CN201375703Y - Capacity balancing device for purifying blood - Google Patents
Capacity balancing device for purifying blood Download PDFInfo
- Publication number
- CN201375703Y CN201375703Y CN200920127009U CN200920127009U CN201375703Y CN 201375703 Y CN201375703 Y CN 201375703Y CN 200920127009 U CN200920127009 U CN 200920127009U CN 200920127009 U CN200920127009 U CN 200920127009U CN 201375703 Y CN201375703 Y CN 201375703Y
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- cavity
- waste liquid
- dialysis solution
- electromagnetic valve
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- 239000008280 blood Substances 0.000 title claims abstract description 19
- 210000004369 blood Anatomy 0.000 title claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 96
- 239000000385 dialysis solution Substances 0.000 claims abstract description 85
- 239000007788 liquid Substances 0.000 claims description 101
- 238000000746 purification Methods 0.000 claims description 11
- 208000002925 dental caries Diseases 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 6
- 230000008859 change Effects 0.000 description 8
- 230000007306 turnover Effects 0.000 description 7
- 238000000502 dialysis Methods 0.000 description 6
- 238000001631 haemodialysis Methods 0.000 description 5
- 230000000322 hemodialysis Effects 0.000 description 5
- 210000000056 organ Anatomy 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 3
- 208000034486 Multi-organ failure Diseases 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 208000037157 Azotemia Diseases 0.000 description 1
- 208000010718 Multiple Organ Failure Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 208000012998 acute renal failure Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000020832 chronic kidney disease Diseases 0.000 description 1
- 208000022831 chronic renal failure syndrome Diseases 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000012621 metal-organic framework Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 208000029744 multiple organ dysfunction syndrome Diseases 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009256 replacement therapy Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- CEIZFXOZIQNICU-UHFFFAOYSA-N tenuazonic acid Chemical compound CCC(C)C1NC(=O)C(C(C)=O)=C1O CEIZFXOZIQNICU-UHFFFAOYSA-N 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 208000009852 uremia Diseases 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
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Abstract
Disclosed is a capacity balancing device for purifying blood. A first connector is arranged at a dialysis fluid inlet of a first dialysis fluid chamber, a first detecting coil is sleeved on the first connector, a first diaphragm is connected with a first position detecting rod, one end of the first position detecting rod is fixed with the middle portion of the first diaphragm, and the other end of the first position detecting rod extends into a center hole of the first connector. A second connector is arranged at a waste fluid inlet of a second waste fluid chamber, a second detecting coil is sleeved on the second connector, a second diaphragm is connected with a second position detecting rod, one end of the second position detecting rod is fixed with the middle portion of the second diaphragm, and the other end of the second position detecting rod extends into a center hole of the second connector. Through detecting left and right movement of the position detecting rods, the capacity balancing device for purifying blood can accurately control left and right movement positions of the diaphragms, guarantees accuracy of flows passing through the chambers in unit time, and can accurately control to keep dialysis fluid capacity which flows in or flows out of a dialyzer and waste fluid capacity constant.
Description
Technical field
This utility model relates to a kind of member of blood cleaning equipment, design capacity bascule especially, and the dialysis liquid measure and the waste liquid amount that pass in and out dialyser with guarantor unit in the time equate.
Background technology
Blood purification treatment is a kind of important replacement therapy means when multiple organ failure, MOFs such as kidney, liver, the heart, lung, and it can effectively remove internal metabolism refuse, toxin and correction acid-base balance.And hemodialysis (HD) is a kind of most important pattern of blood purification treatment, and it is that treatment uremia, acute and chronic renal failure are combined the main therapeutic modality that latter stage, the patient depended on for existence at present.Because the kidney organ of uremic patient has partially or completely lost urinary function, so need carry out hemodialysis, and two of hemodialysis mainly act as: 1) remove vivotoxin or correction acid-base balance by the fixing a certain amount of dialysis solution and the disperse principle of blood in the unit interval; 2) go out excessive moisture by ultrafiltration system ultrafiltration from blood of human body and tissue fluid.
For uremic patient, one time hemodialysis was generally 4～5 hours, need be 120～150L with the dialysis solution quantity of blood exchange, so a large amount of dialysis solution and blood carries out mass exchange, so the unit interval enters the dialysis liquid measure of dialyser and need guarantee to equate from the waste liquid amount that dialyser comes out, otherwise not only do not reach from human body dehydration purpose, and it is unbalance to occur amount of liquid easily, and then patient's life is produced dangerous.
Chinese patent ZL 200610054252.8 announced a kind of blood purification on the 3rd with capacitance balance and ultrafiltration apparatus in December in 2008, and the mode that adopts capacity balancer assembly and ultrafiltrate pump to combine is worked.The flow of dialysis solution and waste liquid turnover capacity balancer assembly equates in capacity balancer assembly guarantor unit's time, each electromagnetic valve on the capacity balancer assembly is electrically connected with control circuit respectively, utilizes single-chip microcomputer to be responsible for coordinating the open and close of eight electromagnetic valves in this control circuit.Eight electromagnetic valve alternately open and close, the pressure that utilizes two gear pumps to produce make that the barrier film in each cavity moves to the left or to the right on the capacity balancer assembly, thereby realize the filling and the emptying of each chamber.More than device utilizes pressure monitor to gather pressure signal, and regulates the rotating speed of pump by control circuit, mainly has following deficiency:
1, promote the pressure difference that diaphragm is adjacent to the chamber wall and needs and set by rule of thumb, be subjected to factor affecting such as membranous material, thickness easily, accuracy is relatively poor, and the dialysis liquid measure and the waste liquid amount that are difficult to turnover dialyser in the real guarantor unit time keep constant.
2, for guaranteeing that diaphragm all is adjacent to the chamber wall each time to the left or to the right fully, the needed pressure of diaphragm work is very high, can cause the fluidic pressure of whole system higher, not only is easy to generate leakage, and can shorten the service life of each parts of system.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of blood purification capacitance balance device, so as the unit interval can accurately control the turnover dialyser dialysis liquid measure and waste liquid amount keep constant.
The technical solution of the utility model is as follows: a kind of blood purification capacitance balance device, comprise cavity, diaphragm, the dialysis solution inlet union, the dialysis solution outlet connection, the waste liquid inlet union, waste liquid outlet joint and 8 electromagnetic valves, be provided with two independently cavitys in the inside of cavity, first cavity is separated into the first dialysis solution chamber and the first waste liquid chamber by first diaphragm, wherein the first dialysis solution chamber portals by dialysis solution and is communicated with the endoporus of the 5th electromagnetic valve, the 5th electromagnetic valve is connected with the dialysis solution outlet connection by pipeline, the first waste liquid chamber advances by waste liquid, portal and be communicated with the endoporus of second electromagnetic valve and the 6th electromagnetic valve respectively, second electromagnetic valve joins by pipeline and waste liquid inlet union, and the 6th electromagnetic valve is connected with the waste liquid outlet joint by pipeline; Second cavity is separated into the second dialysis solution chamber and the second waste liquid chamber by second diaphragm, wherein the second dialysis solution chamber is communicated with the endoporus of the 3rd electromagnetic valve and the 7th electromagnetic valve respectively into and out of the hole by dialysis solution, the 3rd electromagnetic valve joins by pipeline and dialysis solution inlet union, the 7th electromagnetic valve communicates with the dialysis solution outlet connection by pipeline, the described second waste liquid chamber portals by waste liquid and is communicated with the endoporus of the 8th electromagnetic valve, the 8th electromagnetic valve joins by pipeline and waste liquid outlet joint, and its key is:
A, advance Kong Chu at the dialysis solution of the described first dialysis solution chamber first joint is housed, suit first magnetic test coil on this first joint, and first joint is connected by pipeline and is connected with the dialysis solution inlet union behind first electromagnetic valve;
B, be connected with the primary importance test rod on described first diaphragm, an end of this primary importance test rod and the middle part of first diaphragm are fixed, and the other end of primary importance test rod stretches in the centre bore of first joint;
C, advance Kong Chu at the waste liquid of the described second waste liquid chamber second joint is housed, suit second magnetic test coil on this second joint, and second joint is connected by pipeline and is connected with the waste liquid inlet union behind the 4th electromagnetic valve;
D, be connected with second position test rod on described second diaphragm, an end of this second position test rod and the middle part of second diaphragm are fixed, and the other end of second position test rod stretches in the centre bore of second joint.
Adopt above technical scheme, the dialysis solution inlet union is connected with dialysis fluid container after by pipeline series connection liquid feeding pump, the dialysis solution outlet connection joins by the dialysis solution import of pipeline and dialyser, the waste liquid outlet of dialyser is connected with the waste liquid inlet union after by pipeline series connection waste drains pump, and the waste liquid outlet joint is connected with waste fluid container by pipeline.First, second magnetic test coil and 8 electromagnetic valves are connected with control circuit by lead respectively in this utility model.Control circuit is responsible for coordinating the open and close of above 8 electromagnetic valves.At synchronization, the first, the 6th valve opening solenoid, the second, the 5th electromagnetic valve closes, and guarantees that dialysis solution enters first dialysis solution chamber of first cavity and the first waste liquid chamber that waste liquid is discharged first cavity; Four, the 7th valve opening solenoid, the 3rd, the 8th electromagnetic valve closes, and guarantees that waste liquid enters second waste liquid chamber of second cavity and the second dialysis solution chamber that dialysis solution is discharged second cavity.Oppositely open or close at all electromagnetic valves of the next one moment, realize that dialysis solution enters second dialysis solution chamber of second cavity and the second waste liquid chamber that waste liquid is discharged second cavity, realize that waste liquid enters first waste liquid chamber of first cavity and the first dialysis solution chamber that dialysis solution is discharged first cavity.
Diaphragm in first, second cavity is with the turnover move left and right of liquid, can drive the primary importance test rod when wherein first diaphragm moves is synchronized with the movement, make the primary importance test rod change the inductance value of first magnetic test coil, and change into the signal of telecommunication and be transferred to control circuit, to detect the leftmost side or the rightmost side whether first diaphragm arrives first cavity, if no show, the rotating speed of exportable Signal Regulation liquid feeding pump of control circuit and waste drains pump; In like manner, can drive the second position test rod when second diaphragm moves is synchronized with the movement, make second position test rod change the inductance value of second magnetic test coil, and change into the signal of telecommunication and be transferred to control circuit, to detect the leftmost side or the rightmost side whether second diaphragm arrives second cavity, if no show, the rotating speed of exportable Signal Regulation liquid feeding pump of control circuit and waste drains pump.The liquid that can keep first, second cavity to enter or discharge with upper type is consistent all the time, therefore can each guarantee that constantly dialysis solution and waste liquid equate by the liquid of static organ, like this unit interval can accurately control the turnover dialyser dialysis liquid measure and waste liquid amount keep constant.
For simplified structure, be convenient to dismounting, above-mentioned cavity is made of middle cavity, left cavity and right cavity, the lumen body is positioned between the left and right cavity, the three fixes by screw; Have the groove that shape adapts on the opposite face of cavity and left cavity in described, form first cavity, the edge of described first diaphragm is compressed by middle cavity and left cavity; Also have the groove that shape adapts on the opposite face of cavity and right cavity in described, form second cavity, the edge of described second diaphragm is compressed by middle cavity and right cavity.
Coil assembling for convenience, and prevent that coil from coming off, above-mentioned first magnetic test coil is arranged in the annular groove of the first joint excircle, and second magnetic test coil is arranged in the annular groove of the second joint excircle.
Test rod is installed firmly in order to make, motion is reliable, in the coated outside of above-mentioned primary importance test rod one deck rubber bodies is arranged, and this rubber bodies and first diaphragm are connected as a single entity; Coated outside at described second position test rod has one deck rubber bodies, and this rubber bodies and second diaphragm are connected as a single entity.
The beneficial effects of the utility model are:
1, by the move left and right of detection position test rod, can accurately control the move left and right position of diaphragm, guarantor unit's time is accurate by the flow of cavity.
2, because two cavitys of cavity are fixed volume, each cavity equates fully with the waste liquid (or dialysis solution) of discharge when sucking dialysis solution (or waste liquid), has accurately guaranteed the balance of dialysis solution and waste liquid flow.
3, the fluidic pressure of whole system need not too highly, has both effectively avoided produce revealing, and has guaranteed the service life of each parts of system again.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a user mode reference diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, cavity 1 is made of middle cavity 1a, left cavity 1b and right cavity 1c, and middle cavity 1a is between left and right cavity 1b, 1c, and the three fixes by screw.Have the groove that shape adapts on the opposite face of middle cavity 1a and left cavity 1b, form oval first cavity, the edge that first diaphragm, 2, the first diaphragms 2 are housed in this first cavity is compressed by middle cavity 1a and left cavity 1b.Also have the groove that shape adapts on the opposite face of middle cavity 1a and right cavity 1c, form oval second cavity, the edge of described second diaphragm 3 is compressed by middle cavity 1a and right cavity 1c.
As can be known from Fig. 1, first cavity is separated into the first dialysis solution chamber A and the first waste liquid chamber B by first diaphragm 2, wherein the dialysis solution offered by left cavity 1b top of the first dialysis solution chamber A portals and is communicated with the endoporus of the 5th electromagnetic valve 13, the 5th electromagnetic valve 13 is fixed in left cavity 1b top, and is connected with dialysis solution outlet connection 5 by pipeline.Offer the dialysis solution that is communicated with the first dialysis solution chamber A at left cavity 1b middle part and enter the hole, this dialysis solution advances Kong Chu first joint 17 is housed, first joint 17 is connected by the end of pipeline with first electromagnetic valve 9, and the other end of first electromagnetic valve 9 joins by pipeline and dialysis solution inlet union 4.Be set with first magnetic test coil 18 on first joint 17, this first magnetic test coil 18 is arranged in the annular groove of first joint, 17 excircles, and is connected with control circuit 23 by lead.The waste liquid that the described first waste liquid chamber B offers by middle cavity 1a bottom enters the hole and is communicated with the endoporus of second electromagnetic valve 10, and second electromagnetic valve 10 is fixed in middle cavity 1a bottom, and joins by pipeline and waste liquid inlet union 6.Offer waste liquid on middle cavity 1a top and portal, the first waste liquid chamber B portals by waste liquid and is communicated with the endoporus of the 6th electromagnetic valve 14, and the 6th electromagnetic valve 14 is fixed in middle cavity 1a top, and is connected with waste liquid outlet joint 7 by pipeline.
From Fig. 1 also as can be known, second cavity is separated into the second dialysis solution chamber A ' and the second waste liquid chamber B ' by second diaphragm 3, wherein the dialysis solution offered by middle cavity 1a bottom of the second dialysis solution chamber A ' endoporus that advances Kong Yudi three electromagnetic valves 11 is communicated with, the bottom of cavity 1a during the 3rd electromagnetic valve 11 is fixed in, and be connected on the pipeline between the dialysis solution inlet union 4 and first electromagnetic valve 9 by pipeline.Offering dialysis solution on the top of middle cavity 1a portals, the second dialysis solution chamber A ' portals by this dialysis solution and is communicated with the endoporus of the 7th electromagnetic valve 15, the top of cavity 1a during the 7th electromagnetic valve 15 is installed in, and be connected on the pipeline between dialysis solution outlet connection 5 and the 5th electromagnetic valve 13 by pipeline.The waste liquid that the described second waste liquid chamber B ' offers by right cavity 1c top portals and is communicated with the endoporus of the 8th electromagnetic valve 16, the 8th electromagnetic valve 16 is fixed in the top of right cavity 1c, and is connected on the pipeline between waste liquid outlet joint 7 and the 6th electromagnetic valve 14 by pipeline.Offer waste liquid at the middle part of described right cavity 1c and enter the hole, this waste liquid enters the hole and is communicated with the second waste liquid chamber B ', and waste liquid advances Kong Chu second joint 20 is housed.Described second joint 20 is connected by the end of pipeline with the 4th electromagnetic valve 12, and the other end of the 4th electromagnetic valve 12 is connected on the pipeline between the waste liquid inlet union 6 and second electromagnetic valve 10 by pipeline.Suit second magnetic test coil 21 on described second joint 20, this second magnetic test coil 21 is arranged in the annular groove of second joint, 20 excircles, and is connected with control circuit 23 by lead.
From Fig. 1 further as can be known, on described first diaphragm 2, be connected with primary importance test rod 19, one end of this primary importance test rod 19 stretches in the centre bore of first joint 17, the middle part of the other end and first diaphragm 2 is fixed, coated outside at the primary importance test rod has one deck rubber bodies, and this rubber bodies and first diaphragm are connected as a single entity.On described second diaphragm 3, be connected with second position test rod 22, one end of this second position test rod 22 stretches in the centre bore of second joint 20, the middle part of the other end and second diaphragm 3 is fixed, coated outside at second position test rod has one deck rubber bodies, and this rubber bodies and second diaphragm are connected as a single entity.
As Fig. 2 and in conjunction with shown in Figure 1, dialysis solution inlet union 4 is connected with dialysis fluid container by pipeline series connection liquid feeding pump 24 backs, dialysis solution outlet connection 5 joins by the dialysis solution import of pipeline and dialyser 25, the waste liquid outlet of dialyser 25 is connected with waste liquid inlet union 6 by pipeline series connection waste drains pump 26 backs, waste liquid outlet joint 7 is connected with waste fluid container by pipeline, and dialysis solution and waste liquid produce power by liquid feeding pump 24 and waste drains pump 26.8 electromagnetic valves are connected with control circuit 23 by lead respectively in this utility model, and control circuit 23 is responsible for coordinating the open and close of above 8 electromagnetic valves.At synchronization, the first, the 6th electromagnetic valve 9,14 is opened, and the second, the 5th electromagnetic valve 10,13 closes, and guarantees that dialysis solution enters first dialysis solution chamber A of first cavity and the first waste liquid chamber B that waste liquid is discharged first cavity; Four, the 7th electromagnetic valve 12,15 is opened, and the 3rd, the 8th electromagnetic valve 11,16 closes, and guarantees that waste liquid enters second waste liquid chamber B ' of second cavity and the second dialysis solution chamber A ' that dialysis solution is discharged second cavity.Oppositely open or close at all electromagnetic valves of the next one moment, realize that dialysis solution enters second dialysis solution chamber A ' of second cavity and the second waste liquid chamber B ' that waste liquid is discharged second cavity, realize that waste liquid enters first waste liquid chamber B of first cavity and the first dialysis solution chamber A that dialysis solution is discharged first cavity.
As shown in Figure 2, in the process of carrying out dialysis treatment, when static organ is connected with waste liquid with dialysis solution, can realize the turnover balance of dialysis solution and waste liquid and the flow speed control of unit interval dialysis solution and waste liquid.Before waste liquid enters static organ, connect a high-precision dosing pump 27 in addition, can realize deviating from redundant moisture from human body.
Claims (5)
1, a kind of blood purification capacitance balance device, comprise cavity (1), diaphragm (2,3), dialysis solution inlet union (4), dialysis solution outlet connection (5), waste liquid inlet union (6), waste liquid outlet joint (7) and 8 electromagnetic valves, be provided with two independently cavitys in the inside of cavity (1), first cavity is separated into the first dialysis solution chamber (A) and the first waste liquid chamber (B) by first diaphragm (2), wherein the first dialysis solution chamber (A) portals by dialysis solution and is communicated with the endoporus of the 5th electromagnetic valve (13), the 5th electromagnetic valve (13) is connected with dialysis solution outlet connection (5) by pipeline, the first waste liquid chamber (B) advances by waste liquid, portal and be communicated with the endoporus of second electromagnetic valve (10) and the 6th electromagnetic valve (14) respectively, second electromagnetic valve (10) joins by pipeline and waste liquid inlet union (6), and the 6th electromagnetic valve (14) is connected with waste liquid outlet joint (7) by pipeline; Second cavity is separated into the second dialysis solution chamber (A ') and the second waste liquid chamber (B ') by second diaphragm (3), wherein the second dialysis solution chamber (A ') advances by dialysis solution, portal and be communicated with the endoporus of the 3rd electromagnetic valve (11) and the 7th electromagnetic valve (15) respectively, the 3rd electromagnetic valve (11) joins by pipeline and dialysis solution inlet union (4), the 7th electromagnetic valve (15) communicates with dialysis solution outlet connection (5) by pipeline, the described second waste liquid chamber (B ') portals by waste liquid and is communicated with the endoporus of the 8th electromagnetic valve (16), the 8th electromagnetic valve (16) joins by pipeline and waste liquid outlet joint (7), it is characterized in that:
A, advance Kong Chu at the dialysis solution of the described first dialysis solution chamber (A) first joint (17) is housed, last suit first magnetic test coil (18) of this first joint (17), and first joint (17) is connected by pipeline, and first electromagnetic valve (9) is back to be connected with dialysis solution inlet union (4);
B, on described first diaphragm (2), be connected with primary importance test rod (19), the middle part of one end of this primary importance test rod (19) and first diaphragm (2) is fixed, and the other end of primary importance test rod (19) stretches in the centre bore of first joint (17);
C, advance Kong Chu at the waste liquid of the described second waste liquid chamber (B ') second joint (20) is housed, last suit second magnetic test coil (21) of this second joint (20), and second joint (20) is connected by pipeline, and the 4th electromagnetic valve (12) is back to be connected with waste liquid inlet union (6);
D, on described second diaphragm (3), be connected with second position test rod (22), the middle part of one end of this second position test rod (22) and second diaphragm (3) is fixed, and the other end of second position test rod (22) stretches in the centre bore of second joint (20).
2, blood purification according to claim 1 capacitance balance device, it is characterized in that: described cavity (1) is made of middle cavity (1a), left cavity (1b) and right cavity (1c), middle cavity (1a) is positioned between the left and right cavity (1b, 1c), and the three fixes by screw; Have the groove that shape adapts on the opposite face of cavity in described (1a) and left cavity (1b), form first cavity, the edge of described first diaphragm (2) is compressed by middle cavity (1a) and left cavity (1b); Also have the groove that shape adapts on the opposite face of cavity in described (1a) and right cavity (1c), form second cavity, the edge of described second diaphragm (3) is compressed by middle cavity (1a) and right cavity (1c).
3, blood purification according to claim 1 capacitance balance device, it is characterized in that: described first magnetic test coil (18) is arranged in the annular groove of first joint (17) excircle, and second magnetic test coil (21) is arranged in the annular groove of second joint (20) excircle.
4, blood purification according to claim 1 capacitance balance device is characterized in that: the coated outside at described primary importance test rod (19) has one deck rubber bodies, and this rubber bodies and first diaphragm (2) are connected as a single entity.
5, blood purification according to claim 1 capacitance balance device is characterized in that: the coated outside at described second position test rod (22) has one deck rubber bodies, and this rubber bodies and second diaphragm (3) are connected as a single entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920127009U CN201375703Y (en) | 2009-04-14 | 2009-04-14 | Capacity balancing device for purifying blood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920127009U CN201375703Y (en) | 2009-04-14 | 2009-04-14 | Capacity balancing device for purifying blood |
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| CN201375703Y true CN201375703Y (en) | 2010-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920127009U Expired - Lifetime CN201375703Y (en) | 2009-04-14 | 2009-04-14 | Capacity balancing device for purifying blood |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537215B (en) * | 2009-04-14 | 2011-12-07 | 重庆山外山科技有限公司 | Capacity balancer used for blood purification |
| CN109663159A (en) * | 2019-01-17 | 2019-04-23 | 郑州大学第附属医院 | A kind of blood purification automatic liquid matching capacity balancing device |
| CN110735962A (en) * | 2019-09-06 | 2020-01-31 | 广东宝莱特医用科技股份有限公司 | balance cavity electromagnetic valve control method |
-
2009
- 2009-04-14 CN CN200920127009U patent/CN201375703Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537215B (en) * | 2009-04-14 | 2011-12-07 | 重庆山外山科技有限公司 | Capacity balancer used for blood purification |
| CN109663159A (en) * | 2019-01-17 | 2019-04-23 | 郑州大学第附属医院 | A kind of blood purification automatic liquid matching capacity balancing device |
| CN109663159B (en) * | 2019-01-17 | 2021-09-28 | 郑州大学第一附属医院 | Automatic liquid preparation capacity balancing device for blood purification |
| CN110735962A (en) * | 2019-09-06 | 2020-01-31 | 广东宝莱特医用科技股份有限公司 | balance cavity electromagnetic valve control method |
| CN110735962B (en) * | 2019-09-06 | 2021-05-04 | 广东宝莱特医用科技股份有限公司 | Balance cavity electromagnetic valve control method |
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Denomination of utility model: Capacity balancing device for purifying blood Effective date of registration: 20120802 Granted publication date: 20100106 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Gao Guangyong|Chongqing Shanwaishan science and Technology Co Ltd Registration number: 2012990000422 |
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Date of cancellation: 20130820 Granted publication date: 20100106 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Gao Guangyong|Chongqing Shanwaishan science and Technology Co Ltd Registration number: 2012990000422 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Capacity balancing device for purifying blood Effective date of registration: 20130820 Granted publication date: 20100106 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Gao Guangyong|Chongqing Shanwaishan science and Technology Co Ltd Registration number: 2013990000593 |
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Date of cancellation: 20150203 Granted publication date: 20100106 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Gao Guangyong|Chongqing Shanwaishan science and Technology Co Ltd Registration number: 2013990000593 |
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Denomination of utility model: Capacity balancing device for purifying blood Effective date of registration: 20150205 Granted publication date: 20100106 Pledgee: Chongqing Sanxia bank Limited by Share Ltd New District Branch Pledgor: Gao Guangyong|Chongqing Shanwaishan science and Technology Co Ltd Registration number: 2015990000104 |
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Address after: The 401121 northern New District of Chongqing municipality Mount Huangshan Road No. 5 South Building Mercury Technology Development Center Patentee after: SWS HEMODIALSIS CARE CO., LTD. Address before: 2, H building, No. three, No. 67, 400041 Garden Road, Chongqing hi tech Zone Patentee before: Chongqing Shanwaishan Science & Technology Co., Ltd. |
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Inventor after: Gao Guangyong Inventor after: Ren Yingxiang Inventor before: Lin Jinchao Inventor before: Gao Guangyong Inventor before: Ren Yingxiang Inventor before: Teng Chaoyu |
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Address after: 401123 Tzu Chi Road, Liangjiang New Area, Chongqing, No. 1 Patentee after: SWS HEMODIALSIS CARE CO., LTD. Address before: The 401121 northern New District of Chongqing municipality Mount Huangshan Road No. 5 South Building Mercury Technology Development Center Patentee before: SWS HEMODIALSIS CARE CO., LTD. |
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