CN218075077U

CN218075077U - Tumor puncture sampling device

Info

Publication number: CN218075077U
Application number: CN202221879841.0U
Authority: CN
Inventors: 何川; 张馨; 韩博
Original assignee: Harbin Medical University
Current assignee: Harbin Medical University
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-20
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to a tumor puncture sampling device, which comprises a needle body, a needle body and a needle body, wherein the needle body is of a cylindrical structure; the number of the grooves is three, and the grooves are uniformly distributed along the circumferential direction of the side wall of the needle body; cutting assembly, the quantity is three, and each cutting assembly corresponds with a recess, and cutting assembly includes: the cutting blade is arc-shaped, the arc radian of the cutting blade is attached to the side wall of the needle body, one side of the cutting blade, which is far away from the head of the needle body, is fixed with one end of a first rod body, the other end of the first rod body is hinged with a first sliding block, the first sliding block is clamped in a first guide groove and is in sliding connection with the first guide groove, and the first guide groove is formed in the side wall of the needle body along the length direction of the needle body; one end of the second rod body is hinged with the first sliding block, and the other end of the second rod body is hinged with a third rod body; one end of the telescopic rod is fixed with the tail of the needle body, and the other end of the telescopic rod is hinged with one end, far away from the second rod body, of the third rod body. Compared with the prior art, the utility model discloses reduce the frequency of contact of the tissue that has become cancerous and healthy tissue to a certain extent.

Description

Tumor puncture sampling device

Technical Field

The utility model belongs to the technical field of the tumour sample, concretely relates to tumour puncture sampling device.

Background

Tumor refers to the space occupying block protrusion formed by local tissue cell proliferation under the action of various tumorigenic factors. The incidence of various tumor diseases is increasing in recent years along with the factors of the acceleration of life rhythm, the increase of life pressure, irregular diet and the like. Tumor biopsy is a pathological examination of tumor tissues to further define pathological diagnosis of tumors. Tumor tissue is generally obtained by puncturing the patient at the site to be sampled by a puncturing device and then sent for pathological examination.

At present, a common tumor tissue sampling method mainly includes that a puncture needle in a puncture device is used for puncturing tumor tissues, then the tumor tissues are hooked and pulled out by using barbs on the puncture needle, and then the tumor tissues are pulled apart while the puncture needle is pulled out to realize sampling.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a tumor puncture sampling device cuts off the convenience, can solve the above-mentioned technical problem who provides.

The technical scheme of the utility model is that:

a tumor puncture sampling device comprises

The needle body is of a cylindrical structure;

the number of the grooves is three, and the grooves are uniformly distributed along the circumferential direction of the side wall of the needle body;

cutting assembly, the quantity is three, and each cutting assembly corresponds with a recess, cutting assembly includes: the cutting blade is arc-shaped, the arc radian of the cutting blade is attached to the side wall of the needle body, one side, away from the head of the needle body, of the cutting blade is fixed with one end of a first rod body, the other end of the first rod body is hinged with a first sliding block, the first sliding block is clamped in a first guide groove and is in sliding connection with the first guide groove, and the first guide groove is formed in the side wall of the needle body along the length direction of the needle body; one end of the second rod body is hinged with the first sliding block, and the other end of the second rod body is hinged with a third rod body; one end of the telescopic rod is fixed with the tail of the needle body, and the other end of the telescopic rod is hinged with one end, far away from the second rod body, of the third rod body.

Preferably, the needle assembly further comprises three guide assemblies arranged on the cutting blade and the needle body, each guide assembly corresponds to one cutting blade, and the guide assemblies comprise: the second slider of setting on the cutting piece to and set up the second guide way at the needle body lateral wall along the length direction of needle body, the second slider clamps in the second guide way, and with second guide way sliding connection.

Preferably, one end of the telescopic rod, which is far away from the needle body, is provided with a fourth rod body, and one end of the fourth rod body, which is far away from the telescopic rod, is provided with a handheld part.

Preferably, the needle body is provided with a mark component for preventing the first guide groove part from entering the human body.

Preferably, the identification component comprises: the mark of printing on the needle body, the colour of mark is different from the needle body, just the mark is kept away from the one end parallel and level of handheld portion with first guide way.

Preferably, one end of the needle body, which is far away from the handheld part, is an inclined plane.

Preferably, a plurality of anti-slip bulges are uniformly distributed on the part of the needle body provided with the first guide groove.

Preferably, the needle body is made of stainless steel material.

Preferably, the width of the cutting blade is larger than that of the groove.

Compared with the prior art, the utility model provides a pair of tumour puncture sampling device, its beneficial effect is:

cut off the convenience, alleviate patient's misery to can reduce the frequency of contact of the tissue that has become cancerous and healthy tissue to a certain extent, and be equipped with the sign subassembly, the utility model discloses simple structure, the practicality is strong, is worth promoting.

Drawings

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

Detailed Description

The following describes in detail a specific embodiment of the present invention with reference to fig. 1. 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 device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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.

Examples

The utility model provides a tumor puncture sampling device, which is described below by combining the structural schematic diagram of figure 1.

As shown in fig. 1, the tumor puncture sampling device comprises a needle body 1 with a cylindrical structure; three grooves 2 are uniformly distributed along the circumferential direction of the side wall of the needle body 1; three cutting assemblies, each cutting assembly corresponds to a recess 2, and the cutting assembly includes: the cutting blade 3 is arc-shaped, the arc radian of the cutting blade is attached to the side wall of the needle body 1, one side, away from the head of the needle body 1, of the cutting blade 3 is fixed with one end of a first rod body 4, the other end of the first rod body 4 is hinged with a first sliding block, the first sliding block is clamped in a first guide groove and is in sliding connection with the first guide groove, and the first guide groove is formed in the side wall of the needle body 1 along the length direction of the needle body 1; one end of the second rod body 6 is hinged with the first sliding block, and the other end of the second rod body is hinged with a third rod body 7; telescopic link 8, its one end is fixed with the afterbody of needle body 1, the other end is articulated with the one end that the second body of rod 6 was kept away from to the third body of rod 7, when promoting, 8 length of telescopic link can shorten, contained angle between the telescopic link 8 and the third body of rod 7, contained angle between the third body of rod 7 and the second body of rod 6, and contained angle between the second body of rod 6 and the first body of rod 4 all can change, first slider on the first body of rod 4 can slide in first guide way this moment, thereby drive the cutting piece 3 motion and carry out the cutting of tumour sample, the tumour sample after being cut can be stayed in the recess.

Further, still including setting up the direction subassembly on cutting piece 3 and needle body 1, direction subassembly can guarantee that cutting piece 3 can slide along needle body 1's lateral wall steadily, direction subassembly's quantity has three, each direction subassembly is corresponding with a cutting piece 3, direction subassembly is including setting up the second slider on cutting piece 3, and set up the second guide way at needle body 1 lateral wall along the length direction of needle body 1, the second slider clamps in the second guide way, and with second guide way sliding connection, when cutting piece 3 moves, the second slider on cutting piece 3 can slide in the second guide way, thereby guarantee that cutting piece 3 can slide along needle body 1's lateral wall steadily.

Further, the future use of the device of being convenient for, the one end that the needle body 1 was kept away from to telescopic link 8 is provided with fourth rod 9, and the one end that telescopic link 8 was kept away from to fourth rod 9 is provided with handheld portion 10.

Further, be provided with on the needle body 1 and be used for preventing that first guide slot part from getting into human sign subassembly 5, sign subassembly 5 includes: the mark of printing on needle body 1, wherein the colour of mark is different from needle body 1, and the mark is kept away from the one end parallel and level of handheld portion 10 with first guide way, because the second body of rod 6 can be parallel with the lateral wall of needle body 1, so when needle body 1 got into the human body, the mark can further remind the user not will get into the human body with first guide way portion.

Furthermore, one end of the needle body 1, which is far away from the handheld part 10, is an inclined plane, and the inclined plane is convenient for entering the human body of the needle body 1.

Further, the part of the needle body 1 provided with the first guide groove is uniformly distributed with a plurality of anti-skid bulges, and the plurality of anti-skid bulges can be conveniently held by hands.

Further, the needle body 1 is made of stainless steel material.

Further, the width of cutting piece 3 is greater than the width of recess 2, because the size of cutting piece 3 can cover recess 2, so in the in-process of extracting needle body 1, the tumour sample in the recess can not run out to the contact frequency of tumour and healthy tissue in the reduction recess.

Compared with the prior art, the utility model provides a pair of tumour puncture sampling device, its application method is:

when in use, penetrate the needle body 1 into the skin, notice the identification component 5 stay outside the skin to reduce the damage of the puncture to the patient when puncturing, then use the cutting blade 3 to cut, the specific steps of use are that one hand is holding the needle tube of the needle body 1 and is provided with the bellied part, the other hand is holding the head end promotion of handheld portion 10 to the needle body 1, when promoting, 8 lengths of telescopic link can shorten, the contained angle between the telescopic link 8 and the third body of rod 7, the contained angle between the third body of rod 7 and the second body of rod 6, and the contained angle between the second body of rod 6 and the first body of rod 4 all can change, the first slider on the first body of rod 4 can slide in the first guide way this moment, thereby drive the cutting blade 3 motion and carry out the cutting of tumor sample, when the cutting blade 3 moves, the second slider on the cutting blade 3 can slide in the second guide way, thereby guarantee that the cutting blade 3 can slide steadily along the lateral wall of needle body 1, the tumor sample after being cut can stay in the needle body recess, then extract the size of the needle body 1, so can cover the recess 2, so the needle body can not pull out the in-process of tumor sample, the reverse extraction of the needle body can not extract the recess 8, the tumor sample, the back of the telescopic link can not extract the human body.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.

Claims

1. A tumor puncture sampling device, comprising:

the needle body (1) is of a cylindrical structure;

the number of the grooves (2) is three, and the grooves are uniformly distributed along the circumferential direction of the side wall of the needle body (1);

cutting assemblies, three in number, each cutting assembly corresponding to one groove (2), the cutting assembly comprising: the cutting blade (3) is arc-shaped, the arc radian of the cutting blade is attached to the side wall of the needle body (1), one side, far away from the head of the needle body (1), of the cutting blade (3) is fixed to one end of the first rod body (4), the other end of the first rod body (4) is hinged to a first sliding block, the first sliding block is clamped in the first guide groove and is in sliding connection with the first guide groove, and the first guide groove is formed in the side wall of the needle body (1) along the length direction of the needle body (1); one end of the second rod body (6) is hinged with the first sliding block, and the other end of the second rod body is hinged with a third rod body (7); one end of the telescopic rod (8) is fixed with the tail part of the needle body (1), and the other end of the telescopic rod is hinged with one end, far away from the second rod body (6), of the third rod body (7).

2. A tumor puncture sampling device according to claim 1, characterized by further comprising three guide assemblies provided on the cutting blade (3) and the needle body (1), each guide assembly corresponding to one cutting blade (3), the guide assemblies comprising: the second sliding block is arranged on the cutting blade (3) and a second guide groove is formed in the side wall of the needle body (1) along the length direction of the needle body (1), and the second sliding block is clamped in the second guide groove and is in sliding connection with the second guide groove.

3. A tumor puncture sampling device according to claim 1, characterized in that the end of the telescopic rod (8) far away from the needle body (1) is provided with a fourth rod (9), and the end of the fourth rod (9) far away from the telescopic rod (8) is provided with a hand-held part (10).

4. A tumor puncture sampling device according to claim 1, wherein the needle body (1) is provided with a marking member (5) for preventing the first guide groove portion from entering the human body.

5. A tumor puncture sampling device according to claim 4, characterized in that the identification assembly (5) comprises: the mark is printed on the needle body (1), the color of the mark is different from that of the needle body (1), and the mark is flush with one end, away from the handheld part (10), of the first guide groove.

6. A puncture sampling device for tumors according to claim 1, characterized in that the end of the needle body (1) away from the hand-held part (10) is beveled.

7. The tumor puncture sampling device of claim 1, wherein a plurality of anti-slip bulges are uniformly distributed on the portion of the needle body (1) provided with the first guide groove.

8. The tumor puncture sampling device according to claim 1, wherein the needle body (1) is made of stainless steel material.

9. A tumor puncture sampling device according to claim 1, wherein the width of the cutting blade (3) is larger than the width of the groove (2).