Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Larynx – trachea – tracheobronchial prosthesis or combination...
Reexamination Certificate
2007-01-23
2007-01-23
McDermott, Corrine (Department: 3738)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Larynx, trachea, tracheobronchial prosthesis or combination...
Reexamination Certificate
active
09171889
ABSTRACT:
A voice prosthesis to be mounted in a fistula between trachea and esophagus comprises a spool-shaped element with a through passage and a valve mechanism controlling the connection through said passage and having sealing surfaces which can be pressed against each other, means being provided to produce a magnet force acting between the sealing surfaces to keep said surfaces pressed against each other in the closed position of the valve mechanism.
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Atos Medical AB
Matthews William H
McDermott Corrine
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