CN219539041U

CN219539041U - Hemodialysis pipe absorbing and fixing device

Info

Publication number: CN219539041U
Application number: CN202223364945.0U
Authority: CN
Inventors: 崔超
Original assignee: Qingdao Municipal Hospital
Current assignee: Qingdao Municipal Hospital
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-08-18
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a hemodialysis tube absorbing and fixing device, which belongs to the technical field of medical equipment, and comprises a support frame, a tube fixing device and an air pressure fixing device, wherein the air pressure fixing device is arranged between the support frame and the tube fixing device; the air pressure fixing device is used for filling proper air into the double-tube fixing sleeve, so that the double-tube fixing sleeve clamps the hemodialysis tube. The fixing device can solve the problems that the hemostatic forceps or the handheld hemodialysis tube are inconvenient to use and easily pollute the hemodialysis tube; meanwhile, the problem that the hemodialysis tube is damaged due to difficulty in controlling the strength can be solved.

Description

Hemodialysis pipe absorbing and fixing device

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a hemodialysis tube absorbing and fixing device.

Background

Hemodialysis is one of the kidney replacement treatment modes of patients with acute and chronic renal failure, and is characterized in that in-vivo blood is drained to the outside of the body, and is subjected to substance exchange by diffusion and convection inside and outside one hollow fiber through a dialyzer consisting of innumerable hollow fibers, so that metabolic wastes in the body are removed, electrolyte and acid-base balance are maintained, and excessive water in the body is removed. At present, hemodialysis is mainly performed by a hemodialysis machine, and the extracted blood passes through a permeable membrane of the hemodialysis machine, so that metabolic wastes and impurities in the blood are removed, and then the purified blood is conveyed back into the body, commonly called as 'kidney washing' and 'blood washing'.

Before and after hemodialysis, the hemodialysis tube must be cleaned and disinfected, and the blood tube is flushed with sterile physiological saline to keep the blood tube sterile; meanwhile, the strength is difficult to control, and the hemodialysis tube is damaged.

Disclosure of Invention

In view of the above, the utility model provides a hemodialysis tube absorbing and fixing device, which can solve the problems that hemostatic forceps or handheld hemodialysis tubes are extremely inconvenient to use and easily pollute the hemodialysis tubes; meanwhile, the problem that the hemodialysis tube is damaged due to difficulty in controlling the strength can be solved.

The utility model is realized in the following way:

the utility model provides a hemodialysis tube absorbing and fixing device, which comprises a support frame, a tube fixing device and an air pressure fixing device, wherein the air pressure fixing device is arranged between the support frame and the tube fixing device, the support frame comprises a rotary support plate, a fixed support plate and a rotary connecting shaft, the rotary support plate is connected with the fixed support plate through the rotary connecting shaft, the rotary support plate can rotate on the fixed support plate through the rotary connecting shaft, and a fixing device is fixedly arranged on one side, far away from the rotary support plate, of the fixed support plate; the tube fixing device comprises a double-tube fixing sleeve, a tube arranging hoop and a fixing ring, wherein the double-tube fixing sleeve is in through connection with the air pressure fixing device, the double-tube fixing sleeve is fixed on the fixing ring, the fixing ring is fixed on the air pressure fixing device through a fixing rod, and the tube arranging hoop is fixed on the fixing ring and is used for arranging a plurality of hemodialysis tubes; the air pressure fixing device is used for filling proper air into the double-tube fixing sleeve, so that the double-tube fixing sleeve clamps the hemodialysis tube.

The utility model provides a hemodialysis tube absorbing and fixing device which has the following technical effects: the support frame is arranged to support the pipe fixing device and the air pressure fixing device; the hemodialysis tube is fixed by arranging the tube fixing device, so that the hemodialysis tube is prevented from being polluted; through setting up the atmospheric pressure fixing device, fix the hemodialysis pipe of putting in the solid tub device high through atmospheric pressure, prevent because of the dynamics is not enough drops the pipe or the dynamics is too big leads to the pipe breakage, convenient nimble, the practicality is strong; the rotary connecting shaft is arranged, so that the rotary supporting plate can conveniently rotate on the fixed supporting plate, and the angle of the hemodialysis tube fixed in the tube fixing device can be conveniently adjusted; different tubes on the hemodialysis machine are respectively fixed by arranging a double-tube fixing sleeve; carding the hemodialysis tube by arranging a pipeline tidying hoop; by arranging the fixing ring, the double-pipe fixing sleeve is fixed on the pipe fixing device.

On the basis of the technical scheme, the hemodialysis tube absorbing and fixing device can be improved as follows:

the air pressure fixing device comprises a movable supporting rod, a fixed supporting rod and an air cavity, wherein the fixed supporting rod is fixedly connected with the rotary supporting plate, a sliding groove is formed in the right side of the fixed supporting rod at the top of the rotary supporting plate, and the movable supporting rod is arranged in the sliding groove and is in sliding contact with the sliding groove; the right side of the fixed supporting rod is fixedly provided with the first fixed rod, and the first fixed rod is fixedly connected with the air cavity; the inner part of the air cavity is provided with a piston and a first push-pull rod, the piston is fixedly connected with the first push-pull rod, a through hole is formed in the center of the right side of the air cavity, and the aperture of the through hole is matched with the outer diameter of the first push-pull rod; the first push-pull rod penetrates out of the air cavity through the through hole and is fixedly connected with the movable support rod;

the right side of the bottom of the movable supporting rod is fixedly provided with a bolt, and the bolt is used for pushing the movable supporting rod to slide in a chute at the top of the rotary supporting plate.

The beneficial effects of adopting above-mentioned improvement scheme are: through setting up movable support pole, fixed support pole, the position of adjustment piston in the air cavity, through pushing gas clamping hemodialysis pipe in to the fixed cover of double-barrelled, can guarantee that hemodialysis pipe is fixed does not influence other operations, also can prevent hemodialysis pipe damage simultaneously.

The fixed ring is fixed on the outer sides of the fixed supporting rods and the movable supporting rods through fixing blocks, the fixed ring comprises a fixed semi-ring, a supporting semi-ring and a movable semi-ring, the movable semi-ring is fixedly connected with the fixed semi-ring, the movable semi-ring is connected with the supporting semi-ring through a supporting spring, the fixed semi-ring is fixedly connected with the fixing blocks, and the supporting semi-ring is movably connected with the fixing blocks through second connecting shafts.

The beneficial effects of adopting above-mentioned improvement scheme are: through setting up fixed semi-ring, support semi-ring and movable semi-ring, adjust its size according to the pipe diameter size of hemodialysis pipe, make things convenient for the fixed of hemodialysis pipe more, convenient nimble.

Further, an air outlet is formed in the top of the air cavity, an air outlet pipe is connected with the air outlet in a penetrating mode, a hose is connected with the air outlet pipe in a penetrating mode, a fixing clamp is fixed on the air outlet pipe, and the fixing clamp is used for controlling air flow between the air cavity and the double-pipe fixing sleeve; the hose is in through connection with the double-pipe fixing sleeve.

The beneficial effects of adopting above-mentioned improvement scheme are: through the arrangement of the air outlet, the air outlet pipe and the hose, the air cavity is communicated with the double-pipe fixing sleeve, so that air in the air cavity is conveniently pushed into the double-pipe fixing sleeve, the air pressure in the double-pipe fixing sleeve is increased, and the hemodialysis pipe is tightly fixed; by arranging the fixing clamp, the gas flow between the gas cavity and the double-pipe fixing sleeve is controlled.

The fixing device comprises a clamping part, a handheld part, a rotating shaft and a fixing spring, wherein the clamping part and the handheld part are two rod-shaped mechanisms, and the clamping part and the handheld part are correspondingly fixed; the clamping part and the handheld part are fixed through the rotating shaft, and the rotating shaft is used for supporting the rotation of the clamping part and the handheld part; the fixing springs are arranged between the two handheld parts and used for preventing the clamping parts from sliding off the clamping objects.

The beneficial effects of adopting above-mentioned improvement scheme are: through setting up fixing device, conveniently fix this fixing device to appointed position, conveniently clear up, disinfect etc. to hemodialysis pipe.

The fixed support plate is provided with a groove on one side close to the rotary support plate, a fixed clamping rod is connected to the fixed support plate through a third connecting shaft, the third connecting shaft is arranged in the groove, a clamping groove is formed in one side of the rotary support plate close to the fixed support plate, and the fixed clamping rod is in selective contact with the clamping groove; the fixed support plate is connected with a spring, and the other end of the spring is fixedly connected with the rotary support plate.

The beneficial effects of adopting above-mentioned improvement scheme are: through setting up third connecting axle, fixed clamping pole and spring, adjust the angle of hemodialysis pipe, make things convenient for operating personnel to handle it, prevent simultaneously that the hemodialysis pipe from overturning completely and causing circumstances such as breakage, need not direct contact hemodialysis pipe, avoid polluting.

Further, limiting blocks are arranged on two sides of the upper wall of the inner part of the air cavity, and limiting springs are fixed on one side, close to the piston, of each limiting block.

The beneficial effects of adopting above-mentioned improvement scheme are: through setting up stopper and spacing spring, prevent to remove the bracing piece excessive movement for hemodialysis pipe centre gripping is infirm to cause the damage or the too big damage that causes of clamping force.

The clamping device comprises a support plate, a support rod and a first connecting shaft, wherein the support plate is fixed on the right side of the bottom of the fixed support plate, the support rod is rotatably arranged at the position, close to the fixed support plate, of the support plate through the first connecting shaft, and a clip is formed between the support plate and the support rod; and a clamping spring is fixed between the support plate and the support rod.

The beneficial effects of adopting above-mentioned improvement scheme are: through setting up clamping device, conveniently fix this fixing device to appointed position, conveniently clear up, disinfect etc. to hemodialysis pipe.

Wherein, be provided with a plurality of archs on the inner wall of the fixed cover of double-barrelled.

The beneficial effects of adopting above-mentioned improvement scheme are: when in use, the friction force of the hemodialysis tube is increased, and the hemodialysis tube is better fixed.

Further, the fixing block is fixedly connected with a supporting pad.

The beneficial effects of adopting above-mentioned improvement scheme are: when in use, the hemodialysis tube is prevented from directly contacting the fixed block.

Compared with the prior art, the hemodialysis tube absorbing and fixing device provided by the utility model has the beneficial effects that: the support frame is arranged to support the pipe fixing device and the air pressure fixing device; the hemodialysis tube is fixed by arranging the tube fixing device, so that the hemodialysis tube is prevented from being polluted, and the problems that the hemostatic forceps or the handheld hemodialysis tube is extremely inconvenient to use and is easy to pollute the hemodialysis tube can be solved; through setting up the atmospheric pressure fixing device, fix the hemodialysis pipe of putting in the solid tub device high through atmospheric pressure, prevent to drop the pipe or the dynamics is too big because of the dynamics leads to the pipe breakage, convenient nimble, the practicality is strong, can solve the dynamics of being difficult to control, causes the problem of damage to hemodialysis pipe; the rotary connecting shaft is arranged, so that the rotary supporting plate can conveniently rotate on the fixed supporting plate, and the angle of the hemodialysis tube fixed in the tube fixing device can be conveniently adjusted; different tubes on the hemodialysis machine are respectively fixed by arranging a double-tube fixing sleeve; carding the hemodialysis tube by arranging a pipeline tidying hoop; by arranging the fixing ring, the double-pipe fixing sleeve is fixed on the pipe fixing device.

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 description of the embodiments of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a hemodialysis tube receiving fixture;

FIG. 2 is a schematic structural view of a pipe fixing device;

FIG. 3 is a schematic view of the internal structure of the air cavity;

FIG. 4 is a perspective view showing a second embodiment of a hemodialysis tube receiving fixture;

in the drawings, the list of components represented by the various numbers is as follows:

10. a support frame; 11. rotating the support plate; 12. a fixed support plate; 121. a third connecting shaft; 122. fixing the clamping rod; 123. a spring; 13. a rotary connecting shaft; 14. a fixing device; 141. a clamping part; 142. a hand-held part; 143. a rotation shaft; 144. a fixed spring; 15. a clamping device; 151. a support plate; 152. a support rod; 153. a first connecting shaft; 154. a clamping spring; 20. a pipe fixing device; 21. a double-tube fixing sleeve; 22. a pipe finishing collar; 23. a fixing ring; 231. a stationary half ring; 232. a support half ring; 233. a movable half ring; 234. a support spring; 235. a fixed block; 2351. a support pad; 236. a second connecting shaft; 30. an air pressure fixing device; 31. moving the support rod; 311. a bolt; 32. fixing the support rod; 321. a first fixing rod; 33. an air cavity; 331. a piston; 332. a first push-pull rod; 333. an air outlet; 334. an air outlet pipe; 335. a hose; 336. a fixing clamp; 337. a limiting block; 338. and a limit spring.

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. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1 to 3, in a first embodiment of a hemodialysis tube receiving and fixing device provided by the present utility model, in this embodiment, there are a support frame 10, a tube fixing device 20 and an air pressure fixing device 30, the air pressure fixing device 30 is disposed between the support frame 10 and the tube fixing device 20, the support frame 10 includes a rotary support plate 11, a fixed support plate 12 and a rotary connecting shaft 13, the rotary support plate 11 and the fixed support plate 12 are connected by the rotary connecting shaft 13, the rotary support plate 11 can rotate on the fixed support plate 12 by the rotary connecting shaft 13, and a fixing device 14 is fixedly disposed on a side of the fixed support plate 12 away from the rotary support plate 11; the tube fixing device 20 comprises a double-tube fixing sleeve 21, a tube arranging hoop 22 and a fixing ring 23, wherein the double-tube fixing sleeve 21 is in through connection with the air pressure fixing device 30, the double-tube fixing sleeve 21 is fixed on the fixing ring 23, the fixing ring 23 is fixed on the air pressure fixing device 30 through a fixing rod, and the tube arranging hoop 22 is fixed on the fixing ring 23 and is used for arranging a plurality of hemodialysis tubes; the air pressure fixing device 30 is used to charge the double tube fixing sleeve 21 with a suitable gas so that the double tube fixing sleeve 21 holds the hemodialysis tube.

When in use, the hemodialysis tube is combed by hanging on the tube arranging hoop 22, respectively put into the double-tube fixing sleeve 21, fixed on the fixing device by the air pressure fixing device 30, and the angle of the hemodialysis tube is adjusted by rotating the rotary supporting plate 11.

In the above technical solution, the air pressure fixing device 30 includes a movable support rod 31, a fixed support rod 32, and an air cavity 33, the fixed support rod 32 is fixedly connected with the rotary support plate 11, a chute is formed on the right side of the fixed support rod 32 at the top of the rotary support plate 11, and the movable support rod 31 is disposed in the chute and is in sliding contact with the chute; the right side of the fixed support rod 32 is fixedly provided with a first fixed rod 321, and the first fixed rod 321 is fixedly connected with the air cavity 33; the inside of the air cavity 33 is provided with a piston 331 and a first push-pull rod 332, the piston 331 is fixedly connected with the first push-pull rod 332, a through hole is formed in the center of the right side of the air cavity 33, and the aperture of the through hole is matched with the outer diameter of the first push-pull rod 332; the first push-pull rod 332 penetrates out of the air cavity 33 through a through hole and is fixedly connected with the movable supporting rod 31;

the right side of the bottom of the movable supporting rod 31 is fixedly provided with a bolt 311, and the bolt 311 is used for pushing the movable supporting rod 31 to slide in a chute at the top of the rotary supporting plate 11.

When in use, according to the pipe diameter of the hemodialysis pipe, the bolts 311 are pushed and pulled to drive the movable supporting rods 31 to slide in the sliding grooves, the pistons 331 are driven to slide left and right in the air cavities 33, and the air in the air cavities 33 is pushed to enter the double-pipe fixing sleeve 21 to fix the hemodialysis pipe.

In the above technical solution, the fixing ring 23 is fixed on the outer sides of the fixed support rod 32 and the movable support rod 31 through the fixing block 235, the fixing ring 23 includes a fixed half ring 231, a support half ring 232, and a movable half ring 233, the movable half ring 233 is fixedly connected with the fixed half ring 231, the movable half ring 233 is connected with the support half ring 232 through the support spring 234, the fixed half ring 231 is fixedly connected with the fixing block 235, and the support half ring 232 is movably connected with the fixing block 235 through the second connecting shaft 236.

When in use, the movable half ring 233 is pulled out or contracted according to the different pipe diameters of the hemodialysis pipes, and the caliber of the fixed ring 23 is adjusted.

Further, in the above technical solution, the top of the air cavity 33 is provided with the air outlet 333, the air outlet 333 is connected with the air outlet pipe 334 in a penetrating manner, the air outlet pipe 334 is connected with the hose 335 in a penetrating manner, the air outlet pipe 334 is fixed with the fixing clip 336, and the fixing clip 336 is used for controlling the air flow between the air cavity 33 and the double-pipe fixing sleeve 21; the hose 335 is connected to the double tube fixing sleeve 21.

In use, the fixing clamp 336 is opened, and when the piston 331 moves to the air outlet 333, air enters the double-tube fixing sleeve 21 along with the air outlet 333, the air outlet tube 334 and the hose 335, and after the hemodialysis tube is clamped, the fixing clamp 336 is closed to continuously fix the hemodialysis tube.

In the above technical solution, the fixing device 14 includes a clamping portion 141, a hand-hold portion 142, a rotation shaft 143, and a fixing spring 144, where the clamping portion 141 and the hand-hold portion 142 are two rod mechanisms, and the clamping portion 141 and the hand-hold portion 142 are correspondingly fixed; the clamping part 141 and the hand-held part 142 are fixed by a rotation shaft 143, and the rotation shaft 143 is used for supporting the rotation of the clamping part 141 and the hand-held part 142; a fixing spring 144 is disposed between the two handhold portions 142, and the fixing spring 144 is used for preventing the clamping portion 141 from sliding off the clamped object.

In use, the hand-holding part 142 is pinched and slightly forced to open with the clamping part 141, and the hand is released after being fixed at a specified position by the clamping part 141, so that the hand-holding part is fixed.

In the above technical solution, a groove is formed on a side of the fixed support plate 12, which is close to the rotating support plate 11, the fixed support plate 12 is connected with a fixed clamping rod 122 through a third connecting shaft 121, the third connecting shaft 121 is disposed in the groove, a clamping groove is formed on a side of the rotating support plate 11, which is close to the fixed support plate 12, and the fixed clamping rod 122 is selectively contacted with the clamping groove; the fixed support plate 12 is connected with a spring 123, and the other end of the spring 123 is fixedly connected with the rotary support plate 11.

When in use, the angle of the hemodialysis tube is adjusted by pricking and rotating the rotary support plate 11, and the rotary support plate 11 is fixed by the fixing clamping rod 122; after use, the fixing clip 122 is tightened into the groove.

Further, in the above technical solution, the two sides of the top wall inside the air cavity 33 are both provided with the limiting block 337, and the side of the limiting block 337 close to the piston 331 is fixed with the limiting spring 338.

As shown in fig. 4, in a second embodiment of a hemodialysis tube receiving and fixing device provided by the present utility model, in this embodiment, a clamping device 15 is disposed at the bottom of a fixing support plate 12, the clamping device 15 includes a support plate 151, a support rod 152 and a first connecting shaft 153, the support plate 151 is fixed on the right side of the bottom of the fixing support plate 12, the support rod 152 is rotatably disposed at a position of the support plate 151 near the fixing support plate 12 through the first connecting shaft 153, and a clip is formed between the support plate 151 and the support rod 152; a clamping spring 154 is fixed between the support plate 151 and the support rod 152.

In use, the strut 152 is rotated to clamp the fixture in place.

Wherein, in the above technical solution, a plurality of protrusions are provided on the inner wall of the double tube fixing sleeve 21.

Further, in the above technical solution, the fixing block 235 is further fixedly connected with a support pad 2351.

Specifically, the principle of the utility model is as follows: the hemodialysis tube is combed by hanging the hemodialysis tube on the tube arranging hoop 22, the hemodialysis tube is respectively placed in the double-tube fixing sleeve 21, the movable half-ring 233 is pulled out or contracted according to different tube diameters of the hemodialysis tube, the caliber of the fixing ring 23 is adjusted, the fixing clamp 336 is opened, the push-pull bolt 311 drives the movable supporting rod 31 to slide in the sliding groove, the piston 331 is driven to slide left and right in the air cavity 33, the air in the air cavity 33 is pushed to enter the double-tube fixing sleeve 21 along with the air outlet 333, the air outlet 334 and the hose 335, and after the hemodialysis tube is clamped, the fixing clamp 336 is closed to continuously fix the hemodialysis tube.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The utility model provides a hemodialysis pipe absorbs fixing device, characterized in that has support frame (10), solid tub device (20) and atmospheric pressure fixing device (30), atmospheric pressure fixing device (30) set up support frame (10) with gu between tub device (20), support frame (10) are including rotatory backup pad (11), fixed backup pad (12) and swivelling joint axle (13), rotatory backup pad (11) with fixed backup pad (12) are passed through swivelling joint axle (13) and are connected, rotatory backup pad (11) can be passed through swivelling joint axle (13) are rotatory on fixed backup pad (12), one side that fixed backup pad (12) are kept away from rotatory backup pad (11) is fixed to be provided with fixing device (14); the tube fixing device (20) comprises a double-tube fixing sleeve (21), a tube arranging hoop (22) and a fixing ring (23), wherein the double-tube fixing sleeve (21) is in through connection with the air pressure fixing device (30), the double-tube fixing sleeve (21) is fixed on the fixing ring (23), the fixing ring (23) is fixed on the air pressure fixing device (30) through a fixing rod, and the tube arranging hoop (22) is fixed on the fixing ring (23) and is used for arranging a plurality of hemodialysis tubes; the pneumatic fixing device (30) is used for filling the double-tube fixing sleeve (21) with proper gas so that the double-tube fixing sleeve (21) clamps the hemodialysis tube; the air pressure fixing device (30) comprises a movable supporting rod (31), a fixed supporting rod (32) and an air cavity (33), wherein the fixed supporting rod (32) is fixedly connected with the rotary supporting plate (11), a sliding groove is formed in the top of the rotary supporting plate (11) on the right side of the fixed supporting rod (32), and the movable supporting rod (31) is arranged in the sliding groove and is in sliding contact with the sliding groove; a first fixing rod (321) is fixedly arranged on the right side of the fixing support rod (32), and the first fixing rod (321) is fixedly connected with the air cavity (33); a piston (331) and a first push-pull rod (332) are arranged in the air cavity (33), the piston (331) is fixedly connected with the first push-pull rod (332), a through hole is formed in the center of the right side of the air cavity (33), and the aperture of the through hole is matched with the outer diameter of the first push-pull rod (332); the first push-pull rod (332) penetrates out of the air cavity (33) through the through hole and is fixedly connected with the movable supporting rod (31);

the right side of the bottom of the movable supporting rod (31) is fixedly provided with a bolt (311), and the bolt (311) is used for pushing the movable supporting rod (31) to slide in a chute at the top of the rotary supporting plate (11).

2. The hemodialysis tube absorbing and fixing device according to claim 1, wherein the fixing ring (23) is fixed on the outer sides of the fixing support rod (32) and the moving support rod (31) through a fixing block (235), the fixing ring (23) comprises a fixing half ring (231), a supporting half ring (232) and a movable half ring (233), the movable half ring (233) is fixedly connected with the fixing half ring (231), the movable half ring (233) is connected with the supporting half ring (232) through a supporting spring (234), the fixing half ring (231) is fixedly connected with the fixing block (235), and the supporting half ring (232) is movably connected with the fixing block (235) through a second connecting shaft (236).

3. A hemodialysis tube receiving and fixing device according to claim 2, characterized in that an air outlet (333) is arranged at the top of the air cavity (33), the air outlet (333) is connected with an air outlet tube (334) in a penetrating way, the air outlet tube (334) is connected with a hose (335) in a penetrating way, a fixing clamp (336) is fixed on the air outlet tube (334), and the fixing clamp (336) is used for controlling the air flow between the air cavity (33) and the double-tube fixing sleeve (21); the hose (335) is connected with the double-pipe fixing sleeve (21) in a penetrating way.

4. A hemodialysis tube receiving and fixing device according to claim 3, wherein the fixing device (14) comprises a clamping part (141), a holding part (142), a rotating shaft (143) and a fixing spring (144), the clamping part (141) and the holding part (142) are two rod-shaped mechanisms, and the clamping part (141) and the holding part (142) are correspondingly fixed; the clamping part (141) and the handheld part (142) are fixed through the rotating shaft (143), and the rotating shaft (143) is used for supporting the rotation of the clamping part (141) and the handheld part (142); the fixing springs (144) are arranged between the two handheld parts (142), and the fixing springs (144) are used for preventing the clamping parts (141) from sliding off from the clamping objects.

5. The hemodialysis tube absorbing and fixing device according to claim 4, wherein a groove is formed in one side, close to the rotary support plate (11), of the fixed support plate (12), a fixed clamping rod (122) is connected to the fixed support plate (12) through a third connecting shaft (121), the third connecting shaft (121) is arranged in the groove, a clamping groove is formed in one side, close to the fixed support plate (12), of the rotary support plate (11), and the fixed clamping rod (122) is in selective contact with the clamping groove; the fixed support plate (12) is connected with a spring (123), and the other end of the spring (123) is fixedly connected with the rotary support plate (11).

6. The hemodialysis tube receiving and fixing device according to claim 5, wherein limiting blocks (337) are arranged on two sides of the upper wall of the inner top wall of the air cavity (33), and limiting springs (338) are fixed on one side, close to the piston (331), of each limiting block (337).

7. The hemodialysis tube receiving and fixing device according to claim 6, wherein a clamping device (15) is arranged at the bottom of the fixing support plate (12), the clamping device (15) comprises a support plate (151), a support rod (152) and a first connecting shaft (153), the support plate (151) is fixed on the right side of the bottom of the fixing support plate (12), the support rod (152) is rotatably arranged at a position, close to the fixing support plate (12), of the support plate (151) through the first connecting shaft (153), and a clip is formed between the support plate (151) and the support rod (152); a clamping spring (154) is fixed between the support plate (151) and the support rod (152).

8. A hemodialysis tube receiving fixture according to claim 7, characterized in that the inner wall of the double tube fixing sleeve (21) is provided with a number of protrusions.

9. The hemodialysis tube receiving fixture of claim 8, wherein the fixing block (235) is further fixedly connected with a support pad (2351).