CN211409973U

CN211409973U - Cardiovascular puncture arm fixing device

Info

Publication number: CN211409973U
Application number: CN201922359832.3U
Authority: CN
Inventors: 孙洋; 赵红; 肖嫣
Original assignee: Fuwai Hospital of CAMS and PUMC
Current assignee: Fuwai Hospital of CAMS and PUMC
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-04
Anticipated expiration: 2029-12-24

Abstract

An arm fixing device for cardiovascular puncture effectively solves the problems that the existing elbow joint stopping device is complex in operation and the included angle between the front arm and the rear arm of a patient cannot be adjusted; the connecting device comprises two arc-shaped plates, wherein the two arc-shaped plates are identical in structure, the front end and the rear end of the opposite sides of the two arc-shaped plates are hinged through pin shafts respectively, the upper side and the lower side of the rear end of each arc-shaped plate are hinged with arc-shaped fixed plates, the openings of the upper side and the lower side of the rear end of each arc-shaped plate face to the left, the free end of each fixed plate is provided with a toothed plate, the arc-shaped plates are rotatably connected with rotating shafts which are positioned between the two toothed plates and are in the vertical axial direction, the upper end and the lower end of each rotating shaft are respectively provided with clamping blocks which can be clamped on the toothed plates on the corresponding side of the rotating shafts, the front ends of pin; the arm fixing device has the advantages that medical staff can fix the arm of a patient conveniently, the structure is simple, the conception is novel, the use is convenient, and the practicability is high.

Description

Cardiovascular puncture arm fixing device

Technical Field

The utility model relates to a cardiovascular internal medicine auxiliary instrument technical field, especially a cardiovascular puncture arm fixing device.

Background

The brachial artery puncture is currently used as an important vascular access for percutaneous interventional therapy, the recovery time of the brachial artery puncture is short, and complications such as hematoma, pseudoaneurysm and the like occur during the brachial artery puncture, and the hematoma is caused by the special anatomy of the brachial artery puncture part (the movement of the forearm can cause the movement of upper arm muscles to cause the displacement of the brachial artery) and the local bleeding phenomenon at the puncture part after the operation caused by the repeated puncture of an operator in a short time and many times;

medical personnel are currently striving towards improving the level of penetration of the operator and fixing the forearm of a patient with an elbow immobilization device, but the existing elbow immobilization devices are complicated to operate and vary from patient to patient in their elbow, and cannot adapt to different patients by means of angular adjustment.

SUMMERY OF THE UTILITY MODEL

To the situation, in order to compensate the deficiency of the prior art, the utility model aims to provide a cardiovascular puncture arm fixing device, the effectual current elbow joint detent operation of having solved is complicated, can't adjust the problem of contained angle between two arms around the patient moreover.

The technical scheme of its solution is, the utility model discloses a two arcs, the pin shaft is articulated to be connected respectively at both ends around two arcs structure is the same and its opposite side, the upper and lower both sides of arc rear end articulate respectively has arc and opening fixed plate towards the left side, the free end of every fixed plate all is equipped with the pinion rack, rotate on the arc and be connected with between two pinion racks and axial pivot from top to bottom, both ends are equipped with the fixture block that can block on its corresponding side pinion rack respectively about the pivot, the round pin axle front end of front side runs through the arc and is equipped with the square, the front side of two arc hinged ends articulates respectively has the connecting rod, two connecting rod free ends articulate there is a connecting block, rotate on the connecting block and be connected with the screw rod with square threaded connection.

Compared with the prior art, the beneficial effects of the utility model are that: the pinion rack and the fixture block that are equipped with, it is fixed with patient's arm to be convenient for medical staff, the fixture block sets up in the pivot, the accessible is changeed epaxial handle and is relieved spacingly, the medical staff of being convenient for pulls down this device from patient's arm, the contained angle between two arcs can be adjusted to connecting block and the connecting rod that are equipped with to be applicable to the patient of different situation, screw rod and square that are equipped with, make angle modulation convenience very, this simple structure, the design is novel, high durability and convenient use, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a perspective view of the utility model.

Fig. 3 is an enlarged view of a in fig. 2 according to the present invention.

Fig. 4 is a full-section top axonometric view of the utility model.

Fig. 5 is an enlarged view of B in fig. 4 according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 5, including two arcs 1, two arcs 1 are the same in structure and the front and back both ends of its opposite side are respectively sold the axle and are articulated to be connected, the upper and lower both sides of arc 1 rear end articulate respectively has arc and opening towards left fixed plate 2, the free end of every fixed plate 2 all is equipped with pinion rack 3, rotate on the arc 1 and be connected with be located between two pinion racks 3 and upper and lower axial pivot 4, both ends are equipped with respectively about pivot 4 and can block the fixture block 5 on its side pinion rack 3 that corresponds, the round pin axle front end of front side runs through arc 1 and is equipped with square 6, the front side of two arcs 1 hinged ends articulates respectively has connecting rod 7, two connecting rod 7 free ends articulate there is a connecting block 8, rotate on the connecting block 8 and be connected with screw rod 9 with square 6 threaded connection.

In order to prevent the toothed plate 3 from interfering with the arc-shaped plate 1, the front end of the arc-shaped plate 1 is provided with two rectangular grooves 10 which are in one-to-one correspondence with the toothed plate 3 and are through from front to back, and the two toothed plates 3 can be respectively inserted into the rectangular grooves 10 on the corresponding sides.

In order to enable the arc-shaped plate 1 and the rotating shaft 4 to be rotatably connected, the arc-shaped plate 1 is provided with a cylinder 11 which is positioned between the two toothed plates 3 and is in the vertical axial direction, and the rotating shaft 4 is coaxially and rotatably connected with the cylinder 11.

In order to enable the rotating shaft 4 to be reset, the middle part of the rotating shaft 4 is provided with a torsion spring 12, and the free end of the torsion spring 12 is fixedly connected with the cylinder 11.

In order to rotate the rotating shaft 4 conveniently, the upper side and the lower side of the cylinder 11 are respectively provided with a sliding chute 13 which is through from inside to outside, the upper side and the lower side of the rotating shaft 4 are respectively provided with a handle 14 in the left-right direction, and the free ends of the two handles 14 respectively extend out of the sliding chutes 13 on the corresponding sides and are connected through a cross rod 15.

In order to rotate the screw 9, the right end of the screw 9 penetrates through the connecting block 8 and is provided with a rotating rod 16 in the front-back direction.

When the utility model is used, two arc plates 1 in the device are both in the initial state of the up-down direction, firstly, two cross rods 15 are sequentially pulled forward from top to bottom, the cross rods 15 drive two handles 14 to swing forward in two chutes 13, the two handles 14 drive a rotating shaft 4 to rotate anticlockwise in a cylinder 11, the rotating shaft 4 drives fixture blocks 5 at the left and right ends to swing leftward, meanwhile, the rotating shaft 4 enables a torsion spring 12 to generate torsional force, when the two fixture blocks 5 are respectively separated from tooth plates 3 at the corresponding sides, the cross rods 15 are kept still, the two fixing plates 2 are pulled rightward, the two fixing plates 2 drive the two tooth plates 3 to respectively leave rectangular grooves 10 at the corresponding sides, the torsion spring 12 drives the rotating shaft 4 to rotate clockwise after the cross rods 15 are loosened, and the rotating shaft 4 drives the handles 14 and the fixture blocks 5 to return to the initial positions;

when all the fixing plates 2 are completely opened, the arms of a patient are placed in the two arc-shaped plates 1, the front arms and the rear arms of the patient are positioned in the different arc-shaped plates 1, then the fixing plates 2 are pressed leftwards, the fixing plates 2 drive the toothed plates 3 to respectively enter the rectangular grooves 10 of the corresponding sides of the fixing plates, each toothed plate 3 is in contact with the fixture block 5 of the corresponding side of the toothed plate until each fixing plate 2 is in contact with the skin of the arm of the patient, the fixing plates 2 are loosened, and the fixture blocks 5 fix the toothed plates 3 at the current positions to finish the fixation of the arm of the patient;

when the included angle of the forearm and the hind arm of the patient needs to be reduced, the rotating rod 16 is rotated clockwise, the rotating rod 16 drives the screw rod 9 to rotate clockwise on the connecting block 8, the screw rod 9 is in threaded connection with the square 6, the square 6 is kept still, the screw rod 9 drives the connecting block 8 to move rightwards, the connecting block 8 drives the two connecting rods 7 to swing leftwards, the included angle between the two connecting rods 7 is gradually reduced, the two connecting rods 7 respectively drive the arc plates 1 on the corresponding sides to swing rightwards, the included angle between the forearm and the hind arm of the patient is gradually reduced by the two arc plates 1, when the included angle of the forearm and the hind arm of the patient meets the operation requirement, the rotating rod 16 is stopped to rotate, the screw rod 9 has self-locking performance, the two arc plates 1 can keep the current state, and the.

Claims

1. A cardiovascular puncture arm fixing device comprises two arc plates (1), and is characterized in that the two arc plates (1) are identical in structure, the front end and the rear end of the opposite sides of the two arc plates are hinged through a pin shaft respectively, the upper side and the lower side of the rear end of each arc plate (1) are hinged with an arc-shaped fixed plate (2) with an opening facing to the left respectively, the free end of each fixed plate (2) is provided with a toothed plate (3), the arc plates (1) are rotatably connected with a rotating shaft (4) which is positioned between the two toothed plates (3) and is axial up and down, the upper end and the lower end of the rotating shaft (4) are respectively provided with a clamping block (5) which can be clamped on the toothed plate (3) on the corresponding side, the front end of a pin shaft on the front side penetrates through the arc plates (1) and is provided with a square block (6), the front sides of the hinged ends of, the connecting block (8) is rotatably connected with a screw rod (9) in threaded connection with the square block (6).

2. The arm fixing device for cardiovascular puncture according to claim 1, wherein the front end of the arc-shaped plate (1) is provided with two rectangular grooves (10) which are in one-to-one correspondence with the toothed plate (3) and are through from front to back, and the two toothed plates (3) can be respectively inserted into the rectangular grooves (10) on the corresponding sides.

3. The arm fixing device for cardiovascular puncture according to claim 1, wherein the arc plate (1) is provided with a cylinder (11) which is located between the two toothed plates (3) and has an axial direction from top to bottom, and the rotating shaft (4) is coaxially and rotatably connected with the cylinder (11).

4. A cardiovascular puncture arm fixing device according to claim 1, wherein the torsion spring (12) is arranged in the middle of the rotating shaft (4), and the free end of the torsion spring (12) is fixedly connected with the cylinder (11).

5. The arm fixing device for cardiovascular puncture according to claim 3, wherein the upper and lower sides of the cylinder (11) are respectively provided with a sliding slot (13) which is through inside and outside, the upper and lower sides of the rotating shaft (4) are respectively provided with a handle (14) in the left-right direction, and the free ends of the two handles (14) respectively extend out of the sliding slots (13) on the corresponding sides and are connected through a cross bar (15).

6. A cardiovascular puncture arm fixing device according to claim 1, wherein the right end of the screw rod (9) penetrates through the connecting block (8) and is provided with a rotating rod (16) in the front-back direction.