Dental X-ray aiming device
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United States of America Patent
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Feb 22, 1994
Grant Date -
N/A
app pub date -
Nov 16, 1992
filing date -
Nov 16, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dental X-ray aiming device adapted to place an X-ray film packet having sharp edges at a proper position in the oral cavity of a patient. The device includes a packet holder that serves to shield the sharp edges of the packet to avoid direct contact with tissue within the oral cavity and the resultant discomfort, pain or trauma. The holder is formed by a rectangular frame of resilient plastic material within which the packet is socketed, and a bite block joined to the front of the frame which, when clenched between the teeth of the patient, then places the held film packet behind a tooth region to be examined. The device also includes a distance-calibrated guide rod which is detachably coupled to the bite block, and a sighting ring adapted to receive the nose cone of an X-ray unit, the ring being slidable along the rod to a desired position thereon, whereby an X-ray beam is projected from the nose cone in accurate relationship to the film packet.
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