OMGA 1T - Copper ; OM-GA 1T - Copper
This item has been moved to https://cdm.llu.edu/digital/collection/p17224coll14/id/57/rec/2
Molded plasthyd with barium sulfate for radiopacity, impregnated with copper dust. Copper amounts ranged from 37mg to 120mg. Available in four sizes. Two green nylon cervical threads. Original Om-GA patent U.S. No. 3,516,403, was filed 7-5-1968 and granted 6-23-1970.