CN105457114A - Volume-oriented, real-time and dynamic automatic dialysis water removal system - Google Patents
Volume-oriented, real-time and dynamic automatic dialysis water removal system Download PDFInfo
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- CN105457114A CN105457114A CN201510809020.8A CN201510809020A CN105457114A CN 105457114 A CN105457114 A CN 105457114A CN 201510809020 A CN201510809020 A CN 201510809020A CN 105457114 A CN105457114 A CN 105457114A
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- moisture
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- 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
- A61M1/1601—Control or regulation
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- Heart & Thoracic Surgery (AREA)
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- Urology & Nephrology (AREA)
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Abstract
The invention provides a volume-oriented, real-time and dynamic automatic dialysis water removal system. The volume-oriented, real-time and dynamic automatic dialysis water removal system comprises a calculation unit and a hemodialysis unit. The calculation unit is used for receiving a weight signal and then converting the weight signal into a speed signal. The hemodialysis unit is provided with a water removal speed regulator and used for receiving the speed signal of the calculation unit. By means of the volume-oriented, real-time and dynamic automatic dialysis water removal system, the water removal speed can be regulated and gradually increased through the water removal speed regulator of the hemodialysis unit according to the weight of water in the body of a user. Thus, the volume-oriented, real-time and dynamic automatic dialysis water removal system can solve the problem of hypotension caused when a constant hemodialysis speed is adopted in the prior art.
Description
Technical field
The present invention is a kind of moisture removal system of relation, espespecially a kind of can according to the weight of moisture and moisture removal system that is instant, that automatically regulate hemodialysis speed.
Background technology
The hemodialyzer of prior art removes speed to remove the moisture in user body with fixing moisture, and it is calculate with formula A that this moisture removes speed, and this formula A is
wherein, W is the moisture gross weight (kilogram) for dialysis removing, and T is total dialysis time (hour).But, accept kidney user or the glycosuria user of hemodialysis, carrying out in blood dialysis, often easily there is hypotensive complication, cause hypotensive reason to comprise: remove in dialysis procedure that moisture is too fast, dysautonomia causes that periphery artery blood pressure reduces, user is poor and to cause in vasodilation phenomenon or blood oxygen content reduction etc. for dialysis solution toleration.Therefore, easily cause the uncomfortable phenomenon of user after hemodialysis, user often needs to have a rest and at least more than half a day can regain one's strength, and therefore, the hemodialysis that the fixing moisture of prior art removes speed causes great impact for the daily life quality of user.Be develop one can first utilize lower starting moisture to remove speed, and adjust and the system removing speed that moisturizes in proper order is this area problem demanding prompt solution according to the weight of moisture in the body of user.
Summary of the invention
Because the disappearance of prior art, the object of the present invention is to provide a volume that can regulate and control hemodialysis speed according to the weight of moisture in the body of user to lead and the instant dynamic moisture of dialysis automatically removal system, in blood dialysis, produce hypotension situation to avoid user.
For reaching above-mentioned object, volume provided by the present invention leads and the instant dynamic moisture of dialysis automatically removal system comprises: a computing unit and a hemodialysis unit.This computing unit is reception one weight signal, and this weight signal is converted to the rate signal that a moisture removes by foundation at least two formula; This hemodialysis unit has a moisture and removes speed regulator, and this hemodialysis unit is the rate signal being connected to computing unit and receiving from this computing unit, again rate signal transmission is removed speed regulator to moisture, remove the speed that removes of speed regulator regulation and control moisture by moisture.
Preferably, described computing unit is that total dialysis time is divided into N number of time phase, and it is sequentially the stage very first time, the second time phase ... to N time phase, wherein N≤2, this computing unit has formula I and formula II two formula.The formula I corresponding stage very first time, and formula I is:
formula II remaining time phase corresponding, this formula II is:
wherein, V
1for the moisture in the stage very first time removes speed; V
nbe that the moisture of the n-th time phase removes speed, wherein N≤n≤2; W is the moisture gross weight (kilogram) removed; W
n-1for the moisture gross weight removed to the (n-1)th time phase, wherein N≤n≤2; T is total dialysis time (hour); T
n-1for the total time spent to the (n-1)th time phase, wherein N≤n≤2.
Preferably, described N is 32.
Enter to calculate rate signal by reception one weight signal according to computing unit of the present invention; This rate signal is transferred to hemodialysis unit again, and by hemodialysis unit, rate signal transmission is removed speed regulator to moisture, is removed the speed of speed regulator regulation and control moisture dialysis by moisture.Therefore, the invention provides and can first utilize lower starting moisture to remove speed, and adjust according to the weight of moisture in user body and moisturize in proper order the volume guiding and the instant dynamic moisture of dialysis automatically removal system that remove speed, use solving prior art and utilize constant hemodialysis user that speed causes to produce hypotensive situation in blood dialysis.In addition, volume of the present invention guiding and the instant dynamic moisture of dialysis automatically removal system account for the user particularly suitable of TBW more than 8% for the moisture weight for dialysis removing.
Accompanying drawing explanation
Fig. 1 is volume of the present invention guiding and the structured flowchart of the instant dynamic moisture of dialysis automatically removal system.
Drawing reference numeral
10 computing units
20 hemodialysis unit
21 moisture remove speed regulator
Detailed description of the invention
The following example is used for exemplary illustration the present invention.Described embodiment is intended to limit the scope of the invention never in any form, but is used to indicate how to implement material of the present invention and method.
Refer to shown in Fig. 1, this creation provides a kind of volume to lead and the instant dynamic moisture of dialysis automatically removal system, and it comprises computing unit 10 and a hemodialysis unit 20.
Computing unit 10 is reception one weight signals, then this weight signal is converted to according at least two formula the rate signal that a moisture removes.In a particular embodiment, this weight signal to lead and measured by the weighing machine of the instant dynamic moisture of dialysis automatically removal system or platform scale by being connected to volume.In a particular embodiment, user carries out total dialysis time of hemodialysis is 4 hours.
When user carries out hemodialysis, this rate signal calculates according to formula I and formula II, total dialysis time is divided into N number of time phase by computing unit, it is sequentially the stage very first time, the second time phase ... to N time phase, wherein N≤2, this computing unit has formula I and formula II two formula.In the formula I corresponding stage very first time, this formula I is as follows:
formula II remaining time phase corresponding, this formula II is as follows:
wherein, V
1for the moisture in the stage very first time removes speed; V
nbe that the moisture of the n-th time phase removes speed, wherein N≤n≤2; W is the moisture gross weight (kilogram) removed; W
n-1for the moisture gross weight removed to the (n-1)th time phase, wherein N≤n≤2; T is total dialysis time (hour); T
n-1for the total time spent to the (n-1)th time phase, wherein N≤n≤2.In a particular embodiment, N is 32.
Hemodialysis unit 20 has a moisture and removes speed regulator 21, and this hemodialysis unit 20 is connected to computing unit 10, and the rate signal received from this computing unit 10, again rate signal transmission is removed speed regulator 21 to moisture, use regulation and control moisture and remove the speed that speed regulator 21 moisture removes.
Embodiment: volume of the present invention guiding and the instant dynamic moisture of dialysis automatically removal system are for the effect of regulation and control blood pressure.
Experimental group 1: as shown in table 1, before user carries out hemodialysis body weight, body weight is 59.2 kilograms, diastolic pressure is 82 millimetress of mercury, systolic pressure is 138 millimetress of mercury; When going through 270 minutes after hemodialysis, body weight is 57.5 kilograms, diastolic pressure drops to 81 millimetress of mercury by 82 millimetress of mercury, systolic pressure drops to 129 millimetress of mercury by 138 millimetress of mercury.
Time when table 1 user goes through hemodialysis, body weight and blood pressure
Table 1 result shows, via volume of the present invention guiding and the instant dynamic moisture of dialysis automatically removal system carry out after hemodialysis, user does not have obvious change with blood pressure after hemodialysis before hemodialysis, therefore, user does not produce sense of discomfort because blood pressure reduces after dialysis completes.
Experimental group 2: as shown in table 2, before user carries out hemodialysis body weight, body weight is 60.6 kilograms, diastolic pressure is 78 millimetress of mercury, systolic pressure is 129 millimetress of mercury; When going through 180 minutes after hemodialysis, body weight is 57.3 kilograms, diastolic pressure rises to 88 millimetress of mercury by 78 millimetress of mercury, systolic pressure rises to 144 millimetress of mercury by 129 millimetress of mercury.
Time when table 2 user goes through hemodialysis, body weight and blood pressure
Table 2 result shows, via volume of the present invention guiding and the instant dynamic moisture of dialysis automatically removal system carry out after hemodialysis, user does not have the phenomenon of decline with blood pressure after hemodialysis before hemodialysis, therefore, user does not produce sense of discomfort because blood pressure reduces after dialysis completes.
Comparative example: prior art carries out the effect of hemodialysis speed for regulation and control blood pressure.
Control group: before user carries out hemodialysis body weight, body weight is 59.7 kilograms, diastolic pressure is 76 millimetress of mercury, systolic pressure is 118 millimetress of mercury; When going through 260 minutes constant speed after hemodialysis, body weight is 57.8 kilograms, diastolic pressure drops to 67 millimetress of mercury by 76 millimetress of mercury, systolic pressure drops to 100 millimetress of mercury by 118 millimetress of mercury.
Time when table 3 user goes through hemodialysis, body weight and blood pressure
Table 3 result shows, and prior art is carried out after hemodialysis, and user, after dialysis completes, produces sense of discomfort because this systolic pressure is reduced to below 120 millimetress of mercury.
Claims (3)
1. volume leads and the instant dynamic moisture of a dialysis automatically removal system, it is characterized in that, this volume leads and the instant dynamic moisture of dialysis automatically removal system comprises:
One computing unit, it is reception one weight signal, then this weight signal is converted to according at least two formula the rate signal that a moisture removes; And,
One hemodialysis unit, it has a moisture and removes speed regulator, and this hemodialysis unit is the rate signal being connected to this computing unit and receiving from this computing unit, again rate signal transmission is removed speed regulator to moisture, and remove the speed that removes of speed regulator regulation and control moisture by moisture.
2. volume as claimed in claim 1 leads and the instant dynamic moisture of dialysis automatically removal system, it is characterized in that, computing unit is that total dialysis time is divided into N number of time phase, it is sequentially the stage very first time, the second time phase ... to N time phase, wherein N≤2, this computing unit has formula I and formula II two formula;
In this formula I corresponding stage very first time, this formula I is as follows:
This formula II remaining time phase corresponding, this formula II is as follows:
Wherein,
V
1for the moisture in the stage very first time removes speed;
V
nbe that the moisture of the n-th time phase removes speed, wherein N≤n≤2;
W is the moisture gross weight removed;
W
n-1for the moisture gross weight removed to the (n-1)th time phase, wherein N≤n≤2; T is total dialysis time;
T
n-1for the total time spent to the (n-1)th time phase, wherein N≤n≤2.
3. volume as claimed in claim 2 leads and the instant dynamic moisture of dialysis automatically removal system, and it is characterized in that, N is 32.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809020.8A CN105457114A (en) | 2015-11-20 | 2015-11-20 | Volume-oriented, real-time and dynamic automatic dialysis water removal system |
| CN201610383950.6A CN105797228A (en) | 2015-11-20 | 2016-06-02 | Volume guiding and real-time dynamic automatic dialysis moisture removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809020.8A CN105457114A (en) | 2015-11-20 | 2015-11-20 | Volume-oriented, real-time and dynamic automatic dialysis water removal system |
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| Publication Number | Publication Date |
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| CN105457114A true CN105457114A (en) | 2016-04-06 |
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| CN201510809020.8A Pending CN105457114A (en) | 2015-11-20 | 2015-11-20 | Volume-oriented, real-time and dynamic automatic dialysis water removal system |
| CN201610383950.6A Pending CN105797228A (en) | 2015-11-20 | 2016-06-02 | Volume guiding and real-time dynamic automatic dialysis moisture removing system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610383950.6A Pending CN105797228A (en) | 2015-11-20 | 2016-06-02 | Volume guiding and real-time dynamic automatic dialysis moisture removing system |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4469593A (en) * | 1982-03-10 | 1984-09-04 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Blood purification apparatus |
| JPH03131267A (en) * | 1989-10-17 | 1991-06-04 | Toray Ind Inc | Dialysis system |
| JP3345099B2 (en) * | 1993-06-28 | 2002-11-18 | 東レ・メディカル株式会社 | Dialysis system |
| IT1276468B1 (en) * | 1995-07-04 | 1997-10-31 | Hospal Dasco Spa | AUTOMATIC DIALYSIS METHOD AND EQUIPMENT |
| EP1413324A4 (en) * | 2001-07-03 | 2008-04-23 | Jms Co Ltd | Blood dialysis apparatus having convenient controlling unit |
| US6796955B2 (en) * | 2002-02-14 | 2004-09-28 | Chf Solutions, Inc. | Method to control blood and filtrate flowing through an extracorporeal device |
| IT1391086B1 (en) * | 2008-07-09 | 2011-11-18 | Gambro Lundia Ab | EXTRACORPOREO BLOOD TREATMENT SYSTEM |
| EP2711036B1 (en) * | 2012-09-21 | 2015-12-30 | Gambro Lundia AB | An apparatus control for extracorporeal blood treatment |
| DE102013108543A1 (en) * | 2013-08-07 | 2015-02-26 | B. Braun Avitum Ag | Apparatus and method for predicting intradialytic parameters |
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2015
- 2015-11-20 CN CN201510809020.8A patent/CN105457114A/en active Pending
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- 2016-06-02 CN CN201610383950.6A patent/CN105797228A/en active Pending
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| CN105797228A (en) | 2016-07-27 |
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Application publication date: 20160406 |