Voice Prosthesis Device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Dec 21, 2006
app pub date -
Jun 2, 2006
filing date -
Jun 17, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A voice prosthesis device provides a passageway between a tracheal end of the device and an esophageal end of the device. A valve in the passageway includes a seat having a first hardness and a movable valve member having a second hardness harder than the first hardness. The movable valve member closes against the seat to close the valve.
First Claim
Family
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Cited Art Landscape
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