Stable rotatable radiation gantry

Details Stable rotatable radiation gantry Stable rotatable radiation gantry

2005-11-29

2005-11-29

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Source support

Including movable source

C378S065000

Reexamination Certificate

active

06969194

ABSTRACT:
An irradiation device provides a free volume around the longitudinal axis of the body (13) around the body to be irradiated. The supporting parts of a gantry (1, 2) are situated substantially radially with respect to the longitudinal axis. The gantry includes an inner gantry part (1) with at least two supporting locations (S) to an outer gantry portion (2).The support locations (S) are situated at each side of a treatment volume (12). A radiation head (8), mechanically attached to the inner gantry part (1) and arranged to direct radiation to the treatment volume (12) is movable around the treatment volume (12). In preferred embodiments, the parts (20, 21, 22, 23) of the gantry are formed as rings, leaving a free space along the rotational axis (9). A body-supporting couch (10) is arranged along the rotational axis extending through the hollow parts (20, 21, 22, 23). The radiation head (8) is preferably movable in a path also perpendicular to the rotation axis (9).

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