CN217548697U

CN217548697U - Safe indwelling needle

Info

Publication number: CN217548697U
Application number: CN202220516230.3U
Authority: CN
Inventors: 周涛; 袁明进; 毛一武; 周玲
Original assignee: Changzhou Kenno Medical Instruments Co ltd
Current assignee: Changzhou Kenno Medical Instruments Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-10-11
Anticipated expiration: 2032-03-10

Abstract

The utility model relates to the technical field of medical equipment, and a needle is kept somewhere to safe type is disclosed, fix the needle file of keeping somewhere the needle tubing right-hand member including keeping somewhere the needle tubing and dismantling, the inner wall fixedly connected with pjncture needle of needle file, the inside of keeping somewhere the needle tubing is provided with the protective sheath, first recess has been seted up to the outer wall top and the bottom of protective sheath, the inner wall top and the bottom of keeping somewhere the needle tubing have been seted up the second recess, the inside of second recess is provided with the spring, the utility model discloses a after injecting the infusion hose into patient's vein, move the needle file right, the needle file drives the pjncture needle and moves right, and the pjncture needle drives the lug and passes the isolation stopper, and the lug gets into the protective sheath from the left end of protective sheath, and when the right side outer wall of lug contacts with the inner wall right side of protective sheath, the lug can drive the protective sheath and move right, and when the pjncture needle is accomplished to the syringe needle and withdraws, the syringe needle in the inside of protective sheath to protect medical personnel can not stab.

Description

Safe indwelling needle

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a needle is kept somewhere to safe type.

Background

The vein indwelling needle is a medical apparatus connected with a high-pressure syringe and used for vein indwelling infusion, is mainly applied to clinical vein puncture, is used for taking medicine and providing nutrition for a patient, can avoid blood vessel damage caused by multiple punctures and relieve the pain of the patient, and is also favorable for reducing the operation intensity of nurses. The existing indwelling needle is structurally characterized in that glue is coated on the periphery of an isolating plug and is pressed into a sleeve seat, the friction force is increased through the adhesive force and interference fit between the isolating plug and the sleeve seat, a sealing connection structure is formed, and the liquid in the sleeve seat is prevented from leaking out, so that the safety and the reliability of the operation of the indwelling needle during infusion are ensured. However, the conventional indwelling needle needs to withdraw the steel needle after the puncture is finished, and the needle tip of the steel needle is completely exposed, so that medical staff can easily puncture the needle by carelessness. If the patient is a patient with hepatitis B or AIDS, the medical personnel can be infected with hepatitis B or AIDS, thereby causing serious physical injury and threatening the life safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a needle is kept somewhere to safe type reaches the problem of mentioning in solving above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a needle is kept somewhere to safe type, is including keeping somewhere the needle tubing and can dismantle the needle file of fixing at keeping somewhere the needle tubing right-hand member, the inner wall fixedly connected with pjncture needle of needle file, the inside of keeping somewhere the needle tubing is provided with the protective sheath, first recess has been seted up to the outer wall top and the bottom of protective sheath, the second recess has been seted up to the inner wall top and the bottom of keeping somewhere the needle tubing, the inside of second recess is provided with the spring, open-ended one end fixed connection is kept away from to the one end of spring and second recess inner wall, the other end fixedly connected with fixed block of spring, fixed block and first recess and second recess swing joint.

Preferably, the bore of first recess and second recess is unanimous, and the opening is relative, the one end arc setting of spring is kept away from to the fixed block, and fixed block arc one end sets up in the inside of first recess, is for cooperating the fixed protective sheath of fixed block through setting up first recess and second recess, is for conveniently dismantling the protective sheath through keeping away from the fixed block spring one end arc setting.

Preferably, the outer wall of protective sheath and the inner wall sliding connection who keeps somewhere the needle tubing, the left end fixedly connected with infusion hose of keeping somewhere the needle tubing is in order to the pjncture needle to withdraw from when keeping somewhere the needle tubing through setting up the protective sheath, avoids the needle point of pjncture needle to expose outside and causes medical personnel carelessly to be stabbed, reaches the purpose of protection medical personnel.

Preferably, keep somewhere the inner wall fixedly connected with of needle tubing and keep apart the stopper, keep apart the stopper and be located the left side of protective sheath, the pjncture needle runs through protective sheath and keeps apart stopper and protective sheath and keep apart stopper swing joint, keeps apart the stopper through setting up and is made by having elastic material, like sponge, latex or rubber for when the pjncture needle was extracted and was moved back, keep apart the stopper and can make the through-hole that is passed by pjncture needle and lug automatic closure because the elasticity that its self has, thereby avoids the liquid medicine to leak.

Preferably, the pjncture needle with keep somewhere needle tubing and infusion hose swing joint, the outer wall top and the bottom fixedly connected with lug of pjncture needle can take out the protective sheath through setting up the lug when in order to extract the pjncture needle for the syringe needle of pjncture needle is stayed the inside of protective sheath, thereby avoids the puncture needle to hinder medical personnel.

Preferably, the outer wall of the needle seat is fixedly connected with a handheld part, the bottom of the indwelling needle tube is communicated with a liquid inlet, the puncture needle is conveniently inserted through the handheld part, and the infusion is conveniently carried out through the liquid inlet.

The utility model provides a safe indwelling needle. The method has the following beneficial effects:

(1) The utility model discloses a after injecting the infusion hose into the patient vein, move the needle file right, the needle file drives the pjncture needle and moves right, the pjncture needle drives the lug and passes the isolation stopper, the lug gets into the protective sheath from the left end of protective sheath, when the right side outer wall of lug and the inner wall right side contact of protective sheath, the lug can drive the protective sheath and move right, thereby make the cambered surface of fixed block extruded, the fixed block gets into the inside of second recess, thereby the protective sheath is relieved the restriction and is withdrawed from together with the pjncture needle and keep somewhere the needle tubing, when withdrawing from, the syringe needle of pjncture needle is in the inside of protective sheath, thereby protect medical personnel can not stab.

(2) The utility model discloses a set up the isolation stopper and make by having elastic material, like sponge, latex or rubber for when the pjncture needle was extracted and when moving back, the isolation stopper can make the through-hole that is passed by pjncture needle and lug automatic closure because the elasticity that its self has, thereby avoids the liquid medicine to leak.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an extracted view of the puncture needle of the utility model;

fig. 3 is an enlarged view of the present invention a.

In the figure: 1. an indwelling needle tube; 2. a needle seat; 3. puncturing needle; 4. a hand-held portion; 5. a drug delivery hose; 6. a bump; 7. a liquid inlet; 8. a protective sleeve; 9. an isolation plug; 10. a second groove; 11. a spring; 12. a fixed block; 13. a first groove.

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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a safe indwelling needle comprises an indwelling needle tube 1 and a needle seat 2 detachably fixed at the right end of the indwelling needle tube 1, the outer wall of the needle seat 2 is fixedly connected with a handheld part 4, the bottom of the indwelling needle tube 1 is communicated with a liquid inlet 7, the puncturing needle 3 is conveniently inserted through the handheld part 4, the infusion is conveniently carried out through the liquid inlet 7, the inner wall of the needle seat 2 is fixedly connected with a puncturing needle 3, a protective sleeve 8 is arranged inside the indwelling needle tube 1, the outer wall of the protective sleeve 8 is slidably connected with the inner wall of the indwelling needle tube 1, the left end of the indwelling needle tube 1 is fixedly connected with a drug delivery hose 5, the protective sleeve 8 is arranged to prevent medical staff from being accidentally stabbed due to the fact that the needle tip of the puncturing needle 3 is exposed when the puncturing needle 3 exits the indwelling needle tube 1, the purpose of protecting the medical staff is achieved, the puncturing needle 3 is movably connected with the indwelling needle tube 1 and the drug delivery hose 5, the top and the bottom of the outer wall of the puncture needle 3 are fixedly connected with a bump 6, when the puncture needle 3 is pulled out by arranging the bump 6, the protective sleeve 8 can be taken out, the needle head of the puncture needle 3 is left in the protective sleeve 8, thereby preventing the puncture needle 3 from stabbing medical personnel, the inner wall of the indwelling needle tube 1 is fixedly connected with a barrier plug 9, the barrier plug 9 is positioned at the left side of the protective sleeve 8, the puncture needle 3 penetrates through the protective sleeve 8 and the barrier plug 9 and is movably connected with the protective sleeve 8 and the barrier plug 9, by arranging the barrier plug 9 to be made of elastic materials, such as sponge, latex or rubber, when the puncture needle 3 is pulled out and moves backwards, the barrier plug 9 can automatically close a through hole which is penetrated by the puncture needle 3 and the bump 6 due to the elasticity of the barrier plug 9, thereby preventing the liquid medicine from leaking, the top and the bottom of the outer wall of the protective sleeve 8 are provided with a first groove 13, second recess 10 has been seted up at the inner wall top and the bottom of lien needle pipe 1, the inside of second recess 10 is provided with spring 11, open-ended one end fixed connection is kept away from with second recess 10 inner wall to the one end of spring 11, the other end fixedly connected with fixed block 12 of spring 11, fixed block 12 and first recess 13 and second recess 10 swing joint, the bore of first recess 13 and second recess 10 is unanimous, and the opening is relative, the one end arc setting of spring 11 is kept away from to fixed block 12, and fixed block 12 arc one end sets up the inside at first recess 13, it is for cooperating fixed protective sheath 8 of fixed block 12 to be through setting up first recess 13 and second recess 10, it is for conveniently dismantling protective sheath 8 to keep away from spring one end arc setting with fixed block 12.

When in use, after the medicine conveying hose 5 is inserted into the vein of a patient, the needle seat 2 is moved rightwards, the needle seat 2 drives the puncture needle 3 to move rightwards, the puncture needle 3 drives the projection 6 to pass through the isolation plug 9, the projection 6 enters the protective sleeve 8 from the left end of the protective sleeve 8, when the right outer wall of the projection 6 is in contact with the right side of the inner wall of the protective sleeve 8, the projection 6 can drive the protective sleeve 8 to move rightwards, so that the cambered surface of the fixed block 12 is extruded, the fixed block 12 enters the inside of the second groove 10, so that the protective sleeve 8 removes the limitation and the puncture needle 3 exits the indwelling needle tube 1 together, and when exiting, the needle head of the puncture needle 3 is arranged inside the protective sleeve 8, thereby protecting medical personnel from puncture.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 needle is kept somewhere to safe type, is fixed needle file (2) of keeping somewhere needle tubing (1) right-hand member including keeping somewhere needle tubing (1) and dismantling, its characterized in that: the inner wall fixedly connected with pjncture needle (3) of needle file (2), the inside of keeping somewhere needle tubing (1) is provided with protective sheath (8), first recess (13) have been seted up to the outer wall top and the bottom of protective sheath (8), keep somewhere the inner wall top and the bottom of needle tubing (1) and seted up second recess (10), the inside of second recess (10) is provided with spring (11), open-ended one end fixed connection is kept away from to the one end of spring (11) and second recess (10) inner wall, the other end fixedly connected with fixed block (12) of spring (11), fixed block (12) and first recess (13) and second recess (10) swing joint.

2. The safety type indwelling needle according to claim 1, wherein: the calibers of the first groove (13) and the second groove (10) are consistent, the openings of the first groove and the second groove are opposite, one end, far away from the spring (11), of the fixing block (12) is arranged in an arc mode, and one end, in an arc mode, of the fixing block (12) is arranged inside the first groove (13).

3. The safety type indwelling needle according to claim 1, wherein: the outer wall of the protective sleeve (8) is in sliding connection with the inner wall of the indwelling needle tube (1), and the left end of the indwelling needle tube (1) is fixedly connected with a medicine delivery hose (5).

4. The safety type indwelling needle according to claim 1, wherein: keep somewhere inner wall fixedly connected with of needle tubing (1) and keep apart stopper (9), keep apart stopper (9) and be located the left side of protective sheath (8), pjncture needle (3) run through protective sheath (8) and keep apart stopper (9) and protective sheath (8) and keep apart stopper (9) swing joint.

5. The safety type indwelling needle according to claim 1, wherein: the puncture needle (3) is movably connected with the indwelling needle tube (1) and the drug delivery hose (5), and the top and the bottom of the outer wall of the puncture needle (3) are fixedly connected with bumps (6).

6. The safety type indwelling needle according to claim 1, wherein: the outer wall of the needle seat (2) is fixedly connected with a handheld part (4), and the bottom of the indwelling needle tube (1) is communicated with a liquid inlet (7).