CN219742911U

CN219742911U - Arteria puncture support

Info

Publication number: CN219742911U
Application number: CN202320655917.XU
Authority: CN
Inventors: 方茜; 陈吉祥
Original assignee: Tongji Medical College of Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-09-26
Anticipated expiration: 2033-03-27

Abstract

The utility model provides an arterial puncture stent, and relates to the technical field of medical appliances. The device comprises a base, wherein the upper end of the base is provided with an opening, the opening is provided with a placing plate, the placing plate comprises a bracket arm plate and a bracket wrist plate, one end of the bracket wrist plate, which is close to the bracket arm plate, is rotationally connected with the base, a lifting assembly is arranged in the base, the upper end of the lifting assembly is connected with the lower part of the bracket wrist plate, and part of the lifting assembly is positioned outside the base; one end of the base is provided with a positioning rod, and the horizontal height of the positioning rod can be adjusted. The patient places the arm on placing the board to put the palm below the locating lever, the palm can be followed wrist joint and taken down naturally, and the angle of holding in the palm the wrist board is adjusted through lifting unit, can adjust the bending angle of wrist joint, then adjusts the horizontal height of locating lever, makes locating lever and patient's palm laminating, can accomplish fixedly to patient's arm, and the patient only needs to keep arm laminating arm board, can make the wrist joint be in best bending angle all the time, thereby improves the success rate of puncture.

Description

Arteria puncture support

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an arterial puncture stent.

Background

At present, when a doctor performs arterial puncture operation on a patient, the patient is required to lie on the back, the arm to be punctured is abducted, the patient is guided to place the arm, and the radial artery of the patient is kept in a straightened state as much as possible, so that the success rate of arterial puncture is increased. In the current stage of puncture operation, a wrist pad is mostly adopted to be padded at the wrist joint of a patient, so that the radial artery of the patient is naturally straightened as much as possible, and the fatigue of the patient is reduced. However, the understanding ability and the execution ability of each patient are different, and there is no way to make the wrist joint at an optimal bending angle according to the instruction of the doctor. During the puncturing process, other actions of the patient often lead to movement of the arm, and the bending angle of the wrist joint changes, which may cause the needle core to penetrate the radial artery, resulting in a tube placement failure. For unconscious patients, the use of wrist pads increases the difficulty of the lancing operation even more.

Disclosure of Invention

The utility model aims to provide an arterial puncture support, which comprises a base, wherein the upper end of the base is provided with an opening, a placing plate is arranged at the opening, the placing plate comprises a bracket arm plate and a wrist supporting plate, one end of the wrist supporting plate, which is close to the bracket arm plate, is rotationally connected with the base, a lifting assembly is arranged in the base, the upper end of the lifting assembly is connected with the lower part of the wrist supporting plate, and part of the lifting assembly is positioned outside the base; one end of the base is provided with a positioning rod, and the horizontal height of the positioning rod can be adjusted. The patient places the arm on placing the board to put the palm below the locating lever, the palm can be followed wrist joint department and naturally sagged, through the angle of lifting unit regulation support wrist board, can adjust the bending angle of wrist joint, then adjust the level of locating lever, make locating lever and patient's palm laminating, can accomplish fixedly to patient's arm, the patient only need keep arm laminating support arm board, can make the wrist joint be in best bending angle all the time. For unconscious patients, the unconscious patients can not apply acting force to the arm, and when arterial puncture is performed, the arm can be attached to the bracket arm plate by means of the gravity of the arm, so that the wrist joint is at the optimal bending angle, and the success rate of the puncture is improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the arterial puncture support comprises a base, wherein the upper end of the base is provided with an opening, a placing plate is arranged at the opening, the placing plate comprises a bracket arm plate and a bracket wrist plate, one end of the bracket wrist plate, which is close to the bracket arm plate, is rotationally connected with the base, a lifting assembly is arranged in the base, the upper end of the lifting assembly is connected with the lower part of the bracket wrist plate, and part of the lifting assembly is positioned outside the base;

one end of the base is provided with a positioning rod, and the horizontal height of the positioning rod can be adjusted.

Preferably, the top surface of the bracket arm plate is provided with a containing groove, and the groove surface of the containing groove is arc-shaped.

Preferably, the top surface of the wrist supporting plate is an inclined surface, and the height of one end of the wrist supporting plate, which is close to the bracket arm plate, is larger than the height of the other end of the wrist supporting plate.

Further, lifting unit includes fixed subassembly, rotating assembly and flexible subassembly, and flexible subassembly passes through fixed subassembly to be connected with the base, and rotating assembly's both ends all rotate with the base to be connected, and rotating assembly's one end runs through the lateral wall of base, and rotating assembly is connected with flexible subassembly.

Further, the rotating assembly comprises a worm, both ends of the worm are rotationally connected with the base, one end of the worm penetrates through the side wall of the base to be located on the outer side of the base, and a rotating wheel is arranged at one end located on the outer side of the base.

Further, the fixed subassembly includes first fixing base and second fixing base, and the lower extreme of first fixing base is connected with the bottom of base, and the below at the wrist support board is installed to the second fixing base.

Further, the telescopic assembly includes dwang and connecting rod, and the lower extreme of dwang is provided with the dwang, and the dwang passes through the upper portion rotation of dwang and first fixing base to be connected, and the periphery of dwang is provided with the worm wheel, and the upper portion of dwang is equipped with the mounting hole, and the lower extreme of connecting rod stretches into in the mounting hole, and with dwang threaded connection, the upper end of connecting rod is provided with the dwang, and dwang and partial connecting rod are located the second fixing base, and the second fixing base can be spacing the connecting rod.

Preferably, one side of the base provided with the wrist supporting plate is provided with a containing groove, the opposite side is provided with a fixing groove, the positioning rod is located in the containing groove, the positioning rod can move along the height direction of the containing groove and rotate by taking the lower end of the positioning rod as the center, and the upper end of the positioning rod can be connected with the fixing groove.

The utility model has at least the following advantages or beneficial effects:

1. the bracket arm plate and the bracket wrist plate can limit the arm of a patient and enable the wrist joint of the patient to bend naturally, the angle of the bracket wrist plate can be adjusted through the telescopic component, and a doctor can judge whether the bending angle of the wrist joint is proper or not. The positioning rod can limit the position of the palm of the patient, so that the back of the hand is attached to the inclined plane of the wrist support plate, and the angle of the wrist joint can be kept unchanged under the condition that the arm of the patient is attached to the arm support plate all the time.

2. The rotating rod is rotationally connected with the first fixing seat through the rotating piece, and the worm drives the worm wheel to rotate when the worm rotates, so that the rotating rod is driven to rotate by taking the axis as the center. The connecting rod passes through threaded connection with the dwang, and the second fixing base can be spacing to the connecting rod, prevents the connecting rod rotation, and at the dwang rotation, under the condition of connecting rod non-rotation, the change of the whole height of completion dwang and connecting rod, the spin can rotate in the second fixing base to accomplish the rotation action of holding in the palm the wrist board, change the bending angle of wrist joint.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an arterial puncture stent according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the base provided by the present utility model;

FIG. 3 is a schematic view of the structure of the connecting rod provided by the utility model mounted on the wrist supporting plate;

fig. 4 is a schematic structural view of the positioning rod provided by the utility model mounted on the base.

Icon: 100-base; 101-a receiving groove; 102-positioning a rod; 103-a fixed groove; 105-locking member; 110-placing a plate; 111-bracket arm plates; 113-a wrist support plate; 115-a holding tank; 130-a lifting assembly; 150-a fixed assembly; 151-a first fixing seat; 153-a second fixing base; 170-a rotating assembly; 171-worm; 173-rotating the wheel; 190-telescoping assembly; 191-rotating a rod; 192-connecting rods; 193-rotating member; 194-worm wheel; 195-mounting holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1, an arterial puncture stent includes a base 100, wherein an opening is provided at an upper end of the base 100, i.e. a receiving cavity is provided in the base 100, a placing plate 110 is provided at the opening, the placing plate 110 includes a bracket plate 111 and a wrist supporting plate 113, and one end of the wrist supporting plate 113 close to the bracket plate 111 is rotatably connected with a side wall of the base 100 through a pin shaft. The lifting assembly 130 is arranged in the base 100, the upper end of the lifting assembly 130 is connected with the lower part of the wrist supporting plate 113, part of the lifting assembly 130 is positioned on the outer side of the base 100, the height of the lifting assembly 130 positioned in the base 100 can be changed by controlling the lifting assembly 130 positioned on the outer side of the base 100, so that the wrist supporting plate 113 is pushed and pulled, the wrist supporting plate 113 rotates around a pin shaft as a center, the angle of the wrist supporting plate 113 is changed, the surface of the wrist supporting plate 113 is an inclined surface, the height of the wrist supporting plate 113 close to one end of the arm supporting plate 111 is larger than the height of the other end of the wrist supporting plate 113, and in the embodiment, the inclined surface is similar to the surface shape of a patient's arm when the palm naturally sags down and the back of hand and fingers are relaxed. In addition, one end of the base 100 provided with the wrist supporting plate 113 is provided with a positioning rod 102, and the horizontal height of the positioning rod 102 can be adjusted. When the medical staff uses the bracket to fix the arm of a patient, the arm of the patient needs to be placed on the placement plate 110, the palm of the patient is upwards positioned below the positioning rod 102, the arm is attached to the surface of the supporting arm plate 111, the back of hand position is attached to the surface of the supporting wrist plate 113, then the lifting assembly 130 is controlled, the supporting wrist plate 113 rotates around the pin shaft, the angle of the supporting wrist plate 113 is changed, the bending angle of the wrist joint is changed until the bending angle of the wrist joint is suitable for puncture operation, then the horizontal height of the positioning rod 102 is adjusted, the positioning rod 102 is attached to the palm of the patient, the positioning rod 102 is fixed, the bending angle of the wrist joint can be kept, and the subsequent puncture and tube placing operation is convenient.

Preferably, the top surface of the bracket arm plate 111 is provided with a containing groove 115, and the groove surface of the containing groove 115 is arc-shaped, so that the fit with the arm of the patient is improved. Soft cushions are provided on the surfaces of the bracket arm plate 111 and the wrist support plate 113 to increase comfort for the patient.

Referring to fig. 2, the lifting assembly 130 includes a fixed assembly 150, a rotating assembly 170, and a telescopic assembly 190. The telescopic component 190 is connected with the base 100 through the fixing component 150, two ends of the rotating component 170 are both connected with the base 100 in a rotating mode, one end of the rotating component 170 penetrates through the side wall of the base 100 to be located on the outer side of the base 100, the rotating component 170 is connected with the telescopic component 190, and the upper end of the telescopic component 190 is connected with the wrist supporting plate 113.

Specifically, the rotating assembly 170 includes a worm 171, two ends of the worm 171 are rotatably connected to the base 100, and one end of the worm extends through a sidewall of the base 100 and is located outside the base 100. A rotating wheel 173 is provided at one end located outside the base 100, and the rotating wheel 173 is provided coaxially with the worm 171. By rotating the rotating wheel 173, the medical staff can drive the worm 171 to rotate, and the worm 171 is rotationally connected with the telescopic assembly 190.

Specifically, the fixing assembly 150 includes a first fixing base 151 and a second fixing base 153, the lower end of the first fixing base 151 is connected to the bottom of the base 100, and the second fixing base 153 is installed below the wrist supporting plate 113, as shown in fig. 3.

Specifically, the telescopic assembly 190 comprises a rotating rod 191 and a connecting rod 192, wherein a rotating member 193 is arranged at the lower end of the rotating rod 191, and the rotating member 193 is in interference connection with an inner hole of a bearing and the rotating rod 191. The lower end of the rotating lever 191 and the rotating member 193 are positioned at the upper inner side of the first fixing base 151, and the outer circumferential wall of the bearing is fixedly connected with the first fixing base 151. The outer circumference of the rotating rod 191 is provided with a worm wheel 194, the worm wheel 194 is connected with the worm 171, and when the worm 171 rotates, the worm wheel 194 can be driven to rotate, so that the rotating rod 191 is driven to rotate. The upper portion of the rotating rod 191 is provided with a mounting hole 195, the lower end of the connecting rod 192 extends into the mounting hole 195 and is in threaded connection with the rotating rod 191, the upper half portion of the connecting rod 192 is of a non-cylindrical structure, and the lower half portion of the connecting rod 192 is of a cylindrical structure. The upper end of connecting rod 192 is provided with the dwang, and dwang and some connecting rod 192 are located second fixing base 153, and second fixing base 153 is the hemisphere, is provided with waist type hole on the second fixing base 153, and connecting rod 192 is located waist type downthehole, and the width in waist type hole and the width looks adaptation of connecting rod 192, waist type hole can carry out spacingly to connecting rod 192, prevents connecting rod 192 and dwang 191 corotation.

When the medical staff rotates the rotating wheel 173, the worm 171 rotates together with the rotating wheel 173, thereby driving the worm wheel 194 connected with the worm 171 to rotate, and the worm wheel 194 drives the rotating rod 191 to rotate. The rotating rod 191 is in threaded connection with the connecting rod 192, and the waist-shaped hole limits the connecting rod 192, so that the connecting rod 192 can only move along the length direction of the waist-shaped hole and cannot rotate, and therefore, when the rotating rod 191 rotates, the lower end of the connecting rod 192 continuously enters or exits the mounting hole 195, and the overall height of the rotating rod 191 and the connecting rod 192 is changed. The second fixing seat 153 can limit the rotating ball, when the overall height of the rotating rod 191 and the connecting rod 192 changes, the rotating ball rotates in the second fixing seat 153, the connecting rod 192 moves along the length direction of the waist-shaped hole, and the wrist supporting plate 113 is driven to rotate by taking the pin shaft as the center, so that the angle adjustment of the wrist joint is realized.

Referring to fig. 4 again, a receiving slot 101 is formed on a side of the base 100 where the wrist supporting plate 113 is disposed, a notch is formed on a side of the receiving slot 101, the width of the notch is smaller than that of the receiving slot 101, and a fixing slot 103 is formed on an opposite side. The locating rod 102 is located in the accommodating groove 101, and the lower end of the locating rod 102 is also provided with a rotating ball, and the diameter of the rotating ball is larger than the width of the notch. The locating rod 102 can move along the height direction of the accommodating groove 101, and rotates by taking a rotating ball at the lower end of the locating rod 102 as a center, so that the locating rod 102 is positioned in the notch, the upper end of the locating rod 102 is positioned in the fixing groove 103, a locking piece 105 is arranged at the upper end of the locating rod 102, the locking piece 105 is in threaded connection with the locating rod 102, the diameter of the locking piece 105 is larger than the width of the fixing groove 103, a medical staff holds the middle part of the locating rod 102, rotates the locking piece 105, and the side wall of the rest base 100 of the locking piece 105 is abutted to the rotating ball, so that the locating rod 102 is limited by matching with the rotating ball.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The arterial puncture support is characterized by comprising a base, wherein the upper end of the base is provided with an opening, a placing plate is arranged at the opening, the placing plate comprises a supporting arm plate and a supporting wrist plate, one end of the supporting wrist plate, which is close to the supporting arm plate, is rotationally connected with the base, a lifting assembly is arranged in the base, the upper end of the lifting assembly is connected with the lower part of the supporting wrist plate, and part of the lifting assembly is positioned outside the base;

2. The arterial puncture stent according to claim 1, wherein the top surface of the bracket plate is provided with a containing groove, and the groove surface of the containing groove is arc-shaped.

3. The arterial puncture stent of claim 1, wherein the top surface of the wrist supporting plate is an inclined surface, and the height of the wrist supporting plate near one end of the wrist supporting plate is greater than the height of the wrist supporting plate at the other end.

4. The arterial puncture stent according to claim 1, wherein the lifting assembly comprises a fixed assembly, a rotating assembly and a telescopic assembly, the telescopic assembly is connected with the base through the fixed assembly, two ends of the rotating assembly are both rotationally connected with the base, one end of the rotating assembly penetrates through the side wall of the base, and the rotating assembly is connected with the telescopic assembly.

5. The arterial puncture stent of claim 4, wherein the rotating assembly comprises a worm, both ends of the worm are rotatably connected to the base, one end of the worm penetrates through a side wall of the base to be located on the outer side of the base, and a rotating wheel is arranged on one end located on the outer side of the base.

6. The arterial puncture stent of claim 4, wherein the securing assembly comprises a first securing seat and a second securing seat, the lower end of the first securing seat being connected to the bottom of the base, the second securing seat being mounted below the wrist support plate.

7. The arterial puncture stent according to claim 6, wherein the telescopic component comprises a rotating rod and a connecting rod, the lower end of the rotating rod is provided with a rotating member, the rotating rod is rotatably connected with the upper portion of the first fixing seat through the rotating member, a worm wheel is arranged on the periphery of the rotating rod, a mounting hole is formed in the upper portion of the rotating rod, the lower end of the connecting rod extends into the mounting hole and is in threaded connection with the rotating rod, a rotating ball is arranged at the upper end of the connecting rod, the rotating ball and a part of the connecting rod are located in the second fixing seat, and the second fixing seat can limit the connecting rod.

8. The arterial puncture stent according to claim 1, wherein the base is provided with a receiving groove on one side of the wrist supporting plate, a fixing groove is provided on the opposite side of the wrist supporting plate, the positioning rod is located in the receiving groove, the positioning rod can move along the height direction of the receiving groove and rotate around the lower end of the positioning rod, and the upper end of the positioning rod can be connected with the fixing groove.