CN214911783U

CN214911783U - Transfusion needle capable of avoiding blood pollution

Info

Publication number: CN214911783U
Application number: CN202120830973.3U
Authority: CN
Inventors: 孔方; 刘燕鸿; 刘青; 陈艳
Original assignee: Second Hospital of Nanjing
Current assignee: Second Hospital of Nanjing
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-30
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses an infusion needle capable of avoiding blood pollution, which comprises a needle tube, one side of the needle tube is fixedly communicated with a needle head, two side sides of the needle tube are both fixedly provided with a slide block, the two slide blocks are respectively in sliding connection with two slide grooves, the two slide grooves are respectively arranged at two sides of the inner wall of a needle sleeve, the bottom end of the needle tube is provided with a groove, one side of the groove is fixedly connected with an elastic fixture block, one side of the elastic fixture block is clamped with a first clamping groove, the first clamping groove is arranged at one side of the bottom end of the needle sleeve, the other side of the bottom end of the needle sleeve is provided with a second clamping groove, one side of the needle sleeve is fixedly provided with a sealing box, two sides of the inner wall of the sealing box are both fixedly provided with springs, one end of the two springs is fixedly connected with a stop block, the needle tube and the needle sleeve are in sliding connection, thereby preventing medical staff from easily pricking hands when covering the needle sleeve, the design of the sealing box avoids the pollution caused by the outgoing blood.

Description

Transfusion needle capable of avoiding blood pollution

Technical Field

The utility model relates to the field of infusion needles, in particular to an infusion needle capable of avoiding blood pollution.

Background

Intravenous infusion is a method of infusing a large amount of sterile liquid, electrolyte and medicine into the body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure. The intravenous infusion needle is used for connecting an injector, an infusion apparatus and a blood transfusion apparatus to carry out intravenous infusion liquid medicine and blood transfusion, the intravenous infusion technology is built in the 20 th century to form a set of complete system, the complete system becomes one of the most common and most direct and effective clinical treatment means, William Harvey provides a theory about blood circulation in 1628, lays a theoretical foundation, and is called as a nasal progenitor for modern intravenous infusion treatment.

The condition that blood brought out can appear pulling out when infusion is over in current infusion needle, easily causes environmental pollution infection, and medical personnel need cover the syringe needle with the lid, avoids the syringe needle to prick the condition of hindering the people, but medical personnel also can prick oneself in the hurry in the in-process of covering in the hurry to be injured even infect, for this reason we have proposed an infusion needle that can avoid blood pollution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can avoid blood pollution's infusion needle to the current infusion needle that proposes in solving above-mentioned background art pulls out the condition that blood can appear taking out when the infusion finishes, easily causes the environmental pollution infection, and medical personnel need cover the syringe needle with the lid, avoids the syringe needle to prick the condition of hindering the people, but medical personnel can prick oneself in the hurry in the in-process of covering the lid, thereby the problem of infection even of being injured.

In order to achieve the above object, the utility model provides a following technical scheme: an infusion needle capable of avoiding blood pollution comprises a needle tube, wherein one side of the needle tube is fixedly communicated with a needle head, two sides of the needle tube are fixedly provided with sliding blocks, the two sliding blocks are respectively connected with the two sliding chutes in a sliding way, the two sliding grooves are respectively arranged on two sides of the inner wall of the needle sleeve, the bottom end of the needle tube is provided with a groove, one side of the groove is fixedly connected with an elastic clamping block, one side of the elastic clamping block is clamped with the first clamping groove, the first clamping groove is arranged at one side of the bottom end of the needle sleeve, the other side of the bottom end of the needle sleeve is provided with a second clamping groove, one side fixed mounting of needle cover has the seal case, the through-hole has been seted up at the middle part of seal case, the equal fixed mounting in both sides of seal incasement wall has the spring, two the equal fixedly connected with dog of one end of spring, the one end fixedly connected with absorption pad of needle cover inner wall.

As an optimized technical proposal of the utility model, the other side of the needle tube is fixedly communicated with a connecting hose.

As a preferred technical scheme of the utility model, the circular arc has been seted up to one side of dog, the fixed surface of circular arc is connected with the rubber pad.

As an optimized technical scheme of the utility model, the absorption pad is the sponge material of blood absorption.

As an optimized technical proposal of the utility model, the top end of the needle tube is fixedly connected with a needle handle.

As an optimized technical scheme of the utility model, the displacement mouth has been seted up to the movement track that the needle cover top corresponds the needle handle.

As a preferred technical scheme of the utility model, coupling hose's one end fixedly connected with connector.

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

1. a needle sleeve is sleeved outside the needle tube of the transfusion needle, the needle tube and the needle sleeve are connected in a sliding way through a sliding block and a sliding groove, therefore, the needle tube can slide in the needle sleeve, and the needle tube can not fall off from the needle sleeve, when in use, the needle handle is held by hand to move the needle tube to one side of the needle head, when in movement, the elastic clamping block on the first clamping groove can retract into the groove until the elastic clamping block moves to the second clamping groove, the elastic clamping block can be clamped with the second clamping groove to complete the fixation of the device, at the moment, the needle head extends out of the outer part, the needle sleeve and the needle tube are integrated in the process, medical staff do not need to cover a needle cover, and the situation that hands of the medical staff are possibly pricked when the needle cover is covered is prevented;

2. when the syringe needle is stretching out the needle cover, the syringe needle can be through the seal box, the through-hole has been seted up to the seal box inside, a removal for the syringe needle, when the syringe needle passes the through-hole, because one side of two dogs is the arc, when consequently the syringe needle stretches out, can extrude two dogs to both sides, thereby stretch out the outside smoothly, when the syringe needle is extracted to the infusion after finishing, press the position of needle cover with the hand, extract rapidly and retract in the needle cover the syringe needle through the needle handle, when the syringe needle retracts in the needle cover, two dogs are under the effect of spring, can plug up the one end of needle cover, prevent the blood reflux outside in the syringe needle, blood in the syringe needle flows out the back, can fall in the inside of needle cover, and absorbed by the absorption pad, prevent from this that blood from taking out easily causes the condition of environmental pollution infection.

Drawings

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

FIG. 2 is a front cross-sectional view of the needle cannula of the present invention;

FIG. 3 is a top cross-sectional view of the needle cannula of the present invention;

fig. 4 is an enlarged view of the portion a of the present invention.

In the figure: 1. a needle tube; 2. a needle head; 3. a needle handle; 4. a needle sleeve; 5. a connecting hose; 6. a connector; 7. a slider; 8. a chute; 9. a groove; 10. an elastic clamping block; 11. a first card slot; 12. a second card slot; 13. a displacement port; 14. sealing the box; 15. a through hole; 16. a spring; 17. a stopper; 18. a rubber pad; 19. an absorbent pad.

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. 1-4, the present invention provides an infusion needle capable of avoiding blood contamination, comprising a needle tube 1, a needle head 2 fixedly connected to one side of the needle tube 1, sliders 7 fixedly mounted to both sides of the needle tube 1, two sliders 7 respectively slidably connected to two sliding grooves 8, two sliding grooves 8 respectively formed on both sides of the inner wall of a needle sheath 4, a groove 9 formed in the bottom end of the needle tube 1, an elastic block 10 fixedly connected to one side of the groove 9, one side of the elastic block 10 engaged with a first engaging groove 11, the first engaging groove 11 formed in one side of the bottom end of the needle sheath 4, a second engaging groove 12 formed in the other side of the bottom end of the needle sheath 4, a sealing box 14 fixedly mounted to one side of the needle sheath 4, a through hole 15 formed in the middle of the sealing box 14, springs 16 fixedly mounted on both sides of the inner wall of the sealing box 14, and stoppers 17 fixedly connected to one end of the two springs 16, an absorption pad 19 is fixedly connected to one end of the inner wall of the needle sleeve 4.

Preferably, the other side of the needle tube 1 is fixedly communicated with a connecting hose 5, and the connecting hose 5 is used for conveying liquid;

preferably, one side of the stop block 17 is provided with an arc, the surface of the arc is fixedly connected with a rubber pad 18, the arc design enables the two stop blocks 17 to shrink towards two sides when the needle head 2 is pounded towards the stop block 17, so that the needle head 2 can pass smoothly, and the rubber pad 18 increases the connection tightness between the two stop blocks 17;

preferably, the absorption pad 19 is made of blood-sucking sponge, which has good absorption and can absorb blood falling into the needle sleeve 4;

preferably, the top end of the needle tube 1 is fixedly connected with a needle handle 3, and the device is held by hand through the needle handle 3;

preferably, the top end of the needle sleeve 4 is provided with a displacement port 13 corresponding to the motion track of the needle handle 3, so that when the needle sleeve 4 is moved, a space for moving the needle handle 3 can be provided;

preferably, one end of the connection hose 5 is fixedly connected with a connector 6 for connecting a medicine bottle.

When in use, the utility model relates to an infusion needle capable of avoiding blood pollution, a needle sleeve 4 is sleeved outside a needle tube 1 of the infusion needle, the needle tube 1 and the needle sleeve 4 are in sliding connection through a sliding block 7 and a sliding groove 8, therefore, the needle tube 1 can slide inside the needle sleeve 4, and the needle tube 1 can not fall off from the needle sleeve 4, when in use, a needle handle 3 is held by hand, the needle tube 1 is moved to one side of a needle head 2, when in movement, an elastic clamping block 10 on a first clamping groove 11 can retract into a groove 9 until the elastic clamping block 10 moves to a second clamping groove 12, the elastic clamping block 10 can be clamped with the second clamping groove 12 to complete the fixation of the device, at the moment, the needle head 2 stretches out of the outside for use, after use, the elastic clamping block 10 at the second clamping groove 12 is pressed, the elastic clamping block is pressed into the groove 9, the needle tube 1 is moved to the other side until the elastic clamping block 10 is clamped at the first clamping groove 11 again, at the moment, the needle head 2 retracts into the needle sleeve 4, the needle sleeve 4 and the needle tube 1 are integrated in the process, a medical worker does not need to cover a needle cover and can be prevented from being hurt when the needle head 2 extends out of the needle sleeve 4, the needle head 2 can pass through the sealing box 14, the middle part of the sealing box 14 is provided with a through hole 15 for moving the needle head 2, when the needle head 2 passes through the through hole 15, because one side of the two check blocks 17 is arc-shaped, when the needle head 2 extends out, the two check blocks 17 can be extruded towards two sides, the needle head can be smoothly extended to the outside, when the needle head 2 is extracted out after infusion, the position of the needle sleeve 4 is pressed by hands, the needle head 2 is rapidly extracted out through the needle handle 3 and retracts into the needle sleeve 4, when the needle head 2 retracts into the needle sleeve 4, one end of the needle sleeve 4 can be blocked by the two check blocks 17 under the action of the spring 16, and the blood in the needle head 2 is prevented from flowing back to the outside, after the blood in the needle head 2 flows out, the blood falls into the interior of the needle sleeve 4 and is absorbed by the absorption pad 19, thereby preventing the blood from being brought out to cause environmental pollution and infection.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a can avoid blood pollution's transfusion needle, includes needle tubing (1), its characterized in that: the needle tube structure is characterized in that one side of the needle tube (1) is fixedly communicated with a needle head (2), two side sides of the needle tube (1) are fixedly provided with sliders (7), the two sliders (7) are respectively connected with two sliding grooves (8) in a sliding manner, the two sliding grooves (8) are respectively arranged on two sides of the inner wall of the needle sleeve (4), the bottom end of the needle tube (1) is provided with a groove (9), one side of the groove (9) is fixedly connected with an elastic clamping block (10), one side of the elastic clamping block (10) is clamped with a first clamping groove (11), the first clamping groove (11) is arranged on one side of the bottom end of the needle sleeve (4), the other side of the bottom end of the needle sleeve (4) is provided with a second clamping groove (12), one side of the needle sleeve (4) is fixedly provided with a sealing box (14), the middle part of the sealing box (14) is provided with a through hole (15), two sides of the inner wall of the sealing box (14) are fixedly provided with springs (16), one end of each of the two springs (16) is fixedly connected with a stop block (17), and one end of the inner wall of the needle sleeve (4) is fixedly connected with an absorption pad (19).

2. The transfusion needle capable of avoiding blood pollution of claim 1, wherein: the other side of the needle tube (1) is fixedly communicated with a connecting hose (5).

3. The transfusion needle capable of avoiding blood pollution of claim 1, wherein: an arc is formed in one side of the stop block (17), and a rubber pad (18) is fixedly connected to the surface of the arc.

4. The transfusion needle capable of avoiding blood pollution of claim 1, wherein: the absorption pad (19) is made of blood-sucking sponge materials.

5. The transfusion needle capable of avoiding blood pollution of claim 1, wherein: the top end of the needle tube (1) is fixedly connected with a needle handle (3).

6. The transfusion needle capable of avoiding blood pollution of claim 5, wherein: the top end of the needle sleeve (4) is provided with a displacement port (13) corresponding to the motion track of the needle handle (3).

7. The transfusion needle capable of avoiding blood pollution of claim 2, wherein: one end of the connecting hose (5) is fixedly connected with a connector (6).