ATE115871T1 - Mehr-schichten struktur für kanülen. - Google Patents

Mehr-schichten struktur für kanülen.

Info

Publication number
ATE115871T1
ATE115871T1 AT89304465T AT89304465T ATE115871T1 AT E115871 T1 ATE115871 T1 AT E115871T1 AT 89304465 T AT89304465 T AT 89304465T AT 89304465 T AT89304465 T AT 89304465T AT E115871 T1 ATE115871 T1 AT E115871T1
Authority
AT
Austria
Prior art keywords
layer structure
hydrophilic layer
cannula
substantially non
cannulaes
Prior art date
Application number
AT89304465T
Other languages
English (en)
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
Application filed by Menlo Care Inc filed Critical Menlo Care Inc
Application granted granted Critical
Publication of ATE115871T1 publication Critical patent/ATE115871T1/de

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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Materials For Medical Uses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Surgical Instruments (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
AT89304465T 1988-05-06 1989-05-04 Mehr-schichten struktur für kanülen. ATE115871T1 (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 (1)

Publication Number Publication Date
ATE115871T1 true ATE115871T1 (de) 1995-01-15

Family

ID=22703736

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89304465T ATE115871T1 (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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CA1314454C (en) 1993-03-16
US4994047A (en) 1991-02-19
EP0341049B1 (de) 1994-12-21
DE68920069D1 (de) 1995-02-02
JPH0263466A (ja) 1990-03-02
EP0341049A3 (de) 1991-09-18
JP2747322B2 (ja) 1998-05-06
DE68920069T2 (de) 1995-06-08

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