CN213940995U

CN213940995U - Assembly for radial artery puncture catheterization

Info

Publication number: CN213940995U
Application number: CN202021992376.2U
Authority: CN
Inventors: 陈新德
Original assignee: First Peoples Hospital of Jiashan
Current assignee: First Peoples Hospital of Jiashan
Priority date: 2020-09-13
Filing date: 2020-09-13
Publication date: 2021-08-13
Anticipated expiration: 2030-09-13

Abstract

The utility model discloses a component for placing a tube for radial artery puncture, which comprises a wrist placing mechanism and a palm fixing mechanism; the wrist placing mechanism comprises a placing plate, rotating shafts are symmetrically arranged on two sides of the placing plate, and ratchet wheels are coaxially arranged on the end surfaces of the rotating shafts; the palm fixing mechanism comprises a shaft sleeve rotatably connected with the rotating shaft, a pawl matched with the ratchet wheel is arranged on the end face of the shaft sleeve, a shaft arm is radially arranged on the outer side face of the shaft sleeve, the shaft arm is far away from a palm fixing plate fixedly connected with one end of the shaft sleeve, the palm fixing plate is provided with a first side in the length direction, and a first binding belt is arranged on the first side. Through the structure, the medical care personnel can keep the back stretching state that the palm turns outwards and the wrist is protruded without pressing by hands. Thereby when making the artery blood sampling, medical personnel can adopt both hands to operate, very big promotion the success rate of artery blood sampling. Additionally, the utility model discloses the in-process that makes patient's palm keep the posture need not extra medical personnel help, has reduced the blood sampling degree of difficulty and has promoted work efficiency.

Description

Assembly for radial artery puncture catheterization

Technical Field

The utility model relates to the field of medical equipment, especially a radial artery puncture is put and is used subassembly when managing.

Background

Compared with venous blood sampling, the arterial blood sampling has higher difficulty, the position of the blood vessel is deep, the arterial blood sampling can only be touched by medical care personnel, and nerves are accompanied around the blood vessel, so that the consequences are not imaginable once the nerves are punctured by mistake. When present wrist department artery blood sampling, in order to can be more clear the experience go out the specific position at patient's artery place, promote the success rate of blood sampling, medical personnel often require patient's wrist department back of the body to stretch the position, however this kind of hand position is contradicted to some extent with the functional position of people's hand, and patient is difficult to accomplish this kind of posture by oneself. Therefore, the blood sampling process needs the assistance of medical staff. Currently, two methods are generally adopted: 1. one hand of the medical staff presses the palm of the patient to enable the wrist of the patient to be outwards turned and protruded, and the other hand of the medical staff performs touch feeling and then inserts a needle to take blood. 2. Two medical personnel cooperate, one person carries out the design of patient's wrist portion and the other carries out the artery blood sampling. The first mode is difficult to fix and protrude at the wrist position, and the patient is easy to twitch during blood sampling, so that the position of the contact pin is inaccurate, and the success rate is low. The second approach is that cooperation is difficult and pin failure is also likely to occur. In addition, after the artery blood sampling is finished, a certain amount of bleeding often appears because the artery pressure is higher, and the blood sampling platform is often polluted if the bleeding can not be processed in time, so that the risk of hospital infection is increased.

SUMMERY OF THE UTILITY MODEL

In view of the above insufficiency, the utility model aims to provide a radial artery puncture is put and is used subassembly when pipe, can realize the posture requirement of the state of stretching back of wrist in order to satisfy the artery blood sampling under the circumstances of fixed patient's wrist.

In order to achieve the above purpose, the technical scheme of the utility model is that:

an assembly for radial artery puncture catheterization comprises a wrist placing mechanism and a palm fixing mechanism; the wrist placing mechanism comprises a placing plate, rotating shafts are symmetrically arranged on two sides of the placing plate, and ratchet wheels are coaxially arranged on the end faces of the rotating shafts; the palm fixing mechanism comprises a shaft sleeve rotatably connected with the rotating shaft, a pawl matched with the ratchet wheel is arranged on the end face of the shaft sleeve, a shaft arm is radially arranged on the outer side face of the shaft sleeve, one end of the shaft arm is far away from the shaft sleeve and is fixedly connected with a palm fixing plate, the palm fixing plate is provided with a first side in the length direction, and a first binding belt is arranged on the first side.

Further, the palm fixing plate is provided with a second side opposite to the first side, and a first clamping connector is arranged on the second side in a protruding mode; the first binding belt is provided with a plurality of first adjusting holes which are uniformly distributed along the length direction of the first binding belt; when the palm is bound, the first clamping joint is inserted into the first adjusting hole.

Further, the upper surface of the placing plate is in a downward-concave C shape.

Further, a second binding belt is arranged on a side vertical surface of the placing plate in the length direction.

Furthermore, a second clamping connector is convexly arranged on the symmetrical side surface of the side vertical surface of the placing plate provided with the second binding belt; the second binding belt is provided with a plurality of second adjusting holes which are uniformly distributed along the length direction of the second binding belt; when the wrist is bound, the second clamping joint is inserted in the second adjusting hole.

Further, a gauze layer is arranged on the upper surface of the placing plate.

Further, place the inside cavity of board and keep away from pivot one end and set up and put the thing mouth, put the sealed lid of detachable lock on the thing mouth.

The working principle is as follows: when needs carry out the artery blood sampling to patient, medical personnel open the palm fixed plate to the level, then place patient's wrist on placing the board, prevent patient's palm on the palm fixed plate, fix the palm on the palm fixed plate through first ligature area afterwards, make it unable action. Then the medical staff turns the palm fixing plate again to make the patient in a state that the palm is turned outwards and the wrist is protruded. It should be noted that the existence of the ratchet wheel and the pawl makes the palm fixing plate only turn in one direction, so that after the palm fixing plate turns in place, the patient can not turn over without breaking loose the first binding belt.

Has the advantages that: through the structure, the medical care personnel can keep the state that the palm is turned outwards and the wrist is protruded without pressing by hands. Thereby when making the artery blood sampling, medical personnel can adopt both hands to operate, very big promotion the success rate of artery blood sampling. Additionally, the utility model discloses the in-process that makes patient's palm keep the posture need not extra medical personnel help, has reduced the blood sampling degree of difficulty and has promoted work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 shows the palm of the patient being fixed by the present invention.

Reference numerals: 100. wrist placement mechanism 110, placement plate 111, storage opening 120, rotation shaft 130, ratchet 140, second binding band 141, second adjustment hole 150, second snap joint 160, gauze layer 170, sealing cover 200, palm securing mechanism 210, shaft sleeve 220, pawl 230, shaft arm 240, palm securing plate 241, first side 242, second side 250, first binding band 251, first adjustment hole 260, first snap joint.

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.

An assembly for radial artery puncture catheterization shown in fig. 1-3 comprises a wrist placing mechanism 100 and a palm fixing mechanism 200. The wrist placement mechanism 100 includes a placement plate 110 having a substantially rectangular parallelepiped shape. The rotation shaft 120 is symmetrically arranged on both sides of the placing plate, and the ratchet wheel 130 is coaxially arranged on the end surface of the rotation shaft. It should be noted that the outer edge of the ratchet wheel is smaller than the outer edge of the rotating shaft, so as to avoid affecting subsequent installation. The palm fixing mechanism 200 specifically includes a shaft sleeve 210 rotatably connected to the rotating shaft, and a pawl 220 adapted to the ratchet is disposed on an end surface of the shaft sleeve. When the shaft sleeve is sleeved on the rotating shaft, the pawl is clamped into the ratchet wheel, so that the shaft sleeve can only rotate in one direction. A shaft arm 230 is radially arranged on the outer side of the shaft sleeve, and a palm fixing plate 240 is fixedly connected to one end of the shaft arm far away from the shaft sleeve. Specifically, the palm fixing plate has a first side 241 in a length direction, and a first binding band 250 is provided on a side edge of the first side. When the palm of the patient needs to be fixed, the medical staff patient places the palm on the palm fixing plate, and then the tying band is wound on the palm and the palm fixing plate and then is pulled and fixed to realize effective restraint of the palm.

As a further improvement of the above embodiment, the palm rest has a second side 242 opposite to the first side, and a first snap joint 260 is protrudingly provided on the second side. Meanwhile, the first binding band is provided with a plurality of first adjusting holes 251 which are uniformly distributed along the length direction of the first binding band. After the palm of the patient is placed on the palm fixing plate, medical staff pull the free end of the first binding belt to one side provided with the first clamping connector, then the first binding belt is tensioned, the first binding belt is tensioned on the surface of the palm of the patient, and finally the first clamping connector is inserted into the first adjusting hole to achieve rapid binding of the hand of the patient.

As a further improvement of the above embodiment, in order to prevent the wrist of the patient from falling off the placing plate during the operation of the utility model. The upper surface of the placing plate is of a downward sunken C shape.

As a further improvement of the above embodiment, in order to further improve the stability when the wrist is placed on the placing board. A second binding band 140 is provided on a side elevation of the placing plate in the longitudinal direction.

As a further improvement of the above embodiment, the operation of medical staff is facilitated, and the difficulty of binding is reduced. The placing plate is provided with a second clamping connector 150 which is protrudingly arranged on the symmetrical side vertical surface of the second binding belt. And a plurality of second adjusting holes 141 are formed in the second binding band to be uniformly arranged along the length direction of the second binding band.

As a further improvement of the above embodiment, a certain amount of bleeding may occur during arterial blood sampling. In order to prevent the blood from flowing out of the blood collection table from contaminating the blood collection table, a gauze layer 160 is provided on the upper surface of the placement plate.

As a further improvement of the above embodiment, the risk of cross-infection is reduced for one person to carry out. The hollow one end of just keeping away from the pivot of placing the board inside sets up puts thing mouth 111. And a sealing cover 170 is detachably buckled and covered on the object placing opening. Specifically, disposable articles required for blood sampling, such as a tourniquet belt, sterilized cotton, sterilized gloves and the like, can be placed in the hollow placing plate.

Claims

1. The utility model provides a use subassembly during radial artery puncture catheterization which characterized in that: comprises a wrist placing mechanism and a palm fixing mechanism; the wrist placing mechanism comprises a placing plate, rotating shafts are symmetrically arranged on two sides of the placing plate, and ratchet wheels are coaxially arranged on the end faces of the rotating shafts; the palm fixing mechanism comprises a shaft sleeve rotatably connected with the rotating shaft, a pawl matched with the ratchet wheel is arranged on the end face of the shaft sleeve, a shaft arm is radially arranged on the outer side face of the shaft sleeve, one end of the shaft arm is far away from the shaft sleeve and is fixedly connected with a palm fixing plate, the palm fixing plate is provided with a first side in the length direction, and a first binding belt is arranged on the first side.

2. The assembly for catheterization for radial artery puncture of claim 1, wherein: the palm fixing plate is provided with a second side opposite to the first side, and a first clamping joint is arranged on the second side in a protruding mode; the first binding belt is provided with a plurality of first adjusting holes which are uniformly distributed along the length direction of the first binding belt; when the palm is bound, the first clamping joint is inserted into the first adjusting hole.

3. An assembly for radial artery puncture catheterization of claim 1 or 2, wherein: the upper surface of the placing plate is of a downward sunken C shape.

4. The assembly for catheterization for radial artery puncture of claim 3, wherein: and a second binding belt is arranged on the side vertical surface of the placing plate in the length direction.

5. The assembly for catheterization for radial artery puncture of claim 4, wherein: the placing plate is provided with a second clamping connector which is protrudingly arranged on the symmetrical side surface of the side vertical surface of the second binding belt; the second binding belt is provided with a plurality of second adjusting holes which are uniformly distributed along the length direction of the second binding belt; when the wrist is bound, the second clamping joint is inserted in the second adjusting hole.

6. The assembly for catheterization for radial artery puncture of claim 5, wherein: and a gauze layer is arranged on the upper surface of the placing plate.

7. The assembly for catheterization for radial artery puncture of claim 6, wherein: the placing plate is hollow inside and is far away from one end of the rotating shaft to form a placing opening, and the detachable buckling sealing cover is arranged on the placing opening.