CN211096642U

CN211096642U - Disposable venous indwelling needle

Info

Publication number: CN211096642U
Application number: CN201921041996.5U
Authority: CN
Inventors: 朱斌
Original assignee: Shuimu Universe Technology Tianjin Co ltd
Current assignee: Shuimu Universe Technology Tianjin Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-07-28
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to the technical field of medical supplies, especially, relate to a needle is kept somewhere to disposable vein. The to-be-solved technical problem of the utility model is how to prevent that the syringe needle from droing because of the touching. In order to solve the technical problem, the utility model provides a needle is kept somewhere to disposable vein, including syringe needle and protection casing, the left side intercommunication of syringe needle has the pipe, the left side fixedly connected with hose of pipe, the bottom intercommunication of syringe needle has the sleeve pipe, the elastic webbing has been cup jointed in the sheathed tube outside, and spacing hole has been seted up to the protection casing, and when the syringe needle pierces the vein, the whole of needle is kept somewhere to the vein in the spacing hole of protection casing is fixed on the skin surface, and the elastic webbing that the protection casing both sides run through twines on the arm, and the fixed plate laminating of elastic webbing both sides makes the fixed plate openly bond with the magic subsides at the back mutually to reach the fixed effect of keeping somewhere the needle syringe needle, the setting of protection casing can prevent that the touching of infant from touching to lead to.

Description

Disposable venous indwelling needle

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a disposable venous indwelling needle.

Background

At present, partial patients need to be transfused for many times and for a long time, and in order to relieve the pain of repeated puncture of the patients during each transfusion, a vein retention needle is mostly adopted to reduce puncture.

Most of the existing methods for fixing the venous indwelling needle use an adhesive tape for fixation, but the adhesive tape is weakened after sweating or wetting to cause the needle head to fall off, when a patient takes off clothes or sleeps, the patient turns over the adhesive tape and possibly scratches the needle head to change the position of the needle head, so that the transfusion is not smooth, the needle head can fall off, the patient with an infant can continuously flex the venous indwelling needle to cause the falling off due to the natural movement of the patient, and the secondary puncture pain is very easily caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to the not enough of prior art, the utility model provides a needle is kept somewhere to disposable vein has solved the problem that how to prevent that the syringe needle from droing because of the touching.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a disposable venous indwelling needle comprises a needle head and a protective cover, wherein the left side of the needle head is communicated with a catheter, the left side of the catheter is fixedly connected with a hose, the bottom of the needle head is communicated with a sleeve, an elastic belt is sleeved on the outer side of the sleeve and penetrates through the inner side of the protective cover, the right side of the elastic belt is fixedly connected with a first fixed plate, the left side of the elastic belt is fixedly connected with a second fixed plate, the right side of the first fixed plate is fixedly connected with a clamping block, the left side of the second fixed plate is fixedly connected with a fixed block, the left side of the fixed block is provided with a first clamping groove, the right side of the inner wall of the first clamping groove is fixedly connected with a connecting block, the top of the inner cavity of the fixed block is connected with a hollow block in a penetrating manner, both sides of the inner cavity of the hollow, and fixedly connected with backup pad between two sliding blocks, the top fixedly connected with spring beam of backup pad, the top and the fixedly connected with pull ring of hollow block are run through at the top of spring beam, the outside cover of spring beam is equipped with the spring, the bottom fixedly connected with kelly of backup pad, the second draw-in groove has been seted up on the right side of fixture block, the third draw-in groove has been seted up at the top of fixture block, the positive swing joint of protection casing has glass panels.

Further preferably, the surface of the elastic band is fixedly connected with a fixing band, and the hose penetrates through the inner side of the fixing band.

It is further preferred that the needle and one end of the catheter both extend through the shield and outside the shield.

Preferably, the outer side of the pull ring is sleeved with an anti-slip sleeve, and anti-slip lines are formed in the surface of the anti-slip sleeve.

Further preferably, the bottom of the clamping rod penetrates through the hollow block and extends to the inner cavity of the first clamping groove.

Preferably, the front surface of the first fixing plate and the back surface of the second fixing plate are both bonded with magic tapes.

(III) advantageous effects

The utility model provides a needle is kept somewhere to disposable vein possesses following beneficial effect:

(1) this needle is kept somewhere to disposable vein, spacing hole has been seted up to the protection casing, when the syringe needle pierces the vein, the overall fixation of needle is kept somewhere to the vein in the spacing hole of protection casing on the skin surface, the elastic webbing that the protection casing both sides run through twines on the arm, the fixed plate laminating of elastic webbing both sides makes the positive magic subsides with the back of fixed plate bond mutually to reach the fixed effect of keeping somewhere the needle syringe needle, the setting of protection casing can prevent that infant's infant from touching the droing that leads to the syringe needle of touching in disorder.

(2) This needle is kept somewhere to disposable vein, when pulling up the pull ring, the pull ring drives spring rod upward movement, drives backup pad upward movement and shrink spring, and the backup pad drives kelly upward movement, makes the fixture block run through first draw-in groove and connecting block and run through the second draw-in groove, makes it carry out the joint, then loosens the pull ring, makes each part reset in the spring drive hollow block to make kelly card go into the third draw-in groove, fix to the whole, in order to reach the fixed of keeping somewhere the needle.

Drawings

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

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a side view of the protective cover structure of the present invention.

In the figure: the novel medical needle comprises a needle head 1, a catheter 2, a hose 3, a sleeve 4, a fixing belt 5, a protective cover 6, an elastic belt 7, a first fixing plate 8, a fixing block 9, a first clamping groove 10, a connecting block 11, a clamping block 12, a second clamping groove 13, a third clamping groove 14, a hollow block 15, a spring rod 16, a spring 17, a sliding strip 18, a sliding block 19, a supporting plate 20, a clamping rod 21, a pull ring 22, a glass panel 23 and a second fixing plate 24.

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. 1-3, the present invention provides a technical solution: a disposable venous indwelling needle comprises a needle head 1 and a protective cover 6, wherein the left side of the needle head 1 is communicated with a catheter 2, the left side of the catheter 2 is fixedly connected with a hose 3, the bottom of the needle head 1 is communicated with a sleeve 4, the outer side of the sleeve 4 is sleeved with an elastic belt 7, the elastic belt 7 is arranged on the inner side of the protective cover 6 in a penetrating way, the right side of the elastic belt 7 is fixedly connected with a first fixing plate 8, the left side of the elastic belt 7 is fixedly connected with a second fixing plate 24, the right side of the first fixing plate 8 is fixedly connected with a clamping block 12, the left side of the second fixing plate 24 is fixedly connected with a fixing block 9, the left side of the fixing block 9 is provided with a first clamping groove 10, the right side of the inner wall of the first clamping groove 10 is fixedly connected with a connecting block 11, the top of the inner cavity of the fixing block 9 is connected, a supporting plate 20 is fixedly connected between the two sliding blocks 19, a spring rod 16 is fixedly connected to the top of the supporting plate 20, the top of the spring rod 16 penetrates through the top of the hollow block 15 and is fixedly connected with a pull ring 22, a spring 17 is sleeved on the outer side of the spring rod 16, a clamping rod 21 is fixedly connected to the bottom of the supporting plate 20, a second clamping groove 13 is formed in the right side of the clamping block 12, a third clamping groove 14 is formed in the top of the clamping block 12, a glass panel 23 is movably connected to the front of the protective cover 6, a fixing band 5 is fixedly connected to the surface of the elastic band 7, a hose 3 penetrates through the inner side of the fixing band 5, the needle 1 and one end of the catheter 2 both penetrate through the protective cover 6 and extend to the outer side of the protective cover 6, an anti-slip sleeve is sleeved on the outer side of the pull ring 22, anti-slip threads are formed on the surface of the anti-slip sleeve, the bottom of, the protective cover 6 is provided with a limiting hole, when the needle head 1 is penetrated into a vein, the whole body of the vein indwelling needle is fixed on the surface of the skin by the limiting hole of the protective cover 6, the elastic belt 7 penetrating through two sides of the protective cover 6 is wound on the arm, the fixing plates on two sides of the elastic belt 7 are attached, so that the front surface of the fixing plate is bonded with the magic tape on the back surface, the effect of fixing the indwelling needle head 1 is achieved, the protective cover 6 can prevent the falling-off of the needle head 1 caused by the touch of the infant patient, when the pull ring 22 is pulled, the pull ring 22 drives the spring rod 16 to move upwards to drive the support plate 20 to move upwards and contract the spring 17, the support plate 20 drives the clamping rod 21 to move upwards, the clamping block 12 penetrates through the first clamping groove 10 and the connecting block 11 penetrates through the second clamping groove 13 to be clamped, then the pull ring 22 is loosened to enable the spring 17 to, fix whole to reaching the fixed of keeping somewhere the needle, glass panels 23 is openly installed to protection casing 6, can observe the in service behavior of keeping somewhere the needle in the cover, and elastic webbing 7 middle part is the opening design, and in sleeve pipe 4 penetrated the opening, can prevent that the syringe needle 1 position that the arm motion leads to from changing or droing.

The working principle is as follows: when the needle head 1 is punctured into a vein, the protective cover 6 is provided with a limiting hole, the whole body of the vein indwelling needle is fixed on the surface of the skin by the limiting hole of the protective cover 6, the elastic belt 7 penetrating through two sides of the protective cover 6 is wound on the arm, the fixing plates on two sides of the elastic belt 7 are attached, so that the front surface of the fixing plate is bonded with the magic tape on the back surface, the effect of fixing the indwelling needle head 1 is achieved, the protective cover 6 can prevent the falling-off of the needle head 1 caused by the touch of the infant patient, when the pull ring 22 is pulled, the pull ring 22 drives the spring rod 16 to move upwards to drive the support plate 20 to move upwards and contract the spring 17, the support plate 20 drives the clamping rod 21 to move upwards, the clamping block 12 penetrates through the first clamping groove 10 and the connecting block 11 penetrates through the second clamping groove 13 to be clamped, then the pull ring 22 is loosened to drive each part in the, the whole body is fixed so as to fix the indwelling needle.

Claims

1. A disposable venous indwelling needle comprises a needle head (1) and a protective cover (6), and is characterized in that: the left side of the needle head (1) is communicated with a conduit (2), the left side of the conduit (2) is fixedly connected with a hose (3), the bottom of the needle head (1) is communicated with a sleeve (4), the outer side of the sleeve (4) is sleeved with an elastic belt (7), the elastic belt (7) is arranged on the inner side of a protective cover (6) in a penetrating manner, the right side of the elastic belt (7) is fixedly connected with a first fixing plate (8), the left side of the elastic belt (7) is fixedly connected with a second fixing plate (24), the right side of the first fixing plate (8) is fixedly connected with a clamping block (12), the left side of the second fixing plate (24) is fixedly connected with a fixing block (9), the left side of the fixing block (9) is provided with a first clamping groove (10), the right side of the inner wall of the first clamping groove (10) is fixedly connected with a connecting block (11), and the, the equal fixedly connected with slide bar (18) in both sides of hollow block (15) inner chamber, there are sliding block (19) on the surface of slide bar (18) through spout sliding connection, and fixedly connected with backup pad (20) between two sliding block (19), top fixedly connected with spring beam (16) of backup pad (20), top fixedly connected with pull ring (22) of hollow block (15) are run through at the top of spring beam (16), the outside cover of spring beam (16) is equipped with spring (17), bottom fixedly connected with kelly (21) of backup pad (20), second draw-in groove (13) have been seted up on the right side of fixture block (12), third draw-in groove (14) have been seted up at the top of fixture block (12), the positive swing joint of protection casing (6) has glass panels (23).

2. The single use venous indwelling needle of claim 1, wherein: the surface of the elastic belt (7) is fixedly connected with a fixing belt (5), and the hose (3) penetrates through the inner side of the fixing belt (5).

3. The single use venous indwelling needle of claim 1, wherein: one end of the needle (1) and one end of the catheter (2) both penetrate through the protective cover (6) and extend to the outer side of the protective cover (6).

4. The single use venous indwelling needle of claim 1, wherein: the outer side of the pull ring (22) is sleeved with an anti-slip sleeve, and the surface of the anti-slip sleeve is provided with anti-slip lines.

5. The single use venous indwelling needle of claim 1, wherein: the bottom of the clamping rod (21) penetrates through the hollow block (15) and extends to the inner cavity of the first clamping groove (10).

6. The single use venous indwelling needle of claim 1, wherein: the front surface of the first fixing plate (8) and the back surface of the second fixing plate (24) are both bonded with magic tapes.