JPH0441622B2 - - Google Patents

Info

Publication number
JPH0441622B2
JPH0441622B2 JP63244706A JP24470688A JPH0441622B2 JP H0441622 B2 JPH0441622 B2 JP H0441622B2 JP 63244706 A JP63244706 A JP 63244706A JP 24470688 A JP24470688 A JP 24470688A JP H0441622 B2 JPH0441622 B2 JP H0441622B2
Authority
JP
Japan
Prior art keywords
storage element
temperature
shape
coil spring
spring
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.)
Expired - Lifetime
Application number
JP63244706A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01139076A (ja
Inventor
Shii Matsukoi Uiriamu
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22297744&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0441622(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of JPH01139076A publication Critical patent/JPH01139076A/ja
Publication of JPH0441622B2 publication Critical patent/JPH0441622B2/ja
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0158—Tip steering devices with magnetic or electrical means, e.g. by using piezo materials, electroactive polymers, magnetic materials or by heating of shape memory materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/323—Thermally-sensitive members making use of shape memory materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/12—Shape memory
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid
    • H01H37/50—Thermally-sensitive members actuated due to expansion or contraction of a solid with extensible wires under tension

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Endoscopes (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Manipulator (AREA)
  • Laser Surgery Devices (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Paper (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Surgical Instruments (AREA)
  • Temperature-Responsive Valves (AREA)
JP63244706A 1987-10-02 1988-09-30 可変形状の案内装置 Granted JPH01139076A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/103,926 US4944727A (en) 1986-06-05 1987-10-02 Variable shape guide apparatus
US103926 1987-10-02

Publications (2)

Publication Number Publication Date
JPH01139076A JPH01139076A (ja) 1989-05-31
JPH0441622B2 true JPH0441622B2 (en]) 1992-07-08

Family

ID=22297744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63244706A Granted JPH01139076A (ja) 1987-10-02 1988-09-30 可変形状の案内装置

Country Status (6)

Country Link
US (1) US4944727A (en])
EP (1) EP0310295B1 (en])
JP (1) JPH01139076A (en])
AT (1) ATE108339T1 (en])
CA (1) CA1325938C (en])
DE (1) DE3850628T2 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11509751A (ja) * 1995-06-27 1999-08-31 アロウ・インターナショナル・インヴェストメント・コーポレイション マイクロ波除去手術用高捩じれ低抗性操作可能カテーテル

Families Citing this family (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5090956A (en) * 1983-10-31 1992-02-25 Catheter Research, Inc. Catheter with memory element-controlled steering
US5055101A (en) * 1983-10-31 1991-10-08 Catheter Research, Inc. Variable shape guide apparatus
US5135531A (en) * 1984-05-14 1992-08-04 Surgical Systems & Instruments, Inc. Guided atherectomy system
JPS6480367A (en) * 1987-09-21 1989-03-27 Terumo Corp Member for correcting ureter
US5312356A (en) * 1989-05-22 1994-05-17 Target Therapeutics Catheter with low-friction distal segment
US5019040A (en) * 1989-08-31 1991-05-28 Koshin Sangyo Kabushiki Kaisha Catheter
FR2652738B1 (fr) * 1989-10-05 1994-01-07 Nivarox Far Sa Dispositif pour la reeducation d'un membre.
US6033378A (en) * 1990-02-02 2000-03-07 Ep Technologies, Inc. Catheter steering mechanism
AU7304491A (en) * 1990-02-02 1991-08-21 Ep Technologies Inc Catheter steering mechanism
US5195968A (en) * 1990-02-02 1993-03-23 Ingemar Lundquist Catheter steering mechanism
US5358478A (en) * 1990-02-02 1994-10-25 Ep Technologies, Inc. Catheter steering assembly providing asymmetric left and right curve configurations
US5273535A (en) * 1991-11-08 1993-12-28 Ep Technologies, Inc. Catheter with electrode tip having asymmetric left and right curve configurations
US5891088A (en) 1990-02-02 1999-04-06 Ep Technologies, Inc. Catheter steering assembly providing asymmetric left and right curve configurations
US5254088A (en) * 1990-02-02 1993-10-19 Ep Technologies, Inc. Catheter steering mechanism
JPH0452614A (ja) * 1990-06-20 1992-02-20 Olympus Optical Co Ltd 内視鏡
US5165897A (en) * 1990-08-10 1992-11-24 Tini Alloy Company Programmable tactile stimulator array system and method of operation
US5167624A (en) * 1990-11-09 1992-12-01 Catheter Research, Inc. Embolus delivery system and method
US5133731A (en) * 1990-11-09 1992-07-28 Catheter Research, Inc. Embolus supply system and method
US5231989A (en) * 1991-02-15 1993-08-03 Raychem Corporation Steerable cannula
US5152748A (en) * 1991-03-04 1992-10-06 Philippe Chastagner Medical catheters thermally manipulated by fiber optic bundles
CA2069052A1 (en) * 1991-05-21 1992-11-22 L. Venkata Raman Superelastic formable guidewire
US5605162A (en) * 1991-10-15 1997-02-25 Advanced Cardiovascular Systems, Inc. Method for using a variable stiffness guidewire
US5238005A (en) * 1991-11-18 1993-08-24 Intelliwire, Inc. Steerable catheter guidewire
US5318525A (en) * 1992-04-10 1994-06-07 Medtronic Cardiorhythm Steerable electrode catheter
WO1993020878A1 (en) * 1992-04-10 1993-10-28 Cardiorhythm Shapable handle for steerable electrode catheter
US5290284A (en) * 1992-05-01 1994-03-01 Adair Edwin Lloyd Laparoscopic surgical ligation and electrosurgical coagulation and cutting device
DE59209865D1 (de) * 1992-05-12 2000-10-26 Pacesetter Ab Jaerfaella Elektrodenkatheter mit einer Anordung zum intravaskulären Implantieren oder Explantieren des Elektrodenkatheters
US5389072A (en) * 1992-06-05 1995-02-14 Mircor Biomedical, Inc. Mechanism for manipulating a tool and flexible elongate device using the same
WO1994012234A1 (en) * 1992-12-01 1994-06-09 Intelliwire, Inc. Vibratory element for crossing stenoses
US5365943A (en) * 1993-03-12 1994-11-22 C. R. Bard, Inc. Anatomically matched steerable PTCA guidewire
US5531685A (en) * 1993-06-11 1996-07-02 Catheter Research, Inc. Steerable variable stiffness device
US5334168A (en) * 1993-06-11 1994-08-02 Catheter Research, Inc. Variable shape guide apparatus
DE4323585A1 (de) * 1993-07-14 1995-01-19 Delma Elektro Med App Bipolares Hochfrequenz-Chirurgieinstrument
US5415633A (en) * 1993-07-28 1995-05-16 Active Control Experts, Inc. Remotely steered catheterization device
US5458596A (en) 1994-05-06 1995-10-17 Dorsal Orthopedic Corporation Method and apparatus for controlled contraction of soft tissue
JP2648735B2 (ja) * 1995-02-08 1997-09-03 英一 町田 陥入爪矯正具
US6461353B1 (en) * 1995-02-17 2002-10-08 Oratec Interventions, Inc. Orthopedic apparatus for controlled contraction of collagen tissue
US5662621A (en) * 1995-07-06 1997-09-02 Scimed Life Systems, Inc. Guide catheter with shape memory retention
US6073051A (en) * 1996-08-13 2000-06-06 Oratec Interventions, Inc. Apparatus for treating intervertebal discs with electromagnetic energy
US6007570A (en) * 1996-08-13 1999-12-28 Oratec Interventions, Inc. Apparatus with functional element for performing function upon intervertebral discs
US6283960B1 (en) 1995-10-24 2001-09-04 Oratec Interventions, Inc. Apparatus for delivery of energy to a surgical site
US5824031A (en) * 1996-02-28 1998-10-20 Cardio Source Apparatus and method for deflecting a tip of a lead or catheter
US5779699A (en) * 1996-03-29 1998-07-14 Medtronic, Inc. Slip resistant field focusing ablation catheter electrode
US5931819A (en) * 1996-04-18 1999-08-03 Advanced Cardiovascular Systems, Inc. Guidewire with a variable stiffness distal portion
US6726685B2 (en) 2001-06-06 2004-04-27 Oratec Interventions, Inc. Intervertebral disc device employing looped probe
US7069087B2 (en) 2000-02-25 2006-06-27 Oratec Interventions, Inc. Apparatus and method for accessing and performing a function within an intervertebral disc
US6832997B2 (en) 2001-06-06 2004-12-21 Oratec Interventions, Inc. Electromagnetic energy delivery intervertebral disc treatment devices
US6645203B2 (en) 1997-02-12 2003-11-11 Oratec Interventions, Inc. Surgical instrument with off-axis electrode
US6126682A (en) 1996-08-13 2000-10-03 Oratec Interventions, Inc. Method for treating annular fissures in intervertebral discs
US6733496B2 (en) 2001-06-06 2004-05-11 Oratec Interventions, Inc. Intervertebral disc device employing flexible probe
US6068628A (en) * 1996-08-20 2000-05-30 Oratec Interventions, Inc. Apparatus for treating chondromalacia
AU6326298A (en) 1997-02-12 1998-08-26 Oratec Interventions, Inc. Electrode for electrosurgical ablation of tissue and method of manufacturing thesame
JP2002515801A (ja) 1997-02-12 2002-05-28 オーレイテック インターヴェンションズ インコーポレイテッド 関節鏡による手術のための凹状探針
US5954716A (en) * 1997-02-19 1999-09-21 Oratec Interventions, Inc Method for modifying the length of a ligament
US5843153A (en) * 1997-07-15 1998-12-01 Sulzer Intermedics Inc. Steerable endocardial lead using magnetostrictive material and a magnetic field
US6004320A (en) * 1997-09-19 1999-12-21 Oratec Interventions, Inc. Clip on electrocauterizing sheath for orthopedic shave devices
US6007533A (en) * 1997-09-19 1999-12-28 Oratec Interventions, Inc. Electrocauterizing tip for orthopedic shave devices
US6214001B1 (en) 1997-09-19 2001-04-10 Oratec Interventions, Inc. Electrocauterizing tool for orthopedic shave devices
US6176857B1 (en) 1997-10-22 2001-01-23 Oratec Interventions, Inc. Method and apparatus for applying thermal energy to tissue asymmetrically
JP2002506672A (ja) 1998-03-19 2002-03-05 オーレイテック インターヴェンションズ インコーポレイテッド 手術部位にエネルギーを給送するためのカテーテル
US6375648B1 (en) * 1998-10-02 2002-04-23 Misonix Incorporated Infiltration cannula with teflon coated outer surface
US7449019B2 (en) 1999-01-25 2008-11-11 Smith & Nephew, Inc. Intervertebral decompression
US6500147B2 (en) * 1999-02-22 2002-12-31 Medtronic Percusurge, Inc. Flexible catheter
AU6505900A (en) 1999-07-30 2001-02-19 Cardiofocus, Inc. Optical fiber basket device for cardiac photoablation
WO2001013812A1 (en) 1999-08-25 2001-03-01 Cardiofocus, Inc. Maneuverable optical fiber device for cardiac photoablation
US6695839B2 (en) 2001-02-08 2004-02-24 Oratec Interventions, Inc. Method and apparatus for treatment of disrupted articular cartilage
US6652491B1 (en) 2001-05-03 2003-11-25 Catheter Research, Inc. Steerable stylet
US6638276B2 (en) 2001-06-06 2003-10-28 Oratec Interventions, Inc. Intervertebral disc device employing prebent sheath
JP4403571B2 (ja) * 2001-11-22 2010-01-27 正喜 江刺 能動ガイドワイヤ及びその製造方法
US6757565B2 (en) 2002-02-08 2004-06-29 Oratec Interventions, Inc. Electrosurgical instrument having a predetermined heat profile
US20030225314A1 (en) * 2002-05-23 2003-12-04 David J. Guerra Flexible endoscope insertion shaft
US7150747B1 (en) 2003-01-22 2006-12-19 Smith & Nephew, Inc. Electrosurgical cutter
US7658709B2 (en) * 2003-04-09 2010-02-09 Medtronic, Inc. Shape memory alloy actuators
US8133171B2 (en) * 2003-06-02 2012-03-13 Karl Storz Endovision, Inc. Wire spring guide for flexible endoscope
US7056286B2 (en) 2003-11-12 2006-06-06 Adrian Ravenscroft Medical device anchor and delivery system
EP1727588A1 (en) * 2004-03-24 2006-12-06 Windcrest LLC Vascular guidewire system
US7615032B2 (en) 2004-03-24 2009-11-10 Windcrest Llc Vascular guidewire control apparatus
WO2005115117A2 (en) * 2004-05-24 2005-12-08 The Trustees Of Columbia University In The City Of New York Steerable devices
US7416534B2 (en) * 2004-06-22 2008-08-26 Boston Scientific Scimed, Inc. Medical device including actuator
US8147481B2 (en) 2005-03-24 2012-04-03 The Cleveland Clinic Foundation Vascular guidewire control apparatus
US8608726B2 (en) * 2005-03-24 2013-12-17 The Cleveland Clinic Foundation Vascular guidewire control apparatus
US20060270976A1 (en) * 2005-05-31 2006-11-30 Prorhythm, Inc. Steerable catheter
US20060270975A1 (en) * 2005-05-31 2006-11-30 Prorhythm, Inc. Steerable catheter
JP2008023089A (ja) * 2006-07-21 2008-02-07 Olympus Corp 湾曲機構
EP2362799B1 (en) * 2008-09-17 2017-10-11 Saluda Medical Pty Limited Knitted electrode assembly and integrated connector for an active implantable medical device
WO2010033948A1 (en) * 2008-09-19 2010-03-25 Thorpe Patricia E Vascular occlusion drill
US8556850B2 (en) 2008-12-31 2013-10-15 St. Jude Medical, Atrial Fibrillation Division, Inc. Shaft and handle for a catheter with independently-deflectable segments
US8676290B2 (en) * 2010-05-11 2014-03-18 St. Jude Medical, Atrial Fibrillation Division, Inc. Multi-directional catheter control handle
US10092427B2 (en) 2009-11-04 2018-10-09 Confluent Medical Technologies, Inc. Alternating circumferential bridge stent design and methods for use thereof
FR2957807B1 (fr) * 2010-03-24 2012-03-23 Univ Paris Curie Procede de fabrication d'une structure allongee souple a extremite orientable
US9289147B2 (en) 2010-05-11 2016-03-22 St. Jude Medical, Atrial Fibrillation Division, Inc. Multi-directional flexible wire harness for medical devices
WO2011156688A2 (en) 2010-06-10 2011-12-15 Windcrest Llc Guidewire control device
EP2624791B1 (en) 2010-10-08 2017-06-21 Confluent Medical Technologies, Inc. Alternating circumferential bridge stent design
US20120123326A1 (en) * 2010-11-12 2012-05-17 Christian Steven C Catheter systems with distal end function, such as distal deflection, using remote actuation or low input force
US9308350B2 (en) 2011-03-28 2016-04-12 North Carolina State University Active catheter device and associated system and method
USD726905S1 (en) 2011-05-11 2015-04-14 St. Jude Medical, Atrial Fibrillation Division, Inc. Control handle for a medical device
US9301809B2 (en) * 2012-08-03 2016-04-05 David Byron Douglas Precision external control of interventional medical procedures
WO2015095806A2 (en) 2013-12-20 2015-06-25 Microvention, Inc. Device delivery system
AU2019261907B2 (en) * 2018-04-30 2020-09-24 The Board Of Regents Of The University Of Texas System Introduction device including an electroactive tip on a guidewire
US20210282759A1 (en) * 2020-03-16 2021-09-16 Stryker Corporation Medical devices with deflective distal ends
CN115803076A (zh) * 2020-04-20 2023-03-14 应脉医疗科技(上海)有限公司 电致动铰接导管系统
CN114099227B (zh) * 2021-10-25 2023-10-10 清华大学深圳国际研究生院 一种脊柱康复机器人及其系统、形状感知和运动控制方法
CN116637275B (zh) * 2023-06-07 2023-12-12 南京纽诺英特医疗科技有限公司 一种可操控导丝

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043309A (en) * 1959-09-29 1962-07-10 Avco Corp Method of performing intestinal intubation
US3547103A (en) * 1965-10-29 1970-12-15 William A Cook Coil spring guide
US3521620A (en) * 1967-10-30 1970-07-28 William A Cook Vascular coil spring guide with bendable tip
US3605725A (en) * 1968-08-07 1971-09-20 Medi Tech Inc Controlled motion devices
SE336642B (en]) * 1969-10-28 1971-07-12 Astra Meditec Ab
US3729008A (en) * 1970-12-28 1973-04-24 American Optical Corp Electrode for atrial pacing with curved end for atrial wall engagement
US3773034A (en) * 1971-11-24 1973-11-20 Itt Research Institute Steerable catheter
US3890977A (en) * 1974-03-01 1975-06-24 Bruce C Wilson Kinetic memory electrodes, catheters and cannulae
US4146019A (en) * 1976-09-30 1979-03-27 University Of Southern California Multichannel endoscope
US4176662A (en) * 1977-06-17 1979-12-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Apparatus for endoscopic examination
JPS635682Y2 (en]) * 1979-06-19 1988-02-17
JPS57148927A (en) * 1981-03-06 1982-09-14 Olympus Optical Co Tube for pouring contrast agent
JPS57164034A (en) * 1981-04-02 1982-10-08 Olympus Optical Co Flexible tube for endoscope
JPS5812637A (ja) * 1981-07-13 1983-01-24 オリンパス光学工業株式会社 内視鏡の処置具起上装置
JPS5825140A (ja) * 1981-08-05 1983-02-15 オリンパス光学工業株式会社 記憶金属による内視鏡湾曲装置
US4601283A (en) * 1981-12-07 1986-07-22 Machida Endoscope Co., Ltd. Endoscope with a memory shape alloy to control tube bending
JPS592344U (ja) * 1982-06-29 1984-01-09 日本ゼオン株式会社 医療用チユ−ブ先端操作装置
JPS5948710A (ja) * 1982-09-10 1984-03-21 Sumitomo Electric Ind Ltd フアイバスコ−プ
JPS5967968A (ja) * 1982-10-08 1984-04-17 テルモ株式会社 ガイドワイヤ−
US4456017A (en) * 1982-11-22 1984-06-26 Cordis Corporation Coil spring guide with deflectable tip
JPS5997115A (ja) * 1982-11-27 1984-06-04 Shigeo Hirose 索状能動体
US4582181A (en) * 1983-08-12 1986-04-15 Advanced Cardiovascular Systems, Inc. Steerable dilatation catheter
US4543090A (en) * 1983-10-31 1985-09-24 Mccoy William C Steerable and aimable catheter
US4601705A (en) * 1983-10-31 1986-07-22 Mccoy William C Steerable and aimable catheter
US4758222A (en) * 1985-05-03 1988-07-19 Mccoy William C Steerable and aimable catheter
JPH0673516B2 (ja) * 1984-01-26 1994-09-21 オリンパス光学工業株式会社 内視鏡
US4586923A (en) * 1984-06-25 1986-05-06 Cordis Corporation Curving tip catheter
JPH0327603Y2 (en]) * 1984-11-28 1991-06-14
US4616656A (en) * 1985-03-19 1986-10-14 Nicholson James E Self-actuating breast lesion probe and method of using
JPS6226041A (ja) * 1985-07-25 1987-02-04 オリンパス光学工業株式会社 可撓管の湾曲機構
US4742817A (en) * 1985-05-15 1988-05-10 Olympus Optical Co., Ltd. Endoscopic apparatus having a bendable insertion section
US4641654A (en) * 1985-07-30 1987-02-10 Advanced Cardiovascular Systems, Inc. Steerable balloon dilatation catheter assembly having dye injection and pressure measurement capabilities
US4748986A (en) * 1985-11-26 1988-06-07 Advanced Cardiovascular Systems, Inc. Floppy guide wire with opaque tip
US4799474A (en) * 1986-03-13 1989-01-24 Olympus Optical Co., Ltd. Medical tube to be inserted in body cavity
US4776844A (en) * 1986-05-02 1988-10-11 Olympus Optical Co., Ltd. Medical tube
JPH07106223B2 (ja) * 1986-07-15 1995-11-15 オリンパス光学工業株式会社 医療用チユ−ブ
US4790624A (en) * 1986-10-31 1988-12-13 Identechs Corporation Method and apparatus for spatially orienting movable members using shape memory effect alloy actuator
US4753223A (en) * 1986-11-07 1988-06-28 Bremer Paul W System for controlling shape and direction of a catheter, cannula, electrode, endoscope or similar article
US4884557A (en) * 1987-05-15 1989-12-05 Olympus Optical Co., Ltd. Endoscope for automatically adjusting an angle with a shape memory alloy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11509751A (ja) * 1995-06-27 1999-08-31 アロウ・インターナショナル・インヴェストメント・コーポレイション マイクロ波除去手術用高捩じれ低抗性操作可能カテーテル

Also Published As

Publication number Publication date
US4944727A (en) 1990-07-31
EP0310295A2 (en) 1989-04-05
EP0310295A3 (en) 1990-09-19
CA1325938C (en) 1994-01-11
JPH01139076A (ja) 1989-05-31
ATE108339T1 (de) 1994-07-15
DE3850628D1 (de) 1994-08-18
DE3850628T2 (de) 1995-03-23
EP0310295B1 (en) 1994-07-13

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