Abstract: A film-mount structure comprises a relatively stiff face sheet and a backing sheet which can be peeled off to expose an adhesive for receiving, in a removable and replaceable manner, a film strip for retention and viewing. In order to protect the cellulose-based face sheet from partial separation when the radiographic film is peeled from the adhesive surface, a thin mylar sheet is adhesively attached in a substantially permanent manner to the face sheet, and the releasable adhesive is applied directly to the other side of the mylar sheet. In this way, the film mounts' reusable feature is retained while maintaining the integrity of the face sheet.

Abstract: A scintillation camera device has a suspension system for positioning a detector head attached to a suspended arm for imaging a portion of a patient. The suspended arm includes a linking member which is pivotally attached to the suspension system and which extends horizontal from the suspension system. A rigid member is pivotally attached to the linking member and provides horizontal articulation for the suspended arm. The rigid member has a yoke at the end thereof with the yoke having a base with ends adapted to pivotally retain the detector head. The rigid member has a generally arcuate shape which provides clearance for the patient whereby the rigid member can be extended over the patient and lowered for imaging a portion of the far side of the patient. The pivotal attachments of the linking member and the rigid member have releasable brakes to permit ready positioning of the detector head and subsequent locking of the head in that desired position.

Abstract: The safety catch apparatus includes a generally vertically supported stationary bar which extends beyond the uppermost and lowermost positions of a suspended member. The suspended member has an aperture adapted to receive the stationary bar. The suspended member also has an inner chamber which communicates with the aperture. A catch block is sized to fit within the chamber and is adapted for vertical movement within the chamber. The catch block also includes a vertical slot which is adapted for slideable engagement with the stationary bar. A suspension system is connected to the suspended member so that the suspended member and the constrained catch block jointly move along the stationary bar. The vertical slot of the catch block has open recesses in the opposite sides and each recess has a base and an inner wall angulated toward the slot. A roller freely rests in the base of each recess adjacent to, but not in contact with, the stationary bar.

Abstract: In a spot film device, the inner and main carriages for a film cassette are positioned with reversible servo motors. An x-ray grid is mounted on the bottom of the main carriage and a cross grid is mounted on tracks beneath the carriage such that the cross grid may be used or not used for fluoroscopy and both grids may be used for radiography. Field defining masks are also mounted for translating selectively with the carriage. Individual reversible servo motor drives are used to advance and retract the masks and cross grid. Means are provided for absorbing shock or negating drive system momentum when the masks or grid are stopped abruptly. Reduced power is applied to the mask and grid drive motors when the masks and grid reach their stops for holding them against their stops. A motor driven palpator cone, having unique driving and locking means is provided. Means are provided for loading and unloading cassettes from either the front or rear of the spot film device.

Abstract: In a spot film device, the inner and main carriages for a film cassette are positioned with reversible servo motors. An x-ray grid is mounted on the bottom of the main carriage and a cross grid is mounted on tracks beneath the carriage such that the cross grid may be used or not used for fluoroscopy and both grids may be used for radiography. Field defining masks are also mounted for translating selectively with the carriage. Individual reversible servo motor drives are used to advance and retract the masks and cross grid. Means are provided for absorbing shock or negating drive system momentum when the masks or grid are stopped abruptly. Reduced power is applied to the mask and grid drive motors when the masks and grid reach their stops for holding them against their stops. A motor driven palpator cone, having unique driving and locking means is provided. Means are provided for loading and unloading cassettes from either the front or rear of the spot film device.

Abstract: In a spot film device, the inner and main carriages for a film cassette are positioned with reversible servo motors. An X-ray grid is mounted on the bottom of the main carriage and a cross grid is mounted on tracks beneath the carriage such that the cross grid may be used or not used for fluoroscopy and both grids may be used for radiography. Field defining masks are also mounted for translating selectively with the carriage. Individual reversible servo motor drives are used to advance and retract the masks and cross grid. Means are provided for absorbing shock or negating drive system momentum when the masks or grid are stopped abruptly. Reduced power is applied to the mask and grid drive motors when the masks and grid reach their stops for holding them against their stops. A motor driven palpator cone, having unique driving and locking means is provided. Means are provided for loading and unloading cassettes from either the front or rear of the spot film device.