CN217219695U - Arteriovenous internal fistula puncture indwelling needle - Google Patents

Abstract

The utility model discloses a needle is kept somewhere in internal arteriovenous fistula puncture, including the needle of staying, it is equipped with the pjncture needle to stay the needle endotheca, the draw-in groove has been seted up on the needle of staying, be provided with elastic cushion on the draw-in groove, elastic cushion is driven laminating skin. The utility model provides a needle is kept somewhere in internal arteriovenous fistula puncture, elastic cushion has been utilized, can make the detaining needle pass through elastic cushion's the certain angle of assistance slope when being fixed on one's body at the patient, make the fixed detaining can not make the phenomenon that the pipe of delaying is buckled appear when keeping the needle, thereby reduce the probability of pinprick department inflammation, the elastic cushion of different angles can also be changed according to the angle of pricking, the disinfection band-aid has still been utilized, can press down the elastic ball cover when needs are disinfected, so that the medical cotton piece of iodophor infiltration of elastic ball cover inside plays the condition of prevention and treatment skin inflammation, and the disinfection band-aid adopts disposable design, make things convenient for medical personnel to use.

Description

Arteriovenous internal fistula puncture indwelling needle

Technical Field

The utility model relates to a dialysis apparatus technical field relates to a needle is kept somewhere in arteriovenous internal fistula puncture particularly.

Background

The kidney disease patients at the present stage usually adopt a dialysis treatment mode to maintain body operation, and the treatment scheme which is most suitable for long-time use at present is a dialysis treatment for maintaining large blood volume by arteriovenous internal fistula.

According to patent No. CN201911023048.3, publication (publication) date: 2020-01-14, discloses an arteriovenous internal fistula puncture needle for blood purification, belongs to the technical field of blood purification equipment, and solves the technical problem that a metal needle is easy to damage blood vessels when the position kept by an indwelling needle in the prior art moves or the blood sampling angle of the indwelling needle is adjusted. The arteriovenous internal fistula puncture needle for blood purification comprises a fluororesin sleeve indwelling needle and a puncture mechanism, wherein the fluororesin sleeve indwelling needle comprises an indwelling fluororesin sleeve. During the blood purification process of the patient, the indwelling fluororesin sleeve is indwelling in the patient. The puncture mechanism is used for puncture of the internal arteriovenous fistula for blood purification of a patient, is lined on the fluororesin sleeve indwelling needle, punctures the arteriovenous through the puncture mechanism and enables the fluororesin sleeve indwelling needle to enter the arteriovenous. Only a fluororesin sleeve is left in the blood vessel, and no metal needle is left. Because the indwelling fluororesin sleeve is soft, the arm can be moved or the position of the indwelling fluororesin sleeve and the blood sampling angle can be adjusted in the hemodialysis process so as to obtain larger blood sampling amount.

In the long-term dialysis treatment, the retained needle on the arm stays in the artificial blood vessel or the blood vessel of the patient for a long time, the body condition of the patient is affected by the phenomena of inflammation and the like of the needle insertion part due to long-time puncture, and the needle insertion of the artificial blood vessel and the common blood vessel needs a certain angle, and the retained needle is slightly bent at the fixed time delay, so that the phenomena of inflammation and the like are more easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a needle is kept somewhere in arteriovenous internal fistula puncture can keep certain angle when being detained the needle and keep somewhere to prevent to detain the phenomenon that the needle is buckled and is aroused skin inflammation, and can carry out the iodophor wet compress to detaining needle eye department, with the condition of prevention and treatment inflammation.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a needle is kept somewhere in internal arteriovenous fistula puncture, includes the needle that stays, it is equipped with the pjncture needle to stay the needle endotheca, the draw-in groove has been seted up on the needle that stays, be provided with the elastic cushion block on the draw-in groove, the elastic cushion block is driven laminating skin.

Preferably, the medical cotton-padded mattress further comprises a disinfection adhesive bandage, the disinfection adhesive bandage comprises an elastic part, a flow guide hole is formed in the elastic part, one end of the flow guide hole is fixedly communicated with an elastic ball sleeve, the other end of the flow guide hole is provided with a medical cotton sheet, and the medical cotton sheet is driven to be attached to the needle eye of the retention needle.

Preferably, one end of the elastic ball sleeve is provided with a plastic film, an iodophor is filled in the elastic ball sleeve, and the elastic ball sleeve is pressed to drive the iodophor to soak the medical cotton sheets.

Preferably, the retention needle is provided with a retention tube, the puncture needle is provided with a needle head, and the needle head extends out of the retention tube for a preset distance.

Preferably, the puncture needle is provided with a blood return port.

Preferably, the needle is a stainless steel needle.

Preferably, one end of the retention needle is sleeved with a heparin cap, and a hemostatic clamp is clamped on the retention needle.

In the technical scheme, the utility model provides a pair of needle is kept somewhere in arteriovenous internal fistula puncture possesses following beneficial effect: utilize elastic cushion, can make the needle that stays incline certain angle through elastic cushion's assistance when being fixed on one's body, make the fixed needle that stays not make the phenomenon that detains the pipe and appear buckling, thereby reduce the probability of eye of the needle department inflammation, can also change the elastic cushion of different angles according to the angle of pricking the needle, the disinfection band-aid has still been utilized, can press the elastic ball cover when needs are disinfected, so that the medical cotton piece of the inside iodophor infiltration of elastic ball cover plays the condition of prevention and treatment skin inflammation, and the disinfection band-aid adopts disposable design, make things convenient for medical personnel to use.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is an overall schematic diagram provided in an embodiment of the present invention;

FIG. 2 is an exploded view of the detaining needle and the puncture needle provided by the embodiment of the present invention;

fig. 3 is an exploded view of the disinfection bandage provided by the embodiment of the present invention.

Description of reference numerals:

1. retention of the needle; 11. a card slot; 12. an elastic cushion block; 13. a retention tube; 14. a hemostatic clamp; 15. a heparin cap; 2. puncturing needles; 21. a needle head; 22. a blood return port; 3. sterilizing the adhesive bandage; 31. an elastic portion; 311. a flow guide hole; 32. an elastic ball sleeve; 33. medical cotton sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

As shown in figures 1-3, the arteriovenous internal fistula puncture indwelling needle comprises an indwelling needle 1, a puncture needle 2 is sleeved in the indwelling needle 1, a clamping groove 11 is formed in the indwelling needle 1, an elastic cushion block 12 is arranged on the clamping groove 11, and the elastic cushion block 12 is driven to be attached to skin.

Specifically, the cover is equipped with pjncture needle 2 in the needle 1 that stays, the draw-in groove 11 has been seted up on the needle 1 that stays, the joint has elastic cushion 12 on the draw-in groove 11, elastic cushion 12 divide into 25 and 37 two kinds, correspond artificial blood vessel and natural blood vessel respectively, at first select elastic cushion 12 according to the angle of pricking the needle when using, on the needle 1 that stays is gone into to elastic cushion 12 joint, then will stay needle 1 that stays and insert patient's blood vessel department, use medical sticky tape fixed stay needle 1 after the completion, so that elastic cushion 12 laminating skin.

Among the above-mentioned technical scheme, elastic cushion block 12 has been utilized, can make detaining needle 1 incline certain angle through elastic cushion block 12's assistance when being fixed on one's body the patient, make fixed detaining can not make detaining pipe 13 appear the phenomenon of buckling when remaining needle 1, thereby reduce the probability of pinprick department inflammation, can also change the elastic cushion block 12 of different angles according to the angle of pricking, disinfection adhesive bandage 3 has still been utilized, can press elastic ball cover 32 when needs disinfection, so that the medical cotton piece 33 of iodophor infiltration of elastic ball cover 32 inside plays the condition of prevention and treatment skin inflammation, and disinfection adhesive bandage 3 adopts disposable design, make things convenient for medical personnel to use.

As the embodiment that this utility model further provided, be provided with on the retention needle 1 and be detained pipe 13, be provided with syringe needle 21 on the pjncture needle 2, syringe needle 21 extends to be detained pipe 13 predetermined distance, and predetermined distance is 2mm ~ 5mm, pricks syringe needle 21 into the blood vessel earlier during the use, then holds retention needle 1 and extracts pjncture needle 2.

As the embodiment that the utility model further provides, still include disinfection band-aid 3, disinfection band-aid 3 includes elasticity portion 31, water conservancy diversion hole 311 has been seted up on the elasticity portion 31, the fixed intercommunication elasticity ball cover 32 of water conservancy diversion hole 311 one end, the other end is provided with medical cotton piece 33, elasticity ball cover 32 one end is provided with plastic film, and irritate the iodophor in, during the use at first aim at eye of the needle department laminating with medical cotton piece 33, then press elasticity ball cover 32, in order to break plastic film, the iodophor flows to medical cotton piece 33 along water conservancy diversion hole 311 this moment, in order to realize the sterile purpose of wet compress.

As a further embodiment of the present invention, the puncture needle 2 is provided with a blood return port 22 for the medical staff to observe.

As a further embodiment provided by the utility model, the needle 21 is made of stainless steel, and has good mechanical properties to facilitate skin puncture.

As the embodiment that this practicality further provided, the cover is equipped with heparin cap 15 to detain 13 pot head of pipe, and goes up the centre gripping and have hemostatic clamp 14, plays the effect that closes the passageway and prevent to bleed.

The working principle is as follows: at first according to the angle of pricking the needle and select elastic cushion 12, on inserting elastic cushion 12 joint stagnation needle 1, prick syringe needle 21 into the blood vessel again, when seeing back blood mouth 22 blood appear, hold stagnation needle 1 and extract pjncture needle 2, then use the fixed stagnation needle 1 of medical sticky tape, so that elastic cushion 12 laminating skin, aim at the gomphosis department laminating with medical cotton piece 33 at last, then press elastic ball cover 32, with the extrusion broken plastic film, the iodophor flows to medical cotton piece 33 along water conservancy diversion hole 311 this moment, in order to realize the sterile purpose of wet compress.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (7)

1. The utility model provides a needle is kept somewhere in arteriovenous internal fistula puncture, its characterized in that, is including staying needle (1), it is equipped with pjncture needle (2) to stay needle (1) endotheca, draw-in groove (11) have been seted up on staying needle (1), be provided with elastic cushion (12) on draw-in groove (11), elastic cushion (12) are driven laminating skin.

2. The arteriovenous internal fistula puncture indwelling needle according to claim 1, further comprising a disinfection adhesive bandage (3), wherein the disinfection adhesive bandage (3) comprises an elastic part (31), the elastic part (31) is provided with a flow guide hole (311), one end of the flow guide hole (311) is fixedly communicated with an elastic ball sleeve (32), the other end of the flow guide hole is provided with a medical cotton sheet (33), and the medical cotton sheet (33) is driven to be attached to the needle eye of the indwelling needle (1).

3. The arteriovenous internal fistula puncture indwelling needle according to claim 2, wherein a plastic film is arranged at one end of the elastic ball sleeve (32) and filled with iodophors, and the elastic ball sleeve (32) is pressed to drive the iodophors to infiltrate the medical cotton sheets (33).

4. The arteriovenous internal fistula puncture indwelling needle according to claim 1, wherein a retention tube (13) is provided on the retention needle (1), a needle head (21) is provided on the puncture needle (2), and the needle head (21) extends out of the retention tube (13) by a predetermined distance.

5. The arteriovenous internal fistula puncture indwelling needle according to claim 1, wherein a blood return port (22) is formed on the puncture needle (2).

6. The arteriovenous internal fistula puncture indwelling needle according to claim 4, wherein the needle head (21) is a stainless steel needle head.

7. The arteriovenous internal fistula puncture indwelling needle according to claim 1, wherein a heparin cap (15) is sleeved at one end of the indwelling needle (1), and a hemostatic clamp (14) is clamped thereon.

Images