Puncture needle fixing device for hemodialysis

Abstract

The invention is applicable to the technical field of hemodialysis, and provides a puncture needle fixing device for hemodialysis, which comprises a main supporting seat used for supporting the arm of a patient, a cold and hot compress assembly and a cooling assembly mounted on the main supporting seat and used for cold compress or hot compress of the arm of the puncture needle of the patient, and a fixing assembly arranged on the main supporting seat and used for fixing the arm of the puncture needle of the patient. The fixing assembly comprises a fixing belt and a pressing air bag, the fixing belt is fixedly installed on the main supporting seat and used for protecting the position of the puncture needle on the arm of a patient, the pressing air bag is connected with the fixing belt and the main supporting seat, and through the arrangement of the fixing assembly, the position of the puncture needle of the patient is pressed and fixed through the effect of air pressure; therefore, the position of the puncture needle cannot be easily pulled, the puncture needle is prevented from puncturing the blood vessel of a patient, the safety of hemodialysis of the patient is improved, the operation is simple and convenient, and the pressing and fixing pressure on the puncture needle can be adjusted according to the feeling of the patient.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of hemodialysis, and particularly relates to a puncture needle fixing device for hemodialysis. BACKGROUND

[0002] Hemodialysis is one of the renal replacement therapy methods for patients with acute and chronic renal failure. It drains the body's blood to the outside of the body, and the blood and the electrolyte solution (dialysate) with similar concentration in the body are exchanged in the dialyzer composed of countless hollow fibers, through diffusion, ultrafiltration, adsorption and convection principles to remove metabolic waste in the body, maintain electrolyte and acid-base balance; at the same time, too much water in the body is removed, and the whole process of purified blood return is called hemodialysis. The puncture needle is a medical device for tissue sampling and injection treatment of kidney, liver, lung, breast, thyroid, prostate, pancreas, testis, uterus, ovary and body surface in minimally invasive surgery.

[0003] The puncture needle of the existing hemodialysis is mostly fixed by medical staff through adhesive tape or bandage. The movement of the patient's arm can easily affect the position of the puncture needle, causing the puncture needle to pierce the patient's blood vessels, and the pain of the patient cannot be relieved during hemodialysis. SUMMARY

[0004] The purpose of the present application is to provide a puncture needle fixing device for hemodialysis, which aims to solve the problem that the puncture needle of the existing hemodialysis is mostly fixed by medical staff through adhesive tape or bandage, the movement of the patient's arm can easily affect the position of the puncture needle, causing the puncture needle to pierce the patient's blood vessels, and the pain of the patient cannot be relieved during hemodialysis.

[0005] The present application is implemented as follows: a puncture needle fixing device for hemodialysis, comprising:

[0006] A main support seat is used to support the patient's arm, and a cold and hot compress assembly and a cooling assembly are installed on the main support seat to cold compress or hot compress the patient's arm with the puncture needle;

[0007] A fixing assembly is arranged on the main support seat to press and fix the puncture needle, and the fixing assembly comprises:

[0008] A fixing belt is installed on the main support seat to protect the position of the patient's arm with the puncture needle;

[0009] A pressing air bag is connected with the fixing belt and the main support seat to press the fixing belt;

[0010] An exhaust valve is fixedly installed on the main support seat to control the direction of air flow, and the exhaust valve is communicated with the pressing air bag through a pipeline.

[0011] The fixed air bag is fixedly installed on the exhaust valve and used for storing air;

[0012] The air inlet valve is fixedly installed on the fixed air bag and used for controlling the direction of air flow.

[0013] As a further scheme of the present application, the cold and hot compress assembly comprises:

[0014] The fixed box is fixedly installed on the main support base and used for storing cold water or hot water, and the sealing cap is rotatably connected to the fixed box.

[0015] The circulating pipeline is fixedly installed on the fixed box and connected to the fixed box at the inlet end and the outlet end.

[0016] The water pump is fixedly installed on the fixed box, and the protective pad is installed on the main support base.

[0017] As a further scheme of the present application, the cold and hot compress assembly further comprises:

[0018] The heating rod is fixedly installed on the fixed box and used for heating the liquid in the fixed box.

[0019] The temperature sensor is fixedly installed on the fixed box and used for detecting the temperature of the liquid in the fixed box, and the display screen is arranged on the temperature sensor.

[0020] As a further scheme of the present application, the cooling assembly comprises:

[0021] The cooling box is fixedly installed on the fixed box.

[0022] The heat dissipation copper sheet is fixedly installed on the cooling box and used for heat conduction of the cooling box.

[0023] The first cooling block is arranged in the cooling box and used for heat conduction of the heat dissipation copper sheet.

[0024] The second cooling block is arranged in the cooling box and used for heat conduction of the heat dissipation copper sheet.

[0025] The heat preservation cotton is fixedly installed on the sealing cover, the sealing cover is inserted into the cooling box, and the dismounting groove is arranged on the sealing cover.

[0026] As a further scheme of the present application, the self-adhesive assembly is arranged on the main support base, and the self-adhesive assembly comprises:

[0027] The small arm sub-magic tape is fixedly connected to the main support base.

[0028] The small arm mother magic tape is fixedly connected with the main support base, and the small arm daughter magic tape is self-adhered with the small arm mother magic tape.

[0029] As a further scheme of the present application, a support assembly is arranged on the main support base, and the support assembly comprises:

[0030] The auxiliary support base is rotationally matched with the main support base.

[0031] The sponge pad is arranged on the auxiliary support base and used for supporting the large arm of the patient.

[0032] The large arm mother magic tape is fixedly installed on the auxiliary support base.

[0033] The large arm daughter magic tape is fixedly installed on the auxiliary support base, and the large arm mother magic tape is self-adhered with the large arm daughter magic tape.

[0034] As a further scheme of the present application, the exhaust valve and the air inlet valve are both one-way valves, and a pressure relief hole is further arranged on the exhaust valve, and the air inlet valve, the fixed air bag, the exhaust valve and the pressing air bag constitute a gas flow path.

[0035] As a further scheme of the present application, an anti-skid rubber pad is further arranged on the main support base.

[0036] 1、The blood dialysis puncture needle fixing device provided by the present application realizes the pressing and fixing of the puncture needle position of the patient through the air pressure, so that the position of the puncture needle cannot be easily pulled, the blood vessel of the patient is prevented from being punctured by the puncture needle, the safety of the blood dialysis of the patient is increased, the operation is simple and convenient, and the pressing and fixing pressure of the puncture needle can be adjusted according to the feeling of the patient.

[0037] 2、The blood dialysis puncture needle fixing device provided by the present application realizes the cold compress of the arm of the patient during the blood dialysis, so that the pain of the patient is reduced, the blood flow of the patient is prevented from being slow after the blood dialysis is completed, the hot compress of the arm of the patient is realized, the circulation of the blood is promoted, and the numbness of the arm of the patient which may not appear for a long time is relieved.

[0038] 3、The blood dialysis puncture needle fixing device provided by the present application realizes the support of the large arm of the patient, so that the large arm and the small arm of the patient are fixed together, the effect of the fixed position of the puncture needle of the patient is better, the probability of the pulling force of the puncture needle is reduced, and the blood dialysis effect of the patient is better. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1This is a three-dimensional schematic diagram of a puncture needle fixation device for hemodialysis provided in an embodiment of the present invention;

[0040] Figure 2 A bottom view of a puncture needle fixation device for hemodialysis provided in an embodiment of the present invention;

[0041] Figure 3 A side view of a puncture needle fixation device for hemodialysis provided in an embodiment of the present invention;

[0042] Figure 4 This is a partial structural diagram of the hot and cold compress component of a puncture needle fixation device for hemodialysis provided in an embodiment of the present invention;

[0043] Figure 5 This is a partial structural diagram of the cooling component of a puncture needle fixation device for hemodialysis provided in an embodiment of the present invention.

[0044] In the attached diagram: 1. Main support base; 11. Anti-slip rubber pad; 2. Fixing assembly; 21. Fixing strap; 22. Pressing airbag; 23. Exhaust valve; 24. Fixing airbag; 241. Pressure relief hole; 25. Air inlet valve; 3. Hot and cold compress assembly; 31. Fixing box; 32. Circulation pipeline; 33. Water pump; 34. Protective pad; 35. Heating rod; 36. Temperature sensor; 301. Sealing cap; 4. Cooling assembly; 41. Cooling box; 42. Heat dissipation copper fin; 43. First cooling block; 44. Second cooling block; 45. Insulation cotton; 46. Sealing cover; 461. Removal groove; 7. Self-adhesive assembly; 71. Forearm hook and loop fastener; 72. Forearm female hook and loop fastener; 8. Support assembly; 81. Secondary support base; 82. Sponge pad; 83. Upper arm female hook and loop fastener; 84. Upper arm hook and loop fastener. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0046] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0047] like Figures 1 to 5 As shown, a puncture needle fixation device for hemodialysis provided in one embodiment of the present invention includes:

[0048] The main support base 1 is used to support the patient's arm. The main support base 1 is equipped with a hot and cold compress component 3 and a cooling component 4 for applying cold or hot compresses to the patient's arm where the puncture needle is inserted.

[0049] The fixed assembly 2 is arranged on the main support base 1 and used for pressing and fixing the puncture needle.

[0050] The fixed belt 21 is arranged on the main support base 1 and used for protecting the position of the puncture needle of the patient's arm.

[0051] The pressing air bag 22 is connected with the fixed belt 21 and the main support base 1 and used for pressing the fixed belt 21.

[0052] The exhaust valve 23 is fixedly arranged on the main support base 1 and used for controlling the direction of air flow.

[0053] The fixed air bag 24 is fixedly arranged on the exhaust valve 23 and used for storing air.

[0054] The air inlet valve 25 is fixedly arranged on the fixed air bag 24 and used for controlling the direction of air flow.

[0055] In the embodiment of the present application, when in actual application, the arm of the patient with the puncture needle is placed on the protection pad 34 of the main support base 1, the fixed belt 21 is located above the puncture needle, then the fixed air bag 24 is squeezed, the air in the fixed air bag 24 is discharged into the pressing air bag 22 through the exhaust valve 23, the fixed air bag 24 is loosened, because the inside of the fixed air bag 24 is in a negative pressure state, the air enters the fixed air bag 24 through the air inlet valve 25, the above operation is repeated until the fixed belt 21 is attached to the position of the puncture needle by the expansion of the pressing air bag 22, according to the pressure condition of the patient, the pressure in the pressing air bag 22 can be adjusted, so as to press and fix the position of the puncture needle of the patient.

[0056] Through the arrangement of the fixed assembly 2, the position of the puncture needle of the patient is pressed and fixed by the action of air pressure, so that the position of the puncture needle cannot be easily pulled, the blood vessel of the patient is prevented from being punctured by the puncture needle, the safety of the patient during hemodialysis is increased, the operation is simple and convenient, and the pressing and fixing pressure of the puncture needle can be adjusted according to the feeling of the patient.

[0057] As shown in Figure 4 and Figure 5 , as a further scheme embodiment of the present application, the cold and hot compress assembly 3 comprises:

[0058] The fixed box 31 is fixedly arranged on the main support base 1 and used for storing cold water or hot water.

[0059] The circulating pipeline 32 is fixedly arranged on the fixed box 31 and connected with the fixed box 31 at the liquid inlet end and the liquid outlet end.

[0060] A water pump 33 is fixedly installed on the fixed box 31, and a protective pad 34 is also installed on the main support base 1.

[0061] Specifically, as a further scheme embodiment of the present application, the cold and hot compress assembly 3 further comprises:

[0062] A heating rod 35 is fixedly installed on the fixed box 31, and is used for heating the liquid inside the fixed box 31;

[0063] A temperature sensor 36 is fixedly installed on the fixed box 31, and is used for detecting the temperature of the liquid inside the fixed box 31, and a display screen is further arranged on the temperature sensor 36.

[0064] In the actual application, the water pump 33 circulates and delivers the cold water inside the fixed box 31 through the circulating pipeline 32, and the protective pad 34 is used for cold compressing the arm of the patient, so as to reduce the pain of the patient during hemodialysis, and after the hemodialysis is completed, the heating rod 35 heats the liquid to realize hot compressing of the patient, reduces the numbness of the arm of the patient during cold compressing, and promotes the blood flow of the patient, and the temperature sensor 36 is used for observing the temperature of the liquid inside the fixed box 31, so as to prevent the case that the high temperature causes the low-temperature scald of the patient, and increases the safety of the hot compressing of the patient.

[0065] As shown in Figure 5 As a further scheme embodiment of the present application, the cooling assembly 4 comprises:

[0066] A cooling box 41 is fixedly installed on the fixed box 31;

[0067] A heat dissipation copper sheet 42 is fixedly installed on the cooling box 41, and is used for heat conduction of the cooling box 41;

[0068] A first cooling block 43 is arranged in the cooling box 41, and is used for heat conduction of the heat dissipation copper sheet 42;

[0069] A second cooling block 44 is arranged in the cooling box 41, and is used for heat conduction of the heat dissipation copper sheet 42;

[0070] Thermal insulation cotton 45 is fixedly installed on a sealing cover 46, the sealing cover 46 is inserted into the cooling box 41, and a dismounting groove 461 is further arranged on the sealing cover 46;

[0071] In the actual application, the heat dissipation copper sheet 42 can conduct the temperature inside the fixed box 31, the first cooling block 43 and the second cooling block 44 can absorb the heat conducted by the heat dissipation copper sheet 42, and the liquid inside the fixed box 31 is kept in a low-temperature state, so that the cold compressing effect of the arm of the patient is good.

[0072] In one case of the embodiment, the heat-dissipating copper sheet 42 can also be replaced by silver, aluminum, graphite and carbon, as long as it has good thermal conductivity; the first cooling block 43 and the second cooling block 44 can be replaced by ice bags, ice blocks and frozen gel packs, as long as they can absorb heat and conduct low temperature.

[0073] As shown in Figure 1 , as a further scheme embodiment of the present application, the self-adhesive assembly 7 is arranged on the main support base 1, and the self-adhesive assembly 7 comprises:

[0074] The small-arm sub-magic tape 71 is fixedly connected with the main support base 1;

[0075] The small-arm mother magic tape 72 is fixedly connected with the main support base 1, and the small-arm sub-magic tape 71 and the small-arm mother magic tape 72 are self-adhesively matched;

[0076] In the embodiment of the present application, in actual application, since the small-arm sub-magic tape 71 and the small-arm mother magic tape 72 can be self-adhesively connected together, the small arm of the patient can be fixedly assisted, and the effect of fixing the puncture needle is increased again, so that the safety is better.

[0077] As shown in Figure 5 , as a further scheme embodiment of the present application, the support assembly 8 is arranged on the main support base 1, and the support assembly 8 comprises:

[0078] The auxiliary support base 81 is rotationally matched with the main support base 1;

[0079] The sponge pad 82 is arranged on the auxiliary support base 81 and is used for supporting the large arm of the patient;

[0080] The large-arm mother magic tape 83 is fixedly installed on the auxiliary support base 81;

[0081] The large-arm sub-magic tape 84 is fixedly installed on the auxiliary support base 81, and the large-arm mother magic tape 83 and the large-arm sub-magic tape 84 are self-adhesively matched;

[0082] In the embodiment of the present application, in actual application, the auxiliary support base 81 supports the small arm of the patient, the large-arm mother magic tape 83 and the large-arm sub-magic tape 84 are self-adhesively connected together to fix the large arm, so that the small arm and the large arm of the patient are fixed at the same time, and the effect of fixing the position of the puncture needle is good.

[0083] As shown in Figure 1 and Figure 3 , as a further scheme embodiment of the present application, the exhaust valve 23 and the intake valve 25 are both one-way valves, the exhaust valve 23 is further provided with a pressure relief hole 241, and the intake valve 25, the fixed air bag 24, the exhaust valve 23 and the pressing air bag 22 constitute a gas flow path;

[0084] In the embodiment of the present application, in actual application, due to the one-way flow of air, the pressure inside the pressing air bag 22 is increased, the puncture needle of the patient is pressed and fixed, and when the pressing degree is too large, the air inside the pressing air bag 22 is quickly discharged through the pressure relief hole 241.

[0085] As shown in Figure 2 As a further embodiment of the present application, the main support seat 1 is also provided with an anti-skid rubber pad 11.

[0086] In the embodiment of the present application, in actual application, the friction coefficient of the anti-skid rubber pad 11 is high, the friction resistance with the bed sheet is increased, and the stability of the main support seat 1 is good.

[0087] The above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A puncture needle fixation device for hemodialysis, characterized in that, The utility model provides a kind of medical device for patient, including: Main support seat (1) for supporting patient arm, cold and hot compress assembly (3) and cooling assembly (4) are installed on the main support seat (1), for cold compress or hot compress to patient arm puncture needle; Fixing assembly (2) is arranged on main support seat (1), for pressing and fixing puncture needle, the fixing assembly (2) includes: Fixing belt (21) is installed on main support seat (1), for the position of patient arm puncture needle is protected; Pressing air bag (22) is connected with fixing belt (21) and main support seat (1), for pressing fixing belt (21); Exhaust valve (23) is fixedly installed on main support seat (1), for controlling the direction of air flow, the exhaust valve (23) is communicated with pressing air bag (22) by pipeline; Fixed air bag (24) is fixedly installed on exhaust valve (23), for storing air; Air inlet valve (25) is fixedly installed on fixed air bag (24), for controlling the direction of air flow.

2. The puncture needle fixing device for hemodialysis according to claim 1, characterized by The cold and hot compress assembly (3) includes: Fixed box (31) is fixedly installed on main support seat (1), for storing cold water or hot water, the fixed box (31) is rotatably fitted with sealing cap (301); Circulation pipeline (32) is fixedly installed on fixed box (31), and the inlet end and the outlet end thereof are connected with fixed box (31); Water pump (33) and protective pad (34) are installed on the circulation pipeline (32), the water pump (33) is also fixedly installed on the fixed box (31), and the protective pad (34) is also installed on the main support seat (1).

3. The puncture needle fixing device for hemodialysis according to claim 2, characterized by The cold and hot compress assembly (3) further includes: Heating rod (35) is fixedly installed on fixed box (31), for heating the liquid in fixed box (31); Temperature sensor (36) is fixedly installed on fixed box (31), for detecting the temperature of the liquid in fixed box (31), and a display screen is further provided on the temperature sensor (36).

4. The puncture needle fixing device for hemodialysis according to claim 1, wherein The cooling assembly (4) includes: Cooling box (41) is fixedly installed on fixed box (31); Heat dissipation copper sheet (42) is fixedly installed on cooling box (41), for heat conduction of cooling box (41); First cooling block (43) is arranged in cooling box (41), for heat conduction of heat dissipation copper sheet (42); Second cooling block (44) is arranged in cooling box (41), for heat conduction of heat dissipation copper sheet (42); Thermal insulation cotton (45) is fixedly installed on sealing cover (46), the sealing cover (46) is inserted with cooling box (41), and a dismounting groove (461) is further formed in the sealing cover (46).

5. The puncture needle fixing device for hemodialysis according to claim 1, wherein Further including self-adhesive assembly (7) arranged on main support seat (1), the self-adhesive assembly (7) includes: Small arm sub magic tape (71) is fixedly connected with main support seat (1); Small arm female magic tape (72) is fixedly connected with main support seat (1), and the small arm sub magic tape (71) is self-adhesive with the small arm female magic tape (72).

6. The puncture needle fixing device for hemodialysis according to claim 1, wherein Also include support assembly (8), set in the main support seat (1), the support assembly (8) includes: Sub support seat (81), with the main support seat (1) rotation cooperation; Sponge pad (82), set in the sub support seat (81), for supporting the patient's arm; Arm mother magic tape (83), fixedly installed on the sub support seat (81); Arm sub magic tape (84), fixedly installed on the sub support seat (81), the arm mother magic tape (83) and the arm sub magic tape (84) self-adhesive cooperation.

7. The puncture needle fixing device for hemodialysis according to claim 1, wherein The exhaust valve (23) and the air inlet valve (25) are both one-way valves, the exhaust valve (23) is further provided with a pressure relief hole (241), the air inlet valve (25), the fixed air bag (24), the exhaust valve (23) and the pressing air bag (22) constitute a gas flow path.

8. The puncture needle fixing device for hemodialysis according to claim 1, wherein The main support seat (1) is further provided with an anti-skid rubber pad (11).

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