C-arm for X-ray diagnostic examination

Details C-arm for X-ray diagnostic examination C-arm for X-ray diagnostic examination

1989-04-17

1990-09-04

Church, Craig E.

X-ray or gamma ray systems or devices

Source support

Including movable source

378198, H05G 102

Patent

active

049550462

ABSTRACT:
A C-arm X-ray diagnostic equipment is disclosed which C-arm provides: an increased range of orbital rotation; a longer range of vertical travel of C-arm from low to high vertical positions; safer counter balanced vertical movement; the horizontal axis of rotation drawn through the isocenter of the C-arm for a multiple of X-ray beam projections without repositioning of the patient being imaged; remotely controlled passive locking arrangement for securing the C-arm firmly in any necessary position for safety; remotely controlled C-arm positioning.
A novel non-uniform curvature of C-arm where the inner outline is other than semicircular is selected for structural strength.

REFERENCES:
patent: 2168209 (1939-08-01), Haupt
patent: 3803417 (1974-04-01), Kok
patent: 4150297 (1979-04-01), Borggren
patent: 4209706 (1980-06-01), Nunan
patent: 4481656 (1984-11-01), Janssen et al.
patent: 4868845 (1989-09-01), Koropp
patent: 4887287 (1989-12-01), Cobben
patent: 4918716 (1990-04-01), Hahn

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