Item ID #
Polyethylene; Barium sulfate
M. E. Chaft
U.S. No. 3,683,905
28mm (L) x 39mm (W) in present shape
M-shaped device of polyethylene with barium sulfate added for radiopacity. The arms of the 'M' end in bulbs to help prevent perforation of the uterine wall. M. E. Chaft first developed the M-211 device; this is the plastic version of that device.
Physical rights to the device and the photograph of such are retained by Loma Linda University. Copyrights are observed in accordance with U. S. copyright and patent laws.
Intrauterine Contraception; Intrauterine Devices; Plastic IUDs; M-shaped IUDs