CN106730090A - Automated peritoneal dialysis machine pressure sensor condition checkout gear and method - Google Patents
Automated peritoneal dialysis machine pressure sensor condition checkout gear and method Download PDFInfo
- Publication number
- CN106730090A CN106730090A CN201611146341.5A CN201611146341A CN106730090A CN 106730090 A CN106730090 A CN 106730090A CN 201611146341 A CN201611146341 A CN 201611146341A CN 106730090 A CN106730090 A CN 106730090A
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- China
- Prior art keywords
- pressure sensor
- gas circuit
- gas
- circuit chamber
- valve
- 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.)
- Pending
Links
- 238000000502 dialysis Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 abstract description 5
- 230000001225 therapeutic effect Effects 0.000 abstract description 5
- 210000000683 abdominal cavity Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003734 kidney Anatomy 0.000 description 2
- 239000003053 toxin Substances 0.000 description 2
- 231100000765 toxin Toxicity 0.000 description 2
- 108700012359 toxins Proteins 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003907 kidney function Effects 0.000 description 1
- 238000009256 replacement therapy Methods 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
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
-
- 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
- A61M1/1621—Constructional aspects thereof
-
- 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Urology & Nephrology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Cardiology (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of automated peritoneal dialysis machine pressure sensor condition checkout gear and method, the method includes：Control unit controls the 3rd valve open-minded, by gas circuit chamber and atmosphere；Gas in emptying gas circuit chamber, until gas circuit chamber is identical with the atmospheric pressure value in air；Control unit control pressure sensor reads the pressure value in gas circuit chamber, and is compared with Reference pressure value, judges the state of pressure sensor；If pressure sensor is normal condition, with Reference pressure value absolute difference on the basis of minimum pressure sensor, pressure sensor is calibrated.The present invention can detect the state of the pressure sensor of detection gas pressure in automatic dialysis machine, and be corrected, it is to avoid the pressure controling precision of automated peritoneal dialysis machine be influenceed because of pressure sensor hydraulic performance decline, so as to influence therapeutic effect.
Description
Technical field
The present invention relates to automated peritoneal dialysis field, particularly a kind of automated peritoneal dialysis machine is examined with pressure sensor state
Survey device and method.
Background technology
One of effective ways of nephrotic's renal function replacement therapy during peritoneal dialysis, because the shortage of kidney source causes kidney transplant
Patient it is gradually few, and the patient of Blood Dialyzing Center at different levels gradually saturation, peritoneal dialysis is just used by increasing patient.
In peritoneal dialysis automated peritoneal dialysis due to be remarkably improved patient quality of life, dialysis-effect is good, be difficult to cause with
The advantages of operating related complication, it is contemplated that explosive growth will be welcome in The Next 3-5 Years.
Dialyzate is injected abdominal cavity by peritoneal dialysis, and dialyzate is swapped with toxins in human body in abdominal cavity, then toxin with
Dialyzate excludes external.Power source is provided by pump in automated peritoneal dialysis machine, by the conduit of insertion abdominal cavity of patients
To be input into, draw dialyzate, during input, drawing dialyzate, the flowing of dialyzate is realized by gas, in the process
Need to detect the gas pressure of each part by pressure sensor.The automated peritoneal dialysis device of prior art, lacks
Few detection to pressure sensor performance.In equipment running process, the frequency of use of pressure sensor is high, may make
The hydraulic performance decline of pressure sensor, influences the Stress control of automated peritoneal dialysis machine, so as to influence therapeutic effect.
The content of the invention
It is an object of the invention to provide a kind of automated peritoneal dialysis machine pressure sensor condition checkout gear and method,
The performance of pressure sensor can be detected, and is corrected, it is to avoid because of pressure sensor hydraulic performance decline influence peritoneal dialysis machine
Stress control.
The technical scheme for realizing the object of the invention is：A kind of automated peritoneal dialysis machine is filled with pressure sensor state-detection
Put, including gas circuit chamber, control unit, pressure sensor, source of the gas, the first valve, the second valve and the 3rd valve；
The gas circuit chamber is arranged in peritoneal dialysis machine, for storing gas；
The pressure sensor is connected with gas circuit chamber, the atmospheric pressure value for detecting gas circuit chamber；
The source of the gas is connected by the first valve and the second valve with air pressure chamber, for being input into gas to air pressure chamber；
3rd valve is used to control gas circuit chamber to be connected with ambient atmosphere；
Described control unit is used to control the opening and closing of source of the gas, by controlling the first valve, the second valve, the 3rd valve
Door open and closes control gas turnover gas circuit chamber.
A kind of state-detection and calibration side based on the automated peritoneal dialysis machine with pressure sensor condition checkout gear
Method, comprises the following steps：
Control unit controls the 3rd valve open-minded, by gas circuit chamber and atmosphere；
Gas in emptying gas circuit chamber, until gas circuit chamber is identical with the atmospheric pressure value in air；
Control unit control pressure sensor reads the pressure value in gas circuit chamber, and is compared with Reference pressure value,
Judge the state of pressure sensor；
It is base with the minimum pressure sensor of Reference pressure value absolute difference if pressure sensor is normal condition
Standard, calibrates to pressure sensor.
Compared with prior art, remarkable advantage of the invention is：
The present invention can detect the state of the pressure sensor of detection gas pressure in automatic dialysis machine, and carry out school
Just, it is to avoid the pressure controling precision of automated peritoneal dialysis machine is influenceed because of pressure sensor hydraulic performance decline, so as to influence therapeutic effect.
Brief description of the drawings
Fig. 1 is automated peritoneal dialysis machine pressure sensor condition checkout gear schematic diagram of the present invention.
Fig. 2 is detection and the embodiment schematic diagram of calibration method of pressure sensor state of the present invention.
Fig. 3 is pressure sensor condition adjudgement process schematic in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
With reference to Fig. 1, a kind of automated peritoneal dialysis machine pressure sensor condition checkout gear of the invention, including gas circuit chamber
Room, control unit, pressure sensor, source of the gas, the first valve, the second valve and the 3rd valve；
The gas circuit chamber is arranged in peritoneal dialysis machine, for storing gas；
The pressure sensor is connected with gas circuit chamber, the atmospheric pressure value for detecting gas circuit chamber；
The source of the gas is connected by the first valve and the second valve with air pressure chamber, for being input into gas to air pressure chamber；
3rd valve is used to control gas circuit chamber to be connected with ambient atmosphere；
Described control unit is used to control the opening and closing of source of the gas, by controlling the first valve, the second valve, the 3rd valve
Door open and closes control gas turnover gas circuit chamber.
The present invention also provides a kind of state based on the automated peritoneal dialysis machine pressure sensor condition checkout gear
Detection and calibration method, comprise the following steps：
Control unit controls the 3rd valve open-minded, by gas circuit chamber and atmosphere；
Gas in emptying gas circuit chamber, until gas circuit chamber is identical with the atmospheric pressure value in air；
Control unit control pressure sensor reads the pressure value in gas circuit chamber, and is compared with Reference pressure value,
Judge the state of pressure sensor；
It is base with the minimum pressure sensor of Reference pressure value absolute difference if pressure sensor is normal condition
Standard, calibrates to pressure sensor.
Further, the method for judging pressure sensor state is：
Judged with the absolute value of Reference pressure value difference value according to pressure sensor, if absolute difference is less than threshold value
Represent that pressure sensor state is normal, otherwise pressure sensor abnormal state.
Further, the threshold value is 3mbar.
With reference to specific embodiment, the invention will be further described.
Embodiment
As shown in Fig. 2 Fig. 2 is the schematic diagram of pressure sensor state-detection of the present invention and calibration method.In the present embodiment,
Pressure sensor state-detection and calibration method are specifically included：
S1, control unit controls the 3rd valve open-minded, and gas circuit chamber is connected with air；
S2, gas in emptying gas circuit chamber, after waiting certain hour, gas circuit chamber is identical with the atmospheric pressure value in air；
S3, control unit control pressure sensor reads the pressure value in gas circuit chamber, and is compared with Reference pressure value
Compared with determining the state of pressure sensor；
It is base with the minimum pressure sensor of Reference pressure value absolute difference if pressure sensor is normal condition
Standard, calibrates to pressure sensor；
Referring to Fig. 3, the state of sensor is determined according to the reading value of pressure sensor 2 and Reference pressure value difference value；Reference gas
Pressure value takes the atmospheric pressure of peritoneal dialysis machine local environment in theory, it is actually used in due to objective factor, atmospheric value is all provided with
It is 0mbar, absolute difference represents that pressure sensor state is normal within 3mbar, then represents that pressure is passed more than or equal to 3mbar
Sensor abnormal state.
S4, repeats S1, S2, S3, detects all pressure sensor states of peritoneal dialysis machine；
S5, when all pressure sensor states are normal, carries out peritoneal dialysis machine pressure sensor calibration.Pressure sensing
There is individual difference in device, to realize that peritoneal dialysis machine normally runs, improve due to structure, precision aspect reason, pressure sensor
Control accuracy, pressure sensor is calibrated, it is possible to reduce deviation, improves peritoneal dialysis machine running precision box therapeutic effect.
In sum, the embodiment of the present invention provide it is a kind of existing peritoneal dialysis is carried out with pressure sensor state detection and
The method of calibration, can detect pressure sensor state in peritoneal dialysis device, it is to avoid because of the influence of pressure sensor hydraulic performance decline
The precision of fluid control, improves therapeutic effect.
Claims (4)
1. a kind of automated peritoneal dialysis machine pressure sensor condition checkout gear, it is characterised in that including gas circuit chamber, control
Unit, pressure sensor, source of the gas, the first valve, the second valve and the 3rd valve；
The gas circuit chamber is arranged in peritoneal dialysis machine, for storing gas；
The pressure sensor is connected with gas circuit chamber, the atmospheric pressure value for detecting gas circuit chamber；
The source of the gas is connected by the first valve and the second valve with air pressure chamber, for being input into gas to air pressure chamber；
3rd valve is used to control gas circuit chamber to be connected with ambient atmosphere；
Described control unit is used to control the opening and closing of source of the gas, by controlling the first valve, the second valve, the 3rd valve
Open and close to control gas to pass in and out gas circuit chamber.
2. a kind of automated peritoneal dialysis machine based on described in claim 1 state-detection of pressure sensor condition checkout gear
And calibration method, it is characterised in that comprise the following steps：
Control unit controls the 3rd valve open-minded, by gas circuit chamber and atmosphere；
Gas in emptying gas circuit chamber, until gas circuit chamber is identical with the atmospheric pressure value in air；
Control unit control pressure sensor reads the pressure value in gas circuit chamber, and is compared with Reference pressure value, judges
The state of pressure sensor；
It is right with Reference pressure value absolute difference on the basis of minimum pressure sensor if pressure sensor is normal condition
Pressure sensor is calibrated.
3. automated peritoneal dialysis machine pressure sensor state-detection and calibration method according to claim 2, its feature exists
In the method for judging pressure sensor state is：
Judged with the absolute value of Reference pressure value difference value according to pressure sensor, represented if absolute difference is less than threshold value
Pressure sensor state is normal, otherwise pressure sensor abnormal state.
4. automated peritoneal dialysis machine pressure sensor state-detection and calibration method according to claim 2, its feature exists
In the threshold value is 3mbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611146341.5A CN106730090A (en) | 2016-12-13 | 2016-12-13 | Automated peritoneal dialysis machine pressure sensor condition checkout gear and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611146341.5A CN106730090A (en) | 2016-12-13 | 2016-12-13 | Automated peritoneal dialysis machine pressure sensor condition checkout gear and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106730090A true CN106730090A (en) | 2017-05-31 |
Family
ID=58880742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611146341.5A Pending CN106730090A (en) | 2016-12-13 | 2016-12-13 | Automated peritoneal dialysis machine pressure sensor condition checkout gear and method |
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| Country | Link |
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| CN (1) | CN106730090A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273047A (en) * | 1993-03-10 | 1993-12-28 | Merit Medical Systems, Inc. | Transducer housing with a calibration port |
| TW506840B (en) * | 2000-07-10 | 2002-10-21 | Deka Products Lp | Apparatus and method for regulating fluid pump pressures |
| JP2011030880A (en) * | 2009-08-04 | 2011-02-17 | Nikkiso Co Ltd | Method for calibrating blood removal pressure detecting means, and blood purifying apparatus |
| CN103619372A (en) * | 2011-03-23 | 2014-03-05 | 纳科斯达格医药股份有限公司 | Peritoneal dialysis system, device and method |
| CN105203258A (en) * | 2015-09-21 | 2015-12-30 | 西安近代化学研究所 | Quasi static pressure calibration device of quasi static pressure sensor |
| US20160101278A1 (en) * | 2014-06-05 | 2016-04-14 | DEKA Products Limited Partner | Medical Treatment System and Methods Using a Plurality of Fluid Lines |
| CN205228741U (en) * | 2015-10-29 | 2016-05-11 | 北京高铁三瑞电子技术有限公司 | Examination wind executor and micro -control train braking testing system |
| CN206621593U (en) * | 2016-12-13 | 2017-11-10 | 中国船舶重工集团公司第七一六研究所 | Automated peritoneal dialysis machine pressure sensor condition checkout gear |
-
2016
- 2016-12-13 CN CN201611146341.5A patent/CN106730090A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273047A (en) * | 1993-03-10 | 1993-12-28 | Merit Medical Systems, Inc. | Transducer housing with a calibration port |
| TW506840B (en) * | 2000-07-10 | 2002-10-21 | Deka Products Lp | Apparatus and method for regulating fluid pump pressures |
| JP2011030880A (en) * | 2009-08-04 | 2011-02-17 | Nikkiso Co Ltd | Method for calibrating blood removal pressure detecting means, and blood purifying apparatus |
| CN103619372A (en) * | 2011-03-23 | 2014-03-05 | 纳科斯达格医药股份有限公司 | Peritoneal dialysis system, device and method |
| US20160101278A1 (en) * | 2014-06-05 | 2016-04-14 | DEKA Products Limited Partner | Medical Treatment System and Methods Using a Plurality of Fluid Lines |
| CN105203258A (en) * | 2015-09-21 | 2015-12-30 | 西安近代化学研究所 | Quasi static pressure calibration device of quasi static pressure sensor |
| CN205228741U (en) * | 2015-10-29 | 2016-05-11 | 北京高铁三瑞电子技术有限公司 | Examination wind executor and micro -control train braking testing system |
| CN206621593U (en) * | 2016-12-13 | 2017-11-10 | 中国船舶重工集团公司第七一六研究所 | Automated peritoneal dialysis machine pressure sensor condition checkout gear |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 222061 No.18, Shenghu Road, Lianyungang City, Jiangsu Province Applicant after: The 716th Research Institute of China Shipbuilding Corp. Applicant after: JIANGSU JARI TECHNOLOGY GROUP Co.,Ltd. Address before: 222061 No.18, Shenghu Road, Lianyungang City, Jiangsu Province Applicant before: 716TH RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. Applicant before: JIANGSU JARI TECHNOLOGY GROUP Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |