SG10201912876QA - Electrosurgical instrument with impedance transformer for delivering microwave energy - Google Patents

Electrosurgical instrument with impedance transformer for delivering microwave energy

Info

Publication number
SG10201912876QA
SG10201912876QA SG10201912876QA SG10201912876QA SG10201912876QA SG 10201912876Q A SG10201912876Q A SG 10201912876QA SG 10201912876Q A SG10201912876Q A SG 10201912876QA SG 10201912876Q A SG10201912876Q A SG 10201912876QA SG 10201912876Q A SG10201912876Q A SG 10201912876QA
Authority
SG
Singapore
Prior art keywords
microwave energy
electrosurgical instrument
impedance transformer
delivering microwave
delivering
Prior art date
Application number
SG10201912876QA
Other languages
English (en)
Inventor
Christopher Paul Hancock
Malcolm White
Patrick Burn
Original Assignee
Creo Medical Ltd
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
Application filed by Creo Medical Ltd filed Critical Creo Medical Ltd
Publication of SG10201912876QA publication Critical patent/SG10201912876QA/en

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
    • A61B18/18Surgical 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
    • 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
    • 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
    • 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
    • A61B2018/00077Electrical conductivity high, i.e. electrically conducting
    • 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
    • A61B2018/00315Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00529Liver
    • 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
    • A61B2018/00577Ablation
    • 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
    • A61B2018/00589Coagulation
    • 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
    • A61B2018/00642Sensing and controlling the application of energy with feedback, i.e. closed loop control
    • 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
    • A61B2018/00732Frequency
    • 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
    • A61B2018/00779Power 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
    • A61B2018/00875Resistance 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
    • A61B2018/147Electrodes transferring energy by capacitive coupling, i.e. with a dielectricum between electrode and target tissue
    • 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
    • A61B2018/1823Generators therefor
    • 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
    • A61B2018/1861Surgical 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 inserted into a body lumen or cavity, e.g. a catheter

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Otolaryngology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Surgical Instruments (AREA)
  • Electrotherapy Devices (AREA)
SG10201912876QA 2015-06-19 2016-06-17 Electrosurgical instrument with impedance transformer for delivering microwave energy SG10201912876QA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1510787.3A GB2539494A (en) 2015-06-19 2015-06-19 Electrosurgical Instrument

Publications (1)

Publication Number Publication Date
SG10201912876QA true SG10201912876QA (en) 2020-02-27

Family

ID=53784180

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201912876QA SG10201912876QA (en) 2015-06-19 2016-06-17 Electrosurgical instrument with impedance transformer for delivering microwave energy

Country Status (14)

Country Link
US (2) US11083522B2 (fr)
EP (2) EP3498209A1 (fr)
JP (2) JP6820602B2 (fr)
KR (1) KR20180019649A (fr)
CN (2) CN107809979B (fr)
AU (2) AU2016278100B2 (fr)
BR (1) BR112017025884B1 (fr)
CA (1) CA2988848A1 (fr)
ES (1) ES2731154T3 (fr)
GB (1) GB2539494A (fr)
HK (2) HK1252117A1 (fr)
PT (1) PT3310284T (fr)
SG (1) SG10201912876QA (fr)
WO (1) WO2016203257A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2559595B (en) * 2017-02-10 2021-09-01 Creo Medical Ltd Electrosurgical apparatus and electrosurgical instrument
GB2559604A (en) * 2017-02-13 2018-08-15 Creo Medical Ltd Microwave energy transfer component for electrosurgical apparatus
US20220211433A1 (en) * 2019-04-26 2022-07-07 Covidien Lp Microwave ablation device and system with impedance mismatch
US11133957B2 (en) * 2019-05-29 2021-09-28 Trane International Inc. HVAC controller area network hybrid network topology

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0415997A4 (en) * 1988-05-18 1992-04-08 Kasevich Associates, Inc. Microwave balloon angioplasty
US5843144A (en) * 1995-06-26 1998-12-01 Urologix, Inc. Method for treating benign prostatic hyperplasia with thermal therapy
US6068627A (en) 1997-12-10 2000-05-30 Valleylab, Inc. Smart recognition apparatus and method
US6224593B1 (en) 1999-01-13 2001-05-01 Sherwood Services Ag Tissue sealing using microwaves
US7197363B2 (en) * 2002-04-16 2007-03-27 Vivant Medical, Inc. Microwave antenna having a curved configuration
ATE398974T1 (de) * 2002-11-27 2008-07-15 Medical Device Innovations Ltd Coaxiale gewebeablationsprobe und verfahren zum herstellen eines symmetriergliedes dafür
CN2782039Y (zh) * 2005-04-26 2006-05-24 中国人民解放军第二军医大学 直接穿刺治疗肿瘤的微波辐射天线
JP5258772B2 (ja) * 2006-10-10 2013-08-07 メディカル・デバイス・イノベーションズ・リミテッド マイクロ波放射線を用いた組織を処理するための装置およびアンテナ較正システムおよびその方法
GB0620058D0 (en) * 2006-10-10 2006-11-22 Medical Device Innovations Ltd Tissue measurement and ablation antenna
GB0620064D0 (en) * 2006-10-10 2006-11-22 Medical Device Innovations Ltd Antenna calibration system and a method of performing automatic calibration
GB0620060D0 (en) * 2006-10-10 2006-11-22 Medical Device Innovations Ltd Surgical antenna
US8998891B2 (en) 2007-08-30 2015-04-07 Ellman International, Inc. Tri-frequency electrosurgical instrument
GB2472972A (en) * 2009-07-20 2011-03-02 Microoncology Ltd A microwave antenna
GB2472012A (en) * 2009-07-20 2011-01-26 Microoncology Ltd Microwave antenna with flat paddle shape
WO2013022077A1 (fr) * 2011-08-10 2013-02-14 国立大学法人 滋賀医科大学 Instrument chirurgical à micro-ondes
GB2506377A (en) 2012-09-27 2014-04-02 Creo Medical Ltd Electrosurgical apparatus comprising an RF generator, microwave generator, combining circuit and waveguide isolator
WO2014160931A1 (fr) * 2013-03-29 2014-10-02 Covidien Lp Applicateurs d'ablation à micro-ondes coaxiaux à abaissement et procédés pour leur fabrication
GB201317713D0 (en) * 2013-10-07 2013-11-20 Creo Medical Ltd Electrosurgical device

Also Published As

Publication number Publication date
HK1252117A1 (zh) 2019-05-17
CN107809979B (zh) 2020-08-18
AU2020260432A1 (en) 2020-11-26
AU2016278100A1 (en) 2017-12-14
JP2021058647A (ja) 2021-04-15
JP2018519904A (ja) 2018-07-26
HK1253080A1 (zh) 2019-06-06
HK1253080B (zh) 2020-03-27
AU2016278100B2 (en) 2020-12-03
GB2539494A (en) 2016-12-21
KR20180019649A (ko) 2018-02-26
CN107809979A (zh) 2018-03-16
US20210330381A1 (en) 2021-10-28
GB201510787D0 (en) 2015-08-05
JP6820602B2 (ja) 2021-01-27
BR112017025884B1 (pt) 2023-02-07
EP3310284B1 (fr) 2019-03-20
PT3310284T (pt) 2019-06-25
BR112017025884A2 (pt) 2018-08-14
ES2731154T3 (es) 2019-11-14
EP3498209A1 (fr) 2019-06-19
CN111658136B (zh) 2023-06-30
US11832881B2 (en) 2023-12-05
AU2020260432B2 (en) 2021-12-23
US11083522B2 (en) 2021-08-10
CA2988848A1 (fr) 2016-12-22
WO2016203257A1 (fr) 2016-12-22
JP6973826B2 (ja) 2021-12-01
US20180132933A1 (en) 2018-05-17
EP3310284A1 (fr) 2018-04-25
CN111658136A (zh) 2020-09-15

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