CN212521852U

CN212521852U - Biopsy device for thoracic and lumbar vertebra

Info

Publication number: CN212521852U
Application number: CN202020642774.5U
Authority: CN
Inventors: 汪海洋; 陈彦文; 赵鹏
Original assignee: Shehong People's Hospital
Current assignee: Shehong People's Hospital
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-02-12
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a thoracic and lumbar vertebra biopsy device, which comprises an outer sheath structure, an outer sheath tube, a conduit structure, a conduit body, a puncture structure, a puncture needle, a biopsy structure, a biopsy working rod and a spiral section. The utility model has the advantages that: the puncture needle, the catheter body, the outer sheath tube and the biopsy working rod are matched for use, living tissues in a target area can be accurately cut and taken out of a body, the puncture needle needs to be used for percutaneous directional puncture of a vertebral body lesion through a vertebral pedicle under the guidance of perspective during operation, the target depth is determined at the same time, then the catheter body with the directional effect can be placed, the outer sheath tube is placed under the guidance of the catheter body, finally the puncture needle and the catheter body are taken out, the biopsy working rod is used for drilling into a preset depth under the guidance of the outer sheath tube and then is pulled out backwards or lightly knocked out, and the spiral section at one end of the biopsy working rod is used for effectively cutting the living tissues in the target area and taking out of the body, so that the taken tissues can be conveniently cleaned and sent for examination.

Description

Biopsy device for thoracic and lumbar vertebra

Technical Field

The utility model relates to a get biopsy ware specifically is a thoracic vertebra and lumbar vertebrae gets biopsy ware, belongs to biopsy ware technical field.

Background

Biopsy is a technique of taking a diseased tissue from a patient's body by cutting, clamping, puncturing, or the like, and performing pathological examination, which is called "biopsy" for short, surgical pathology examination, and is called "diagnosis and treatment". It is the most important part of the diagnosis pathology, and it can make clear histopathological diagnosis for most of the examined cases, and it is used as the final diagnosis in clinic. At present, the incidence rate of pathological thoracolumbar fractures is gradually high, and the pathological nature of the fractures is to be determined due to the deep position of the vertebral body, so the vertebral pedicle biopsy is commonly used clinically.

However, the existing biopsy taking tool which is used for minimally invasive and efficient biopsy taking of the pathological tissues of the vertebral body is not available at present, namely the existing biopsy taking tool can not effectively take the tissues.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a thoracic and lumbar vertebra biopsy device, which can utilize a special screw to ensure that the living tissue of the target area is cut and taken out of the body.

The utility model realizes the above purpose by the following technical proposal, and the thoracic and lumbar vertebra biopsy device comprises an outer sheath structure which comprises an outer sheath pipe; a catheter structure is connected inside the outer sheath in a sliding manner, and comprises a catheter body which is connected inside the outer sheath in a sliding manner; a puncture structure is connected inside the catheter body in a sliding manner, the puncture structure comprises a puncture needle, and the puncture needle is connected inside the catheter body in a sliding manner; the inside sliding connection of sheath pipe has gets the biopsy structure, get the biopsy structure including getting biopsy staff and helical segment, get biopsy staff sliding connection in the inside of sheath pipe the one end of getting biopsy staff is fixed the helical segment.

Preferably, for the convenience of hand holding, the outer sheath structure further comprises an outer sheath handle fixed on the outer part of the outer sheath tube.

Preferably, in order to facilitate the matching use, the outer sheath structure further comprises an outer sheath groove, and the outer sheath groove is arranged on the outer sheath handle.

Preferably, for the convenience of hand-holding, the catheter structure further comprises a catheter handle fixed to the outside of the catheter body.

Preferably, in order to facilitate the matching use, the catheter structure further comprises a catheter groove, and the catheter groove is arranged on the catheter handle.

Preferably, for the convenience of hand-holding, the puncture structure further comprises a puncture handle, and the puncture handle is fixed on the outer part of the puncture needle.

Preferably, in order to facilitate hand holding, the biopsy taking structure further comprises a biopsy taking handle fixed to the outside of the biopsy taking work rod.

Preferably, in order to ensure normal sliding, the inner diameter of the sheath is larger than the outer diameter of the catheter body, the inner diameter of the catheter body is larger than the outer diameter of the puncture needle, and the inner diameter of the sheath is larger than the outer diameter of the biopsy working rod.

The utility model has the advantages that: the utility model discloses a pjncture needle, the pipe body, the sheath pipe and get the cooperation of biopsy work pole and use, can be accurate surely get the regional living body tissue of target and take out of the body, promptly when the operation, need under the guide of perspective, the directional puncture through the sick focus of centrum of pedicle of vertebral arch is done with the pjncture needle skin, confirm the target depth simultaneously, then can put into directional effect's pipe body, then put into the sheath pipe under the pipe body guide, take out pjncture needle and pipe body at last, under the guide of sheath pipe, after going into predetermined degree of depth with getting biopsy work pole, extract or softly hit out backward, utilize the helical segment of getting biopsy work pole one end, can effectively surely get the regional living body tissue of target and take out of the body, from and be convenient for clear up the tissue of getting censorship.

Drawings

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

FIG. 2 is a schematic structural view of the catheter structure shown in FIG. 1;

FIG. 3 is a schematic structural view of the puncturing structure shown in FIG. 1;

FIG. 4 is a schematic view of an attachment configuration of the outer sheath configuration and biopsy taking configuration shown in FIG. 1;

FIG. 5 is a schematic structural view of the biopsy structure shown in FIG. 4.

In the figure: 1. sheath structure, 11, sheath tube, 12, sheath handle, 13, sheath groove, 2, catheter structure, 21, catheter body, 22, catheter handle, 23, catheter groove, 3, puncture structure, 31, puncture needle, 32, puncture handle, 4, biopsy taking structure, 41, biopsy taking working rod, 42, biopsy taking handle, 43 and spiral section.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a thoracolumbar biopsy device comprises a sheath structure 1, wherein the sheath structure 1 comprises a sheath tube 11; a catheter structure 2 is slidably connected inside the outer sheath 11, the catheter structure 2 comprises a catheter body 21, and the catheter body 21 is slidably connected inside the outer sheath 11; a puncture structure 3 is slidably connected inside the catheter body 21, the puncture structure 3 comprises a puncture needle 31, and the puncture needle 31 is slidably connected inside the catheter body 21; the biopsy structure 4 is slidably connected to the inside of the sheath tube 11, the biopsy structure 4 comprises a biopsy working rod 41 and a spiral section 43, the biopsy working rod 41 is slidably connected to the inside of the sheath tube 11, and the spiral section 43 is fixed to one end of the biopsy working rod 41.

As a technical optimization scheme of the present invention, the sheath structure 1 further includes a sheath handle 12, the sheath handle 12 is fixed to the outside of the sheath tube 11.

As a technical optimization scheme of the utility model, sheath structure 1 still includes sheath groove 13, sheath groove 13 is located sheath handle 12.

As a technical optimization scheme of the present invention, the catheter structure 2 further includes a catheter handle 22, the catheter handle 22 is fixed to the outside of the catheter body 21.

As a technical optimization of the present invention, the catheter structure 2 further includes a catheter groove 23, the catheter groove 23 is disposed on the catheter handle 22.

As a technical optimization scheme of the present invention, the puncture structure 3 further includes a puncture handle 32, the outside of the puncture needle 31 is fixed to the puncture handle 32.

As a technical optimization of the present invention, the biopsy structure 4 further comprises a biopsy handle 42, and the biopsy handle 42 is fixed to the outside of the biopsy operating rod 41.

As a technical optimization scheme of the present invention, the inner diameter of the sheath tube 11 is greater than the outer diameter of the catheter body 21, the inner diameter of the catheter body 21 is greater than the outer diameter of the puncture needle 31, the inner diameter of the sheath tube 11 is greater than the outer diameter of the biopsy operation rod 41.

The utility model discloses when using, through pjncture needle 31, catheter body 21, outer sheath pipe 11 and get the cooperation of biopsy work pole 41 and use, can be accurate surely get the regional living tissue of target and take out externally, promptly when the operation, need under the guide of perspective, the directional puncture through the sick focus of centrum of pedicle of vertebral arch is done with pjncture needle 31 percutaneous, confirm the target depth simultaneously, then can put into directional catheter body 21, then put into outer sheath pipe 11 under the guide of catheter body 21, take out pjncture needle 31 and catheter body 21 at last, under the guide of outer sheath pipe 11, after drilling predetermined degree of depth with getting biopsy work pole 41, extract backward or gently hit out, utilize the helical segment 43 of getting biopsy work pole 41 one end, can effectively surely get the regional living tissue of target and take out extracorporeally, thereby be convenient for the clearance tissue of getting censorely.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 thoracic vertebra and lumbar vertebra biopsy ware, includes sheath structure (1), its characterized in that: the sheath structure (1) comprises a sheath tube (11); a catheter structure (2) is connected inside the outer sheath (11) in a sliding manner, the catheter structure (2) comprises a catheter body (21), and the catheter body (21) is connected inside the outer sheath (11) in a sliding manner; a puncture structure (3) is connected inside the catheter body (21) in a sliding manner, the puncture structure (3) comprises a puncture needle (31), and the puncture needle (31) is connected inside the catheter body (21) in a sliding manner; the inside sliding connection of sheath pipe (11) has and gets biopsy structure (4), get biopsy structure (4) including getting biopsy work pole (41) and helical segment (43), get biopsy work pole (41) sliding connection in the inside of sheath pipe (11) get the one end of biopsy work pole (41) fixed helical segment (43).

2. The thoracolumbar biopsy instrument according to claim 1, wherein: the sheath structure (1) further comprises a sheath handle (12), and the sheath handle (12) is fixed outside the sheath tube (11).

3. The thoracolumbar biopsy instrument according to claim 2, wherein: the sheath structure (1) further comprises a sheath groove (13), and the sheath groove (13) is arranged on the sheath handle (12).

4. The thoracolumbar biopsy instrument according to claim 1, wherein: the catheter structure (2) further comprises a catheter handle (22), and the catheter handle (22) is fixed to the outside of the catheter body (21).

5. The thoracolumbar biopsy instrument according to claim 4, wherein: the catheter structure (2) further comprises a catheter groove (23), and the catheter groove (23) is arranged on the catheter handle (22).

6. The thoracolumbar biopsy instrument according to claim 1, wherein: the puncture structure (3) further comprises a puncture handle (32), and the puncture handle (32) is fixed outside the puncture needle (31).

7. The thoracolumbar biopsy instrument according to claim 1, wherein: the biopsy taking structure (4) further comprises a biopsy taking handle (42), and the biopsy taking handle (42) is fixed to the outer portion of the biopsy taking working rod (41).

8. The thoracolumbar biopsy instrument according to claim 1, wherein: the inner diameter of the outer sheath (11) is larger than the outer diameter of the catheter body (21), the inner diameter of the catheter body (21) is larger than the outer diameter of the puncture needle (31), and the inner diameter of the outer sheath (11) is larger than the outer diameter of the biopsy taking working rod (41).