CN113796898A - Medical disposable biopsy needle for cardiopulmonary puncture positioning and use method thereof - Google Patents
Medical disposable biopsy needle for cardiopulmonary puncture positioning and use method thereof Download PDFInfo
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- CN113796898A CN113796898A CN202111103982.3A CN202111103982A CN113796898A CN 113796898 A CN113796898 A CN 113796898A CN 202111103982 A CN202111103982 A CN 202111103982A CN 113796898 A CN113796898 A CN 113796898A
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- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
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Abstract
The invention discloses a medical disposable biopsy needle for positioning by cardiopulmonary puncture and a using method thereof, and particularly relates to the technical field of medical appliances. According to the invention, by adopting the connecting seat, the connecting hole, the first piston cylinder, the second piston cylinder, the first piston plate, the second piston plate, the first moving rod, the second moving rod and the limiting plates, when the device is held for use, the finger controls the pressing plate to move, at the moment, gas in the second piston cylinder is transferred into the first piston cylinder, at the moment, the four limiting plates move close to each other, and when the device is used, the positioning between the connecting seat and the outer needle cylinder can be directly completed, so that the position of the connecting seat can be smoothly and rapidly adjusted, the insertion depth of the device can be accurately controlled by medical personnel, and the sampling process can be accurately and smoothly carried out.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a medical disposable biopsy needle for positioning by cardiopulmonary puncture and a using method thereof.
Background
A biopsy needle is a medical instrument used for sampling living tissues of pyramidal tumors, unknown tumors, and the like of various organs such as kidney, liver, lung, breast, thyroid, prostate, pancreas, testis, uterus, ovary, body surface, and the like, and sucking cells, and the like.
The biopsy needle is used by being directly held by medical care personnel in the using process, the hand of the medical care personnel is likely to be in direct contact with the biopsy needle, the risk of infection exists, the biopsy needle is likely to have the situation that human tissues are not cut off and pulled after sampling is completed, accidental injury is easily caused, or samples are affected, even the insertion depth of the biopsy needle cannot be accurately controlled due to insufficient experience of the medical care personnel, the sampling process is not accurate enough, even more injuries are caused to patients, and therefore the disposable biopsy needle for medical cardiopulmonary puncture positioning and the using method thereof are needed to solve the problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a medical disposable biopsy needle for cardiopulmonary puncture positioning and a using method thereof, and the invention aims to solve the technical problems that: the biopsy needle is used in the use in that medical personnel protect directly to hold mostly, medical personnel's hand is direct to contact with the biopsy needle probably appears, there is the risk of infection, the biopsy needle probably appears human tissue not cut the condition of dragging appearing after the sample is accomplished, cause unexpected injury easily, or the sample receives the influence, perhaps there is medical personnel's experience even and is not enough to lead to the depth of insertion of unable accurate control biopsy needle, lead to the sampling process accurate inadequately, cause the problem of more injury to the patient even.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a disposable biopsy needle of medical cardiopulmonary puncture location, includes the connecting seat, the front of connecting seat and the one end fixed connection at the back of connecting pipe, the connecting hole has been seted up in the front of connecting seat, connecting pipe and connecting hole inner wall sliding connection have an outer cylinder, the upper surface and the lower surface of connecting seat respectively with the opposite face fixed connection of two backing plates, the first hole of placing has all been seted up with the opposite face of connecting seat to the backing plate, the left and right sides face of connecting seat all is provided with the control ring, the second is all seted up with the opposite face of connecting seat to the control ring and places the hole.
The first downthehole wall of placing is provided with a piston cylinder, a piston cylinder is linked together through trachea and second piston cylinder, the downthehole wall is placed at the second in the setting of second piston cylinder, two the opposite face of a piston cylinder all is provided with first carriage release lever, two the opposite face of a piston cylinder all is provided with the second carriage release lever, two the second carriage release lever all is provided with the limiting plate with the one end that two first carriage release levers are close to mutually.
The limiting plate overlap joint is at the surface of outer cylinder, outer cylinder inner wall is provided with the needle body, the positive one end of needle body articulates there are two partition panels, two the opposite face overlap joint of partition panel, the one end at the needle body back and the positive fixed connection of control panel, the back one end of outer cylinder is linked together with the front of supporting seat, the outer surface overlap joint of supporting seat inner wall and needle body.
As a further scheme of the invention: the one end at the back of needle body and the positive fixed connection of control panel, the spacing groove has all been seted up to the left and right sides face of needle body, the surface sliding connection of spacing inslot wall and stopper, two the opposite face of stopper respectively with the left and right sides face fixed connection of needle body.
As a further scheme of the invention: the upper surface of supporting seat is provided with transparent observation board, the upper surface of needle body is provided with the second scale strip, the one end at the needle body back is provided with the control panel, the position of second scale strip is corresponding with the position of transparent observation board.
As a further scheme of the invention: the upper surface of outer cylinder is provided with first scale bar, two the back of the body face of control ring all is provided with the rubber pad.
As a further scheme of the invention: the upper surface of backing plate is provided with the aseptic cotton, two the partition panel has the same magnetism.
As a further scheme of the invention: the top end of the first moving rod is fixedly connected with the lower surface of the first piston plate, the outer surface of the first piston plate is in lap joint with the inner wall of the first piston cylinder, the upper surface of the first piston plate is fixedly connected with the bottom end of the elastic assembly, and the top end of the elastic assembly is fixedly connected with the upper surface of the inner wall of the first piston cylinder.
As a further scheme of the invention: the surface joint of second carriage release lever has the second piston board, the surface and the overlap joint of second piston section of thick bamboo inner wall of second piston board, two the one end that the second carriage release lever carried on the back mutually all is provided with the clamp plate, the clamp plate is located the second and places downtheholely.
A method for using a medical disposable biopsy needle for cardiopulmonary puncture positioning comprises the following steps:
s1, when the device needs to be used, the connecting seat is directly controlled to slide on the surface of the outer needle cylinder, when the outer needle cylinder slides to a proper position, fingers are directly put into the two control rings and extrude the two pressing plates to move close to each other, at the moment, the two second piston plates move close to each other and extrude gas in the second piston cylinder to the inner wall of the first piston cylinder, and at the moment, the four limiting plates are close to each other and attached to the surface of the outer needle cylinder;
s2, inserting the outer needle cylinder into the patient, pushing the needle body to move forward through the control board after the outer needle cylinder is inserted into the designated position, controlling the two partition boards to rotate away from each other by the repulsion force between the two partition boards after the partition boards are separated from the outer needle cylinder, and simultaneously pushing the needle body to be inserted into the position to be sampled;
s3, when part of human tissue enters the needle body, the mobile control board and the needle body move backwards, the two partition boards are extruded by the outer needle cylinder to be close to and contact with each other, the partition boards cut off the human tissue, and the device is taken out from the human body after sampling is completed.
The invention has the beneficial effects that:
1. according to the invention, the connecting seat, the connecting hole, the first piston cylinder, the second piston cylinder, the first piston plate, the second piston plate, the first moving rod, the second moving rod and the limiting plates are adopted, the sliding of the connecting seat on the surface of the outer needle cylinder is directly controlled according to the depth required by sampling, the pressing plate is controlled to move by fingers when the device is held for use, gas in the second piston cylinder is transferred into the first piston cylinder, the four limiting plates move close to each other, the positioning between the connecting seat and the outer needle cylinder can be directly completed while the device is used, the position of the connecting seat can be smoothly and rapidly adjusted, medical workers can accurately control the insertion depth of the device, and the sampling process can be accurately and smoothly carried out;
2. according to the invention, the outer needle cylinder, the needle body, the partition plates and the second scale bar are arranged, after the outer needle cylinder is inserted into a designated position in a human body, the needle body is directly controlled to move forwards, the two partition plates are far away from each other due to repulsion force and rotate, at the moment, the sharp position at the front end of the needle body is exposed, so that puncture sampling on human tissues can be realized, when the needle body is pulled backwards, the outer needle cylinder extrudes the two partition plates to move close to each other, the partition plates partition the tissues at the front end of the needle body, the whole puncture sampling process is smooth and stable, the human tissues are prevented from being pulled, and the whole sampling process is accurate and rapid;
3. according to the medical device, the base plate and the disinfection cotton are arranged, so that the resistance between the medical personnel and the connecting seat when the medical personnel use the medical device is increased by the base plate, the probability of hand slip is reduced, meanwhile, the hands can be disinfected in time by the disinfection cotton, the infection condition in the operation process of using the medical personnel device is avoided, and the safety performance of the medical personnel device in the use process is ideal.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic three-dimensional sectional structure of the connecting base of the present invention;
FIG. 3 is a schematic three-dimensional structure of the pressing plate of the present invention;
FIG. 4 is a schematic three-dimensional sectional view of the first piston cylinder according to the present invention;
FIG. 5 is a schematic perspective sectional view of a second piston cylinder according to the present invention;
FIG. 6 is a three-dimensional structural view of the support base of the present invention;
FIG. 7 is an enlarged view of part A of the present invention;
FIG. 8 is an enlarged view of part B of the present invention;
fig. 9 is a partial three-dimensional structural view of the needle body according to the present invention;
figure 10 is a schematic view of a three-dimensional exploded structure of the partition panel of the present invention;
in the figure: 1. a connecting seat; 2. a connecting pipe; 3. connecting holes; 4. an outer needle cylinder; 5. a first scale bar; 6. a needle body; 7. a partition panel; 8. a base plate; 9. sterilizing cotton; 10. a first placing hole; 11. a first piston cylinder; 12. an air tube; 13. a second piston cylinder; 14. a second movable bar; 15. pressing a plate; 16. a second placing hole; 17. a control loop; 18. a rubber pad; 19. a second piston plate; 20. a limiting plate; 21. a first piston plate; 22. a first movable bar; 23. an elastic component; 24. a supporting seat; 25. a limiting block; 26. a limiting groove; 27. a second scale bar; 28. a control panel; 29. a transparent viewing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-10, the invention provides a medical disposable biopsy needle for cardiopulmonary puncture positioning, comprising a connecting seat 1, wherein the front surface of the connecting seat 1 is fixedly connected with one end of the back surface of a connecting tube 2, the front surface of the connecting seat 1 is provided with a connecting hole 3, the inner walls of the connecting tube 2 and the connecting hole 3 are slidably connected with an outer needle cylinder 4, the upper surface and the lower surface of the connecting seat 1 are respectively and fixedly connected with the opposite surfaces of two backing plates 8, the opposite surfaces of the backing plates 8 and the connecting seat 1 are both provided with a first placing hole 10, the left side surface and the right side surface of the connecting seat 1 are both provided with control rings 17, and the opposite surfaces of the control rings 17 and the connecting seat 1 are both provided with a second placing hole 16.
The inner wall of the first placing hole 10 is provided with a first piston cylinder 11, the first piston cylinder 11 is communicated with a second piston cylinder 13 through an air pipe 12, the second piston cylinder 13 is arranged on the inner wall of the second placing hole 16, the opposite surfaces of the two first piston cylinders 11 are provided with first moving rods 22, the opposite surfaces of the two second piston cylinders 13 are provided with second moving rods 14, and one ends, close to the two first moving rods 22, of the two second moving rods 14 are provided with limiting plates 20.
Limiting plate 20 overlap joint is at the surface of outer needle section of thick bamboo 4, 4 inner walls of outer needle section of thick bamboo are provided with needle body 6, the positive one end of needle body 6 articulates there are two partition panels 7, through setting up partition panel 7, two partition panels 7 can realize the wall to human tissue when being close to the removal by the extrusion of outer needle section of thick bamboo 4, the taking out of tissue sample after the convenient sample, the opposite face overlap joint of two partition panels 7, the one end at the 6 backs of needle body and control panel 28's positive fixed connection, the back one end of outer needle section of thick bamboo 4 is linked together with the front of supporting seat 24, the supporting seat 24 inner wall is lapped with the surface of needle body 6.
As shown in fig. 1, fig. 6 and fig. 8, the one end at the back of needle body 6 and the positive fixed connection of control panel 28, spacing groove 26 has all been seted up to the left and right sides face of needle body 6, through setting up spacing groove 26 and stopper 25, stopper 25 slides and sets up in spacing groove 26, guarantee that needle body 6 back-and-forth movement in-process can not appear rotatoryly relative to outer syringe 4, conveniently observe second scale bar 27 in transparent observation board 29 department, the surface sliding connection of 26 inner walls of spacing groove and stopper 25, the opposite face of two stoppers 25 respectively with the left and right sides face fixed connection of needle body 6.
As shown in fig. 6 and 8, the upper surface of the supporting seat 24 is provided with a transparent observing plate 29, the upper surface of the needle body 6 is provided with a second scale strip 27, one end of the back surface of the needle body 6 is provided with a control plate 28, the position of the second scale strip 27 corresponds to the position of the transparent observing plate 29, and the medical staff can judge the distance that the needle body 6 pushes forward by setting the second scale strip 27.
As shown in fig. 1, the upper surface of the outer syringe 4 is provided with a first scale bar 5, the back surfaces of the two control rings 17 are provided with rubber pads 18, and the medical staff can conveniently judge the position of the connecting seat 1 on the surface of the outer syringe 4 and the depth of the outer syringe 4 inserted into the human body by setting the first scale bar 5.
As shown in fig. 1, 9 and 10, the upper surface of backing plate 8 is provided with aseptic cotton 9, through setting up backing plate 8 and aseptic cotton 9, backing plate 8 increase medical personnel when using and the connecting seat 1 between the resistance, reduce the smooth probability of hand appearing, can in time disinfect to the hand through aseptic cotton 9 simultaneously, avoid medical personnel to use the infectious case to appear in the operation process of this device, two partition panels 7 have the same magnetism.
As shown in fig. 3 and 4, the top end of the first moving rod 22 is fixedly connected to the lower surface of the first piston plate 21, the outer surface of the first piston plate 21 is overlapped with the inner wall of the first piston cylinder 11, the upper surface of the first piston plate 21 is fixedly connected to the bottom end of the elastic component 23, the top end of the elastic component 23 is fixedly connected to the upper surface of the inner wall of the first piston cylinder 11, by providing the first piston cylinder 11, the first piston plate 21 and the first moving rod 22, the upper and lower two limiting plates 20 can be controlled to move close to each other while the pressure in the first piston cylinder 11 is increased, the limiting plates 20 can be tightly attached to the surface of the outer cylinder 4, by providing the elastic component 23, after the hand is separated from the pressing plate 15, the elastic component 23 can control the first piston plate 21 to move away from the outer cylinder 4 by its own elastic force, and the four limiting plates 20 can be separated from the outer cylinder 4.
As shown in fig. 3 and 5, the outer surface of the second moving rod 14 is connected with a second piston plate 19 in a clamping manner, the outer surface of the second piston plate 19 is in lap joint with the inner wall of the second piston cylinder 13, pressing plates 15 are arranged at the opposite ends of the two second moving rods 14, the pressing plates 15 are located in the second placing holes 16, medical staff can press the surfaces of the pressing plates 15 by using fingers of the medical staff through the arrangement of the second moving rods 14, the pressing plates 15, the second piston plates 19 and the second piston cylinders 13, the pressing plates 15 on the left side and the right side and the limiting plates 20 are controlled to be close to each other, and meanwhile, the second piston cylinders 13 extrude gas in the second piston cylinders 13 into the first piston cylinders 11.
A method for using a medical disposable biopsy needle for cardiopulmonary puncture positioning comprises the following steps:
s1, when the device needs to be used, the connecting seat 1 is directly controlled to slide on the surface of the outer needle cylinder 4, when the outer needle cylinder 4 slides to a proper position, fingers are directly put into the two control rings 17 and extrude the two pressing plates 15 to move close to each other, at the moment, the two second piston plates 19 move close to each other and extrude the gas in the second piston cylinder 13 to the inner wall of the first piston cylinder 11, and at the moment, the four limiting plates 20 are close to each other and attached to the surface of the outer needle cylinder 4;
s2, the outer needle cylinder 4 can be inserted into the patient, when the outer needle cylinder 4 is inserted into the designated position, the control panel 28 pushes the needle body 6 to move forward, when the partition panel 7 is separated from the outer needle cylinder 4, the repulsive force between the two partition panels 7 controls the two partition panels 7 to move away from each other and rotate, and meanwhile, the needle body 6 is pushed to be inserted into the position to be sampled;
s3, part of human tissue enters the needle body 6, then the movable control plate 28 and the needle body 6 move backwards, the outer needle cylinder 4 extrudes the two partition plates 7 to be close to and contact with each other, the partition plates 7 cut off the human tissue, and the device is taken out from the human body after sampling is completed.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a disposable biopsy needle of medical cardiopulmonary puncture location, includes connecting seat (1), its characterized in that: the front face of the connecting seat (1) is fixedly connected with one end of the back face of the connecting tube (2), the front face of the connecting seat (1) is provided with a connecting hole (3), the inner walls of the connecting tube (2) and the connecting hole (3) are connected with an outer needle cylinder (4) in a sliding manner, the upper surface and the lower surface of the connecting seat (1) are respectively and fixedly connected with opposite faces of two backing plates (8), the opposite faces of the backing plates (8) and the connecting seat (1) are respectively provided with a first placing hole (10), the left side face and the right side face of the connecting seat (1) are respectively provided with a control ring (17), and the opposite faces of the control ring (17) and the connecting seat (1) are respectively provided with a second placing hole (16);
a first piston cylinder (11) is arranged on the inner wall of the first placing hole (10), the first piston cylinder (11) is communicated with a second piston cylinder (13) through an air pipe (12), the second piston cylinder (13) is arranged on the inner wall of a second placing hole (16), first moving rods (22) are arranged on the opposite surfaces of the two first piston cylinders (11), second moving rods (14) are arranged on the opposite surfaces of the two second piston cylinders (13), and limiting plates (20) are arranged at the ends, close to the two first moving rods (22), of the two second moving rods (14);
limiting plate (20) overlap joint is at the surface of outer cylinder (4), outer cylinder (4) inner wall is provided with needle body (6), the positive one end of needle body (6) articulates there are two partition panel (7), two the opposite face overlap joint of partition panel (7), the one end at the needle body (6) back and the positive fixed connection of control panel (28), the back one end of outer cylinder (4) is linked together with the front of supporting seat (24), the outer surface overlap joint of supporting seat (24) inner wall and needle body (6).
2. The medical disposable biopsy needle for cardiopulmonary puncture positioning according to claim 1, wherein: the one end at the back of needle body (6) and the positive fixed connection of control panel (28), spacing groove (26) have all been seted up to the left and right sides face of needle body (6), the surface sliding connection of spacing groove (26) inner wall and stopper (25), two the opposite face of stopper (25) respectively with the left and right sides face fixed connection of needle body (6).
3. The medical disposable biopsy needle for cardiopulmonary puncture positioning according to claim 1, wherein: the upper surface of supporting seat (24) is provided with transparent observation board (29), the upper surface of needle body (6) is provided with second scale strip (27), the one end at the needle body (6) back is provided with control panel (28), the position of second scale strip (27) is corresponding with the position of transparent observation board (29).
4. The medical disposable biopsy needle for cardiopulmonary puncture positioning according to claim 1, wherein: the upper surface of the outer needle cylinder (4) is provided with a first scale bar (5), and the back surfaces of the two control rings (17) are provided with rubber pads (18).
5. The medical disposable biopsy needle for cardiopulmonary puncture positioning according to claim 1, wherein: the upper surface of backing plate (8) is provided with aseptic cotton (9), two partition panel (7) have the same magnetism.
6. The medical disposable biopsy needle for cardiopulmonary puncture positioning according to claim 1, wherein: the top of first carriage release lever (22) and the lower fixed surface of first piston plate (21) are connected, the surface and the first piston barrel (11) inner wall overlap joint of first piston plate (21), the upper surface of first piston plate (21) and the bottom fixed connection of elastic component (23), the top of elastic component (23) and the upper surface fixed connection of first piston barrel (11) inner wall.
7. The medical disposable biopsy needle for cardiopulmonary puncture positioning according to claim 1, wherein: the surface joint of second carriage release lever (14) has second piston board (19), the surface and the overlap joint of second piston cylinder (13) inner wall of second piston board (19), two the one end that second carriage release lever (14) carried on the back mutually all is provided with clamp plate (15), clamp plate (15) are located the second and place hole (16).
8. A use method of a medical disposable biopsy needle for cardiopulmonary puncture positioning is characterized by comprising the following steps:
s1, when the device needs to be used, the connecting seat (1) is directly controlled to slide on the surface of the outer needle cylinder (4), when the outer needle cylinder (4) slides to a proper position, fingers are directly put into the two control rings (17) and extrude the two pressing plates (15) to move close to each other, at the moment, the two second piston plates (19) move close to each other and extrude gas in the second piston cylinder (13) to the inner wall of the first piston cylinder (11), and at the moment, the four limiting plates (20) are close to each other and are attached to the surface of the outer needle cylinder (4);
s2, the outer syringe (4) can be inserted into the patient, when the outer syringe (4) is inserted into the designated position, the needle body (6) is pushed to move forward through the control panel (28), when the partition panel (7) is separated from the outer syringe (4), the repulsive force between the two partition panels (7) controls the two partition panels (7) to move away from each other and rotate, and meanwhile, the needle body (6) is pushed to be inserted into the position to be sampled;
s3, part of human tissue enters the needle body (6) at the moment, then the movable control plate (28) and the needle body (6) move backwards, meanwhile, the outer needle cylinder (4) extrudes the two partition plates (7) to be close to and contact with each other, the partition plates (7) cut off the human tissue, and the device is taken out from the human body after sampling is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103982.3A CN113796898B (en) | 2021-09-18 | 2021-09-18 | Disposable biopsy needle for medical cardiopulmonary puncture positioning and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103982.3A CN113796898B (en) | 2021-09-18 | 2021-09-18 | Disposable biopsy needle for medical cardiopulmonary puncture positioning and use method thereof |
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| CN113796898A true CN113796898A (en) | 2021-12-17 |
| CN113796898B CN113796898B (en) | 2024-07-16 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5492130A (en) * | 1991-06-04 | 1996-02-20 | Chiou; Rei-Kwen | Biopsy device and method |
| WO2007028296A1 (en) * | 2005-09-09 | 2007-03-15 | Shandong Weigao Group Medical Polymer Co., Ltd | A safety syringe |
| CN209421992U (en) * | 2017-11-24 | 2019-09-24 | 林楠 | Puncture needle for biopsy sampling |
| CN110680409A (en) * | 2019-10-21 | 2020-01-14 | 韩慧 | Puncture sampler for medical oncology |
| WO2020146968A1 (en) * | 2019-01-14 | 2020-07-23 | 王沁 | Biopsy needle and puncture biopsy device |
| CN213430269U (en) * | 2020-08-02 | 2021-06-15 | 闫坤生 | Bone negative pressure biopsy device for oncology department |
-
2021
- 2021-09-18 CN CN202111103982.3A patent/CN113796898B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5492130A (en) * | 1991-06-04 | 1996-02-20 | Chiou; Rei-Kwen | Biopsy device and method |
| WO2007028296A1 (en) * | 2005-09-09 | 2007-03-15 | Shandong Weigao Group Medical Polymer Co., Ltd | A safety syringe |
| CN209421992U (en) * | 2017-11-24 | 2019-09-24 | 林楠 | Puncture needle for biopsy sampling |
| WO2020146968A1 (en) * | 2019-01-14 | 2020-07-23 | 王沁 | Biopsy needle and puncture biopsy device |
| CN110680409A (en) * | 2019-10-21 | 2020-01-14 | 韩慧 | Puncture sampler for medical oncology |
| CN213430269U (en) * | 2020-08-02 | 2021-06-15 | 闫坤生 | Bone negative pressure biopsy device for oncology department |
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|---|---|
| CN113796898B (en) | 2024-07-16 |
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