KR900701217A - 카테테르(catheter) 위치 결정 방법 및 장치 - Google Patents

카테테르(catheter) 위치 결정 방법 및 장치

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KR900701217A
KR900701217A KR1019900700997A KR900700997A KR900701217A KR 900701217 A KR900701217 A KR 900701217A KR 1019900700997 A KR1019900700997 A KR 1019900700997A KR 900700997 A KR900700997 A KR 900700997A KR 900701217 A KR900701217 A KR 900701217A
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magnetic field
catheter
sensing
output voltage
generating
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KR1019900700997A
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KR0124415B1 (ko
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쥬니어 클레어 엘. 스트로울
시이. 퍼레가모 마이클
에이. 케이 도날드
알. 샤피로 알렌
알. 휩플 그레이
Original Assignee
원본미기재
파머시아 델테크 인코퍼레이티드
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Publication of KR900701217A publication Critical patent/KR900701217A/ko
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Publication of KR0124415B1 publication Critical patent/KR0124415B1/ko

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
    • A61B5/062—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using magnetic field

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Human Computer Interaction (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Eye Examination Apparatus (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Surgical Instruments (AREA)

Abstract

내용 없음

Description

카테테르(cather)위치 결정 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
예시적 태양은 첨부된 도면을 언급하여 가장 잘 설명될 것이다.
제1도는 본 발명의 교시 내용에 따라서 생물학적 조직내 카테테르의 위치를 결정하는 방법 및 장치를 나타낸 도면으로서, 도시한 자기장은 단지 순간적으로만 존재하는 진폭 및 극성을 나타낸다,
제2도는 제1도의 장치의 안내선에 고정된 감지기를 포함하는 카테테르의 단면도이다,
제3A도 및 3B도는 함께 놓고 볼때 제1도의 장치에 대한 전기 계획도이다.

Claims (16)

  1. 교류 자기장을 발생시키고 전달하기 위한 수단; 교류 자기장을 감지하고, 자기장에 물리적으로 근접했을 때 출력 전압을 발생시키기 위한 수단: 및 자기장 수단의 교류와 감지 및 발생수단의 출력 전압을 비교하고, 출력전압이 교류와 같은 위상일때, 출력 전압이 감지되지 않을 때 및 출력 전압이 교류 위상에서 180°벗어났을때에 표시를 수요하기 위한 수단을 포함하며, 자기장 수단과 감지 및 발생 수단중 하나는 카테테르(catheter)의 팁(tip)에 인접하게 제거 가능한 방식으로 위치될 수 있고, 자기장 수단과 감지 및 발생수단중 다른 하나는 카테테르의 팁의 목적하는 위치와 일치하는 목표점에서 생물학적 조직의 외부에 위치될 수 있음을 특징으로하는, 생물학적 조직내 카테테르의 팁의 위치를 결정하기 위한 장치.
  2. 제1항에 있어서, 비교 및 수요 수단이 자기장 수단과 감지 및 발생 수단중 다른 하나와 함께 위치될 수 있는 적어도 하나의 제1의 시각적 표시기를 포함하는 카테테르 위치 결정 장치
  3. 제2항에 있어서, 비교 및 수여 수단이 자기장 수단과 감지 및 발생 수단중 다른 하나와 함께 위치될 수 있는 제2의 시각적 표시기를 포함하며, 제1시각적 표시기는 출력 전압이 교류와 같은 위상일 때 시각적 표시기를 제공하고 제2시각적 표시기는 출력 전압이 교류의 위상에서 180°벗어났을 때 시각적 표시를 제공하는 카테테르 위치 곁정 장치.
  4. 제3항에 있어서. 비교 및 수여 수단이, 표시가 제1표시기에서 제2표시기로 또한 제2표시기에서 제1표시기로 변화할 때 신호음을 발생하는 수단을 포함하는 카테테르 위치 결정 장치.
  5. 제1항에 있어서, 자기장 수단이 자기적 투과성 물질의 코어 (core)와 둘러싸는 코일(coil)을 포함하고, 감지 및 발생 수단이 자기적 투과성 물질의 코어와 둘러싸는 코일을 포함하며, 자기장 수단과 감지 및 발생수단중 다른 하나의 코어가 카테테르의 팁에 인접하게 제거 가능한 방식으로 위치될 수 있는 코어에 일반적으로 수직하게 위치될 수 있는 카테테르 위치 결정 장치.
  6. 제5항에 있어서, 감지 및 발생 수단이 코일에 의해 감지된 전기적 시그널을 증폭시키기 위한 제1 및 제2중폭기. 및 상기 증폭기중 하나의 증폭기가 스위치(switch) 수단에 의해 우회될 때 상이한 작동 모우드를 제공할수 있도록 상기 증폭기중 하나를 우회하기 위한 스위치 수단을 포함하는 카테테르 위치 결정 장치.
  7. 제1항에 있어서, 카테테르가, 카테테르내에 제거 가능한 방식으로 삽입할 수 있는 안내선(guidewire)을 포함하며, 자기장 수단과 감지 및 발생 수단중 하나가 상기 안내선에 고정되고 카테테르의 팁에 인접하게 위치 될 수 있는 카테테르 위치 결정 장치.
  8. 제1항에 있어서, 자기장 수단이 생물학적 조직의 외부에 위치될수 있고, 감지 및 발생 수단이 카테테르의 팁에 인접하게 제거 가능한 방식으로 위치될 수 있는 카테테르 위치 결정 장치.
  9. 제1항에 있어서, 전지; 자기장 수단을 에너지화 하기위해 상기 전지에 의해 공급된 직류를 교류로 변환시키기 위한 수단; 및 장치를 비작동성으로 하게하기 위하여 상기 전지를 충전시킬때 상기 변환 수단으로의 직류의 공급을 방지하기 위한 수단을 포함하는 카테테르 위치 결정장치.
  10. a) 교류 자기장을 발생시키고 전달하기 위한 수단; 및 b) 교류 자기장을 감지하고 자기장에 근접했을때 출력 전압을 발생시키기 위한 수단을 제공하고: c) 카테테르와 함께 생물학적 조직내로 도입시키기 위해 자기장 수단과 감지 및 발생 수단중 어느 하나을 카테테르의 팁에 인접하게 제거가능한 방식으로 위치시킨 다음; d) 교류를 자기장 수단에 공급하고: e) 교류와 출력 전압을 비교하고; f) 자기장 수단과 감지 및 발생 수단중 다른 하나를 카테테르의 팁의 목적하는 위치와 일치하는 목표점에서 생물학적 조직의 외부에서 이동시키고. g) 출력 전압이 교류와 위상일 때, 출력 전압이 감지되지 않을 때 및 출력 전압이 교류의 위상에서 180°벗어났을 때 표시를 하는 단계를 포함함을 특징으로 하는, 생물학적 조직내 카테테르의 팁의 위치를 결정하는 방법
  11. 제10항에 있어서, 표시 단계가 a) 출력 전압이 교류와 같은 위상일 때 제1의 시각적 표시를 제공하고: b) 출력 전압이 교류의 위상에서 180° 벗어났을 때 제2의 시각적 표시를 제공하는 단계를 포함하는 방법.
  12. 제11항에 있어서, 표시 단계가 c) 표시가 제1시각적 표시에서 제2시각적 표시 또한 제2시각적 표시에서 제1시각적 표시로 변활할 때 신호음을 제공하는 단계를 추가로 포함하는 방법.
  13. 제10항에 있어서. 제거가능한 방식으로 위치시키는 단계가 a) 안내선을 제공하여 자기장 수단과 감지 및 발생 수단중 하나를 안내선에 고정시키고; b) 카테테르와 함께 생물학적 조직내로 도입시키기 위하여 안내선을 카테테르내에 위치시키는 단계를 포함하는 방법.
  14. 제10항에 있어서. 제거가능한 방식으로 위치시키는 단계가 감지 및 발생 수단을 카테테르의 팁에 인접하게 제거가능한 방식으로 위치시키는 단계를 포함하고; 이동 단계가 자기장 수단을 이동시키는 단계를 포함하는 방법.
  15. 제14항에 있어서. 표시 단계가 시각적 표시를 제공하기 위한 표시기를 제공하는 단계를 포함하며, 이동단계가 표시기를 자기장 수단과 함께 이동시키는 단계를 추가로 포함하는 방법.
  16. 외부 교류 자기장을 제공하기 위한 수단; 자기장의 위상을 나타내는 제1시그널을 제공하기 위한 수단; 카테떼르가 자기장에 물리적으로 근접하였을 제2시그널을 발생시키기 위해 카테테르내에 포함된 수단: 제2시그널의 위상과 제1시그널의 위상을 비교하기 위한 수단: 및 제1 및 제2시그널 사이에 예정된 위상 관계가 존재할 때 표시하기 위한 수단을 포함함을 특징으로 하는, 생물학절 조직내 카테테르의 위치를 결정하기 위한 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900700997A 1988-09-13 1989-09-13 카테테르(catheter) 위치 결정 방법 및 장치 KR0124415B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/243,689 US4905698A (en) 1988-09-13 1988-09-13 Method and apparatus for catheter location determination
US243,689 1988-09-13
PCT/US1989/003989 WO1990002514A1 (en) 1988-09-13 1989-09-13 Method and apparatus for catheter location determination

Publications (2)

Publication Number Publication Date
KR900701217A true KR900701217A (ko) 1990-12-01
KR0124415B1 KR0124415B1 (ko) 1997-11-27

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Country Link
US (1) US4905698A (ko)
EP (2) EP0359697B1 (ko)
JP (1) JP2777244B2 (ko)
KR (1) KR0124415B1 (ko)
AT (1) ATE113454T1 (ko)
AU (1) AU633232B2 (ko)
CA (1) CA1330108C (ko)
DE (1) DE68919182T2 (ko)
DK (1) DK44591A (ko)
IE (1) IE62403B1 (ko)
WO (1) WO1990002514A1 (ko)

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DK44591D0 (da) 1991-03-12
KR0124415B1 (ko) 1997-11-27
US4905698B1 (ko) 1991-10-01
IE62403B1 (en) 1995-01-25
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DK44591A (da) 1991-05-13
EP0434745A1 (en) 1991-07-03
CA1330108C (en) 1994-06-07
JP2777244B2 (ja) 1998-07-16
US4905698A (en) 1990-03-06
JPH04500618A (ja) 1992-02-06
DE68919182D1 (de) 1994-12-08
DE68919182T2 (de) 1995-06-22
EP0359697A1 (en) 1990-03-21
ATE113454T1 (de) 1994-11-15
AU4227589A (en) 1990-04-02
EP0359697B1 (en) 1994-11-02
AU633232B2 (en) 1993-01-21
IE892856L (en) 1990-03-13

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