DE68920069D1 - Mehr-Schichten Struktur für Kanülen. - Google Patents

Mehr-Schichten Struktur für Kanülen.

Info

Publication number
DE68920069D1
DE68920069D1 DE68920069T DE68920069T DE68920069D1 DE 68920069 D1 DE68920069 D1 DE 68920069D1 DE 68920069 T DE68920069 T DE 68920069T DE 68920069 T DE68920069 T DE 68920069T DE 68920069 D1 DE68920069 D1 DE 68920069D1
Authority
DE
Germany
Prior art keywords
layer structure
hydrophilic layer
cannula
substantially non
cannulas
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.)
Expired - Lifetime
Application number
DE68920069T
Other languages
English (en)
Other versions
DE68920069T2 (de
Inventor
Jack M Walker
Joseph R Thomas
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.)
Ethicon Inc
Original Assignee
Menlo Care 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 Menlo Care Inc filed Critical Menlo Care Inc
Application granted granted Critical
Publication of DE68920069D1 publication Critical patent/DE68920069D1/de
Publication of DE68920069T2 publication Critical patent/DE68920069T2/de
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
    • A61M25/0043—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
    • 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
    • A61L29/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • A61M2025/0057—Catheters delivering medicament other than through a conventional lumen, e.g. porous walls or hydrogel coatings
    • 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
    • A61M2025/0063—Catheters; Hollow probes characterised by structural features having means, e.g. stylets, mandrils, rods or wires to reinforce or adjust temporarily the stiffness, column strength or pushability of catheters which are already inserted into the human body
    • A61M2025/0064—Catheters; Hollow probes characterised by structural features having means, e.g. stylets, mandrils, rods or wires to reinforce or adjust temporarily the stiffness, column strength or pushability of catheters which are already inserted into the human body which become stiffer or softer when heated
    • 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
DE68920069T 1988-05-06 1989-05-04 Mehr-Schichten Struktur für Kanülen. Expired - Lifetime DE68920069T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/191,007 US4994047A (en) 1988-05-06 1988-05-06 Multi-layer cannula structure

Publications (2)

Publication Number Publication Date
DE68920069D1 true DE68920069D1 (de) 1995-02-02
DE68920069T2 DE68920069T2 (de) 1995-06-08

Family

ID=22703736

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68920069T Expired - Lifetime DE68920069T2 (de) 1988-05-06 1989-05-04 Mehr-Schichten Struktur für Kanülen.

Country Status (6)

Country Link
US (1) US4994047A (de)
EP (1) EP0341049B1 (de)
JP (1) JP2747322B2 (de)
AT (1) ATE115871T1 (de)
CA (1) CA1314454C (de)
DE (1) DE68920069T2 (de)

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JPH0263466A (ja) 1990-03-02
DE68920069T2 (de) 1995-06-08
US4994047A (en) 1991-02-19
EP0341049B1 (de) 1994-12-21
CA1314454C (en) 1993-03-16
JP2747322B2 (ja) 1998-05-06
EP0341049A2 (de) 1989-11-08
EP0341049A3 (de) 1991-09-18
ATE115871T1 (de) 1995-01-15

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