CN217548098U

CN217548098U - Skin surface wound surface puncture biopsy needle

Info

Publication number: CN217548098U
Application number: CN202222157622.8U
Authority: CN
Inventors: 侯哲; 范涛
Original assignee: Beijing Luhe Hospital
Current assignee: Beijing Luhe Hospital
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-10-11
Anticipated expiration: 2032-08-17

Abstract

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a skin surface of a wound biopsy needle is related to, including outer needle, interior needle, supporting part and handle cap, the interior needle sets up in the outer needle, the one end of interior needle with the handle cap is connected, the one end of outer needle is equipped with the supporting part, outer needle side is equipped with the sample connection groove, the interior needle side is equipped with the thief hole, the sample connection groove with the thief hole one-to-one. The utility model discloses convenient operation, a puncture realizes multiple spot biopsy sample, and the sample is quick, and each other does not communicate with each other between each thief hole, guarantees that the biopsy tissue is accurate, is applicable to the biopsy of many target points of diabetes foot surface of a wound, alleviates the misery of patient's puncture many times, alleviates medical personnel work load simultaneously.

Description

Skin surface wound surface puncture biopsy needle

Technical Field

The utility model relates to the technical field of medical equipment, specifically speaking relates to a skin surface of a wound puncture biopsy needle.

Background

The biopsy needle is a common medical instrument and is suitable for sampling and sucking cells from living tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface and the like. The routine biopsy is significant for clinical diagnosis, can determine not only the tissue classification, occurrence and development conditions, but also the benign or malignant conditions, and provides effective basis for treatment.

Currently, methods for sampling skin samples are: surgical resection, trephine and resection. The trepanning method is suitable for patients with superficial or difficult surgical incision, but for patients with skin wounds, the depth is not easy to control, material taking failure can be caused, the accuracy cannot be guaranteed, and multi-point sampling biopsy is difficult to realize.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a skin surface of a wound puncture biopsy needle to solve the difficult sample that provides in the above-mentioned background art, problem that can not multiple spot sample.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a skin surface wound surface biopsy needle, includes outer needle 1, interior needle 2, supporting part 3 and handle cap 4, interior needle 2 sets up in the outer needle 1, the one end of interior needle 2 with handle cap 4 is connected, the one end of outer needle 1 is equipped with supporting part 3.

The near-end of outer needle 1 is syringe needle 11, the side of outer needle 1 is equipped with sample groove 13, sample groove 13 is circular, sample groove 13 align to grid is in outer needle 1 side the surface of outer needle 1 is equipped with scale mark 12, scale mark 12 specifically set up in the another side of sample groove 13.

The side of interior needle 2 is equipped with thief hole 21, thief hole 21 set up in with the side of sample groove 13 same direction, thief hole 21 and sample groove 13 one-to-one, each other do not communicate with each other between the thief hole 21, the one end of interior needle 2 pass through the spliced pole 42 with handle cap 4 is connected fixedly.

The inner wall of supporting part 3 is equipped with two spacing archs 31, the distance between the spacing archs 31 is less than the diameter of spliced pole 42 when the thief hole 21 with sample groove 13 corresponds, spacing arch 31 blocks spliced pole 42 prevents it to slide to the near-end.

The handle cap 4 is provided with a hand-holding anti-slip pattern 41 on the side surface close to the inner needle 2, and the hand-holding anti-slip pattern 41 is a strip-shaped bulge.

Compared with the prior art, the utility model discloses beneficial effect as follows:

the utility model discloses convenient operation, a puncture realizes the multiple spot biopsy sample, and the sample is quick, and each other does not communicate with each other between each thief hole, guarantees that the biopsy tissue is accurate, is applicable to this kind of multiple target point biopsy of diabetes foot surface of a wound, alleviates the misery of patient's puncture many times, alleviates medical personnel work load simultaneously.

Drawings

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

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

fig. 3 is one of the schematic internal structural diagrams of the present invention;

fig. 4 is a second schematic view of the internal structure of the present invention;

fig. 5 is a schematic cross-sectional view of the connecting column of the present invention.

In the figure: 1. an outer needle; 11. a needle head; 12. scale lines; 13. a sampling groove; 2. an inner needle; 21. a sampling hole; 3. a support portion; 31. a limiting bulge; 4. a handle cap; 41. holding the anti-skid lines; 42. connecting columns.

Detailed Description

In order to clarify technical problems, technical solutions, implementation processes and performance displays, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only. The utility model discloses, be not used for limiting the utility model discloses. Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the subject matter of the present disclosure.

As shown in fig. 1 to 5, a skin surface wound biopsy needle includes an outer needle 1, an inner needle 2, a support portion 3 and a handle cap 4, the inner needle 2 is disposed in the outer needle 1, one end of the inner needle 2 is connected to the handle cap 4, and one end of the outer needle 1 is provided with the support portion 3.

The near-end of outer needle 1 is syringe needle 11, the side of outer needle 1 is equipped with sample groove 13, sample groove 13 is circular, sample groove 13 align to grid is in outer needle 1 side the surface of outer needle 1 is equipped with scale mark 12, scale mark 12 specifically set up in sample groove 13's another side.

Two limiting bulges 31 are arranged on the inner wall of the supporting part 3, the distance between the limiting bulges 31 is smaller than the diameter of the connecting column 42, and when the sampling hole 21 corresponds to the sampling groove 13, the limiting bulges 31 clamp the connecting column 42 to prevent the connecting column 42 from sliding towards the near end.

The handle cap 4 is provided with hand-held anti-slip patterns 41 on the side surface close to the inner needle 2, and the hand-held anti-slip patterns 41 are strip-shaped bulges.

When taking a sample biopsy to surface of a wound, superficial department, use the utility model discloses puncture at the biopsy position, then oppress the biopsy position, hold the handle cap, drive gently the interior needle and rotate, carry out the sample of multiple spot biopsy to the position, outwards extract the interior needle afterwards, the sample is accomplished, stanchs the hemostasis by compression to the biopsy position.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a skin surface wound aspiration biopsy needle, characterized in that, includes outer needle (1), interior needle (2), supporting part (3) and handle cap (4), interior needle (2) set up in outer needle (1), the one end of interior needle (2) with handle cap (4) are connected, the outer one end of outer needle (1) is equipped with supporting part (3).

2. The skin surface wound biopsy needle according to claim 1, characterized in that the proximal end of the outer needle (1) is a needle head (11), a sampling groove (13) is formed in a side surface of the outer needle (1), the sampling groove (13) is circular, the sampling grooves (13) are uniformly arranged in the side surface of the outer needle (1), a scale mark (12) is formed in the surface of the outer needle (1), and the scale mark (12) is specifically arranged on the other side surface of the sampling groove (13).

3. The skin surface wound biopsy needle according to claim 2, characterized in that a sampling hole (21) is provided on a side surface of the inner needle (2), the sampling hole (21) is provided on a side surface in the same direction as the sampling groove (13), the sampling holes (21) correspond to the sampling grooves (13) one by one, the sampling holes (21) are not communicated with each other, and one end of the inner needle (2) is connected and fixed with the handle cap (4) through a connecting column (42).

4. Skin surface wound biopsy needle according to claim 3, characterized in that the inner wall of the support part (3) is provided with two limiting protrusions (31), the distance between the limiting protrusions (31) is smaller than the diameter of the connecting column (42), when the sampling hole (21) corresponds to the sampling groove (13), the limiting protrusions (31) block the connecting column (42) to prevent the connecting column from sliding towards the proximal end.

5. The skin surface wound biopsy needle according to claim 1, wherein a hand-held anti-slip pattern (41) is arranged on the side surface of the handle cap (4) close to the inner needle (2), and the hand-held anti-slip pattern (41) is a strip-shaped protrusion.