Tracheostoma closure device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 28, 1992
Issued Date -
N/A
app pub date -
Jun 15, 1990
filing date -
May 21, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Described is a tracheostoma closure device which has a valve (18, 23) which can be actuated at will be breathing out, to permit the patient to speak. The arrangement has an open tube portion (10) which can be introduced into the stoma and from which extends a passage stump portion (7) which leads outwardly through the stoma and which on its front side carries a housing (9) for the valve. An adjustable flange ring (8) for sealing off the stoma is carried on the passage stump portion (7). The valve is formed by a non-return valve flap (18) which is mounted pivotally in the valve housing (9) and which opens in the direction of breathing in and closes in the direction of breathing out when a predetermined flow speed is exceeded.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully