CN202236532U - Hemodialysis machine detector - Google Patents
Hemodialysis machine detector Download PDFInfo
- Publication number
- CN202236532U CN202236532U CN2011203866402U CN201120386640U CN202236532U CN 202236532 U CN202236532 U CN 202236532U CN 2011203866402 U CN2011203866402 U CN 2011203866402U CN 201120386640 U CN201120386640 U CN 201120386640U CN 202236532 U CN202236532 U CN 202236532U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- converter
- signal output
- control unit
- dialysate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000001631 haemodialysis Methods 0.000 title claims abstract description 25
- 230000000322 hemodialysis Effects 0.000 title abstract description 5
- 239000000385 dialysis solution Substances 0.000 claims abstract description 7
- 210000003462 vein Anatomy 0.000 claims abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 230000004872 arterial blood pressure Effects 0.000 claims description 4
- 210000001367 artery Anatomy 0.000 abstract 1
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 101100284769 Drosophila melanogaster hemo gene Proteins 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000502 dialysis Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- External Artificial Organs (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The utility model provides a hemodialysis machine detector, includes working power supply, singlechip, conductivity sensor: collecting current flowing through a polar plate of the hemodialysis machine, wherein the signal output end of the current is sequentially connected with a first AD converter and a singlechip; a temperature sensor: collecting the temperature of the dialysate, wherein the signal output end of the dialysate is sequentially connected with a second AD converter and a singlechip; first and second pressure sensors: respectively collecting the pressure of the dialysis fluid and the pressure of veins or arteries, and sequentially connecting a signal output end of the dialysis fluid with a third AD converter and a singlechip; a flow sensor: collecting the flow of the dialysate, wherein the signal output end of the dialysate is sequentially connected with a fourth AD converter and a singlechip; the signal output end of the pH electrode is sequentially connected with a fifth AD converter and the singlechip; the LCD display is connected with the single chip microcomputer. The utility model discloses conductivity, temperature, pressure, flow and pH value to hemodialysis machine detect simultaneously, fast, reducible user's measuring time has convenient operation, detects timely characteristics.
Description
Technical field
This utility model relates to the detector of haemodialysis control unit, particularly the detector of electrical conductivity, pH value, temperature, flow and the pressure and other parameters of while fast detecting haemodialysis control unit.
Background technology
The continuous development of haemodialysis control unit, when bringing benefit for people, its security performance is the matter of utmost importance that manufacturer and user are considered.The calibration problem of existing haemodialysis control unit electrical conductivity, pH value, temperature, flow and pressure and other parameters when work; Never be well solved; Promptly do not have relevant detection instrument (having only the detection of single or two or three parameters) to come out, the user of haemodialysis control unit is felt unsure of when clinical use.
The utility model content
The purpose of this utility model provides a kind of haemodialysis control unit detector that haemodialysis control unit electrical conductivity, pH value, temperature, pressure and flow is carried out simultaneously, fast verification.
This novel purpose is achieved in that a kind of haemodialysis control unit detector, comprises working power, single-chip microcomputer,
Conductivity sensor: acquisition stream is crossed the electric current of the pole plate of haemodialysis control unit, and its signal output part connects first AD converter and said single-chip microcomputer in order;
Temperature sensor: gather dialysate temperature, its signal output part connects second AD converter and said single-chip microcomputer in order;
First pressure transducer: gather dialysate pressure, its signal output part connects the 3rd AD converter and said single-chip microcomputer in order;
Second pressure transducer: gather vein or arterial pressure, its signal output part connects the 3rd AD converter and said single-chip microcomputer in order;
Flow transducer: gather dialysate flow, its signal output part connects the 4th AD converter and said single-chip microcomputer in order;
PH electrode: measure the dialysis solution pH value, its signal output part connects the 5th AD converter and said single-chip microcomputer in order;
LCD display: be connected with said single-chip microcomputer.
Also have keyboard, keyboard is connected with said single-chip microcomputer.
Above-mentioned single-chip microcomputer model is STM32F103.
Above-mentioned working power is lithium battery and/or power supply adaptor.
Also has Bluetooth chip; Bluetooth chip is connected with said single-chip microcomputer.
The beneficial effect of this utility model is: this hemo system detector to five parameters simultaneously, measure fast, its measured value is accurately and reliably.
The important technological parameters of this device:
Conductivity range (0～200) mS/cm, allowable error ± 0.04 mS/cm;
Temperature range (25～100) ℃, the limits of error: ± 0.1 ℃;
Quiet (moving) pulse pressure scope (40～60) kPa, the limits of error: ± 0.27 kPa;
Dialysate pressure scope (0.1～25) MPa, the limits of error: ± 0.67 kPa;
PH scope (0～14) pH, the limits of error: ± 0.02pH;
Range of flow (0～2000) mL/min, the limits of error: ± 1.5%.
Haemodialysis control unit detector advantages of small volume, easy to operate, be easy to carry, possess cost performance preferably.Hemodialysis detector software is easy to use, can carry out the setting and the detection of multiple parameters, reduces the Measuring Time of user, and for improving the therapeutic effect of blood samples of patients dialysis, the peril that reduces in the blood dialysis provides important basis simultaneously.
Description of drawings
Fig. 1 is this novel hardware block diagram.
Fig. 2 is this novel trace routine flow chart.
The specific embodiment
Fig. 1 illustrates, and this is novel by conductivity sensor, temperature sensor, pressure transducer, flow transducer and pH pick off and corresponding AD converter thereof, compositions such as single-chip microcomputer, display, keyboard and working power.Detector is formed as follows: conductivity sensor: acquisition stream is crossed the electric current of the pole plate of haemodialysis control unit, is converted into electrical conductivity, and its signal output part connects first AD converter and single-chip microcomputer in order; Temperature sensor: gather dialysate temperature, be used to calculate mean temperature, its signal output part connects second AD converter and single-chip microcomputer in order; First pressure transducer and second pressure transducer are gathered dialysis solution and vein or arterial pressure respectively, are used to calculate average pressure, and its signal output part connects the 3rd AD converter and single-chip microcomputer in order; Flow transducer: gather dialysate flow, its signal output part connects the 4th AD converter and single-chip microcomputer in order; PH electrode: measure the dialysis solution pH value, its signal output part connects the 5th AD converter and single-chip microcomputer in order; LCD display is connected with single-chip microcomputer.Keyboard is connected with single-chip microcomputer.
The hemo system detector is the intelligent checkout gear according to national measurement and calibration standard development.The probe of six pick offs of this detector detects electrical conductivity, temperature, dialysate pressure, vein or arterial pressure, flow, the pH value of blood dialysis solution respectively.Sensor output signal is a standard 4-20mA current signal, converts voltage signal to through I/V, and A/D converts the digital signal of monolithic function identification to, at last through the processing of single-chip microcomputer (model STM32F103), on LCD, demonstrates the value of each parameter.The haemodialysis control unit detector can satisfy user's different needs through wired (RS-232) and wireless (Bluetooth chip is connected with single-chip microcomputer) dual mode communication.The haemodialysis control unit detector has adopted the multiple feed mode of lithium battery and/or external power adapter, and when no external power source, instrument is by lithium battery power supply, when the lithium battery quantity not sufficient or when external power source is arranged, and can be by external power source.The pick off of pH, pressure, electrical conductivity, temperature and flow adopts transmitter mode, and multichannel acquisition technique is simultaneously adopted in data acquisition, realizes the mutual correction and the calculating of data, and computer data is handled and shown and adopts multithread mode.
Claims (5)
1. a haemodialysis control unit detector comprises, working power, and single-chip microcomputer is characterized in that,
Conductivity sensor: acquisition stream is crossed the electric current of the pole plate of haemodialysis control unit, and its signal output part connects first AD converter and said single-chip microcomputer in order;
Temperature sensor: gather dialysate temperature, its signal output part connects second AD converter and said single-chip microcomputer in order;
First pressure transducer: gather dialysate pressure, its signal output part connects the 3rd AD converter and said single-chip microcomputer in order;
Second pressure transducer: gather vein or arterial pressure, its signal output part connects the 3rd AD converter and said single-chip microcomputer in order;
Flow transducer: gather dialysate flow, its signal output part connects the 4th AD converter and said single-chip microcomputer in order;
PH electrode: measure the dialysis solution pH value, its signal output part connects the 5th AD converter and said single-chip microcomputer in order;
LCD display: be connected with said single-chip microcomputer.
2. haemodialysis control unit detector according to claim 1 is characterized in that, also has keyboard, and keyboard is connected with said single-chip microcomputer.
3. haemodialysis control unit detector according to claim 2 is characterized in that, said single-chip microcomputer model is STM32F103.
4. according to the described haemodialysis control unit detector of the arbitrary claim of claim 1～3, it is characterized in that said working power is lithium battery and/or power supply adaptor.
5. haemodialysis control unit detector according to claim 4 is characterized in that, also has Bluetooth chip; Bluetooth chip is connected with said single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203866402U CN202236532U (en) | 2011-10-12 | 2011-10-12 | Hemodialysis machine detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203866402U CN202236532U (en) | 2011-10-12 | 2011-10-12 | Hemodialysis machine detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202236532U true CN202236532U (en) | 2012-05-30 |
Family
ID=46097846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203866402U Expired - Lifetime CN202236532U (en) | 2011-10-12 | 2011-10-12 | Hemodialysis machine detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202236532U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884369A (en) * | 2014-01-10 | 2014-06-25 | 中国计量科学研究院 | Hemodialysis machine detector performance automatic calibration system |
| CN103920202A (en) * | 2014-04-25 | 2014-07-16 | 昆山韦睿医疗科技有限公司 | Signal acquisition device and method |
| CN104133043A (en) * | 2014-08-04 | 2014-11-05 | 骐骥生物科技（广州）有限公司 | Dialysate detector of hemodialysis machine |
| CN105013031A (en) * | 2015-07-03 | 2015-11-04 | 广州市红十字会医院 | Fully automatic carbonate peritoneal dialysis device and dialysis method |
| CN109224161A (en) * | 2018-10-31 | 2019-01-18 | 昆明医科大学第附属医院 | A kind of hemodialysis system of adjustable potassium concentration |
-
2011
- 2011-10-12 CN CN2011203866402U patent/CN202236532U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884369A (en) * | 2014-01-10 | 2014-06-25 | 中国计量科学研究院 | Hemodialysis machine detector performance automatic calibration system |
| CN103920202A (en) * | 2014-04-25 | 2014-07-16 | 昆山韦睿医疗科技有限公司 | Signal acquisition device and method |
| CN104133043A (en) * | 2014-08-04 | 2014-11-05 | 骐骥生物科技（广州）有限公司 | Dialysate detector of hemodialysis machine |
| CN105013031A (en) * | 2015-07-03 | 2015-11-04 | 广州市红十字会医院 | Fully automatic carbonate peritoneal dialysis device and dialysis method |
| CN109224161A (en) * | 2018-10-31 | 2019-01-18 | 昆明医科大学第附属医院 | A kind of hemodialysis system of adjustable potassium concentration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151022 Address after: 610056 Sichuan city of Chengdu province Yushuang Road No. 10 Patentee after: Radiation Institute of NIMTT Address before: 610056 Sichuan city of Chengdu province Chenghua District Yushuang Road No. 10 Building Room 204 Patentee before: Sichuan Zhongce Technology Development Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |