1976-01-15
1977-11-22
Peshock, Robert
A61C 1704
Patent
active
040588963
ABSTRACT:
An aspirator system for dentistry in which a hollow handle or holder has removable collector ends for insertion into a patient's mouth, which ends are sometimes called aspirator tips. In one embodiment of an aspirator tip, a relatively firm and bulbous end is provided adjacent the entrance to a bore in communication with a vacuum source; this tissue-contacting end has an open face and a generally hemispherical back. Within the open face lies a series of converging ridges, which are provided to trap solid particles having a size of about 2mm or greater. Since the ridges are completely exposed and there are no over-hanging ridges or the like, it is relatively easy to clean the face of the aspirator tip with a stiff brush or the like. The aspirator tip can be rotated at will with respect to the handle in order to achieve substantially any desired position within a patient's mouth. Also, aspirator tips of any of several designs may be interchangeably inserted into the handle. For convenience in manually adjusting the suction at the entrance of the bore, an aperture is provided on the handle at a location where it is easily covered by a person's finger.
REFERENCES:
patent: 2130406 (1938-09-01), Angell
patent: 2711586 (1955-06-01), Groves
patent: 3768477 (1973-10-01), Anders
McHugh Charles W.
Peshock Robert
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