TRACHEAL TUBE
United States Patent 3443564
US Patent References:
Connecting device
- - 1835757

Surgical instruments
- - 2873742

Tracheostomy tube device
- - 2923299

Speech facilitating attachment for throat tube
- - 3066674

Tracheal devices
- - 3088466


Inventors:
Oehmig, Heinz
Publication Date:
05/13/1969
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Assignee:
Drager, Otto H.
Primary Class:
128/207.140
International Classes:
A61M16/04; A61M25/00




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