Amalgam dispenser with lockable plugger
AssigneeHazel J. Harper
InventorsFranklin E. Law, Hazel Harper
Life of this patent
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Abstract
A dental implement for dispensing and compacting amalgam includes separate dispensing and compacting assemblies at opposite ends of a handle. The assemblies each have an amalgam carrier cooperating with a plugger portion which extends from an end of the handle. A spring-biased lever maintains the amalgam carrier in a normally lowered position capable of receiving amalgam. Each assembly features a lock for releasably retaining the amalgam carrier in a raised position whereby the plugger portion extends beyond its respective amalgam carrier for tamping the amalgam into a tooth cavity.
Claims10
In a dental implement for dispensing amalgam, said implement having a handle, a lever mounted on said implement, an amalgam carrier engaging the lever, a reduced plugger portion extending from one end of the handle and cooperating with the amalgam carrier to dispense the amalgam, a spring having a rear end secured to the handle and a front end engaging the lever to maintain the carrier in a normally lowered position so that by operating the lever the amalgam carrier is raised and the plugger portion extends beyond the amalgam carrier, thereby acting to discharge the amalgam, the improvement comprising:
- means for retaining said lever in a locked position in proximity to the surface of said handle with said amalgam carrier raised, so that said plugger portion extends beyond said amalgam carrier whereby said plugger portion may be used to compact the amalgam.
Dependencies are inferred from the claim text.