JPH05502814A - 調節可能な管腔内弁切開器 - Google Patents
調節可能な管腔内弁切開器Info
- Publication number
- JPH05502814A JPH05502814A JP3507736A JP50773691A JPH05502814A JP H05502814 A JPH05502814 A JP H05502814A JP 3507736 A JP3507736 A JP 3507736A JP 50773691 A JP50773691 A JP 50773691A JP H05502814 A JPH05502814 A JP H05502814A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- valve
- cutting
- cutting blade
- blades
- 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.)
- Granted
Links
Classifications
-
- 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
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/32075—Pullback cutting; combined forward and pullback cutting, e.g. with cutters at both sides of the plaque
-
- 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
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
-
- 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
- A61B2017/22097—Valve removal in veins
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Claims (8)
- 1.遠位端部および近位端部を有する中空の管状部材と、前記管状部材の前記遠 位端部に対して伸張位置と引っ込み位置との間で、および互いから間隔を隔てる 開放位置と、互いにぴったりと引き寄せられる閉鎖位置との間で移動可能な第1 および第2の実質的の同じ対向した切断ブレードとを備え、前記切断ブレードは 、前記引っ込み位置にあるときには前記閉鎖位置にあり、前記伸張位置にあると きには前記開放位置にあり、前記切断ブレードの各々は複合的な凸形内面、複合 的な凹形外面、伸張方向における前方の鈍い縁部、引っ込み方向における後方刃 、および一対の対向側縁部を有しており、前記側縁部の一方は鈍い縁部であり、 前記側縁部の他方は刃であり、前記切断ブレードの前記内面前記位置すべてにお いて実質的に互いに面しており、前記別方の鈍い縁部は前記切断ブレートが前記 閉鎖/引っ込み位置にあるときに相接し、 前記中空の管状部材内に摺動可能に配置され、前記第1および第2切断ブレード を前記伸張位置および引っ込み位置と、前記伸張位置と引っ込み位置の間の複数 の部分伸張位置との間で移動させるための制御手段と、前記制御手段が前記第1 および第2切断ブレードを前記引っ込み位置から前記伸張位置まで移動させると き、前記第1および第2切断ブレードを前記閉鎖位置から前記開放位置まで互い にから横方向に移動させるための間隔手段と、前記引っ込み/閉鎖位置において 前記第1および第2切断ブレードの少なくとも前記後方刃を保護するための保護 手段とを備えたことを特徴とする調節可能な管腔内弁切開器。
- 2.前記側方刃は前記切断ブレードの前記内面から内方に延びており、それによ り、前記切断ブレードが前記閉鎖位置にあるとき、前記刃はいずれの周囲の組織 とも接触しないように保護されることを特徴とする請求項1に記載の弁切開器。
- 3.前記間隔手段は前記第1および第2切断ブレードを互いに離れるように横方 向に付勢するための付勢手段よりなることを特徴とする請求項1に記載の弁切開 器。
- 4.前記制御手段は、近位端部、および前記第1切断ブレードに取付けられた遠 位端部を有する第1ワイヤ要素と、近位端部、および前記第2切断ブレードに取 付けられた遠位端部を有する第2ワイヤ要素とを備えていることを特徴とする請 求項1に記載の弁切開器。
- 5.前記制御手段は更に前記第1および第2ワイヤ要素の前記近位端部に連結さ れた第3ワイヤ要素を備えていることを特徴とする請求項4に記載の弁切開器。
- 6.前記第1および第2ワイヤ要素は各々、前記後方刃の近傍に曲がり部を有す ることを特徴とする請求項4に記載の弁切開器。
- 7.前記保護手段は、前記管状部材の前記遠位端部に形成され、前記第1および 第2切断ブレードの少なくとも一部を包囲するための受け部手段よりなることを 特徴とする請求項1に記載の弁切開器。
- 8.前記受け部はカツプ状であり、引っ込み方向に内方にテーパした側部を有し ていることを特徴とする請求項7に記載の弁切開器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1990/006541 WO1992008414A1 (en) | 1990-11-16 | 1990-11-16 | Adjustable intra-luminal valvulotome |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05502814A true JPH05502814A (ja) | 1993-05-20 |
JPH0761335B2 JPH0761335B2 (ja) | 1995-07-05 |
Family
ID=22221150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3507736A Expired - Lifetime JPH0761335B2 (ja) | 1990-11-16 | 1990-11-16 | 調節可能な管腔内弁切開器 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0511323B1 (ja) |
JP (1) | JPH0761335B2 (ja) |
DE (1) | DE69031595T2 (ja) |
WO (1) | WO1992008414A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9066804B2 (en) | 1994-09-02 | 2015-06-30 | Puget Bioventures Llc | Method and apparatus for femoral and tibial resection |
US9192391B2 (en) | 2001-03-05 | 2015-11-24 | Puget Bioventures Llc | Method for minimally invasive total knee arthroplasty |
US9814539B2 (en) | 2004-01-14 | 2017-11-14 | Puget Bioventures Llc | Methods and apparatus for conformable prosthetic implants |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5522824A (en) * | 1994-01-24 | 1996-06-04 | Applied Medical Resources Corporation | Valvulotome and method for making and using same |
US7717930B2 (en) | 2004-02-27 | 2010-05-18 | Cook Incorporated | Valvulotome with a cutting edge |
US8398663B2 (en) | 2004-02-27 | 2013-03-19 | Cook Medical Technologies Llc | Valvulotome device and method |
IT1395890B1 (it) * | 2009-07-24 | 2012-10-26 | Zeppi | Dispositivo per il trattamento di malformazioni valvolari in vasi venosi periferici, quali ad esempio le vene giugulari interne, e relativo corredo |
US9782191B2 (en) | 2014-01-21 | 2017-10-10 | Cook Medical Technologies Llc | Cutting devices and methods |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US518600A (en) * | 1894-04-24 | Surgical instrument | ||
US2655154A (en) * | 1952-12-05 | 1953-10-13 | Richter Bruno | Valvulotome |
DE1266446B (de) * | 1964-02-24 | 1968-04-18 | Fischer Fa F L | Mikroinstrument fuer Operationen in Koerperhoehlen |
US3404677A (en) * | 1965-07-08 | 1968-10-08 | Henry A. Springer | Biopsy and tissue removing device |
US4200111A (en) * | 1978-09-21 | 1980-04-29 | Harris Arthur M | Specimen removal instrument |
US4655217A (en) * | 1985-10-11 | 1987-04-07 | Reed Matt H | Method and apparatus for disabling vein valves in-situ |
US4768508A (en) * | 1986-06-06 | 1988-09-06 | Thomas J. Fogarty | Vein valve cutting method |
US4886061A (en) * | 1988-02-09 | 1989-12-12 | Medinnovations, Inc. | Expandable pullback atherectomy catheter system |
DE3830704A1 (de) * | 1988-09-09 | 1990-03-22 | Falah Redha | Medizinisches instrument |
US5069679A (en) * | 1989-02-16 | 1991-12-03 | Taheri Syde A | Method and apparatus for removing venous valves |
-
1990
- 1990-11-16 DE DE69031595T patent/DE69031595T2/de not_active Expired - Lifetime
- 1990-11-16 WO PCT/US1990/006541 patent/WO1992008414A1/en active IP Right Grant
- 1990-11-16 EP EP91907795A patent/EP0511323B1/en not_active Expired - Lifetime
- 1990-11-16 JP JP3507736A patent/JPH0761335B2/ja not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9066804B2 (en) | 1994-09-02 | 2015-06-30 | Puget Bioventures Llc | Method and apparatus for femoral and tibial resection |
US9192391B2 (en) | 2001-03-05 | 2015-11-24 | Puget Bioventures Llc | Method for minimally invasive total knee arthroplasty |
US9421022B2 (en) | 2001-03-05 | 2016-08-23 | Puget Bioventures Llc | Method and apparatus for total knee arthroplasty |
US9814539B2 (en) | 2004-01-14 | 2017-11-14 | Puget Bioventures Llc | Methods and apparatus for conformable prosthetic implants |
Also Published As
Publication number | Publication date |
---|---|
WO1992008414A1 (en) | 1992-05-29 |
EP0511323A4 (ja) | 1994-01-12 |
EP0511323B1 (en) | 1997-10-15 |
EP0511323A1 (en) | 1992-11-04 |
DE69031595T2 (de) | 1998-03-12 |
JPH0761335B2 (ja) | 1995-07-05 |
DE69031595D1 (de) | 1997-11-20 |
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