CN112971865A

CN112971865A - Portable biopsy device

Info

Publication number: CN112971865A
Application number: CN202110187734.5A
Authority: CN
Inventors: 王恒和; 笪应国; 张双利; 程敏
Original assignee: Jiangsu Baining Yingchuang Medical Technology Co ltd
Current assignee: Jiangsu Baining Yingchuang Medical Technology Co ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-06-18

Abstract

A portable biopsy device is characterized in that: it comprises: A, a main body part, the main body part includes a main control board, a rechargeable battery or a detachable replacement battery, an external power interface, a matching power adapter, more than one function button, at least one drive motor, vacuum pump, air pressure monitoring and control module, and a reduction gear or gear set driven by the motor, the vacuum pump is equipped with an air inlet and an air outlet; B, the cutter head part, including the inner cutter tube and the outer cutter tube Double-layer knife tube, gear transfer device and sample collector. The invention realizes the portability of the mammary gland biopsy system, and is convenient for medical staff to move and operate the equipment.

Description

Portable biopsy device

Technical Field

The invention relates to a medical instrument, in particular to a breast biopsy and rotary cutting instrument, and specifically relates to a portable biopsy device.

Background

The rotary cutter for mammary gland is a system for puncture biopsy and rotary cutting of mammary gland under the guidance of ultrasonic wave, and can be used for carrying out minimally invasive biopsy or rotary cutting operation on breast lesion tissues under the guidance of ultrasonic wave.

The existing biopsy tissue examination device mainly has 2 forms, one is breast biopsy operation equipment such as a mammotome, and the breast biopsy operation equipment needs to clamp each rotary cut sample in the operation process, so that a doctor can conveniently obtain the sample to observe at any time, and can take further action according to the examination result of the sample; the second is a breast rotary-cut knife surgical device such as bade, which can realize the function of cutting and sampling for a plurality of times by one puncture, a doctor can replace a collector to continue surgery after the collection box becomes full, the above 2 types of machines all need larger host and whole machine volume, and are inconvenient to move, in addition, an Elite portable machine such as a mammotome easily causes too much blood water in the collector under the condition of large sampling quantity, and is easily sucked into the host by a vacuum pump of the host, so that the risk of machine damage is caused.

Disclosure of Invention

The invention aims to design a portable biopsy device which has small volume, collects blood and can not flow back to enter a vacuum pump, aiming at the problems that the existing mammary gland rotary cutter device has large volume, too much blood in a collector and is easy to be sucked into a main machine by the vacuum pump of the main machine to cause machine damage.

The technical scheme of the invention is as follows:

a portable biopsy device, characterized by: it includes:

A. the main body part comprises a main control panel, the main control panel is communicated with other functional parts in a wireless mode, a rechargeable battery or a detachable replaceable battery, an external power supply interface, a matched power supply adapter, more than 1 functional key, at least one driving motor, a vacuum pump, an air pressure monitoring control module and a reduction gear or a gear set driven by the motor are arranged, and the vacuum pump is matched with an air inlet and an air outlet;

B. the cutter head part comprises a double-layer cutter pipe consisting of an inner cutter pipe and an outer cutter pipe and a gear transmission device, the outer cutter pipe is fixed on the cutter head part structure, the inner cutter pipe is linked with the gear transmission device, and an air inlet and an air outlet of the cutter head part correspond to an air outlet and an air inlet of the main body part vacuum pump; the knife head part air outlet corresponds to the main body part air inlet, the knife head part air inlet corresponds to the main body part air outlet, the sample collector is arranged, the sample collecting box can be drawn out from the rear part of the sample collector, the collecting box is provided with a net structure for filtering samples with blood, the detachable part is arranged at the rear part of the collecting box, when a marker or a medicine needs to be added to the knife edge part, the detachable part at the rear part of the collecting box can be detached, and the marker or the medicine can be conveyed through the rear part; the cutter head part is provided with another interface corresponding to the air inlet interface of the air outlet of the main body part, the other interface is connected with a hose to be connected to a waste liquid barrel, the waste liquid barrel is designed to prevent liquid leakage, and is additionally provided with a special exhaust port which can only exhaust gas, so that liquid cannot be discharged, and liquid drainage is required to be unscrewed from the upper cover of the waste liquid barrel every time

The main body part and the cutter head part are assembled into a whole through a buckle when in use, the main body part drives the inner cutter head corresponding to the cutter head part to move forwards or backwards and rotate automatically through a gear set or a reduction gear, the forward and the self-rotation can realize the action that the cutter head cuts human tissues, and the backward or the backward and the self-rotation can realize the action of retracting the cutter.

Negative pressure is formed in the collector by the operation of the vacuum pump of the main body part, the knife tube in the knife head part is communicated with the collector, the negative pressure can be transmitted to the lateral knife edge at the far end of the knife head through the inner knife tube, and the lateral knife edge can attract human tissues through the negative pressure to play roles of fixing and traction; the cutting action is realized by matching with the advancing and spinning motion of the inner knife tube, and the cut sample is sucked into the collector under the action of negative pressure.

The human tissue sucked into the collector falls onto the reticular tissue of the collecting box to realize the separation of the tissue and the blood and water.

The sample collecting box is connected with the waste liquid barrel through a guide pipe, and a one-way valve is arranged on the guide pipe.

The guide tube is also connected with a cavity, and one end of the guide tube extending into the cavity is provided with a one-way valve.

The invention has the beneficial effects that:

1. the invention realizes the portability of the breast biopsy system and is convenient for medical personnel to move and operate equipment.

2. The invention solves the problem that the liquid such as blood and the like is easy to be discharged into the equipment in the existing portable equipment.

3. The invention can realize the communication function with the mobile equipment such as an external mobile phone or PAD and the like, and can control the functions such as biopsy system setting and configuration or code updating and the like through the mobile equipment such as the external mobile phone or PAD and the like.

Drawings

FIG. 1 is a schematic diagram of the present invention.

FIG. 2 is a second schematic structural diagram of the present invention.

Fig. 3 is a third schematic structural diagram of the present invention.

In the figure: 100 is a main body part, 101 is a key combination at least comprising a function key, 102 is a rechargeable battery or a detachable rechargeable battery or a battery pack, 103 is an air pressure monitoring control module, 104 is an external power supply interface, 105 is a main control panel, 106 is a driving motor, 107 is a gear 1, 108 is a gear 2, 109 is a vacuum pump, 110 is a vacuum pump air inlet, 111 is a vacuum pump air outlet, 112 is an external adapter cable, 123 is an external adapter, 200 is a knife head part, 201 is a knife tube (comprising an inner knife tube, an outer knife tube and a side opening at the front part of the knife head), 202 is a gear 3, 203 is a gear 4, 204 is an air inlet pipeline corresponding to the vacuum pump air outlet, 205 is a knife head part air outlet corresponding to the vacuum pump air inlet, 206 is a mesh leak hole of a collection box in the collector, 207 is the collector, 208 is a detachable part on the collection box, and 209 is a collection, 210 is a hose connected with 204 and communicated with waste liquid, 211 is a waste liquid barrel, 212 is a guide tube, 213 is a

cavity

213, and 214 is a one-way valve.

Detailed Description

The invention is further described below with reference to the figures and examples.

The first embodiment.

As shown in fig. 1.

A portable biopsy device consisting essentially of a body portion 100 and a blade portion 200, wherein:

the main body part 100 comprises a main control panel 105, the main control panel 105 is communicated with other functional parts (mobile phone or PAD) in a wireless mode, a rechargeable battery or a detachable replaceable battery 102, an external power interface 104, a matched power adapter 123, more than 1 functional key 101, at least one driving motor 106, a vacuum pump 109, an air pressure monitoring control module 103, and reduction gears or

gear sets

107 and 108 driven by the motors, and the vacuum pump 109 is matched with a vacuum pump air inlet 110 and a vacuum pump air outlet 111; the driving motor 106 is driven by the main control board 105, and reduction gears or

gear sets

107 and 108 are driven by the driving motor. The air pressure monitoring control module 103 and the vacuum pump 109 are also controlled by the main control board 105, and the main control board 105 is a conventional control circuit and software, and can be implemented by adopting the prior art. The driving motor 106, the vacuum pump 109, the air pressure monitoring control module 103 and the main control board 105 are all directly powered by rechargeable batteries or detachable replaceable batteries 102, or are powered by commercial power after being converted by an adapter 123.

The tool bit part 200 comprises a tool bit 201 and a sample collector 207, the tool bit 201 comprises an inner tool bit, an outer tool bit and a tool bit front side opening, the

gear transmission devices

202 and 203, the outer tool bit is fixed on the tool bit part 200, the inner tool bit is linked with the

gear transmission devices

202 and 203, and an air inlet 204 and an air outlet 205 of the tool bit part correspond to an air outlet 111 and an air inlet 110 of a vacuum pump 109 of the main body part 100; wherein the knife head part air outlet corresponds to the main body part air inlet, and the knife head part air inlet corresponds to the main body part air outlet. The sample collector 207 is provided with a sample collecting box 209 which can be drawn out at the back, the collecting box 209 is a belt net structure 206 and is used for filtering samples with bloody water, the collecting box 209 is provided with a detachable part 208 at the back, when a marker or a medicine needs to be added to the knife edge part, the marker or the medicine can be conveyed through the back by detaching the detachable part 208 at the back of the collecting box 209; the cutter head part 200 is provided with another interface corresponding to the air inlet interface of the air outlet of the main body part, the interface is connected with a hose 210 to be connected to a waste liquid barrel 211, the waste liquid barrel 211 is designed to prevent liquid leakage, and is provided with a special air outlet, the air outlet can only exhaust gas, liquid cannot be exhausted, and the liquid drainage body is required to be unscrewed to drain liquid at each time. When the main body part 100 and the cutter head part 200 are used, the main body part 100 and the cutter head part 200 can be assembled into a whole through a buckle, the inner cutter head corresponding to the cutter head part is driven by the main body part 100 through a gear set or a reduction gear to move forwards or backwards and rotate, the movement of cutting human tissues by the cutter head can be realized by the forward rotation and the forward rotation, and the movement of retracting can be realized by the backward movement or the backward rotation and the self rotation. Negative pressure is formed in the collector by the operation of the vacuum pump of the main body part, the knife tube in the knife head part is communicated with the collector, the negative pressure can be transmitted to the lateral knife edge at the far end of the knife head through the inner knife tube, and the lateral knife edge can attract human tissues through the negative pressure to play roles of fixing and traction; the cutting action is realized by matching with the advancing and spinning motion of the inner knife tube, and the cut sample is sucked into the collector under the action of negative pressure. The human tissue sucked into the collector falls onto the reticular tissue of the collecting box to realize the separation of the tissue and the blood and water.

The working process of the invention is as follows:

as shown in fig. 1, before use, the main body 100 and the tool bit 200 are assembled, after the machine is started, the battery 102 inside the main body 100 supplies power to the main board 105, the main board 105 controls the motor 106 to drive the main body gear in the gear set 300 (composed of

gears

107, 108, 202, 203) to drive the tool bit gear to move by pressing the button assembly 101, the main control board controls the vacuum pump 109 to draw gas in the collector through the gas inlet 110, the vacuum pump 109 exhausts the gas to the tool bit inlet pipe 204 through the gas outlet 111, then the gas is exhausted to the waste liquid collecting barrel 211 through the hose 210 through the gas exhaust pipe 204, the waste liquid collecting barrel has a liquid leakage prevention design, the liquid in the barrel does not flow out of the barrel after the barrel is poured, meanwhile, the barrel has a gas outlet, other materials pumped into the waste liquid barrel can be exhausted out of the barrel, the main board 105 monitors the pressure of the gas inlet of the vacuum, the mainboard 105 adjusts the motor speed of the vacuum pump according to the value of the air pressure sensor module 103, the pumping speed of the vacuum pump 109 is adjusted, the sample collector is communicated with the inner knife pipe, the negative pressure is transmitted to the knife groove with the lateral opening at the front part of the knife head through the communication, the human tissue is sucked into the knife groove after being close to the lateral knife groove, the inner knife groove moves forwards and rotates under the driving of the gear set 300, the purpose of rotary cutting the sample is achieved in the process of continuous propulsion, the sample in the inner knife groove is sucked into the collector under the vacuum negative pressure at the rear part after reaching the stopping point after moving to the farthest end, the sample falls into the collecting box 209, and the blood water carried by the sample after falling into the collecting box 209 leaks into the bottom of the collector, if the blood water in the collector is too much, the blood water is easily sucked by the vacuum pump 109 and discharged into the external waste.

Example two.

As shown in fig. 2.

The difference between this embodiment and the first embodiment is that a guiding tube 212 with a one-way valve 214 is added at the rear part of the collector 209, and during the operation of the main body part and the cutter head, the blood at the bottom of the collector 209 will flow into the waste liquid channel 211 intermittently along the guiding tube 212 through the one-way valve 214, so as to reduce the chance of blood being sucked by the vacuum pump.

Example three.

As shown in fig. 3.

The difference between this embodiment and the first embodiment is that a balloon-shaped cavity 213 is connected to the back of a guide tube 212 connected to the back of the collector 209, the guide tube 212 is introduced into the cavity 213, a one-way valve 214 is connected to the end of the guide tube 212, the blood flowing through the one-way valve 214 along the guide tube 212 is collected in the cavity 213, and the blood in the balloon-shaped cavity 213 flows into the waste liquid collecting barrel 211 under the action of gravity.

The parts not involved in the present invention are the same as or can be implemented using the prior art.

Claims

1. A portable biopsy device, characterized by: it includes:

B. the cutter head part comprises a double-layer cutter pipe consisting of an inner cutter pipe and an outer cutter pipe and a gear transmission device, the outer cutter pipe is fixed on the cutter head part structure, the inner cutter pipe is linked with the gear transmission device, and an air inlet and an air outlet of the cutter head part correspond to an air outlet and an air inlet of the main body part vacuum pump; the sample collector, the back of the sample collector can draw out the sample collecting box, the collecting box has a net structure, and is used for filtering samples with blood, the back of the collecting box is provided with a detachable part, when a marker or a medicine needs to be added to the knife edge part, the detachable part at the back of the collecting box can be detached, and the marker or the medicine can be conveyed through the back; the knife head part is provided with another interface corresponding to the air inlet interface of the air outlet of the main body part, the interface is connected with a hose to be connected to a waste liquid barrel, the waste liquid barrel is designed to prevent liquid leakage, and is provided with a special air outlet.

2. The portable biopsy apparatus of claim 1, wherein the main body and the blade part are assembled into a whole by a buckle when in use, the main body drives the inner blade corresponding to the blade part to move forward or backward and rotate by a gear set or a reduction gear, the forward + rotation can realize the action of the blade to cut human tissues, and the backward or backward + rotation can realize the action of the blade to retreat.

3. The portable biopsy apparatus of claim 1, wherein the vacuum pump of the main body portion is operable to generate a negative pressure inside the collector, the knife tube of the knife head portion is in communication with the collector, the negative pressure is transmitted to the lateral knife edge at the distal end of the knife head through the inner knife tube, and the lateral knife edge is operable to attract tissue by the negative pressure to perform the fixing and pulling functions; the cutting action is realized by matching with the advancing and spinning motion of the inner knife tube, and the cut sample is sucked into the collector under the action of negative pressure.

4. The portable biopsy apparatus defined in claim 3, wherein tissue of the body being drawn into the collection chamber falls onto the mesh tissue of the collection chamber to effect separation of the tissue from blood.

5. The portable biopsy apparatus of claim 1, wherein the sample collection well is connected to the waste reservoir via a guide tube, the guide tube having a one-way valve mounted thereon.

6. The portable biopsy apparatus of claim 5, wherein the guide tube further comprises a lumen, and wherein the end of the guide tube extending into the lumen is fitted with a one-way valve.