Title:
Surgical drain
United States Patent 3020913
US Patent References:
/0274447.html
- - 0274447
Flutter valve for drainage of the pleural cavity
- - 2867213
Valve-controlled nursing bottle nipple
- - 2876773
Device for draining ventricular fluid in cases of hydrocephalus
- - 2969066
/0274447.html
- - 0274447
Flutter valve for drainage of the pleural cavity
- - 2867213
Valve-controlled nursing bottle nipple
- - 2876773
Device for draining ventricular fluid in cases of hydrocephalus
- - 2969066
Inventors:
Heyer, William T.
Publication Date:
02/13/1962
View Patent Images:
Export Citation:
Assignee:
Heyer, William T.
Primary Class:
Other Classes:
604/268, 604/247
International Classes:
A61M25/00; A61M25/01; A61M27/00
Foreign References:
| DK32174A | ||||
| DE825924C |