Title:
TRACHEOTOMY CLOSURE
Document Type and Number:
WIPO Patent Application WO1986006970
Kind Code:
A2
Abstract:
A tracheotomy closure comprises a valve (18, 23) which is voluntarily actuable during expiration, thereby enabling the person to talk. An open tube part (10) insertable in the trachea opening comprises a cannula stub (7) which traverses the opening and opens to the outside, and carries on its front end a housing (9) for the valve. An adjustable flange ring (8) surrounds the cannula stub (7) and seals the trachea opening. The valve is formed of a non-return valve (18) which is pivotably arranged within the housing (9) of the valve so as to open during inspiration and close during expiration when a predetermined flow speed is exceeded.
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Inventors:
KOSS WALTER (DE)
HERRMANN INGO F (DE)
HERRMANN INGO F (DE)
Application Number:
PCT/EP1986/000274
Publication Date:
December 04, 1986
Filing Date:
May 10, 1986
Export Citation:
Assignee:
KOSS WALTER (DE)
International Classes:
A61M16/04; A61M16/20
Foreign References:
| US4040428A | 1977-08-09 | |||
| US3952335A | 1976-04-27 | |||
| EP0078685A1 | 1983-05-11 | |||
| EP0132957A1 | 1985-02-13 | |||
| US3721233A | 1973-03-20 | |||
| CH408292A | 1966-02-28 |
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