JP2005279306A - 医療装置 - Google Patents
医療装置 Download PDFInfo
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- JP2005279306A JP2005279306A JP2005180270A JP2005180270A JP2005279306A JP 2005279306 A JP2005279306 A JP 2005279306A JP 2005180270 A JP2005180270 A JP 2005180270A JP 2005180270 A JP2005180270 A JP 2005180270A JP 2005279306 A JP2005279306 A JP 2005279306A
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- 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
- A61M25/0136—Handles therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/32056—Surgical snare instruments
-
- 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
-
- 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
- A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/0084—Material properties low friction
- A61B2017/00849—Material properties low friction with respect to tissue, e.g. hollow organs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00853—Material properties low friction, hydrophobic and corrosion-resistant fluorocarbon resin coating (ptf, ptfe, polytetrafluoroethylene)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22038—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with a guide wire
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
- A61B2017/2912—Handles transmission of forces to actuating rod or piston
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
- A61B2017/2912—Handles transmission of forces to actuating rod or piston
- A61B2017/2919—Handles transmission of forces to actuating rod or piston details of linkages or pivot points
- A61B2017/292—Handles transmission of forces to actuating rod or piston details of linkages or pivot points connection of actuating rod to handle, e.g. ball end in recess
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/30—Surgical pincettes without pivotal connections
- A61B2017/301—Surgical pincettes without pivotal connections with three legs
-
- 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
- A61B2018/1407—Loop
-
- 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
- A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
- A61M2025/015—Details of the distal fixation of the movable mechanical means
-
- 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
- A61M25/10—Balloon catheters
Abstract
【解決手段】ハンドル本体(18)と、ハンドル本体に摺動可能に配置された操作部材(24)と、第1のカニューレ(40)及び第2のカニューレ(38)と、双方向への力を伝達する力伝達ケーブル(12)と、ハンドル本体から遠方に設けられた作用要素(20)とを備える。操作部材は複数のプーリー表面を有する。力伝達ケーブルの第1の端部が第1のカニューレに取り付けられ、力伝達ケーブルが第1のカニューレを通ってプーリー表面の周りに伸長し、第2のカニューレを通って延在する。力伝達ケーブルの第2の端部は作用要素に取り付けられる。操作部材の中に収容された力伝達ケーブルの一部分は操作部材内に常に拘束されている。
【選択図】 図2
Description
該絞断器は、絞断器のハンドルにより制御される。絞断器のハンドルは、絞断器に何らかの抵抗が感じられたならば、操作者にもハンドルを通じて感じられるように、忠実度に優れたものであることが望ましい。操作者が、絞断器端における状況を感じることが出来ないならば、焼灼用電流を付与する前に、ポリープ又はその他の組織が切除されて、出血及びその他の有害が生じる可能性がある。
プーリー表面が操作部材に堅固に接合された堅固な形成体の周りに画成され、操作中、ケーブル部分がこの操作部材の周りで相対的な摺動動作をする。
該本体は、操作部材に隣接した堅固な部分と、該堅固な部分の末端方向に伸長する細長い可撓性部分とを備え、力伝達部材の末端部分がこの堅固な部分を貫通して伸長し、また、医療装置は医療用カテーテルの形態をしていることが望ましい。
作用要素は、絞断器、角度付きの絞断器ループ、把持器又はバスケットの何れかである。
16 ハンドル本体の先端部
18 ハンドル本体
20 作用要素
24 操作部材
26 プーリー表面
38 第2のカニューレ
40 第1のカニューレ
Claims (14)
- 医療装置において、
ハンドル本体と、前記ハンドル本体に摺動可能に配置された操作部材と、第1のカニューレ及び第2のカニューレと、双方向への力を伝達する力伝達ケーブルと、前記ハンドル本体から遠方に設けられた作用要素とを備え、
前記ハンドル本体は先端部を有し、
前記操作部材は複数のプーリー表面を有し、
前記第1のカニューレは前記ハンドル本体に取り付けられた第1の端部と、前記操作部材の中に入れ子式に配置された第2の端部とを有し、
前記第2のカニューレは前記操作部材に取り付けられた第1の端部と、前記ハンドル本体の先端部に入れ子式に配置された第2の端部とを有し、
前記力伝達ケーブルの第1の端部が前記第1のカニューレに取り付けられ、前記力伝達ケーブルが前記第1のカニューレを通って前記プーリー表面の周りに伸長し、且つ前記第2のカニューレを通り、前記力伝達ケーブルの第2の端部が前記作用要素に取り付けられ、
前記操作部材の中に収容された力伝達ケーブルの一部分は、前記操作部材が前記ハンドル本体に関して所定の距離、一方向に動くことにより、前記作用要素が前記所定の距離よりも著しく長い距離を移動するように、前記操作部材内に常に拘束されていることを特徴とする医療装置。 - 請求項1に記載の医療装置において、前記プーリー表面が前記操作部材に堅固に接合された堅固な形成体により形成され、前記力伝達ケーブルの一部分が前記プーリー表面の周りに沿って摺動する、ことを特徴とする医療装置。
- 請求項1に記載の医療装置において、前記プーリー表面が、前記操作部材に取り付けられた軸に回転可能に装着されていることを特徴とする医療装置。
- 請求項1に記載の医療装置において、前記操作部材の中に常に拘束された力伝達ケーブルの一部分が、前記作用要素に作用する軸方向推進力を伝達し得るようにしたことを特徴とする医療装置。
- 請求項1に記載の医療装置において、前記力伝達ケーブルが貫通して延在する、前記ハンドル本体に取り付けられた細長い可撓性の末端部分を更に備えていることを特徴とする医療装置。
- 請求項5に記載の医療装置において、前記細長い可撓性の末端部分が医療用カテーテルを備えていることを特徴とする医療装置。
- 請求項1に記載の医療装置において、前記力伝達ケーブルが、張力及び圧縮力の双方を前記操作部材から前記作用要素まで伝達し得る形態であることを特徴とする医療装置。
- 請求項1に記載の医療装置にして、前記操作部材が、操作者の指を係合させることの出来る少なくとも一つのループを更に備えることを特徴とする医療装置。
- 請求項1に記載の医療装置にして、前記ハンドル本体が、前記ハンドル本体の中央に配置された親指操作ループにて終端となり、前記操作部材が、前記親指操作ループの両側部に設けられた二つの指操作ループを有することを特徴とする医療装置。
- 請求項1に記載の医療装置にして、前記操作部材が、前記ハンドル本体と摺動可能に係合した堅固なガイド管を備えることを特徴とする医療装置。
- 請求項1に記載の医療装置にして、前記作用要素が絞断器であることを特徴とする医療装置。
- 医療用絞断器にして、
ハンドル本体と、前記ハンドル本体に摺動可能に取り付けられた操作部材と、第1のカニューレ及び第2のカニューレと、双方向への力を伝達する力伝達ケーブルと、前記ハンドル本体から末端側へ延びるシースと、前記ハンドル本体から遠方に設けられた絞断器のループとを備え、
前記ハンドル本体が先端部を有し、
前記操作部材は複数のプーリー表面を有し、
前記第1のカニューレは前記ハンドル本体に取り付けられた第1の端部と、前記操作部材の中に入れ子式に配置された第2の端部とを有し、
前記第2のカニューレは前記操作部材に取り付けられた第1の端部と、前記ハンドル本体の先端部に入れ子式に配置された第2の端部とを有し、
前記力伝達ケーブルの第1の端部が前記第1のカニューレに取り付けられ、前記力伝達ケーブルが前記第1のカニューレを通って前記プーリー表面の周りに伸長し、且つ前記第2のカニューレ及び前記シースを通り、前記力伝達ケーブルの第2の端部が前記絞断器のループに取り付けられ、
前記操作部材の中に収容された力伝達ケーブルの一部分は、前記操作部材が前記ハンドル本体に関して所定の距離、一方向に動くことにより、前記絞断器のループが前記所定の距離よりも著しく長い距離を移動するように、前記操作部材内に常に拘束されていることを特徴とする医療装置。 - 請求項12に記載の医療用絞断器において、前記プーリー表面が前記操作部材に堅固に接合された堅固な形成体により形成され、前記力伝達ケーブルの一部分が前記プーリー表面の周りに沿って摺動することを特徴とする医療装置。
- 請求項12に記載の医療装置において、前記プーリー表面が、前記操作部材に取り付けられた軸に回転可能に装着されていることを特徴とする医療装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/109,609 US5376094A (en) | 1993-08-19 | 1993-08-19 | Improved actuating handle with pulley system for providing mechanical advantage to a surgical working element |
US08/138,863 US5562619A (en) | 1993-08-19 | 1993-10-19 | Deflectable catheter |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7507183A Division JPH09504188A (ja) | 1993-08-19 | 1994-08-15 | 改良に係る操作ハンドルを備える医療器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005279306A true JP2005279306A (ja) | 2005-10-13 |
JP4121518B2 JP4121518B2 (ja) | 2008-07-23 |
Family
ID=26807153
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7507183A Pending JPH09504188A (ja) | 1993-08-19 | 1994-08-15 | 改良に係る操作ハンドルを備える医療器具 |
JP7507189A Ceased JPH09504445A (ja) | 1993-08-19 | 1994-08-15 | 偏向型カテーテル |
JP2005180270A Expired - Fee Related JP4121518B2 (ja) | 1993-08-19 | 2005-06-21 | 医療装置 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7507183A Pending JPH09504188A (ja) | 1993-08-19 | 1994-08-15 | 改良に係る操作ハンドルを備える医療器具 |
JP7507189A Ceased JPH09504445A (ja) | 1993-08-19 | 1994-08-15 | 偏向型カテーテル |
Country Status (6)
Country | Link |
---|---|
US (2) | US5562619A (ja) |
EP (2) | EP0714268B1 (ja) |
JP (3) | JPH09504188A (ja) |
CA (2) | CA2168968C (ja) |
DE (1) | DE69432182T2 (ja) |
WO (2) | WO1995005129A1 (ja) |
Families Citing this family (413)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5562619A (en) | 1993-08-19 | 1996-10-08 | Boston Scientific Corporation | Deflectable catheter |
US6203531B1 (en) * | 1993-11-03 | 2001-03-20 | Daig Corporation | Guiding introducers for use in the treatment of accessory pathways around the mitral valve using a retrograde approach |
US6071274A (en) | 1996-12-19 | 2000-06-06 | Ep Technologies, Inc. | Loop structures for supporting multiple electrode elements |
US5599305A (en) * | 1994-10-24 | 1997-02-04 | Cardiovascular Concepts, Inc. | Large-diameter introducer sheath having hemostasis valve and removable steering mechanism |
EP0812155B1 (en) | 1995-02-02 | 2003-12-17 | Boston Scientific Corporation | Surgical wire basket extractor |
US6348056B1 (en) | 1999-08-06 | 2002-02-19 | Scimed Life Systems, Inc. | Medical retrieval device with releasable retrieval basket |
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-
1994
- 1994-08-15 EP EP94925942A patent/EP0714268B1/en not_active Expired - Lifetime
- 1994-08-15 DE DE69432182T patent/DE69432182T2/de not_active Expired - Lifetime
- 1994-08-15 EP EP94925946A patent/EP0714262A4/en not_active Withdrawn
- 1994-08-15 CA CA002168968A patent/CA2168968C/en not_active Expired - Fee Related
- 1994-08-15 WO PCT/US1994/009346 patent/WO1995005129A1/en active IP Right Grant
- 1994-08-15 CA CA002168969A patent/CA2168969A1/en not_active Abandoned
- 1994-08-15 JP JP7507183A patent/JPH09504188A/ja active Pending
- 1994-08-15 WO PCT/US1994/009354 patent/WO1995005116A1/en not_active Application Discontinuation
- 1994-08-15 JP JP7507189A patent/JPH09504445A/ja not_active Ceased
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1996
- 1996-10-08 US US08/727,077 patent/US5865800A/en not_active Expired - Fee Related
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2005
- 2005-06-21 JP JP2005180270A patent/JP4121518B2/ja not_active Expired - Fee Related
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US5865800A (en) | 1999-02-02 |
CA2168968C (en) | 2005-06-14 |
EP0714268A1 (en) | 1996-06-05 |
EP0714268A4 (en) | 1997-05-21 |
EP0714268B1 (en) | 2003-02-26 |
DE69432182T2 (de) | 2003-10-23 |
WO1995005129A1 (en) | 1995-02-23 |
CA2168969A1 (en) | 1995-02-23 |
JPH09504188A (ja) | 1997-04-28 |
CA2168968A1 (en) | 1995-02-23 |
JP4121518B2 (ja) | 2008-07-23 |
WO1995005116A1 (en) | 1995-02-23 |
DE69432182D1 (de) | 2003-04-03 |
EP0714262A4 (en) | 1997-06-04 |
US5562619A (en) | 1996-10-08 |
EP0714262A1 (en) | 1996-06-05 |
JPH09504445A (ja) | 1997-05-06 |
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