Title:
Nozzle in the form of cervical caps
United States Patent 2616421
Inventors:
Martin, Greenberg Emanuel
Publication Date:
11/04/1952
Export Citation:
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Assignee:
Martin, Greenberg Emanuel
Primary Class:
604/278
Other Classes:
600/431, 600/562, 600/573, 600/582
International Classes:
A61D7/00; A61M31/00; A61D7/00; A61M31/00
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US Patent References:
2392045Cannula
2295062Cervical diaphragm
2153753Combined dilating and massaging device
0724913N/A
0696728N/A
0635004N/A
Foreign References:
DE587231C