KR20040034678A - 다중 전극을 사용하는 무선 주파수 제거 시스템 - Google Patents
다중 전극을 사용하는 무선 주파수 제거 시스템 Download PDFInfo
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- KR20040034678A KR20040034678A KR10-2004-7003069A KR20047003069A KR20040034678A KR 20040034678 A KR20040034678 A KR 20040034678A KR 20047003069 A KR20047003069 A KR 20047003069A KR 20040034678 A KR20040034678 A KR 20040034678A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/14—Probes or electrodes therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/14—Probes or electrodes therefor
- A61B18/1477—Needle-like probes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/1206—Generators therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
- A61B2018/00654—Sensing and controlling the application of energy with feedback, i.e. closed loop control with individual control of each of a plurality of energy emitting elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00726—Duty cycle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/0075—Phase
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00755—Resistance or impedance
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
- A61B2018/00797—Temperature measured by multiple temperature sensors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00827—Current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00875—Resistance or impedance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/1206—Generators therefor
- A61B2018/124—Generators therefor switching the output to different electrodes, e.g. sequentially
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
- A61B2018/143—Needle multiple needles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1425—Needle
- A61B2018/1432—Needle curved
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/14—Probes or electrodes therefor
- A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
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Abstract
Description
Claims (22)
- 환자와 접촉되어 위치할 수 있는 적어도 3개의 전극들;RF 전원; 및적어도 한 쌍의 상기 전극들을 상기 전원에 순차적으로 연결시켜서 적어도 하나의 연결되지 않은 쌍 사이에서 전류 흐름을 억제하면서 연결된 전극들 사이의 절제용 전류 흐름을 제공하기 위해 상기 전극들 및 상기 RF 전원과 통신하는 스위치 시스템을 포함하는 RF 절제 시스템.
- 제 1 항에 있어서, 상기 전극들 중 적어도 하나는 피부에 인가될 수 있도록 적용되는 것을 특징으로 하는 RF 절제 시스템.
- 제 2 항에 있어서, 상기 순차적으로 연결되는 한 쌍은 피부에 인가되도록 적용되는 상기 전극을 항상 포함하는 것을 특징으로 하는 RF 절제 시스템.
- 제 1 항에 있어서, 상기 전극들 및 상기 RF 전원과 통신하는 상기 스위치 시스템은 모든 다른 쌍들 사이의 전류 흐름을 억제하면서 연결된 전극들 사이의 절제용 전류 흐름을 제공하기 위해 한쌍의 상기 전극들만을 상기 전원에 순차적으로 연결시키는 것을 특징으로 하는 RF 절제 시스템.
- 제 1 항에 있어서, 적어도 2개의 상기 전극들은 상기 환자에 삽입되도록 적용되는 것을 특징으로 하는 RF 절제 시스템.
- 제 5 항에 있어서, 상기 프로브들은 공동 샤프트로부터 연장되는 적어도 2개의 전극 와이어들을 갖는 산하 전극들인 것을 특징으로 하는 RF 절제 시스템.
- 제 1 항에 있어서, 상기 스위치 시스템은 상기 순차적으로 연결되는 쌍들의 전극들을 변경시키는 것을 특징으로 하는 RF 절제 시스템.
- 제 1 항에 있어서, 상기 전자 스위치는 상기 연결된 전극 쌍들간의 임피던스, 적어도 하나의 상기 연결된 전극 쌍들의 온도, 미리 결정되는 시간 설정, 및 상기 연결된 전극 쌍들 사이에 분산되는 전력으로 이루어지는 그룹으로부터 선택되는 제어 파라미터에 따라 전력 공급기로 상기 전극 쌍들을 연결시키는 상대적 시간을 제어하는 것을 특징으로 하는 RF 절제 시스템.
- 제 1 항에 있어서, 상기 전자 스위치는 상기 연결된 전극 쌍들간의 임피던스, 적어도 하나의 상기 연결된 전극 쌍들의 온도, 미리 결정되는 시간 설정, 및 상기 연결된 전극 쌍들 사이에 분산되는 전력으로 이루어지는 그룹으로부터 선택되는 제어 파라미터에 따라 스위칭을 제어하는 비례/적분 제어기를 포함하는 것을 특징으로 하는 RF 절제 시스템.
- 제 1 항에 있어서, 상기 전극들은 폭을 갖는 상기 환자와 접촉 영역을 형성하고, 적어도 2개의 상기 전극들은 단지 3배의 서로의 폭 이내의 부분을 갖도록 위치되는 것을 특징으로 하는 RF 절제 시스템.
- (a) 환자와 접촉되는 적어도 3개의 전극들을 배치시키는 단계; 및(b) 연결되지 않은 쌍 사이의 전류 흐름을 억제하면서 연결되는 전극 쌍들 사이에 절제용 전류 흐름을 제공하기 위해 상기 전극들의 쌍들을 RF 전원에 순차적으로 연결시키는 단계를 포함하는 RF 절제 방법.
- 제 11 항에 있어서, 적어도 2개의 상기 전극들은 단일 종양의 서로 다른 부분들에 배치되는 것을 특징으로 하는 RF 절제 방법.
- 제 11 항에 있어서, 적어도 2개의 상기 전극들은 서로 다른 종양들에 배치되는 것을 특징으로 하는 RF 절제 방법.
- 제 11 항에 있어서, 적어도 하나의 상기 전극들은 피부에 인가되도록 적용되는 것을 특징으로 하는 RF 절제 방법.
- 제 14 항에 있어서, 상기 한 쌍을 순차적으로 연결시키는 단계는 피부에 인가되도록 적용되는 상기 전극을 항상 포함하는 것을 특징으로 하는 RF 절제 방법.
- 제 11 항에 있어서, 적어도 2개의 상기 전극들은 경피성, 수술, 및 복강경으로 이루어지는 그룹으로부터 선택되는 방법에 의해 상기 환자에 삽입되도록 적용되는 것을 특징으로 하는 RF 절제 방법.
- 제 16 항에 있어서, 상기 적어도 2개의 프로브들은 공동 샤프트로부터 연장되는 적어도 2개의 전극 와이어들을 갖는 산하 전극들인 것을 특징으로 하는 RF 절제 방법.
- 제 11 항에 있어서, 상기 순차적으로 연결되는 전극 쌍들은 거의 10㎑ 보다 더 높은 주파수에서 변경되는 것을 특징으로 하는 RF 절제 방법.
- 제 11 항에 있어서, 상기 전력 공급기로 상기 전극 쌍들의 순차적인 연결의 상대적 시간은 상기 연결된 전극 쌍들간의 임피던스, 상기 연결된 전극 쌍들 중 적어도 하나의 온도, 및 상기 연결된 전극 쌍들 사이에 분산되는 전력으로 이루어지는 그룹으로부터 선택되는 제어 파라미터를 따르는 것을 특징으로 하는 RF 절제 방법.
- 제 11 항에 있어서, 상기 순차적인 연결은 상기 연결된 전극 쌍들간의 임피던스, 상기 연결된 전극 쌍들 중 적어도 하나의 온도, 및 상기 연결된 전극 쌍들 사이에 분산되는 전력으로 이루어지는 그룹으로부터 선택되는 파라미터에 따른 비례/적분 제어기에 의해 제어되는 것을 특징으로 하는 RF 절제 방법.
- 제 11 항에 있어서, 상기 연결된 전극 쌍들간의 임피던스, 상기 연결된 전극 쌍들 중 적어도 하나의 온도, 및 상기 연결된 전극 쌍들 사이에 분산되는 전력으로 이루어지는 그룹으로부터 선택되는 제어 파라미터에 따른 RF 전원 출력을 조정하는 단계를 더 포함하는 RF 절제 방법.
- 제 11 항에 있어서, 상기 전극들은 폭을 갖는 상기 환자 영역과 접촉을 형성하고 적어도 2개의 상기 전극들은 단지 서로의 3배 폭 이내에 부분을 갖도록 위치되는 것을 특징으로 하는 RF 절제 방법.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31538301P | 2001-08-28 | 2001-08-28 | |
US60/315,383 | 2001-08-28 | ||
US10/167,681 | 2002-06-10 | ||
US10/167,681 US8486065B2 (en) | 2000-06-07 | 2002-06-10 | Radio-frequency ablation system and method using multiple electrodes |
PCT/US2002/026695 WO2003020144A1 (en) | 2001-08-28 | 2002-08-22 | Radio-frequency ablation system using multiple electrodes |
Publications (2)
Publication Number | Publication Date |
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KR20040034678A true KR20040034678A (ko) | 2004-04-28 |
KR101034682B1 KR101034682B1 (ko) | 2011-05-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020047003069A KR101034682B1 (ko) | 2001-08-28 | 2002-08-22 | 다중 전극을 사용하는 무선 주파수 절제 시스템 |
Country Status (7)
Country | Link |
---|---|
US (2) | US8486065B2 (ko) |
EP (1) | EP1439792B1 (ko) |
JP (1) | JP4303590B2 (ko) |
KR (1) | KR101034682B1 (ko) |
CA (1) | CA2458676C (ko) |
PL (1) | PL207368B1 (ko) |
WO (1) | WO2003020144A1 (ko) |
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US6994706B2 (en) | 2001-08-13 | 2006-02-07 | Minnesota Medical Physics, Llc | Apparatus and method for treatment of benign prostatic hyperplasia |
US7367974B2 (en) * | 2004-09-20 | 2008-05-06 | Wisconsin Alumni Research Foundation | Electrode array for tissue ablation |
US7972330B2 (en) * | 2003-03-27 | 2011-07-05 | Terumo Kabushiki Kaisha | Methods and apparatus for closing a layered tissue defect |
US20040267191A1 (en) | 2003-03-27 | 2004-12-30 | Cierra, Inc. | Methods and apparatus for treatment of patent foramen ovale |
US7293562B2 (en) | 2003-03-27 | 2007-11-13 | Cierra, Inc. | Energy based devices and methods for treatment of anatomic tissue defects |
US6939348B2 (en) | 2003-03-27 | 2005-09-06 | Cierra, Inc. | Energy based devices and methods for treatment of patent foramen ovale |
US7186251B2 (en) | 2003-03-27 | 2007-03-06 | Cierra, Inc. | Energy based devices and methods for treatment of patent foramen ovale |
US7165552B2 (en) | 2003-03-27 | 2007-01-23 | Cierra, Inc. | Methods and apparatus for treatment of patent foramen ovale |
US8021362B2 (en) | 2003-03-27 | 2011-09-20 | Terumo Kabushiki Kaisha | Methods and apparatus for closing a layered tissue defect |
US7416549B2 (en) * | 2003-10-10 | 2008-08-26 | Boston Scientific Scimed, Inc. | Multi-zone bipolar ablation probe assembly |
US6958064B2 (en) * | 2003-11-14 | 2005-10-25 | Boston Scientific Scimed, Inc. | Systems and methods for performing simultaneous ablation |
EP1684655A2 (en) * | 2003-11-18 | 2006-08-02 | SciMed Life Systems, Inc. | System and method for tissue ablation |
WO2005110263A2 (en) * | 2004-05-11 | 2005-11-24 | Wisconsin Alumni Research Foundation | Radiofrequency ablation with independently controllable ground pad conductors |
US7367975B2 (en) | 2004-06-21 | 2008-05-06 | Cierra, Inc. | Energy based devices and methods for treatment of anatomic tissue defects |
DE202004014924U1 (de) * | 2004-09-24 | 2006-01-26 | Möller Medical GmbH & Co. KG | Frequenz-Ablationsgerät |
US7553309B2 (en) * | 2004-10-08 | 2009-06-30 | Covidien Ag | Electrosurgical system employing multiple electrodes and method thereof |
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