CN216797706U

CN216797706U - Novel semi-automatic biopsy device

Info

Publication number: CN216797706U
Application number: CN202122758416.8U
Authority: CN
Inventors: 古善智; 何俊; 李海旭; 李伟; 雷南林
Original assignee: Hunan Tuojie Medical Technology Co ltd
Current assignee: Hunan Tuojie Medical Technology Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-06-24
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a novel semi-automatic biopsy device, which belongs to the technical field of medical instruments and comprises a cover body, a base, a needle seat, a puncture needle, a sampling needle tube, a needle tube seat, a sliding seat and the like, wherein the cover body is provided with a window, and sampling length marks are arranged on two sides of the window; the below of window is provided with the sign board, and the sign board has set gradually direction arrow, direction arrow and has instructed the arrow combination and forbid arrow and instruct the arrow combination etc. and the needle file rearward movement can drive needle tube seat and sample needle tubing and make a fire backward, and the sign board can move thereupon and show corresponding information, suggestion operating personnel reasonable operation. Compared with the prior art, the utility model has the advantages of simple structure and reliable work, the window and the identification information can accurately display the current working state and give necessary operation prompt, the misoperation can be effectively avoided, the working efficiency is improved, and the service life of the device is prolonged.

Description

Novel semi-automatic biopsy device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a novel semi-automatic biopsy device.

Background

Tumors are one of diseases seriously harming human health and life, the number of people suffering from tumors in China is increasing year by year in recent years, and the incidence rate is gradually younger. For neoplastic diseases, early detection, early treatment is the most effective means and correct diagnosis is crucial. The diagnosis is developed by combining clinical, image and pathological analysis, which is a key link for corresponding diagnosis. Needle biopsy devices are the primary means of obtaining tissue samples for pathological diagnosis.

In the existing equipment, a plurality of puncture biopsy devices exist, and some devices do not have an automatic puncture function, and need manual operation of a needle core and a needle tube, which brings inconvenience to biopsy work; although some equipment has possessed semi-automatic sampling function, utilizes the spring energy storage principle, realizes that the needle tubing pops out the sampling function automatically, nevertheless, owing to lack reasonable suggestion, guide information, operating personnel often can't the accurate understanding equipment state, lead to the maloperation to damage equipment, for example: when an operator loads the chamber, the prompt information is lacked, and the internal spring and the transmission structure are easily damaged by pulling the chamber for the second time; for another example: the equipment has the function of multi-gear loading, and after the operation personnel finish loading once, the operator does not know whether to continue loading at the moment and the loading distance at the moment, so that great inconvenience is brought to actual operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the utility model provides a novel semi-automatic biopsy device which is simple in structure and reliable in work, the current working state can be accurately displayed through a window and identification information, necessary operation prompts can be given, misoperation can be effectively avoided, the working efficiency is improved, and the service life of the device is prolonged.

The utility model solves the problems through the following technical means:

the utility model provides a novel semi-automatic biopsy device includes lid, base, needle file, pjncture needle, sample needle tubing, needle tube seat and sliding seat, wherein: the cover body is detachably buckled on the base to form a sealed machine shell, a window is formed in the cover body, and sampling length marks are arranged on two sides of the window; the needle seat is movably arranged in the machine shell; one end of the puncture needle is fixed on the needle seat, and the other end of the puncture needle penetrates out of the machine shell; the sampling needle tube is movably sleeved on the puncture needle, one end of the sampling needle tube is fixed on the needle tube seat, and the other end of the sampling needle tube penetrates out of the shell; the needle tube seat is arranged on the sliding seat, the top of the needle tube seat is provided with an identification plate, and the identification plate is positioned below the window and is sequentially provided with a direction arrow, a combination of the direction arrow and an indication arrow and a combination of a forbidden arrow and the indication arrow; the sliding seat is movably arranged in the machine shell, and a spring is arranged between the sliding seat and the base; when the needle seat moves backwards, the sliding seat and the needle tube seat can be driven to move backwards and compress the spring, and a clamping tongue structure is arranged between the sliding seat and the base and can limit the sliding seat and the needle tube seat to move forwards and store the potential energy of the spring; when the needle seat moves forwards, the clamping tongue structure can be triggered and released, the spring potential energy is released, the sliding seat pushes the needle seat and the sampling needle tube to move forwards, and the sampling needle tube and the puncture needle are matched to complete sampling work.

Preferably, the sampling length mark comprises 5, 10, 15 or 20 numbers, and the sampling length mark is used for indicating the ejected distance of the sampling needle tube after being loaded, namely the biopsy sampling length.

Preferably, a direction arrow, a combination of the direction arrow and the indication arrow and a combination of the prohibition arrow and the indication arrow are sequentially arranged on the identification plate from back to front, wherein; when the needle seat is pulled to be not moved, a direction arrow is displayed below the window and is used for indicating that the equipment is in a non-loading state; pulling needle file rearward movement, the first during operation of the block tongue structure that sets up between sliding seat and the base, window below display direction arrow and instruction arrow combination, be used for showing that equipment is in a thorax state, wherein: the directional arrow indicates that further cocking is possible; the sampling length mark corresponding to the indication arrow represents the sampling length in the state; pulling the needle file and continuing the backward movement, the card tongue structure that sets up between sliding seat and the base during second time work, the below demonstration of window forbids arrow and indicates the arrow combination, is used for showing that equipment is in the secondary thorax state, wherein: the inhibit arrow indicates that further cocking is not possible; the sample length flag corresponding to the indicator arrow indicates the sample length in this state.

Preferably, the two sides of the base are provided with an arc-shaped handle and an anti-slip strip, the front side of the base is provided with a front guide tube, the rear side of the base is provided with a rear guide tube, the rear guide tube is provided with a spring seat, a spring is arranged between the spring seat and a needle tube seat, the rear side of the base is provided with a driving groove for mounting a needle seat, the bottom of the driving groove is provided with a sliding groove, the tail end of the sliding groove is provided with an elastic clamping tongue, the two sides of the upper end of the driving groove are provided with sliding baffles for mounting the sliding seat, the front side of the elastic clamping tongue is provided with a guide inclined plane, and the rear side of the elastic clamping tongue is provided with a limiting straight plane.

Preferably, the tail end of the needle seat is provided with a handle, the middle of the needle seat is provided with a needle hole for installing a puncture needle, the front end of the needle seat is provided with a driving rod, the shape of the driving rod is consistent with that of the driving groove, the bottom of the driving rod is provided with a sliding block working in cooperation with the sliding groove, the tail end of the driving rod is provided with a driving tongue, the rear side of the driving tongue is provided with a tongue hook, the tongue hook can drive the sliding seat to move backwards, the front side of the driving tongue is provided with a pressing inclined plane, and the pressing inclined plane moves forwards to drive the elastic clamping tongue to move downwards.

Preferably, the inner end of the puncture needle is fixed on the needle seat, the outer end of the puncture needle sequentially penetrates through the rear guide tube and the front guide tube, and the outer end of the puncture needle is also provided with a sampling groove).

Preferably, the sampling needle tube is movably sleeved on the puncture needle, the inner end of the sampling needle tube is fixed on the needle tube seat, and the outer end of the sampling needle tube penetrates through the front guide tube.

Preferably, the bottom of needle tube seat is provided with connecting seat and needle pipe support, and the connecting seat is used for connecting the sliding seat, and the needle pipe support is installed at the middle part of connecting seat, and is used for fixed sample needle tubing.

Preferably, the top of the sliding seat is provided with a connecting table used for being matched with the connecting seat to work, sliding edges are arranged on two sides of the sliding seat and movably installed in the sliding baffle, the bottom of the sliding seat is provided with two rows of tongue clamping blocks and a pulling groove, the tongue clamping blocks are used for being matched with the elastic tongue clamping blocks to work, one side of each tongue clamping block is provided with a sliding inclined plane with a bevel angle consistent with that of the guiding inclined plane, and the other side of each tongue clamping block is provided with a positioning straight plane which is matched with the limiting straight plane to work; the middle part of the tongue clamping block is provided with a through groove, the driving tongue is movably arranged in the through groove, the shape of the pulling groove is consistent with that of the driving tongue, and one side of the sliding seat is also provided with a positioning cambered surface for mounting a spring.

Preferably, the puncture needle further comprises a sheath which is sleeved outside the puncture needle and the sampling needle.

The novel semi-automatic biopsy device provided by the utility model has the following beneficial effects:

(1) the semi-automatic puncture biopsy device structurally provides an observable window for a user, and the specific position of the handle for loading after operation can be observed through the window, and the user can be displayed and prompted whether to continue loading operation for the next time.

(2) The handle of the semi-arc groove structure at the handheld part of the automatic puncture biopsy device can adapt to the thickness of fingers of different operators wearing gloves, and the design of the anti-slip strips protruding on the side wall of the machine body can provide enough loading friction force for loading actions of the operators.

(3) The needle tube seat, the sliding seat and the needle seat structure of the automatic puncture biopsy device adopt a novel transmission scheme and a novel clamping tongue scheme, and the loading and puncture functions of the sampling needle tube can be completed by utilizing the back-and-forth movement of the needle seat, so that the automatic puncture biopsy device is simple in structure and reliable in work.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal needle hub of the present invention;

FIG. 3 is an exploded view of the internal structure of the present invention;

FIG. 4 is a schematic view of a window structure according to the present invention;

FIG. 5 is a schematic diagram of the structure of a sample length marker according to the present invention;

FIG. 6 is a schematic view of a directional arrow according to the present invention;

FIG. 7 is a schematic view of a combination of a directional arrow and an indication arrow in the present invention;

FIG. 8 is a schematic diagram of a combined structure of a forbidden arrow and an indication arrow in the present invention;

FIG. 9 is a schematic view of a first configuration of the base of the present invention;

FIG. 10 is a second structural view of the base of the present invention;

FIG. 11 is a schematic view of a third construction of the base of the present invention;

fig. 12 is a schematic view of a first construction of a hub in accordance with the present invention;

fig. 13 is a second structural schematic view of the needle holder of the present invention;

FIG. 14 is a schematic view of the structure of the sampling groove of the needle holder of the present invention;

FIG. 15 is a view showing the structure of the needle holder of the present invention;

FIG. 16 is a schematic view of a first configuration of the slide carriage of the present invention;

FIG. 17 is a second structural schematic view of the slide carriage of the present invention;

FIG. 18 is a schematic view of a third construction of the sliding seat of the present invention;

fig. 19 is a schematic view of the structure of the sheath of the present invention.

Wherein, 1-cover body, 101-window, 102-sampling length mark, 103-operation guide mark, 2-base, 201-arc handle, 202-antislip strip, 203-front guide tube, 204-rear guide tube, 205-spring seat, 206-spring, 207-driving groove, 208-sliding groove, 209-elastic latch, 210-sliding baffle, 2091-guiding inclined plane, 2092-limit straight plane, 3-needle seat, 301-handle, 302-driving rod, 303-sliding block, 304-driving tongue, 3041-latch hook, 3042-pressing inclined plane, 4-puncture needle, 401-sampling groove, 5-sampling needle tube, 6-needle tube seat, 601-marking plate, 602-connecting seat, 603-needle tube frame, 6011-directional arrow, 6012-directional arrow and indication arrow combination, 6013-forbidden arrow and indication arrow combination, 7-sliding seat, 701-connecting table, 702-sliding edge, 703-latch block, 704-pulling groove, 705-positioning arc surface, 7031-sliding inclined surface, 7032-positioning straight surface and 8-sheath.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 19, the novel semi-automatic biopsy device comprises a cover body 1, a base 2, a needle seat 3, a puncture needle 4, a sampling needle tube 5, a needle tube seat 6 and a sliding seat 7, wherein the cover body 1 is detachably buckled on the base 2 to form a sealed casing, the cover body 1 is provided with a window 101, sampling length marks 102 are arranged on two sides of the window 101, and the needle seat 3 is movably arranged in the casing; one end of the puncture needle 4 is fixed on the needle base 3, and the other end of the puncture needle 4 penetrates out of the machine shell; the sampling needle tube 5 is movably sleeved on the puncture needle 4, one end of the sampling needle tube 5 is fixed on the needle tube seat 6, and the other end of the sampling needle tube 5 penetrates out of the shell; the needle tube seat 6 is arranged on the sliding seat 7, the top of the needle tube seat 6 is provided with an identification plate 601, and the identification plate 601 is positioned below the window 101 and is sequentially provided with a direction arrow 6011, a direction arrow and indication arrow combination 6012 and a forbidden arrow and indication arrow combination 6013; the sliding seat 7 is movably arranged in the machine shell, and a spring is arranged between the sliding seat 7 and the base 2; when the needle seat 3 moves backwards, the sliding seat 7 and the needle tube seat 6 can be driven to move backwards and compress the spring, and a tongue clamping structure is arranged between the sliding seat 7 and the base 2 and can limit the sliding seat 7 and the needle tube seat 6 to move forwards and store spring potential energy; when the needle seat 3 moves forwards, the clamping tongue structure can be triggered and released, the spring potential energy is released, the sliding seat 7 pushes the needle seat 6 and the sampling needle tube 5 to move forwards, and the sampling needle tube 5 and the puncture needle 4 are matched to finish sampling work.

Specifically, the sampling length index 102 includes 5, 10, 15 or 20 digits, and the sampling length index 102 is used to indicate the distance that the sampling needle tube 5 is ejected after being loaded, i.e., the biopsy sampling length. In this embodiment, the window 10101 has 10 and 20 characters on two sides to indicate that the device has two working positions, the first position is 10mm for sampling, and the second position is 20mm for sampling.

Specifically, a direction arrow 6011, a direction arrow and indication arrow combination 6012, and a prohibition arrow and indication arrow combination 6013 are sequentially arranged on the sign plate 601 from back to front, in this example, when the pulling needle seat 3 is not moved, the direction arrow 6011 is displayed below the window 10101 to indicate that the device is in a non-loaded state; pulling needle file 3 rearward movement, the first during operation of the block tongue structure that sets up between sliding seat 7 and the base 2, window 10101 below shows direction arrow and instruction arrow combination 6012, is used for showing that equipment is in a thorax state, wherein: the directional arrow indicates that further cocking is possible; the sample length mark 102 corresponding to the indicated arrow represents the sample length in this state; pulling the needle seat 3 to continue moving backwards, when the tongue-locking structure arranged between the sliding seat 7 and the base 2 works for the second time, a forbidden arrow and indication arrow combination 6013 is displayed below the window 10101 for indicating that the device is in a secondary chamber state, wherein: the inhibit arrow indicates that further cocking is not possible; the sample length mark 102 corresponding to the indicated arrow indicates the sample length in this state.

The cover 1 may be provided with an operation guide mark 103.

In the actual operation process, trained medical staff can see the indication marks in the window when taking the biopsy needle device, so that specific operation instructions can be known, according to the actual pathological condition requirements of a patient, if the sampling length is 10mm, the arc-shaped handles are pulled backwards through the anti-slip strips on the two sides of the machine body by hands to carry out the first loading work of the biopsy needle device, the arc-shaped handles are pulled until the first click sound appears, at the moment, the window can correspond to the indication marks corresponding to the marks on the two sides of the window, and according to the indication of the marks, the operating staff can know the specific position of loading and whether the loading operation can be carried out again. According to the actual pathological condition demand of patient, if need sample length and be 20mm, then according to the sign indicates, operating personnel can pull arc handle once more and carry out the work of twice getting into the bore. The loaded device can be matched with a coaxial needle under the ultrasonic guidance to perform the puncture biopsy sampling work.

Specifically, an arc-shaped handle 201 and an anti-slip strip 202 are arranged on two sides of a base 2, a front guide tube 203 is arranged on the front side of the base 2, a rear guide tube 204 is arranged on the rear side of the base 2, a spring seat 205 is arranged on the rear guide tube 204, a spring 206 is arranged between the spring seat 205 and a needle tube seat 6, a driving groove 207 for mounting a needle tube 3 is arranged on the rear side of the base 2, a sliding groove 208 is arranged at the bottom of the driving groove 207, an elastic latch 209 is arranged at the tail end of the sliding groove 208, sliding baffle plates 210 for mounting a sliding seat 7 are arranged on two sides of the upper end of the driving groove 207, a guide inclined surface 2091 is arranged on the front side of the elastic latch 209, and a limit straight surface 2092 is arranged on the rear side of the elastic latch 209.

It should be noted that the antislip strip 202 can adopt a strip-shaped protruding structure, an arc-shaped protruding structure or other existing structures, so as to facilitate the fingers to hold between the fingers, and meanwhile, the antislip strip 202 can also be designed with a plurality of concave-convex structures, so that the fingers can be conveniently adjusted to hold between the fingers.

Specifically, a handle 301 is arranged at the tail end of the needle holder 3, a needle hole for installing the puncture needle 4 is arranged in the middle of the needle holder 3, a driving rod 302 is arranged at the front end of the needle holder 3, the shape of the driving rod 302 is consistent with that of the driving groove 207, a sliding block 303 working in cooperation with the sliding groove 208 is arranged at the bottom of the driving rod 302, a driving tongue 304 is arranged at the tail end of the driving rod 302, a tongue hook 3041 is arranged on the rear side of the driving tongue 304, the tongue hook 3041 can drive the sliding seat 7 to move backwards, a downward pressing inclined surface 3042 is arranged on the front side of the driving tongue 304, and the downward pressing inclined surface 3042 can drive the elastic clamping tongue 209 to move downwards when moving forwards.

Specifically, the inner end of the puncture needle 4 is fixed on the needle seat 3, the outer end of the puncture needle 4 sequentially passes through the rear guide tube 204 and the front guide tube 203, and the outer end of the puncture needle 4 is further provided with a sampling groove 401. The sampling needle tube 5 is movably sleeved on the puncture needle 4, the inner end of the sampling needle tube 5 is fixed on the needle tube seat 6, and the outer end of the sampling needle tube 5 penetrates through the front guide tube 203. The bottom of needle tube seat 6 is provided with connecting seat 602 and needle tube support 603, and connecting seat 602 is used for connecting sliding seat 7, and needle tube support 603 is installed in the middle part of connecting seat 602, and is used for fixed sample needle tube 5.

Specifically, the top of the sliding seat 7 is provided with a connecting table 701 for cooperating with the connecting seat 602, sliding edges 702 are arranged on two sides of the sliding seat 7, the sliding edges 702 are movably mounted in the sliding baffle 210, the bottom of the sliding seat 7 is provided with two rows of latch blocks 703 and a pulling groove 704, the latch blocks 703 are used for cooperating with the elastic latches 209 to work, one side of the latch blocks 703 is provided with a sliding inclined plane 7031 with a consistent oblique angle with the guiding inclined plane 2091, and the other side of the latch blocks 703 is provided with a positioning straight plane 7032 cooperating with the limiting straight plane 2092 to work; the middle part of the latch block 703 is provided with a through groove, the driving tongue 304 is movably arranged in the through groove, the shape of the pulling groove 704 is consistent with that of the driving tongue 304, and one side of the sliding seat 7 is also provided with a positioning cambered surface 705 for mounting the spring 206.

In the embodiment, the puncture needle further comprises a sheath 8, the sheath 8 is sleeved outside the puncture needle 4 and the sampling needle tube 5, and the protective sleeve mainly plays a role in protecting the needle tube and protecting medical staff from being punctured in the using process.

In practice, the needle holder 3 is pulled to move backwards at first, the driving rod 302 and the driving tongue 304 move backwards along with the pulling, the driving tongue 304 is installed in the bottom pulling groove 704 of the sliding seat 7, at this time, the sliding seat 7 and the needle tube seat 6 move backwards under the driving of the tongue hook 3041, and the sampling needle tube 5 and the identification plate 601 are linked. When the needle holder moves further backwards, the movable inclined surface 7031 of the latch block 703 firstly contacts the guiding inclined surface 2091 of the elastic latch 209, the inclined surfaces are mutually rubbed in a sliding manner until the latch block 703 turns over the elastic latch 209, the first loading action is completed, and even if the needle holder 3 is pulled to release the pulling force, the latch block 703 cannot turn over the elastic latch 209, so that the positioning and energy storage are realized.

During actual puncture, the movable needle seat 3 is firstly pushed to move forwards, the driving tongue 304 can flexibly move in the through groove between the tongue blocking blocks 703, the movable needle seat 3 is pushed forwards until the driving tongue contacts with the central inclined plane of the elastic tongue 209, the elastic tongue 209 moves downwards until the tongue blocking block 703 turns over the tongue 209 due to the continuous forward pushing action of the downward pressing inclined plane 3042 of the driving tongue 304, and at the moment, the pressure of the spring is released, so that the puncture is carried out forwards.

The needle tube seat, the sliding seat and the needle seat structure of the automatic puncture biopsy device adopt a novel transmission scheme and a novel clamping tongue scheme, and the loading and puncture functions of the sampling needle tube can be completed by utilizing the back-and-forth movement of the needle seat, so that the automatic puncture biopsy device is simple in structure and reliable in work.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a novel semi-automatic biopsy device which characterized in that, includes lid (1), base (2), needle file (3), pjncture needle (4), sample needle tubing (5), needle tubing seat (6) and sliding seat (7), wherein:

the cover body (1) is detachably buckled on the base (2) to form a sealed machine shell, a window (101) is formed in the cover body (1), and sampling length marks (102) are arranged on two sides of the window (101);

the needle seat (3) is movably arranged in the machine shell;

one end of the puncture needle (4) is fixed on the needle seat (3), and the other end of the puncture needle (4) penetrates out of the machine shell;

the sampling needle tube (5) is movably sleeved on the puncture needle (4), one end of the sampling needle tube (5) is fixed on the needle tube seat (6), and the other end of the sampling needle tube (5) penetrates out of the shell;

the needle tube seat (6) is installed on the sliding seat (7), the top of the needle tube seat (6) is provided with an identification plate (601), and the identification plate (601) is positioned below the window (101) and is sequentially provided with a direction arrow (6011), a combination of the direction arrow and an indication arrow (6012) and a combination of a forbidden arrow and an indication arrow (6013);

the sliding seat (7) is movably arranged in the machine shell, and a spring is arranged between the sliding seat (7) and the base (2);

when the needle seat (3) moves backwards, the sliding seat (7) and the needle tube seat (6) can be driven to move backwards and compress the spring, a tongue clamping structure is arranged between the sliding seat (7) and the base (2), and the tongue clamping structure can limit the sliding seat (7) and the needle tube seat (6) to move forwards and store the potential energy of the spring;

when the needle seat (3) moves forwards, the clamping tongue structure can be triggered and released, the spring potential energy is released, the sliding seat (7) pushes the needle seat (6) and the sampling needle tube (5) to move forwards, and the sampling needle tube (5) and the puncture needle (4) are matched to complete sampling work.

2. The new semi-automatic biopsy device according to claim 1, wherein the sampling length markings (102) comprise 5, 10, 15 or 20 digits, the sampling length markings (102) being used to indicate the distance of ejection of the sampling needle (5) after loading, i.e. the biopsy sampling length.

3. The new semi-automatic biopsy device according to claim 1, characterized in that a direction arrow (6011), a combination of direction arrow and indication arrow (6012), and a combination of forbidden arrow and indication arrow (6013) are arranged on the identification plate (601) from back to front in sequence, wherein;

when the needle seat (3) is pulled to be not moved, a direction arrow (6011) is displayed below the window (101) and used for indicating that the equipment is in a non-loading state;

pulling needle file (3) rearward movement, the first time during operation of the block tongue structure that sets up between sliding seat (7) and base (2), window (101) below show direction arrow and indicate arrow combination (6012), be used for showing that equipment is in a chamber state, wherein: the directional arrow indicates that further cocking is possible; the sampling length mark (102) corresponding to the indication arrow represents the sampling length in the state;

pulling the needle seat (3) to continue moving backwards, and when a clamping tongue structure arranged between the sliding seat (7) and the base (2) works for the second time, displaying a forbidden arrow and an indication arrow combination (6013) below the window (101) for indicating that the equipment is in a secondary chamber state, wherein: the forbidden arrow indicates that further loading is not possible; the sample length mark (102) corresponding to the indicated arrow represents the sample length in this state.

4. The novel semi-automatic biopsy device according to claim 1, wherein the base (2) is provided with an arc handle (201) and an anti-slip strip (202) at two sides, a front guide tube (203) is installed at the front side of the base (2), a rear guide tube (204) is installed at the rear side of the base (2), a spring seat (205) is arranged on the rear guide tube (204), a spring (206) is arranged between a spring seat (205) and a needle tube seat (6), a driving groove (207) for mounting a needle seat (3) is arranged on the rear side of a base (2), a sliding groove (208) is arranged at the bottom of the driving groove (207), an elastic clamping tongue (209) is arranged at the tail end of the sliding groove (208), sliding baffle plates (210) for mounting a sliding seat (7) are arranged on two sides of the upper end of the driving groove (207), a guide inclined surface (2091) is arranged on the front side of the elastic clamping tongue (209), and a limiting straight surface (2092) is arranged on the rear side of the elastic clamping tongue (209).

5. The novel semi-automatic biopsy device according to claim 1, wherein a handle (301) is arranged at the tail end of the needle seat (3), a needle hole for installing the puncture needle (4) is arranged in the middle of the needle seat (3), a driving rod (302) is arranged at the front end of the needle seat (3), the shape of the driving rod (302) is consistent with that of the driving groove (207), a sliding block (303) working in cooperation with the sliding groove (208) is arranged at the bottom of the driving rod (302), a driving tongue (304) is arranged at the tail end of the driving rod (302), a tongue hook (3041) is arranged on the rear side of the driving tongue (304), the tongue hook (3041) can drive the sliding seat (7) to move backwards, a pressing inclined surface (3042) is arranged on the front side of the driving tongue (304), and an elastic clamping tongue (209) can be driven to move downwards by forward movement of the pressing inclined surface (3042).

6. The novel semi-automatic biopsy device according to claim 1, characterized in that the inner end of the puncture needle (4) is fixed on the needle seat (3), the outer end of the puncture needle (4) sequentially passes through the rear guide tube (204) and the front guide tube (203), and the outer end of the puncture needle (4) is further provided with a sampling groove (401).

7. The new semi-automatic biopsy device according to claim 1, characterized in that the sampling needle (5) is movably sleeved on the puncture needle (4), the inner end of the sampling needle (5) is fixed on the needle tube seat (6), and the outer end of the sampling needle (5) passes through the front guide tube (203).

8. The novel semi-automatic biopsy device according to claim 1, wherein the bottom of the needle tube seat (6) is provided with a connecting seat (602) and a needle tube rack (603), the connecting seat (602) is used for connecting the sliding seat (7), and the needle tube rack (603) is arranged in the middle of the connecting seat (602) and is used for fixing the sampling needle tube (5).

9. The novel semi-automatic biopsy device according to claim 1, wherein a connecting table (701) for matching with a connecting seat (602) for working is arranged at the top of the sliding seat (7), sliding edges (702) are arranged on two sides of the sliding seat (7), the sliding edges (702) are movably arranged in the sliding baffle (210), two rows of latch blocks (703) and one pulling groove (704) are arranged at the bottom of the sliding seat (7), the latch blocks (703) are used for matching with the elastic latch (209) for working, a sliding inclined plane (7031) with the same oblique angle as the guiding inclined plane (2091) is arranged on one side of each latch block (703), and a positioning straight plane (7032) for matching with the limiting straight plane (2092) for working is arranged on the other side of each latch block (703); a through groove is formed in the middle of the tongue clamping block (703), the driving tongue (304) is movably installed in the through groove, the shape of the pulling groove (704) is consistent with that of the driving tongue (304), and a positioning arc surface (705) for installing the spring (206) is further arranged on one side of the sliding seat (7).

10. The novel semi-automatic biopsy device of claim 1, further comprising a sheath (8), wherein the sheath (8) is sleeved outside the puncture needle (4) and the sampling needle (5).