AT115871T - More-layered structure for cannulas. - Google Patents

More-layered structure for cannulas.

Info

Publication number
AT115871T
AT115871T AT89304465T AT89304465T AT115871T AT 115871 T AT115871 T AT 115871T AT 89304465 T AT89304465 T AT 89304465T AT 89304465 T AT89304465 T AT 89304465T AT 115871 T AT115871 T AT 115871T
Authority
AT
Austria
Prior art keywords
cannulas
layered structure
layered
structure
Prior art date
Application number
AT89304465T
Other languages
German (de)
Inventor
Jack M Walker
Joseph R Thomas
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
Priority to US07/191,007 priority Critical patent/US4994047A/en
Application filed by Menlo Care Inc filed Critical Menlo Care Inc
Publication of AT115871T publication Critical patent/AT115871T/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M25/0045Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/04Macromolecular materials
    • A61L29/06Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M2025/0057Catheters delivering medicament other than through a conventional lumen, e.g. porous walls or hydrogel coatings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M2025/0063Catheters; 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
    • A61M2025/0064Catheters; 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M25/0054Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
AT89304465T 1988-05-06 1989-05-04 More-layered structure for cannulas. AT115871T (en)

Priority Applications (1)

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

Publications (1)

Publication Number Publication Date
AT115871T true AT115871T (en) 1995-01-15

Family

ID=22703736

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89304465T AT115871T (en) 1988-05-06 1989-05-04 More-layered structure for cannulas.

Country Status (6)

Country Link
US (1) US4994047A (en)
EP (1) EP0341049B1 (en)
JP (1) JP2747322B2 (en)
AT (1) AT115871T (en)
CA (1) CA1314454C (en)
DE (2) DE68920069D1 (en)

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Also Published As

Publication number Publication date
CA1314454C (en) 1993-03-16
EP0341049A2 (en) 1989-11-08
EP0341049A3 (en) 1991-09-18
JP2747322B2 (en) 1998-05-06
EP0341049B1 (en) 1994-12-21
DE68920069T2 (en) 1995-06-08
US4994047A (en) 1991-02-19
DE68920069D1 (en) 1995-02-02
JPH0263466A (en) 1990-03-02

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