CN2386827Y - Automatic blood dialyser - Google Patents

Automatic blood dialyser Download PDF

Info

Publication number
CN2386827Y
CN2386827Y CN 98229503 CN98229503U CN2386827Y CN 2386827 Y CN2386827 Y CN 2386827Y CN 98229503 CN98229503 CN 98229503 CN 98229503 U CN98229503 U CN 98229503U CN 2386827 Y CN2386827 Y CN 2386827Y
Authority
CN
China
Prior art keywords
dialysis
blood
filter
solution
pump
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
Application number
CN 98229503
Other languages
Chinese (zh)
Inventor
彭罗民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 98229503 priority Critical patent/CN2386827Y/en
Application granted granted Critical
Publication of CN2386827Y publication Critical patent/CN2386827Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to a blood purification device for a medical automatic blood dialyser. The utility model is composed of an extracorporeal blood circulation device, a dialysate circulation monitoring device, a dialysate capacitance monitoring device, a dialysate temperature monitoring device and a dialysis filtration monitoring device. The utility model is suitable for remedying emergency renal failure uremia, chronic renal failure uremia, and medicine and heroin poisoning addiction. Blood is driven by a roller pump (17) from an arterial duct (14) to a dialysis filter (5), the blood returns into the patients' bodies via a venous duct (20), and the extracorporeal blood circulation is formed. Dialysate is driven by a dialysate pump (7) from a dialysate container (9) to a dialyzer (5) through a dialysate pipe (1), then the dialysate returns to the dialysate container (9) and the dialysate circulation is formed; a liquid bag is driven by an elevator (39) to move just like a cable car, and the other dialysate circulation can be realized.

Description

Automatic hemodialysis filter
This utility model relates to a kind of armarium, particularly a kind of automatic hemodialysis filter.This utility model is fit to medical institutions at different levels and is used to give treatment to acute renal failure, chronic renal failure, uremia, multiple organ dysfunction syndrome companion renal failure, medicine (sedative hypnotics, psychosis, rat poison etc.) is poisoned, toxic poisoning, heroin poisoning, addiction, alcoholism, nephrotic syndrome is accompanied serious fluid retention, and diabetic nephropathy is accompanied serious fluid retention etc.
The common advantage of conventional hemodialysis (CHD) machine of prior art is: 1, can do hydrocarbonate dialysis: 2, the capacity monitor system is arranged; 3, rely on computer control.Routine hemo system portion has common shortcoming to be: 1, cost an arm and a leg, the conventional hemodialysis (CHD) machine price that generally has hydrocarbonate dialysis and capacity monitor is all about ten thousand/every of 30-40.Every main frame of paired filtration dialysis machine adds water treatment machine needs nearly 500,000 yuan.The paired filtration dialysis device is by a small-sized polysulfone membrane filter (filter area: 0.55m 2) and a fiber-like dialyser (dialyser area: 1.15-1.60m 2) the butt joint formation.Paired filtration dialysis device main frame is except that the device the same with conventional hemo system, main progress is: (1) has increased urea sensor on the filtered solution flowline, so that the concentration of carbamide in the monitoring of blood filtered solution in treatment helps adjusting definite treatment time monitoring state of an illness; (2) being provided with activated carbon adsorption on the filtered solution flowline irritates, make filtered solution urotoxins such as the creatinine in the removing filtered solution, uric acid when irritating by absorption, after filtered solution leaches from filter, filtered solution is introduced in the blood circulation of the dialyser that docks the below by the filtered solution drainage catheter, filtered solution is reclaimed, reduce amount infused.[A.Santoro On-line monitoringNephrology Dialysis Transplantation 1995.10.615-618]; [L.J.Garred, B.Canaud, J.Y.Bosc and C.Tetta Urea rebound deliverd Kt/Vdetermination with acontinuous urea sensor]; [P.M.GhezziHemodiafiltration with Separate Convection and Diffusion:PairdFiltration Dialysis Contr.Nephro., vol.69, pp.141-161,1989] especially charcoal tube technical difficulty is also little in this design, but improved the treatment cost, made general middle and small hospital be difficult to make inquiries this type of expensive conventional hemodialysis (CHD) machine.2, in a single day rely on the water source, the haemodialysis control unit of conventional import or domestic assembling all relies on the water source, cuts off the water in the treatment, must stop treatment, to prevent adverse consequences.3, to using the environmental requirement height, can not be used to the rescue of paying a home visit.4, to the power requirement height, voltage is low slightly can to break down, and can not treat.5, the maintenance difficult that breaks down, medical personnel can't keep in repair.6, big to water consumption, each treatment needs can finish seance more than 120,000 milliliters.7, the dialysis solution liquid-supplying system is very complicated, and the chance that breaks down is also along with increase.
New type auto hemodialysis filter that the purpose of this utility model is design at the deficiency of existing conventional hemodialysis (CHD) machine a kind of domestic at present, abroad do not have and new automatic working procedure thereof, she is fit to China's national conditions of present stage, can use in all medical institutions.This utility model can be used as blood dialysis ultrafiltration, hemodiafiltration, and pairing hemofiltration dialysis, pure hemofiltration, simple blood ultrafiltration, hemoperfusion, plasmapheresis, blood dialysis ultrafiltration and perfusion carry out etc. simultaneously.Be mainly used in the treatment acute renal failure, chronic kidney hypofunction, early stage, late period, whole latter stage uremia, the multiple organ failure, MOF accompanies renal failure, drug intoxication, toxic poisoning, heroin poisoning, addiction etc.
This utility model is achieved in that this utility model is by the dialysis solution circulation, dialysis solution capacity, the monitoring of dialysis solution urea concentration, the monitoring of filtered solution urea concentration, the monitoring of ultrafiltrate urea concentration, dialysate temperature monitoring device; The extracorporeal circulation of blood device; The paired filtration dialysis device; Dialysis filtration device and computer automatic monitoring supervising device constitute; Of the present utility model being characterised in that:
A. dialysis solution circulation, the dialysis solution capacity, the monitoring of dialysis solution urea concentration, the monitoring of filtered solution urea concentration, the monitoring of dialysis solution urea concentration, dialysate temperature monitoring device is to be connected by the heat junction block (2-1) of thermostat (3) of dialysis solution circulation outlet tube (1) and dialysis solution, dialysis solution heat another junction block (2-2) of thermostat (3) and the dialysis solution circulation pipe (4) and the dialyser that are connected with (2-2), the dialysis-type dialysis filter, the dialysate hole of dialysis filter or filter or paired filtration dialysis device (5) one ends is connected, dialysis solution is from dialyser, the dialysis-type dialysis filter, after the other end dialysate hole of dialysis filter or filter or paired filtration dialysis device (5) is discharged, be connected with dialysis solution circulation pipe (4), dialysis solution circulation pipe (4) continues to move ahead and is connected with dialysis solution pump line (6), the carbamide biosensor (6-1) that joins with it is arranged on the pipeline of dialysis solution circulation pump line (6), driving through dialysis liquid pump (7), attract dialysis solution to continue to proceed to dialysis solution circulation input pipe (8), dialysis solution circulation outlet tube (1) and dialysis solution circulation input pipe (8) are all inserted in the dialysis fluid container (9), dialysis fluid container (10) is standby continued access dialysis solution, dialysis fluid container (9,10) being placed on electronics weight weighing apparatus surveys on the device pressure sensing applicator platform (11), the below of surveying device pressure sensing applicator platform (11) at electronics weight weighing apparatus is pressure transducer (12) and means of electronic transmission (13), means of electronic transmission (13) is surveyed the dialysis fluid container (9 that device pressure transducer (12) is surveyed to electronics weight weighing apparatus, 10) information bidirectional transfers to computer (37), accept the also instruction of object computer (37), constitute the dialysis solution circulation, the dialysis solution capacity, dialysis solution urea concentration and dialysate temperature monitoring checkout gear, Fig. 1, Fig. 2, Fig. 2-1, with Fig. 4 shown be to drive the circulation of dialysis solution circulation dialysis solution with dialysis solution circulating pump (7), the dialysis solution capacity, the dialysis solution urea concentration detects, the filtered solution urea concentration detects, the monitoring of ultrafiltrate urea concentration, the description of dialysate temperature monitoring device; What Fig. 1 and Fig. 1-1 showed is dialysis ultrafiltration and dialysis filtration therapeutic process extracorporeal circulation of blood, the dialysis solution circulation, and the dialysis solution capacity filters ultrafiltration, the connected mode of dialysate temperature monitor controller;
Fig. 2-1, Fig. 3, the another kind that has also shown the dialysis solution circulation pipe connects the loop control mode, that is: to utilize atmospheric pressure, the principle of the centrifugal force and the potential difference that falls, calculate two means of electronic transmission (30-1 and 33-1) of machine (37) control elevator (39) with machine, monitoring capacity monitoring sensor (30 and 33), when full dialyzate bag is hung on the high bit capacity monitor pick off hook (32), empty dialyzate bag is hung on the low bit capacity monitor pick off hook (29), dialysis solution promptly flows into dialyser or filter (5) by the dialysis solution conduit from high-order dialyzate bag, behind outflow dialyser or the filter (5), flows into the low level dialyzate bag again; Empty when high-order dialyzate bag stream, low level dialyzate bag stream is full, and the exchange of following one-period is carried out in the position that the promptly automatic exchange height of elevator (39) is two bags; After reaching predetermined exchange number of times, used dialysis solution is discarded, be replaced with fresh dialysis solution, proceed exchange, treatment time arrives, stop the exchange dialysis solution, stop blood dialysis ultrafiltration or hemodiafiltration treatment, this is that this utility model two cover dialysis solution circulating device another set of resembles the move up and down dialysis solution circulating device of sample of cable car;
B. the extracorporeal circulation of blood device is by extracorporeal circulation of blood ductus arteriosus (14), transfusion short tube (15) is connected with extracorporeal circulation of blood ductus arteriosus (14), blood pump pipe (16) is connected with extracorporeal circulation of blood ductus arteriosus (14), blood pump pipe (16) is housed in blood pump (17), appending calparine pipe (18) is connected with ductus arteriosus (14), heparin syringe (19) with append calparine pipe (18) and be connected, the other end and the dialyser of extracorporeal circulation of blood ductus arteriosus (14), the dialysis-type dialysis filter, the arterial end of dialysis filter or filter or paired filtration dialysis device (5) is connected, dialyser, the dialysis-type dialysis filter, the vein end of dialysis filter or filter or paired filtration dialysis device (5) is connected with extracorporeal circulation of blood venous duct (20), coupled bubble trap (21) is arranged on venous duct, exhaustor (22) and vein pressure pipe (23) are arranged on bubble trap (21), vein pressure pipe (23) is connected with venous pressure monitor and joint (24) under application state, the automatic vascular clamp (25) that bubble trap (21) extracorporeal circulation of blood venous duct (20) is afterwards walked around air monitor continues to move ahead, on extracorporeal circulation of blood venous duct (20), there is blood sampling perforator (26) to constitute extracorporeal blood circulation system, Fig. 1, Fig. 1-1, Fig. 2, Fig. 2-1, Fig. 3 has shown the connected mode of extracorporeal circulation of blood device;
C. the paired filtration dialysis device is by paired filtration dialysis device (5), what link to each other with paired filtration dialysis device (5) filtered solution tap is filtered solution collecting pipe (27), filtered solution collecting pipe (27) is connected with filtered solution collecting bag (28), filtered solution collecting bag (28) is hung on the capacity monitor pick off hook (29), (29) be connected with capacity monitor pick off (30), constitute the filtration fraction of paired filtration dialysis device; Be connected with transfusion short tube (15) on the extracorporeal circulation ductus arteriosus by balance liquid bag (31) and tube for transfusion (31-1), balance liquid bag (31) links to each other with capacity monitor pick off hook (32) with tube for transfusion (31-1), (32) ((33) are connected mutually, constitute the fluid infusion part of dialysis filtration device with capacity monitor pick off; The means of electronic transmission (30-1 and 33-1) of the pick off (33) of pick off of capacity monitor (30) and capacity monitor links to each other with computer cable line socket (37-1), constitute the monitoring device of paired filtration dialysis device fluid infusion part, Fig. 2, Fig. 2-1 has shown the fluid infusion part and the monitoring device of paired filtration dialysis device, Fig. 2-1 has also shown that the connected mode of dialysis solution circulation pipe and filtered solution and ultrafiltrate pipe and elevator (39) make dialyzate bag resemble the cable car sample and move up and down, make dialysis solution circulation work process;
D. the computer monitoring device is by the extracorporeal circulation of blood supervising device; Dialysis solution circularly monitoring device; The dialysate temperature monitoring, filtration, ultrafiltration, amount infused monitoring, the monitoring of dialysis solution urea concentration, filtered solution and the monitoring of ultrafiltrate urea concentration; Complete machine is monitored six parts and is constituted; Automatic control partly comprises: computer (37), blood pump (17), dialysis liquid pump (7), venous pressure monitor (24), gas monitor sonac (36), the thermostat of heating (3), constitute with automatic control frame (47) and elevator (39), install with the split assembly, as shown in Fig. 1-4 main frame;
E. the complete machine device of automatic hemodialysis filter blood cleaning equipment is by the circulation of: dialysis solution, the dialysis solution capacity, the monitoring of dialysis solution urea concentration, the monitoring of filtered solution urea concentration, the monitoring of ultrafiltrate urea concentration, it is to be connected and to be imported dialysis solution by: dialysis solution circulation outlet tube (1) and the dialysis solution thermostat junction block (2-1) of heating that dialysate temperature detects supervising device, dialysis solution is warm through the weighing apparatus of heating in dialysis solution is heated thermostat (3), export dialysis solution circulation pipe (4) to from the heat other end junction block (2-2) of weighing apparatus (3) of dialysis solution, and and dialyser, the dialysis-type dialysis filter, dialysis filter, or the dialysate hole of filter or paired filtration dialysis device (5) one ends is connected, after dialysis solution is discharged from the other end dialysate hole of (5), be connected with dialysis solution circulation pipe (4), dialysis solution circulation pipe (4) moves ahead and is connected with dialysis solution pump line (6), carbamide biosensor (6-1) is arranged on dialysis solution pump line (6), driving through dialysis liquid pump (7), attract dialysis solution to continue to proceed to dialysis solution circulation input pipe (8), dialysis solution circulation outlet tube (1) and dialysis solution circulation input pipe (8) are all inserted in the dialysis fluid container (9), dialysis fluid container (10) is standby continued access dialysis solution, dialysis fluid container (9,10) capacity is one of one of 3500ml and 5500ml, the shape of dialysis fluid container can be a cuboid, it also can be other shape, dialysis fluid container (9,10) being placed on electronics weight weighing apparatus surveys on the device pressure sensing applicator platform (11), the below of surveying device pressure sensing applicator platform (11) at electronics weight weighing apparatus is pressure transducer (12) and means of electronic transmission (13), means of electronic transmission (13) is surveyed the dialysis fluid container (9 that device pressure transducer (12) is surveyed to electronics weight weighing apparatus, 10) information bidirectional transfers to computer (37), accepts the instruction of object computer;
The extracorporeal circulation of blood device that matches with the dialysis solution circulating device is by extracorporeal circulation of blood ductus arteriosus (14), transfusion short tube (15), (15) be connected with (14), blood pump pipe (16) is the part of extracorporeal circulation of blood ductus arteriosus (14), blood pump pipe (16) places between the roller (pearl) and pump case inwall of blood pump (17) pump head, appending calparine pipe (18) is connected with extracorporeal circulation of blood ductus arteriosus (14), heparin syringe (19) with append calparine pipe (18) and be connected, the other end and the dialyser of extracorporeal circulation of blood ductus arteriosus (14), the dialysis-type dialysis filter, dialysis filter, the arterial end of filter or paired filtration dialysis device (5) is connected, what be connected with the vein end of (5) is extracorporeal circulation of blood venous duct (20), on extracorporeal circulation of blood venous duct (20), be equipped with coupled bubble trap (21), on bubble trap (21), be equipped with exhaustor (22) and venous pressure monitoring pipe (23), venous pressure monitoring pipe (23) is connected with venous pressure monitor and joint (24) under application state, the extracorporeal circulation of blood venous duct (20) that bubble trap (21) continues afterwards, automatic vascular clamp (25) through walking around air monitor continues to move ahead, and has blood sampling perforator (26) to constitute the extracorporeal circulation of blood device jointly on extracorporeal circulation of blood venous duct (20);
The paired filtration dialysis device is that the filtered solution tap of an end of filtered solution collecting pipe (27) with paired filtration dialysis device (5) is connected, the other end of filtered solution collecting pipe (27) links to each other with filtered solution collecting bag (28), filtered solution collecting bag (28) can be a macromolecular material, capacity is one of 1000ml or 2000ml, transfusion bag (31) can be macromolecular material or vial, the capacity of each transfusion bag is 500ml, 1000ml, 1500ml, one of 2000ml, filtered solution collecting bag (28) is hung on the hook (29) of capacity monitor pick off (30), capacity monitor pick off (30) is collected, transmitted in both directions constitutes the paired filtration dialysis device from the information of filtered solution collecting bag (28) and computer (37); Be connected with transfusion short tube (15) on the extracorporeal circulation of blood ductus arteriosus with balance liquid bag (31) and tube for transfusion (31-1), balance liquid bag (31) and tube for transfusion (31-1) are hung on the hook (32) of capacity monitor, capacity monitor (33) links to each other with computer cable line socket (37-1) by electric transmission system (33-1), constitutes the supervising device of paired filtration dialysis device;
Dialysis liquid pump display screen (36) is positioned at the below of computer (37), with computer (37) monitoring device be an integral body, another supervising device of dialysis solution circulation is by elevator (39), reversible electric machine (40), what be connected mutually with reversible electric machine (40) is travelling gear (41), travelling gear (41) is connected mutually with affecting chain (42), affecting chain (42) and to break away draws wheel (43-1) to be connected mutually, affect chain (44) and another sideslip to draw wheel (43-2) to be connected mutually, complete machine has adnexa infusion support (45), chassis (46), chassis (46) are connected mutually with automatic control frame (47), and automatic control frame (47) is connected mutually with complete machine steering wheel (48);
The dialysis solution thermostat (3) of heating, by external device (ED) (49), dialysis solution circulation pipe (50), heating member (51) and switch are regulated heating-up temperature display part (52) and are constituted, Fig. 1, Fig. 2, Fig. 2-1, Fig. 3, shown is the complete machine device of automatic hemodialysis filter; Fig. 4 shows is part parts after complete machine splits.
This utility model can also be achieved in that the dialysis solution liquid feed device is to be made of dialysis liquid pump (7) and elevator (39) two cover liquid feed devices, under the situation that electricity is arranged, both available dialysis liquid pump (7) liquid feed device, also available elevator (39) dialysis solution circulating device, under situation about having a power failure suddenly, can utilize the liquid bag hook (29 of elevator (39), 32) carry out manual operations and change dialyzate bag, hand-turning blood pump drives extracorporeal circulation of blood, continue to keep treatment, what Fig. 1-1 was shown is unexpected power failure, cut off the water or the rescue situation of going out under duty.
This utility model can also be achieved in that automatic hemodialysis filter, it is characterized in that: automatic control partly comprises: computer (37), blood pump (17), dialysis liquid pump (7), venous pressure monitor (24), the gas monitor pick off (36) that rises to the Western Paradise, the thermostat (3) of heating) install with the method manufacturing of split assembling with automatic control frame (47) and elevator (39): the automatic control part can be separated use separately with elevator (39), also can fit together in indoor use, Fig. 1-1 is shown is the state of main frame when separating use separately with elevator (39) with dialysis liquid pump (7).
This utility model can also be achieved in that its feature of automatic hemodialysis filter is that also dialysis fluid container (9,10) can be a macromolecular material, non-toxic polyvinyl chloride, polypropylene plastics, Merlon etc., also can be stainless steel material, the capacity of dialysis fluid container (9,10) be one of one of 3500ml and 5500ml.The shape of dialysis fluid container can be long cube, also can be other shape.Filtered solution collecting bag (28) and transfusion bag (31) can be macromolecular materials, also can be vials, and capacity is 500ml, 1000ml, 1500ml, one of 2000ml.Filtered solution collecting pipe (27) and liquid supplementation pipe (31-1) they can be macromolecular materials, comprising: plastics, and medical grade silicon rubber or medical latex tube, as Fig. 1, Fig. 2, Fig. 2-1, Fig. 3, Fig. 4 is shown.
This utility model can also be achieved in that its feature of automatic hemodialysis filter liquid pump (7) that also is to dialyse can be roller (pearl) pump, also can be centrifugal pump, can also be gear pump or vane pump, as Fig. 1, and Fig. 2, Fig. 2-1, Fig. 3, Fig. 4 is shown.
Feature of the present utility model also is: filtered solution, dialysis solution, ultrafiltrate urea concentration monitoring device is to be finished by carbamide biosensor (6-1) and computer (37), when need detect the urea concentration of filtered solution and/or ultrafiltrate, temporarily dialysis fluid container (9 is proposed dialysis solution circulation outlet tube (1), 10) outside, or with clamp clamps dialysis solution circulation outlet tube (1), dialysis solution flowed out and ended this moment, have only filtered solution and/or ultrafiltrate to flow out to carbamide biosensor (6-1) by dialysis solution circulation pipe (6), the biological device (6-1) that passes of carbamide reaches computer (37) to the information of being monitored, computer (37) as calculated and demonstrate the concentration of carbamide in filtered solution and/or the ultrafiltrate, if carry out the monitoring of dialysis solution urea concentration, only needing to open urea concentration biosensor monitoring device gets final product, for determining that further the treatment time and the monitoring state of an illness provide the dynamic experiment foundation, as shown in Fig. 4.
Below in conjunction with accompanying drawing this utility model is further described:
1-dialysis solution circulation outlet tube among Fig. 1 and the 2-1 dialysis solution thermostat input pipe joint of heating is connected and imports dialysis solution to the 3-dialysis solution thermostat of heating, the dialysis solution of weighing apparatus after the temperature heated the joint output dialysis solution of thermostat outlet tube to 4-dialysis solution circulation pipe from the 2-2 dialysis solution through heating, and with the 5-dialyser, the dialysis-type dialysis filter, the dialysate hole of dialysis filter or filter or paired filtration dialysis device one end is connected, dialysis solution is from the 5-dialyser, the dialysis-type dialysis filter, after the other end dialysate hole of dialysis filter or paired filtration dialysis device is discharged, be connected with 4-dialysis solution circulation pipe again, 4-dialysis solution circulation pipe moves ahead and is connected with 6-dialysis solution pump line, driving through 7-dialysis liquid pump, attract dialysis solution to continue to proceed to 8-dialysis solution circulation input pipe, 1-dialysis solution circulation outlet tube and 8-dialysis solution circulation input pipe are all inserted in the 9-dialysis fluid container, the 10-dialysis fluid container is standby continued access dialysis solution, 9, the 10-dialysis fluid container, being placed on 11-electronics weight weighing apparatus surveys on the device pressure sensing applicator platform, below 11-electronics weight weighing apparatus survey device pressure sensing applicator platform is 12-pressure transducer and 13-means of electronic transmission, the 13-means of electronic transmission electronics weight weighing apparatus survey that device 12-pressure transducer surveyed 9, the weight information transmitted in both directions of 10-dialysis fluid container is to the 37-computer, accept and carry out the instruction of 37-computer, constitute the dialysis solution circulation of automatic hemodialysis filter, dialysis solution capacity and dialysate temperature supervising device;
14-extracorporeal circulation ductus arteriosus shown in Fig. 1, on 14-extracorporeal circulation ductus arteriosus, be combined with 15-transfusion short tube, 16-blood pump pipe is connected with 14-extracorporeal circulation ductus arteriosus, 16-blood pump pipe is housed in the 17-blood pump, 18-appends calparine pipe and is connected with 14-extracorporeal circulation ductus arteriosus, 19-heparin syringe appends calparine pipe with 18-and is connected, the other end of 14-extracorporeal circulation ductus arteriosus and 5-dialyser, the dialysis-type dialysis filter, the arterial end of dialysis filter or filter or paired filtration dialysis device is connected, the 5-dialyser, the dialysis-type dialysis filter, the vein end of dialysis filter or filter or paired filtration dialysis device is connected with 20-extracorporeal circulation venous duct, coupled 21-bubble trap is arranged on 20-extracorporeal circulation venous duct, 22-exhaustor and 23-vein pressure pipe are arranged on the 21-bubble trap, 23-vein pressure pipe is connected with 24-venous pressure monitor and joint under application state, the automatic vascular clamp that 20-vein pressure pipe after the 21-bubble trap is walked around the 25-air monitor continues to move ahead, and has 26-blood sampling perforator to constitute the extracorporeal circulation of blood device of automatic hemodialysis filter on the 20-venous duct;
5-paired filtration dialysis device among Fig. 2 and Fig. 2-1, what link to each other with the filtered solution tap of 5-paired filtration dialysis device is 27-filtered solution collecting pipe, 27-filtered solution collecting pipe is connected with 28-filtered solution collecting bag, what link to each other with 28-filtered solution collecting bag is 29-capacity monitor pick off hook, 29-capacity monitor pick off hook combines with 30-capacity monitor pick off and constitutes the filtration fraction of paired filtration dialysis device: be connected by 31-balance liquid bag and 31-1 tube for transfusion and 15-on the 14-extracorporeal circulation ductus arteriosus short tube of infusing, 31-balance liquid bag and 31-1 tube for transfusion and 32-capacity monitor hook joins and 33-capacity monitor pick off constitutes the supervising device of paired filtration dialysis device liquid supply device together; 30-1 among Fig. 3 and 33-1 are the means of electronic transmission of 30 among Fig. 2 and Fig. 2-1 and 33-capacity monitoring sensor, link to each other with 37-1 computer cable line socket, constitute the paired filtration dialysis device jointly;
Shown 34-startup power supply among Fig. 3, combine with 37-1-computer cable line socket, 35-blood pump display screen, 36-gas monitor sonac links to each other with the automatic vascular clamp circuit of 21-bubble trap and 25-air monitor, the 37-computer, 38-dialysis liquid pump display screen, 39-elevator, 40-reversible electric machine, combine with the 41-transmitting gear, affect at 42-under the affecting of chain, the sliding wheel that draws of 43-is moved up and down, under the affecting of offside 44-stainless steel wire rope, making to slide draws wheel steadily to move up and down, 45-complete machine adnexa infusion support, the 46-chassis combines with 47-automatic control frame, and 48-complete machine steering wheel has combined under the 47-automatic control frame.
49-dialysis solution among Fig. 4 thermostat external device (ED) of heating, the 50-dialysis solution circulation pipe among the 49-place the heat medium (water) of thermostat of 3-dialysis solution, 51-heating member, 52-dialysis solution heat thermostat switch and display part.
Fig. 5, Fig. 1, shown computer monitoring device, the extracorporeal circulation of blood device is to be communicated with the energising of 17-blood pump by the 34-startup power supply, can show rotating speed, flow at 35-blood pump display screen after starting the 17-blood pump, and can adjust rotating speed and flow at 17-blood pump adjusting knob as required; 24-venous pressure monitor continuous monitoring venous pressure high and low, when venous pressure is too high or too low when meeting or exceeding threshold values, the 37-computer promptly instructs reports to the police immediately, instruct the stall of 17-blood pump simultaneously, after getting rid of the vein abnormal conditions, the 17-blood pump can recover to rotate, and proceeds treatment; When entering air, the 21-bubble trap reaches the critical horizontal plane, 36-gas monitor sonac is found out immediately, information is imported into the 37-computer, the stall of 37-computer immediate instruction 17-blood pump, instruct the automatic vascular clamp clamp of the 25-20-venous duct of 36-gas monitor simultaneously, prevent that gas from entering in patient's body, when getting rid of bubble, the rotation that recovers the 17-blood pump again from the 22-exhaustor;
Fig. 5, Fig. 1, shown computer monitoring device, the dialysis solution circulation, dialysate temperature, ultrafiltration and filtration liquid supply device are after starting power initiation by 34-, be communicated with the energising of 7-dialysis liquid pump, after starting, 7-dialysis liquid pump promptly shows rotating speed at 38-dialysis liquid pump display screen, flow, and can adjust rotating speed and flow at the 7-1 adjusting knob of 7-dialysis liquid pump as required: on the screen of 37-computer, show C ° of dialysate temperature simultaneously, if dialysate temperature is crossed low or too high, be below or above predetermined temperature value, the 37-computer is reported to the police immediately, 7-dialysis liquid pump can not start or stall, it is normal that dialysate temperature recovers, 7-dialysis liquid pump can start or recover rotation: when 9, when the 10-dialysis fluid container is placed on the 11-electronics weight weighing apparatus survey device pressure sensing applicator platform, the 12-pressure transducer promptly imports information into the 37-computer, and 37 computers are promptly continuously calculated the dialysis liquid measure and shown with the milliliter digital display; Treatment beginning 37-computer promptly writes down treatment time automatically, and with a minute expression, the dialysis solution total amount used in record simultaneously, ultrafiltration volume in the unit interval, and the ultrafiltration total amount, the filtration total amount is used the liquid total amount; Calculate continuously by the 37-computer and to judge that ultrafiltration volume, filtrable volume exceed standard? if ultrafiltration volume or filtrable volume surpass the milliliter number of desired indicator, promptly show the milliliter number of answering the fluid infusion total amount on the 37-computer screen, alarm needs the milliliter number of actual amount infused simultaneously;
Fig. 1, Fig. 2, Fig. 2-1, Fig. 3, circulate another monitoring supervising device and control sequence of Fig. 5-shown dialysis solution is to be carried out under the monitoring of 37-computer by the 39-elevator, start power supply, the energising of 39-elevator, when completely the liquid bag hangs over high-order 32-capacity monitor pick off hook and hangs over empty liquid bag on the low level 29-capacity monitor pick off hook No. 1, the 37-computer is promptly measured the milliliter number of No. 1 fresh dialysis fluid automatically, dialysis solution is from No. 1 high position, flow into 5-dialyser or filter, flow out 5-dialyser or filter, flow into low level liquid bag No. 2, does the 37-computer judge that No. 1 liquid bag flows sky? if, the 39-elevator is rotated the 41-transmitting gear by the 40-reversible electric machine, drive 42-and affect chain, affect 43-1 and the sliding wheel that draws of 43-2-by the 42-chain again, the offside of chain is the 44-stainless steel wire rope, draw 43-1 and 43-2 from the negative, to stablize the sliding wheel that draws of 43-1 and 43-2 automatically along clockwise upset exchange 1, No. 2 liquid bags, weight sensor (33,30) position, the number of times of record exchange simultaneously 1 time, show dialysate flow, fluid volume adds up, each ultrafiltration volume, the ultrafiltration total amount filters total amount and should replenish liquid measure, if ultrafiltration volume is or/and filtrable volume surpasses predetermined target value, the 37-computer is reported to the police automatically and is shown that the milliliter number of answering the fluid infusion total amount is on screen, is the 37-computer judged predetermined inferior the counting to not that exchange? if be less than, continue the upset exchange, if arrive, stop upset, notify from a phone call to change fresh dialysis solution, change fresh dialysis solution after, proceed the exchange of following one-period; If have a power failure suddenly, the 37-computer is reported to the police automatically, notifies from a phone call artificial exchange dialysis solution, if treatment time arrives the order fulfillment treatment:
Fig. 1, Fig. 2, Fig. 2-1, Fig. 3, Fig. 4, the shown single unit system monitoring of Fig. 5 pass through to start power supply by the 37-computer, be communicated with 7-dialysis liquid pump, the 17-blood pump, with the 39-elevator, monitor three partial devices simultaneously, the extracorporeal circulation of blood device arrives the high and low of 37-computer monitoring venous pressure by ultrasonic monitor key monitoring 21-bubble trap by 24-venous pressure monitor and joint transmission information; The monitoring of dialysis solution circulating device has two, and 1 is the dialysis solution circulating device that is driven by 7-dialysis liquid pump, arrives the 37-computer by 12-pressure transducer transmission information, key monitoring dialysis solution total amount, dialysis fluid volume, ultrafiltration volume, filtrable volume needs amount infused and real amount infused; Another dialysis solution circulating device is the dialysis solution circulating device that is driven by the 39-elevator, emphasis monitoring dialysis solution total amount, and the dialysis fluid volume, ultrafiltration volume, filtrable volume needs amount infused and real amount infused; By heat indirectly weighing apparatus temperature of the dialysis solution in the thermostat dialysis solution circulation pipe that 3-is heated, outside the dialysis solution circulation pipe in 3-heats thermostat, the 51-heating member is arranged and the WATER AS FLOW MEDIUM of heating, the dialysis solution circulation pipe is immersed in the WATER AS FLOW MEDIUM of the thermostat of heating, both can reach the purpose of the weighing apparatus temperature of heating, the cleaning that can keep the dialysis solution circulation pipe inner chamber in the WATER AS FLOW MEDIUM again, under the situation of not treating, with resistant to elevated temperatures 9, the 10-dialysis fluid container, regularly WATER AS FLOW MEDIUM is warmed to 98 ℃, can reach the purpose of sterilization, make the dialysis solution circulation pipe intracavity in the thermostat of heating keep aseptic environments; Under the situation of treatment, by the 37-computer, monitoring 51-heating member, when dialysate temperature was lower than threshold values, the 51-heating member heated automatically, and when dialysate temperature met or exceeded threshold values, the 51-heating member stopped heating, but keeps dialysate temperature in the scope of application;
Two shown cover dialysis solution liquid feed devices of Fig. 1-4 are to be made of 7-dialysis liquid pump and 39-elevator, under the situation that electricity is arranged, both available 7-dialysis liquid pump liquid feed device, also available 39-elevator dialysis solution circulating device feed flow, under situation about having a power failure, 29 and the 32-dialyzate bag hook of available 39-elevator carries out manual operations, continues to keep treatment;
Shown its feature of automatic hemodialysis filter of Fig. 1 also is: the automatic control part; Comprise: 37-computer, 17-blood pump, the 7-liquid pump of dialysing, 24-venous pressure monitor, 36-gas monitor sonac, the 3-thermostat of heating, adopt the method manufacturing of split assembling to install with 47-automatic control frame and 39-elevator; The automatic control host machine part can be separated independent use with the 39-elevator, also can fit together in indoor use;
Fig. 1-4 shown 9, the 10-dialysis fluid container can be a macromolecular material, non-toxic polyvinyl chloride, polypropylene plastics, Merlon, polyester polyether sulfones etc. also can be stainless steel materials, 9, the capacity of 10-dialysis fluid container is one of 3500ml and 5500ml.The shape of dialysis fluid container can be long cube, also can be other shape.28-filtered solution collecting bag and 31-transfusion bag can be macromolecular materials, also can be vials, capacity 500ml, 1000ml, 1500ml, one of 2000ml.27-filtered solution collecting pipe and 31-liquid supplementation pipe can be macromolecular materials, comprising: plastics, medical grade silicon rubber or medical latex tube;
7-dialysis liquid pump shown in Fig. 1-4 can be roller (pearl) pump, also can be centrifugal pump, can also be gear pump or vane pump.The functional effect feature of pump is can keep dialysate flow at the 10-1000ml/ per minute;
6-1-carbamide biosensor shown in Figure 4 has urea concentration biological detection function, work as dialysis solution, when filtered solution and/or ultrafiltrate pass through 6-1-carbamide biosensor, 6-1-carbamide biosensor passes the urea concentration information in filtered solution and ultrafiltrate and the dialysis solution to the 37-computer, the 37-computer can be dialysis solution, and the urea concentration information analysis of filtered solution and ultrafiltrate is shown on the screen.In the time need in therapeutic process, detecting the urea concentration of filtered solution and ultrafiltrate so that judge blood urea concentration indirectly, propose 9 or 10-dialysis fluid container or with clamp clamps 1-dialysis solution outlet tube 1-dialysis solution circulation pipe is temporary transient, at this moment promptly temporary no dialysis solution is by 5-dialysis-type dialysis filter, dialysis filter, the filterable form dialysis filter, dialyser, filter, filtered solution of being measured and/or the urea concentration in the ultrafiltrate, can judge the urea concentration in the blood indirectly, realize the automatic dynamic monitoring function of urea concentration biosensor, provide the dynamic experiment foundation for determining the further treatment time and the monitoring state of an illness.
The good effect that this utility model is compared with prior art possessed mainly contains following aspect: (1) has greatly simplified the somewhat complex design of traditional haemodialysis control unit, widely applicable, because what this automatic hemodialysis filter adopted is technology with Chinese characteristics, independent design, domestic processing, belong to new high-tech product, but manufacturing cost is relatively low, so the utlity model has widely applicable characteristics; (2) this product is the hemodialysis filtering therapy, but has exempted water treatment system, because of water consumption does not resemble conventional hemo system and the paired filtration dialysis machine manyly, so prepare dialysis solution with aquae destillata, can satisfy the demand; (3) this product does not rely on the water source, under the situation of cutting off the water suddenly, still can treat normally, and this is all conventional hemo systems in present home and abroad and the not available advantage of paired filtration dialysis machine; (4) this product has two cover dialysis solution liquid-supplying systems, and automatic system and manual system even have a power failure suddenly in treatment, are cut off the water, and also can finish the hemodialysis filtering therapy as usual; 5) this product adopts the method manufacturing of split assembling, can install and use indoor, and also separable automatic control part and elevator part are carried automatic control part main frame outward outside separately and examined rescue; (6) design of dialysis solution liquid feed device is ingenious, and medical personnel can keep in repair when being out of order voluntarily; (7) this product is not high to environmental requirement, is adapted at treating in the multiple environment; (8) price is cheaper, respond well than conventional import hemo system and paired filtration dialysis machine, and domestic medical institutions and patient can both be accepted; (9) machine volume is little, uses floor space little, the treatment place of arranging complete machine easily; (10) structure is simple and direct, easily learning and mastering; (11) the used consumable goods of this product can be the dialyser of present prior art, filter, paired filtration dialysis device; Also can be the dialysis-type dialysis filter, dialysis filter and filterable form dialysis filter; Can also be blood perfusion device, plasma separator except that carrying out hemofiltration dialysis and blood dialysis ultrafiltration, also can carry out hemoperfusion and replacement therapy of blood plasma.The used manufactured materials wide material sources of this product, low price is made easily.
Realize that best way of the present utility model is: according to shown in Figure 1, the main accessory that needs to prepare has: 1, roller pump is two, does blood pump (17) for one, and another makees dialysis liquid pump (7), makees the motor of dialysis liquid pump (7) and wants suitable heavy-duty motor; 2, computer (37) is the single-chip microcomputer by the design of this product computer programme flow diagram; 3, the dialysis solution thermostat (3) of heating is processed according to shown in Figure 4; 4, dialysis fluid container (9,10) carries out processing and manufacturing by shown in Fig. 1-4; 5, elevator (39) external device (ED), reversible electric machine (40), transmitting gear (41) affects chain (42), sliding wheel (43-1 and 43-2), stainless steel wire rope (44), the infusion support (45) of drawing, chassis (46), automatic control frame (47), steering wheel (48) is purchased respectively and is carried out machined; 6, dialyser, filter, paired filtration dialysis device, the dialysis-type dialysis filter, filter, the filterable form dialysis filter, arterio-venous catheter can be purchased; The accessory by specification is prepared shown in other figure.The accessory equipment of being prepared is assembled shown in Fig. 1-4, can manufacture automatic hemodialysis filter.

Claims (3)

1, a kind of automatic hemodialysis filter, this utility model are by the dialysis solution circulation, dialysis solution capacity, the monitoring of filtered solution urea concentration, the monitoring of dialysis solution urea concentration, the monitoring of ultrafiltrate urea concentration, dialysate temperature monitoring device; The extracorporeal circulation of blood device; The paired filtration dialysis device; A kind of blood cleaning equipment that dialysis filtration device and computer automatic monitoring supervising device constitute, of the present utility model being characterised in that:
A. dialysis solution circulation, the dialysis solution capacity, the dialysis solution urea concentration detects, the monitoring of filtered solution urea concentration, the monitoring of ultrafiltrate urea concentration, dialysate temperature monitoring device is to be connected by the heat junction block (2-1) of thermostat (3) of dialysis solution circulation outlet tube (1) and dialysis solution, dialysis solution heat another junction block (2-2) of thermostat (3) and the dialysis solution circulation pipe (4) and the dialyser that are connected with (2-2), the dialysis-type dialysis filter, the dialysate hole of dialysis filter or filter or paired filtration dialysis device (5) one ends is connected, dialysis solution circulation pipe (4) moves ahead and is connected with dialysis solution pump line (6), carbamide biosensor (6-1) is arranged on dialysis solution pump line (6), dialysis solution circulation outlet tube (1) and dialysis solution circulation input pipe (8) are all inserted in the dialysis fluid container (9), dialysis fluid container (9,10) be placed on electronics weight weighing apparatus and survey on the device pressure sensing applicator platform (11), the below of surveying device pressure sensing applicator platform (11) at electronics weight weighing apparatus is pressure transducer (12) and means of electronic transmission (13); Dialysis solution liquid feed device of the present utility model is to drive liquid feed device by dialysis liquid pump (7) and elevator (39) two covers to constitute;
B. the extracorporeal circulation of blood device is by ductus arteriosus (14), transfusion short tube (15) is connected with ductus arteriosus (14), blood pump pipe (16) is connected with ductus arteriosus (14), blood pump pipe (16) is housed in blood pump (17), appending calparine pipe (18) is connected with ductus arteriosus (14), heparin syringe (19) with append calparine pipe (18) and be connected, the other end and the dialyser of ductus arteriosus (14), the dialysis-type dialysis filter, the arterial end of dialysis filter or filter or pairing dialysis filter (5) is connected, dialyser, the dialysis-type dialysis filter, the vein end of filter or dialysis filter or pairing dialysis filter (5) is connected with venous duct (20), coupled bubble trap (21) is arranged on venous duct, exhaustor (22) and vein pressure pipe (23) are arranged on bubble trap (21), vein pressure pipe (23) is connected with venous pressure monitor and joint (24) under application state, be positioned at bubble trap (21) venous duct (20) afterwards through walking around the automatic vascular clamp (25) of air monitor, blood sampling perforator (26) is arranged on venous duct (20), constitute the extracorporeal circulation of blood device;
C. the paired filtration dialysis device is by paired filtration dialysis device (5), what link to each other with the filtered solution tap of paired filtration dialysis device (5) is filtered solution collecting pipe (27), filtered solution collecting pipe (27) is connected with filtered solution collecting bag (28), and capacity monitor pick off hook (29) that links to each other with filtered solution collecting bag (28) and capacity monitor pick off (30) constitute the filtration fraction of paired filtration dialysis device; Be connected with transfusion short tube (15) on the ductus arteriosus by balance liquid bag (31) and tube for transfusion (31-1), balance liquid bag (31) and tube for transfusion (31-1) and capacity monitor pick off hook (32) link to each other and the fluid infusion part of capacity monitor pick off (33) formation paired filtration dialysis device; The means of electronic transmission (30-1 and 33-1) of capacity monitor pick off (30) and capacity monitor pick off (33) links to each other with computer cable line socket (37-1), constitutes the monitoring device of paired filtration dialysis device fluid infusion part;
D. the computer monitoring device is by (1) extracorporeal circulation of blood supervising device; (2) dialysis solution circularly monitoring device; (3) dialysate temperature supervising device; (4) filtration, ultrafiltration, amount infused supervising device; (5) dialysis solution, filtration, ultrafiltrate urea concentration monitoring device; (6) system monitoring device six parts constitute; Automatic control partly comprises: computer (37), and blood pump (17), dialysis liquid pump (7), venous pressure monitor (24), gas monitor sonac (36), the thermostat of heating (3) is installed with the split assembly with automatic control frame (47) and elevator (39).
2, the described automatic hemodialysis filter of root a tree name claim 1, its feature also is: dialysis fluid container (9,10) can be macromolecular material such as vinyon, non-toxic polyvinyl chloride, polypropylene plastics, Merlon etc., also can be stainless steel material, the capacity of dialysis fluid container (9,10) be one of one of 3500ml and 5500ml; The shape of dialysis fluid container can be long cube, also can be other shape; Filtered solution collecting bag (28) and transfusion bag (31) can be macromolecular materials, and capacity is 500ml, 1000ml, 1500ml, one of 2000ml; Filtered solution collecting pipe (27) and liquid supplementation pipe (31-1) can be macromolecular materials, comprising: plastics, medical grade silicon rubber or medical latex.
3, its feature of the described automatic hemodialysis filter of root a tree name claim 1 also is: dialysis liquid pump (7) can be roller (pearl) pump, also can be centrifugal pump, can also be negative-pressure vacuum pump, gear pump or vane pump.
CN 98229503 1998-09-11 1998-09-11 Automatic blood dialyser Expired - Fee Related CN2386827Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98229503 CN2386827Y (en) 1998-09-11 1998-09-11 Automatic blood dialyser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98229503 CN2386827Y (en) 1998-09-11 1998-09-11 Automatic blood dialyser

Publications (1)

Publication Number Publication Date
CN2386827Y true CN2386827Y (en) 2000-07-12

Family

ID=33979386

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98229503 Expired - Fee Related CN2386827Y (en) 1998-09-11 1998-09-11 Automatic blood dialyser

Country Status (1)

Country Link
CN (1) CN2386827Y (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005097231A1 (en) * 2004-04-06 2005-10-20 Shanghai Jiangxia Blood Technology Co., Ltd. Extra-corporeal filter apparatus for removing lipids from plasma
CN100579590C (en) * 2003-02-07 2010-01-13 甘布罗伦迪亚股份公司 Support element for integrated blood treatment module
CN1593677B (en) * 2004-07-15 2010-04-28 华南理工大学 Full-automatic intelligent peritoneal dialysis instrument for renal failure
CN105561414A (en) * 2015-12-10 2016-05-11 威海威高血液净化制品有限公司 Portable blood purification apparatus
CN106908410A (en) * 2017-04-26 2017-06-30 上海健康医学院 Creatinine content on-line monitoring method and system in a kind of hemodialysis blood
CN106918573A (en) * 2017-04-26 2017-07-04 上海健康医学院 Creatinine content on-line monitoring method and system in a kind of hemodialysis dialyzate
CN106970043A (en) * 2017-04-26 2017-07-21 上海健康医学院 Urea nitrogen content on-line monitoring method and system in a kind of hemodialysis dialyzate
US10722631B2 (en) 2018-02-01 2020-07-28 Shifamed Holdings, Llc Intravascular blood pumps and methods of use and manufacture
US11185677B2 (en) 2017-06-07 2021-11-30 Shifamed Holdings, Llc Intravascular fluid movement devices, systems, and methods of use
CN114051418A (en) * 2019-06-26 2022-02-15 日机装株式会社 Blood purification system and solution preparation determination device
US11511103B2 (en) 2017-11-13 2022-11-29 Shifamed Holdings, Llc Intravascular fluid movement devices, systems, and methods of use
US11654275B2 (en) 2019-07-22 2023-05-23 Shifamed Holdings, Llc Intravascular blood pumps with struts and methods of use and manufacture
US11724089B2 (en) 2019-09-25 2023-08-15 Shifamed Holdings, Llc Intravascular blood pump systems and methods of use and control thereof
US11964145B2 (en) 2020-07-13 2024-04-23 Shifamed Holdings, Llc Intravascular blood pumps and methods of manufacture and use

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100579590C (en) * 2003-02-07 2010-01-13 甘布罗伦迪亚股份公司 Support element for integrated blood treatment module
WO2005097231A1 (en) * 2004-04-06 2005-10-20 Shanghai Jiangxia Blood Technology Co., Ltd. Extra-corporeal filter apparatus for removing lipids from plasma
CN1593677B (en) * 2004-07-15 2010-04-28 华南理工大学 Full-automatic intelligent peritoneal dialysis instrument for renal failure
CN105561414A (en) * 2015-12-10 2016-05-11 威海威高血液净化制品有限公司 Portable blood purification apparatus
CN106918573B (en) * 2017-04-26 2023-06-13 上海健康医学院 Online monitoring method and system for creatinine content in hemodialysis dialysate
CN106908410A (en) * 2017-04-26 2017-06-30 上海健康医学院 Creatinine content on-line monitoring method and system in a kind of hemodialysis blood
CN106918573A (en) * 2017-04-26 2017-07-04 上海健康医学院 Creatinine content on-line monitoring method and system in a kind of hemodialysis dialyzate
CN106970043A (en) * 2017-04-26 2017-07-21 上海健康医学院 Urea nitrogen content on-line monitoring method and system in a kind of hemodialysis dialyzate
CN106908410B (en) * 2017-04-26 2023-11-14 上海健康医学院 Online monitoring method and system for creatinine content in hemodialysis blood
CN106970043B (en) * 2017-04-26 2023-08-11 上海健康医学院 Online monitoring method and system for urea nitrogen content in hemodialysis dialysate
US11185677B2 (en) 2017-06-07 2021-11-30 Shifamed Holdings, Llc Intravascular fluid movement devices, systems, and methods of use
US11717670B2 (en) 2017-06-07 2023-08-08 Shifamed Holdings, LLP Intravascular fluid movement devices, systems, and methods of use
US11511103B2 (en) 2017-11-13 2022-11-29 Shifamed Holdings, Llc Intravascular fluid movement devices, systems, and methods of use
US11229784B2 (en) 2018-02-01 2022-01-25 Shifamed Holdings, Llc Intravascular blood pumps and methods of use and manufacture
US10722631B2 (en) 2018-02-01 2020-07-28 Shifamed Holdings, Llc Intravascular blood pumps and methods of use and manufacture
CN114051418A (en) * 2019-06-26 2022-02-15 日机装株式会社 Blood purification system and solution preparation determination device
US11654275B2 (en) 2019-07-22 2023-05-23 Shifamed Holdings, Llc Intravascular blood pumps with struts and methods of use and manufacture
US11724089B2 (en) 2019-09-25 2023-08-15 Shifamed Holdings, Llc Intravascular blood pump systems and methods of use and control thereof
US11964145B2 (en) 2020-07-13 2024-04-23 Shifamed Holdings, Llc Intravascular blood pumps and methods of manufacture and use

Similar Documents

Publication Publication Date Title
CN1235849A (en) Automatic hemodialysis filter
CN2386827Y (en) Automatic blood dialyser
CN102389594B (en) Portable blood purifying system
USRE38869E1 (en) Extracorporeal circuit for peripheral vein fluid removal
US4209392A (en) Portable hepatic-assist method and apparatus for same
CN100486651C (en) Multiple organ dysfunction support system
CN101269246B (en) Continuous blood cleaning equipment with replacement liquid purifier
US20090120864A1 (en) Wearable dialysis methods and devices
CN201026321Y (en) Artificial liver nephros support system
EP0114698B1 (en) Process and apparatus for obtaining blood plasma
CN100493633C (en) Artificial system for supporting liver and kidney
CN2905076Y (en) Hemodiafiltration machine
CN1879901A (en) Multifunctional easily-transportable artificial kidney
CN2440518Y (en) Medical blood perfusion detoxic instrument
CN209900240U (en) Wearable filtering type artificial kidney device
CN201186074Y (en) Continuous blood purifying equipment with substitute fluid purifier
CN202207346U (en) Portable blood purifying system
CN1105581C (en) Automatic hemo-dialyser
CN1121879C (en) Apparatus for supporting life
CN1245223C (en) Medical blood filtering machine
CN201026322Y (en) Multiple organ functions support system
CN202637577U (en) Bedside continuous hemodiafiltration device
Ronco Machines for continuous renal replacement therapy
CN210750527U (en) System for indirectly monitoring level of extracorporeal circulation ionized calcium
CN209075635U (en) Citrate anticoagulation device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee