CA2176826A1 - Guiding Catheter - Google Patents

Guiding Catheter

Info

Publication number
CA2176826A1
CA2176826A1 CA2176826A CA2176826A CA2176826A1 CA 2176826 A1 CA2176826 A1 CA 2176826A1 CA 2176826 A CA2176826 A CA 2176826A CA 2176826 A CA2176826 A CA 2176826A CA 2176826 A1 CA2176826 A1 CA 2176826A1
Authority
CA
Canada
Prior art keywords
stem
sleeve
polyether block
block amide
proximal
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
CA2176826A
Other languages
French (fr)
Other versions
CA2176826C (en
Inventor
Nusayr Azam
John B. Logan
Brad J. Wessman
William R. Priedeman
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
Nusayr Azam
John B. Logan
Brad J. Wessman
William R. Priedeman
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 Nusayr Azam, John B. Logan, Brad J. Wessman, William R. Priedeman, Schneider (Usa) Inc. filed Critical Nusayr Azam
Publication of CA2176826A1 publication Critical patent/CA2176826A1/en
Application granted granted Critical
Publication of CA2176826C publication Critical patent/CA2176826C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/081—Gamma radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/04—Macromolecular materials
    • A61L29/049—Mixtures of macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/08—Materials for coatings
    • A61L29/085—Macromolecular materials
    • 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
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
    • 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
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/0069—Tip not integral with tube
    • 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
    • A61M2025/0098—Catheters; Hollow probes having a strain relief at the proximal end, e.g. sleeve
    • 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
    • A61M25/0009—Making of catheters or other medical or surgical tubes
    • A61M25/001—Forming the tip of a catheter, e.g. bevelling process, join or taper
    • 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
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
    • 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
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
    • A61M25/0053—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid

Abstract

A catheter (10) is disclosed having a proximal shaft formed from an inner liner (21) formed from a copolymer of polyvinylidene fluoride and hexafluoropropylene, an outer jacket (23) formed from a blend of nylon and polyether block amide or polyether block amide alone, and a soft flexible tip (30) affixed to the distal end of the proximal shaft formed from polyether block amide. A stem (50) may be located between the proximal shaft and the soft flexible tip (30). The stem (50) has an outer jacket formed from a proximal stem transition sleeve (51) with a tapered distal end and a distal stem sleeve (52) with a complementary tapered proximal end connected to the tapered distal end of the proximal stem transition sleeve (51). The stem transition sleeve (51) and the stem sleeve (52) are both formed from polyether block amide alone or a blend of polyether block amide and nylon. The outer jacket (23) may be the same hardness as or harder than the stem transition sleeve (51) which in turn is harder tham the stem sleeve (52) and the soft flexible tip (30). An intermediate wire mesh braid extends through the proximal shaft and, if desired, through the stem.
CA002176826A 1993-12-10 1994-11-01 Guiding catheter Expired - Fee Related CA2176826C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16512793A 1993-12-10 1993-12-10
US08/165,127 1993-12-10
PCT/IB1994/000336 WO1995015780A2 (en) 1993-12-10 1994-11-01 Guiding catheter

Publications (2)

Publication Number Publication Date
CA2176826A1 true CA2176826A1 (en) 1995-06-15
CA2176826C CA2176826C (en) 2000-09-26

Family

ID=22597540

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002176826A Expired - Fee Related CA2176826C (en) 1993-12-10 1994-11-01 Guiding catheter

Country Status (9)

Country Link
US (1) US5860963A (en)
EP (2) EP0852955B1 (en)
JP (1) JP2791222B2 (en)
AT (1) ATE169831T1 (en)
AU (2) AU677443B2 (en)
CA (1) CA2176826C (en)
DE (2) DE69428721T2 (en)
DK (1) DK0732954T3 (en)
WO (1) WO1995015780A2 (en)

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AU690046B2 (en) 1998-04-09
DE69412638T2 (en) 1998-12-24
WO1995015780A2 (en) 1995-06-15
EP0852955A3 (en) 1998-08-05
DE69428721D1 (en) 2001-11-22
US5860963A (en) 1999-01-19
DE69412638D1 (en) 1998-09-24
JPH09500313A (en) 1997-01-14
WO1995015780A3 (en) 1995-09-21
EP0852955B1 (en) 2001-10-17
DK0732954T3 (en) 1999-01-11
CA2176826C (en) 2000-09-26
ATE169831T1 (en) 1998-09-15
EP0732954A1 (en) 1996-09-25
AU1241097A (en) 1997-03-20
EP0732954B1 (en) 1998-08-19
AU7860994A (en) 1995-06-27
DE69428721T2 (en) 2002-06-20
EP0852955A2 (en) 1998-07-15
AU677443B2 (en) 1997-04-24
JP2791222B2 (en) 1998-08-27

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