CN110801546B - Portable peritoneal dialysis device - Google Patents
Portable peritoneal dialysis device Download PDFInfo
- Publication number
- CN110801546B CN110801546B CN201911152194.6A CN201911152194A CN110801546B CN 110801546 B CN110801546 B CN 110801546B CN 201911152194 A CN201911152194 A CN 201911152194A CN 110801546 B CN110801546 B CN 110801546B
- Authority
- CN
- China
- Prior art keywords
- peritoneal dialysis
- connecting pipe
- box
- waste liquid
- transfer bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000502 dialysis Methods 0.000 title claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 239000002699 waste material Substances 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims abstract description 14
- 239000012528 membrane Substances 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims 4
- 229920001296 polysiloxane Polymers 0.000 claims 2
- 210000004379 membrane Anatomy 0.000 description 23
- 102000004169 proteins and genes Human genes 0.000 description 13
- 108090000623 proteins and genes Proteins 0.000 description 13
- 102000035195 Peptidases Human genes 0.000 description 5
- 108091005804 Peptidases Proteins 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000008103 glucose Substances 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 3
- 230000017854 proteolysis Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 208000037157 Azotemia Diseases 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 229920001184 polypeptide Polymers 0.000 description 2
- 102000004196 processed proteins & peptides Human genes 0.000 description 2
- 108090000765 processed proteins & peptides Proteins 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000003053 toxin Substances 0.000 description 2
- 231100000765 toxin Toxicity 0.000 description 2
- 208000009852 uremia Diseases 0.000 description 2
- 239000002441 uremic toxin Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000385 dialysis solution Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000004303 peritoneum Anatomy 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
- A61M1/282—Operational modes
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Urology & Nephrology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to the technical field of peritoneal dialysis devices, in particular to a portable peritoneal dialysis device which comprises a first connecting pipe, wherein one end of the first connecting pipe is connected with a second connecting pipe and a third connecting pipe through a three-way joint, the other end of the second connecting pipe is connected with the upper end of a waste liquid box, the other end of the third connecting pipe is connected with the upper end of the peritoneal dialysis box, a first filtering film and a partition plate are fixedly arranged on the inner wall of the waste liquid box, the first filtering film is positioned above the partition plate, the lower end of the partition plate is provided with a first liquid discharge port, a valve is arranged on the first liquid discharge port, a handle of the valve is positioned on the outer side of the waste liquid box, the lower end of the waste liquid box is provided with a second liquid discharge port, the side wall of the waste liquid box is also connected with the upper end of a transfer bag through a fourth connecting pipe, and after the device is used, a first magnet piece and a second magnet piece are mutually attracted, at the moment, the waste liquid box and the peritoneal dialysis box form a whole body, so that the device is convenient to carry.
Description
Technical Field
The invention relates to the technical field of peritoneal dialysis devices, in particular to a portable peritoneal dialysis device.
Background
Peritoneal Dialysis (PD) is a type of dialysis that uses the peritoneum of the human body itself as a dialysis membrane. The dialysate filled into the abdominal cavity exchanges solute and moisture with the plasma components in the capillary vessel on the other side of the peritoneal membrane, so that metabolites and excessive moisture remained in the body are removed, and substances necessary for the body are supplemented by the dialysate. The aim of kidney replacement or supporting therapy is achieved by continuously updating the peritoneal dialysis solution.
In the peritoneal dialysis process, the waste liquid discharged from the outside of the body usually contains protein and other nutrient substances, and if the protein is directly discharged, the nutrient waste can be caused, and at the moment, the patient needs to take in extra protein, so that the burden of the patient is improved, and the medical cost is increased.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a portable peritoneal dialysis device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable peritoneal dialysis device comprises a first connecting pipe, wherein one end of the first connecting pipe is connected with a second connecting pipe and a third connecting pipe through a three-way joint, the other end of the second connecting pipe is connected with the upper end of a waste liquid box, the other end of the third connecting pipe is connected with the upper end of the peritoneal dialysis box, a first filtering film and a partition plate are fixedly arranged on the inner wall of the waste liquid box, the first filtering film is positioned above the partition plate, the lower end of the partition plate is provided with a first liquid discharge port, a valve is arranged on the first liquid discharge port, a handle of the valve is positioned outside the waste liquid box, the lower end of the waste liquid box is provided with a second liquid discharge port, the side wall of the waste liquid box is also connected with the upper end of a transfer bag through a fourth connecting pipe, the joint of the fourth connecting pipe and the waste liquid box is positioned above the first filtering film, and the upper end of the transfer bag is connected with a mixing mechanism, the middle part of the inner wall of the transfer bag is provided with a second filtering membrane, the lower end of the transfer bag is connected with the upper end of the peritoneal dialysis box through a fifth connecting pipe, and the upper end of the peritoneal dialysis box is provided with a feeding hole.
Preferably, mixing mechanism includes the barrel, the upper end of barrel is the opening form, and the inside of barrel is provided with the piston, the upper end of piston is connected with the connecting rod, the upper end of connecting rod extends to the outside of barrel and is connected with the middle part of terminal surface under the handle, the both ends of terminal surface all are connected with the dead lever under the handle, the movable tube has been cup jointed to the lower extreme of dead lever, and the lower extreme of movable tube is provided with the head, is connected with the spring between dead lever and the movable tube, and the lower extreme of movable tube is connected with same lantern ring, the lantern ring cup joints on the outer wall of barrel, and the lantern ring passes through threaded connection with the barrel.
Preferably, the lower end of the cylinder is connected with the upper end of the transfer bag through a sixth connecting pipe, and the sixth connecting pipe is a silica gel hose.
Preferably, the outer wall of the barrel is connected with the outer wall of the waste liquid box through a bracket.
Preferably, the lateral wall rubberizing of waste liquid box has connect first magnet piece, one side and the transfer bag of waste liquid box are kept away from to first magnet piece are connected, the lateral wall rubberizing that the peritoneal dialysis box is close to waste liquid box has connected the second magnet piece, the second magnet piece is close to mutually with one side that first magnet piece magnetic pole is opposite.
Preferably, the fifth connecting pipe is a silica gel hose, and a check valve is installed on the fifth connecting pipe.
Preferably, valves are arranged on the second connecting pipe, the third connecting pipe, the fourth connecting pipe, the feeding port and the second liquid outlet.
The invention has the beneficial effects that:
1. when this device uses, collect the waste liquid box inside with the outer waste liquid of discharge, first filtration membrane can filter the waste liquid, first filtration membrane can see through first filtration membrane to the impurity of micromolecule, the protein of macromolecule can be intercepted by first filtration membrane, realize the preliminary recovery of protein, the preliminary back of retrieving of protein, arrange into the transfer bag, add proteolytic enzyme through mixing mechanism, with proteolysis, the below of second filtration membrane can be entered into to the amino acid or the polypeptide that obtain of hydrolysising, inject into the peritoneal dialysis box through the fifth connecting pipe, realize the recovery of protein, the patient's of being convenient for reuse, reduce nutrient substance's loss.
2. After proteolysis in the transfer bag is finished, the first magnet piece and the second magnet piece are mutually attracted, the transfer bag is clamped tightly, liquid in the transfer bag can be automatically squeezed into the peritoneal dialysis box, and the operation is more convenient.
3. After the device is used, the first magnet piece and the second magnet piece are mutually attracted, and the waste liquid box and the peritoneal dialysis box form a whole body, so that the device is convenient to carry.
Drawings
Fig. 1 is a schematic front view of a portable peritoneal dialysis apparatus according to the present invention;
FIG. 2 is a schematic diagram of a blending mechanism of the portable peritoneal dialysis apparatus according to the present invention;
fig. 3 is a schematic structural view of a movable rod and a fixed rod of the portable peritoneal dialysis device according to the present invention.
In the figure: 1 first connecting pipe, 2 second connecting pipes, 3 waste liquid boxes, 4 third connecting pipes, 5 peritoneal dialysis boxes, 6 fourth connecting pipes, 7 transfer bags, 8 supports, 9 mixing mechanisms, 10 fifth connecting pipes, 11 first magnet pieces, 12 second magnet pieces, 13 first filtering membranes, 14 partition plates, 15 second filtering membranes, 91 cylinder bodies, 92 pistons, 93 connecting rods, 94 handles, 95 fixing rods, 96 movable pipes, 97 lantern rings and 98 springs.
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.
Referring to fig. 1-3, a portable peritoneal dialysis device comprises a first connection tube 1, one end of the first connection tube 1 is connected with a second connection tube 2 and a third connection tube 4 through a three-way joint, the other end of the second connection tube 2 is connected with the upper end of a waste liquid box 3, the other end of the third connection tube 4 is connected with the upper end of a peritoneal dialysis box 5, a first filtering membrane 13 and a partition plate 14 are fixedly arranged on the inner wall of the waste liquid box 3, the first filtering membrane 13 is positioned above the partition plate 14, the partition plate 14 is in an inverted conical shape, the lower end of the partition plate 14 is provided with a first liquid discharge port, a valve is mounted on the first liquid discharge port, a handle of the valve is positioned at the outer side of the waste liquid box 3, the lower end of the waste liquid box 3 is provided with a second liquid discharge port, the side wall of the waste liquid box 3 is also connected with the upper end of a transfer bag 7 through a fourth connection tube 6, the joint of the fourth connecting pipe 6 and the waste liquid box 3 is positioned above the first filtering membrane 13, the upper end of the transfer bag 7 is connected with a blending mechanism 9, the middle part of the inner wall of the transfer bag 7 is provided with a second filtering membrane 15, the lower end of the transfer bag 7 is connected with the upper end of the peritoneal dialysis box 5 through a fifth connecting pipe 10, the upper end of the peritoneal dialysis box 5 is provided with a feeding hole, the waste liquid box 3 is also internally provided with a sugar detector, the glucose content in the waste liquid is detected through the sugar detector, when the glucose content is lower, glucose solution is added through the feeding hole of the peritoneal dialysis box 5 to supplement glucose for a patient, the waste liquid box 3 is also provided with scales, the amount of waste liquid can be observed through the scales, timely water supplement can be carried out when water is needed, the outlet end of the peritoneal dialysis box 5, namely, the lower end of the fifth connecting pipe 10 is also provided with a bacterial filtering membrane and a uremia toxin filtering membrane, the bacterium filtration membrane is ptfe filtration membrane, intercepts the bacterium through bacterium filtration membrane, avoids the bacterium to get into the patient internal, and uremia toxin filtration membrane can filter the external uremic toxin of patient discharge, avoids the uremic toxin to enter into human inside once more.
Further, mixing mechanism 9 includes barrel 91, the upper end of barrel 91 is the opening form, and the inside of barrel 91 is provided with piston 92, piston 92's upper end is connected with connecting rod 93, the upper end of connecting rod 93 extends to the outside of barrel 91 and is connected with the middle part of terminal surface under handle 94, the both ends of terminal surface all are connected with dead lever 95 under handle 94, movable pipe 96 has been cup jointed to the lower extreme of dead lever 95, and movable pipe 96's lower extreme is provided with the head, is connected with spring 98 between dead lever 95 and the movable pipe 96, and movable pipe 96's lower extreme is connected with same lantern ring 97, lantern ring 97 cup joints on the outer wall of barrel 91, and lantern ring 97 passes through threaded connection with barrel 91.
Further, the lower end of the cylinder 91 is connected with the upper end of the transfer bag 7 through a sixth connecting pipe, and the sixth connecting pipe is a silica gel hose.
Further, the outer wall of the cylinder 91 is connected with the outer wall of the waste liquid box 3 through a bracket 8.
Further, the lateral wall rubberizing of waste liquid box 3 has connect first magnet piece 11, one side that waste liquid box 3 was kept away from to first magnet piece 11 is connected with transfer bag 7 splice, peritoneal dialysis box 5 has connect second magnet piece 12 near waste liquid box 3's lateral wall rubberizing, second magnet piece 12 is close to mutually with the opposite one side of first magnet piece 11 magnetic pole.
Furthermore, the fifth connecting pipe 10 is a silica gel hose, and a check valve is installed on the fifth connecting pipe 10, and the inlet end of the check valve is close to the transfer bag 7.
Furthermore, valves are arranged on the second connecting pipe 2, the third connecting pipe 4, the fourth connecting pipe 6, the feeding port and the second liquid outlet.
In this embodiment, when the device is used, the waste liquid discharged from the outside of the body is collected inside the waste liquid box 3, the first filtering membrane 13 can filter the waste liquid, small-molecule impurities can permeate the first filtering membrane 13, large-molecule proteins can be intercepted by the first filtering membrane 13, the primary recovery of proteins is realized, after the primary recovery of proteins, the proteins are discharged into the transfer bag 7 through the fourth connecting pipe 6, the proteolytic enzyme is added through the mixing mechanism 9, when the mixing mechanism 9 is used, the lantern ring 97 is firstly screwed down from the cylinder 91, the proteolytic enzyme is added into the cylinder 91, the lantern ring 97 is screwed down again, then the handle 94 is pressed, the proteolytic enzyme is pushed into the transfer bag 7 through the piston 92, at the moment, the spring 98 is compressed, after the spring 98 is reset, the piston 92 can be reset, the handle 94 is repeatedly pushed, the liquid can repeatedly enter and exit from the cylinder 91, the proteolytic enzyme is conveniently mixed with the liquid inside the transfer bag 7, the amino acid or polypeptide obtained after the hydrolysis of the protein, which can enter the lower part of the second filtering membrane 15, can be injected into the peritoneal dialysis cartridge 5 through the fifth connecting tube 10, so that the recovery of the protein is realized, and the reuse by the patient is facilitated.
After the proteolysis in the transfer bag 7 is finished, the first magnet piece 11 and the second magnet piece 12 are mutually attracted, at the moment, the transfer bag 7 is clamped tightly, and the liquid in the transfer bag 7 can be automatically extruded into the peritoneal dialysis box 5, so that the operation is more convenient.
After the device is used, the first magnet piece 11 and the second magnet piece 12 are mutually attracted, the waste liquid box 3 and the peritoneal dialysis box 5 form a whole at the moment, the transfer bag 7 is compressed, and the device is convenient to carry
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A portable peritoneal dialysis device comprises a first connecting pipe (1), and is characterized in that one end of the first connecting pipe (1) is connected with a second connecting pipe (2) and a third connecting pipe (4) through a three-way joint, the other end of the second connecting pipe (2) is connected with the upper end of a waste liquid box (3), the other end of the third connecting pipe (4) is connected with the upper end of a peritoneal dialysis box (5), a first filtering membrane (13) and a partition plate (14) are fixedly arranged on the inner wall of the waste liquid box (3), the first filtering membrane (13) is positioned above the partition plate (14), the lower end of the partition plate (14) is provided with a first liquid discharge port, a valve is arranged on the first liquid discharge port, a handle of the valve is positioned at the outer side of the waste liquid box (3), the lower end of the waste liquid box (3) is provided with a second liquid discharge port, the side wall of the waste liquid box (3) is also connected with the upper end of a transfer bag (7) through a fourth connecting pipe (6), the joint of the fourth connecting pipe (6) and the waste liquid box (3) is positioned above the first filtering membrane (13), the upper end of the transfer bag (7) is connected with a uniformly mixing mechanism (9), the middle part of the inner wall of the transfer bag (7) is provided with a second filtering membrane (15), the lower end of the transfer bag (7) is connected with the upper end of the peritoneal dialysis box (5) through a fifth connecting pipe (10), and the upper end of the peritoneal dialysis box (5) is provided with a feeding hole;
mixing mechanism (9) includes barrel (91), the upper end of barrel (91) is the opening form, and the inside of barrel (91) is provided with piston (92), the upper end of piston (92) is connected with connecting rod (93), the upper end of connecting rod (93) extends to the outside of barrel (91) and is connected with handle (94) middle part of terminal surface down, the both ends of terminal surface all are connected with dead lever (95) under handle (94), movable tube (96) have been cup jointed to the lower extreme of dead lever (95), and the lower extreme of movable tube (96) is provided with the head, is connected with spring (98) between dead lever (95) and movable tube (96), and the lower extreme of movable tube (96) is connected with same lantern ring (97), lantern ring (97) cup joints on the outer wall of barrel (91), and lantern ring (97) and barrel (91) pass through threaded connection.
2. The portable peritoneal dialysis set of claim 1, wherein the lower end of the cylinder (91) is connected to the upper end of the transfer bag (7) through a sixth connection tube, and the sixth connection tube is a silicone hose.
3. A portable peritoneal dialysis set according to claim 2 wherein the outer wall of the cartridge (91) is connected to the outer wall of the waste fluid cassette (3) by a bracket (8).
4. The portable peritoneal dialysis set of claim 1 or 3, wherein the side wall of the waste fluid box (3) is glued with a first magnet piece (11), one side of the first magnet piece (11) far away from the waste fluid box (3) is glued with the transfer bag (7), the side wall of the peritoneal dialysis set (5) near the waste fluid box (3) is glued with a second magnet piece (12), and the side of the second magnet piece (12) opposite to the first magnet piece (11) is close to.
5. Portable peritoneal dialysis device according to claim 4, characterized in that, the fifth connecting tube (10) is a silicone hose, and a one-way valve is installed on the fifth connecting tube (10).
6. The portable peritoneal dialysis device of claim 5, wherein valves are mounted on the second connecting tube (2), the third connecting tube (4), the fourth connecting tube (6), the feed port, and the second drain port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911152194.6A CN110801546B (en) | 2019-11-22 | 2019-11-22 | Portable peritoneal dialysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911152194.6A CN110801546B (en) | 2019-11-22 | 2019-11-22 | Portable peritoneal dialysis device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110801546A CN110801546A (en) | 2020-02-18 |
| CN110801546B true CN110801546B (en) | 2022-06-03 |
Family
ID=69491110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911152194.6A Expired - Fee Related CN110801546B (en) | 2019-11-22 | 2019-11-22 | Portable peritoneal dialysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110801546B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1979020A4 (en) * | 2006-01-30 | 2011-03-30 | Univ California | Peritoneal dialysis methods and apparatus |
| US8715221B2 (en) * | 2006-03-08 | 2014-05-06 | Fresenius Medical Care Holdings, Inc. | Wearable kidney |
| WO2017116515A1 (en) * | 2015-12-31 | 2017-07-06 | Baxter International Inc. | Methods and apparatuses using urea permselective diffusion through charged membranes |
| CN209092341U (en) * | 2018-09-27 | 2019-07-12 | 李锦� | A kind of peritoneal dialysis unit |
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2019
- 2019-11-22 CN CN201911152194.6A patent/CN110801546B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN110801546A (en) | 2020-02-18 |
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