CA2025872A1 - Valvuloplasty catheter with balloon which remains stable during inflation - Google Patents

Valvuloplasty catheter with balloon which remains stable during inflation

Info

Publication number
CA2025872A1
CA2025872A1 CA2025872A CA2025872A CA2025872A1 CA 2025872 A1 CA2025872 A1 CA 2025872A1 CA 2025872 A CA2025872 A CA 2025872A CA 2025872 A CA2025872 A CA 2025872A CA 2025872 A1 CA2025872 A1 CA 2025872A1
Authority
CA
Canada
Prior art keywords
expander member
tube
valve
balloon
valvuloplasty catheter
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
CA2025872A
Other languages
French (fr)
Other versions
CA2025872C (en
Inventor
Robert C. Owens
Mark A. Rydell
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.)
Schneider USA Inc
Original Assignee
Robert C. Owens
Mark A. Rydell
Schneider (Usa) Inc., A Pfizer Company
Schneider (Usa) Inc.
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 Robert C. Owens, Mark A. Rydell, Schneider (Usa) Inc., A Pfizer Company, Schneider (Usa) Inc. filed Critical Robert C. Owens
Publication of CA2025872A1 publication Critical patent/CA2025872A1/en
Application granted granted Critical
Publication of CA2025872C publication Critical patent/CA2025872C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61M29/00—Dilators with or without means for introducing media, e.g. remedies
    • A61M29/02—Dilators made of swellable material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00743—Type of operation; Specification of treatment sites
    • A61B2017/00778—Operations on blood vessels
    • A61B2017/00783—Valvuloplasty
    • 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
    • A61B2017/22098—Decalcification of valves

Abstract

A valvuloplasty catheter (10) is described which includes an elongated flexible plastic tube (12) dimensioned so as to allow it to be passed through the vascular system. Affixed to the distal end portion (14) of the tube (12) is an inflatable expander member (32) which is intended to be positioned in the annulus of the valve to be treated. Inflation ports (28, 30) expose the interior of the expander member (32) to the lumen (18) of the tube (12) so that when an inflation fluid is injected, under pressure, at the distal end of the tube, the expander member (32) expands radially outward to spread the valve and free-up its leaflets.
The novelty resides in providing first and second inflation ports (28, 30) of differing size so that the expander member (32) inflates so as to create a dog-bone effect, tending to stabilize the expander member (32) relative to the valve being treated.
CA002025872A 1989-09-22 1990-09-20 Valvuloplasty catheter with balloon which remains stable during inflation Expired - Fee Related CA2025872C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/410,852 US4986830A (en) 1989-09-22 1989-09-22 Valvuloplasty catheter with balloon which remains stable during inflation
US410,852 1989-09-22

Publications (2)

Publication Number Publication Date
CA2025872A1 true CA2025872A1 (en) 1991-03-23
CA2025872C CA2025872C (en) 1995-11-21

Family

ID=23626501

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002025872A Expired - Fee Related CA2025872C (en) 1989-09-22 1990-09-20 Valvuloplasty catheter with balloon which remains stable during inflation

Country Status (8)

Country Link
US (1) US4986830A (en)
EP (1) EP0419291B1 (en)
JP (1) JPH03205063A (en)
AT (1) ATE109362T1 (en)
CA (1) CA2025872C (en)
DE (2) DE9013332U1 (en)
DK (1) DK0419291T3 (en)
ES (1) ES2057427T3 (en)

Families Citing this family (375)

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EP0419291B1 (en) 1994-08-03
US4986830A (en) 1991-01-22
ES2057427T3 (en) 1994-10-16
EP0419291A1 (en) 1991-03-27
JPH0575433B2 (en) 1993-10-20
DE9013332U1 (en) 1991-02-07
DK0419291T3 (en) 1994-11-28
ATE109362T1 (en) 1994-08-15
JPH03205063A (en) 1991-09-06
CA2025872C (en) 1995-11-21
DE69011260D1 (en) 1994-09-08

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