KR940006549A - 조직 외과술용 광섬유 프로브 - Google Patents

조직 외과술용 광섬유 프로브 Download PDF

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Publication number
KR940006549A
KR940006549A KR1019930015382A KR930015382A KR940006549A KR 940006549 A KR940006549 A KR 940006549A KR 1019930015382 A KR1019930015382 A KR 1019930015382A KR 930015382 A KR930015382 A KR 930015382A KR 940006549 A KR940006549 A KR 940006549A
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KR
South Korea
Prior art keywords
light
core
optical fiber
shape
coating layer
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KR1019930015382A
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English (en)
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블랙 마이클
쿠퍼샤미드 블라디미르
Original Assignee
샤브트라나 블랙
레리안트 레이져 코오포레이션
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Application filed by 샤브트라나 블랙, 레리안트 레이져 코오포레이션 filed Critical 샤브트라나 블랙
Publication of KR940006549A publication Critical patent/KR940006549A/ko

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • 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
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B18/24—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
    • A61B18/245—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter for removing obstructions in blood vessels or calculi
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Otolaryngology (AREA)
  • Electromagnetism (AREA)
  • Vascular Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Laser Surgery Devices (AREA)
  • Radiation-Therapy Devices (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

본 발명은 혈관형성술과 같은 연조직 레이져 외과술에 적합한 광섬유 프로브로 광섬유는 광선입사부(23)와 출사부(22): 광선전파코어(18), 피복층으로 구성되며 피복층에는 섬유의 종축을 따라 수술부위로 레이져 광선이 조사될 수 있는 구멍(20,21)이 형성되어 있다. 레이져 광선의 강도는 구멍의 분포패턴에 의해 선택적으로 조절할수 있다.

Description

조직 외과술용 광섬유 프로브
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 통상적인 광섬유의 종단면 구조이다.
제2도는 본 발명에 따른 광섬유 프로브가 반점이 있는 혈관으로 삽입된 종단면 구조를 나타낸다.
제3도는 프로브의 작용 헤드의 3차구조를 나타낸다.
제4도는 광섬유 프로브의 관통된 부분의 종축단면으로 프로브에서 빔의 분포를 설명한다.

Claims (4)

  1. 혈관내에 있는 플락을 제거하기 위한 레이져 광선을 유도하는 용도의 광섬유 프로브의 구성에 있어서, 광섬유 프로브는 광선입사단부와 광선 방사단부가 있는 광섬유로 구성되고 광선 방사단부는 플락의 모양에 상응하는 특정영역을 가지고, 광섬유의 구성에 있어서는:실린더형 면을 가지는 빛전파 코어와 이 코어는 제1굴절지수를 가지고:빛전파 코어 실린더면을 완전히 피복하고, 빛전파 코어에 인터페이스면을 가지는 피복층과, 피복층은 제2굴절지수를 가지고, 제1굴절지수는 제2굴절질수보다 크고, 이로써 코어의 인터페이스에서 레이져 광선의 내반사가 가능하며:피복층을 완전히 보호하는 보호케이스:그리고 보호케이스와 피복층에 형성된 일군의 구멍과 구멍을 통해 물리적의 변형없이 빛이 전파되고, 개구에는 비균질성 모양과 크기일 수 있으며, 레이저 광선은 개구를 통해 빛을 전파시키고, 광선 방사단부내에도 개구가 있으며 개구를 통해 빛전파 코어에 모든 광선이 도달할수 있도록 충분히 큰면적을 가지는 것으로 구성된 것을 특징으로 하는 광섬유 프로브.
  2. 제1항에 있어서, 개구는 원형 또는 타원체형 모양으로 선택되는 것을 특징으로 하는 광섬유 프로브.
  3. 높은 에너지의 광선 조사를 이용한 혈관에서의 플락을 제거하는 방법의 단계에 있어서:비-침투성 방법을 이용하여 플락을 제거하기 위해 플락의 모양을 조사하고:빛 -전파 코어와 피복층이 포함된 광섬유 프로브를 수술한 혈관부위에 삽입하고, 이때 빛전파코어는 종축으로 형성되어 있고, 광섬유에는 물리적인 변형없이 빛전파 코어를 노출시키기 위해 피복층에 구멍이 있고, 광선 입사구와 출사구로 구성되며, 형성된 구멍은 조사한 플락의 모양에 상응하는 크기와 모양을 가지고 구멍의 총면적은 구멍을 통해 빛-전파코어에 충분한 높은 광 에너지를 전달할 수 있도록 형성되고:치료부위의 혈관을 통해 광프로브를 이동시키는 유도자로 비-방사단부를 이용하여 혈관에 있는 플락의 맞은편에 광선출사구를 위치시키고:빛전파코어내에 피복층에서 광선의 내부반사를 할 수 있는 일정각에서 광선 입사구로 높은 에너지의 광선을 조사하고; 빛 전파코어로 조사된 광선은 일정한 패턴을 유지하면서 여러회의 굴적과정을 거치면서 코어를 통해 이동하며:그리고 빛전파 코어의 종축에 직각방향으로 개구를 통해 광선이 빛-전파코어를 통과하여: 플락을 투사하는 단계로 구성된 것을 특징으로 하는 혈관에서의 플락 제거방법.
  4. 제3항에 있어서, 광프로브를 혈관내로 삽입하는 단계에 있어서 개구의 모양이 원형과 타원체에서 선택되는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930015382A 1992-09-14 1993-08-09 조직 외과술용 광섬유 프로브 KR940006549A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7/944,245 1992-09-14
US07/944,245 US5248311A (en) 1992-09-14 1992-09-14 Fiber-optic probe for soft-tissue laser surgery

Publications (1)

Publication Number Publication Date
KR940006549A true KR940006549A (ko) 1994-04-25

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Country Link
US (1) US5248311A (ko)
EP (1) EP0588078A3 (ko)
JP (1) JPH06343651A (ko)
KR (1) KR940006549A (ko)
IL (1) IL106604A0 (ko)

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JPH06343651A (ja) 1994-12-20
EP0588078A3 (en) 1994-05-18
IL106604A0 (en) 1993-12-08
EP0588078A2 (en) 1994-03-23
US5248311A (en) 1993-09-28

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