Surgery – Truss – Pad
Patent
1975-04-23
1976-05-18
Trapp, Lawrence W.
Surgery
Truss
Pad
128260, A61F 546, A61M 700
Patent
active
039570428
ABSTRACT:
A spatial intrauterine contraceptive insert which after being introduced by means of a normal inserter into the uterus cavity takes on by itself the appearance of a spatial body.
The insert has two arms 1, 2, the ends of which are connected permanently and formed into two spatial spirals along axes 4, 5 that intersect in an acute angle. In cross-section, the arms 1, 2 take on the shape of a circle. The parts of the arms 1, 2 which are formed as spirals of about 11/2 turns have the appearance of a mirror image. Near the end of the first turn of the spiral the arms 1 and 2 are immobilized by means of a link 6 made of copper. At the juncture point of said arms there is provided a thread 7 for facilitating the removal of the insert from the uterus.
REFERENCES:
patent: 3077879 (1963-02-01), Knoch
patent: 3490456 (1970-01-01), Kortum
patent: 3590816 (1971-07-01), Rosenthal
patent: 3659596 (1972-05-01), Robinson
Krzaklewski Stanislaw
Reszczynski Andrzej
Suski Henryk
Akademia Medyczna We Wroclawiu
Trapp Lawrence W.
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