Periodontal pocket measurement apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 30, 1999
Grant Date -
N/A
app pub date -
Dec 9, 1997
filing date -
Dec 12, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The periodontal pocket measurement apparatus of the present invention comprises a main handpiece unit provided with a cover member for covering the front end portion thereof, an operation member mounted at the front end of the cover member and being slidable in the longitudinal direction of the cover member, a flexible sleeve attached to the operation member and projecting from the front end of the cover member, and a probe attached to the cover member, passing through the sleeve and being exposable at its tip from the tip of the sleeve, being characterized in that the main handpiece unit is provided with energizing means for pushing a movable portion including the operation member and the sleeve toward the front end. With this structure, operation can be made easily when measuring the depth of a periodontal pocket of a patient by detecting the positional difference between the tip of the probe and the tip of the sleeve when the tip of the probe is inserted into the bottom portion of the periodontal pocket and the tip of the sleeve is made contact with the upper fringe of the gingiva.
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