Title:
INTRAUTERINE CATHETER ANCHOR
United States Patent 3490456


Inventors:
Kortum, William M.
Application Number:
US3490456DA
Publication Date:
01/20/1970
Filing Date:
04/14/1967
Assignee:
Kortum, William M.
Primary Class:
Other Classes:
128/839
International Classes:
A61F6/14; (IPC1-7): A61M25/02; A61F5/46
View Patent Images:
US Patent References:
3374788Contraceptive devices and methods1968-03-26
3312215Uterocervical cannula1967-04-04
3291125Intrauterine u-shaped pessary1966-12-13
2896614Cervical cannulas1959-07-28
2553428Pessary1951-05-15
1348728Medicated pessary1920-08-03