X-ray or gamma ray systems or devices – Auxiliary data acquisition or recording – Distance or dimension marker
Patent
1992-02-04
1993-05-04
Porta, David P.
X-ray or gamma ray systems or devices
Auxiliary data acquisition or recording
Distance or dimension marker
378170, 378205, A61B 614
Patent
active
052088456
ABSTRACT:
A radiographic depth gauge for precisely positioning dental implants in a jaw bone. The gauge is formed of a material which will show on an x-ray and is an elongated member with distance markings. The gauge is placed in a bore drilled in a jaw bone and an x-ray is taken in a standardized manner to show true dimensions of the gauge on the film relative to surrounding anatomical structures. The gauge both shows the depth and angulation of the bore relative to other bores and existing dentition.
REFERENCES:
patent: 4005527 (1977-02-01), Wilson et al.
patent: 4279252 (1981-07-01), Martin
Porta David P.
Wong Don
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