Title:
Epidural needle
United States Patent 2952256
US Patent References:
Double pneumothoracic needle
- - 2630803


Inventors:
John, Meader T.
Aaron, Bloom
Publication Date:
09/13/1960
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Assignee:
SIERRA ENG CO
Primary Class:
604/272
International Classes:
A61B17/34
Foreign References:
FR605067A