CN101829371A - Hemodialysis system - Google Patents
Hemodialysis system Download PDFInfo
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- CN101829371A CN101829371A CN201010178112A CN201010178112A CN101829371A CN 101829371 A CN101829371 A CN 101829371A CN 201010178112 A CN201010178112 A CN 201010178112A CN 201010178112 A CN201010178112 A CN 201010178112A CN 101829371 A CN101829371 A CN 101829371A
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- pipeline
- control circuit
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- 238000001631 haemodialysis Methods 0.000 title claims abstract description 16
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000000385 dialysis solution Substances 0.000 claims description 43
- 239000002699 waste material Substances 0.000 claims description 43
- 238000000108 ultra-filtration Methods 0.000 claims description 37
- 239000012141 concentrate Substances 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 16
- 229910052729 chemical element Inorganic materials 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 15
- 238000012806 monitoring device Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 abstract 3
- 238000001223 reverse osmosis Methods 0.000 description 14
- 238000007872 degassing Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 208000001889 Acid-Base Imbalance Diseases 0.000 description 1
- 206010014418 Electrolyte imbalance Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
-
- 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
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
- A61M1/1658—Degasification
-
- 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
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
- A61M1/1668—Details of containers
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Urology & Nephrology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Emergency Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to a hemodialysis system. In the hemodialysis system, a water supply end joint is connected with a liquid inlet joint of a water inlet pot, and a liquid outlet joint of the water inlet pot is connected with an inlet of a throttling member; the outlet of the throttling member is connected with the inlet of a first gear pump, the outlet of the first gear pump is connected with a heater in series and then connected with a liquid inlet joint of a separation pot, and a first liquid outlet joint of the separation pot is connected with a backflow joint of the water inlet pot; a second liquid outlet joint of the separation pot is connected with a first end of a first three-way pipe, and a second end of the first three-way pipe is connected with a concentrated solution pump A in series and then connected with a concentrated solution joint A; a third end of the first three-way pipe is connected with a first end of a second three-way pipe; a second end of the second three-way pipe is connected with a concentrated solution pump B in series and then connected with a concentrated solution joint B; and a third end of the second three-way pipe is connected with an electrical conductance monitor in series and then connected with a dialysate inlet joint of a capacity balancing and ultrafiltering device. In the hemodialysis system, the rotating speed of the gear pump is easy to control, and the operation noise is lower; the waterway operation pressure of the whole system is lower; and the service life of waterway parts is longer.
Description
Technical field
The present invention relates to a kind of armarium, particularly hemodialysis system.
Background technology
Hemodialysis (HD) is one of the most widely used therapeutic modality in blood purification field.Hemodialysis utilizes disperse and ultrafiltration principle that patient's blood, dialysis solution are introduced dialyser simultaneously, both sides are reverse flow inside and outside dialyzer, solute concentration gradient, osmotic gradient and hydraulic pressure gradient by means of both sides inside and outside the film, reach the both sides concentration balance by dispersion, remove human body intracellular metabolic refuse and excessive moisture, the material that needs be can replenish simultaneously, electrolyte and acid base imbalance corrected.Existing hemodialysis apparatus generally is made up of hemodialyzer, pipeline, capacitance balance and ultrafiltration apparatus, A concentrate pump, A concentrated solution joint, B concentrate pump, B concentrated solution joint, water supply end connector, drain side joint, waste liquid tank and control circuit, has the following disadvantages:
1) the degasification gear pump both used as degasification, promoted the counter balance pocket diaphragm again, gear pump rotating speed control difficulty, and complete machine water route operating pressure is higher, and the water route parts are short service life.
During 2) to the degasification of reverse osmosis water not circulation carry out, reach degassing effect needs bigger degasification negative pressure, gear wear is very fast, the operation noise is higher.
3) need special air pump carry out aerofluxus to waste liquid, most air pumps can not water flowing, so the pipeline of bleeding can not clean or sterilize.
Summary of the invention
Technical problem to be solved by this invention is to provide the hemodialysis system that a kind of degassing effect is good, can effectively reduce complete machine water route operating pressure.
Technical scheme of the present invention is as follows: a kind of hemodialysis system, comprise hemodialyzer, capacitance balance and ultrafiltration apparatus, the water supply end connector, the drain side joint, waste liquid tank, the A concentrate pump, A concentrated solution joint, the B concentrate pump, B concentrated solution joint and control circuit, A concentrate pump wherein, the B concentrate pump is connected with control circuit by lead with capacitance balance and ultrafiltration apparatus, the dialysis solution outlet connection of described capacitance balance and ultrafiltration apparatus is connected with dialysis fluid side first joint of hemodialyzer by pipeline, dialysis fluid side second joint of hemodialyzer is connected with the liquid inlet joint of waste liquid tank by pipeline, the fluid joint of waste liquid tank joins by the waste liquid inlet attack of pipeline and capacitance balance and ultrafiltration apparatus, the waste liquid outlet joint of capacitance balance and ultrafiltration apparatus is connected with the drain side joint by pipeline, and its key is:
Described water supply end connector is connected by the liquid inlet joint of pipeline with the water inlet jar, the fluid joint of water inlet jar is connected with the import of throttle ele-ment by pipeline, the outlet of this throttle ele-ment is connected by the import of pipeline with first gear pump, the first gear delivery side of pump is connected with the liquid inlet joint of knockout drum by behind the pipeline cascade heater, the first fluid joint of knockout drum joins by the pipeline and the backflow fittings of water inlet jar, is provided with exhaust joint at the top of water inlet jar;
The second fluid joint of described knockout drum is connected with first end of first tee T, be connected with A concentrated solution joint behind second end series connection A concentrate pump of this first tee T, the 3rd end of first tee T is connected with first end of second tee T, be connected with B concentrated solution joint behind second end series connection B concentrate pump of second tee T, the 3rd end of second tee T is connected with an end of conductivity monitoring device, and the other end of this conductivity monitoring device joins by the dialysis solution inlet attack of pipeline and capacitance balance and ultrafiltration apparatus;
Described first gear pump, heater and conductivity monitoring device all are connected with control circuit by lead.
Adopt above technical scheme, reverse osmosis water enters into water jar through water supply end connector and pipeline, and the reverse osmosis water in the water inlet jar is under the effect of first gear pump, behind order process throttle ele-ment, first gear pump, heater, the knockout drum, getting back to into from the first fluid joint of knockout drum again, the water jar forms circulation, reverse osmosis water constantly passes through degasification and heating in cyclic process, because gas is lighter, so can be from the first fluid joint of knockout drum is got back to into the water jar by the isolating bubble of throttle ele-ment and partially liq, gas be discharged by the top exhaust joint of water inlet jar.
Be provided with very little pore in the throttle ele-ment, when the first gear pump rotating speed is higher, can produce bigger negative pressure before this first gear pump, this negative pressure is about to that dissolved microbubble becomes successive air pocket in the reverse osmosis water, discharges in water inlet jar by circulation line then.
The bottom of knockout drum all is no bubble and the reverse osmosis water through heating, be mixed into dialysis solution by a certain percentage by B concentrated solution with A concentrate pump suction A concentrated solution, the suction of B concentrate pump, whether the dialysis solution through conductivity monitoring device monitoring configuration satisfies instructions for use, and this dialysis solution enters the dialysis solution inlet attack of capacitance balance and ultrafiltration apparatus then.The first film coupling of dialysis solution from entering hemodialyzer after the dialysis solution outlet connection of capacitance balance and ultrafiltration apparatus comes out, dialysis solution is through after carrying out material and exchange of moisture with blood then, come out to enter the waste liquid tank from the second film coupling again, waste liquid enters the waste liquid inlet attack of capacitance balance and ultrafiltration apparatus again from the fluid joint of this waste liquid tank, and then comes out to discharge from the drain side joint from the waste liquid outlet joint of this capacitance balance and ultrafiltration apparatus.Capacitance balance and ultrafiltration apparatus under the effect of control circuit, can guarantee that dialysis solution equates with the amount of liquid maintenance strictness of waste liquid through this device by the monitor of eight electromagnetic valves and outfit.Dialysis solution and waste liquid are when entering capacitance balance and ultrafiltration apparatus, and the control by control circuit realizes the control of dialysate flow and realizes the ultrafiltration dehydration from blood of human body.
Described water supply end connector is connected behind first electromagnetic valve by pipeline and is connected with the liquid inlet joint of water inlet jar, is provided with first liquid level sensor in the water inlet jar, and this first liquid level sensor and first electromagnetic valve all are connected with control circuit by lead.Liquid level in water inlet jar is when rising to certain altitude, and first liquid level sensor can transmit signal to control circuit, and control circuit allows first closed electromagnetic valve; On the contrary, when the liquid level in the water inlet jar drops to certain altitude, control circuit can allow first electromagnetic valve open into water and rise to certain altitude first electromagnetic valve up to the water inlet jar liquid surface and cut out, can prevent effectively that so into the water pot liquid is too much or very few, has guaranteed that the water route can normally move.
The dialysis solution outlet connection of described capacitance balance and ultrafiltration apparatus is connected with first end of the 3rd tee T, second end of the 3rd tee T is connected and is connected with dialysis fluid side first joint of hemodialyzer behind second electromagnetic valve, the 3rd end of the 3rd tee T is connected with an end of the 3rd electromagnetic valve, the other end of the 3rd electromagnetic valve is connected with first end of the 4th tee T, second end of the 4th tee T is connected with the liquid inlet joint of waste liquid tank, dialysis fluid side second joint that the 3rd end of the 4th tee T is connected behind the 4th electromagnetic valve with hemodialyzer joins described second electromagnetic valve, the 3rd electromagnetic valve all is connected with control circuit by lead with the 4th electromagnetic valve.The pick off that is equipped with when control circuit monitors dialysate concentration, pressure etc. all just often, and second electromagnetic valve, the 4th electromagnetic valve all are in open mode, and the 3rd electromagnetic valve is in closed condition, and this moment, treatment was normal; Have when unusual when related sensor monitors dialysis solution, second electromagnetic valve, the 4th electromagnetic valve are closed immediately, and the 3rd electromagnetic valve is opened simultaneously, makes unusual dialysis solution not enter hemodialyzer, and directly flows to waste liquid tank from bypass, has guaranteed treatment safety.
The outlet of described throttle ele-ment is connected with first end of the 5th tee T, second end of the 5th tee T is connected with the import of first gear pump, the 3rd end of the 5th tee T is connected and is connected with the exhaust joint of sewer pipe behind the 5th electromagnetic valve, be provided with second liquid level sensor in sewer pipe, this second liquid level sensor and the 5th electromagnetic valve all are connected with control circuit by lead.Gas in waste liquid tank is more, when liquid level is low, second liquid level sensor can transmit signal and give control circuit, control circuit is opened the 5th electromagnetic valve, because negative pressure is bigger before first gear pump, so can very fast gas in the waste liquid tank be arranged to first gear pump, the liquid level in the waste liquid tank is raise, close the 5th electromagnetic valve up to control circuit.
The invention has the beneficial effects as follows;
1) first gear pump only uses as degasification and reverse osmosis water circulation heating, capacitance balance and ultrafiltration apparatus counter balance pocket feed liquor and the diaphragm-operated promotion of waste liquid are promoted by two other the special gear pump that carries, the control of gear pump rotating speed easily, complete machine water route operating pressure is lower, and the water route parts are longer service life.
2) adopt the first special gear pump to the reverse osmosis water degasification that circulates, degassing effect is good, does not also need bigger degasification negative pressure even will reach good degassing effect, and the operation noise is less.
3) only need with first gear pump waste liquid to be carried out aerofluxus, this section gas exhaust piping can carry out cleaning and sterilizing.
4) have when unusual when dialysis solution, can automatically unusual dialysis solution be imported waste liquid tank and do not enter dialyser and contact, guaranteed the safety for the treatment of with blood.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1, water supply end connector 3 is connected with an end of pipeline, and the other end of this pipeline is connected with the import of first electromagnetic valve 11, and the outlet of first electromagnetic valve 11 is connected by the liquid inlet joint of pipeline with water inlet jar 12 bottoms.The fluid joint at described water inlet jar 12 middle parts is connected by the import of pipeline with throttle ele-ment 13, throttle ele-ment 13 is a prior art, its structure is not done at this and is given unnecessary details, the outlet of this throttle ele-ment 13 is connected with first end of the 5th tee T 27, second end of the 5th tee T 27 is connected with the import of first gear pump 14, the 3rd end of the 5th tee T 27 is connected with the outlet of the 5th electromagnetic valve 28, and the import of the 5th electromagnetic valve 28 is connected by the exhaust joint of pipeline with sewer pipe 5 tops.
As can be known from Fig. 1, the outlet of first gear pump 14 is connected by the import of pipeline with heater 15, the outlet of this heater 15 is connected by the liquid inlet joint of pipeline with knockout drum 16 middle and upper parts, the first fluid joint at knockout drum 16 tops joins by the pipeline and the backflow fittings at water inlet jar 12 middle parts, top at water inlet jar 12 is provided with exhaust joint 17, and the inner chamber of water inlet jar 12 directly communicates with atmosphere by this exhaust joint 17.The second fluid joint of described knockout drum 16 bottoms is connected with first end of first tee T 18, second end of this first tee T 18 and the outlet of A concentrate pump 6 are joined, the import of this A concentrate pump 6 is connected with A concentrated solution joint 7 by pipeline, the 3rd end of first tee T 18 is connected with first end of second tee T 19, second end of second tee T 19 and the outlet of B concentrate pump 8 are joined, the import of this B concentrate pump 8 is connected with B concentrated solution joint 9 by pipeline, the 3rd end of second tee T 19 is connected with an end of conductivity monitoring device 20, and the other end of this conductivity monitoring device 20 joins by the dialysis solution inlet attack 2a of pipeline and capacitance balance and ultrafiltration apparatus 2.
From Fig. 1 also as can be known, the dialysis solution outlet connection 2d of capacitance balance and ultrafiltration apparatus 2 is connected with first end of the 3rd tee T 22, second end of the 3rd tee T 22 and the import of second electromagnetic valve 23 are joined, the outlet of second electromagnetic valve 23 is connected with dialysis fluid side first joint of hemodialyzer 1 by pipeline, the 3rd end of the 3rd tee T 22 is connected with an end of the 3rd electromagnetic valve 24, the other end of the 3rd electromagnetic valve 24 is connected with first end of the 4th tee T 25, second end of the 4th tee T 25 is connected with the liquid inlet joint at waste liquid tank 5 middle parts, the 3rd end of the 4th tee T 25 and the outlet of the 4th electromagnetic valve 26 are joined, and dialysis fluid side second joint of the import of the 4th electromagnetic valve 26 and hemodialyzer 1 joins.The fluid joint of described waste liquid tank 5 bottoms joins by the waste liquid inlet attack 2b of pipeline and capacitance balance and ultrafiltration apparatus 2, and the waste liquid outlet joint 2c of capacitance balance and ultrafiltration apparatus 2 is connected with drain side joint 4 by pipeline.Described capacitance balance and ultrafiltration apparatus 2 adopt ZL 200610054252.8 in December in 2006 disclosed structure on the 6th, do not do at this and give unnecessary details.
From Fig. 1, further as can be known, in water inlet jar 12, be provided with first liquid level sensor 21, be provided with second liquid level sensor 29 in the sewer pipe 5.Described first liquid level sensor 21, second liquid level sensor 29, first electromagnetic valve 11, second electromagnetic valve 23, the 3rd electromagnetic valve 24, the 4th electromagnetic valve 26, the 5th electromagnetic valve 28, A concentrate pump 6, B concentrate pump 8, capacitance balance and ultrafiltration apparatus 2, first gear pump 14, heater 15 and conductivity monitoring device 20 all are electrically connected with control circuit 10 by lead, by the work of control circuit 10 control each several parts.
Operation principle of the present invention is as follows:
Reverse osmosis water enters into water jar 12 through water supply end connector 3 and pipeline, and when the liquid level in the water inlet jar 12 rose to certain altitude, first liquid level sensor 21 can transmit signals and give control circuit 10, and control circuit 10 allows first electromagnetic valve 11 cut out; On the contrary, when the liquid level in the water inlet jars 12 dropped to certain altitude, control circuit 10 can allow first electromagnetic valve 11 open into water and rise to certain altitude first electromagnetic valve 11 up to water inlet jar 12 liquid levels and cut out; And the reverse osmosis water in the water inlet jar 12 is under the effect of first gear pump 14, behind order process throttle ele-ment 13, first gear pump 14, heater 15, the knockout drum 16, getting back to into from the first fluid joint at knockout drum 16 tops again, water jar 12 forms circulation, reverse osmosis water constantly passes through degasification and heating in cyclic process, because gas is lighter, so can be from the first fluid joint of knockout drum 16 is got back to into water jar 12 by throttle ele-ment 13 isolating bubbles and partially liq, gas be discharged by the top exhaust joint 17 of water inlet jars 12.
Be provided with very little pore in the throttle ele-ment 13, when first gear pump, 14 rotating speeds are higher, can produce bigger negative pressure before this first gear pump 14, this negative pressure is about to that dissolved microbubble becomes successive air pocket in the reverse osmosis water, discharges in water inlet jars 12 by above-mentioned circulation line then.
The bottom of knockout drum 16 all is no bubble and the reverse osmosis water through heating, flow to conductivity monitoring device 20 by first tee T 18, second tee T 19, the B concentrated solution of A concentrate pump 6 suction A concentrated solutions, 8 suctions of B concentrate pump is mixed into dialysis solution with reverse osmosis water by a certain percentage at this moment, whether the dialysis solution through the 20 monitoring configurations of conductivity monitoring device satisfies instructions for use, and this dialysis solution enters the dialysis solution inlet 2a joint of capacitance balance and ultrafiltration apparatus 2 then.The first film coupling of dialysis solution from entering hemodialyzer 1 after the dialysis solution outlet connection 2d of capacitance balance and ultrafiltration apparatus 2 comes out, dialysis solution is through after carrying out material and exchange of moisture with blood then, come out to enter the waste liquid tank 5 from the second film coupling again, waste liquid enters the waste liquid inlet attack 2b of capacitance balance and ultrafiltration apparatus 2 again from the fluid joint of this waste liquid tank 5, and then comes out to discharge from drain side joint 4 from the waste liquid outlet joint 2c of this capacitance balance and ultrafiltration apparatus 2.Capacitance balance and ultrafiltration apparatus 2 under the effect of control circuit, can guarantee that dialysis solution equates with the amount of liquid maintenance strictness of waste liquid through this device by the monitor of eight electromagnetic valves and outfit.Dialysis solution and waste liquid are when entering capacitance balance and ultrafiltration apparatus, and the control by control circuit realizes the control of dialysate flow and realizes the ultrafiltration dehydration from blood of human body.
The pick off that is equipped with when control circuit 10 monitors dialysate concentration, pressure etc. all just often, and second electromagnetic valve 23, the 4th electromagnetic valve 26 all are in open mode, and the 3rd electromagnetic valve 24 is in closed condition, and this moment, treatment was normal; Have when unusual when related sensor monitors dialysis solution, second electromagnetic valve 23, the 4th electromagnetic valve 26 are closed immediately, and the 3rd electromagnetic valve 24 is opened simultaneously, makes unusual dialysis solution not enter hemodialyzer 1, and directly flows to waste liquid tank 5 from bypass, has guaranteed treatment safety.
Gas in waste liquid tank 5 is more, when liquid level is low, second liquid level sensor 29 can transmit signal and give control circuit 10, control circuit 10 is opened the 5th electromagnetic valve 28, because negative pressure is bigger before first gear pump 14, so can very fast gas in the waste liquid tank 5 be arranged to first gear pump 14, the liquid level in the waste liquid tank 5 is raise, close the 5th electromagnetic valve 28 up to control circuit 10.
Claims (4)
1. hemodialysis system, comprise hemodialyzer (1), capacitance balance and ultrafiltration apparatus (2), water supply end connector (3), drain side joint (4), waste liquid tank (5), A concentrate pump (6), A concentrated solution joint (7), B concentrate pump (8), B concentrated solution joint (9) and control circuit (10), A concentrate pump (6) wherein, B concentrate pump (8) is connected with control circuit (10) by lead with capacitance balance and ultrafiltration apparatus (2), the dialysis solution outlet connection (2d) of described capacitance balance and ultrafiltration apparatus (2) is connected with dialysis fluid side first joint of hemodialyzer (1) by pipeline, dialysis fluid side second joint of hemodialyzer (1) is connected by the liquid inlet joint of pipeline with waste liquid tank (5), the fluid joint of waste liquid tank (5) joins by the waste liquid inlet attack (2b) of pipeline and capacitance balance and ultrafiltration apparatus (2), the waste liquid outlet joint (2c) of capacitance balance and ultrafiltration apparatus (2) is connected with drain side joint (4) by pipeline, it is characterized in that:
Described water supply end connector (3) is connected by the liquid inlet joint of pipeline with water inlet jar (12), the fluid joint of water inlet jar (12) is connected by the import of pipeline with throttle ele-ment (13), the outlet of this throttle ele-ment (13) is connected by the import of pipeline with first gear pump (14), the outlet of first gear pump (14) is connected with the liquid inlet joint of knockout drum (16) by pipeline cascade heater (15) back, the first fluid joint of knockout drum (16) joins by the pipeline and the backflow fittings of water inlet jar (12), is provided with exhaust joint (17) at the top of water inlet jar (12);
The second fluid joint of described knockout drum (16) is connected with first end of first tee T (18), second end series connection A concentrate pump (6) back of this first tee T (18) is connected with A concentrated solution joint (7), the 3rd end of first tee T (18) is connected with first end of second tee T (19), second end series connection B concentrate pump (8) back of second tee T (19) is connected with B concentrated solution joint (9), the 3rd end of second tee T (19) is connected with an end of conductivity monitoring device (20), and the other end of this conductivity monitoring device (20) joins by the dialysis solution inlet attack (2a) of pipeline and capacitance balance and ultrafiltration apparatus (2);
Described first gear pump (14), heater (15) and conductivity monitoring device (20) all are connected with control circuit (10) by lead.
2. hemodialysis system according to claim 1, it is characterized in that: described water supply end connector (3) is connected with the liquid inlet joint of water inlet jar (12) by connect first electromagnetic valve (11) back of pipeline, be provided with first liquid level sensor (21) in water inlet jar (12), this first liquid level sensor (21) and first electromagnetic valve (11) all are connected with control circuit (10) by lead.
3. hemodialysis system according to claim 1, it is characterized in that: the dialysis solution outlet connection (2d) of described capacitance balance and ultrafiltration apparatus (2) is connected with first end of the 3rd tee T (22), second end of the 3rd tee T (22) is connected, and second electromagnetic valve (23) is back to be connected with dialysis fluid side first joint of hemodialyzer (1), the 3rd end of the 3rd tee T (22) is connected with an end of the 3rd electromagnetic valve (24), the other end of the 3rd electromagnetic valve (24) is connected with first end of the 4th tee T (25), second end of the 4th tee T (25) is connected with the liquid inlet joint of waste liquid tank (5), connect dialysis fluid side second joint of the 4th electromagnetic valve (26) back and hemodialyzer (1) of the 3rd end of the 4th tee T (25) joins described second electromagnetic valve (23), the 3rd electromagnetic valve (24) all is connected with control circuit (10) by lead with the 4th electromagnetic valve (26).
4. hemodialysis system according to claim 1, it is characterized in that: the outlet of described throttle ele-ment (13) is connected with first end of the 5th tee T (27), second end of the 5th tee T (27) is connected with the import of first gear pump (14), the 3rd end of the 5th tee T (27) is connected, and the 5th electromagnetic valve (28) is back to be connected with the exhaust joint of sewer pipe (5), be provided with second liquid level sensor (29) in sewer pipe (5), this second liquid level sensor (29) and the 5th electromagnetic valve (28) all are connected with control circuit (10) by lead.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101781128A CN101829371B (en) | 2010-05-20 | 2010-05-20 | Hemodialysis system |
| PCT/CN2011/074368 WO2011144050A1 (en) | 2010-05-20 | 2011-05-20 | Blood dialysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101781128A CN101829371B (en) | 2010-05-20 | 2010-05-20 | Hemodialysis system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101829371A true CN101829371A (en) | 2010-09-15 |
| CN101829371B CN101829371B (en) | 2011-10-05 |
Family
ID=42713689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101781128A Active CN101829371B (en) | 2010-05-20 | 2010-05-20 | Hemodialysis system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101829371B (en) |
| WO (1) | WO2011144050A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011144050A1 (en) * | 2010-05-20 | 2011-11-24 | 重庆山外山科技有限公司 | Blood dialysis system |
| CN103619374A (en) * | 2010-12-07 | 2014-03-05 | 措尔生命桥梁有限责任公司 | Method and system for filling and venting a device for extracorporeal blood treatment, with stepped flooding of a filter |
| CN105705795A (en) * | 2013-10-24 | 2016-06-22 | 德国弗雷泽纽斯医疗保健股份有限公司 | Method for monitoring an impeller pump used in a medical application |
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| CN110191730A (en) * | 2017-01-20 | 2019-08-30 | 费森尤斯医疗保健控股公司 | Enhancing in haemodialysis equipment, which flows back, to be prevented |
| WO2022160076A1 (en) * | 2021-01-26 | 2022-08-04 | 钟楚田 | Dialysis machine |
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| CN114470376B (en) * | 2022-01-26 | 2024-05-03 | 重庆山外山血液净化技术股份有限公司 | A, B dry powder online configuration device for blood purification |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011144050A1 (en) * | 2010-05-20 | 2011-11-24 | 重庆山外山科技有限公司 | Blood dialysis system |
| CN103619374A (en) * | 2010-12-07 | 2014-03-05 | 措尔生命桥梁有限责任公司 | Method and system for filling and venting a device for extracorporeal blood treatment, with stepped flooding of a filter |
| US9623169B2 (en) | 2010-12-07 | 2017-04-18 | Zoll Lifebridge Gmbh | Method and system for filling and venting a device for extracorporeal blood treatment, with stepped flooding of a filter |
| US11040131B2 (en) | 2010-12-07 | 2021-06-22 | Zoll Lifebridge Gmbh | Method and system for filling and venting a device for extracorporeal blood treatment, with stepped flooding of a filter |
| CN105705795A (en) * | 2013-10-24 | 2016-06-22 | 德国弗雷泽纽斯医疗保健股份有限公司 | Method for monitoring an impeller pump used in a medical application |
| US10125772B2 (en) | 2013-10-24 | 2018-11-13 | Fresenius Medical Care Deutschland Gmbh | Method of monitoring an impeller pump used in a medical application |
| CN105705795B (en) * | 2013-10-24 | 2019-11-26 | 德国弗雷泽纽斯医疗保健股份有限公司 | The method for monitoring the pump of the impeller used in medical applications |
| CN110191730A (en) * | 2017-01-20 | 2019-08-30 | 费森尤斯医疗保健控股公司 | Enhancing in haemodialysis equipment, which flows back, to be prevented |
| WO2022160076A1 (en) * | 2021-01-26 | 2022-08-04 | 钟楚田 | Dialysis machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101829371B (en) | 2011-10-05 |
| WO2011144050A1 (en) | 2011-11-24 |
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