CN216439234U

CN216439234U - Disposable biopsy needle for breast puncture

Info

Publication number: CN216439234U
Application number: CN202122464272.5U
Authority: CN
Inventors: 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: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-06
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a disposable biopsy needle for breast puncture, which belongs to the technical field of medical instruments and comprises a needle seat, wherein a movable groove is formed in the inner wall of the needle seat, the inner wall of the movable groove is connected with the outer surface of a trigger in a sliding manner, the left side surface of the trigger is mutually overlapped with the right end of a spring, the front surface and the back surface of the needle seat are respectively and mutually clamped with the opposite surfaces of two pushing rings, the inner wall of the movable groove is connected with the outer surface of a needle head in a sliding manner, the left side surface of the needle head is fixedly connected with the right side surface of a fixed block, the left side surface of the fixed block is fixedly connected with the right end of a needle core, and a needle tube is sleeved on the outer surface of the needle core. This a disposable biopsy needle for mammary gland puncture through setting up needle holder, stock chest, seal ring and needle tubing, has made things convenient for when being difficult to advance line location to this active needle, has made things convenient for and has right when taking a sample, has avoided the needle tubing to cause the influence because of receiving the effect and the efficiency of resistance bending to the puncture.

Description

Disposable biopsy needle for breast puncture

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a disposable biopsy needle for breast puncture.

Background

The biopsy needle is a medical instrument, be applicable to human multiple organ, can be used to the living tissue sample of cone tumour and unknown kind tumour etc., absorb the cell, it can dismantle to utilize outer needle, injectable hemostatic and treatment etc., current active needle is difficult to fix a position, it is unstable during the use, simultaneously, can't right when carrying out the puncture, receive the resistance easily and crooked, influence the effect and the efficiency of puncture, and can't fix a position when the puncture, can't in time judge whether the dislocation, influence the sample.

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 biopsy needle for breast puncture, which solves the problems that the existing active needle is difficult to position and unstable in use, cannot be righted in puncture, is easy to bend due to resistance, influences the effect and efficiency of puncture, cannot be positioned in puncture, cannot judge whether the needle is dislocated in time, and influences sampling.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a disposable biopsy needle for mammary gland puncture comprises a needle seat, wherein a movable groove is formed in the inner wall of the needle seat, the inner wall of the movable groove is connected with the outer surface of a trigger in a sliding manner, the left side face of the trigger is in lap joint with the right end of a spring, the front face and the back face of the needle seat are respectively in clamping connection with the opposite faces of two pushing rings, the inner wall of the movable groove is connected with the outer surface of a needle head in a sliding manner, the left side face of the needle head is fixedly connected with the right side face of a fixed block, the left side face of the fixed block is fixedly connected with the right end of a needle core, a needle tube is sleeved on the outer surface of the needle core, a needle holder is sleeved on the outer surface of the needle head, a mounting groove is formed in the inner wall of the needle holder, a through hole is formed in the inner wall of the needle holder, a fixing groove is formed in the right side face of the needle holder, and the inner wall of the fixing groove is in clamping connection with the outer surface of the fixed block, the inner wall of the needle holder is provided with a storage tank, the left side face of the needle holder is fixedly connected with the right side face of the printing ring, and the right side face of the printing ring is communicated with the inner wall of the storage tank.

As a further scheme of the utility model: the outer surface of the trigger is provided with a plurality of anti-slip lines.

As a further scheme of the utility model: the outer surfaces of the needle seat and the trigger are both provided with a clamping groove, and the inner wall of the clamping groove is connected with the outer surface of the clamping block in a sliding mode.

As a further scheme of the utility model: the left surface and the right flank of needle file have all seted up the spout, the inner wall of spout and the surface sliding connection of slider, the surface of needle file passes through the spout and two opposite face sliding connection who promotes the ring, the inner wall that promotes the ring and the mutual joint of surface of bail, the inner wall that promotes the ring passes through the mutual joint of surface of bail and needle file.

As a further scheme of the utility model: the inner wall of the needle holder is fixedly connected with the outer surface of the protective sleeve, and the inner wall of the protective sleeve is connected with the outer surface of the needle tube in a sliding mode through the through hole.

As a further scheme of the utility model: the inner wall of the storage tank is clamped with the outer surface of the sealing plug.

As a further scheme of the utility model: the left side surface of the needle holder is fixedly connected with the right side surface of the blood sucking pad.

Advantageous effects

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

1. this a disposable biopsy needle for mammary gland puncture, through setting up needle holder, the stock chest, seal ring and needle tubing, medical personnel take the fixture block out from the draw-in groove inner wall, medical personnel stir needle holder and patient skin contact afterwards, after needle holder and patient skin contact, the seal ring is with the inside disinfection medicine watermark of stock chest in patient skin top, medical personnel aim at the seal of disinfection liquid medicine with the needle tubing afterwards, two fingers are withheld the propelling movement ring after that, the thumb is pressed the inside spring of trigger promotion movable groove, promote the messenger needle tubing at the inside removal of through-hole with the needle tubing left after the spring operation, drive needle tubing and nook closing member at last and prick patient's skin and take a sample, when having made things convenient for and being difficult to go on the location to this active needle, the convenience is righted when taking a sample, avoided the needle tubing to cause the influence because of the crooked effect and the efficiency of receiving the resistance to the puncture.

2. This a disposable biopsy needle for mammary gland puncture, through setting up the fixture block, fluting and needle file, medical personnel insert the fixture block in the draw-in groove, thereby fix needle file and trigger, medical personnel will disinfect the injection stock chest of liquid medicine afterwards, after annotating the stock chest, medical personnel will seal the opening of holding up the needle ware surface through the sealing plug, made things convenient for and fixed needle file and trigger, avoided this active needle to cause this active needle unable continuation of use because of the mistake touches the back drive, thereby the effectual waste that prevents this active needle.

3. This a disposable biopsy needle for mammary gland puncture, through setting up the propelling movement ring, spout and slider, when this active needle of palm size adjustment according to medical personnel as required, medical personnel stir the propelling movement ring and make the slider slide in the inside slip of spout of needle file both sides, after the regulation of propelling movement ring finishes, medical personnel insert the propelling movement ring with the bail and fix, made things convenient for this active needle to adjust the propelling movement ring according to medical personnel's health, thereby when having improved this active needle flexibility, the suitability of this active needle has been increased.

Drawings

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

FIG. 2 is a perspective structural view of the needle holder of the present invention;

FIG. 3 is a schematic three-dimensional sectional structure of the needle holder of the present invention;

FIG. 4 is a schematic perspective cross-sectional view of the needle holder of the present invention;

in the figure: the needle holder is 1, the movable groove is 2, the trigger is 3, the anti-skid lines are 4, the clamping groove is 5, the clamping block is 6, the spring is 7, the sliding groove is 8, the sliding block is 9, the pushing ring is 10, the needle head is 11, the needle tube is 12, the needle core is 13, the fixing block is 14, the needle holder is 15, the mounting groove is 16, the protective sleeve is 17, the through hole is 18, the fixing groove is 19, the storage groove is 20, the sealing plug is 21, the blood sucking pad is 22, the seal ring is 23, and the staple is 24.

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 biopsy needle for mammary gland puncture comprises a needle seat 1, wherein a movable groove 2 is formed in the inner wall of the needle seat 1, the inner wall of the movable groove 2 is in sliding connection with the outer surface of a trigger 3, the left side surface of the trigger 3 is in lap joint with the right end of a spring 7, the front surface and the back surface of the needle seat 1 are respectively clamped with the opposite surfaces of two pushing rings 10, the inner wall of the movable groove 2 is in sliding connection with the outer surface of a needle head 11, the left side surface of the needle head 11 is fixedly connected with the right side surface of a fixed block 14, the left side surface of the fixed block 14 is fixedly connected with the right end of a needle core 13, a needle tube 12 is sleeved on the outer surface of the needle core 13, a needle holder 15 is sleeved on the outer surface of the needle head 11, a mounting groove 16 is formed in the inner wall of the needle holder 15, a through hole 18 is formed in the inner wall of the needle holder 15, a fixed groove 19 is formed in the right side surface of the needle holder 15, and the inner wall of the fixed groove 19 is clamped with the outer surface of the fixed block 14, the storage tank 20 has been seted up to the inner wall of needle holder 15, and the left surface of needle holder 15 and the right flank fixed connection of seal ring 23, and the right flank of seal ring 23 is linked together with the inner wall of storage tank 20, has made things convenient for when difficult to fix a position this active needle, has made things convenient for and has right when taking a sample, has avoided needle tubing 12 to cause the influence to the effect and the efficiency of puncture because of receiving the resistance and crooked

Specifically, as shown in fig. 1, 2 and 3, the outer surface of the trigger 3 is provided with a plurality of anti-slip lines 4, by the arrangement of the anti-slip lines 4, the anti-slip property of the active needle is effectively improved, so that the use efficiency of the active needle is improved, the outer surfaces of the needle holder 1 and the trigger 3 are both provided with a clamping groove 5, the inner wall of the clamping groove 5 is in sliding connection with the outer surface of the clamping block 6, by the arrangement of the clamping groove 5, the needle holder 1 and the trigger 3 are conveniently fixed, the active needle is prevented from being continuously used due to the fact that the active needle is driven by mistake contact, so that the waste of the active needle is effectively prevented, the left side surface and the right side surface of the needle holder 1 are both provided with sliding grooves 8, the inner wall of the sliding grooves 8 is in sliding connection with the outer surface of the sliding block 9, the outer surface of the needle holder 1 is in sliding connection with the opposite surfaces of the two pushing rings 10 through the sliding grooves 8, and the inner wall of the pushing ring 10 is in mutual clamping connection with the outer surface of the clamping nail 24, the inner wall of the pushing ring 10 is clamped with the outer surface of the needle base 1 through the staple bolt 24, and the sliding groove 8 is arranged, so that the active needle can be conveniently adjusted to the pushing ring 10 according to the physical condition of medical personnel, the flexibility of the active needle is improved, and the applicability of the active needle is improved.

Specifically, as shown in fig. 1, fig. 2 and fig. 4, the inner wall of the needle holder 15 is fixedly connected with the outer surface of the protective sleeve 17, the inner wall of the protective sleeve 17 is slidably connected with the outer surface of the needle tube 12 through the through hole 18, through the arrangement of the protective sleeve 17, the needle tube 12 is more conveniently protected, thereby preventing the needle tube 12 from being damaged and influencing the use efficiency of the active needle, the inner wall of the storage tank 20 is clamped with the outer surface of the sealing plug 21, through the arrangement of the sealing plug 21, the storage tank 20 is conveniently sealed, thereby preventing the disinfectant liquid from flowing out to pollute the medical apparatus, the left side surface of the needle holder 15 is fixedly connected with the right side surface of the blood sucking pad 22, through the arrangement of the blood sucking pad 22, the blood flowing out of a patient is conveniently adsorbed, and the possibility of cross infection is reduced.

The working principle of the utility model is as follows:

s1, before use, a medical worker inserts the fixture block 6 into the clamping groove 5 so as to fix the needle base 1 and the trigger 3, then the medical worker injects the disinfectant into the storage tank 20, and after the storage tank 20 is filled with the disinfectant, the medical worker seals the opening on the outer surface of the needle holder 15 through the sealing plug 21;

s2, when the blood sucking needle is used, a medical worker pulls the fixture block 6 out of the inner wall of the clamping groove 5, then pulls the needle holder 15 to be in contact with the skin of a patient, after the needle holder 15 is in contact with the skin of the patient, the seal ring 23 makes the disinfectant inside the storage groove 20 printed on the skin of the patient, then the medical worker aligns the needle tube 12 with the mark of the disinfectant, then two fingers buckle the push ring 10, the thumb pushes the trigger 3 to push the spring 7 inside the movable groove 2, the spring 7 pushes the needle 11 leftwards after operation to enable the needle tube 12 to move inside the through hole 18, finally the needle tube 12 and the needle core 13 are driven to be pricked into the skin of the patient for sampling, and in the process that the needle tube 12 and the needle core 13 are pricked into the skin of the patient, the medical worker pulls the needle holder 15 to make the blood sucking pad 22 be in contact with the skin of the patient, and finally sucks blood;

s3, when the active needle needs to be adjusted according to the size of the palm of the medical staff, the medical staff pokes the pushing ring 10 to enable the sliding blocks 9 to slide in the sliding grooves 8 at the two sides of the needle base 1, and after the pushing ring 10 is adjusted, the medical staff inserts the staple 24 into the pushing ring 10 to fix.

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 biopsy needle for breast puncture, comprising a needle holder (1), characterized in that: the needle holder is characterized in that a movable groove (2) is formed in the inner wall of the needle holder (1), the inner wall of the movable groove (2) is connected with the outer surface of a trigger (3) in a sliding manner, the left side surface of the trigger (3) is in lap joint with the right end of a spring (7), the front surface and the back surface of the needle holder (1) are respectively connected with the opposite surfaces of two pushing rings (10) in a clamping manner, the inner wall of the movable groove (2) is connected with the outer surface of a needle head (11) in a sliding manner, the left side surface of the needle head (11) is fixedly connected with the right side surface of a fixed block (14), the left side surface of the fixed block (14) is fixedly connected with the right end of a needle core (13), a needle tube (15) is sleeved on the outer surface of the needle core (13), a needle tube mounting groove (16) is formed in the outer surface of the needle head (11), a through hole (18) is formed in the inner wall of the needle tube (15), the right side face of the needle holder (15) is provided with a fixing groove (19), the inner wall of the fixing groove (19) is clamped with the outer surface of the fixing block (14), the inner wall of the needle holder (15) is provided with a storage groove (20), the left side face of the needle holder (15) is fixedly connected with the right side face of the printing ring (23), and the right side face of the printing ring (23) is communicated with the inner wall of the storage groove (20).

2. A disposable biopsy needle for breast penetration according to claim 1, wherein: the outer surface of the trigger (3) is provided with a plurality of anti-skid grains (4).

3. A disposable biopsy needle for breast penetration according to claim 1, wherein: draw-in groove (5) have all been seted up to the surface of needle file (1) and trigger (3), the inner wall of draw-in groove (5) and the surface sliding connection of fixture block (6).

4. A disposable biopsy needle for breast penetration according to claim 1, wherein: spout (8) have all been seted up to the left surface and the right flank of needle file (1), the inner wall of spout (8) and the surface sliding connection of slider (9), the surface of needle file (1) passes through spout (8) and the opposite face sliding connection of two promotion rings (10), the inner wall of promotion ring (10) and the mutual joint of surface of bail (24), the mutual joint of surface of bail (24) and needle file (1) is passed through to the inner wall of promotion ring (10).

5. A disposable biopsy needle for breast penetration according to claim 4, wherein: the inner wall of the needle holder (15) is fixedly connected with the outer surface of the protective sleeve (17), and the inner wall of the protective sleeve (17) is connected with the outer surface of the needle tube (12) in a sliding mode through the through hole (18).

6. A disposable biopsy needle for breast penetration according to claim 1, wherein: the inner wall of the storage tank (20) is clamped with the outer surface of the sealing plug (21).

7. A disposable biopsy needle for breast penetration according to claim 1, wherein: the left side surface of the needle holder (15) is fixedly connected with the right side surface of the blood sucking pad (22).