Item ID #
Multiloop; Birdsall Birdcage
Manufacturer and Distributor
North West Plastics; Ortho Pharmaceutical Corp.
U.S. No. 3,457,915
37mm (L) x 33mm (W)
Device of two identical halves composed of three closed loops each, folded in half and tied closed with green cervical thread. There is no record of clinical use of this device. Although the polyethylene is quite pliable, the design would not lend itself it easy insertion. Also referred to as the Birdsall "Birdcage".
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;