CA2131702A1 - Improved Venous Valve Cutter for In-Situ Incision of Venous Valve Leaflets - Google Patents

Improved Venous Valve Cutter for In-Situ Incision of Venous Valve Leaflets

Info

Publication number
CA2131702A1
CA2131702A1 CA 2131702 CA2131702A CA2131702A1 CA 2131702 A1 CA2131702 A1 CA 2131702A1 CA 2131702 CA2131702 CA 2131702 CA 2131702 A CA2131702 A CA 2131702A CA 2131702 A1 CA2131702 A1 CA 2131702A1
Authority
CA
Canada
Prior art keywords
venous valve
incision
situ
cutter
cutting
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
Application number
CA 2131702
Other languages
French (fr)
Other versions
CA2131702C (en
Inventor
Mark Goldberg
Alexander Poloyko
Edward M. Goldberg
Lev Melinyshyn
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.)
Uresil Corp
Original Assignee
Mark Goldberg
Alexander Poloyko
Edward M. Goldberg
Lev Melinyshyn
Uresil Corporation
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
Application filed by Mark Goldberg, Alexander Poloyko, Edward M. Goldberg, Lev Melinyshyn, Uresil Corporation filed Critical Mark Goldberg
Publication of CA2131702A1 publication Critical patent/CA2131702A1/en
Application granted granted Critical
Publication of CA2131702C publication Critical patent/CA2131702C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61B17/22—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

Abstract

An improved valve cutter (10) for in-situ incision of valve leaflets which safely, efficiently, and consistently renders venous valves incompetent while minimizing frictional forces on the endothelium of the vessel and preventing inadvertent contact between cutting surfaces and the intima of the vein wall. The valve cutter (10) includes a plurality of proximally directed prongs (36) presenting sharp edges, where the prongs (36) are separated by slots (38) similarly presenting sharp edges to pierce the valve leaflets so that the cutting head (12) is provided with a continuous cutting surface in multiple planes running along the entire forward edge of the cutting head. Means are provided for viewing the valves as they are penetrated by the sharp cutting edges.
CA002131702A 1992-04-09 1993-04-09 Improved venous valve cutter for in-situ incision of venous valve leaflets Expired - Fee Related CA2131702C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/865,850 US5304189A (en) 1992-04-09 1992-04-09 Venous valve cutter for in situ incision of venous valve leaflets
US07/865,850 1992-04-09

Publications (2)

Publication Number Publication Date
CA2131702A1 true CA2131702A1 (en) 1993-10-28
CA2131702C CA2131702C (en) 1999-03-23

Family

ID=25346379

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002131702A Expired - Fee Related CA2131702C (en) 1992-04-09 1993-04-09 Improved venous valve cutter for in-situ incision of venous valve leaflets

Country Status (8)

Country Link
US (2) US5304189A (en)
EP (1) EP0680281B1 (en)
JP (1) JP3321165B2 (en)
AU (1) AU673522B2 (en)
CA (1) CA2131702C (en)
DE (1) DE69329466T2 (en)
ES (1) ES2151905T3 (en)
WO (1) WO1993020764A1 (en)

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Also Published As

Publication number Publication date
EP0680281B1 (en) 2000-09-20
DE69329466T2 (en) 2001-02-08
CA2131702C (en) 1999-03-23
US5304189A (en) 1994-04-19
US5601580A (en) 1997-02-11
ES2151905T3 (en) 2001-01-16
JP3321165B2 (en) 2002-09-03
AU673522B2 (en) 1996-11-14
EP0680281A1 (en) 1995-11-08
JPH07505796A (en) 1995-06-29
EP0680281A4 (en) 1994-12-14
WO1993020764A1 (en) 1993-10-28
AU3976693A (en) 1993-11-18
DE69329466D1 (en) 2000-10-26

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