CN211022796U

CN211022796U - Brain tumor sampling device

Info

Publication number: CN211022796U
Application number: CN201921446486.6U
Authority: CN
Inventors: 杨渊; 毛庆; 李羽
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-07-17
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a brain tumor sampling device, which belongs to the field of tumor sampling devices, and comprises a needle handle, the lower end of the needle handle is fixedly connected with an opening sampling needle, the opening part of the opening sampling needle is provided with a cutting piece, a U-shaped channel is chiseled on the opening sampling needle, the cutting piece is connected in the inner part of a pair of U-shaped channels in a sliding way, the upper end of the cutting piece is fixedly connected with a push plate, a convex slideway is chiseled on the needle handle, the convex slideway comprises a lower slideway and an upper slideway, the upper slideway is positioned at the upper side of the lower slideway, the lower slideway is communicated with the U-shaped channel, the cutting piece is matched with the lower slideway, the push plate is connected in the upper slideway in a sliding way, the utility model can realize rapid sampling by matching the needle handle, the opening sampling needle, the cutting piece, the push plate, the U-shaped channel and the convex slideway, and, thereby leading the doctor to finish the brain tumor sampling work with high efficiency.

Description

Brain tumor sampling device

Technical Field

The utility model relates to a tumour sampling device field, more specifically say, relate to a brain tumour sampling device.

Background

The tumor is a new organism formed by local histiocyte proliferation of an organism under the action of various tumorigenic factors, and the new organism is mostly in an occupied block-shaped bulge, also called a neoplasm, so that the tumor needs to be sampled and analyzed before a tumor patient is treated, and the tumor is well subjected to symptomatic medicine administration.

The current two popular ways are that one way is to take samples directly by a scalpel, but the method has large wound and is easy to bring pain to patients; another method is to use a needle to pierce into the tumor for cutting, and then take out the cut sample through the puncture needle, which has the advantage of small wound, but the existing device has disadvantages: in the taking-out process, the sample easily slides downwards along the needle wall in the puncture needle and falls off, so that sampling failure is caused, the working difficulty is increased for doctors, and the working efficiency of the doctors is reduced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims at providing a brain tumour sampling device, it uses through needle handle, opening sampling needle, cutting piece, push pedal, U type passageway and convex slide's cooperation and can realize taking a sample fast, and at the sampling in-process, the difficult emergence of sample drops to make the doctor can accomplish brain tumour sample work with high efficiency.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A brain tumor sampling device, which comprises a needle handle, wherein the lower end of the needle handle is fixedly connected with an opening sampling needle, the opening of the opening sampling needle is provided with a cutting piece, the opening sampling needle is provided with a U-shaped channel, the cutting blade is connected inside the pair of U-shaped channels in a sliding manner, the upper end of the cutting blade is fixedly connected with a push plate, the needle handle is provided with a convex slideway, the convex slideway comprises a lower slideway and an upper slideway, the upper slide is positioned at the upper side of the lower slide, the lower slide is communicated with the U-shaped channel, the cutting blade is matched with the lower slide, the push plate is connected with the inside of the upper sliding part in a sliding way, the utility model can realize rapid sampling through the matching use of the needle handle, the open sampling needle, the cutting blade, the push plate, the U-shaped channel and the convex slideway, and in the sampling process, the sample is not easy to fall off, so that the doctor can efficiently finish the brain tumor sampling work.

Furthermore, the upper end of the push plate is fixedly connected with a finger-pressing plate, the finger-pressing plate is positioned on the upper side of the needle handle, and the cutting blade and the push plate move downwards to cut the brain tumor tissue by manually pressing the finger-pressing plate.

Further, it has all dug the draw-in groove to go up gliding a pair of inner wall, the equal fixedly connected with rubber fixture block of a pair of side of push pedal, the position of push pedal can be fixed through draw-in groove and rubber fixture block with the draw-in groove phase-match to rubber fixture block.

Furthermore, opening sampling needle includes the awl head and extends a section of thick bamboo, awl head fixed connection is in the lower extreme that extends a section of thick bamboo, and the awl head can conveniently pierce the brain tumor tissue in, makes the brain tumor tissue get into the awl head and extend the inboard of a section of thick bamboo.

Furthermore, the outer end fixedly connected with needle file of needle handle can conveniently be handed the needle handle through the needle file and carry out one-hand sample work.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme uses through needle handle, opening sample needle, cutting piece, push pedal, U type passageway and convex slide's cooperation and can realize taking a sample fast, and at the sample in-process, the difficult emergence of sample drops to make the doctor can accomplish brain tumour sample work high-efficiently.

(2) The upper end of the push plate is fixedly connected with a finger-pressing plate, the finger-pressing plate is positioned on the upper side of the needle handle, and the cutting blade and the push plate move downwards to cut the brain tumor tissue by manually pressing the finger-pressing plate.

(3) Go up gliding a pair of inner walls and all cut a draw-in groove, the equal fixedly connected with rubber fixture block of a pair of side of push pedal, rubber fixture block and draw-in groove phase-match can fix the position of push pedal through draw-in groove and rubber fixture block.

(4) The opening sampling needle comprises a needle cone head and an extension cylinder, the needle cone head is fixedly connected to the lower end of the extension cylinder, and the needle cone head can be conveniently inserted into brain tumor tissues to enable the brain tumor tissues to enter the inner sides of the needle cone head and the extension cylinder.

(5) The outer end of the needle handle is fixedly connected with a needle seat, and the needle handle can be conveniently taken by hand through the needle seat so as to carry out one-hand sampling work.

Drawings

Fig. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a schematic side view of the present invention after being disassembled;

fig. 5 is a schematic side view of the present invention;

fig. 6 is a perspective view of the open sampling needle of the present invention.

The reference numbers in the figures illustrate:

1 needle handle, 2 opening sampling needles, 201 needle conical head, 202 extending cylinder, 3 cutting piece, 4 push plate, 5U-shaped channel, 6 convex slideway, 601 lower slideway, 602 upper sliding, 7 needle seat, 8 finger pressing plate, 9 clamping groove and 10 rubber clamping block.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a brain tumor sampling device includes a needle handle 1, an open sampling needle 2 is fixedly connected to a lower end of the needle handle 1, a cutting blade 3 is disposed at an opening of the open sampling needle 2, referring to fig. 2, a U-shaped channel 5 is cut on the open sampling needle 2, the cutting blade 3 is slidably connected to an inside of the pair of U-shaped channels 5, referring to fig. 3, an upper end of the cutting blade 3 is fixedly connected to a push plate 4, and a convex slideway 6 is cut on the needle handle 1, referring to fig. 4, the convex slideway 6 includes a lower slideway 601 and an upper sliding 602, the upper sliding 602 is located on an upper side of the lower slideway 601, the lower slideway 601 is communicated with the U-shaped channel 5, the cutting blade 3 is matched with the lower slideway 601, and the push plate 4 is slidably connected to an inside of the upper.

Referring to fig. 4, a pair of inner walls of the upper slide 602 are both cut with a slot 9, a pair of side ends of the push plate 4 are both fixedly connected with a rubber fixture block 10, the rubber fixture block 10 is matched with the slot 9, and the position of the push plate 4 can be fixed through the slot 9 and the rubber fixture block 10.

Referring to fig. 6, the open-ended sampling needle 2 includes a needle cone head 201 and an extension cylinder 202, the needle cone head 201 is fixedly connected to the lower end of the extension cylinder 202, and the needle cone head 201 can be conveniently inserted into the brain tumor tissue, so that the brain tumor tissue enters the inner sides of the needle cone head 201 and the extension cylinder 202.

Referring to fig. 2, a finger-pressure plate 8 is fixedly connected to the upper end of the push plate 4, the finger-pressure plate 8 is located on the upper side of the needle handle 1, the cutting blade 3 and the push plate 4 are moved downwards to cut brain tumor tissue by manually pressing the finger-pressure plate 8, a needle seat 7 is fixedly connected to the outer end of the needle handle 1, and the needle handle 1 can be conveniently taken by hand through the needle seat 7, so that one-hand sampling work can be performed.

The utility model discloses a cooperation of needle handle 1, opening sampling needle 2, cutting piece 3, push pedal 4, U type passageway 5 and convex slide 6 is used and can be realized taking a sample fast, and at the sampling in-process, the difficult emergence of sample drops to make the doctor can accomplish brain tumour sample work high-efficiently.

Before use, medical staff first make hands and wear mask gloves to sterilize instruments and other preparation works; during the use, please refer to fig. 3, move the push pedal 4 upwards until the rubber fixture block 10 card goes into draw-in groove 9, position with push pedal 4 and cutting piece 3 is fixed, then the doctor holds cutting piece 3 and pierces opening sampling needle 2 into patient's brain tumor tissue, in the process of stabbing, brain tumor tissue can get into the inboard of opening sampling needle 2, then the finger pushes down finger pressing board 8, make cutting piece 3 cut brain tumor tissue downwards, the brain tumor tissue of cutting is deposited in the closed cavity that opening sampling needle 2 and cutting piece 3 constitute, it can to take out opening sampling needle 2 from patient's brain tumor tissue afterwards.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A brain tumour sampling device, includes needle handle (1), its characterized in that: lower extreme fixedly connected with opening sample needle (2) of needle handle (1), the opening part of opening sample needle (2) is equipped with cutting piece (3), it has U type passageway (5) to open on opening sample needle (2), cutting piece (3) sliding connection is in the inside of a pair of U type passageway (5), the upper end fixedly connected with push pedal (4) of cutting piece (3), it has convex slide (6) to open on needle handle (1), convex slide (6) are including glide slope (601) and last slip (602), and go up the upside that slip (602) are located glide slope (601), glide slope (601) communicate with each other with U type passageway (5), cutting piece (3) and glide slope (601) phase-match, push pedal (4) sliding connection is in the inside of last slip (602).

2. The brain tumor sampling device of claim 1, wherein: the upper end of the push plate (4) is fixedly connected with a finger-pressure plate (8), and the finger-pressure plate (8) is positioned on the upper side of the needle handle (1).

3. The brain tumor sampling device of claim 1, wherein: go up a pair of inner wall of slip (602) and all cut draw-in groove (9), the equal fixedly connected with rubber fixture block (10) of a pair of side of push pedal (4), rubber fixture block (10) and draw-in groove (9) phase-match.

4. The brain tumor sampling device of claim 1, wherein: the opening sampling needle (2) comprises a needle cone head (201) and an extension cylinder (202), wherein the needle cone head (201) is fixedly connected to the lower end of the extension cylinder (202).

5. The brain tumor sampling device of claim 1, wherein: the outer end of the needle handle (1) is fixedly connected with a needle seat (7).