Nozzle in the form of cervical caps
United States Patent 2616421
US Patent References:
/0635004.html
- - 0635004

/0696728.html
- - 0696728

/0724913.html
- - 0724913

Combined dilating and massaging device
- - 2153753

Cervical diaphragm
- - 2295062


Inventors:
Martin, Greenberg Emanuel
Publication Date:
11/04/1952
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Assignee:
Martin, Greenberg Emanuel
Primary Class:
604/278
Other Classes:
600/582, 600/431, 600/573, 600/562
International Classes:
A61D7/00; A61M31/00
US Patent References:
2392045Cannula
Foreign References:
DE587231C