the connection strength of the injection tube, reinforcing plates 50 are attached to two sides of the injection tube.

The push rod 58 extends from the interior of the syringe to the interior of the housing and interacts with the direct drive mechanism.

The direct driving mechanism comprises a driving guide wheel 54 and a pressing wheel 55 which are clamped at two sides of a push rod 58, and in order to ensure the clamping effect, the action positions of the driving guide wheel 54 and the pressing wheel 55 on the push rod 58 are arranged at two sides of the push rod 58 and are symmetrical to each other. The driving guide wheel 54 is connected with a motor 62, and the driving guide wheel 54 rotates and drives the push rod 58 to perform linear motion under the driving of the motor 62. Specifically, the output shaft of the motor 62 is connected with a worm 61, the worm 61 is cooperatively connected with a worm wheel 60, and the worm wheel 60 is connected to the driving guide wheel 54 through a connecting shaft, so that the motor 62 drives the driving guide wheel 54 to rotate.

In order to dynamically adjust the acting force of the compression wheel 55 on the push rod 58, the compression wheel 55 is connected with a fixing frame 56, the compression wheel 55 is connected with a guide rod 57 through the fixing frame 56, the fixing frame 56 can swing around a poking shaft 75 at the front end of the guide rod 57 in a left-right rotating mode, a swinging tension spring 76 is sleeved on the fixing frame 56 and the guide rod 57 and is fixedly tensioned at two ends, an operating ball 73 is connected to the fixing frame 56, and the operating ball 73 is located outside a shell and is connected with the fixing frame 56 through a connecting rod.

When the operating ball 73 is shifted to approach the driving guide wheel 54, the operating ball 73 drives the pressing wheel 55 on the fixing frame 56 to rotate around the shifting shaft 75, at this time, an angle is generated between the fixing frame 56 and the guide rod 57, so that the swinging tension spring 76 pulls the pressing wheel 55, the pressing wheel 55 can generate a certain pressure to press the push rod 58, and the push rod 58 is driven to move back and forth under the action of the driving guide wheel 54; when the sucking and injecting actions are completed, the operating ball 73 is shifted away from the driving guide wheel 54, the operating ball 73 drives the pressing wheel 55 on the fixing frame 56 to rotate around the shifting shaft 75 in the opposite direction, and at this time, the fixing frame 56 and the guide rod 57 generate an angle in the opposite direction, so that the swing tension spring 76 pulls the pressing wheel 55 away from the push rod 58, and the needle cylinder is conveniently taken out. A partition plate 72 is connected to the inside of the housing, and the partition plate 72 divides the space inside the housing into an upper cavity and a lower cavity. Wherein the driving guide wheel 54, the pressing wheel 55, the fixing frame 56, the guide rod 57 and the push rod 58 are all positioned in the upper cavity; a worm gear 60, a worm 61 and a motor 62 are located in the lower cavity.

The injection gun in this embodiment also adopts wireless charging technology to complete charging, sets up wireless charging module area 63 in the lower cavity of casing, internally mounted has charging module and circuit motherboard, sets up rechargeable battery area 59 in the upper cavity of casing, internally mounted has rechargeable battery, and this rechargeable battery charges with charging module connection. Of course, in other embodiments, the present injection gun may be replaced with a wireless charging configuration with a wired charging configuration.

The housing includes a lower cover 74 that shields the lower cavity, and an upper cover 53 and viewing cover 52 that shield the upper cavity. The upper cover plate 53 is located at one side of the upper cavity away from the injection tube, the observation cover plate 52 is located at one side of the upper cavity close to the injection tube, and the two observation cover plates 52 are arranged oppositely, an observation gap is arranged between the two observation cover plates 52, and the motion state of the push rod 58 can be checked in real time through the observation gap.

One mode of operation of the gun of this embodiment is as follows: the motor 62 rotates to drive the worm 61, the worm 61 drives the worm wheel 60 to rotate, and then the driving guide wheel 54 rotates, and the driving guide wheel 54 and the pressing wheel 55 clamp the push rod 58, so that after the driving guide wheel 54 rotates, the push rod 58 moves linearly, and the suction and injection actions of the injection gun are completed.

In order to obtain the autologous fat sucking, purifying, accurate injecting and safety monitoring system with higher integration degree, the automatic autologous fat sucking, purifying and injecting system is also provided with a main control box which is mainly matched with an injection gun to suck, purify and inject the complete autologous fat. The main control box mainly comprises two schemes:

The first scheme is to adopt a liquid water pressure control scheme. The main control circuit controls the plunger pump to move to suck purified water, and the main control circuit controls the electromagnetic valve and the one-way valve to realize that the flowing direction of the purified water is controlled to suck and inject the injector. And the second scheme is a pneumatic control scheme. The main control circuit controls the booster pump to move to suck compressed air, and the main control circuit controls the electromagnetic valve to realize the suction and injection of the injector in the flowing direction of the compressed air.

The master control box is further described by the following examples:

Example 3: main control box adopting liquid water pressure control scheme

As shown in fig. 13, the main control box includes a main circuit board, an operation interface, and hydraulic components. The main circuit board is a hardware foundation for the main control box to work, and is provided with operation keys. The hydraulic component includes: plunger pump, check valve, solenoid valve, step motor, pressure sensor, liquid storage pot, recovery pot, wireless module etc.. The operation interface comprises a touch screen, wherein the operation keys are communicated with the touch screen by adopting a wireless module.

The main circuit board mainly realizes the following functions: 1. wireless module communication control, 2, plunger pump operation control, 3, pressure stabilizing control, 4, solenoid valve inching control, 5, touch screen display operation, 6, safety protection circuit. The control software is arranged in the operation interface and used for controlling and operating the hydraulic element and the wireless module, and mainly realizes the following functions: 1. interface switching, wireless module operation, injection speed setting, pressure display, pressure stabilization control, exhaust operation, injection quantity (flow) control, and safety protection circuit.

As shown in the figure, after an operation instruction is sent out through an operation key, the operation instruction is transmitted to a main control CPU through a wireless module, the main control CPU controls a corresponding stepping motor to rotate, and the stepping motor controls the movement of a plunger pump; the master control CUP simultaneously controls the electromagnetic valve to work, wherein the electromagnetic valve comprises a normally open exhaust valve A, a normally open exhaust valve B and a normally open exhaust valve C, liquid discharge and suction are controlled through opening and closing of the three exhaust valves, and the flow direction of the liquid is controlled by combining a one-way valve, so that the suction and injection of the injection gun of the hydraulic mechanism are controlled.

A plurality of plunger pumps are arranged in the main control box of the embodiment, and each plunger pump is provided with an independent control part, so that the plunger pumps are not interfered with each other. The operation of connecting a plurality of injection guns for simultaneous suction or injection can be realized, or the integrated workflow of suction, purification and injection can be realized.

For example: two 20ml plunger pumps can be used to aspirate autologous fat; a filter screen is added between two 10ml plunger pumps, and opposite suction and injection are carried out, so that the purification of autologous fat can be completed; two 1ml plunger pumps can be used for injection of autologous fat. The plunger pumps accurately control the pressure and stability of the injection gun through the pressure watchband feedback circuit so as to realize the accuracy and stability of the suction, purification and injection of the autologous fat.

Example 4: main control box adopting pneumatic control scheme

As shown in fig. 14, the main control box includes a main circuit board, an operation interface, and a pneumatic element. The main circuit board is the hardware basis of master control case work, and pneumatic element includes: booster pump, negative pressure pump, oil-water separation and air filtration unit, steady voltage valve, solenoid valve, wireless module etc..

The main circuit board mainly realizes the following functions: 1. wireless module communication control, 2, boost pump pressure control, 3, vacuum pump pressure control, 4, solenoid valve inching control, 5, touch screen display operation, 6, safety protection circuit. The control software is arranged in the operation interface and used for controlling and operating the pneumatic element and the wireless module, and mainly realizes the following functions: 1. interface switching button, 2, wireless module, control pump operation, 3, injection speed setting, 4, pressure display, 5, pressure stabilizing control, 6, exhaust operation, 7, injection quantity (flow) control, 8, safety protection circuit.

The booster pump controls injection of the injection gun, the negative pressure pump controls suction of the injection gun, the oil-water separation and air filtration unit ensures compression control quality, the electromagnetic valve controls flow direction and flow time of compressed gas, and the pressure stabilizing valve is used for controlling pressure and stability of the compressed gas.

The main control box mainly consists of the construction of hardware equipment to realize the required functions, and programs, methods and software operated by all equipment or systems belong to the prior art. Of course, the main control box can also be realized by adopting equipment in the prior art, and mainly aims at assisting the injection gun to complete the suction, purification and injection of the autologous fat.

The invention also has other implementation modes of the injection gun under the matched use of the main control box, and the injection gun is further described by the following examples.

Example 5: double-cylinder gas/liquid automatic injection gun

As shown in fig. 15-18, the dual cylinder gas/liquid automatic injection gun includes a syringe and an auxiliary drive mechanism. Comprising a needle cylinder and an auxiliary drive mechanism and a housing 1.

The barrel comprises a syringe 10 and a plunger 14 extending outwardly from the interior of the syringe 10, one end of the syringe 10 being connected to the needle 4. The push rod 14 extends outwards from the interior of the syringe 10 and is connected with a double-tube push rod 17 at the extension. The auxiliary driving mechanism comprises an inlet pipe 15 and an outlet pipe 16 which are connected with a hydraulic mechanism or a pneumatic mechanism of the main control box, gas or liquid is circularly exchanged between the inlet pipe 15 and the outlet pipe 16 and the main control box, and the liquid or gas in the inlet pipe 15 and the outlet pipe 16 acts on the double-pipe pushing rod 17 to push the double-pipe pushing rod 17 to perform linear motion, so that the push rod 14 is driven to move to complete suction and injection of the injection gun.

In this embodiment, the mouths of the inlet tube 15 and the outlet tube 16 are located at the end of the housing 1 remote from the needle, and the housing 1 is sealed at this end face with a back cover plate 8, the back cover plate 8 being detachably secured to the housing by means of a fixing screw hole 19 provided in the housing 1. An outlet 7 and an inlet 9 are arranged on the back cover plate 8, the outlet 7 corresponds to the orifice of the outlet pipe 16, and the inlet 9 corresponds to the orifice of the inlet pipe 15.

The shell 1 is provided with a cover plate 2, the cover plate 2 is provided with a spring buckle 13, and a fixed column 12 matched with the spring buckle 13 is arranged at a corresponding position of the shell 1. And in order to facilitate the opening of the cover plate 2, an uncovering projection 11 is provided at the side of the cover plate 2. The cover plate 2 is positioned above the injection tube 10, and a transparent observation strip 3 is arranged on the cover plate 2 for observing the dynamic state of the push rod 14 in real time.

The housing 1 internally mounts a battery and control circuit 18, the battery and control circuit 18 containing a wireless charging module and a wireless module. Two buttons, an injection button 5 and a suction button 6, are connected to the battery and the control circuit 18, and the injection button 5 and the suction button 6 are provided on the housing 1.

One mode of operation of the gun of this embodiment is:

When the injection button 5 is pressed, the battery and the control circuit 18 where the button is positioned control the main control box to enter compressed gas (liquid) into the injection gun from the outlet 7 through the wireless module, the outlet 7 is connected with the outlet pipe 16, the compressed gas (liquid) flows into the outlet pipe 16 and is discharged from the inlet pipe 15, and the double-pipe pushing rod 17 is pushed to drive the pushing rod 14 to move so as to complete the injection operation; when the suction button 6 is pressed, the battery and the control circuit 18 where the button is positioned control the main control box to flow compressed gas (liquid) into the inlet pipe 15 from the inlet 9 and discharge the compressed gas (liquid) from the outlet pipe 16 through the wireless module, and push the double-pipe pushing rod 17 to drive the pushing rod 14 to move so as to complete the back suction operation.

Example 6: automatic hydraulic single cylinder injection gun

As shown in fig. 19-21, the automatic hydraulic single cylinder injection gun includes an outer sleeve 40, a syringe, and an auxiliary drive mechanism. The needle cylinder comprises a syringe and a sealing plug which is matched with the inner diameter of the syringe, one end of the syringe is connected with a needle, the other end of the syringe is connected with the outer sleeve member 40, one side of the outer sleeve member 40 close to the needle is connected with a syringe bracket 43, and the syringe is connected with the outer sleeve member 40 through the syringe bracket 43. And the injection gun bracket 43 is internally provided with a main circuit board 44, and the main circuit board 44 is provided with a wireless communication module for wireless communication with the main control box.

The sealing plug facing away from the needle one end is connected with a thimble 47; the auxiliary driving mechanism comprises a liquid inlet and outlet pipe 45 and an exhaust hole 46 which are arranged on the external sleeve 40, and the liquid inlet and outlet pipe 45 and the exhaust hole 46 penetrate through the injection gun bracket 43 and are communicated to the space inside the injection tube. One end of the liquid inlet and outlet pipe 45 is connected with a hydraulic mechanism of the main control box, the other end of the liquid inlet and outlet pipe 45 extends into the injection pipe and corresponds to the thimble 47 in position, and the hydraulic mechanism injects or sucks liquid into the injection pipe through the liquid inlet and outlet pipe 45 so as to drive the sealing plug to perform linear motion.

Vent 46 communicates one way between the outside and the interior of the syringe allowing gas to move from the interior of the syringe to the outside.

The outer sleeve member 40 is provided with a suction button hole 41 and an injection button hole 42, and contact buttons are respectively mounted on the suction button hole 41 and the injection button hole 42 and connected with a main circuit board 44. The external member 40 is also provided with a rechargeable battery cavity 49, and a rechargeable battery is arranged in the rechargeable battery cavity 49, and the rechargeable battery is charged by adopting a charging circuit 48 and supplies power to the injection gun.

One mode of operation of the gun of this embodiment is:

Pressing the contact button in the injection button hole 42, the compressed gas (liquid) flows in from the liquid inlet and outlet pipe 45, and the gas inside the injection pipe is discharged from the exhaust hole 46, thus the exhaust function is completed, and the sucking and injecting actions are more accurate. When the contact key in the suction button hole 41 is pressed, compressed gas (liquid) is discharged from the liquid inlet and outlet pipe 45, so that suction action is realized, when the ejector pin 47 is combined with the liquid inlet and outlet pipe 45, the discharge of the gas (liquid) is interrupted, and the suction action is stopped; when the contact button in the injection button hole 42 is pressed, compressed air (liquid) flows in from the liquid inlet and outlet pipe 45, and pushes the thimble 47 to move forward, so that the injection action is completed.

Example 7: automatic soft double corrugated pipe gas/liquid injection gun

As shown in FIG. 22, the automatic soft dual bellows air/liquid injection gun includes a housing, a syringe, and an auxiliary drive mechanism.

The auxiliary drive mechanism comprises two side-by-side flexible bellows, namely a left flexible bellows 71 and a right flexible bellows 66. Two cavities 70 respectively connected with the soft corrugated pipes are arranged in the shell, the cavities 70 are provided with an air inlet 64 and an air outlet 65, and the air inlet 64 and the air outlet 65 are connected with a hydraulic mechanism or a pneumatic mechanism of the main control box. The two flexible bellows are connected at their ends remote from the cavity 70 with guide heads 68.

The syringe includes the syringe and outwards extends push rod 67 by the syringe inside, and the syringe joint is on the casing and be located between two software bellows, and the one end and the syringe are connected with the syringe needle, and the syringe is arranged side by side with the software bellows. The push rod 67 extends outwards from the inside of the injection tube, the tail end of the extending part of the push rod 67 is connected with a fixing plate 69, the fixing plate 69 is connected with the guide heads 68 of the two soft corrugated pipes, and the soft corrugated pipes are stretched or shortened under the action of liquid or gas so as to drive the push rod to perform linear motion. The injection gun of this embodiment is also equipped with a control button and a wireless module in wireless communication with the main control box, and the suction and injection actions coordinated with the main control box are completed under the operation of the control button.

One mode of operation of the gun of this embodiment is:

When the suction action is performed, compressed gas (liquid) flows in from the air inlet 64, the right soft corrugated pipe 66 and the left soft corrugated pipe 71 expand and stretch, the fixed plate 69 is driven to move to the side far away from the needle under the positioning of the guide head 68, and the push rod 67 is driven to move to the side far away from the needle, so that the suction action is completed; when the injection is performed, the compressed air (liquid) flows out from the air outlet 65, the right soft corrugated pipe 66 and the left soft corrugated pipe 71 shrink and shorten, the fixed plate 69 is driven to move towards the side close to the needle under the positioning of the guide head 68, and the push rod 67 is driven to move towards the side close to the needle, so that the injection is completed.

The rechargeable battery is arranged in the injection gun, and the rechargeable battery can be charged in a wired or wireless mode.

The invention mainly improves the hardware connection or the component structure, wherein the related control program, wireless charging technology, wireless communication interaction protocol and other software programs of the circuit board for working on each component are realized by adopting the prior art.

Example 8: suction and injection process for autologous fat

The suction and injection process of the autologous fat is further described based on the injection gun, the main control box and the infrared imaging mechanism provided by the invention.

As shown in fig. 23, each process is specifically described as follows:

1. exhaust action

(1) 6 Exhaust buttons are respectively corresponding to each plunger pump;

(2) When any one of the exhaust buttons is pressed down, the exhaust valve A on the corresponding pipeline is in a normally open state and is not electrified;

(3) The stepping motor controls the plunger pump to rotate positively to absorb liquid in the liquid storage tank, and at the moment, the exhaust valve B is in a closed state and is electrified;

(4) When the liquid is sucked into 20ml, the stepping motor controls the plunger pump to reversely drain liquid, and meanwhile, the exhaust valve B is powered off and is in a passage state;

(5) When 20ml of liquid is discharged, the stepping motor controls the plunger pump to rotate positively, and meanwhile, the exhaust valve B is electrified and is in a closed state;

(6) And (3) repeatedly running in this way, and stopping the whole system after the circulation running for T minutes, so as to finish the exhaust action.

2. Suction of fat

(1) The number of the fat sucking buttons is 6, and the fat sucking states are two modes of automatic sucking and inching sucking respectively correspond to each plunger pump;

(2) When any one of the fat sucking buttons is pressed, the exhaust valve A on the corresponding pipeline is in a power-on state, the valve is closed, and the fat sucking state of the injector is entered, at the moment, the exhaust valve B is not powered on and is in a normally-open state;

(3) The stepping motor controls the plunger pump to rotate positively to absorb fat in the body, at the moment, the exhaust valve A enters a power-on state, the valve is closed, the exhaust valve B is not powered on, and the valve is in a normally-open passage state;

(4) When the liquid is filled with 20ml, the stepping motor controls the plunger pump to reversely rotate to discharge the fat sucked into the injector into the fat liquid storage bag, in the state, the exhaust valve A enters a power-on state, the valve is closed, the exhaust valve B is powered off, and the exhaust valve B is in a passage state;

(5) When 20ml of discharged and pumped fat enters the fat liquid storage bag, the stepping motor controls the plunger pump to rotate forwards to enter a fat pumping state, at the moment, the exhaust valve A still enters a power-on state, the valve is closed, the exhaust valve B is powered off, and the exhaust valve B is in a passage state;

(6) The pressure (intensity of pressure) is displayed on the touch screen in real time in the whole process of sucking fat;

(7) And repeatedly running in this way, pressing a stop button after the circulation runs for N times, ending the fat suction, stopping the whole system, and completing the fat suction action.

3. Injection of fat

(1) The number of the fat injection buttons is 6, and the fat injection buttons correspond to each plunger pump respectively;

(2) The fat injection state is only one mode of injecting fat in a jog mode;

(3) The control keys for injecting fat are arranged on the handle of the injection gun, and the number of the keys is two, namely an injection key and a back-pumping key;

(4) When any one of the injection or fat back pumping buttons is pressed, the exhaust valve A on the corresponding pipeline is in a power-on state, the valve is closed, the fat injection state of the injection gun is entered, at the moment, the exhaust valve B is not powered on and is in a normally-open state;

(3) The stepping motor controls the plunger pump to reversely rotate, fat in the injector is injected into a patient, at the moment, the exhaust valve A enters a power-on state, the valve is closed, the exhaust valve B is not powered on, and the valve is in a normally-open passage state;

(4) After injection of 20ml of fat is completed, the back pumping button is turned on, the stepping motor controls the plunger pump to rotate forward, fat in an external liquid storage bag is sucked into the injector, in the state, the exhaust valve A enters a power-on state, the valve is closed, the exhaust valve B is powered off, and the exhaust valve B is in a passage state;

(5) When 20ml of fat is fully sucked, the needle head is separated from the fat liquid storage bag, the stepping motor controls the plunger pump to rotate reversely to enter a fat secondary injection state, at the moment, the exhaust valve A still enters a power-on state, the valve is closed, the exhaust valve B is powered off, and the exhaust valve B is in a passage state;

(6) In the whole fat injection process, the pressure (pressure intensity) is displayed on the touch screen in real time;

(7) And (3) repeatedly running in the way, after the N cycles are circularly running, pulling out the injector, ending the fat injection, stopping the whole system, and completing the fat injection action.

4. Normal saline (inflation) injection

(1) The number of the physiological saline (expansion liquid) injection buttons is only 1, and the button corresponds to one plunger pump;

(2) The normal saline (inflation) injection state is only one mode of inching injection;

(3) The control keys for injecting physiological saline (expansion liquid) are arranged on the handle of the injector, and the number of the keys is two, namely an injection key and a back pumping key;

(4) When an injection or back pumping button is pressed, the exhaust valve A on the corresponding pipeline is in a power-on state, the valve is closed, and the exhaust valve B is in a normal open state when the exhaust valve A is not powered on and enters the physiological saline (expansion liquid) injection state of the injector;

(3) When the injection button is pressed down, the stepping motor controls the plunger pump to rotate reversely, physiological saline (expansion liquid) in the injector is injected into a patient, at the moment, the exhaust valve A enters a power-on state, the valve is closed, the exhaust valve B is not powered on, and the valve is in a normally-open passage state; when the back pumping button is pressed, the stepping motor controls the plunger pump to rotate positively, external normal saline (expansion liquid) is input into the injector, at the moment, the exhaust valve A enters a power-on state, the valve is closed, the exhaust valve B is not powered on, and the valve is in a normally-open passage state;

(4) When injection of 20ml of physiological saline (expansion liquid) is completed, the back pumping button is turned on, the stepping motor controls the plunger pump to rotate forward, external physiological saline (expansion liquid) is sucked into the injector, in this state, the exhaust valve A enters a power-on state, the valve is closed, the exhaust valve B is powered off, and the exhaust valve B is in a passage state;

(5) When 20ml of physiological saline (expansion liquid) is fully sucked, the needle head is separated from the body, the stepping motor controls the plunger pump to rotate reversely and enter a second injection state of the physiological saline (expansion liquid), at the moment, the exhaust valve A still enters a power-on state, the valve is closed, the exhaust valve B is powered off, and the valve is in a passage state;

(6) In the whole process of injecting physiological saline (expansion liquid), the pressure (pressure intensity) is displayed on the touch screen in real time;

(7) And repeatedly running in this way, after the N cycles are circularly running, pulling out the injector, ending the injection of the physiological saline (the expansion liquid), stopping the whole system, and completing the action of injecting the physiological saline (the expansion liquid).

5. Parameter setting

(1) Exhaust state parameter setting: the rotating speed of each motor is 80-90% of the rated rotating speed of the motor, is a fixed value and is not set; exhaust time: the exhaust time of each plunger pump is a fixed value, no setting is performed, and when the primary exhaust is not completed, the secondary exhaust operation is performed;

(2) Normal saline (inflation) injection parameter setting: the rotating speed of each plunger pump motor is set to be in three gears of high, medium and low, and is set to be in a low gear by default;

(3) Aspiration fat parameter settings: the rotating speed of each plunger pump motor is set to be in three gears of high, medium and low, and is set to be in a low gear by default;

(4) Injection fat parameter settings: the rotating speed of each plunger pump motor is set to be in three gears of high, medium and low, and is set to be in a low gear by default;

6. Safety circuit arrangement

(1) When normal saline (inflation) is injected, fat is sucked and fat is injected, if the pressure is continuously increased to reach a certain pressure or exceeds a certain time, the whole circuit operation is immediately stopped.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (7)

1. The system for sucking, purifying, accurately injecting and safely monitoring the autologous fat is characterized by comprising an injection gun and an infrared imaging mechanism, wherein the injection gun comprises a needle cylinder and a driving mechanism for driving the needle cylinder to suck or inject, and a needle is connected to the needle cylinder;

The infrared imaging mechanism comprises an infrared thermal imaging camera, and the infrared thermal imaging camera is focused on the part of the needle cylinder for suction or injection and is used for collecting subcutaneous tissue distribution information of the part; the infrared thermal imaging camera is connected with a display, and the display is used for displaying subcutaneous tissue distribution information acquired by the infrared thermal imaging camera, wherein the subcutaneous tissue distribution information comprises subcutaneous blood vessels and nerves, and the flow direction and track of injected autologous fat and other beauty biological materials under the skin;

The injection gun is driven by an automatic screw rod, and the driving mechanism is a direct driving mechanism; the syringe comprises an injection tube, a plug rod extending outwards from the interior of the injection tube and a top plate connected to the plug rod; the direct driving mechanism comprises a motor and a screw rod, an output shaft of the motor is connected with the screw rod, the screw rod and the plug rod are arranged side by side, the top plate is connected with a screw groove of the screw rod in a matched mode, and the screw rod drives the plug rod to conduct linear motion along with rotation of the motor; the automatic screw rod driving injection gun further comprises a shell, a radially extending barrel edge is arranged at the connection position of the injection tube and the shell, a groove for embedding the barrel edge is formed in the shell, a spring pressing plate is connected to one side of the groove, and the barrel edge is pressed against the shell under the action of elasticity;

or the injection gun is an automatic roller driving injection gun, and the driving mechanism is a direct driving mechanism; the syringe comprises an injection tube and a push rod extending outwards from the interior of the injection tube; the direct driving mechanism comprises a driving guide wheel and a pressing wheel, the driving guide wheel and the pressing wheel are clamped on two sides of the push rod, the pressing wheel is connected with a fixing frame, the pressing wheel is connected with a guide rod through the fixing frame, the fixing frame and the guide rod are sleeved with a swinging tension spring, two ends of the swinging tension spring are fixed and tensioned with the fixing frame and the guide rod, and an operation ball for adjusting the relative position of the pressing wheel and the push rod is connected to the fixing frame; the driving guide wheel is connected with a worm wheel, the worm wheel is connected with a motor through a worm, and the driving guide wheel rotates under the drive of the motor and drives the push rod to conduct linear motion.

2. The autologous fat extraction, purification, precision injection and safety monitoring system of claim 1, wherein a screw bar baffle and screw bar guide are connected to the housing, the screw bar being disposed between the screw bar baffle and screw bar guide.

3. The autologous fat extraction, purification, precision injection and safety monitoring system of claim 2, wherein a control button is mounted on the housing, the control button being connected to the motor for controlling the motor to rotate forward or reverse.

4. The autologous fat suction, purification, precision injection and safety monitoring system of claim 1, further comprising a master control box, wherein the master control box comprises a hydraulic mechanism or a pneumatic mechanism, the hydraulic mechanism or the pneumatic mechanism is connected with the driving mechanism, and the hydraulic mechanism or the pneumatic mechanism is matched with the driving mechanism to drive a needle cylinder to suck or inject.

5. The autologous fat extraction, purification, precision injection and safety monitoring system of claim 4, wherein the injection gun is a dual-cylinder gas/liquid automatic injection gun and the drive mechanism is an auxiliary drive mechanism;

The needle cylinder comprises an injection tube and a push rod extending outwards from the inside of the injection tube, and a double-tube pushing rod is connected to the part of the push rod extending out of the injection tube; the auxiliary driving mechanism comprises an inlet pipe and an outlet pipe which are connected with a hydraulic mechanism or a pneumatic mechanism of the main control box, gas or liquid is circularly exchanged between the inlet pipe and the outlet pipe and between the main control box, the liquid or gas in the inlet pipe and the outlet pipe acts on the double-pipe pushing rod, and the double-pipe pushing rod drives the pushing rod to conduct linear motion under the action of the gas or the liquid.

6. The autologous fat extraction, purification, precision injection and safety monitoring system of claim 4, wherein the injection gun is an automatic hydraulic single cylinder injection gun further comprising an external set, the drive mechanism being an auxiliary drive mechanism;

the needle cylinder comprises an injection tube and a sealing plug which is matched with the inner diameter of the injection tube, and one end of the sealing plug is connected with a thimble; the auxiliary driving mechanism comprises a liquid inlet and outlet pipe and an exhaust hole which are arranged on the outer sleeve member, one end of the liquid inlet and outlet pipe is connected with a hydraulic mechanism of the main control box, the other end of the liquid inlet and outlet pipe extends into the needle cylinder and corresponds to the thimble in position, and the hydraulic mechanism injects or sucks liquid into the injection pipe through the liquid inlet and outlet pipe so as to drive the sealing plug to perform linear motion; the exhaust hole is communicated with the outside and the inside of the injection tube in one way.

7. The autologous fat extraction, purification, precision injection and safety monitoring system of claim 4, wherein the injection gun is an automatic soft double bellows gas/liquid injection gun, the automatic soft double bellows gas/liquid injection gun further comprising a housing, the drive mechanism being an auxiliary drive mechanism;

The needle cylinder comprises an injection tube and a push rod extending outwards from the inside of the injection tube, and a fixing plate is connected to the part of the push rod extending out of the injection tube; the auxiliary driving mechanism comprises two soft corrugated pipes which are arranged side by side, the soft corrugated pipes are arranged side by side with the injection pipes, one end of each soft corrugated pipe is connected with a hydraulic mechanism or a pneumatic mechanism of the main control box, the other end of each soft corrugated pipe is connected with a guide head, each guide head is connected with the corresponding side of the fixed plate, the hydraulic mechanism or the pneumatic mechanism of the main control box injects or sucks liquid or gas into the soft corrugated pipes, and the soft corrugated pipes drive the push rods to conduct linear motion under the action of the liquid or the gas.