Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1995-06-07
1996-12-17
Luebke, Renee S.
Electricity: circuit makers and breakers
Electric switch details
Actuators
H01H 3500
Patent
active
055843824
ABSTRACT:
Method and apparatus for storing and moving an x-ray detector assembly in and out of the field of radiation produced by a radiation therapy simulator source while remaining affixed to the gantry of the simulator and retaining the functional attributes of a standard radiation therapy simulator cassette holder. When mounted to the simulator, the apparatus of the present invention has the ability to position an x-ray cassette in a fixed position relative to the radiation source, allow for the use of an image intensifier tube by being effectively radiolucent over the tube, and incorporating a mechanism which is capable of absorbing a degree of movement independent of the gantry while simultaneously activating a switch mechanism which can be used to stop gantry rotation, thereby preventing damage to the device or that which it contacts.
REFERENCES:
patent: 2740023 (1956-03-01), Kryder
patent: 3196877 (1965-07-01), Corbin
patent: 4019003 (1977-04-01), Duerksen, Jr.
patent: 4243857 (1981-01-01), Reis
Drawing of collision detection device of x-ray simulator marketed by Cascade X-Ray (Yakima, WA), (date of first use of device unknown but known to be prior art).
Cascade X-ray, Radiation Therapy Simulator (date unknown but known to prior art).
Drawing of collision detection device of x-ray simulator marketed by Oldelft USA (Fairfax, VA) (date of first of device unknown but known to be prior art).
Oldelft, Simulix-MC (date unknown but known to be prior art).
Luebke Renee S.
Wisner Mark R.
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