Internal orifice thermal dilator and medicator
United States Patent 2078686

Inventors:
Rowe, Claude O.
Publication Date:
04/27/1937
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Assignee:
Louis, Janisky
Primary Class:
604/103.020
Other Classes:
604/114, 604/104, 338/176, 338/199, 607/113, 604/103.080, 606/192
International Classes:
A61F7/12; A61M29/00