CA2057004A1 - Catheter with Low-Friction Distal Segment - Google Patents

Catheter with Low-Friction Distal Segment

Info

Publication number
CA2057004A1
CA2057004A1 CA2057004A CA2057004A CA2057004A1 CA 2057004 A1 CA2057004 A1 CA 2057004A1 CA 2057004 A CA2057004 A CA 2057004A CA 2057004 A CA2057004 A CA 2057004A CA 2057004 A1 CA2057004 A1 CA 2057004A1
Authority
CA
Canada
Prior art keywords
catheter
small
low
distal segment
surface structure
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
CA2057004A
Other languages
French (fr)
Other versions
CA2057004C (en
Inventor
Erik T. Engelson
Ivan Sepetka
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.)
Target Therapeutics Inc
Original Assignee
Erik T. Engelson
Ivan Sepetka
Target Therapeutics, Inc. (California Corporation)
Target Therapeutics, Inc. (Delaware 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 Erik T. Engelson, Ivan Sepetka, Target Therapeutics, Inc. (California Corporation), Target Therapeutics, Inc. (Delaware Corporation) filed Critical Erik T. Engelson
Publication of CA2057004A1 publication Critical patent/CA2057004A1/en
Application granted granted Critical
Publication of CA2057004C publication Critical patent/CA2057004C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • 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
    • A61M25/0052—Localized reinforcement, e.g. where only a specific part of the catheter is reinforced, for rapid exchange guidewire port
    • 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
    • A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
    • 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
    • A61M2025/0046—Coatings for improving slidability
    • 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
    • A61M2025/0046—Coatings for improving slidability
    • A61M2025/0047—Coatings for improving slidability the inner layer having a higher lubricity
    • 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
    • A61M25/09—Guide wires
    • A61M2025/09058—Basic structures of guide wires
    • A61M2025/09083—Basic structures of guide wires having a coil around a core
    • A61M2025/09091—Basic structures of guide wires having a coil around a core where a sheath surrounds the coil at the distal part
    • 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
    • A61M25/0012—Making of catheters or other medical or surgical tubes with embedded structures, e.g. coils, braids, meshes, strands or radiopaque coils
    • 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
    • A61M25/09—Guide wires

Abstract

A catheter and catheter device for accessing a target site along a tortuous, small-vessel pathway. The catheter includes a flexible distal segment which is composed of a flexible outer tube and a low-friction surface structure embedded in the polymer tube and forming hard, disjoint surface regions. The surface structure allows the catheter to be advanced over sharp bends and small-diameter loops in a guide wire, in advancing the catheter along a small-vessel pathway.
CA002057004A 1989-05-22 1990-05-22 Catheter with low-friction distal segment Expired - Lifetime CA2057004C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US355,500 1989-05-22
US07/355,500 US4955862A (en) 1989-05-22 1989-05-22 Catheter and catheter/guide wire device

Publications (2)

Publication Number Publication Date
CA2057004A1 true CA2057004A1 (en) 1990-11-23
CA2057004C CA2057004C (en) 1995-12-12

Family

ID=23397657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002057004A Expired - Lifetime CA2057004C (en) 1989-05-22 1990-05-22 Catheter with low-friction distal segment

Country Status (9)

Country Link
US (1) US4955862A (en)
EP (1) EP0473697B1 (en)
JP (1) JP2825187B2 (en)
AT (1) ATE141173T1 (en)
CA (1) CA2057004C (en)
DE (2) DE69028106T2 (en)
DK (1) DK0473697T3 (en)
ES (1) ES2093028T3 (en)
WO (1) WO1990014123A1 (en)

Families Citing this family (164)

* Cited by examiner, † Cited by third party
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EP0473697A4 (en) 1992-05-13
JP2825187B2 (en) 1998-11-18
EP0473697A1 (en) 1992-03-11
EP0473697B1 (en) 1996-08-14
DE69028106D1 (en) 1996-09-19
ATE141173T1 (en) 1996-08-15
DE9007751U1 (en) 1995-03-16
US4955862A (en) 1990-09-11
ES2093028T3 (en) 1996-12-16
JPH05501506A (en) 1993-03-25
DK0473697T3 (en) 1996-09-02
WO1990014123A1 (en) 1990-11-29
CA2057004C (en) 1995-12-12
DE69028106T2 (en) 1997-01-16

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