Title:
Epidural needle
United States Patent 2952256


Inventors:
John, Meader T.
Aaron, Bloom
Application Number:
US70106957A
Publication Date:
09/13/1960
Filing Date:
12/06/1957
Assignee:
SIERRA ENG CO
Primary Class:
International Classes:
A61B17/34
View Patent Images:
US Patent References:
2630803Double pneumothoracic needle1953-03-10
Foreign References:
FR605067A1926-05-19