CN211187363U

CN211187363U - Tumor puncture biopsy device

Info

Publication number: CN211187363U
Application number: CN201922117041.XU
Authority: CN
Inventors: 付明娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-07
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a tumor puncture biopsy device, which comprises a connecting pipe, wherein the left side wall surface of the connecting pipe is communicated with a puncture needle, the inside of the connecting pipe is provided with a left side wall surface assembled with a fixed plate, the inside of the connecting pipe is slidably assembled with a movable plate matched with the inner wall of the connecting pipe, the fixed plate is connected with the movable plate through an elastic part, a movable rod penetrates through the movable plate, the movable plate is fixedly connected with the movable rod, and the fixed plate is provided with a through hole, the tumor puncture biopsy device has simple structure and novel design, can automatically pull out a tumor puncture needle from a tumor, is very convenient to use, and when the puncture needle is pulled out outwards, the tumor is recovered into the puncture needle, so that the tumor tissue on the tumor puncture needle touches healthy tissue to make tumor cells transfer when the puncture needle is pulled out in, causing harm to the patient.

Description

Tumor puncture biopsy device

Technical Field

The utility model relates to the technical field of medical supplies, specifically a tumor puncture biopsy device.

Background

Needle biopsy is the main method for obtaining pathological diagnosis of tissues from bone and soft tissue tumors. The tumor puncture biopsy device is mainly inserted into a patient body through a puncture needle, is punctured into a tumor through the tumor puncture needle, is used for sampling, generally needs medical staff to manually pull the tumor puncture needle out of the tumor, and is quite inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tumour aspiration biopsy device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tumour puncture biopsy device, it includes the connecting pipe, connecting pipe left side wall intercommunication has the pjncture needle, the inside assembly of connecting pipe has the left side wall to be equipped with the fixed plate, the inside slip of connecting pipe is equipped with the fly leaf that matches with the connecting pipe inner wall, be connected through the elastic component between fixed plate and the fly leaf, it has the movable rod to run through on the fly leaf, fly leaf and movable rod fixed connection, the through-hole has been seted up on the fixed plate, through-hole and pjncture needle intercommunication, the movable rod left end passes in the through-hole enters into the pjncture needle, movable rod and fixed plate sliding connection, the movable rod enters into pjncture needle the inner and is connected with the tumour felting needle, connecting pipe right side wall is worn.

Preferably, the connecting pipe is uniformly provided with vent holes along the annular wall surface, and the vent holes are close to the puncture needle.

Preferably, the elastic member is a spring.

Preferably, a protection pad is mounted on the pressing plate.

Preferably, a supporting part is fixedly sleeved at the right end of the movable rod and is in supporting connection with the right side wall surface of the inner cavity of the connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: this tumour puncture biopsy device simple structure, the modern design can be pulled out the tumour felting needle from the tumour automatically, and it is very convenient to use to when outwards pulling out the pjncture needle, the tumour felting needle is retrieved in the pjncture needle, avoids when the pjncture needle is pulled out in the patient body, and the tumour tissue on the tumour felting needle touches healthy tissue, makes the tumour cell take place to shift, causes the injury to the patient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1-connecting tube, 2-puncture needle, 3-fixed plate, 4-movable plate, 5-elastic piece, 6-movable rod, 7-through hole, 8-tumor puncture needle, 9-pressing plate, 10-vent hole, 11-protection pad and 12-contact piece.

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, the present invention provides a technical solution: the utility model provides a tumour puncture biopsy device, it includes connecting pipe 1, 1 left side wall intercommunication of connecting pipe has pjncture needle 2, 1 internally mounted of connecting pipe has left side wall to be equipped with fixed plate 3, 1 internally mounted of connecting pipe slides and is equipped with fly leaf 4 that matches with 1 inner wall of connecting pipe, be connected through elastic component 5 between fixed plate 3 and the fly leaf 4, it has movable rod 6 to run through on the fly leaf 4, fly leaf 4 and 6 fixed connection of movable rod, through-hole 7 has been seted up on the fixed plate 3, through-hole 7 and pjncture needle 2 intercommunication, 6 left ends of movable rod pass through-hole 7 and enter into in pjncture needle 2, 6 and 3 sliding connection of fixed plate of movable rod, 6 the inner that enters into pjncture needle 2 is connected with tumour felting needle 8, 1 right side wall of connecting pipe is.

Specifically, the connecting tube 1 is provided with vent holes 10 along the annular wall surface, and the vent holes 10 are close to the puncture needle 2.

Specifically, the elastic member 5 is specifically a spring.

Specifically, the pressing plate 9 is provided with a protection pad 11.

Specifically, the right end of the movable rod 6 is fixedly sleeved with a contact piece 12, and the contact piece 12 is in contact connection with the right side wall surface of the inner cavity of the connecting pipe 1.

The working principle is as follows: when in use, a medical staff holds the connecting pipe 1, the puncture needle 2 is inserted into the body of a patient through the super-fit with the b, the puncture needle 2 is close to a tumor, the pressing plate 9 is pressed, the pressing plate 9 moves to drive the movable rod 6 to move, the movable plate 4 moves along with the movable rod, the movable rod 6 moves to enable the tumor puncture needle 8 on the movable rod 6 to penetrate out of the puncture needle 2 and to be inserted into the tumor, the elastic piece 5 is in a compression state at the moment, then the pressing plate 9 is loosened, the movable plate 4 is pushed to return to the original position under the action of the elastic piece 5, the movable rod 6 is fixedly connected with the movable plate 4, the movable plate 4 resets to drive the movable rod 6 to reset, so that the tumor puncture needle 8 is pulled out of the tumor, the tumor puncture needle 8 is recovered into the puncture needle 2, then the puncture needle 2 is pulled out of the body of the patient, finally the tumor puncture needle 8 is washed through sterile physiological, the air vent 10 arranged on the connecting pipe 1 ensures that the air pressure in the pipe is the same as that outside the pipe, the movable plate 4 can move in the connecting pipe 1 conveniently, the contact piece 12 is clamped on the right side wall surface of the connecting pipe 1, the tumor pricking pin 8 is prevented from moving rightwards and entering the connecting pipe 1, and the extract on the tumor pricking pin 8 is prevented from leaking into the connecting pipe 1 unintentionally and polluting the internal environment of the connecting pipe 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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.

Claims

1. The utility model provides a tumour aspiration biopsy device, its characterized in that, it includes connecting pipe (1), connecting pipe (1) left side wall intercommunication has pjncture needle (2), connecting pipe (1) internal assembly has left side wall to be equipped with fixed plate (3), connecting pipe (1) internal sliding is equipped with fly leaf (4) with connecting pipe (1) inner wall matching, be connected through elastic component (5) between fixed plate (3) and fly leaf (4), it has movable rod (6) to run through on fly leaf (4), fly leaf (4) and movable rod (6) fixed connection, through-hole (7) have been seted up on fixed plate (3), through-hole (7) and pjncture needle (2) intercommunication, movable rod (6) left end passes through-hole (7) and enters into pjncture needle (2) in, movable rod (6) and fixed plate (3) sliding connection, the inner end of the movable rod (6) entering the puncture needle (2) is connected with a tumor puncture needle (8), the right end of the movable rod (6) penetrates out of the right side wall surface of the connecting pipe (1), and the end of the movable rod (6) penetrating out of the right side wall surface of the connecting pipe (1) is provided with a pressing plate (9).

2. The tumor biopsy puncture device according to claim 1, wherein the connecting tube (1) has vent holes (10) uniformly opened along the annular wall surface, and the vent holes (10) are close to the puncture needle (2).

3. Tumor biopsy arrangement according to claim 1, wherein the resilient member (5) is embodied as a spring.

4. A tumor biopsy arrangement according to claim 1, wherein the pressing plate (9) is provided with a protective pad (11).

5. The biopsy device according to claim 1, wherein a contact element (12) is fixedly mounted at the right end of the movable rod (6), and the contact element (12) is in interference connection with the right wall surface of the inner cavity of the connecting tube (1).