CN115400277A - Automatic liquid changing device for peritoneal dialysis - Google Patents

Abstract

The invention relates to the field of peritoneal dialysis, in particular to an automatic liquid changing device for peritoneal dialysis, which comprises a shell, wherein a plurality of uniformly distributed vertical plates are arranged in the shell, an peritoneal dialysis solution bag is hung above the vertical plates, a collecting box is arranged below the vertical plates, a waste solution bag is placed in the collecting box, a connector for peritoneal dialysis is arranged between the peritoneal dialysis solution bag and the waste solution bag, the peritoneal dialysis solution bag is connected with the connector through a liquid inlet pipe, the waste solution bag is connected with the connector through a drainage pipe, through holes are formed in the side surface of the shell, corresponding to the connector, positions of the shell, through holes are formed, a short pipe on the body of a user is inserted into the through holes, a clamping device is arranged at the position of the vertical plate, corresponding to the connector, and can drive the connector to be connected with or separated from the short pipe, a knob device is arranged at the position of the vertical plate, corresponding to the short pipe, and can drive an iodine cap and the connector on the short pipe to rotate.

Description

Automatic liquid changing device for peritoneal dialysis

Technical Field

The invention relates to the field of peritoneal dialysis solutions, in particular to a device for automatically replacing peritoneal dialysis solutions.

Background

In order to alleviate chronic kidney disease, replacement therapy is performed on the kidney, generally including peritoneal dialysis, hemodialysis and kidney transplantation, wherein peritoneal dialysis is low in cost and can be performed at home, and a user can generally complete the treatment at home;

in the process of carrying out peritoneal dialysis, the user is required to discharge the waste liquid in the abdomen of the user at first, then the new peritoneal dialysis liquid is introduced into the abdomen, the user needs to open and close various pipelines in the peritoneal dialysis in time in the process of carrying out operation, and the iodophor cap needs to be replaced in time, so that the independent patient inconvenient to move is inconvenient, the liquid replacing process is carried out, the clean and sanitary maintenance is required, and the independent patient is not friendly.

Disclosure of Invention

The invention provides an automatic liquid changing device for peritoneal dialysis, aiming at solving the problems that the operation process is more complicated and the unique patient with inconvenient action can not finish liquid changing operation independently in the prior art.

The technical scheme of the invention is as follows: including the shell, set up the riser of several equipartition in the shell, the riser top is used for hanging peritoneal dialysis liquid bag, the riser below sets up collects the box, places the waste liquid bag in collecting the box, sets up the interface that peritoneal dialysis liquid used between peritoneal dialysis liquid bag and the waste liquid bag, peritoneal dialysis liquid bag passes through inlet tube and interface connection, the waste liquid bag passes through drainage tube and interface connection, the through-hole is all seted up to the position department that the shell side corresponds the interface, the user inserts its characterized in that in the through-hole with the nozzle stub on one's body: the riser correspond the position department of interface set up clamping device, clamping device can drive the interface and be connected with the nozzle stub and separately, the position department that the riser corresponds the nozzle stub sets up the knob device, the iodine-doped photovoltaic cap and the interface on the nozzle stub can be driven to the knob device and rotate, set up on the riser and break disconnected device off with the fingers and thumb, break disconnected device off with the fingers and thumb the disposable export stopper of connecting below the peritoneal dialysis solution bag and break off with the fingers and thumb to make the peritoneal dialysis solution in the peritoneal dialysis solution bag flow off with the fingers and thumb.

Furthermore, clamping device include first arc latch closure and second arc latch closure, the installation limit of interface is located between first arc latch closure and the second arc latch closure, wherein rotate between first arc latch closure and the second arc latch closure and be connected, and rotate the department and install the torsional spring.

Furthermore, the position department that the riser side corresponds the interface install horizontally first electronic guide rail, the cooperation is installed first electronic slider on the first electronic guide rail, install first arc latch closure on the first electronic slider, correspond the position department installation electronic clip of liquid inlet pipe and drainage tube on the first electronic slider, the liquid inlet pipe passes corresponding electronic clip with the drainage tube.

Further, the knob device include annular gasbag, the position department that the shell inner wall corresponds the nozzle stub installs step motor, the suit disc on the step motor output shaft, disc side-mounting annular gasbag, annular gasbag can expand and contract by oneself, annular gasbag inflation can with the iodophor cap and interface side contact.

Furthermore, a flexible friction layer is arranged on the outer side surface of the annular air bag.

Furthermore, the position department that the riser corresponds interface and nozzle stub installs the electronic guide rail of second, the electronic slider of cooperation installation second on the electronic guide rail of second, the last disinfection box of installation of the electronic slider of second, place new iodophor cap in the disinfection box, the electronic slider of second removes and can drive the iodophor cap and align with the nozzle stub.

Furthermore, the second electric sliding block is connected with the baffle in a sliding mode through the reset spring, the baffle forms a step, the side face of the vertical plate corresponds to the moving track of the baffle, the baffle is provided with a limiting block corresponding to the opening of the disinfection box, the sterile gasket is arranged at the position, corresponding to the opening of the disinfection box, of the baffle, the sterile gasket blocks the outlet of the disinfection box, the disinfection box is close to the end opening of the interface, and the opening is matched with the installation piston.

Further, break disconnected device off with fingers and thumb include electric telescopic handle, the riser top sets up the heat preservation box, the heat preservation box is rotated by first box body and second box body and is connected and form, the installation couple in the first box body can hang the peritoneal dialysis solution bag on the couple, first box body and second box body bottom surface butt joint department all install a semi-circular extension section of thick bamboo, when first box body and second box body were closed, two semi-circular extension sections of thick bamboo can press from both sides tight disposable export stopper, the riser corresponds the position department installation electric telescopic handle of disposable export stopper.

Furthermore, the short pipe is composed of a connecting port, a handheld part and a knob switch, the inner end of the through hole is rotatably connected with a rotary cylinder, a fixed cylinder is arranged at the position corresponding to the handheld part in the shell and is sleeved on the handheld part to keep the stability of the short pipe, the rotary cylinder is sleeved on the knob switch and can rotate by itself, and the rotary cylinder can drive the knob switch to rotate by rotating.

Furthermore, a first rubber pad is fixedly arranged on the inner wall of the fixed cylinder, and a second rubber pad is fixedly arranged on the inner wall of the rotary cylinder.

The invention achieves the following beneficial effects: the short tube on the body of a patient can be automatically connected with the interface needing to be subjected to peritoneal dialysis through the movement of the first electric slide block and the knob device, so that the waste liquid in the body of the patient is discharged and collected, and simultaneously, new peritoneal dialysis liquid can be supplemented.

Drawings

FIG. 1 is a schematic perspective view of the present embodiment;

FIG. 2 is a schematic perspective view of the internal structure of the housing of the present embodiment;

FIG. 3 is a schematic perspective view of a connection relationship on a vertical plate of the present embodiment;

FIG. 4 is a perspective view showing the peritoneal dialysis solution exchange of the present embodiment;

FIG. 5 is a first usage state diagram of the present embodiment;

FIG. 6 is a second usage state diagram of the present embodiment;

FIG. 7 is a schematic perspective view of the thermal insulation box of the present embodiment;

FIG. 8 is a schematic perspective view of the short pipe of the present embodiment;

fig. 9 is a schematic perspective view of the knob device of the present embodiment.

Detailed Description

To facilitate an understanding of the invention for those skilled in the art, a specific embodiment thereof will be described below with reference to the accompanying drawings.

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.

In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The invention provides an automatic liquid changing device for peritoneal dialysis, which comprises a shell 1, wherein a plurality of through holes 2 are formed in the side surface of the shell 1, and a user can automatically discharge waste liquid in the abdomen and flow new peritoneal dialysis liquid into the abdomen of a patient by extending a short pipe 3 connected with the abdomen into the through holes 2.

As shown in fig. 2 and 3, a vertical plate 4 is fixedly installed at a position corresponding to each through hole 2 on the inner wall of the shell 1, a heat preservation box 5 is fixedly installed above the side surface of the vertical plate 4, an abdominal liquid permeating bag 6 is hung in the heat preservation box 5, abdominal liquid is kept at a proper temperature through the heat preservation box 5, so that the abdominal liquid is more comfortable when being introduced into a patient, a collection box 7 is fixedly installed below the side surface of the vertical plate 4, a waste liquid bag 8 is placed in the collection box 7, a connector 9 of the abdominal liquid permeating drainage tube is arranged at a position corresponding to the through hole 2 between the abdominal liquid permeating bag 6 and the waste liquid bag 8, the connector 9 is connected with a short tube 3 on the patient, the abdominal liquid permeating bag 6 is connected with the connector 9 through a liquid inlet tube 10, and the waste liquid bag 8 is connected with the connector 9 through a drainage tube 11.

When the user needs to replace the peritoneal dialysis solution, the short tube 3 on the patient needs to be connected with the interface 9, then the waste solution in the abdomen of the patient is guided into the waste solution bag 8 through the drainage tube 11, and then the new peritoneal dialysis solution in the peritoneal dialysis solution bag 6 flows into the patient through the drainage tube 10.

As shown in fig. 3 and 4, a first electric guide rail 12 is fixedly installed at a position corresponding to the through hole 2 on the side surface of the vertical plate 4, a first electric slider 13 is installed on the first electric guide rail 12 in a matching manner, a first arc-shaped buckle 14 is fixedly installed on the first electric slider 13, the end part of the first arc-shaped buckle 14 is rotatably connected with a second arc-shaped buckle 15, a torsion spring is installed at the rotating position, the second arc-shaped buckle 15 is opened, the interface 9 is placed between the first arc-shaped buckles 14, then the second arc-shaped buckle 15 is loosened, the second arc-shaped buckle 15 clamps the annular installation edge of the interface 9 under the action of the torsion spring, at this time, the interface 9 cannot move relative to the second electric slider 13 but can freely rotate, when the short pipe 3 extends into the through hole 2, the second electric slider 13 moves to drive the interface 9 to approach the through hole 2, and at this time, the interface is connected with the short pipe 3, as shown in fig. 5.

As shown in fig. 3 and 4, an electric clamp 16 is fixedly installed at a position corresponding to the liquid inlet tube 10 and the drainage tube 11 on the first electric slider 13, and the liquid inlet tube 10 and the drainage tube 11 both pass through the corresponding electric clamp 16, so that the liquid inlet tube 10 and the drainage tube 11 can be closed when the electric clamp 16 clamps.

Therefore, when the connector 9 is connected to the short tube 3, the electric clip 16 first clamps the inlet tube 10 and opens the drainage tube 11, the waste liquid in the abdomen of the patient can only enter the waste liquid bag 8 through the drainage tube 11, when the waste liquid is discharged, the electric clip 16 closes the drainage tube 11 and opens the inlet tube 10, and the abdominal liquid enters the abdomen of the patient through the inlet tube 10.

As shown in fig. 8, the short tube 3 on the patient body is composed of a connection port 301, a handheld portion 302 and a knob switch 303, wherein an external thread is provided on the connection port 301, and an internal thread is provided on the connection port 9, so when the short tube 3 is connected with the connection port 9, the connection port 9 is connected with the short tube 3 through a thread, when the connection port 9 is connected with the short tube 3, the connection port 9 is butted with the short tube 3 through a first electric slider, then the connection port 9 is rotated to connect the short tube 3, and then the knob switch 303 is rotated to open the short tube 3, so that the short tube 3 is communicated with the connection port 9.

As shown in fig. 4 and 9, a stepping motor 17 is arranged at a position of the inner wall of the housing 1 corresponding to the short tube 3, a coaxial disc 18 is sleeved on an output shaft of the stepping motor 17, an annular air bag 19 is fixedly mounted on the side surface of the disc 18, an air pump is arranged in the annular air bag 19 to enable the annular air bag 19 to automatically expand and contract, a flexible friction layer 20 is arranged on the outer side surface of the annular air bag 19, when the interface 9 is in butt joint with the short tube 3, the annular air bag 19 expands to enable the flexible friction layer 20 to be in contact with the side surface of the interface 9, as shown in fig. 5, the stepping motor 17 rotates to drive the interface 9 to rotate under the action of friction force to enable the interface 9 to be connected with the short tube 3, and when liquid exchange is completed, the stepping motor 17 rotates reversely to separate the interface 9 from the short tube 3, and then the first electric slider 13 moves to enable the interface 9 to be far away from the short tube 3.

As shown in fig. 4, when the short tube 3 is connected to a patient, the short tube 3 is provided with an iodine cap 21 for preventing infection at the position of the connection port 301, the iodine cap 21 is connected with the connection port 301 through a thread, when peritoneal dialysis fluid is replaced, the old iodine cap 21 needs to be taken off first, then a new iodine cap 21 needs to be replaced after fluid replacement is completed, when the short tube 3 is inserted into the through hole 2, the annular air bag 19 expands at the moment, the flexible friction layer 20 is in contact with the side surface of the iodine cap 21, then the stepping motor 17 rotates, the old iodine cap 21 is unscrewed under the action of friction force, then the old iodine cap 21 is recorded into the collection box 7 under the action of gravity, and then the interface 9 is communicated with the short tube 3 for fluid replacement operation.

In order to install a new iodophor cap 21, as shown in fig. 4, a second electric guide rail 22 perpendicular to the first electric guide rail 12 is fixedly installed at the position of the vertical plate 4 corresponding to the first electric guide rail 12, a second electric slide block 23 is installed on the second electric guide rail 22 in a matching manner, a disinfection box 24 is fixedly installed on the second electric slide block 23, the new iodophor cap 21 is placed in the disinfection box 24, two opposite ends of the disinfection box 24 are opened, one end of the opening is close to the interface 9, the other end of the interface is close to the through hole 2, a piston 25 is installed at one end close to the interface 9 in a matching manner, the movable piston 25 can push the new iodophor cap 21 in the disinfection box 24 to move out from the other end, after the interface 9 is separated from the short tube 3, the second electric slide block 23 is moved to align the disinfection box 24 with the short tube 3, then the first electric slide block 13 is moved, the end face of the interface 9 pushes the piston 25 to move, the piston 25 moves to push the iodophor cap 21 to move towards the short tube 3, as shown in fig. 6, when the new iodophor cap 21 is butted with the connecting port 301 on the short tube 3, the annular air bag 19 makes the flexible air bag contact with the side face of the short tube 21, and the short tube 21, the flexible iodine cap 21 rotates under the action of the flexible iodine cap, and then the short tube 21, and the flexible iodine cap after the short tube 21 rotates under the action of the flexible friction force of the short tube 3.

As shown in fig. 4, a baffle 26 is slidably connected to the second electric slider 23, a step is formed at the upper end of the baffle 26, a return spring is installed at the sliding position between the baffle 26 and the second electric slider 23, the return spring enables the baffle 26 to be always aligned with the disinfection box 24, an aseptic gasket is installed at the position of the side surface of the baffle 26 corresponding to the disinfection box 24, when the baffle 26 is aligned with the disinfection box 24, the aseptic gasket seals the opening of the disinfection box 24, so as to ensure that the new iodophor cap 21 is not easily infected, a limit block 27 is fixedly installed at the position of the riser 4 corresponding to the track of the baffle 26, when the second electric slider 23 moves downwards, and the disinfection box 24 is aligned with the short tube 3, when the baffle 26 moves to the position of the limit block 27, the step on the baffle 26 contacts with the limit block 27, at this time, the baffle 26 cannot move continuously, the baffle 26 and the second electric slider 23 relatively move, at this time, the baffle 26 slowly opens the disinfection box 24, as shown in fig. 6, at this time, the iodine cap 21 can be in butt joint with the short tube 3.

As shown in fig. 4 and fig. 8, a fixing cylinder 28 is fixedly installed at a position corresponding to the short tube 3 in the housing 1 through a support, wherein the fixing cylinder 28 is sleeved on the handheld portion 302 on the short tube 3, the fixing cylinder 28 is fixedly installed with a first rubber pad 29, the handheld portion 302 is stably located in the fixing cylinder 28 through the first rubber pad 29, the fixing cylinder 28 is rotatably connected with a coaxial rotating cylinder 30, the rotating cylinder 30 is sleeved on a knob switch 303 on the short tube 3, a second rubber pad 31 is fixedly installed in the rotating cylinder 30, friction between the rotating cylinder 30 and the knob switch 303 is increased through the second rubber pad 31, the outer end of the rotating cylinder 30 is rotatably connected with the inner end of the through hole 2, and the rotating cylinder 30 is driven by a motor, when the rotating cylinder 30 rotates, the knob switch 303 can be driven to rotate, so as to open and close the short tube 3.

As shown in fig. 3 and 7, the thermal insulation box 5 is rotatably connected with the second box body 502 through the first box body 501, the hook 503 is fixedly installed in the first box body 501, the peritoneal dialysis solution bag 6 can be hung on the hook 503, wherein semicircular extension barrels 504 are fixedly installed at the bottom ends of the first box body 501 and the second box body 502, the disposable outlet plug 32 is installed between the peritoneal dialysis solution bag 6 and the liquid inlet pipe 10, when the peritoneal dialysis solution bag 6 needs to be drained, the disposable outlet plug 32 needs to be broken off, when the first box body 501 and the second box body 502 are closed, the two semicircular extension barrels 504 are combined, the disposable outlet plug 32 is clamped between the two semicircular extension barrels 504, the electric telescopic rod 33 is fixedly installed at the position of the vertical plate corresponding to the disposable outlet plug 32, when the first box body 501 and the second box body 502 are closed, the electric telescopic rod 33 can be extended to be in contact with the disposable outlet plug 32, and the disposable outlet 32 can be broken off under the abutting effect of the semicircular extension barrels 504, thereby ensuring the use of the device.

When all the peritoneal dialysis solutions in the shell 1 are used up, the peritoneal dialysis solution bag 6 needs to be replaced with a new one, as shown in fig. 1 and 2, the side surface of the shell 1 is positioned without a window formed between two vertical plates 4, the window is rotatably connected with a door plate 34, and the corresponding peritoneal dialysis solution bag 6 can be replaced by opening the door plate 34.

Specifically, during the use process, the user firstly inserts the short tube 3 into the through hole 2, at this time, the hand-held portion 302 on the short tube 3 is clamped by the fixed cylinder 28, meanwhile, the rotary cylinder 30 is clamped with the knob switch 303, then the annular air bag 19 is expanded to enable the flexible friction layer 20 to be in contact with the side surface of the old iodophor cap 21, then the stepping motor 17 rotates to take down the old iodophor cap 21, and falls into the collection box 7, then the first electric slide block 13 moves to enable the interface 9 to be butted with the short pipe 3, then the stepping motor 17 rotates again to communicate the interface 9 with the short pipe 3, then the rotary cylinder 30 rotates to open the short pipe 3, meanwhile, the electric clamp 16 closes the liquid inlet tube 10, opens the drainage tube 11, the abdominal waste liquid of the patient flows into the waste liquid bag 8, when the abdominal waste liquid flows out, the rotary cylinder 30 rotates to close the short tube 3, at the same time, the electric telescopic rod 33 is extended to break the disposable outlet plug 32, then the two electric clamps 16 are opened simultaneously, so that the peritoneal dialysis solution enters the waste liquid bag 8 through the liquid inlet tube 10 and the drainage tube 11, for cleaning and exhausting air, and then the electric clamp 16 closes the drainage tube 11, opens the liquid inlet tube 10, simultaneously, the short pipe 3 is opened to ensure that the peritoneal dialysis solution enters the human body, when the peritoneal dialysis solution finishes flowing, the electric clamp 16 closes the liquid inlet pipe 10 and the drainage pipe 11, the short pipe 3 is closed, the interface 9 is taken down, and away from the short tube 3, after which the second motorized slider 23 moves, aligning the new iodophor cap 21 in the sterilisation cassette 24 with the short tube 3, after which the first motorized slider 13 moves, the new iodophor cap 21 is sleeved on the short tube 3 through the piston 25, then the iodophor cap 21 is connected with the short tube 3 through the annular air bag 19, and then the short tube 3 is drawn out, so that the liquid changing process is completed at the moment.

When liquid is changed again to needs, can insert in different through-hole 2, after all peritoneal dialysis liquid all used up, can contact the doctor and change, whole process automation degree is done, and it is convenient to use, is fit for some special patients of inconvenient action.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a peritoneal dialysis is with automatic liquid device that trades, which comprises an outer shell (1), set up riser (4) of several equipartition in shell (1), riser (4) top is used for hanging peritoneal dialysis solution bag (6), riser (4) below sets up collects box (7), place waste liquid bag (8) in collecting box (7), set up interface (9) that peritoneal dialysis solution was used between peritoneal dialysis solution bag (6) and waste liquid bag (8), peritoneal dialysis solution bag (6) are connected with interface (9) through inlet tube (10), waste liquid bag (8) are connected with interface (9) through drainage tube (11), through-hole (2) are all seted up to the position department that shell (1) side corresponds interface (9), user is with nozzle stub (3) on one's body insert through-hole (2), its characterized in that: riser (4) position department that corresponds interface (9) set up clamping device, clamping device can drive the interface and be connected with nozzle stub (3) and part, riser (4) position department that corresponds nozzle stub (3) sets up the knob device, the knob device can drive iodophor cap (21) and interface (9) on nozzle stub (3) and rotate, set up on riser (4) and break off with the fingers and thumb the device off with the fingers and thumb, break off with the fingers and thumb the disposable export stopper (32) that the device can be connected below peritoneal dialysis solution bag (6) and break off with the fingers and thumb, thereby make the peritoneal dialysis in peritoneal dialysis solution bag (6) flow out.

2. The automatic fluid exchange device for peritoneal dialysis as claimed in claim 1, wherein: the clamping device comprises a first arc-shaped buckle (14) and a second arc-shaped buckle (15), the installation edge of the interface (9) is located between the first arc-shaped buckle (14) and the second arc-shaped buckle (15), the first arc-shaped buckle (14) and the second arc-shaped buckle (15) are connected in a rotating mode, and the torsion spring is installed at the rotating position.

3. The automatic fluid exchange device for peritoneal dialysis as claimed in claim 2, wherein: the position department that corresponds interface (9) in riser (4) side install horizontally first electronic guide rail (12), first electronic slider (13) of cooperation installation are gone up in first electronic guide rail (12), install first arc latch closure (14) on first electronic slider (13), correspond position department installation electronic clip (16) of liquid inlet pipe (10) and drainage tube (11) on first electronic slider (13), liquid inlet pipe (10) and drainage tube (11) pass corresponding electronic clip (16).

4. The automatic fluid exchange device for peritoneal dialysis as claimed in claim 1, wherein: the knob device comprises an annular air bag (19), a stepping motor (17) is installed at the position, corresponding to the short pipe (3), of the inner wall of the shell (1), a disc (18) is sleeved on an output shaft of the stepping motor (17), the annular air bag (19) is installed on the side face of the disc (18), the annular air bag (19) can expand and contract automatically, and the annular air bag (19) can expand to be in contact with the side face of the iodophor cap (21) and the interface (9).

5. The automatic fluid exchange device for peritoneal dialysis as claimed in claim 4, wherein: the outer side surface of the annular air bag (19) is provided with a flexible friction layer (20).

6. The automatic fluid exchange device for peritoneal dialysis as claimed in claim 1, wherein: the position department that riser (4) correspond interface and nozzle stub (3) install the electronic guide rail of second (22), the electronic slider of cooperation installation second (23) is gone up in the electronic guide rail of second (22), install disinfection box (24) on the electronic slider of second (23), place new iodophor cap (21) in disinfection box (24), the electronic slider of second (23) remove and to drive iodophor cap (21) and nozzle stub (3) and align.

7. The automatic fluid exchange device for peritoneal dialysis as claimed in claim 6, wherein: the second electric sliding block (23) is connected with the baffle (26) in a sliding mode through the reset spring, the baffle (26) forms a step, a limit block (27) is installed on the moving track of the side face of the vertical plate (4) corresponding to the baffle (26), an aseptic gasket is installed at the opening position of the baffle (26) corresponding to the disinfection box (24), the aseptic gasket seals an outlet of the disinfection box (24), the disinfection box (24) is close to an end opening of the interface (9), and the opening is matched with the installation piston (25).

8. The automatic fluid exchange device for peritoneal dialysis as claimed in claim 1, wherein: broken device off with fingers and thumb include electric telescopic handle (33), riser (4) top sets up heat preservation box (5), heat preservation box (5) are rotated by first box body (501) and second box body (502) and are connected and constitute, install couple (503) in first box body (501), can hang peritoneal dialysis liquid bag (6) on couple (503), semicircular extension section of thick bamboo (504) are all installed to first box body (501) and second box body (502) bottom surface butt joint department, when first box body (501) and second box body (502) were closed, two semicircular extension section of thick bamboo (504) can press from both sides tight disposable export stopper (32), riser (4) correspond position department installation electric telescopic handle (33) of disposable export stopper (32).

9. The automatic fluid exchange device for peritoneal dialysis as claimed in claim 1, wherein: the short pipe (3) is composed of a connecting port (301), a handheld portion (302) and a knob switch (303), the inner end of the through hole (2) is rotatably connected with a rotary cylinder (30), a fixed cylinder (28) is installed at a position corresponding to the handheld portion (302) in the shell (1), the fixed cylinder (28) is sleeved on the handheld portion (302) to keep the stability of the short pipe (3), the rotary cylinder (30) is sleeved on the knob switch (303), the rotary cylinder (30) can rotate automatically, and the rotary cylinder (30) rotates to drive the knob switch (303) to rotate.

10. The automatic fluid exchange device for peritoneal dialysis as claimed in claim 9, wherein: a first rubber pad (29) is fixedly arranged on the inner wall of the fixed cylinder (28), and a second rubber pad (31) is fixedly arranged on the inner wall of the rotary cylinder (30).

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