CN112022567A

CN112022567A - Upper limb fixer for hemodialysis

Info

Publication number: CN112022567A
Application number: CN202010831118.4A
Authority: CN
Inventors: 任焕焕; 刘新婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-12-04

Abstract

The invention discloses an upper limb fixer for hemodialysis, which comprises a clamping mechanism, wherein the upper end of the clamping mechanism is fixedly connected with a fixed seat, the fixed seat is connected with a movable seat in a sliding manner, a fixed assembly is arranged on the fixed seat, the upper end of the movable seat is provided with a height adjusting mechanism, the height adjusting mechanism is connected with a movable seat, and the upper end of the movable seat is provided with an upper limb fixing assembly; the fixator can be flexibly arranged on a seat or a sickbed by arranging the clamping mechanism, is suitable for various treatment places, is flexible to operate and is convenient to use; the fixed position of the arm of the patient can be transversely adjusted by arranging the fixed seat and the movable seat, and the fixed position of the arm of the patient can be highly adjusted by arranging the height adjusting component; make the latex bag aerify through extrusion latex ball and fix patient's arm, at the in-process of fixed patient's arm, avoid influencing blood circulation and make the arm numb cause the discomfort to the patient, appear the problem of arm nerve damage even.

Description

Upper limb fixer for hemodialysis

Technical Field

The invention relates to the technical field of medical instruments, in particular to an upper limb fixer for hemodialysis.

Background

Hemodialysis (HD) is one of the alternative treatments for the kidney of patients with acute and chronic renal failure. The method comprises the steps of draining blood in vivo to the outside of the body, enabling the blood and electrolyte solution (dialysate) with similar body concentration to be inside and outside one hollow fiber through a dialyzer consisting of a plurality of hollow fibers, and carrying out substance exchange through dispersion, ultrafiltration, adsorption and convection principles, so as to remove metabolic waste in the body and maintain the balance of electrolyte and acid and alkali; at the same time, the excess water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis.

The existing upper limb fixing device for hemodialysis has the problems that the device cannot be flexibly arranged in various places, the position is fixed and difficult to adjust, and the blood circulation is influenced in the process of fixing the arms of a patient, so that the patient is uncomfortable due to arm numbness, and even the arm nerve is damaged.

Disclosure of Invention

The present invention is directed to an upper limb fixer for hemodialysis to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an upper limbs fixer for hemodialysis, includes fixture, fixture's upper end fixedly connected with fixing base, sliding connection has the sliding seat on the fixing base, be equipped with fixed subassembly on the fixing base, the upper end of sliding seat is equipped with altitude mixture control mechanism, be connected with on the altitude mixture control mechanism and remove the seat, the upper end of removing the seat is equipped with the fixed subassembly of upper limbs.

Preferably, the clamping mechanism comprises a fixing frame, a fixed clamping block is fixedly connected to one side of the lower end of the fixing frame, a threaded sleeve is fixedly connected to the other side of the lower end of the fixing frame, a screw rod is connected to the threaded sleeve in a threaded mode, a first rocking handle is fixedly connected to the outer side end of the screw rod, and a movable clamping block is rotatably connected to the inner side end of the screw rod.

Preferably, the spout of type is seted up to the upper surface of fixing base, the lower fixed surface of sliding seat is connected with and spout matched with slider, slider sliding connection is in the spout, a plurality of draw-in grooves have been seted up to the lower terminal surface equidistance of slider, the storage tank has been seted up to lower extreme one side of spout, fixed subassembly sets up in the storage tank, fixed subassembly and draw-in groove cooperate.

Preferably, fixed subassembly includes the slide bar, the slide bar runs through in the tank bottom of storage tank, the lower extreme fixedly connected with stopper of slide bar, the upper end fixed connection card post of slide bar, card post and draw-in groove cooperate, it is equipped with the pressure spring still to overlap on the slide bar, the pressure spring is located between the tank bottom of card post and storage tank.

Preferably, the height adjusting mechanism comprises two lead screws, the two lead screws are connected to the movable seat in a rotating mode, a belt transmission mechanism is connected between the two lead screws, the two lead screws are connected with the movable seat in a threaded mode, and one of the two lead screws is fixedly connected with a rocking handle II.

Preferably, the belt transmission mechanism comprises two belt wheels, the two belt wheels are respectively and fixedly connected with a screw rod, and a transmission belt is connected between the two belt wheels.

Preferably, the fixed subassembly of upper limbs includes fixed frame, be equipped with circular opening in the fixed frame, the annular latex bag of circular opening inner wall fixedly connected with, the latex bag is connected with the one end of latex tube through single joint, the other end of latex tube is connected with discharge valve, discharge valve is connected with the one end of latex ball, the other end of latex ball is connected with air return valve.

Preferably, the upper limb fixer for hemodialysis specifically comprises the following operation methods:

step one, rotating a rocking handle I, placing a fixed seat at a proper position on a chair armrest or a sickbed fence, reversely rotating the rocking handle, and driving a movable clamping block to be matched with a fixed clamping block through a screw rod to fix the fixed seat;

pulling out the sliding rod through a limiting block to enable the clamping column to be separated from the clamping groove, moving the movable seat to a position where the arm is properly placed, loosening the limiting block, and driving the clamping column to enter the clamping groove through a pressure spring to fix the movable seat;

step three, stretching the arm of the patient into the circular opening of the fixing frame, continuously extruding the latex ball, filling gas into the latex bag through the latex ball, and fixing the arm of the patient through expansion of the latex bag;

step four, rotating the rocking handle II according to requirements to drive one screw rod to rotate, driving the other screw rod to synchronously rotate through a belt transmission mechanism, and driving the movable seat to ascend to a proper height through the two screw rods to perform hemodialysis on a patient;

and step five, after the hemodialysis is finished, screwing out the air valve cap on the exhaust valve, so that the air in the latex bag is discharged, and the patient takes out the arm.

Compared with the prior art, the invention has the beneficial effects that:

1) this an upper limbs fixer for hemodialysis can set up the fixer on seat or sick bed in a flexible way through setting up fixture, is applicable to various treatment places, and the flexible operation is convenient for use.

2) This an upper limbs fixer for hemodialysis can carry out horizontal regulation to patient's arm fixed position through setting up fixing base and sliding seat to set up altitude mixture control subassembly and can carry out altitude mixture control to patient's arm fixed position, can adjust patient's arm position according to the fixed position of fixer, treatment demand and patient's comfort level, convenient to use can satisfy the requirement of treatment demand and patient's comfort level on the different positions that set up.

3) According to the upper limb fixer for hemodialysis, the arms of a patient can be fixed by arranging the upper limb fixing component, so that the situations that the arms are moved to cause needle drop and blood vessel puncture in the hemodialysis process are avoided; simultaneously, the latex bag is inflated by extruding the latex ball to fix the arm of the patient, so that the problem that the arm is numb and uncomfortable to the patient and even the arm nerve is damaged due to the influence on blood circulation is avoided in the process of fixing the arm of the patient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a partially enlarged view of portion B of FIG. 1;

in the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a fixed seat 1, a movable seat 2, a movable seat 3, a fixed frame 4, a fixed clamping block 5, a threaded sleeve 6, a screw rod 7, a rocking handle I8, a movable clamping block 9, a sliding chute 10, a sliding block 11, a clamping groove 12, a containing groove 13, a sliding rod 14, a limiting block 15, a clamping column 16, a pressure spring 17, a screw rod 18, a rocking handle II 19, a belt wheel 20, a driving belt 21, a fixed frame 22, a latex bag 23, a latex tube 24, an exhaust valve 25, a latex ball 26 and an air return valve 27.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 3, the present invention provides the following technical solutions:

example one

The utility model provides an upper limbs fixer for hemodialysis, includes fixture, fixture's upper end fixedly connected with fixing base 1, sliding connection has sliding seat 2 on fixing base 1, is equipped with fixed subassembly on the fixing base 1, and the upper end of sliding seat 2 is equipped with high adjustment mechanism, is connected with on the high adjustment mechanism and removes seat 3, and the upper end of removing seat 3 is equipped with the fixed subassembly of upper limbs.

The clamping mechanism comprises a fixed frame 4, one side of the lower end of the fixed frame 4 is fixedly connected with a fixed clamping block 5, the other side of the lower end of the fixed frame 4 is fixedly connected with a threaded sleeve 6, the threaded sleeve 6 is internally threaded with a screw 7, the outer side end of the screw 7 is fixedly connected with a rocking handle I8, and the inner side end of the screw 7 is rotatably connected with a movable clamping block 9; the fixing device can be flexibly arranged on a seat or a sickbed by arranging the clamping mechanism, is suitable for various treatment places, and is flexible to operate and convenient to use.

The upper surface of the fixed seat 1 is provided with a convex sliding groove 10, the lower surface of the movable seat 2 is fixedly connected with a sliding block 11 matched with the sliding groove 10, the sliding block 11 is connected in the sliding groove 10 in a sliding manner, the lower end surface of the sliding block 11 is provided with a plurality of clamping grooves 12 at equal intervals, one side of the lower end of the sliding groove 10 is provided with a containing groove 13, the fixing component is arranged in the containing groove 13, and the fixing component is matched with the clamping grooves 12; the fixed component comprises a sliding rod 14, the sliding rod 14 penetrates through the bottom of the accommodating groove 13, the lower end of the sliding rod 14 is fixedly connected with a limiting block 15, the upper end of the sliding rod 14 is fixedly connected with a clamping column 16, the clamping column 16 is matched with the clamping groove 12, the sliding rod 14 is further sleeved with a pressure spring 17, and the pressure spring 17 is located between the clamping column 16 and the bottom of the accommodating groove 13; the height adjusting mechanism comprises two screw rods 18, the two screw rods 18 are both rotatably connected to the movable seat 2, a belt transmission mechanism is connected between the two screw rods 18, the two screw rods 18 are both in threaded connection with the movable seat 3, and the upper end of one screw rod 18 is fixedly connected with a rocking handle II 19; the belt transmission mechanism comprises two belt wheels 20, the two belt wheels 20 are respectively and fixedly connected with a screw rod 18, and a transmission belt 21 is connected between the two belt wheels 20; can carry out horizontal regulation to patient's arm fixed position through setting up fixing base 1 and sliding seat 2 to set up altitude mixture control subassembly and can carry out altitude mixture control to patient's arm fixed position, can adjust patient's arm position according to the fixed position of fixer, treatment demand and patient's comfort level, convenient to use can satisfy the requirement of treatment demand and patient's comfort level on different setting positions.

The upper limb fixing component comprises a fixing frame 22, a circular opening is arranged in the fixing frame 22, the inner wall of the circular opening is fixedly connected with an annular latex bag 23, the latex bag 23 is connected with one end of a latex tube 24 through a single joint, the other end of the latex tube 24 is connected with an exhaust valve 25, the exhaust valve 25 is connected with one end of a latex ball 26, and the other end of the latex ball 26 is connected with an air return valve 27; the arm of the patient can be fixed by arranging the upper limb fixing component, so that the situations that the arm moves in the hemodialysis process and the needle is removed and the blood vessel is punctured are avoided; meanwhile, the latex bag 23 is inflated by squeezing the latex ball 26 to fix the arms of the patient, so that the problems that the arm numbness caused by the influence on blood circulation causes discomfort to the patient and even the arm nerve injury is caused are solved in the process of fixing the arms of the patient.

Example two

An upper limb fixer for hemodialysis, which comprises the following operation methods:

step one, rotating a rocking handle I8, placing a fixed seat 1 at a proper position on a chair armrest or a sickbed fence, reversely rotating the rocking handle 8, and driving a movable clamping block 9 to be matched with a fixed clamping block 5 through a screw 7 to fix the fixed seat 1;

step two, the slide rod 14 is pulled out through the limiting block 15, the clamping column 16 is separated from the clamping groove 12, the limiting block 15 is loosened after the movable seat 2 is moved to a position where an arm is properly placed, and the clamping column 16 is driven by the pressure spring 17 to enter the clamping groove 12 to fix the movable seat 2;

step three, stretching the arm of the patient into the circular opening of the fixing frame 22, continuously extruding the latex ball 26, filling gas into the latex bag 23 through the latex ball 26, and expanding the latex bag 23 to fix the arm of the patient;

step four, rotating the rocking handle II 19 according to requirements to drive one screw rod 18 to rotate, driving the other screw rod 18 to synchronously rotate through a belt transmission mechanism, and performing hemodialysis on a patient after the two screw rods 18 drive the movable seat 3 to ascend to a proper height;

step five, after the hemodialysis is finished, the air valve cap on the exhaust valve 25 is screwed out, so that the air in the latex bag 23 is discharged, and the patient takes out the arm.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an upper limbs fixer for hemodialysis, its characterized in that, includes fixture, fixture's upper end fixedly connected with fixing base (1), sliding connection has sliding seat (2) on fixing base (1), be equipped with fixed subassembly on fixing base (1), the upper end of sliding seat (2) is equipped with high adjustment mechanism, the last removal seat (3) that is connected with of high adjustment mechanism, the upper end of removing seat (3) is equipped with the fixed subassembly of upper limbs.

2. The upper limb fixator for hemodialysis according to claim 1, wherein the clamping mechanism comprises a fixing frame (4), one side of the lower end of the fixing frame (4) is fixedly connected with a fixing clamping block (5), the other side of the lower end of the fixing frame (4) is fixedly connected with a threaded sleeve (6), a screw (7) is connected in the threaded sleeve (6) in a threaded manner, a first rocking handle (8) is fixedly connected at the outer side end of the screw (7), and a movable clamping block (9) is rotatably connected at the inner side end of the screw (7).

3. The upper limb fixator for hemodialysis according to claim 1, wherein the upper surface of the fixed seat (1) is provided with a convex-shaped sliding groove (10), the lower surface of the movable seat (2) is fixedly connected with a sliding block (11) matched with the sliding groove (10), the sliding block (11) is slidably connected in the sliding groove (10), the lower end surface of the sliding block (11) is equidistantly provided with a plurality of clamping grooves (12), one side of the lower end of the sliding groove (10) is provided with a containing groove (13), the fixing component is arranged in the containing groove (13), and the fixing component is matched with the clamping grooves (12).

4. The upper limb fixator for hemodialysis according to claim 1, wherein the fixing component comprises a sliding rod (14), the sliding rod (14) penetrates through the bottom of the containing groove (13), a limiting block (15) is fixedly connected to the lower end of the sliding rod (14), a clamping column (16) is fixedly connected to the upper end of the sliding rod (14), the clamping column (16) is matched with the clamping groove (12), a compression spring (17) is further sleeved on the sliding rod (14), and the compression spring (17) is located between the clamping column (16) and the bottom of the containing groove (13).

5. The upper limb fixator for hemodialysis according to claim 1, wherein the height adjustment mechanism comprises two lead screws (18), the two lead screws (18) are both rotatably connected to the movable base (2), a belt transmission mechanism is connected between the two lead screws (18), the two lead screws (18) are both in threaded connection with the movable base (3), and a crank II (19) is fixedly connected to the upper end of one lead screw (18).

6. The upper limb fixator for hemodialysis according to claim 5, wherein the belt transmission mechanism comprises two belt wheels (20), the two belt wheels (20) are fixedly connected with a screw rod (18), and a transmission belt (21) is connected between the two belt wheels (20).

7. The upper limb fixer for hemodialysis of claim 1, wherein the upper limb fixing component comprises a fixing frame (22), a circular opening is arranged in the fixing frame (22), the inner wall of the circular opening is fixedly connected with a circular latex bag (23), the latex bag (23) is connected with one end of a latex tube (24) through a single connector, the other end of the latex tube (24) is connected with an exhaust valve (25), the exhaust valve (25) is connected with one end of a latex ball (26), and the other end of the latex ball (26) is connected with an air return valve (27).

8. The upper limb fixator for hemodialysis according to any one of claims 1 to 7, comprising the following operation methods:

step one, rotating a rocking handle I (8), placing a fixed seat (1) at a proper position on a seat armrest or a sickbed fence, reversely rotating the rocking handle (8), and driving a movable clamping block (9) to be matched with a fixed clamping block (5) through a screw rod (7) to fix the fixed seat (1);

pulling out the sliding rod (14) through the limiting block (15), enabling the clamping column (16) to be separated from the clamping groove (12), moving the movable seat (2) to a position where an arm is properly placed, loosening the limiting block (15), and driving the clamping column (16) to enter the clamping groove (12) through the pressure spring (17) to fix the movable seat (2);

step three, stretching the arm of the patient into the circular opening of the fixing frame (22), continuously extruding the latex ball (26), filling gas into the latex bag (23) through the latex ball (26), and expanding the latex bag (23) to fix the arm of the patient;

step four, rotating the rocking handle II (19) according to requirements to drive one screw rod (18) to rotate, driving the other screw rod (18) to synchronously rotate through a belt transmission mechanism, and performing hemodialysis on a patient after the two screw rods (18) drive the movable seat (3) to ascend to a proper height;

and step five, after hemodialysis is finished, the air valve cap on the exhaust valve (25) is screwed out, so that air in the latex bag (23) is discharged, and the patient takes out the arm.