CN213098181U

CN213098181U - Fixed cover of internal arteriovenous fistula pjncture needle

Info

Publication number: CN213098181U
Application number: CN202020636951.9U
Authority: CN
Inventors: 江瑞; 杨小凤; 费学芬
Original assignee: Huzhou Central Hospital
Current assignee: Huzhou Central Hospital
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-05-04
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to the technical field of medical auxiliary instruments, in particular to a fixed sleeve of a puncture needle for internal arteriovenous fistula. It comprises a needle handle fixing piece used for fixing the sleeve and arranged on the fixing sleeve; the fixed sleeve comprises a cotton strip body with two detachably connected ends; the needle handle fixing piece comprises a central accommodating part for accommodating a central shaft of the needle handle, sliding grooves respectively arranged at two sides of the central accommodating part, and sliding blocks arranged in the sliding grooves and capable of sliding along the length direction of the cotton strip body; the end part of the sliding chute close to the central accommodating part is provided with a stopping part for stopping the sliding block to continue sliding, one sliding block is provided with a fixing part, the other sliding block is provided with an elastic connecting belt, and the free end of the elastic connecting belt is detachably connected with the fixing part. This application only adopts difficult anaphylaxis, the good silver body of gas permeability as patient's contact site, can effectively prevent patient's skin allergy. Meanwhile, the needle handle is fixed by the needle handle fixing piece, so that the movement of the needle head is limited, and the injury of a patient caused by the displacement of the needle head can be prevented.

Description

Fixed cover of internal arteriovenous fistula pjncture needle

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to a fixed sleeve of a puncture needle for internal arteriovenous fistula.

Background

An arteriovenous internal fistula is an operation for anastomosing the peripheral artery and the superficial vein of a patient through a surgical operation to ensure that arterial blood flows to the superficial vein to meet the blood flow requirement required by hemodialysis, is convenient for blood vessel puncture and establishes hemodialysis extracorporeal circulation. An artificial arteriovenous internal fistula is the life line of a maintenance hemodialysis patient. After the arteriovenous internal fistula is established, the arteriovenous internal fistula can be punctured into the artery and the vein respectively and then is guided to the machine for dialysis treatment. In the prior art, puncture needles are generally fixed by adhesive tapes after puncture, however, dialysis treatment generally lasts for 4 hours, and clinical application shows that skin of many patients is easily allergic to adhesive tapes, skin is red and swollen and blisters can be caused by long-time adhesion, skin of some patients is thin, and skin is torn off when the adhesive tapes are torn off and needles are withdrawn due to long-time adhesion, so that unnecessary injury is brought to the patients.

Patent document CN2910236 discloses an antiallergic scalp acupuncture fixing belt, which consists of a sterile cotton yarn cloth belt and a scalp acupuncture handle fixing cloth strip; the two ends of the sterile cotton yarn cloth belt are respectively provided with a primary and a secondary bonding buckles; the scalp needle handle fixing cloth strips are two, one end of each scalp needle handle fixing cloth strip is fixedly connected to the middle part of the sterile cotton yarn cloth strip, and the lower part of the other end of each scalp needle handle fixing cloth strip is provided with a non-drying glue layer which is connected in a cross mode. The utility model has the advantages of reasonable design, convenient to use, during the infusion, press two not dry glue films below the fixed cloth cross connection position of scalp acupuncture handle on the scalp acupuncture handle, bond the knot fixed again with aseptic cotton gauze area in the son and mother through its both ends on hand and, can infuse.

In this application, puncture needle handle is fixed on the non-setting adhesive layer through fixed cloth, and on the one hand, the skin that the non-setting adhesive layer still probably contacted the patient causes allergy scheduling problem, and on the other hand, the fixed effect of this kind of mode is not good, and when the patient took place to remove, drove the pjncture needle aversion very easily, and at the dialysis in-process, the arteriovenous pjncture needle aversion arouses local swelling, pain, oozing blood, backward flow not smooth scheduling problem easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a fixed sleeve of an arteriovenous internal fistula puncture needle which is allergy-proof and has good fixing effect.

The technical scheme for solving the problems of the utility model is to provide a arteriovenous internal fistula puncture needle fixing sleeve, which comprises a fixing sleeve and a needle handle fixing piece, wherein the fixing sleeve is used for being sleeved on a limb to be punctured of a patient, and the needle handle fixing piece is arranged on the fixing sleeve; the fixed sleeve comprises a cotton sliver body, one end of the cotton sliver body is provided with a plurality of connecting parts along the length direction of the cotton sliver body, and the other end of the cotton sliver body is provided with a connecting body which can be detachably connected with the connecting parts and is connected with different connecting parts to adjust the inner diameter of the fixed sleeve; the needle handle fixing piece comprises a central accommodating part for accommodating a needle handle central shaft, sliding grooves respectively arranged at two sides of the central accommodating part, and sliding blocks arranged in the sliding grooves and capable of sliding along the length direction of the cotton strip body, wherein a needle handle wing clamp cavity is formed between each sliding block and the bottom of each sliding groove; the end part of the sliding groove close to the central accommodating part is provided with a stopping part for stopping the sliding of the sliding block, one sliding block is provided with a fixing part, the other sliding block is provided with an elastic connecting belt, and the free end of the elastic connecting belt is detachably connected with the fixing part.

This application only adopts difficult allergic, ventilative silver body contact patient skin, can effectively prevent patient's skin allergy. Meanwhile, due to the design of the needle handle fixing piece, the use of colloid is avoided, the limitation of the width direction of the sliding groove can prevent the puncture needle from moving back and forth, the connection between the sliding blocks and the combined action of the stopping part can prevent the puncture needle from moving left and right, the elastic connecting band can be further pressed on the needle handle to prevent the puncture needle from moving, and the fixing effect is good.

As the utility model discloses a preferred, the spout is on a parallel with cotton strip body length direction's both sides wall is equipped with the sand grip respectively, the both ends of slider be equipped with respectively can with the sand grip block so that the slider can follow the gliding recess of sand grip.

As another embodiment of the present invention, the sliding groove is parallel to the two side walls of the length direction of the cotton sliver body are respectively provided with a zipper strip, and the sliding block is a zipper seat for connecting two zipper strips.

As the utility model discloses a preferred, the one end that central holding portion was kept away from to the slider all is equipped with the closed side board.

As the utility model discloses a preferred, the fixed part is the connector link, elastic connection area's free end be equipped with the button hole that the connector link cooperation is connected.

As the utility model discloses a preferred, connecting portion and connector are magic subsides circle hair portion and magic subsides thorn hair portion respectively.

Because during the puncture, generally need twice or three times fixed, conduct the utility model discloses a preferred, still include the both ends and can dismantle the second silver body of connection, second silver body is equipped with the needle tubing mounting.

As the utility model discloses a preferred, the needle tubing mounting is close to including the holding portion that is used for holding the needle tubing, setting up in the holding portion the first fixed band of elastic connection area stiff end one side, the free end of first fixed band with the connection can be dismantled to the fixed part.

As the utility model discloses a preferred, elastic connection belt's stiff end is equipped with the second fixed part, the needle tubing mounting is still close to including setting up the holding portion the second fixed band of fixed part one side, the free end of second fixed band with the connection can be dismantled to the second fixed part.

As the utility model discloses a preferred, the connection can be dismantled through magic subsides structure at the both ends of second silver body.

The utility model has the advantages that:

1. this application is through difficult allergic, the contact site of the fine silver body conduct patient of gas permeability, and the setting of needle handle mounting can effectively prevent that patient's skin is allergic on the silver body. Simultaneously, cotton silver body both ends can be dismantled, adjustable connection for this application is applicable to different patients, extensive applicability.

2. This application realizes the fixed of needle handle through setting up the needle handle mounting to restricted the removal of syringe needle, can prevent that the syringe needle displacement from leading to the patient injured.

3. This application is through the further fixed needle tubing of second silver body, improves the fixed effect of pjncture needle when anti-allergic equally.

Drawings

FIG. 1 is a schematic structural view of one embodiment of an arteriovenous internal fistula puncture needle fixing sleeve;

FIG. 2 is a schematic view of the connection of a sliding groove and a sliding block of one embodiment of a arteriovenous internal fistula puncture needle fixing sleeve;

FIG. 3 is a schematic structural view of another embodiment of an arteriovenous internal fistula puncture needle fixing sleeve;

in the figure: a tampon body 1; a central receptacle 21; a chute 22; a stopper portion 221; a rib 222; a fastener chain 223; a slider 23; a needle handle flap clamp cavity 231; a fixed portion 232; an elastic connecting band 233; a second fixing portion 2331; a second tampon body 3; a first fixing band 31; a second securing strap 32.

Detailed Description

The following are embodiments of the present invention and the accompanying drawings are used to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

Example 1

A fixed sleeve of a puncture needle for internal arteriovenous fistula comprises a fixed sleeve for sleeving a limb to be punctured of a patient and a needle handle fixing piece arranged on the fixed sleeve. During the use, at first establish fixed cover around the patient treats puncture internal fistula, nevertheless do not cover internal fistula department, then puncture internal fistula, then adjust fixed cover for the needle handle falls on fixed sheathe in, through the needle handle mounting to the needle handle fix can.

As shown in fig. 1, the fixing sleeve includes a tampon body 1, one end of the tampon body 1 is provided with a plurality of connecting portions along the length direction of the tampon body 1, and the other end is provided with a connector which can be detachably connected with the connecting portions and can be connected with different connecting portions to adjust the inner diameter of the fixing sleeve. In this embodiment, connecting portion and connector are magic subsides circle hair portion and magic subsides thorn hair portion respectively. The connecting part and the connecting body are connected together, so that the strip-shaped cotton sliver body 1 forms a fixed sleeve with adjustable inner diameter.

In this embodiment, as shown in fig. 1 and 2, the needle shaft fixing member includes a central accommodating portion 21 for accommodating a central shaft of the needle shaft, sliding grooves 22 respectively disposed at two sides of the central accommodating portion 21, and a sliding block 23 disposed on the sliding grooves 22 and capable of sliding along a length direction of the tampon body 1, wherein a needle shaft fin clamping cavity 231 is formed between the sliding block 23 and a groove bottom of the sliding groove 22. Because the cotton sliver body 1 is soft, the cotton sliver body 1 comprises a wide cotton sliver as a bottom layer, two parallel narrow cotton slivers are sewn on the wide cotton sliver, and a sliding groove 22 is formed between the narrow cotton slivers. Then, a cloth belt is arranged on the side wall of the narrow cotton strip, and a plurality of tooth members (referring to the zipper strips commonly used in life) are arranged on the other side edge of the cloth belt, namely the convex strip 222. Two ends of the slider 23 are respectively provided with a groove which can be engaged with the protruding strip 222 so that the slider 23 can slide along the protruding strip 222. The slider 23 is of a rigid construction.

The end of the sliding groove 22 close to the central accommodating portion 21 is provided with a stopping portion 221 for stopping the sliding of the sliding block 23, one sliding block 23 is provided with a fixing portion 232, the other sliding block 23 is provided with an elastic connecting belt 233, and the free end of the elastic connecting belt 233 is detachably connected with the fixing portion 232. Since the general adhesive and magnetic connection is easy to disconnect when pulled by external force, in this embodiment, the fixing portion 232 is a connection buckle, and the free end of the elastic connection band 233 is provided with a button hole for matching and connecting with the connection buckle. The ends of the sliders 23 away from the central accommodating portion 21 are each provided with a closed side plate.

In use, the needle handle is in the position shown in figure 1, with the two wings of the needle handle each falling naturally above the runner 22. At this time, the left slider is moved rightward and the right slider is moved leftward so that the slider 23 is overlaid on the needle-shank wing piece, so that the needle-shank wing piece is sandwiched between the slide groove 22 and the slider 23, and cannot move upward and downward in the direction of fig. 1 because the width of the slide groove 22 is limited. After the free end of the elastic connecting band 233 is connected to the fixing part 232, the elastic connecting band 233 is stretched and tightened, the two sliders 23 and the elastic connecting band 233 form an inverted I shape at this time, and the tightened elastic connecting band 233 is pressed above the needle handle and fixes the needle handle. Meanwhile, the two sliding blocks 23 form a whole, when the left sliding block moves to the right, the right sliding block is driven to move to the right, and the stopping part 221 of the right sliding chute prevents the right sliding block from moving to the right, so that the sliding block 23 cannot move to the left or right. This application has reached the fixed effect of good needle handle through above-mentioned mode promptly, and the needle handle obtains fixing, and is non-deformation connection between needle handle and the syringe needle, therefore the syringe needle has also obtained fixedly naturally.

Further, the cotton silver comprises a second cotton silver body 3 with two detachably connected ends, and the second cotton silver body 3 is provided with a needle tube fixing piece. The both ends of second silver body 3 are passed through the magic and are pasted the structure and can be dismantled the connection. The needle tube fixing member includes a receiving portion for receiving the needle tube, and a first fixing strap 31 disposed on a side of the receiving portion close to the fixed end of the elastic connecting strap 233, and a free end of the first fixing strap 31 is detachably connected to the fixing portion 232. The fixed end of the elastic connecting band 233 is provided with a second fixing portion 2331, the needle tube fixing member further comprises a second fixing band 32 provided with a receiving portion near one side of the fixing portion 232, and the free end of the second fixing band 32 is detachably connected with the second fixing portion 2331. The fixing mode can be set as the connection of the connecting buckle and the button hole.

In use, the second cotton sliver body 3 is wrapped around the limb of the patient with the puncture internal fistula, and then the free end of the first fixing belt 31 is connected to the fixing part 232, and the free end of the second fixing belt 32 is connected to the second fixing part 2331, so as to form the fixing structure of "X" in fig. 1.

Example 2

The embodiment of the present embodiment is substantially the same as embodiment 1, and the difference is only that in this embodiment, as shown in fig. 3, two side walls of the sliding chute 22 parallel to the length direction of the tampon body 1 are respectively provided with a zipper strip 223, and the sliding block 23 is a zipper seat for connecting the two zipper strips 223.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a fixed cover of arteriovenous internal fistula pjncture needle which characterized in that: comprises a fixed sleeve used for being sleeved on the limb to be punctured of a patient and a needle handle fixing piece arranged on the fixed sleeve; the fixed sleeve comprises a cotton strip body (1), one end of the cotton strip body (1) is provided with a plurality of connecting parts along the length direction of the cotton strip body (1), and the other end of the cotton strip body is provided with a connecting body which can be detachably connected with the connecting parts and is connected with different connecting parts to adjust the inner diameter of the fixed sleeve; the needle handle fixing piece comprises a central accommodating part (21) for accommodating a needle handle central shaft, sliding grooves (22) respectively arranged at two sides of the central accommodating part (21), and sliding blocks (23) arranged on the sliding grooves (22) and capable of sliding along the length direction of the cotton strip body (1), wherein a needle handle fin hoop cavity (231) is formed between each sliding block (23) and the bottom of each sliding groove (22); the end part of the sliding groove (22) close to the central accommodating part (21) is provided with a stopping part (221) for stopping the sliding block (23) to continuously slide, one sliding block (23) is provided with a fixing part (232), the other sliding block (23) is provided with an elastic connecting belt (233), and the free end of the elastic connecting belt (233) is detachably connected with the fixing part (232).

2. The arteriovenous internal fistula puncture needle fixed sleeve according to claim 1, which is characterized in that: the two side walls of the sliding groove (22) parallel to the length direction of the cotton strip body (1) are respectively provided with a convex strip (222), and two ends of the sliding block (23) are respectively provided with a groove which can be clamped with the convex strip (222) so that the sliding block (23) can slide along the convex strip (222).

3. The arteriovenous internal fistula puncture needle fixed sleeve according to claim 1, which is characterized in that: the two side walls of the sliding groove (22) parallel to the length direction of the cotton strip body (1) are respectively provided with a zipper strip (223), and the sliding block (23) is a zipper seat used for connecting the two zipper strips (223).

4. The arteriovenous internal fistula puncture needle fixed sleeve according to claim 2, which is characterized in that: and one end of the sliding block (23) far away from the central accommodating part (21) is provided with a closed side plate.

5. The arteriovenous internal fistula puncture needle fixed sleeve according to claim 1, which is characterized in that: the fixing part (232) is a connecting buckle, and a button hole matched and connected with the connecting buckle is formed in the free end of the elastic connecting band (233).

6. The arteriovenous internal fistula puncture needle fixed sleeve according to claim 1, which is characterized in that: the connecting part and the connector are respectively a magic tape round hair part and a magic tape thorn hair part.

7. The arteriovenous internal fistula puncture needle fixed sleeve according to claim 1, which is characterized in that: the cotton silver cotton sliver fixing device is characterized by further comprising a second cotton sliver body (3) with two ends detachably connected, and the second cotton sliver body (3) is provided with a needle tube fixing piece.

8. The arteriovenous internal fistula puncture needle fixed sleeve according to claim 7, which is characterized in that: the needle tube fixing piece comprises a containing part for containing the needle tube and a first fixing band (31) arranged on one side of the containing part close to the fixed end of the elastic connecting band (233), and the free end of the first fixing band (31) is detachably connected with the fixing part (232).

9. The arteriovenous internal fistula puncture needle fixed sleeve according to claim 8, which is characterized in that: the fixed end of the elastic connecting band (233) is provided with a second fixing part (2331), the needle tube fixing piece further comprises a second fixing band (32) provided with a containing part close to one side of the fixing part (232), and the free end of the second fixing band (32) is detachably connected with the second fixing part (2331).

10. The arteriovenous internal fistula puncture needle fixed sleeve according to claim 7, which is characterized in that: the two ends of the second cotton strip body (3) are detachably connected through the magic tape structure.