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Temperature indicating electrosurgical apparatus and methods

Info

Publication number
WO2004071278A3
WO2004071278A3 PCT/US2004/003614 US2004003614W WO2004071278A3 WO 2004071278 A3 WO2004071278 A3 WO 2004071278A3 US 2004003614 W US2004003614 W US 2004003614W WO 2004071278 A3 WO2004071278 A3 WO 2004071278A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
temperature
device
indicating
appearance
electrosurgical
Prior art date
Application number
PCT/US2004/003614
Other languages
French (fr)
Other versions
WO2004071278A2 (en )
Inventor
Michael A Baker
Robert H Dahla
James L Pacek
Jean Woloszko
Original Assignee
Arthrocare Corp
Michael A Baker
Robert H Dahla
James L Pacek
Jean Woloszko
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B18/1492Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/01Measuring temperature of body parts; Diagnostic temperature sensing, e.g. for malignant or inflammed tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/01Measuring temperature of body parts; Diagnostic temperature sensing, e.g. for malignant or inflammed tissue
    • A61B5/015By temperature mapping of body part
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00791Temperature
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00791Temperature
    • A61B2018/00809Temperature measured thermochromatically
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0271Thermal or temperature sensors
    • A61B2562/0276Thermal or temperature sensors comprising a thermosensitive compound
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/45For evaluating or diagnosing the musculoskeletal system or teeth
    • A61B5/4528Joints

Abstract

Systems, apparatus, and methods for monitoring temperature at a region near a surgical site during a procedure. A temperature-indicating element (250) of an electrosurgical device (201) comprises an indicator composition adapted to undergo a change in appearance in response to a pre-defined temperature range. The change in appearance of the temperature-indicating element (250) indicates to the operator of the device a temperature condition at the working end of the device.
PCT/US2004/003614 2003-02-05 2004-02-05 Temperature indicating electrosurgical apparatus and methods WO2004071278A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US44540503 true 2003-02-05 2003-02-05
US60/445,405 2003-02-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20040708664 EP1596705A4 (en) 2003-02-05 2004-02-05 Temperature indicating electrosurgical apparatus and methods

Publications (2)

Publication Number Publication Date
WO2004071278A2 true WO2004071278A2 (en) 2004-08-26
WO2004071278A3 true true WO2004071278A3 (en) 2004-11-04

Family

ID=32869360

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/003614 WO2004071278A3 (en) 2003-02-05 2004-02-05 Temperature indicating electrosurgical apparatus and methods

Country Status (3)

Country Link
US (2) US7297143B2 (en)
EP (1) EP1596705A4 (en)
WO (1) WO2004071278A3 (en)

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US7297143B2 (en) 2007-11-20 grant
US20080077128A1 (en) 2008-03-27 application
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US20040186469A1 (en) 2004-09-23 application
EP1596705A2 (en) 2005-11-23 application

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