Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1974-03-04
1976-01-27
Borchelt, Archie R.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250366, G01T 120
Patent
active
039354628
ABSTRACT:
A whole body imaging system rapidly forms a quality image of the bony structure, soft tissue or specific organs of a patient who has been injected with a suitable radioactive tracer chemical. A radiation detector head assembly includes a number of detector subassemblies, each having a lead collimator with tapered holes for admitting gamma radiation from a small area of the patient to a scintillation crystal that converts the gamma rays admitted by the collimator into visible or ultraviolet energy pulses. A photomultiplier converts these pulses into electrical pulses. A row of equally spaced detector subassemblies reciprocate within a nonreciprocating lead shield along the long axis of the array over a distance substantially equal to the separation between adjacent ones of the small areas. Associated electronic and electromechanical apparatus control the reciprocating motion and the longitudinal motion of the radiation detector head assembly and process the photodetected signals to produce in a relatively short time a visible image of the radiant energy emanating from the whole body of the patient scanned.
REFERENCES:
patent: 3509341 (1970-04-01), Hindel et al.
patent: 3777142 (1973-12-01), Grenier
de Luca Peter C.
Jeffries David
Stoddart Hugh F.
Borchelt Archie R.
Cleon Corporation
Cohen, Esq. Jerry
Hieken, Esq. Charles
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