US 6,981,870 B2
Rubber dam clamps retained by adhesion and improved frictional forces
John M. Heasley, 1614 Dover St., Iowa City, Iowa 52240 (US)
Filed on Oct. 09, 2002, as Appl. No. 10/267,516.
Claims priority of provisional application 60/327847, filed on Oct. 09, 2001.
Prior Publication US 2003/0087216 A1, May 08, 2003
Int. Cl. A61C 5/12 (2006.01)
U.S. Cl. 433—139 15 Claims
OG exemplary drawing
 
1. A clamp for retaining a rubber dam in a desired position relative to a tooth of a patient, comprising:
(a) transverse arch connecting two free ends;
(b) opposing retentive bonding pads associated with the two free ends and arranged in an opposing relationship for improved retention, stability, and comfort of rubber dam applications; and
(c) when applied to a patient's tooth, the bonding pads engage at least one-half of the facial and lingual surfaces of the tooth.