WO1999044666A3 - Catheter tip designs and methods for improved stent crossing - Google Patents

Catheter tip designs and methods for improved stent crossing Download PDF

Info

Publication number
WO1999044666A3
WO1999044666A3 PCT/US1999/003438 US9903438W WO9944666A3 WO 1999044666 A3 WO1999044666 A3 WO 1999044666A3 US 9903438 W US9903438 W US 9903438W WO 9944666 A3 WO9944666 A3 WO 9944666A3
Authority
WO
WIPO (PCT)
Prior art keywords
distal
tube
catheter
innermost
guide wire
Prior art date
Application number
PCT/US1999/003438
Other languages
French (fr)
Other versions
WO1999044666A2 (en
Inventor
Tracee E J Eidenschink
Timothy J Mickley
Christopher R Larson
Steven P Mertens
Charles L Euteneuer
Original Assignee
Scimed Life Systems 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
Priority claimed from US09/034,421 external-priority patent/US6113579A/en
Application filed by Scimed Life Systems Inc filed Critical Scimed Life Systems Inc
Priority to CA002322642A priority Critical patent/CA2322642C/en
Priority to AT99909503T priority patent/ATE292489T1/en
Priority to DE69924611T priority patent/DE69924611T2/en
Priority to EP99909503A priority patent/EP1094861B1/en
Priority to JP2000534263A priority patent/JP4295919B2/en
Publication of WO1999044666A2 publication Critical patent/WO1999044666A2/en
Publication of WO1999044666A3 publication Critical patent/WO1999044666A3/en

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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/008—Strength or flexibility characteristics of the catheter tip
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/008—Strength or flexibility characteristics of the catheter tip
    • A61M2025/0081—Soft tip
    • 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
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1093—Balloon catheters with special features or adapted for special applications having particular tip characteristics
    • 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
    • A61M25/02—Holding devices, e.g. on the body
    • A61M25/04—Holding devices, e.g. on the body in the body, e.g. expansible
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

A balloon catheter having a first balloon member and a second distal expandable member. The increased distal profile of the catheter with inflation of the second distal expandable member can deflect the distal-most end away from stent walls and edges. Another catheter has a distal region including longitudinal slits and a pre-stressed body configured to expand upon exposure to warm body fluids. Another catheter has a distal region including a first, inner tube disposed about a second, innermost tube. The inner and innermost tubes are secured at the distal-most end. The distal region includes longitudinal slits through the inner tube, thereby defining flaps between the slits. The innermost tube can be retracted relative to the inner tube disposed about the innermost tube, thereby causing the longitudinal flaps to expand outward, thereby increasing the maximum radial extent of the distal region. In yet another embodiment, a balloon catheter having a first guide wire tube is provided. A second guide wire tube is also provided, adapted to be received within the larger, first guide wire tube.
PCT/US1999/003438 1998-03-04 1999-02-18 Catheter tip designs and methods for improved stent crossing WO1999044666A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002322642A CA2322642C (en) 1998-03-04 1999-02-18 Catheter tip designs and methods for improved stent crossing
AT99909503T ATE292489T1 (en) 1998-03-04 1999-02-18 CATHETER WITH SPECIAL CATHETER TIP DESIGN FOR IMPROVED PASSAGE THROUGH A STENT
DE69924611T DE69924611T2 (en) 1998-03-04 1999-02-18 CATHETER WITH SPECIAL DESIGN OF CATHETER TIP FOR IMPROVED IMPLEMENTATION THROUGH A STENT
EP99909503A EP1094861B1 (en) 1998-03-04 1999-02-18 Catheter tip designs for improved stent crossing
JP2000534263A JP4295919B2 (en) 1998-03-04 1999-02-18 Method for improving penetration of catheter tip and stent

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/034,421 1998-03-04
US09/034,421 US6113579A (en) 1998-03-04 1998-03-04 Catheter tip designs and methods for improved stent crossing
US09/233,553 US6517515B1 (en) 1998-03-04 1999-01-20 Catheter having variable size guide wire lumen
US09/233,553 1999-01-20

Publications (2)

Publication Number Publication Date
WO1999044666A2 WO1999044666A2 (en) 1999-09-10
WO1999044666A3 true WO1999044666A3 (en) 2001-03-08

Family

ID=26710920

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/003438 WO1999044666A2 (en) 1998-03-04 1999-02-18 Catheter tip designs and methods for improved stent crossing

Country Status (7)

Country Link
US (1) US6517515B1 (en)
EP (1) EP1094861B1 (en)
JP (1) JP4295919B2 (en)
AT (1) ATE292489T1 (en)
CA (1) CA2322642C (en)
DE (1) DE69924611T2 (en)
WO (1) WO1999044666A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8973239B2 (en) 2004-12-10 2015-03-10 Boston Scientific Scimed, Inc. Catheter having an ultra soft tip and methods for making the same

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EP1094861A2 (en) 2001-05-02
DE69924611D1 (en) 2005-05-12
DE69924611T2 (en) 2005-09-15
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US6517515B1 (en) 2003-02-11
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CA2322642A1 (en) 1999-09-10
JP4295919B2 (en) 2009-07-15

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