CN115105662A

CN115105662A - Hemodialysis conversion device

Info

Publication number: CN115105662A
Application number: CN202210742629.8A
Authority: CN
Inventors: 王霄一; 陈琪; 费丹峰
Original assignee: First Peoples Hospital of Huzhou
Current assignee: First Peoples Hospital of Huzhou
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-27

Abstract

The invention discloses a hemodialysis conversion device which comprises a base and a flow guide pipe, wherein an upright post is arranged in the middle of the top of the base, a fixed table is arranged at the top of the upright post, a hemodialysis machine main body is arranged in the middle of the top of the fixed table, a movable block is sleeved in the middle of the outer side of the upright post, an adjusting bin is arranged at the top of one side of the hemodialysis machine main body, and a connecting pipeline communicated with the hemodialysis machine main body is arranged at the bottom of one side of the adjusting bin. According to the invention, through the mutual matching of the insertion rod, the movable groove, the spring B, the insertion groove, the connecting rope, the rotating ring and the fixed ring, when the device is used for installing the guide pipe, the fixed head can be directly inserted into the outer side of the movable pipe after the insertion rod is aligned with the insertion groove, so that the fixed head can be automatically fixed, the connection between the guide pipe and the movable pipe is completed, and when the device is disassembled, the insertion rod can be pulled to move through the connecting rope only by rotating the rotating ring, and the fixation of the fixed head is released.

Description

Hemodialysis conversion device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a hemodialysis conversion device.

Background

Hemodialysis, called hemodialysis for short, popular saying also called artificial kidney, kidney washing, is a kind of blood purification technology, utilize semi-permeable membrane principle, through diffusing, move out of the body to various harmful and redundant metabolic waste and too much electrolyte in vivo, achieve the goal of purifying blood, correcting water electrolyte and acid-base equilibrium, and the hemodialysis conversion equipment is the necessary equipment while hemodialysis;

some problems with existing devices:

1. when the device is used, the connecting pipe needs to be replaced regularly, but the installation mode of the connecting pipe by the conventional device is too complex, so that the connecting pipe needs to be replaced for a long time, the replacement is inconvenient, and the replacement efficiency is reduced;

2. when the connecting pipe is used, the connecting pipe can be accidentally pulled by external force, the pulling force is difficult to relieve by the device, the connecting pipe and the connecting part are damaged by the pulling force, and the service life of the connecting pipe is shortened;

3. the stability of placing of current device is relatively poor, receives when dragging at the connecting pipe, probably causes the device to turn on one's side, or the dialysis machine drops, leads to the device to damage, has reduced the safety and stability nature of device.

Disclosure of Invention

The present invention is directed to a hemodialysis conversion apparatus to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a hemodialysis conversion device comprises a base and a flow guide pipe, wherein a stand column is installed in the middle of the top of the base, a fixed table is installed at the top of the stand column, a hemodialysis machine main body is arranged in the middle of the top of the fixed table, a movable block is sleeved in the middle of the outer side of the stand column, an adjusting bin is installed at the top of one side of the hemodialysis machine main body, a connecting pipeline communicated with the hemodialysis machine main body is arranged at the bottom of one side of the adjusting bin, a nut is installed at one side of the top of the adjusting bin, a threaded rod is connected with the inner side of the nut in a threaded manner, the bottom of the threaded rod extends into the adjusting bin and is provided with a control ball, a movable pipe is sleeved in the middle of one side of the adjusting bin, a fixed head matched with the movable pipe is arranged at one side of the flow guide pipe, a movable ring is sleeved in the middle of the outer side of the movable pipe, a spring A connected with the movable ring is sleeved at one side of the outer side of the movable pipe, the top and the bottom of activity ring one side are provided with electric touch multitouch A, the top of the inside one side of surge bin is provided with electric touch multitouch B with electric touch multitouch A matched with, the middle part cover at base both sides and both ends is equipped with adjusting part, the opposite side in the activity pipe outside is provided with coupling assembling.

Preferably, the adjusting component comprises a hinge rod A, a hinge rod B, a movable plate, guide rods, electric push rods, a fixed rod, a through groove, a push plate, push rods, a spring C, a limiting plate and a clamping plate, the guide rods are sleeved at the two sides of the base and the middle parts of the two ends of the base, the movable plate is installed at one side, away from the stand, of the four groups of guide rods, the hinge rods B are hinged at the two sides of the movable block and the bottom parts of the two ends of the movable block, the bottom parts of the four groups of hinge rods B are hinged with the movable plate, the electric push rods are symmetrically installed at the middle part of the bottom part of the fixed table and are located at the two sides of the stand, the output ends of the two groups of electric push rods are connected with the movable block, the limiting plate is installed at the outer side, close to the main body of the hemodialysis machine, the push rods are sleeved at the middle parts of the two groups of push rods, the spring C is sleeved at the outer side of the two sides of the top part of the fixed table, the through groove is formed, it is two sets of the dead lever is installed to the inboard one side in logical groove, and is two sets of the outside cover of dead lever is equipped with the push pedal, the top of movable block both sides articulates there is hinge bar A, and is two sets of hinge bar A's top is articulated mutually with two sets of push pedals respectively.

Preferably, coupling assembling includes inserted bar, movable groove, spring B, slot, connection rope, swivel becket and solid fixed ring, gu fixed ring is located the opposite side in the movable tube outside, the movable groove has been seted up to one side of the inboard top of fixed head and bottom, the inboard slip grafting of movable groove has the inserted bar, gu fixed ring's top and bottom seted up with inserted bar matched with slot, two sets of the top and the bottom that the movable tube was kept away from to the inserted bar are provided with spring B, one side cover in the inserted bar outside is equipped with the swivel becket, the connection rope is installed to the inboard top of swivel becket and bottom, and is two sets of connect the top and the bottom that the rope is close to the movable tube and be connected with the inserted bar.

Preferably, four sets of the movable plates are symmetrically provided with rollers on one side away from the base.

Preferably, the top of one side, close to mutually, of the two groups of push plates is provided with a through hole matched with the push rod, and the side, far away from mutually, of the two groups of push rods penetrates through the inner side of the through hole and is provided with a limiting block.

Preferably, the limiting plate is U-shaped, and grooves matched with the clamping plate are formed in two sides of the inner side of the limiting plate.

Preferably, one side of the inner side of the fixed head is provided with a connector matched with the movable pipe, and the connector is in a circular truncated cone shape.

Preferably, through holes communicated with the movable grooves are formed in one side of the top and the bottom of the fixed head, and the ends of the two groups of connecting ropes penetrate through the inner sides of the corresponding through holes and are connected with the inserted bar.

Preferably, the outer sides of the two groups of push rods are close to one side, fixing blocks are installed on the outer sides of the two groups of push rods, and the two sides of the spring C are connected with the push plate and the fixing blocks respectively.

Preferably, the cross-sectional shape of inserted bar is trapezoidal, the top of inserted bar is installed with the stopper that matches with the activity groove.

Compared with the prior art, the invention has the beneficial effects that: the hemodialysis conversion device;

1. according to the invention, through the mutual matching of the insertion rod, the movable groove, the spring B, the insertion groove, the connecting rope, the rotating ring and the fixed ring, when the honeycomb duct is installed, the fixed head can be directly inserted into the outer side of the movable pipe after the insertion rod is aligned with the insertion groove, so that the fixed head can be automatically fixed, the connection of the honeycomb duct and the movable pipe is completed, when the honeycomb duct is disassembled, the insertion rod can be pulled to move through the connecting rope only by rotating the rotating ring, and the fixation of the fixed head is released, so that the efficiency of the honeycomb duct replacing of the device is improved, and the assembling and disassembling process is simpler and more convenient;

2. according to the invention, through the mutual matching of the threaded rod, the adjusting cavity, the control ball, the connecting pipeline, the spring A and the movable pipe, the movable pipe can be pulled to move firstly when the guide pipe is pulled by external force, and the spring A can be pushed to compress when the movable pipe moves, so that the pulling force can be relieved by utilizing the elastic restoring force of the spring A and the movable space of the movable pipe, the connecting pipe and the connecting part are prevented from being greatly pulled and damaged, the service life of the connecting pipe is prolonged, and the blood flow can be adjusted according to the use requirement when the device is used, so that the adjustment is very convenient, and the use convenience is improved;

3. according to the invention, through the mutual matching of the hinge rod A, the hinge rod B, the movable plate, the guide rod, the electric push rod, the electric contact block A, the electric contact block B, the movable ring, the fixed rod, the push plate, the push rod, the spring C and the clamping plates, when the movable plate moves under the pulling force, the electric push rod can be automatically opened to push the movable block to move downwards to expand the movable plate outwards to increase the bearing area of the bottom of the device, so that the device is prevented from falling due to the continuous pulling force, the equipment is prevented from being damaged, and when the movable plate moves downwards, the two groups of push plates can be simultaneously driven to approach each other, so that the two groups of clamping plates can tightly clamp the hemodialysis machine body, the stability of the hemodialysis machine body is improved, the hemodialysis machine body can be prevented from moving and falling, and the overall stability of the device is improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a top cross-sectional view of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2;

FIG. 6 is an enlarged view of the structure of FIG. 3 at B in accordance with the present invention;

fig. 7 is a perspective view of the movable tube and stationary head of the present invention.

In the figure: 1. a base; 2. a threaded rod; 3. a regulating bin; 4. a nut; 5. a control ball; 6. connecting a pipeline; 7. a flow guide pipe; 8. a fixed head; 9. a rod is inserted; 10. a movable groove; 11. a spring A; 12. a spring B; 13. a slot; 14. connecting ropes; 15. a rotating ring; 16. a movable tube; 17. a fixing ring; 18. a fixed table; 19. a hinge rod A; 20. a hinge lever B; 21. a movable plate; 22. a guide bar; 23. a movable block; 24. a column; 25. an electric push rod; 26. a hemodialysis machine main body; 27. an electrical contact block A; 28. an electrical contact block B; 29. a movable ring; 30. fixing the rod; 31. a through groove; 32. pushing the plate; 33. a push rod; 34. a spring C; 35. a limiting plate; 36. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an embodiment of the present invention is shown: the utility model provides a hemodialysis conversion equipment, includes base 1 and honeycomb duct 7, its characterized in that: the middle part of the top of the base 1 is provided with a stand column 24, the top of the stand column 24 is provided with a fixed platform 18, the middle part of the top of the fixed platform 18 is provided with a hemodialysis machine main body 26, the middle part of the outer side of the stand column 24 is sleeved with a movable block 23, the top of one side of the hemodialysis machine main body 26 is provided with an adjusting bin 3, the bottom of one side of the adjusting bin 3 is provided with a connecting pipeline 6 communicated with the hemodialysis machine main body 26, one side of the top of the adjusting bin 3 is provided with a nut 4, the inner side of the nut 4 is in threaded connection with a threaded rod 2, the bottom of the threaded rod 2 extends into the adjusting bin 3 and is provided with a control ball 5, the middle part of one side of the adjusting bin 3 is sleeved with a movable tube 16, one side of a flow guide tube 7 is provided with a fixed head 8 matched with the movable tube 16, the middle part of the outer side of the movable tube 16 is sleeved with a movable ring 29, one side of the outer side of the movable tube 16 is sleeved with a spring A11 connected with the movable ring 29, the top and the bottom of one side of the movable ring 29 are provided with an electric contact block A27, the top of one side inside the adjusting bin 3 is provided with an electric contact block B28 matched with the electric contact block A27, the middle parts of the two sides and the two ends of the base 1 are sleeved with adjusting components, and the other side of the outer side of the movable pipe 16 is provided with a connecting component.

In the implementation, the adjusting assembly includes a hinge rod a19, a hinge rod B20, a movable plate 21, guide rods 22, electric push rods 25, a fixed rod 30, a through slot 31, a push plate 32, push rods 33, a spring C34, a limiting plate 35 and a clamping plate 36, the guide rods 22 are sleeved on the two sides and the middle parts of the two ends of the base 1, the movable plate 21 is installed on one side of the four groups of guide rods 22 away from the upright column 24, the hinge rod B20 is hinged on the two sides and the bottom of the two ends of the movable block 23, the bottoms of the four groups of hinge rods B20 are hinged with the movable plate 21, the electric push rods 25 are symmetrically installed in the middle part of the bottom of the fixed table 18, the electric push rods 25 are located on the two sides of the upright column 24, the output ends of the two groups of electric push rods 25 are connected with the movable block 23, the limiting plate 35 is installed on the outer side of the middle part of the top of the fixed table 18 close to the hemodialysis machine body 26, the push rods 33 are sleeved on the middle parts of the two sides of the limiting plate 35, the outer side of the two groups of the push rods 33 are sleeved with the spring C34, the middle part of fixed station 18 top both sides has been seted up and has been led to groove 31, and the dead lever 30 is installed to one side that two sets of groove 31 inboards, and the outside cover of two sets of dead levers 30 is equipped with push pedal 32, and the top of movable block 23 both sides articulates there is hinge bar A19, and the top of two sets of hinge bar A19 is articulated mutually with two sets of push pedal 32 respectively.

In this implementation, coupling assembling includes inserted bar 9, activity groove 10, spring B12, slot 13, connect rope 14, swivel becket 15 and solid fixed ring 17, gu fixed ring 17 is located the opposite side in the activity pipe 16 outside, activity groove 10 has been seted up to the inboard top of fixed head 8 and one side of bottom, the inboard slip grafting in activity groove 10 has inserted bar 9, gu fixed ring 17's top and bottom have been seted up with inserted bar 9 matched with slot 13, the top and the bottom of keeping away from activity pipe 16 of two sets of inserted bars 9 are provided with spring B12, one side cover in the inserted bar 9 outside is equipped with swivel becket 15, swivel becket 15 inboard top and bottom are installed and are connected rope 14, two sets of connection ropes 14 are connected with inserted bar 9 near the top and the bottom of activity pipe 16.

In this embodiment, the four sets of movable plates 21 are symmetrically provided with rollers on the side away from the base 1.

In this embodiment, the top of one side of the two groups of push plates 32 close to each other is provided with a through hole matched with the push rod 33, and the side of the two groups of push rods 33 far away from each other penetrates through the inner side of the through hole and is provided with a limiting block.

In this embodiment, the limiting plate 35 is U-shaped, and two sides of the inner side of the limiting plate 35 are provided with grooves adapted to the clamping plate 36.

In this embodiment, a connector fitting with the movable tube 16 is disposed on one side of the inner side of the fixed head 8, and the connector is in the shape of a truncated cone.

In the implementation, through holes communicated with the movable grooves 10 are formed in one side of the top and the bottom of the fixed head 8, and the ends of the two groups of connecting ropes 14 penetrate through the corresponding through holes and are connected with the inserted rods 9.

In this embodiment, a fixing block is installed on one side of the outer sides of the two sets of push rods 33, and two sides of the spring C34 are respectively connected with the push plate 32 and the fixing block.

In this embodiment, the cross-sectional shape of the insertion rod 9 is trapezoidal, and the top of the insertion rod 9 is provided with a limiting block matched with the movable groove 10.

In embodiment 1, as shown in fig. 2, 5 and 7, when the fluid guide tube 7 needs to be removed and replaced, the connection cord 14 can be pulled to move by rotating the rotating ring 15, and then the insertion rod 9 can be pulled by the connection cord 14, so that the insertion rod 9 can be pulled out from the insertion slot 13 against the elastic force of the spring B12, and the connection between the fluid guide tube 7 and the movable tube 16 can be released, and the fluid guide tube 7 can be directly removed, thereby facilitating the replacement of the fluid guide tube 7.

Embodiment 2, as shown in fig. 1, 2 and 6, when the movable block 23 moves downward, the two sets of push plates 32 can be pulled by the connection of the hinge rod a19, so that the two sets of push plates 32 can approach each other under the guidance of the fixed rod 30, the spring C34 can be pushed to compress, the fixed block can be pressed by the elastic restoring force of the spring C34, and the push rod 33 can be pushed to approach each other, so that the two sets of clamping plates 36 can tightly clamp the hemodialysis machine body 26, the stability of the hemodialysis machine body 26 is improved, and the hemodialysis machine body 26 can be prevented from falling off movably.

The working principle is as follows: when the device is used for installing the draft tube 7, the fixed head 8 can be inserted into the outer side of the movable tube 16, the fixed ring 17 can be clamped into the inner side of the fixed head 8 during insertion, meanwhile, due to the shape characteristic of the inserted rod 9, the inserted rod 9 can be pushed by the fixed ring 17 to slide into the inner side of the movable groove 10 against the elastic force of the spring B12, when the inserted rod 9 moves to correspond to the slot 13, the inserted rod 9 can be pushed by the elastic restoring force of the spring B12 to be inserted into the slot 13, so that the draft tube 7 is fixedly connected with the movable tube 16, the movable tube 16 can be clamped into the outer side of the connector at the moment, the sealing performance of the connection position is ensured, when the draft tube 7 needs to be disassembled and replaced, the connection between the draft tube 7 and the movable tube 16 can be released only by rotating the rotating ring 15, the draft tube 7 can be directly disassembled, and the draft tube 7 can be conveniently replaced;

when the draft tube 7 is pulled by external force after being installed, the movable tube 16 can be pulled to move to one side, a certain moving space is provided for the movable tube 16, the movable ring 29 can be pushed to move to one side through the spring A11 when the movable tube 16 moves, and after the electric contact block A27 is contacted with the electric contact block B28, the spring A11 can be pushed to compress to buffer the pulling force, so that the damage to the draft tube 7 and the joint due to the external force can be reduced;

when the electric contact block A27 contacts with the electric contact block B28, two groups of electric push rods 25 can be automatically started, the movable block 23 can be pushed by the electric push rods 25 to move downwards under the guidance of the upright column 24, at the moment, the movable block 23 can push the movable plate 21 to move outwards under the connection of the hinge rod B20, the movable plate 21 can be guided by the guide rod 22, when the movable plate 21 is unfolded, the bearing area of the bottom of the device can be increased, the device can be prevented from falling caused by continuous pulling force, meanwhile, when the movable block 23 moves downwards, two groups of push plates 32 can be pulled to approach through the connection of the hinge rod A19, two groups of clamping plates 36 can be pushed to tightly clamp the hemodialysis machine main body 26, the stability of the hemodialysis machine main body 26 is improved, when the pulling force disappears, the movable block 23 can be driven by the electric push rods 25 to ascend, the device is reset, and the occupied volume of the bottom of the device is reduced, the influence on the action of the working personnel is prevented;

when the device uses, the water conservancy diversion of blood accessible honeycomb duct 7 gets into in the movable tube 16, rethread movable tube 16 carries to the regulation storehouse 3 in, the water conservancy diversion through connecting tube 6 at last can make blood get into hemodialysis in the hemodialysis machine main part 26 and dialyse, when needing to adjust blood flow, accessible carousel rotation threaded rod 2, make threaded rod 2 move down under the screw thread is spacing of nut 4, promote control ball 5 and move about, when control ball 5 moves down, can block the import department of connecting tube 6, reducible blood flow, when moving on control ball 5, then multiplicable blood flow, it is very convenient to adjust.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the invention are exemplary, but not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a hemodialysis conversion equipment, includes base (1) and honeycomb duct (7), its characterized in that: the middle part at base (1) top has stand (24), fixed station (18) are installed at the top of stand (24), the middle part at fixed station (18) top is provided with hemodialysis machine main part (26), the middle part cover in the stand (24) outside is equipped with movable block (23), regulation storehouse (3) is installed at the top of hemodialysis machine main part (26) one side, the bottom of regulation storehouse (3) one side is provided with connecting tube (6) that is linked together with hemodialysis machine main part (26), nut (4) are installed to one side of regulation storehouse (3) top, the inboard threaded connection of nut (4) has threaded rod (2), the bottom of threaded rod (2) extends to the inside of regulation storehouse (3) and installs control ball (5), the middle part cover of regulation storehouse (3) one side is equipped with movable tube (16), one side of honeycomb duct (7) is provided with fixed head (8) with movable tube (16) matched with, the middle part cover in the movable tube (16) outside is equipped with activity ring (29), one side cover in the movable tube (16) outside is equipped with spring A (11) that are connected with activity ring (29), the top and the bottom of activity ring (29) one side are provided with electric touch multitouch A (27), the top of adjusting the inside one side of storehouse (3) is provided with and electric touch multitouch B (28) with electric touch multitouch A (27) matched with, the middle part cover at base (1) both sides and both ends is equipped with adjusting part, the opposite side in the movable tube (16) outside is provided with coupling assembling.

2. A hemodialysis conversion apparatus according to claim 1, wherein: the adjusting component comprises an articulated rod A (19), an articulated rod B (20), a movable plate (21), guide rods (22), electric push rods (25), a fixed rod (30), a through groove (31), a push plate (32), push rods (33), a spring C (34), a limiting plate (35) and a clamping plate (36), wherein the guide rods (22) are sleeved at the two sides and the middle parts of the two ends of the base (1), the movable plate (21) is installed at one side, far away from the stand column (24), of the four groups of guide rods (22), the articulated rod B (20) is hinged at the two sides and the bottom of the two ends of the movable block (23), the bottoms of the four groups of articulated rods B (20) are hinged with the movable plate (21), the electric push rods (25) are symmetrically installed at the middle part of the bottom of the fixed table (18), the electric push rods (25) are located at the two sides of the stand column (24), and the output ends of the two groups of electric push rods (25) are connected with the movable block (23), fixed station (18) top middle part is close to the outside of hemodialysis machine main part (26) and installs limiting plate (35), the middle part cover of limiting plate (35) both sides is equipped with push rod (33), and is two sets of the outside cover of push rod (33) is equipped with spring C (34), logical groove (31) have been seted up at the middle part of fixed station (18) top both sides, and is two sets of lead to one side of groove (31) inboard and install dead lever (30), and are two sets of the outside cover of dead lever (30) is equipped with push pedal (32), the top of movable block (23) both sides articulates there is hinge bar A (19), and is two sets of the top of hinge bar A (19) is articulated mutually with two sets of push pedal (32) respectively.

3. A hemodialysis conversion apparatus according to claim 1, wherein: the connecting assembly comprises an inserted link (9), a movable groove (10), a spring B (12), an inserting groove (13), a connecting rope (14), a rotating ring (15) and a fixing ring (17), the fixed ring (17) is positioned at the other side of the outer side of the movable pipe (16), movable grooves (10) are arranged at one side of the top and the bottom of the inner side of the fixed head (8), the inner side of the movable groove (10) is inserted with an inserted bar (9) in a sliding way, the top and the bottom of the fixed ring (17) are provided with slots (13) matched with the inserted bar (9), the top and the bottom of the two groups of inserted bars (9) far away from the movable pipe (16) are provided with springs B (12), one side cover in inserted bar (9) outside is equipped with swivel becket (15), swivel becket (15) inboard top and bottom are installed and are connected rope (14), and are two sets of connect rope (14) and be close to the top and the bottom of activity pipe (16) and be connected with inserted bar (9).

4. A hemodialysis conversion apparatus according to claim 2, wherein: four groups of movable plates (21) are symmetrically provided with rollers at one side far away from the base (1).

5. A hemodialysis conversion apparatus according to claim 2, wherein: the top of one side, close to mutually, of the two groups of push plates (32) is provided with through holes matched with the push rods (33), and the two groups of push rods (33) are far away from one side and penetrate through the inner side of the through holes and are provided with limiting blocks.

6. A hemodialysis conversion apparatus according to claim 2, wherein: the limiting plate (35) is U-shaped, and grooves matched with the clamping plates (36) are formed in the two sides of the inner side of the limiting plate (35).

7. A hemodialysis conversion apparatus according to claim 1, wherein: one side of the inner side of the fixed head (8) is provided with a connector matched with the movable pipe (16), and the shape of the connector is a circular truncated cone.

8. A hemodialysis conversion apparatus according to claim 3, wherein: through holes communicated with the movable grooves (10) are formed in one side of the top and the bottom of the fixed head (8), and the ends of the two groups of connecting ropes (14) penetrate through the inner sides of the corresponding through holes and are connected with the inserted rods (9).

9. A hemodialysis conversion apparatus according to claim 2, wherein: and the outer sides of the two groups of push rods (33) are close to one side and are provided with fixed blocks, and the two sides of the spring C (34) are respectively connected with the push plate (32) and the fixed blocks.

10. A hemodialysis conversion apparatus according to claim 3, wherein: the cross-sectional shape of inserted bar (9) is trapezoidal, the top of inserted bar (9) is installed with activity groove (10) matched with stopper.