CN111920458A

CN111920458A - Puncture needle for pathological sampling in orthopedics department

Info

Publication number: CN111920458A
Application number: CN202011019757.7A
Authority: CN
Inventors: 陈修福; 赵永生; 董复宗; 张承韶
Original assignee: Qingdao Municipal Hospital
Current assignee: Qingdao Municipal Hospital
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2020-11-13

Abstract

The utility model provides a puncture needle for pathology is got to orthopedics, includes puncture part and handle, puncture part includes outer thorn pipe and interior thorn needle, outer thorn pipe cup joints with interior thorn needle, interior thorn needle front end is equipped with tissue groove incision, the handle includes interior thorn needle handle and outer thorn pipe handle, be equipped with pop-up device between outer thorn pipe handle and the interior thorn needle handle. In the operation, interior acupuncture needle pierces the tissue with outer thorn pipe simultaneously, under pop-up device's effect, and the rapid resilience of interior acupuncture needle persists pathological tissue in the tissue groove to reach and accurately get pathological tissue rapidly, the problem in the pore that punctures out is easily left over to the solution tissue that rapid completion pathological tissue sample can be fine, reduces the planting transfer problem that causes because of the tissue problem of leaving over in the operation process.

Description

Puncture needle for pathological sampling in orthopedics department

Technical Field

The invention relates to the field of medical instruments, in particular to an orthopedic pathological puncture needle.

Background

Surgical pathology examination refers to taking pathological tissues from a patient and performing pathological examination on the taken tissues in order to meet the needs of diagnosis and treatment. To date, in the operation treatment process, need take out patient's pathological tissue, the device that adopts in present operation is comparatively simple, and current device is when using, and the easy leaving behind of tissue is in the pore that punctures out, and the planting is shifted easily to appear when appearing the tissue and leave over, causes the influence to patient's state of an illness.

Disclosure of Invention

The invention aims to overcome the defects of the traditional technology and provides the puncture needle for orthopedics pathological examination.

The aim of the invention is achieved by the following technical measures:

the utility model provides a puncture needle for pathology is got to orthopedics, includes puncture part and handle, its characterized in that: the puncture component comprises an outer puncture tube and an inner puncture needle, the outer puncture tube is sleeved with the inner puncture needle, the front end of the inner puncture needle is provided with a tissue groove incision, the front end of the outer puncture tube is provided with an inclination angle, the handle comprises an inner puncture needle handle and an outer puncture tube handle, the outer puncture tube is fixedly connected with the outer puncture tube handle, the inner puncture needle is fixedly connected with the inner puncture needle handle, and an ejection device is arranged between the outer puncture tube handle and the inner puncture needle handle.

As an improvement: the front end of the inner puncturing needle is provided with a conical tip, and the rear end of the conical tip is a tissue groove incision.

As an improvement: the tissue groove cut is provided with a tissue groove towards the end of the conical tip, and the tissue groove is a D-shaped groove.

As an improvement: the outer pricking tube handle is provided with an inner sleeve, the inner pricking needle handle is provided with an outer sleeve, and the outer pricking tube handle and the inner pricking needle handle are connected through the inner sleeve and the outer sleeve.

As an improvement: and an ejection device is connected between the inner sleeve and the outer sleeve and provides outward tension for the inner puncture needle.

As an improvement: the front end of the outer puncture tube is closely contacted with the inner puncture needle, and the sampled pathological tissues are cut off when the ejection device acts.

As an improvement: the lower end of the outer pricking pipe handle is designed to be a circular arc, and the contact part of the outer pricking pipe handle and the inner pricking needle handle is in circular arc contact.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that: in the operation, interior acupuncture needle pierces the tissue with outer thorn pipe simultaneously, under pop-up device's effect, the rapid resilience of interior acupuncture needle persists pathological tissue in the tissue groove to reach and accurately get pathological tissue rapidly, the problem in the pore that punctures out is easily left over to the solution tissue that rapid completion pathological tissue sampling can be fine, reduce the planting transfer problem that causes because of the tissue leaves over the problem at the operation in-process, reduce the influence to patient's state of an illness and reduce the possibility of worsening effectively.

The invention is further described with reference to the following figures and detailed description.

Drawings

FIG. 1 is a schematic perspective view of the present invention.

Fig. 2 is a detailed structural schematic diagram of the present invention.

Fig. 3 is a partial sectional view of a in fig. 2.

Fig. 4 is a partial schematic view of B in fig. 2.

In the figure: 1-a piercing member: 2-grip: 11-inner needle: 12-outer thorn tube: 21-inner needle grip: 22-outer stinging tube grip: 23-ejection means: 211-outer sleeve: 221-inner sleeve: 111-conical tip: 112-tissue groove incision: 113-tissue groove.

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.

Example (b): as shown in fig. 1 to 4, the puncture needle for pathological examination in orthopedics department comprises a puncture part 1 and a handle 2, wherein the puncture part 1 comprises an outer puncture tube 12 and an inner puncture needle 11, the outer puncture tube 12 is sleeved with the inner puncture needle 11, a tissue groove incision 112 is arranged at the front end of the inner puncture needle 11, an inclined angle is arranged at the front end of the outer puncture tube 12, the handle 2 comprises an inner puncture needle handle 21 and an outer puncture needle handle 22, the outer puncture tube 12 is fixedly connected with the outer puncture tube handle 22, the inner puncture needle 11 is fixedly connected with the inner puncture needle handle 21, and an ejection device 23 is arranged between the outer puncture tube handle 22 and the inner puncture needle handle 21.

As shown in fig. 4, the inner puncturing needle 11 has a conical tip 111 at the front end thereof, the conical tip 111 can better puncture skin tissue, muscle tissue and bone tissue, the back end of the conical tip 111 is a tissue groove incision 112, the front end of the tissue groove incision 112 is a bevel, the bevel can better guide the tissue to enter the tissue groove incision 112, and after the conical tip 111 punctures pathological tissue, the pathological tissue will enter the tissue groove incision 112.

As shown in fig. 4, the tissue groove cut 112 has a tissue groove 113 towards the end of the conical tip 111, and the tissue groove 113 is a D-shaped groove and has a certain depth without affecting the piercing ability of the conical tip 111.

As shown in fig. 3, the outer pricking tube handle 22 is provided with an inner tube 221, the inner pricking needle handle 21 is provided with an outer tube 211, a certain gap is formed between the inner tube 221 and the outer tube 211, the gap can maintain the relative positions of the outer pricking tube handle 22 and the inner pricking needle handle 21 to a certain degree, and the outer pricking tube handle 22 and the inner pricking needle handle 21 are sleeved through the inner tube 221 and the outer tube 211.

As shown in fig. 3 and 4, the ejection device 23 is connected between the gap between the inner cannula 221 and the outer cannula 211, the ejection device 23 can use a spring or a shrapnel, and cannot be ejected excessively under the condition of ensuring that a certain ejection force can be provided, the ejection device 23 ejects the inner puncture needle grip 21 and simultaneously rapidly moves the inner puncture needle 11 outwards, the front end of the outer puncture needle 12 is in close contact with the inner puncture needle 11, and the pathological tissues in the tissue groove incision 112 are cut off by the inclined surface at the front end of the outer puncture needle 12 and are reserved in the tissue groove 113.

As shown in the attached figure 2, the lower end of the outer puncturing tube handle 22 is designed to be a circular arc, the contact part of the outer puncturing tube handle 22 and the inner puncturing needle handle 21 is in circular arc contact, the circular arc design can be more suitable for the shape of a palm, and the user can not be injured in the process of using the outer puncturing tube handle.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a puncture needle for pathology is got to orthopedics, includes puncture part (1) and handle (2), its characterized in that: puncture part (1) includes outer thorn pipe (12) and interior thorn needle (11), outer thorn pipe (12) cup joints with interior thorn needle (11), interior thorn (11) front end is equipped with tissue groove incision (112), outer thorn pipe (12) front end is equipped with the angle of inclination, handle (2) are including interior thorn needle handle (21) and outer thorn pipe handle (22), outer thorn pipe (12) and outer thorn pipe handle (22) fixed connection, interior thorn (11) and interior thorn needle handle (21) fixed connection, be equipped with pop-up device (23) between outer thorn pipe handle (22) and interior thorn needle handle (21).

2. The orthopedic pathology extraction puncture needle according to claim 1, characterized in that: the front end of the inner puncture needle (11) is provided with a conical tip (111), and the rear end of the conical tip is provided with a tissue groove incision (112).

3. The orthopedic pathology extraction puncture needle according to claim 1, characterized in that: the tissue groove cut (112) is provided with a tissue groove (113) towards the end of the conical tip (111), and the tissue groove (113) is a D-shaped groove.

4. The orthopedic pathology extraction puncture needle according to claim 1, characterized in that: the outer pricking tube handle (22) is provided with an inner sleeve (221), the inner pricking tube handle (21) is provided with an outer sleeve (211), and the outer pricking tube handle (22) and the inner pricking needle handle (21) are connected through the inner sleeve (221) and the outer sleeve (211).

5. A puncture needle for orthopedic pathology according to claims 1 and 4, characterized in that: an ejection device (23) is connected between the inner sleeve (221) and the outer sleeve (211), and the ejection device (23) provides outward tension for the inner puncture needle (11).

6. The orthopedic pathology extraction puncture needle according to claim 1, characterized in that: the front end of the outer puncture tube (12) is closely contacted with the inner puncture needle (11) and cuts off the sampled pathological tissues when the ejection device (23) acts.

7. The orthopedic pathology extraction puncture needle according to claim 1, characterized in that: the lower end of the outer puncturing tube handle (22) is designed to be a circular arc, and the contact part of the outer puncturing tube handle (22) and the inner puncturing needle handle (21) is in circular arc contact.