CN114850707A - Closed medical cutting system - Google Patents

Abstract

The invention discloses a closed medical cutting system, which comprises a box body, a laser cutting component, a control component for controlling the cutting trajectory of the laser cutting component, a sterilizing component and a power supply structure. A placing table, a smoke purification component, and a cooling component for medical materials, and the control component controls the smoke purification component, the cooling component, and the disinfection component; the disinfection component is connected with the control component; the placing table is located in the cutting area of the laser cutting component; The cutting component is connected; the power supply structure is connected with the laser cutting component, the control component, the smoke purification component and the cooling component respectively through the wires. When in use, the medical material is placed on the placing table, and then the cutting track of the laser cutting instrument is selected by adjusting the control assembly for cutting.

Description

A closed medical cutting system

technical field

The invention belongs to the technical field of medical devices, in particular to a closed medical cutting system.

Background technique

The cutting of biological tissues is often involved in the medical process. For example, when autologous bone/allogeneic bone is used to treat bone injury, the autologous bone/allogeneic bone needs to be cut. The required bone particles should preferably be uniform in size, and the existing cutting method It is difficult to achieve standard particle size cutting of autologous/allogeneic bone.

The most important thing is for some serious skin injuries, such as large-area burns, scalds, serious traffic accidents, skin infections and ulcers, skin tumors, etc.; most of them need to obtain autologous skin grafts/allogeneic skin grafts for transplantation. After cutting the skin flap, it is dispersed and spread on the damaged skin. At present, manual cutting or mechanical skin flap cutting using MEEK technology is often used. At present, many operations are still done by hand. The manual cutting method takes a long time and requires the cooperation of many people to complete; and the equipment involved in the use of MEEK technology is also a mechanical cutting process, and the operation process requires placing the skin on the cork. On the block, use instruments to cut. The cutting process requires training to complete. After the cutting is completed, the cut skin piece is attached with an adhesive layer and then set to the expansion skin piece, and then the expansion skin piece is expanded. The whole process also requires complex operations. In addition, it is very inconvenient to sterilize the entire instrument after one use, but it must be sterilized. In addition, the cost of the instrument is also very expensive. Although it saves some money compared with manual cutting, the overall operation is complicated and the disinfection is inconvenient. Problems.

Therefore, there is a need for an instrument that can quickly complete the cutting of the skin flap and can effectively expand after the cutting is completed, and needs to overcome the inconvenience of sterilization.

In view of the above problems, the present invention provides a closed medical cutting system.

SUMMARY OF THE INVENTION

In order to overcome the problems proposed in the background technology, the present invention adopts the following technical solutions:

A closed medical cutting system, comprising a box body, a laser cutting assembly, a control assembly for controlling the cutting trajectory of the laser cutting assembly, a sterilization assembly and a power supply structure, the inside of the box body includes a placing table for placing the medical material to be cut , smoke purification component, cooling component, the control component controls the smoke purification component, cooling component and disinfection component; the disinfection component is connected with the control component; the placing table is located in the cutting area of the laser cutting component; the cooling component is connected with the laser cutting component; the power supply The structure is respectively connected with the laser cutting component, the control component, the smoke purification component and the cooling component through wires. When in use, place the medical material on the placing table, and then select the cutting trajectory of the laser cutting instrument by adjusting the control component for cutting. During the cutting process, keep the smoke purification component and the cooling component working at the same time. The cooling component cools the laser cutting component, and the smoke The purification component extracts the smoke generated during the laser cutting process to prevent the smoke from falling on the medical materials and causing pollution; after one or more uses, open the disinfection component to complete the disinfection operation inside the box to ensure the normal operation of the laser cutting component during use ; Because it is a non-contact cutting process, it can effectively avoid contamination of medical materials during the cutting process.

Further, the inside of the box body includes a cutting work bin capable of providing a working space for the laser cutting assembly; the laser cutting assembly is located in the cutting work bin, the smoke purification assembly is communicated with the cutting work bin, and the smoke purification assembly is extracted from the cutting work bin of smoke. The smoke purification component extracts the smoke generated during the cutting process, keeps a clean space in the cutting working chamber, and can purify the smoke to prevent air pollution.

Further, except that the smoke purification assembly communicates with the cutting chamber, other chamber walls of the cutting chamber can be closed.

Further, an openable and closable door with an observation window is arranged on one side of the cutting working chamber, and the material of the observation window is any light-transmitting material that can observe the situation in the working chamber and can prevent the laser from burning the eyes.

Further, the laser cutting assembly is arranged on the upper part of the cutting work bin, and the placing table is set on the bottom of the cutting work bin;

Further, the bottom of the placing table is detachably connected to the bottom of the cutting working chamber, and the upper end surface of the placing table includes an expansion slide for expanding the medical material. The medical material is placed on the expansion slide in a fully expanded state and then cut.

Further, the expansion slide includes a folded expansion grid, the folding trace of the expansion grid matches the cutting track, and the expansion slide is composed of the expansion grid. The cut medical material is a small lattice tissue conforming to the shape and size of the expanded lattice, and the small lattice tissue is then prepared for transplantation.

Further, the laser cutting assembly includes a cutting head, a laser generator and a fixing frame, one end of the fixing frame is movably connected with the cutting head, and the other end is fixedly connected with the laser generator; the interior of the fixing frame is hollow, the laser generator emits light beams, so The light beam is conducted to the cutting head through the interior of the holder.

Further, the control assembly includes a controller, the controller includes a preset cutting trajectory, and the controller controls the laser cutting assembly to cut the medical material along the cutting trajectory.

Preferably, the cutting trajectory of the laser cutting instrument controlled by the controller can be any cutting trajectory; wherein the preferred cutting trajectory is a cutting trajectory in a linear direction, including a plurality of parallel straight cutting trajectories in the first direction, and a plurality of cutting trajectories in the second direction. Parallel line cutting track; the first direction is not parallel to the second direction, and finally the skin is cut into a plurality of square or parallelogram cells; or, the cutting track includes a parallel circular cutting track, and a parallel circular cutting track Radiant lines; eventually cut the skin into small arced pieces.

Preferably, the laser cutting apparatus includes a laser generator arranged in the box, the laser generator is connected to the cutting head; the laser generator is connected to the cooling apparatus to dissipate heat.

Preferably, the laser generator is any generator that can complete the cutting of the skin; it is preferably a carbon dioxide laser generator, and the wavelength range is 9.3um-10.6um; the power is 5mW-50W.

Preferably, the cutting head includes a cutting scanning galvanometer facing the placing table, and laser cutting in different directions is realized by the deflection of the scanning galvanometer.

Preferably, the cutting of the scanning galvanometer includes a galvanometer X and a scanning mirror X that control the cutting in the X direction; Various shapes of cutting can be achieved by setting the scanning galvanometer in two directions.

Alternatively, a bidirectional stepper motor for realizing the movement of the X-axis and Y-axis of the cutting head, and a corresponding track are provided, and the cutting head is arranged on the moving block of the track corresponding to the stepper motor of the X-axis or Y-axis.

Further, the laser cutting assembly further includes a temperature sensor, the temperature sensor is connected to the control instrument and displays the temperature on the display structure, and when the temperature of the laser cutting assembly exceeds a set threshold, an alarm is issued. It plays a role in protecting the laser cutting components and avoiding high temperature overload.

Further, the smoke purification assembly includes a motor, a wind wheel, a smoke circulation pipe and at least one filter structure, the motor drives the wind wheel to rotate, one end of the smoke circulation pipe is connected to the cutting work bin, and the other end is connected to the atmosphere, and the filter structure is located between the smoke circulation pipe and the air. Between the cutting work chambers; the smoke in the cutting work chamber is sucked out and flows through the filter structure, and then enters the smoke circulation pipe. The smoke drawn from the cutting working chamber is filtered by the filter structure, and the purified smoke is discharged into the atmosphere to reduce the pollution to the atmosphere.

Preferably, a filter element for the second filtration is arranged inside the smoke flow pipe, and the filter element is a filter membrane.

Further, the cooling component is a laser cooling water tank, and the laser cooling water tank is connected with the laser cutting component. Preferably, the laser cooling water tank is configured as a trapezoidal box body, and cooling grooves are provided on the left and right sides of the laser cooling water tank.

In another embodiment, the cooling component is an air-cooled chassis, and the air-cooled chassis is connected to the laser cutting component.

Further, the disinfection component is an ultraviolet lamp, the ultraviolet lamp is located inside the cutting working chamber, the ultraviolet lamp is connected with a controller through a wire, and the controller controls the ultraviolet lamp to be turned on and off. After the cutting work is completed, turn on the UV lamp to sterilize the cutting work bin to reduce the growth of microorganisms such as bacteria and viruses.

Further, the box body includes a display screen and a function panel, and the display screen and the function panel are respectively connected with the power supply structure through wires; the controller is connected with the display screen and the function panel for data; the user sends an instruction to the controller through the operation function panel, and the controller The instructions are received and executed.

Further, the bottom of the box body includes a moving component. The setting of the mobile component is convenient for moving the position of the box for the convenience of the user.

Further, the moving component is a universal wheel, and the universal wheel includes a braking structure.

Further, the medical material is a biological tissue that needs to be cut, such as: autologous bone, autograft skin graft, allogeneic bone, and allograft skin graft.

The beneficial effects of the present invention are as follows: the medical material is placed in the cutting working chamber for cutting, which overcomes the current problem of exposing the medical material during the cutting process, and the smoke generated after cutting is purified by the smoke purification component and then discharged into the atmosphere. Reduced air pollution. The technical solution can be used for the cutting of biological tissues, such as the cutting of human, animal and plant tissue.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the overall front structure schematic diagram of the present invention;

Fig. 3 is the overall sectional view of the present invention;

4 is a cross-sectional view of the first space of the present invention;

Fig. 5 is a partial enlarged view of the box of the present invention;

Fig. 6 is the internal schematic diagram of the first space of the present invention;

7 is a schematic structural diagram of the present invention provided with a filter structure and a filter membrane;

FIG. 8 is a schematic structural diagram of a cutting work bin provided with a cover plate according to the present invention;

9 is a rear cross-sectional view of the box of the present invention;

10 is a cross-sectional view of the second space of the present invention;

11 is a front view of the laser cooling water tank of the present invention;

12 is a perspective view of the laser cooling water tank of the present invention;

In the figure, 1, box body; 11, display screen; 12, function panel; 13, universal wheel; 14, cutting work bin; 141, cover plate; 15, door body one; 16, first space; 17, the first 2. Space; 21. Cutting head; 22. Laser generator; 23. Fixing frame; 24. Placing table; 25. Expansion slide; 31. Smoke flow pipe; ; 33, filter membrane; 4, laser cooling water tank; 41, cooling tank; 5, control components; 6, universal wheel; 7, disinfection components.

Detailed ways

Below in conjunction with the accompanying drawings, various specific embodiments of the present invention will be described in detail. The terms “upper, lower, left, right, front, rear” mentioned in the embodiments are for the convenience of describing one of the The relationship of an element or feature to another element or feature(s). These spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be turned in different orientations (rotated 90 degrees or otherwise) and the spatially relative terms used herein are to be interpreted in the same way.

FIG. 1 is a schematic diagram of the overall structure of this embodiment, and FIG. 2 is a schematic diagram of the front structure of this embodiment. This specific embodiment provides a closed medical cutting system, a box body 1, a laser cutting assembly, and a control laser cutting assembly cutting track The control assembly 5 and the power supply structure, the inside of the box body 1 includes a placement table 24 for placing the medical material to be cut, a smoke purification assembly, a cooling assembly and a disinfection assembly 7, and the control assembly 5 controls the smoke purification assembly, the cooling assembly and the The sterilizing assembly 7; the placing table 24 is located directly below the laser cutting assembly; the cooling assembly is connected to the laser cutting assembly; . When in use, the medical material is placed on the placing table 24, and then the cutting trajectory of the laser cutting instrument is selected by adjusting the control component 5 for cutting. During the cutting process, the smoke purification component and the cooling component are kept working at the same time, and the cooling component cools the laser cutting component. , the smoke purification component extracts the smoke generated during the laser cutting process to prevent the smoke from falling on the medical materials and causing pollution; after one or more uses, open the disinfection component 7 to complete the disinfection operation on the inside of the box 1, and ensure the use process of the laser cutting component. normal operation in the cutting process; because it is a non-contact cutting process, it can effectively avoid the pollution of medical materials during the cutting process.

The box body 1 is a regular-shaped cavity box-like structure, preferably a rectangular box body 1, and the box body 1 is a regular-shaped cavity box, preferably a rectangular box, of course, the box body 1 can also be a square box or a cylindrical box. 3 is an overall cross-sectional view of this embodiment. As shown in the figure, the interior of the box body 1 is divided into a plurality of spaces, and the interior of the box body 1 includes a baffle plate 1, baffle plate 2, baffle plate 3 and baffle plate 4; The first plate is parallel to the ground, and the baffle plate 1 divides the interior of the box 1 into a first space 16 and a second space 17, the first space 16 is located above the baffle plate one, and the second space 17 is located below the baffle plate one; The second plate is perpendicular to the ground, the bottom of the baffle plate 2 is fixedly connected with the bottom of the box 1, the upper part of the baffle plate 2 is fixedly connected with the baffle plate 1, and the baffle plate 2 divides the second space 17 of the box body 1 into two parts; front and rear; The bottom of the baffle plate 3 is fixedly connected with baffle plate 1, and baffle plate 3 divides the first space 16 into left and right parts. 16 is evenly divided into left half and right half; baffle 4 is a horizontal "L"-shaped plate, one side of baffle 4 is fixedly connected with baffle 3, the bottom of baffle 4 is fixedly connected with baffle 1, and baffle 4 is fixedly connected with baffle 1. Plate 1, baffle plate 3 and baffle plate 4 constitute a cutting work bin 14 with an opening facing forward. In this embodiment, the first space 16 includes a door body 15, the door body 1 15 is slidably connected to the box body 1, and the door body 1 15 includes a first state and a second state, wherein the first state is that the door body 1 15 is closed , the second state is that the door body one 15 is open, and when the door body one 15 is in the first state, the door body one 15, the baffle plate one, the baffle plate three and the baffle plate four constitute the cutting work bin 14 isolated from the outside world. In order to facilitate the observation of the internal working conditions of the cutting work bin 14, an openable and closable door with an observation window is provided on one side of the cutting work bin 14. The material of the observation window is any material that can observe the working conditions in the work bin and can prevent the laser from burning the eyes. translucent material.

As shown in FIG. 4 , the interior of the first space 16 includes a laser cutting component and a sterilizing component 7 , the laser cutting component is used for cutting medical materials, and the sterilizing component 7 is used for sterilizing the cutting work chamber 14 to reduce the cutting work chamber 14 bacteria inside to prevent contamination of medical materials. The medical material is autologous bone or autologous skin graft that needs to be cut.

The medical material in this embodiment is biological tissue, such as sheet-like skin tissue; the laser cutting assembly includes a laser generator 22, a cutting head 21 and a fixing frame 23, the fixing frame 23 is fixedly connected to the cutting head 21, and the laser generator 22 Connected with the cutting head 21, the laser cutting assembly is located in the cutting working chamber 14, and is located at the upper part of the cutting working chamber 14; the cutting head 21 includes a cutting scanning galvanometer facing the placing table 24, and the scanning galvanometer is deflected to achieve different directions. The laser cutting, cutting scanning galvanometer includes galvanometer X and scanning mirror X that control the X-direction cutting; galvanometer Y and scanning mirror Y that control the cutting in the direction perpendicular to the X direction. Various shapes of cutting can be achieved by setting the scanning galvanometer in two directions. Alternatively, a bidirectional stepper motor for realizing the X-axis and Y-axis movement of the cutting head 21 and a corresponding track are provided, and the cutting head 21 is arranged on a moving block corresponding to the track of the X-axis or Y-axis stepper motor. 5-6, the lower part of the laser cutting assembly is the placing table 24, the placing table 24 is a rectangular plate, the placing table 24 is placed on the baffle 1, the placing table 24 and the baffle 1 can be separated; The expansion slide 25 is used to expand the cut skin tissue, and the expansion slide 25 includes a rectangular array of square or rectangular expansion cells. The skin tissue is placed on the expansion grid, and cut into a rectangular array of block skins that match the shape of the expansion grid. After the cutting is completed, the block skins are removed for pre-transplantation treatment. In this embodiment, the pulsed carbon dioxide laser generated by the laser generator 22 regularly cuts the isolated skin sheet. The laser generated by the laser generator 22 is a molecular laser, and the main substance is carbon dioxide molecules, which directly act on the skin. On the isolated skin piece, the purpose of cutting into the desired regular size skin piece is achieved.

The disinfection assembly 7 in this embodiment is an ultraviolet lamp, and the ultraviolet lamp irradiates and disinfects the interior of the cutting working chamber 14 ; alternatively, the disinfection assembly 7 can also be an ozone disinfection assembly 7 .

In this embodiment, in order to eliminate the smoke generated by laser cutting, a smoke purification assembly is provided. The smoke purification assembly is arranged in the first space 16 , the baffle 3 separates the smoke purification assembly from the cutting working chamber 14 , and the smoke purification assembly includes a smoke circulation pipe 31 . and filter structure 332, the smoke circulation pipe 31 includes at least two openings, namely opening one 311 and opening two 312, opening one 311 faces the cutting work bin 14, opening two 312 faces the second space 17, and a pass is provided on the baffle plate three. The through hole communicates with the opening 311; the filter structure 332 is arranged between the opening 311 and the through hole, and the smoke in the cutting working chamber 14 flows out from the through hole, and then flows through the filter structure 332 into the smoke flow pipe 31, and is filtered. The latter gas enters the second space 17 from the second opening 312 and is finally discharged into the atmosphere. The filter structure 332 in this embodiment is an activated carbon layer, and smoke is absorbed by the activated carbon. As shown in FIG. 7 , in another embodiment, the interior of the smoke circulation pipe 31 further includes a filter membrane 33 for secondary filtration, and the filter membrane 33 performs a second filter on the gas flowing through the filter structure 332 to effectively prevent harmful gases into the air. As shown in FIG. 8 , in order to ensure the removal of harmful gases in the smoke to the greatest extent, the airtightness of the cutting working chamber 14 is further set. The upper ends of the third and fourth baffles are provided with cover plates 141. The plate 3 and the baffle plate 4 are closely connected. In this setting, the cutting working chamber 14 is a closed chamber, which effectively prevents the smoke generated after laser cutting from entering the air without passing through the smoke purification component.

9 is an overall rear cross-sectional view of this embodiment, and FIG. 10 is a cross-sectional view of the second space 17 of this embodiment. The interior of the second space 17 includes a control assembly 5, a cooling assembly and a laser generator 22, and the control assembly 5 controls the laser cutting The cutting track of the component, the cooling component cools the laser cutting component; the control component 5 includes a controller, and the controller and the laser cutting component are connected by wires; the fixing frame 23 of the laser cutting component is connected with the laser generator 22, and the fixing frame 23 includes a connecting pipe , the connecting tube is connected with the laser generator 22 , and the light waves emitted by the laser generator 22 are conducted to the cutting head 21 through the connecting tube. The working process of this embodiment is as follows: the controller sends a cutting instruction to the laser cutting assembly, the laser cutting assembly receives the instruction, the laser generator 22 emits laser light to the cutting head 21 , and the cutting head 21 cuts the skin tissue on the placement table 24 . More specifically, the cutting trajectory of the laser cutting instrument controlled by the controller can be any cutting trajectory; wherein the preferred cutting trajectory is a cutting trajectory in a linear direction, including a plurality of parallel straight cutting trajectories in the first direction, and multiple cutting trajectories in the second direction. A parallel straight line cutting track; the first direction is not parallel to the second direction, and finally the skin is cut into a plurality of square or parallelogram cells; or, the cutting track includes a parallel circular cutting track, and is perpendicular to the parallel circle radiating lines; eventually the skin is cut into small arced pieces. The laser cutting apparatus includes a laser generator 22 arranged in the box body 1, and the laser generator 22 is connected to the cutting head 21; the laser generator 22 is connected to the cooling apparatus to dissipate heat. The laser generator 22 is any generator that can complete skin cutting; the carbon dioxide laser generator 22 is preferred, and the wavelength range is 9.3um-10.6um; the power is 5mW-50W.

The cooling component of this embodiment adopts a laser cooling water tank, which is connected to the laser cutting component; in addition, in order to cool the gas in the second space 17, as shown in Figures 11-12, the laser cooling water tank is set as a trapezoidal box Body 1, cooling grooves 41 are provided on the left and right sides of the laser cooling water tank. The gas in the second space 17 starts to descend after contacting the top of the laser cooling water tank. The cooling groove 41 expands and distributes outward. It is still in the process of being cooled, thereby reducing the overall temperature inside the box 1 . In another embodiment, the cooling component may be an air-cooled chassis, and the air-cooled chassis is connected to the cooling component.

In order to facilitate user operation, this embodiment also has the following settings. As shown in Figures 1-3, the box 1 includes a display screen 11 and a function panel 12. Both the display screen 11 and the function panel 12 are connected to the controller, and the function panel 12 includes Laser preparation button, laser emission button, power-on key jack, the user sends instructions to the controller through the laser preparation button and the laser emission button of the operation function panel 12, the controller receives the instructions, the controller controls the laser cutting component to cut, and the laser generates The device 22 emits a laser to the cutting head 21, and the cutting head 21 cuts the skin tissue on the placement table 24, and the cut skin tissue is a block-shaped skin sheet that matches the shape and size of the expansion grid, and the placement table 24 is removed from the first space. 16 Take out, remove the block skin graft from the expansion slide 25, and prepare the block skin graft before transplantation. The controller controls the cooling component to cool the laser cutting component to ensure the normal operation of the laser cutting component. The user sends an instruction to turn on the ultraviolet lamp through the function panel 12, and the controller controls the ultraviolet lamp to be turned on for irradiation. The interior of the box body 1 includes a power supply structure, and the power supply structure is respectively connected with the controller, the display screen 11 , the function panel 12 , the laser cutting component, the cooling component, and the disinfection component 7 through wires. As shown in Figures 9-12, in order to move the box 1 according to the operation requirements, a universal wheel 613 is arranged at the bottom of the box 1. The universal wheel 613 includes a locking member, and the locking member includes a locking pedal, and the locking pedal Lock the universal wheel 613 downward. Door body 2 is set on the rear wall of box 1, and door body 2 is arranged on the opposite side of door body 1 15; once a fault occurs, door body 2 can be opened to inspect and maintain the laser generator 22, controller and cooling components.

Using method of the present invention:

1. Place the instrument in the pre-fixed position and confirm whether the universal wheel 613 is locked. The locking state is when the locking pedals of the four universal wheels 613 are all downward.

2. Turn on the power, insert the key and turn it to the right position. When the equipment is running normally, the light of the laser preparation button is always on, and the display screen 11 shows the boot interface. The display time is 3 seconds, and it will automatically enter the user interface.

3. Open the warehouse door of the laser cutting working warehouse 14, and put the processed isolated skin into a fixed position.

4. Close the door of the laser cutting work compartment 14, press the laser preparation button, and then press the laser emission button, the laser starts to emit, and the smoke purification component works at the same time. The isolated skin piece is cut into a plurality of micro skin pieces according to the path set by the system. At this time, the display screen 11 displays a visual picture of the cutting state. After the action is completed, the laser output will be automatically interrupted, the instrument will beep to indicate that the cutting is completed, and the smoke purification component will automatically stop working after a delay of 10 seconds.

5. Open the door of the laser cutting launch chamber, and take out the cut micro-isolated skin.

6. If you need to cut other isolated skins, please repeat the actions 3, 4, and 5.

7. If you don't want to cut other skins, please wait for 10 seconds (the smoke purifying air component needs to work for another 10 seconds), turn the key to the left, and then unplug it from the power switch and store it properly.

8. After the end, unplug the power plug.

The embodiments described in this application are only a part of the embodiments of the present invention, but not all of the embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. If there is no conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments of the present invention, those of ordinary skill in the art can All other embodiments obtained without creative work fall within the protection scope of the present invention.

Claims (10)

1. A closed medical cutting system comprising a box, a laser cutting assembly, a control assembly for controlling the cutting trajectory of the laser cutting assembly, a sterilizing assembly and a power supply structure, wherein the inside of the A placing table for cutting medical materials, a smoke purification component, a cooling component and a sterilizing component, the control component controls the smoke purification component, the cooling component and the sterilizing component; the sterilizing component is connected with the control component; the placing table is located directly below the laser cutting component; The component is connected with the laser cutting component; the power supply structure is respectively connected with the laser cutting component, the control component, the smoke purification component, the cooling component and the sterilizing component through wires. 2 . The closed medical cutting system according to claim 1 , wherein the inside of the box body includes a cutting work bin capable of providing a working space for the laser cutting assembly; the laser cutting assembly is located in the cutting work bin, and the The smoke purification component is communicated with the cutting working chamber, and the smoke purification component extracts the smoke in the cutting working chamber. 3 . The closed medical cutting system according to claim 2 , wherein the laser cutting assembly is arranged on the upper part of the cutting working chamber, and the placing table is arranged at the bottom of the cutting working chamber; the bottom of the placing table is connected to the cutting The bottom of the working chamber is detachably connected, and the upper end surface of the placing table includes an expansion slide for expanding medical materials. 4 . The closed medical cutting system according to claim 3 , wherein the expansion slides comprise expansion grids, the distribution of the expansion grids matches the cutting trajectory, and the expansion slides are composed of expansion grids. 5 . 5. The closed medical cutting system according to claim 4, wherein the laser cutting assembly comprises a cutting head, a laser generator and a fixing frame, one end of the fixing frame is movably connected with the cutting head, and the other end is connected with the laser The inside of the fixed frame is hollow, and the laser generator emits a light beam, and the light beam is transmitted to the cutting head through the inside of the fixed frame; Preferably, the cutting head includes a cutting scanning galvanometer facing the placing table, and laser cutting in different directions is realized by the deflection of the scanning galvanometer; Preferably, the cutting of the scanning galvanometer includes a galvanometer X and a scanning mirror X that control the cutting in the X direction; 6 . The closed medical cutting system according to claim 5 , wherein the control assembly comprises a controller, the controller comprises a preset cutting trajectory, and the controller controls the laser cutting assembly to cut the medical treatment along the cutting trajectory. 7 . Material; Preferably, the cutting trajectory of the laser cutting instrument controlled by the controller can be any cutting trajectory; wherein preferably, the cutting trajectory is a cutting trajectory in a linear direction, including a plurality of cutting trajectories of parallel straight lines in the first direction, and a plurality of cutting trajectories in the second direction. A parallel straight line cutting track; the first direction is not parallel to the second direction, and finally the skin is cut into a plurality of square or parallelogram cells; or, the cutting track includes a parallel circular cutting track, and is perpendicular to the parallel circle radiating lines; eventually the skin is cut into small arced pieces. 7. The closed medical cutting system according to claim 5, wherein the smoke purification assembly comprises a motor, a wind wheel, a smoke circulation pipe and at least one filter structure, the motor drives the wind wheel to rotate, and one end of the smoke circulation pipe It is connected to the cutting work chamber, and the other end is connected to the atmosphere, and the filter structure is located between the smoke circulation pipe and the cutting work chamber; the smoke in the cutting work chamber is sucked out and flows through the filter structure, and then enters the smoke circulation pipe; Preferably, a filter element for the second filtration is arranged inside the smoke flow pipe, and the filter element is a filter membrane. 8. The closed medical cutting system according to any one of claims 1-7, wherein the cooling component is a laser cooling water tank, and the laser cooling water tank is connected to the laser cutting component; Preferably, the laser cooling water tank is arranged as a trapezoidal box body, and cooling grooves are arranged on the left and right sides of the laser cooling water tank; Alternatively, the cooling component is an air-cooled chassis, and the air-cooled chassis is connected to the laser cutting component. 9 . The closed medical cutting system according to claim 8 , wherein the sterilizing component is an ultraviolet lamp, the ultraviolet lamp is located inside the cutting working chamber, and the ultraviolet lamp is connected to a controller through a wire, and the controller controls 9 . UV lamps turn on and off. 10. The closed medical cutting system according to claim 8, wherein the box body comprises a display screen and a function panel, and the display screen and the function panel are respectively connected to the power supply structure through wires; the controller is connected to the display screen and the function panel. Panel data connection; the user sends an instruction to the controller through the operation function panel, and the controller receives the instruction and executes it; Preferably, the bottom of the box includes moving components.

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