An orthodontic ligature
Assignee3M Innovative Properties Company
InventorsRalf M. Paehl, Barbara Andrea Thalheim
Life of this patent
Estimating the term…
Abstract
An orthodontic ligature for securing an orthodontic archwire to an orthodontic bracket. The orthodontic ligature is formed of a resilient band which forms a flap. The flap forms a grip portion. The resilient band defines a non-circular hole having a major dimension along the direction in which the grip portion extends. The invention provides an easy to use orthodontic ligature which further is maximized in durability.
Claims14
An orthodontic ligature for securing an orthodontic archwire to an orthodontic bracket, the orthodontic ligature being formed of a resilient band which extends along a center axis of the resilient band, wherein the resilient band extends with the center axis circumferentially along a closed path and essentially in a plane, wherein the band further forms a flap which extends in a direction essentially parallel to said plane, the flap forming a grip portion, and wherein the resilient band defining a hole forming a through-hole extending through the orthodontic ligature in a dimension perpendicular to the plane, wherein the hole in dimensions along the plane is overall keyhole-shaped or oval and having a major dimension along the direction in which the grip portion extends.
Dependencies are inferred from the claim text.