Sensor calibration method and apparatus
A method of calibrating a sensor comprising performing a first calibration cycle comprising: measuring a first sensor response to exposure to a first calibration fluid having a first concentration at a first temperature; measuring a second sensor response to a second calibration fluid having a secon...
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| creator | NEIL TODD GAVIN L TROUGHTON STEVEN FOWLER |
| description | A method of calibrating a sensor comprising performing a first calibration cycle comprising: measuring a first sensor response to exposure to a first calibration fluid having a first concentration at a first temperature; measuring a second sensor response to a second calibration fluid having a second concentrations at a second temperature; determining a temperature dependence in the sensitivity of the sensor from the first and second response; and performing a second calibration cycle by repeating the first calibration cycle after a time interval; deriving a temperature dependent drift function for the sensor from the difference in the temperature dependence determined in the first and second calibration cycles; and generating a calibration curve including the temperature dependent drift function. Also claimed is an apparatus for monitoring an analyte concentration in a bodily fluid comprising: a sample chamber comprising a sensor; a fluid line connected to the sample chamber; a temperature control element; a signal processor coupled to the sensor; and a computer program for implementing the method of the invention. Preferably the apparatus is a cardiopulmonary bypass apparatus. |
| format | Patent |
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Also claimed is an apparatus for monitoring an analyte concentration in a bodily fluid comprising: a sample chamber comprising a sensor; a fluid line connected to the sample chamber; a temperature control element; a signal processor coupled to the sensor; and a computer program for implementing the method of the invention. Preferably the apparatus is a cardiopulmonary bypass apparatus.</description><language>eng</language><subject>DIAGNOSIS ; HUMAN NECESSITIES ; HYGIENE ; IDENTIFICATION ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; MEDICAL OR VETERINARY SCIENCE ; PHYSICS ; SURGERY ; TESTING</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20141015&DB=EPODOC&CC=GB&NR=2512842A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20141015&DB=EPODOC&CC=GB&NR=2512842A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NEIL TODD</creatorcontrib><creatorcontrib>GAVIN L TROUGHTON</creatorcontrib><creatorcontrib>STEVEN FOWLER</creatorcontrib><title>Sensor calibration method and apparatus</title><description>A method of calibrating a sensor comprising performing a first calibration cycle comprising: measuring a first sensor response to exposure to a first calibration fluid having a first concentration at a first temperature; measuring a second sensor response to a second calibration fluid having a second concentrations at a second temperature; determining a temperature dependence in the sensitivity of the sensor from the first and second response; and performing a second calibration cycle by repeating the first calibration cycle after a time interval; deriving a temperature dependent drift function for the sensor from the difference in the temperature dependence determined in the first and second calibration cycles; and generating a calibration curve including the temperature dependent drift function. Also claimed is an apparatus for monitoring an analyte concentration in a bodily fluid comprising: a sample chamber comprising a sensor; a fluid line connected to the sample chamber; a temperature control element; a signal processor coupled to the sensor; and a computer program for implementing the method of the invention. Preferably the apparatus is a cardiopulmonary bypass apparatus.</description><subject>DIAGNOSIS</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>IDENTIFICATION</subject><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>PHYSICS</subject><subject>SURGERY</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAPTs0rzi9SSE7MyUwqSizJzM9TyE0tychPUUjMA-KCgkSgaGkxDwNrWmJOcSovlOZmkHdzDXH20E0tyI9PLS5ITE7NSy2Jd3cyMjU0sjAxcjQmrAIAFbsnMQ</recordid><startdate>20141015</startdate><enddate>20141015</enddate><creator>NEIL TODD</creator><creator>GAVIN L TROUGHTON</creator><creator>STEVEN FOWLER</creator><scope>EVB</scope></search><sort><creationdate>20141015</creationdate><title>Sensor calibration method and apparatus</title><author>NEIL TODD ; GAVIN L TROUGHTON ; STEVEN FOWLER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB2512842A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><topic>DIAGNOSIS</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>IDENTIFICATION</topic><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>PHYSICS</topic><topic>SURGERY</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>NEIL TODD</creatorcontrib><creatorcontrib>GAVIN L TROUGHTON</creatorcontrib><creatorcontrib>STEVEN FOWLER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NEIL TODD</au><au>GAVIN L TROUGHTON</au><au>STEVEN FOWLER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Sensor calibration method and apparatus</title><date>2014-10-15</date><risdate>2014</risdate><abstract>A method of calibrating a sensor comprising performing a first calibration cycle comprising: measuring a first sensor response to exposure to a first calibration fluid having a first concentration at a first temperature; measuring a second sensor response to a second calibration fluid having a second concentrations at a second temperature; determining a temperature dependence in the sensitivity of the sensor from the first and second response; and performing a second calibration cycle by repeating the first calibration cycle after a time interval; deriving a temperature dependent drift function for the sensor from the difference in the temperature dependence determined in the first and second calibration cycles; and generating a calibration curve including the temperature dependent drift function. Also claimed is an apparatus for monitoring an analyte concentration in a bodily fluid comprising: a sample chamber comprising a sensor; a fluid line connected to the sample chamber; a temperature control element; a signal processor coupled to the sensor; and a computer program for implementing the method of the invention. Preferably the apparatus is a cardiopulmonary bypass apparatus.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE PHYSICS SURGERY TESTING |
| title | Sensor calibration method and apparatus |
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