| 摘要 |
An instrument for holding and aligning an x-ray sensing device is described. The instrument includes a ring guide having a sight for aligning the cone of an x-ray device with an x-ray sensing device and arm having a first end slidably engaging an adjustment cavity formed in the sight. The adjustment cavity forms at least one alignment groove. The instrument also includes a holder for holding the x-ray sensing device. The holder has a first retention member including a back plate, a first retention guide connected with an end of the back plate and a second retention guide connected with an opposing end of the back plate. The holder further has an upper retention stop connected with the back plate and between the retention guides. The first retention guide faces the second retention guide. The arm has a second end engaging the holder.
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