CN215821006U

CN215821006U - Disposable negative pressure biopsy needle that endocrinology department used

Info

Publication number: CN215821006U
Application number: CN202122270966.5U
Authority: CN
Inventors: 王鸿程; 王伟; 胡敏; 岳仙娟; 李戈; 王斌; 来沙沙; 刘瑛; 杨小龙; 马荣荣
Original assignee: Xi'an Ruopu Technology Co ltd
Current assignee: Xi'an Ruopu Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-15
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a disposable negative pressure biopsy needle for endocrinology department, belonging to the technical field of biopsy needles. This disposable negative pressure biopsy needle that endocrinology used, through setting up the connecting rod, pull the piece right earlier, the second spout drives fixed plate and connecting rod removal, drive first fixed block and dead lever in the connecting rod moves, place the thumb between first fixture block and second fixture block, drive the second fixture block under the spring action of spring, make the spacing groove press from both sides the thumb tightly, this mode has prevented that the left hand from taking place to slide in operation, thereby the effectual needle tubing of having avoided takes place to deviate and lead to the sample inaccurate and enlarge the possibility emergence of wound, the safety in utilization has been improved, thereby be convenient for people to use.

Description

Disposable negative pressure biopsy needle that endocrinology department used

Technical Field

The utility model belongs to the technical field of biopsy needles, and particularly relates to a disposable negative pressure biopsy needle for endocrinology department.

Background

A biopsy needle is a medical instrument used for sampling living tissues of pyramidal tumors, unknown tumors, and the like of various organs such as kidney, liver, lung, breast, thyroid, prostate, pancreas, testis, uterus, ovary, body surface, and the like, and sucking cells, and the like. However, the conventional negative pressure biopsy needle is usually operated in such a way that the upper surface and the lower surface of the biopsy needle body are supported by the left hand, the needle tube is pushed by the right hand through the clamping ring, so that the needle tube is inserted into the body of a patient, and if the left hand slides in the operation, the needle tube is likely to deviate, so that the sampling is not accurate, the wound is increased, the risk of infection is increased, and the biopsy needle is not beneficial to use by people.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the utility model provides a disposable negative pressure biopsy needle for endocrinology department, which solves the problems that the conventional operation mode of the negative pressure biopsy needle is that the left hand supports the upper surface and the lower surface of a biopsy needle body, the right hand pushes a needle tube through a clamping ring to insert the needle tube into the body of a patient, and if the left hand slides in the operation, the needle tube is possibly deviated, so that the sampling is not accurate, the wound is enlarged, the infection risk is increased, and the use by people is not facilitated.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a disposable negative pressure biopsy needle that endocrinology department used, includes the biopsy needle body, the first fixture block of last fixed surface of biopsy needle body, the upper surface of biopsy needle body is provided with the second fixture block, this internal fixedly connected with interlayer board of biopsy needle, two first spouts have been seted up to the upper surface of biopsy needle body, this internal two dead levers that are provided with of biopsy needle, the lower fixed surface that first spout and second fixture block were passed on the top of dead lever is connected, this internal first fixed block that is provided with of biopsy needle, the lower surface of two dead levers and the upper fixed surface of same first fixed block are connected, this internal two sliders that are provided with of biopsy needle, the one end that two sliders are relative respectively with the front and the back fixed connection of first fixed block.

This internal connecting rod that is provided with of biopsy needle, the left end of connecting rod and the right flank fixed connection of first fixed block, this internal piece that draws of biopsy needle, the right-hand member of connecting rod and the left surface fixed connection who draws the piece, this internal two fixed plates that are provided with of biopsy needle, the opposite face of two fixed plates respectively with the left surface and the right flank fixed connection who draw the piece, draw the upper surface overlap joint of the upper surface of piece and biopsy needle body inner wall.

As a further scheme of the utility model: a second sliding groove is formed in the upper surface of the biopsy needle body, and the top end of the pull block is connected with the second sliding groove in a sliding mode.

As a further scheme of the utility model: the biopsy needle body is internally provided with a spring, and the left end of the spring is fixedly connected with the right side surface of the pulling block.

As a further scheme of the utility model: a second fixing block is arranged in the biopsy needle body, and the upper surface and the lower surface of the second fixing block are fixedly connected with the upper surface of the inner wall of the biopsy needle body and the upper surface of the interlayer plate respectively.

As a further scheme of the utility model: the right-hand member of spring and the left surface fixed connection of second fixed block, the equal fixedly connected with spacing groove of opposite face of first fixture block and second fixture block.

As a further scheme of the utility model: the surface of biopsy needle body is provided with two snap rings, and the opposite face of two snap rings respectively with the front and the back fixed connection of biopsy needle body.

As a further scheme of the utility model: the right side face of the biopsy needle body is provided with a push rod, the lower surface of the biopsy needle body is fixedly connected with a supporting block, the left side face of the biopsy needle body is provided with a needle tube, and the right end of the needle tube is clamped with the left side face of the biopsy needle body.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the disposable negative pressure biopsy needle for endocrinology department is provided with the connecting rod, the pulling block, the fixing plate, the spring and the second fixing block, when a patient needs to be sampled, the pulling block is pulled rightwards firstly, the fixing plate and the connecting rod are driven to move through the second chute, the first fixing block and the fixing rod are driven in the movement of the connecting rod, the second clamping block of the fixing rod moves rightwards, then a thumb is placed between the first clamping block and the second clamping block, then the pulling block is loosened, the second clamping block is driven under the elastic action of the spring, so that the thumb is clamped by the limiting groove, in the mode, the connecting rod, the fixing rod and the second clamping block are driven by pulling the pulling block, the thumb is clamped by the elastic force of the spring after a hand is placed at a proper position, the sliding of a left hand in operation is prevented, and the possibility of inaccurate sampling and wound expansion caused by the deviation of a needle tube is effectively avoided, the use safety is improved, thereby being convenient for people to use.

2. This disposable negative pressure biopsy needle that endocrinology used through setting up the fixed plate, thereby drives the connecting rod through pulling the fixed plate right, and the fixed plate moves right simultaneously, and its fixed plate has the effect that the check kept off to effectually avoided great impurity to carry out biopsy needle through the second spout originally internally, and lead to the impaired condition of biopsy needle body inner structure to take place.

3. This disposable negative pressure biopsy needle that endocrinology used, through setting up the slider, the connecting rod drives first fixed block and moves to the right in moving, and the slider slides along the spacing groove simultaneously, and its slider has the spacing effect of direction to the effectual first fixed block of having avoided takes place to deviate or rock in moving.

Drawings

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

FIG. 2 is a schematic three-dimensional structure of a first fixing block according to the present invention;

FIG. 3 is a front view of a cross-sectional structure of the biopsy needle body of the present invention;

FIG. 4 is a schematic perspective view of a snap ring according to the present invention;

in the figure: the biopsy needle comprises a biopsy needle body 1, a first clamping block 2, a second clamping block 3, a interlayer plate 4, a first sliding groove 5, a fixing rod 6, a first fixing block 7, a sliding block 8, a connecting rod 9, a pulling block 10, a fixing plate 11, a spring 12, a second fixing block 13, a second sliding groove 14, a limiting groove 15, a clamping ring 16, a push rod 17, a supporting block 18 and a needle tube 19.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: a disposable negative pressure biopsy needle for endocrinology department comprises a biopsy needle body 1, wherein a first clamping block 2 is fixedly connected to the upper surface of the biopsy needle body 1, a second clamping block 3 is arranged on the upper surface of the biopsy needle body 1, a interlayer plate 4 is fixedly connected in the biopsy needle body 1, two first sliding grooves 5 are formed in the upper surface of the biopsy needle body 1, the first sliding grooves 5 limit the first sliding grooves 5, the shape of the first sliding grooves 5 is matched with that of fixing rods 6, so that the second clamping block 3 is effectively prevented from shaking in moving, two fixing rods 6 are arranged in the biopsy needle body 1, the top ends of the fixing rods 6 penetrate through the first sliding grooves 5 to be fixedly connected with the lower surface of the second clamping block 3, a first fixing block 7 is arranged in the biopsy needle body 1, the lower surfaces of the two fixing rods 6 are fixedly connected with the upper surface of the same first fixing block 7, two sliders 8 are arranged in the biopsy needle body 1, the sliders 8 have guiding functions through the sliders 8, so that the situation that the first fixing block 7 deviates in moving is effectively avoided, and one ends, opposite to the two sliders 8, of the first fixing block 7 are fixedly connected with the front face and the back face of the first fixing block 7 respectively.

This internal connecting rod 9 that is provided with of biopsy needle, the left end of connecting rod 9 and the right flank fixed connection of first fixed block 7, this internal piece 10 that draws that is provided with of biopsy needle, the right-hand member of connecting rod 9 and the left flank fixed connection who draws piece 10, this internal two fixed plates 11 that are provided with of biopsy needle, through setting up fixed plate 11, its fixed plate 11 has the effect of separation, thereby effectually prevented that external great impurity from getting into biopsy needle body 1 inside, and lead to the inside condition that takes place the card pause of biopsy needle body 1, the opposite face of two fixed plates 11 respectively with the left surface and the right flank fixed connection who draws piece 10, the upper surface overlap joint of the upper surface of drawing piece 10 and the 1 inner wall of biopsy needle body.

Specifically, as shown in fig. 1, a second chute 14 is formed in the upper surface of the biopsy needle body 1, the top end of the pull block 10 is slidably connected to the second chute 14, two snap rings 16 are arranged on the outer surface of the biopsy needle body 1, opposite surfaces of the two snap rings 16 are respectively fixedly connected to the front surface and the back surface of the biopsy needle body 1, a spring 12 is arranged in the biopsy needle body 1, and the left end of the spring 12 is fixedly connected to the right side surface of the pull block 10.

Specifically, as shown in fig. 3, be provided with second fixed block 13 in the biopsy needle body 1, the upper surface and the lower surface of second fixed block 13 respectively with the upper surface of biopsy needle body 1 inner wall and the upper surface fixed connection of interlayer board 4, the right-hand member of spring 12 and the left surface fixed connection of second fixed block 13, the equal fixedly connected with spacing groove 15 of the opposite face of first fixture block 2 and second fixture block 3, through setting up spacing groove 15, the dull polish texture that has and elasticity of its spacing groove 15 surface, thereby the effectual gliding condition of thumb emergence after the centre gripping of having avoided.

Specifically, as shown in fig. 4, the right side of the biopsy needle body 1 is provided with a push rod 17, the lower surface of the biopsy needle body 1 is fixedly connected with a supporting block 18, the supporting block 18 is arranged, the supporting block 18 is made of a frosted material, so that the tightness of the fit between the forefinger and the forefinger is increased, the forefinger is more stable during pressing, the left side of the biopsy needle body 1 is provided with a needle tube 19, and the right end of the needle tube 19 is clamped with the left side of the biopsy needle body 1.

The working principle of the utility model is as follows:

when a patient needs to be sampled, the pull block 10 is pulled rightwards, the fixed plate 11 and the connecting rod 9 are driven to move through the second sliding groove 14, the first fixed block 7 and the fixed rod 6 are driven in the movement of the connecting rod 9, meanwhile, the sliding block 8 slides along the limiting groove 15, the second fixture block 3 is driven to move rightwards through the first sliding groove 5 in the movement of the fixed rod 6, then, the thumb is placed between the first fixture block 2 and the second fixture block 3, the forefinger and the supporting block 18 are kneaded, then, the pull block 10 is loosened, the second fixed block 13 is pushed under the elastic action of the spring 12, the connecting rod 9 and the fixed rod 6 are driven, the thumb is clamped by the limiting groove 15, the forefinger and the middle finger are placed between the clamping rings 16 in operation, the needle tube 19 is inserted into the patient by pushing the biopsy needle body 1, and then, the push rod 17 is pressed, and sampling is carried out.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A disposable negative pressure biopsy needle that endocrinology used, includes biopsy needle body (1), its characterized in that: a first clamping block (2) is fixedly connected with the upper surface of the biopsy needle body (1), a second clamping block (3) is arranged on the upper surface of the biopsy needle body (1), a interlayer plate (4) is fixedly connected in the biopsy needle body (1), two first sliding chutes (5) are arranged on the upper surface of the biopsy needle body (1), two fixing rods (6) are arranged in the biopsy needle body (1), the top ends of the fixing rods (6) penetrate through the first sliding chute (5) to be fixedly connected with the lower surface of the second clamping block (3), a first fixed block (7) is arranged in the biopsy needle body (1), the lower surfaces of the two fixed rods (6) are fixedly connected with the upper surface of the same first fixed block (7), two sliding blocks (8) are arranged in the biopsy needle body (1), and one ends, opposite to the two sliding blocks (8), are fixedly connected with the front surface and the back surface of the first fixing block (7) respectively;

be provided with connecting rod (9) in biopsy needle body (1), the left end of connecting rod (9) and the right flank fixed connection of first fixed block (7), be provided with in biopsy needle body (1) and draw piece (10), the right-hand member of connecting rod (9) and the left surface fixed connection who draws piece (10), be provided with two fixed plates (11) in biopsy needle body (1), the opposite face of two fixed plates (11) respectively with the left surface and the right flank fixed connection who draw piece (10), the upper surface of drawing piece (10) and the upper surface overlap joint of biopsy needle body (1) inner wall.

2. The disposable negative pressure biopsy needle for endocrinology department according to claim 1, characterized in that: a second sliding groove (14) is formed in the upper surface of the biopsy needle body (1), and the top end of the pull block (10) is connected with the second sliding groove (14) in a sliding mode.

3. The disposable negative pressure biopsy needle for endocrinology department according to claim 2, characterized in that: a spring (12) is arranged in the biopsy needle body (1), and the left end of the spring (12) is fixedly connected with the right side face of the pull block (10).

4. The disposable negative pressure biopsy needle for endocrinology department according to claim 3, characterized in that: a second fixing block (13) is arranged in the biopsy needle body (1), and the upper surface and the lower surface of the second fixing block (13) are fixedly connected with the upper surface of the inner wall of the biopsy needle body (1) and the upper surface of the interlayer plate (4) respectively.

5. The negative pressure biopsy needle for disposable use of endocrinology department according to claim 4, wherein: the right-hand member of spring (12) and the left surface fixed connection of second fixed block (13), the equal fixedly connected with spacing groove (15) of opposite face of first fixture block (2) and second fixture block (3).

6. The disposable negative pressure biopsy needle for endocrinology department according to claim 1, characterized in that: the outer surface of the biopsy needle body (1) is provided with two snap rings (16), and the opposite surfaces of the two snap rings (16) are fixedly connected with the front surface and the back surface of the biopsy needle body (1) respectively.

7. The disposable negative pressure biopsy needle for endocrinology department according to claim 1, characterized in that: the right side face of the biopsy needle body (1) is provided with a push rod (17), the lower surface of the biopsy needle body (1) is fixedly connected with a supporting block (18), the left side face of the biopsy needle body (1) is provided with a needle tube (19), and the right end of the needle tube (19) is clamped with the left side face of the biopsy needle body (1).