CA2419494A1 - Oximeter sensor with digital memory encoding patient data - Google Patents

Oximeter sensor with digital memory encoding patient data Download PDF

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Publication number
CA2419494A1
CA2419494A1 CA002419494A CA2419494A CA2419494A1 CA 2419494 A1 CA2419494 A1 CA 2419494A1 CA 002419494 A CA002419494 A CA 002419494A CA 2419494 A CA2419494 A CA 2419494A CA 2419494 A1 CA2419494 A1 CA 2419494A1
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CA
Canada
Prior art keywords
data
patient
storing
oximeter sensor
memory
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.)
Granted
Application number
CA002419494A
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French (fr)
Other versions
CA2419494C (en
Inventor
David Swedlow
Paul D. Mannheimer
Michael E. Fein (Deceased)
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Covidien LP
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Individual
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Publication of CA2419494A1 publication Critical patent/CA2419494A1/en
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Publication of CA2419494C publication Critical patent/CA2419494C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1495—Calibrating or testing of in-vivo probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/08—Sensors provided with means for identification, e.g. barcodes or memory chips
    • A61B2562/085—Sensors provided with means for identification, e.g. barcodes or memory chips combined with means for recording calibration data
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7232—Signal processing specially adapted for physiological signals or for diagnostic purposes involving compression of the physiological signal, e.g. to extend the signal recording period
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/911—Medical electronics

Abstract

The present invention provides a memory chip for use in an oximeter sensor, or an associated adapter or connector circuit. The memory chip allows the storing of patient related data, such as patient trending data or a patient ID, to provide enhanced capabilities for the oximeter sensor. In addition to providing unique data to store in such a memory, the present invention include unique uses of the data stored in such a memory.

Claims (32)

1. An oximeter sensor comprising:
a light emitting element;
a light detecting element; and a memory device for storing digital data, said digital data comprising trending data expected for a particular patient.
2. The oximeter sensor of claim 1 wherein said memory device encodes trending data including blood oxygen saturation data specific to a patient.
3. The oximeter sensor of claim 2 wherein said memory device encodes a highest and a lowest blood oxygen saturation level monitored during a period of time.
4. The oximeter sensor of claim 1 wherein said memory device encodes trending data including pulse rate data specific to a patient.
5. The oximeter sensor of claim 1 wherein said memory device encodes a duration of time that a patient parameter decoded from signals received from said light detecting element exceeded or fell below the expected trending data.
6. The oximeter sensor of claim 1 wherein said memory device encodes pulse amplitude data for a patient.
7. An oximeter sensor comprising:
a light emitting element;
a light detecting element; and a memory device for storing digital data, said digital data comprising a patient identification code.
8 . An oximeter sensor comprising:
a light emitting element;
a light detecting element; and a memory device for storing digital data, said digital data comprising a length of time that a patient has been monitored using the oximeter sensor.
9. An oximeter sensor comprising:
a light emitting element;
10 a light detecting element; and a memory device for storing digital data, said digital data comprising a time when an oximeter monitor coupled to the oximeter sensor was turned on or turned off.

10. An oximeter sensor comprising:
a light emitting element;
a light detecting element; and a memory device for storing digital data, said digital data comprising oximeter alarm limit values that are patient-specific.
11. The oximeter sensor of claim 10 wherein the alarm limit is a maximum or minimum blood oxygen saturation level.
12. The oximeter sensor of claim 10 wherein the alarm limit is a maximum or minimum pulse rate.
13. The oximeter sensor of claim 10 wherein said memory device encodes patient trending data after an alarm limit value has been reached.
14. The oximeter sensor of claim 13 wherein said patient trending data comprises perfusion data.
15. The oximeter sensor of claim 13 wherein said patient trending data comprises blood oxygen saturation levels.
16. The oximeter sensor of claim 10 wherein said memory device encodes a patient trending data periodically before an alarm limit value has been reached.
17. The oximeter sensor of claim 16 wherein said patient trending data comprises blood oxygen saturation levels.
18 . The oximeter sensor of claim 16 wherein said patient trending data comprises blood perfusion data.
19. The oximeter sensor of claim 10 wherein said memory device encodes a time that an alarm limit was initially breached.
20. A method for storing data in an oximeter sensor, the method comprising:
emitting light from a light emitting element;
detecting light from the light emitting element using a photodetector; and storing digitally encoded data in a memory in the sensor, the digitally encoded data including a patient ID; and tracking patient information using the patient ID.
21. A method for storing data in an oximeter sensor, the method comprising:
emitting light from a light emitting element;.
detecting light from the light emitting element using a photodetector; and storing digitally encoded data in a memory in the sensor, the digitally encoded data comprising trending data expected for a specific patient.
22. The method of claim 21 wherein storing the digitally encoded data in the memory further comprises storing an expected range for blood oxygen saturation levels specific to a patient in the memory.
23. The method of claim 21 wherein storing the digitally encoded data in the memory further comprises storing a highest and a lowest blood oxygen saturation level for the patient during a period of time in the memory.
24. The method of claim 21 wherein storing the digitally encoded data in the memory further comprises storing an expected range for patient-specific pulse rate data in the memory.
25. The method of claim 21 wherein storing the digitally encoded data in the memory further comprises storing a length of time that the patient has been monitored using the oximeter sensor in the memory.
26. The method of claim 21 wherein storing the digitally encoded data in the memory further comprises storing expected blood perfusion data for the patient in the memory.
27. The method of claim 21 wherein storing the digitally encoded data in the memory further comprises storing oximeter alarm limit values that are patient-specific in the memory.
28. The method of claim 27 wherein storing the digitally encoded data in the memory further comprises storing monitored patient trending data received from the photodetector in the memory after one of the alarm limit values has been reached.
29. The method of claim 27 wherein storing the digitally encoded data in the memory further comprises storing a time that one of the alarm limit values was breached.
30. The method of claim 27 wherein one of the alarm limit values is a patient specific blood oxygen saturation level.
31. A method for storing data in an oximeter sensor, the method comprising:
emitting light from a light emitting element;
detecting light from the light emitting element using a photodetector; and storing digitally encoded data in a memory in the sensor, the digitally encoded data comprising a time when an oximeter monitor coupled to the oximeter sensor was turned on or turned off in the memory.
32. A method for storing data in an oximeter sensor, the method comprising:
emitting light from a light emitting element;
detecting light from the light emitting element using a photodetector; and storing digitally encoded data in a memory in the sensor, the digitally encoded data comprising a duration of time that a patient has been monitored using said oximeter sensor.
CA2419494A 2000-08-31 2001-08-31 Oximeter sensor with digital memory encoding patient data Expired - Lifetime CA2419494C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US22961600P 2000-08-31 2000-08-31
US60/229,616 2000-08-31
US09/943,899 2001-08-30
US09/943,899 US6606510B2 (en) 2000-08-31 2001-08-30 Oximeter sensor with digital memory encoding patient data
PCT/US2001/027071 WO2002017778A1 (en) 2000-08-31 2001-08-31 Oximeter sensor with digital memory encoding patient data

Publications (2)

Publication Number Publication Date
CA2419494A1 true CA2419494A1 (en) 2002-03-07
CA2419494C CA2419494C (en) 2011-11-01

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CA2419494A Expired - Lifetime CA2419494C (en) 2000-08-31 2001-08-31 Oximeter sensor with digital memory encoding patient data

Country Status (9)

Country Link
US (24) US6606510B2 (en)
EP (1) EP1315446B1 (en)
JP (1) JP2004507307A (en)
AT (1) ATE392852T1 (en)
AU (2) AU8693901A (en)
CA (1) CA2419494C (en)
DE (1) DE60133748T2 (en)
ES (1) ES2305101T3 (en)
WO (1) WO2002017778A1 (en)

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