EP2521503A4 - Medical heating device and method with self-limiting electrical heating element - Google Patents

Medical heating device and method with self-limiting electrical heating element Download PDF

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Publication number
EP2521503A4
EP2521503A4 EP11732051.5A EP11732051A EP2521503A4 EP 2521503 A4 EP2521503 A4 EP 2521503A4 EP 11732051 A EP11732051 A EP 11732051A EP 2521503 A4 EP2521503 A4 EP 2521503A4
Authority
EP
European Patent Office
Prior art keywords
self
medical
heating element
heating device
limiting electrical
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.)
Withdrawn
Application number
EP11732051.5A
Other languages
German (de)
French (fr)
Other versions
EP2521503A1 (en
Inventor
Tai C. Cheng
Elbert T. Cheng
Jacqueline T. Cheng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Curo Medical Inc
Original Assignee
Curo Medical Inc
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
Priority claimed from US12/652,262 external-priority patent/US9044232B2/en
Priority claimed from US12/783,714 external-priority patent/US8512335B2/en
Application filed by Curo Medical Inc filed Critical Curo Medical Inc
Publication of EP2521503A1 publication Critical patent/EP2521503A1/en
Publication of EP2521503A4 publication Critical patent/EP2521503A4/en
Withdrawn legal-status Critical Current

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
    • A61B18/1402Probes for open surgery
    • 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
    • A61B18/08Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
    • A61B18/082Probes or electrodes therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • 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
    • A61B18/1477Needle-like probes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320069Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for ablating tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/32007Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with suction or vacuum means
    • 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
    • A61B2018/00053Mechanical features of the instrument of device
    • A61B2018/00059Material properties
    • A61B2018/00071Electrical conductivity
    • A61B2018/00083Electrical conductivity low, i.e. electrically insulating
    • 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
    • A61B2018/00053Mechanical features of the instrument of device
    • A61B2018/00059Material properties
    • A61B2018/00089Thermal conductivity
    • A61B2018/00101Thermal conductivity low, i.e. thermally insulating
    • 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
    • A61B2018/00053Mechanical features of the instrument of device
    • A61B2018/00107Coatings on the energy applicator
    • A61B2018/00136Coatings on the energy applicator with polymer
    • 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
    • A61B2018/00571Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00595Cauterization
    • 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
    • A61B2018/00571Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00601Cutting
    • 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
    • A61B2018/00696Controlled or regulated parameters
    • A61B2018/00702Power or energy
    • 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
    • A61B2018/00821Temperature measured by a thermocouple
    • 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
    • A61B2018/00875Resistance or impedance
    • 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
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1425Needle
    • 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
    • A61B18/1815Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • A61B2018/1869Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument interstitially inserted into the body, e.g. needles
EP11732051.5A 2010-01-05 2011-01-04 Medical heating device and method with self-limiting electrical heating element Withdrawn EP2521503A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/652,262 US9044232B2 (en) 2010-01-05 2010-01-05 Medical heating device and method with self-limiting electrical heating element
US12/783,714 US8512335B2 (en) 2010-05-20 2010-05-20 High frequency alternating current medical device with self-limiting conductive material and method
PCT/US2011/020136 WO2011084957A1 (en) 2010-01-05 2011-01-04 Medical heating device and method with self-limiting electrical heating element

Publications (2)

Publication Number Publication Date
EP2521503A1 EP2521503A1 (en) 2012-11-14
EP2521503A4 true EP2521503A4 (en) 2017-02-08

Family

ID=44305764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11732051.5A Withdrawn EP2521503A4 (en) 2010-01-05 2011-01-04 Medical heating device and method with self-limiting electrical heating element

Country Status (6)

Country Link
EP (1) EP2521503A4 (en)
JP (2) JP6054748B2 (en)
KR (1) KR101844086B1 (en)
CN (1) CN102811676B (en)
BR (1) BR112012016579A2 (en)
WO (1) WO2011084957A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6009779B2 (en) * 2012-02-24 2016-10-19 株式会社アドメテック Tissue coagulation instrument
US9439712B2 (en) 2012-07-12 2016-09-13 Covidien Lp Heat-distribution indicators, thermal zone indicators, electrosurgical systems including same and methods of directing energy to tissue using same
US20140018793A1 (en) * 2012-07-12 2014-01-16 Covidien Lp Heat-distribution indicators, thermal zone indicators, electrosurgical systems including same and methods of directing energy to tissue using same
EP3131488A1 (en) * 2014-04-17 2017-02-22 Boston Scientific Scimed, Inc. Medical devices for therapeutic heat treatments
EP3137004B1 (en) * 2014-04-29 2022-03-23 William Dean Wallace Portable surgical devices for treating neoplastic and hyperplastic cells
JP2016027839A (en) * 2014-07-11 2016-02-25 サンメディカル株式会社 Medical heating device
CN104173105A (en) * 2014-09-18 2014-12-03 安隽医疗科技(南京)有限公司 Novel bipolar ablation needle
CN106137382A (en) * 2015-03-30 2016-11-23 安隽医疗科技(南京)有限公司 Temperature controls
US10285754B2 (en) * 2015-05-18 2019-05-14 Biosense Webster (Israel) Ltd. Catheter with coaxial thermocouple
US9839470B2 (en) * 2015-06-30 2017-12-12 Covidien Lp Electrosurgical generator for minimizing neuromuscular stimulation
JPWO2017130384A1 (en) * 2016-01-29 2018-12-13 オリンパス株式会社 Treatment tool and treatment system
JP7030789B2 (en) * 2016-11-16 2022-03-07 インテグラ ライフサイエンシーズ エンタープライジーズ, エルエルエルピー Ultrasound Surgery Handpiece
US10993557B2 (en) 2018-08-03 2021-05-04 American Sterilizer Company Pressure management warming headrest
CN107994756A (en) * 2017-11-21 2018-05-04 西南石油大学 A kind of heat seeking energy collecting device
CN111372529A (en) * 2017-11-22 2020-07-03 奥林巴斯株式会社 Treatment tool and method for manufacturing treatment tool
CN110403578A (en) * 2019-08-30 2019-11-05 福建医科大学 A kind of heat conducting device measuring skin flap of rats nerve recovery
CN110890795B (en) * 2019-10-14 2021-08-27 宴晶科技(北京)有限公司 Tumor thermal ablation device based on non-contact power supply
CN112054765B (en) * 2020-08-27 2023-01-31 平潭煜想时代科技有限公司 Solar collector power generation method, solar collector and computer equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616660A (en) * 1984-12-10 1986-10-14 Suncoast Medical Manufacturing, Inc. Variable alternating current output nerve locator/stimulator
US6168593B1 (en) * 1997-02-12 2001-01-02 Oratec Interventions, Inc. Electrode for electrosurgical coagulation of tissue
US7070597B2 (en) * 2001-10-18 2006-07-04 Surgrx, Inc. Electrosurgical working end for controlled energy delivery

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026300A (en) 1975-03-14 1977-05-31 Liberty Mutual Method and apparatus for interfacing to nerves
US4411266A (en) 1980-09-24 1983-10-25 Cosman Eric R Thermocouple radio frequency lesion electrode
JPS5923809B2 (en) * 1980-10-29 1984-06-05 株式会社東芝 heat treatment equipment
US4514620A (en) 1983-09-22 1985-04-30 Raychem Corporation Conductive polymers exhibiting PTC characteristics
JPH0321229Y2 (en) * 1985-04-05 1991-05-09
JPH0614937B2 (en) * 1985-09-26 1994-03-02 オリンパス光学工業株式会社 Cautery hemostatic probe
GB8527024D0 (en) * 1985-11-01 1985-12-04 Elmwood Sensors Excess current protection device
JPS62127045A (en) * 1985-11-28 1987-06-09 オリンパス光学工業株式会社 Surgical instrument
US5190517A (en) 1991-06-06 1993-03-02 Valleylab Inc. Electrosurgical and ultrasonic surgical system
JP2547302B2 (en) * 1993-04-09 1996-10-23 恒之 板野 Nail opener
US5345305A (en) 1993-04-22 1994-09-06 Chen Chi Der Aquarium light meter
US5400969A (en) * 1993-09-20 1995-03-28 Keene; Christopher M. Liquid vaporizer and diffuser
US5554679A (en) 1994-05-13 1996-09-10 Cheng; Tai C. PTC conductive polymer compositions containing high molecular weight polymer materials
GB9521772D0 (en) 1995-10-24 1996-01-03 Gyrus Medical Ltd An electrosurgical instrument
US6132426A (en) 1998-05-05 2000-10-17 Daig Corporation Temperature and current limited ablation catheter
US6139545A (en) 1998-09-09 2000-10-31 Vidaderm Systems and methods for ablating discrete motor nerve regions
US6451011B2 (en) 1999-01-19 2002-09-17 Hosheng Tu Medical device having temperature sensing and ablation capabilities
JP2001112771A (en) * 1999-10-20 2001-04-24 Aloka Co Ltd Hemostatic device
US6312392B1 (en) 2000-04-06 2001-11-06 Garrett D. Herzon Bipolar handheld nerve locator and evaluator
US20040030327A1 (en) * 2000-09-12 2004-02-12 Gady Golan Surgical cauterizing instrument particularly useful as a cauterizing scalpel
WO2002089686A1 (en) * 2001-05-10 2002-11-14 Rita Medical Systems, Inc. Rf tissue ablation apparatus and method
US6770072B1 (en) 2001-10-22 2004-08-03 Surgrx, Inc. Electrosurgical jaw structure for controlled energy delivery
CN1214766C (en) * 2002-02-25 2005-08-17 中国科学院理化技术研究所 Flexible cold scalpel probe for freezing treatment of body's cavity tumor
US7483738B2 (en) 2002-11-29 2009-01-27 Power Paper Ltd. Combination stimulating and exothermic heating device and method of use thereof
US7326202B2 (en) * 2003-03-07 2008-02-05 Starion Instruments Corporation Tubular resistance heater with electrically insulating high thermal conductivity core for use in a tissue welding device
US7309849B2 (en) 2003-11-19 2007-12-18 Surgrx, Inc. Polymer compositions exhibiting a PTC property and methods of fabrication
US7476242B2 (en) 2004-01-30 2009-01-13 Ams Research Corporation Electrically heated/phase change probe temperature control
US7220951B2 (en) 2004-04-19 2007-05-22 Surgrx, Inc. Surgical sealing surfaces and methods of use
US20050283148A1 (en) 2004-06-17 2005-12-22 Janssen William M Ablation apparatus and system to limit nerve conduction
CN101516286A (en) 2006-07-28 2009-08-26 特偲芙医药公司 Ablation apparatus and system to limit nerve conduction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616660A (en) * 1984-12-10 1986-10-14 Suncoast Medical Manufacturing, Inc. Variable alternating current output nerve locator/stimulator
US6168593B1 (en) * 1997-02-12 2001-01-02 Oratec Interventions, Inc. Electrode for electrosurgical coagulation of tissue
US7070597B2 (en) * 2001-10-18 2006-07-04 Surgrx, Inc. Electrosurgical working end for controlled energy delivery

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011084957A1 *

Also Published As

Publication number Publication date
JP2017012862A (en) 2017-01-19
JP2013516281A (en) 2013-05-13
BR112012016579A2 (en) 2018-07-31
WO2011084957A1 (en) 2011-07-14
CN102811676A (en) 2012-12-05
KR20120117019A (en) 2012-10-23
KR101844086B1 (en) 2018-03-30
CN102811676B (en) 2017-03-08
EP2521503A1 (en) 2012-11-14
JP6054748B2 (en) 2016-12-27

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