CN202207346U - Portable blood purifying system - Google Patents
Portable blood purifying system Download PDFInfo
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- CN202207346U CN202207346U CN2011202801538U CN201120280153U CN202207346U CN 202207346 U CN202207346 U CN 202207346U CN 2011202801538 U CN2011202801538 U CN 2011202801538U CN 201120280153 U CN201120280153 U CN 201120280153U CN 202207346 U CN202207346 U CN 202207346U
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Abstract
The utility model relates to a portable blood purifying system. The system comprises a high flux dialyzer with an arterial duct, a venous duct, a cleaning fluid tube, and a transfusion tube, the arterial duct is successively provided with an arterial valve, an arterial pressure sensor, and a blood pump in series; the venous duct is successively provided with a venous valve, a venous temperature sensor, a venous bubble detector, and a venous pressure sensor in series, forming an external cycle unit; the cleaning fluid tube is in series with a pre-charge valve and communicated with a cleaning fluid container, the transfusion tube is successively provided with a temperature controller, a transfusion tube bubble collector, and a transfusion pump in series, and is communicated with a waste fluid container, forming a waste fluid processing unit; the system also comprises a transfusion pump, a temperature control device, a transfusion tube, a gate valve, a first transfusion tube branch and a second transfusion tube branch, forming a transfusion unit. The portable blood purifying system is advantaged by simple structure, convenient carrying; suitability for multitime short-time dialysis or night dialysis treatment for patients at home as home treatment device, and reduction of medical care cost and toxin tolerance of dialysis patients in dialysis period.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of medical apparatus and instruments that is used for unconventional dialysis that is used to give treatment to acute and chronic renal failure, multiple organ failure, MOF, severe medicine and toxic poisoning, promptly a kind of blood purification system.
Background technology
Renal failure and uremia are worldwide all very general critical illness.Show have the whole America in 2005 to surpass 450,000 end-stage renal failure patient according to U.S. kidney data base.In China, the incomplete statistics of the Chinese nephropathy of certificate association, the uremic patient that needs treatment at present is nearly more than 1,000,000.
At present, applied main method is treated for dialysis by renal failure and uremia, comprises hemodialysis and peritoneal dialysis.Hemodialysis have remove toxin fully, be suitable for advantage such as prolonged application, be to use maximum Therapeutic Method clinically.Needing key in application equipment in the blood dialysis is haemodialysis control unit, and modern haemodialysis control unit is in order to realize better therapeutic effect, and version is all very complicated.Usually, hemodialysis mainly comprises parts such as dialysate supply unit, automatic monitoring system and extracorporeal blood circulation system.Dialysate supply unit comprises dynamical system and temperature-controlling system, and the former can prepare the sterile dialysis liquid of electrolyte content near human body automatically, and the negative pressure of dialysis fluid circuit is provided; The latter mainly keeps dialysis solution constant temperature and supplies with.The automatic monitoring device carries out being provided with for the extracorporeal circulation of blood safety that guarantees dialysis procedure, generally by dialysis solution and blood flow rate regulator control system, dialysate concentration monitoring system, sound pulse pressure monitor system, leak blood monitor system etc. and partly form.
Based on complex apparatus structure and work process, the hemodialysis function is removed the intravital toxin of uremic patient more effectively.But haemodialysis control unit and corresponding treatment pattern still have big drawback at present, are mainly reflected in:
1) purification efficiency is low.The cardinal principle of haemodialysis control unit treatment is that the toxin in the blood spreads to dialysis fluid side gradually under the concentration difference of film both sides drives.Modern dialysis process can efficiently be removed the micromolecule toxin in the blood, but obviously not enough to the removal efficient of the middle molecule toxins of the intravital key of carbamide disease patient.In order to reach sufficient detoxifying effect, general each dialysis treatment need reach cleanout fluid more than 120 liters.
2) the treatment cost is high.The generally online preparation in therapeutic process of dialysis solution in the hemodialysis, so need complicated dialysate supply unit in the haemodialysis control unit, to realize the preparing sterile dialysis liquid of electrolyte content automatically near human body.And in order to guarantee security of operation, also need set up the concentration monitoring in the haemodialysis control unit and mismatch warning, the dialysis solution that mismatches that causes with prevention machine and man-made fault takes place.Complicated system structure causes equipment cost high.On the other hand, need the dialysis solution of labor in the blood dialysis, thereby cause the use cost of equipment also high.And in order to satisfy the water for dialysis needs, hemodialysis requires to be equipped with complicated water treatment facilities, has further improved the treatment cost of hemodialysis.In the U.S., only 2000 once the expense that is used for end-stage renal failure treatment up to 14,200,000,000 dollars.And in China, a hemodialysis in hospital year medical expense per capita is about 6 to 100,000 yuan, and high expense causes a lot of patients to can not get efficacious therapy and death.
3) patient's poor life quality.Existing haemodialysis control unit build is huge, and needs large-scale water purification system support, and therefore the use place to equipment has proposed very high requirement.Therefore, current hemodialysis mode mainly still is a so-called dialysis center hemodialysis (In-center hemodialysis), and promptly patient goes to hospital dialysis center, dialyses weekly 2～3 times, dialyses 4～6 hours at every turn.Patient's routine work and life seriously disturbed in loaded down with trivial details so round treatment meeting, reduces patient's life quality, and the long-term treatment meeting makes patient produce mental maladjustment easily.According to statistics, up to 27% hemodialysis patient suicidal tendency is arranged.
Based on the existing above problem of existing haemodialysis control unit, this utility model is devoted to use new method and is treated cost and improve patient's quality of life with raising therapeutic quality, reduction with design.
The utility model content
The blood purification efficient that existing haemodialysis control unit and corresponding treatment pattern exist is low, the treatment cost is high, the problem of patient's poor life quality in order to solve, and this utility model provides that a kind of therapeutic quality is high, the treatment cost is low and improve patient's portable blood cleaning system of quality of life.
The technical solution that realizes above-mentioned purpose is following:
The portable blood cleaning system comprises high flux dialyser 4, and the inner chamber of said high flux dialyser 4 inlet 401 is being communicated with an end of ductus arteriosus 100, connecting successively from the other end tremulous pulse conduit tremulous pulse valve 101, arterial pressure sensor 103 and blood pump 104; The inner chamber outlet 402 of high flux dialyser 4 is being communicated with an end of venous duct 110; Connecting successively from the other end venous duct vein valve 109, vein temperature sensor 108, vein bubble detector 107, venous pressure sensor 106, constituting body outer circulation unit; Be respectively equipped with bubble trap on said arterial pressure sensor 103 and the venous pressure sensor 106;
The exocoel inlet 403 of said high flux dialyser 4 is being communicated with an end of cleanout fluid pipe, and the other end of cleanout fluid pipe is being communicated with soda liquor container 201, and soda liquor container 201 is provided with cleanout fluid weight sensor 202, the Prefill valve 306 of connecting on the cleanout fluid pipe; The outlet of soda liquor container 201 is being communicated with an end of tube for transfusion 200, and the other end of tube for transfusion 200 is being communicated with first port of the sluice valve 206 of infusing, the temperature controller 203 of connecting successively on the tube for transfusion 200, tube for transfusion bubble trap 204 and infusion pump 205; Second port of transfusion sluice valve 206 is being communicated with an end of the first tube for transfusion branch road 210, and the other end of the first tube for transfusion branch road 210 is being communicated with venous duct 110 between the import of inner chamber outlet 402 and venous pressure sensor 106 of high flux dialyser through tee T; The 3rd port of transfusion sluice valve 206 is being communicated with an end of the second tube for transfusion branch road 220, and the other end of the second tube for transfusion branch road 220 is being communicated with the ductus arteriosus 100 between tremulous pulse valve 101 and the arterial pressure sensor 103 through tee T;
The exocoel outlet 404 of high flux dialyser 4 is being communicated with an end of sewer pipe; The other end of sewer pipe is being communicated with waste fluid container 301; Waste fluid container 301 is provided with waste liquid weight sensor 302; Connecting on the sewer pipe blood leak detector 305, waste liquid pressure transducer 304, ultrafiltrate pump 303, waste liquid pressure transducer 304 is provided with pressure transducer.
The exocoel inlet 403 of said high flux dialyser 4 is being communicated with first port of waste liquid sluice valve 307; Second port of waste liquid sluice valve 307 is being communicated with soda liquor container 201; The 3rd port of waste liquid sluice valve 307 is being communicated with an end of regenerating tube; The other end of regenerating tube is being communicated with the outlet of waste fluid container 301, connecting successively from the regenerating tube of waste fluid container 301 outlet adsorber 310, sterilizing filter 309, regenerative pump 308.
Said temperature controller 203 is the electric heating heater.
Have bubble trap on said arterial pressure sensor 103, venous pressure sensor 106 and the waste liquid pressure transducer 304.
Said blood pump 104, infusion pump 205 and ultrafiltrate pump 303 are peristaltic pump, the rotating speed accurate and adjustable.
Said tremulous pulse valve 101, vein valve 109 and Prefill valve 306 are two-way pinch valve, and transfusion sluice valve 206 and waste liquid sluice valve 307 are the three-dimensional pinch valve.
This utility model can be realized two kinds of functions: pure hemofiltration and hemodiafiltration.When this utility model is realized the hemodiafiltration function; Transfusion unit comprises elements such as bottled or packed aseptic cleanout fluid, infusion pump, tube for transfusion, sluice valve; Wherein tube for transfusion is connected with the ductus arteriosus and the venous duct of extracorporeal blood circulation system respectively through sluice valve, can select preceding dilution (" perfusion back ultrafiltration earlier ") or back dilution (" perfusion back ultrafiltration earlier ") flexibly through equipment sluice valve state; The liquid waste processing unit comprises elements such as ultrafiltrate pump, sewer pipe, cleanout fluid regenerating unit and waste fluid container, and waste liquid is adsorbed purification at adsorber under the driving of pump, gets into high flux dialyser or filter and continues to purge away the poison in one's blood with the effect of dialysing.When this utility model was realized the pure hemofiltration function, ultrafiltrate directly formed waste collection in waste fluid container.
Under two kinds of mode of operations; This utility model has all adopted the method for following a kind of non-invasive measurement and control flow velocity: through reading the weight change of measured cleanout fluid of weight sensor and waste liquid; Feedback control cleanout fluid and waste liquid flow velocity, and control the net ultrafiltration amount indirectly.
At transfusion unit, the temperature controller of this utility model is a kind of electric heating heater, to realize the cleanout fluid heating of non-immersion.Inner at temperature controller, wash liquid stream is through the liquid bag of a special shape, and in this liquid bag back-shaped flowing, heated gradually by the silica gel thermostat of heating in the flow process.
Cleanout fluid regeneration sector in the system comprises adsorber 310, regenerative pump 308 and the sterilizing filter 309 of adsorbents such as containing active carbon, resin.Come the self-cleaning waste liquid under the driving of regenerative pump 308, to get into adsorber 310 and be adsorbed purification, become the regeneration dialysis solution and get into the high flux dialyser again, with the lasting micromolecule toxin of removing in the blood of the effect of dialysis.
Through above design, the relative haemodialysis control unit of this utility model has the advantage of following several respects:
1) in having efficiently, the micromolecule toxin removes ability, blood purification efficient obviously improves.
2) the required cleanout fluid of treatment significantly reduces, and each treatment only need be less than 8 liters cleanout fluid, and the system that makes has broken away from the dependence to water correction plant on the one hand, and the treatment cost also reduces greatly.
3) system moves used cleanout fluid and can prepare in advance, need not systems such as complicated online compounding system of dialysis solution and corresponding concentration measurement and control, and device structure is simplified greatly, and operational reliability and safety be raising relatively also.
4) system's running is simple, need not complicated specialty operation, and patient can independently treat.Intelligence control system in the system can arrive patient's physiological data remote transmission dialysis monitoring center, thereby ensures treatment safety and treatment curative effect effectively.
5) traditional relatively haemodialysis control unit, this utility model structure is simplified greatly, can move easily, and be easy to carry.This utility model can be used as therapeutic equipment at home, is more suitable for patient's repeatedly dialysis or nocturnal dialysis treatment in short-term at home, when reducing the medical care cost, reduces dialysis patient in the dialysis toxin tolerance of interval.
Description of drawings
Fig. 1 is this utility model structural representation.
Fig. 2 is the structural representation with cleanout fluid regeneration module.
Among the above-mentioned figure, the exocoel outlet of the exocoel outlet of the inner chamber of 100 ductus arteriosuss, 101 tremulous pulse valves, 102 tee Ts, 103 arterial pressure sensor, 104 blood pumps, 105 tee Ts, 106 venous pressure sensor, 107 vein bubble detectors, 108 vein temperature sensors, 109 tremulous pulse valves, 110 venous ductes, 200 tube for transfusions, 201 soda liquor containers, 202 cleanout fluid weight sensors, 203 temperature control equipments, 204 tube for transfusion bubble traps, 205 infusion pump, 206 tube for transfusion sluice valves, 210 tube for transfusion branch roads, 220 tube for transfusion branch roads, 301 waste fluid containers, 302 waste liquid weight sensors, 303 ultrafiltrate pumps, 304 waste liquid pressure transducers and pressure transducer, 305 blood leak detectors, 306 Prefill valves, 307 sewer pipe sluice valves, 4 high flux dialysers, 401 high flux dialysers inlet, 402 high flux dialysers, the exocoel inlet of 403 high flux dialysers, 404 high flux dialysers.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is done to describe further through embodiment.
Embodiment:
Referring to Fig. 1; The portable blood cleaning system comprises high flux dialyser 4; The inner chamber of high flux dialyser 4 inlet 401 is being communicated with an end of ductus arteriosus 100, connecting successively from the other end tremulous pulse conduit tremulous pulse valve 101, arterial pressure sensor 103 and blood pump 104; The inner chamber outlet 402 of high flux dialyser 4 is being communicated with an end of venous duct 110; Connecting successively from the other end venous duct vein valve 109, vein temperature sensor 108, vein bubble detector 107, venous pressure sensor 106, constituting body outer circulation unit; Be separately installed with bubble trap on arterial pressure sensor 103 and the venous pressure sensor 106;
The exocoel inlet 403 of high flux dialyser 4 is being communicated with an end of cleanout fluid pipe, and the other end of cleanout fluid pipe is being communicated with soda liquor container 201, and cleanout fluid weight sensor 202 is installed on the soda liquor container 201, the Prefill valve 306 of connecting on the cleanout fluid pipe; The outlet of soda liquor container 201 is being communicated with an end of tube for transfusion 200, and the other end of tube for transfusion 200 is being communicated with first port of the sluice valve 206 of infusing, the temperature controller 203 of connecting successively on the tube for transfusion 200, tube for transfusion bubble trap 204 and infusion pump 205; Second port of transfusion sluice valve 206 is being communicated with an end of the first tube for transfusion branch road 210, and the other end of the first tube for transfusion branch road 210 is being communicated with venous duct 110 between the import of inner chamber outlet 402 and venous pressure sensor 106 of high flux dialyser through tee T; The 3rd port of transfusion sluice valve 206 is being communicated with an end of the second tube for transfusion branch road 220, and the other end of the second tube for transfusion branch road 220 is being communicated with the ductus arteriosus 100 between tremulous pulse valve 101 and the arterial pressure sensor 103 through tee T;
The exocoel outlet 404 of high flux dialyser 4 is being communicated with an end of sewer pipe; The other end of sewer pipe is being communicated with waste fluid container 301; Waste liquid weight sensor 302 is installed on the waste fluid container 301; Connecting on the sewer pipe blood leak detector 305, waste liquid pressure transducer 304, ultrafiltrate pump 303 are equipped with bubble trap on the waste liquid pressure transducer 304.
Referring to Fig. 2; The exocoel inlet 403 of high flux dialyser 4 is being communicated with first port of waste liquid sluice valve 307; Second port of waste liquid sluice valve 307 is being communicated with soda liquor container 201; The 3rd port of waste liquid sluice valve 307 is being communicated with an end of regenerating tube, and the other end of regenerating tube is being communicated with the outlet of waste fluid container 301, connecting successively from the regenerating tube of waste fluid container 301 outlet adsorber 310, sterilizing filter 309, regenerative pump 308; This a part of mechanism forms the cleanout fluid regeneration sector.
High flux dialyser 4 models are the APS series Asahi Chemical Industry PS membrane hemodialyzer of Japanese Asahi Kasei medical treatment apparatus Co., Ltd..
Comprise bubble trap in arterial pressure sensor 103, venous pressure sensor 106 and the waste liquid pressure transducer 304, pick off hardware passes through the air measured pressure value, and does not directly contact with liquid.
The pure hemofiltration mode of operation is following:
As shown in Figure 1, the ductus arteriosus 100 and the venous duct 110 of system is connected respectively to the tremulous pulse and the vein of human body.In extracorporeal circulation of blood unit 1, arterial blood is pumped into the inner chamber inlet 401 of high flux dialyser 4 through tremulous pulse valve 101, tee T 102 and arterial pressure sensor 103 by blood pump 104.Blood is flowed out by the inner chamber outlet 402 of high flux dialyser 4, through vein tee T 105, venous pressure sensor 106, vein bubble detector 107, temperature sensor 108, vein valve 109, flows back to human body by venous duct 110.
In transfusion unit, sterile dialysis liquid by tube for transfusion 200 flow through temperature controller 203, tube for transfusion pressure transducer 204, pumps into extracorporeal circulation of blood by infusion pump 205 from soda liquor container 201.The decanting point of cleanout fluid has two kinds of selections.Wherein, cleanout fluid injects ductus arteriosus 100 to be mixed with blood, and dilution is " dilution back ultrafiltration earlier " before being called; And cleanout fluid injection venous duct 110 mixes with blood, is called back dilution i.e. " diluting after the first ultrafiltration ".
In the liquid waste processing unit, ultrafiltrate flows out from the exocoel of high flux dialyser outlet 404 under the driving of ultrafiltrate pump 305 and forms waste liquids, and flow through successively blood leak detector 305, waste liquid pressure transducer 304 of waste liquid flows back to waste fluid container 301.Wherein, waste liquid pressure transducer 304 is used for the detection of transmembrane pressure.
The weight of liquid is measured by cleanout fluid weight sensor 202 and waste liquid weight sensor 302 respectively in soda liquor container 201 and the waste fluid container 301, with the flow velocity of feedback control cleanout fluid and waste liquid, and the accurate indirectly speed of controlling perfusion and ultrafiltration.
The hemodiafiltration mode of operation is following:
Under this mode of operation, identical under the extracorporeal circulation of blood unit of system and transfusion unit and the pure hemofiltration pattern.Institute's difference is, has increased elements such as adsorber 310 and regenerative pump 308 in the liquid waste processing unit, and is as shown in Figure 2.After exporting 404 effusive waste liquids and get into waste fluid containers 301 from the exocoel of high flux dialyser; Driving at regenerative pump 308 is lowered to adsorber 310; Spent solution regeneration is a dialysis solution, gets into high flux dialyser 4 through sterilizing filter 309 again from the exocoel inlet 403 of high flux dialyser and high flux dialyser 4 then.The most of toxin that in adsorber 310, contains in the waste liquid is adsorbed agent absorption, and content of toxins is far below blood in the regeneration dialysis solution after treatment, and therefore the toxin in high flux dialyser 4 inner blood sides especially can continue to diffuse to dialysis fluid side.In addition, make the waste liquid flow velocity greater than the regeneration dialysate flow rate through control regenerative pump 310 and ultrafiltrate pump 303, can realize successive Ultrafiltration, system continues to remove the toxin in the blood through the mode of dialysis filtration.
Claims (6)
1. portable blood cleaning system; Comprise high flux dialyser (4); It is characterized in that; The inner chamber of said high flux dialyser (4) inlet (401) is being communicated with an end of ductus arteriosus (100), connecting successively from the other end tremulous pulse conduit tremulous pulse valve (101), arterial pressure sensor (103) and blood pump (104); The inner chamber outlet (402) of high flux dialyser (4) is being communicated with an end of venous duct (110); Connecting successively from the other end venous duct vein valve (109), vein temperature sensor (108), vein bubble detector (107), venous pressure sensor (106), constituting body outer circulation unit; Be respectively equipped with bubble trap on said arterial pressure sensor (103) and the venous pressure sensor (106);
The exocoel inlet (403) of said high flux dialyser (4) is being communicated with an end of cleanout fluid pipe; The other end of cleanout fluid pipe is being communicated with soda liquor container (201); Soda liquor container (201) is provided with cleanout fluid weight sensor (202), the Prefill valve (306) of connecting on the cleanout fluid pipe; The outlet of soda liquor container (201) is being communicated with an end of tube for transfusion (200); The other end of tube for transfusion (200) is being communicated with first port of transfusion sluice valve (206), the temperature controller (203) of connecting successively on the tube for transfusion (200), tube for transfusion bubble trap (204) and infusion pump (205); Second port of transfusion sluice valve (206) is being communicated with an end of the first tube for transfusion branch road (210), and the other end of the first tube for transfusion branch road (210) is being communicated with venous duct (110) between the import of inner chamber outlet (402) and venous pressure sensor (106) of high flux dialyser through tee T; The 3rd port of transfusion sluice valve (206) is being communicated with an end of the second tube for transfusion branch road (220), and the other end of the second tube for transfusion branch road (220) is being communicated with the ductus arteriosus (100) between tremulous pulse valve (101) and the arterial pressure sensor (103) through tee T;
The exocoel outlet (404) of high flux dialyser (4) is being communicated with an end of sewer pipe; The other end of sewer pipe is being communicated with waste fluid container (301); Waste fluid container (301) is provided with waste liquid weight sensor (302); Connecting on the sewer pipe blood leak detector (305), waste liquid pressure transducer (304), ultrafiltrate pump (303), waste liquid pressure transducer (304) is provided with pressure transducer.
2. portable blood cleaning system according to claim 1; It is characterized in that: the exocoel inlet (403) of said high flux dialyser (4) is being communicated with first port of waste liquid sluice valve (307); Second port of waste liquid sluice valve (307) is being communicated with soda liquor container (201); The 3rd port of waste liquid sluice valve (307) is being communicated with an end of regenerating tube; The other end of regenerating tube is being communicated with the outlet of waste fluid container (301), connecting successively from the regenerating tube of waste fluid container (301) outlet adsorber (310), sterilizing filter (309), regenerative pump (308).
3. portable blood cleaning system according to claim 1 is characterized in that: said temperature controller (203) is the electric heating heater.
4. portable blood cleaning system according to claim 1 is characterized in that: have bubble trap on said arterial pressure sensor (103), venous pressure sensor (106) and the waste liquid pressure transducer (304).
5. portable blood cleaning system according to claim 1 is characterized in that: said blood pump (104), infusion pump (205) and ultrafiltrate pump (303) are peristaltic pump.
6. portable blood cleaning system according to claim 1; It is characterized in that: said tremulous pulse valve (101), vein valve (109) and Prefill valve (306) are two-way pinch valve, and transfusion sluice valve (206) and waste liquid sluice valve (307) are the three-dimensional pinch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202801538U CN202207346U (en) | 2011-08-04 | 2011-08-04 | Portable blood purifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202801538U CN202207346U (en) | 2011-08-04 | 2011-08-04 | Portable blood purifying system |
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| Publication Number | Publication Date |
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| CN202207346U true CN202207346U (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202801538U Expired - Lifetime CN202207346U (en) | 2011-08-04 | 2011-08-04 | Portable blood purifying system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389594A (en) * | 2011-08-04 | 2012-03-28 | 黄昱 | Portable blood purifying system |
| CN102641526A (en) * | 2012-05-16 | 2012-08-22 | 重庆山外山科技有限公司 | Bedside continuous hemodialysis filtration device |
| CN103845770A (en) * | 2012-11-29 | 2014-06-11 | 珠海弘陞生物科技开发有限公司 | Automatic flushing device and method for blood filter |
| CN107666918A (en) * | 2015-05-25 | 2018-02-06 | 甘布罗伦迪亚股份公司 | Equipment I II for extracorporeal blood treatment |
-
2011
- 2011-08-04 CN CN2011202801538U patent/CN202207346U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389594A (en) * | 2011-08-04 | 2012-03-28 | 黄昱 | Portable blood purifying system |
| CN102389594B (en) * | 2011-08-04 | 2014-04-30 | 黄昱 | Portable blood purifying system |
| CN102641526A (en) * | 2012-05-16 | 2012-08-22 | 重庆山外山科技有限公司 | Bedside continuous hemodialysis filtration device |
| CN103845770A (en) * | 2012-11-29 | 2014-06-11 | 珠海弘陞生物科技开发有限公司 | Automatic flushing device and method for blood filter |
| CN107666918A (en) * | 2015-05-25 | 2018-02-06 | 甘布罗伦迪亚股份公司 | Equipment I II for extracorporeal blood treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120502 Effective date of abandoning: 20140430 |
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| RGAV | Abandon patent right to avoid regrant |