CN215275066U

CN215275066U - Puncture-preventing transfusion port needle assembly with retractable needle

Info

Publication number: CN215275066U
Application number: CN202121313169.4U
Authority: CN
Inventors: 何敏娟
Original assignee: First Peoples Hospital of Jiashan
Current assignee: First Peoples Hospital of Jiashan
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-24
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a puncture-proof infusion port needle subassembly of syringe needle retractile formula, including the butterfly wing portion and ending the seat, end the inside fixed plate that is equipped with of seat, the fixed plate internal fixation has the steel needle, butterfly wing portion lower part is fixed with encloses the hose cover outside the steel needle syringe needle, thrust spring is equipped with to the fixed plate bottom surface, it is equipped with first spout to end a front side, the draw-in groove, the fixed plate front side is equipped with the slider, one side that the slider is close to the draw-in groove is equipped with the recess, pressure spring and fixture block are equipped with in the recess, be equipped with the spacing groove on the slider, be equipped with on the fixture block and dial the piece, it is equipped with the second spout to end a right side, be equipped with in the second spout with the connecting pipe with steel needle fixed connection, end the fixed seat lid that is equipped with in seat top portion. The hose sleeve constantly encloses the steel needle, so that the steel needle is prevented from being touched by an operator by mistake, and the safety during puncture is improved; the sticking part can be synchronously fixed when the puncture is finished, so that the puncture needle is more convenient and faster; when the steel needle is pulled out, the steel needle can be pulled back, and the steel needle is safer under the action of the hose sleeve.

Description

Puncture-preventing transfusion port needle assembly with retractable needle

Technical Field

The utility model belongs to the technical field of the infusion port needle, concretely relates to infusion port needle subassembly is prevented stabbing by retractable syringe needle formula.

Background

The transfusion port is a closed transfusion device which is completely implanted into a human body, can provide a long-term venous blood channel for a patient, establishes a central venous channel by connecting a catheter through a subcutaneous implantation port body, and is suitable for patients with tumors who need long-term chemotherapy, repeated blood drawing and blood transfusion and patients who need long-term venous nutrition.

The prior transfusion port needle lacks protection, is easy to stab operators in the transfusion puncture process, even causes infection, and brings potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a puncture-preventing transfusion port needle subassembly of retractable syringe needle to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a puncture-proof transfusion port needle assembly with a retractable needle head comprises a butterfly wing part and a stop seat, wherein the butterfly wing part is arranged below the stop seat, a cavity is arranged inside the stop seat, a fixing plate capable of sliding up and down is arranged in the cavity, a steel needle is fixed in the fixing plate, the steel needle is provided with a downward-bent needle head, the needle head penetrates through and extends to the lower part of the butterfly wing part, a hose sleeve surrounding the needle head of the steel needle is fixed at the lower part of the butterfly wing part, the hose sleeve is of an elastic telescopic structure, two thrust springs are arranged between the bottom surface of the fixing plate and the top surface of the butterfly wing part, a first sliding groove is arranged on the front side of the stop seat, a clamping groove is arranged on one side of the bottom of the first sliding groove, a sliding block is arranged on the front side of the fixing plate, the sliding block is clamped in the first sliding groove and can slide up and down, a groove is arranged on one side of the sliding block close to the clamping groove, and a pressure spring and a clamping block are arranged in the groove, the clamping block can be clamped in the clamping groove through pushing of the pressure spring, the sliding block is provided with a limiting groove, the clamping block is provided with a shifting piece clamped in the limiting groove, the right side of the stop seat is provided with a second sliding groove, a connecting pipe capable of sliding up and down is arranged in the second sliding groove, the connecting pipe is fixedly connected with the tail end of the steel needle, and a stop seat cover is fixedly mounted at the top of the stop seat.

Preferably, a sealing plug is fixed at the connection part of the butterfly wing part and the steel needle head.

Preferably, the edge of the bottom of the stop seat is provided with a circle of sticking part.

Preferably, the fixing plate is in seamless sliding connection with the inner wall of the stop seat.

Preferably, the needle head of the steel needle is still covered by the hose cover when the steel needle is positioned at the bottommost end.

Preferably, the first sliding groove penetrates through the top end of the stop seat.

Preferably, the second sliding groove penetrates through the top end of the stop seat.

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

1. the hose sleeve constantly encloses the steel needle, so that the steel needle is prevented from being touched by an operator by mistake, and the safety during puncture is improved;

2. the sticking part can be synchronously fixed when the puncture is finished, so that the puncture needle is more convenient and faster;

3. when the steel needle is pulled out, the steel needle can be pulled back, and the steel needle is safer under the action of the hose sleeve.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic diagram of the right-side view structure of the present invention;

FIG. 4 is a front view of the present invention;

fig. 5 is an enlarged schematic view of the structure at a of the present invention;

fig. 6 is a schematic view of the top view structure of the fixing plate and the slider of the present invention.

In the figure: 1. a butterfly wing portion; 2. a stop seat; 3. a fixing plate; 4. a steel needle; 5. a hose cover; 6. a thrust spring; 7. a first chute; 8. a card slot; 9. a slider; 10. a groove; 11. a pressure spring; 12. a clamping block; 13. a limiting groove; 14. pulling a piece; 15. a second chute; 16. a connecting pipe; 17. a seat stop cover; 18. a sealing plug; 19. and a sticking part.

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.

Example 1: referring to fig. 1-6, the present invention provides a technical solution: a puncture-proof transfusion port needle assembly with a retractable needle head comprises a butterfly wing part 1 and a stop seat 2, wherein the butterfly wing part 1 is installed below the stop seat 2, a cavity is formed inside the stop seat 2, a fixing plate 3 capable of sliding up and down is installed in the cavity, a steel needle 4 is fixed in the fixing plate 3, the steel needle 4 is provided with a downward-bent needle head, the needle head penetrates through and extends to the lower portion of the butterfly wing part 1, a hose sleeve 5 surrounding the needle head of the steel needle 4 is fixed at the lower portion of the butterfly wing part 1, the hose sleeve 5 is of an elastic telescopic structure, two thrust springs 6 are installed between the bottom surface of the fixing plate 3 and the top surface of the butterfly wing part 1, a first sliding groove 7 is formed in the front side of the stop seat 2, a clamping groove 8 is formed in one side of the bottom of the first sliding groove 7, a sliding block 9 is arranged on the front side of the fixing plate 3, the sliding block 9 is clamped in the first sliding groove 7 and can slide up and down, a groove 10 is formed in one side, close to the clamping groove 8, of the sliding block 9, a pressure spring 11 and a clamping block 12 are arranged in the groove 10, the clamping block 12 can be clamped in the clamping groove 8 through pushing of the pressure spring 11, a limiting groove 13 is formed in the sliding block 9, a shifting piece 14 clamped in the limiting groove 13 is arranged on the clamping block 12, a second sliding groove 15 is formed in the right side of the stop seat 2, a connecting pipe 16 capable of sliding up and down is arranged in the second sliding groove 15, the connecting pipe 16 is fixedly connected with the tail end of the steel needle 4, and a stop seat cover 17 is fixedly arranged at the top of the stop seat 2.

In the embodiment, the hose sleeve 5 constantly encloses the steel needle 4, so that the steel needle 4 is prevented from being touched by an operator by mistake, and the safety during puncture is improved; the sticking part 19 can be synchronously fixed when the puncture is finished, so that the puncture needle is more convenient and faster; when the steel needle 4 is pulled out, the steel needle 4 can be pulled back, and the effect of the hose cover 5 is safer.

Specifically, a sealing plug 18 is fixed at the joint of the butterfly wing part 1 and the needle head of the steel needle 4.

In this embodiment, the tightness of the device is enhanced and the occurrence of liquid leakage is avoided.

Specifically, the edge of the bottom of the stop seat 2 is provided with a circle of sticking part 19.

In the embodiment, the butterfly wing part 1 can be conveniently adhered to the skin through the adhering part 19 below the butterfly wing part after the puncture is finished.

Specifically, the fixing plate 3 is in seamless sliding connection with the inner wall of the stop seat 2.

In this embodiment, the fixing plate 3 is made more stable when sliding in the stopper 2.

Specifically, the needle head of the steel needle 4 is still covered by the hose cover 5 when the steel needle is positioned at the bottommost end.

In this embodiment, the steel needle 4 is always wrapped in the hose cover 5.

Specifically, the first sliding groove 7 penetrates through the top end of the stop seat 2.

In this embodiment, the slider 9 is mounted and dismounted through the first sliding groove 7 after the stopper cover 17 is opened.

Specifically, the second sliding slot 15 penetrates through the top end of the stop seat 2.

In this embodiment, after the stopper cover 17 is opened, the connection pipe 16 is mounted and dismounted through the second chute 15.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The working principle is as follows: when the steel needle 4 is used for puncture, the hose sleeve 5 firstly presses the skin and synchronously and gradually retracts, so that the steel needle 4 is enclosed in real time during puncture, an operator is prevented from touching the steel needle 4 by mistake, and the safety during use is improved; after the puncture is finished, the butterfly wing part 1 is adhered to the skin through the adhering part 19 below the butterfly wing part, so that the butterfly wing part can be synchronously fixed when the puncture is finished, and the butterfly wing part is more convenient and faster; when the steel needle 4 needs to be pulled out, the clamping block 12 is pulled back to the groove 10 from the clamping groove 8 through the pulling piece 14, the thrust spring 6 can push the fixing plate 3 to slide to the top in the stopping seat 2, so that the steel needle 4 is pulled back, and meanwhile, the hose sleeve 5 can automatically extend and press the skin, so that the protection effect is further achieved, and the safety in the needle pulling process is improved.

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 puncture-proof infusion port needle subassembly of needle retractable, includes butterfly alar part (1) and ends seat (2), its characterized in that, butterfly alar part (1) is installed the below of ending seat (2), it is equipped with gliding fixed plate (3) from top to bottom to end seat (2) inside cavity and the cavity, fixed plate (3) internal fixation has steel needle (4), steel needle (4) are equipped with down bent syringe needle and run through and extend to butterfly alar part (1) below, butterfly alar part (1) lower part is fixed with encloses hose cover (5) outside steel needle (4) syringe needle, hose cover (5) are elastic telescopic structure, fixed plate (3) bottom surface with install two thrust spring (6) between butterfly alar part (1) top surface, it is equipped with first spout (7) to end seat (2) front side, first spout (7) bottom one side is equipped with draw-in groove (8), a sliding block (9) is arranged on the front side of the fixed plate (3), the sliding block (9) is clamped in the first sliding groove (7) and can slide up and down, a groove (10) is arranged on one side of the sliding block (9) close to the clamping groove (8), a pressure spring (11) and a clamping block (12) are arranged in the groove (10), the clamping block (12) can be clamped in the clamping groove (8) through the pushing of the pressure spring (11), a limiting groove (13) is arranged on the sliding block (9), a shifting piece (14) clamped in the limiting groove (13) is arranged on the clamping block (12), a second sliding chute (15) is arranged at the right side of the stop seat (2), a connecting pipe (16) capable of sliding up and down is arranged in the second sliding chute (15), the connecting pipe (16) is fixedly connected with the tail end of the steel needle (4), and a stopping seat cover (17) is fixedly installed at the top of the stopping seat (2).

2. A needle retractable type puncture-proof transfusion port needle assembly as claimed in claim 1, wherein a sealing plug (18) is fixed at the joint of the butterfly wing part (1) and the needle of the steel needle (4).

3. A needle retractable anti-puncture port needle assembly according to claim 1, wherein the bottom edge of the stopper (2) is provided with a ring of adhesive (19).

4. A needle retractable anti-puncture needle assembly for an infusion port according to claim 1, wherein the fixing plate (3) is in seamless sliding connection with the inner wall of the stop seat (2).

5. A needle retractable anti-puncture needle assembly for an infusion port according to claim 1, wherein the needle (4) is still covered by the hose cover (5) when the needle is at the lowermost end.

6. A needle retractable anti-puncture needle assembly for an infusion port according to claim 1, wherein the first chute (7) extends through the top end of the stopper (2).

7. A needle retractable anti-puncture needle assembly for an infusion port according to claim 1, wherein the second chute (15) extends through the top end of the stopper (2).