CA2304653A1 - Dilation systems and related methods - Google Patents

Dilation systems and related methods Download PDF

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Publication number
CA2304653A1
CA2304653A1 CA002304653A CA2304653A CA2304653A1 CA 2304653 A1 CA2304653 A1 CA 2304653A1 CA 002304653 A CA002304653 A CA 002304653A CA 2304653 A CA2304653 A CA 2304653A CA 2304653 A1 CA2304653 A1 CA 2304653A1
Authority
CA
Canada
Prior art keywords
dilation
variety
dilating
diameters
related methods
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
CA002304653A
Other languages
French (fr)
Other versions
CA2304653C (en
Inventor
Srinivas Nishtala
Stephane Gobron
Jeff Smith
Tim Ward
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.)
Boston Scientific Ltd Barbados
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
Application filed by Individual filed Critical Individual
Publication of CA2304653A1 publication Critical patent/CA2304653A1/en
Application granted granted Critical
Publication of CA2304653C publication Critical patent/CA2304653C/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
    • 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
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0662—Guide tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
    • 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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M2025/0024—Expandable catheters or sheaths

Abstract

Devices and methods permit dilation of a track of a body to any of a plurality of diameters using a single integrated device that can reach any of a plurality of expanded diameters upon actuation by a user of an actuating mechanism which directs and controls the dilation of a dilating element to which it is connected by a dial and transmission mechanism. A variety of dials, transmission mechanisms and dilating elements are disclosed which may be combined in a variety of ways. The dilating element comprises a spirally wound flat metal sheet locked in a first unexpanded configuration and unlocked to expand at the treatment site carrying out a dilatation.
CA002304653A 1997-10-01 1998-09-30 Dilation systems and related methods Expired - Fee Related CA2304653C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US6021797P 1997-10-01 1997-10-01
US60/060,217 1997-10-01
US8729498P 1998-05-29 1998-05-29
US60/087,294 1998-05-29
PCT/US1998/020438 WO1999016499A1 (en) 1997-10-01 1998-09-30 Dilation systems and related methods

Publications (2)

Publication Number Publication Date
CA2304653A1 true CA2304653A1 (en) 1999-04-08
CA2304653C CA2304653C (en) 2005-07-05

Family

ID=26739699

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002304653A Expired - Fee Related CA2304653C (en) 1997-10-01 1998-09-30 Dilation systems and related methods

Country Status (8)

Country Link
US (2) US6616678B2 (en)
EP (1) EP1019141B1 (en)
JP (1) JP2001518328A (en)
AU (1) AU739331B2 (en)
CA (1) CA2304653C (en)
DE (1) DE69837611T2 (en)
IL (1) IL135360A (en)
WO (1) WO1999016499A1 (en)

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US20010012950A1 (en) 2001-08-09
US20040049223A1 (en) 2004-03-11
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IL135360A (en) 2005-07-25
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