US 2011/0299657 A1Published application

Gantry Rolling Floor

AssigneeIon Beam Applications S.A.

InventorsYorick Havelange, Sébastien De Neuter, Vincent Piret, Bernard Bleeckx

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Abstract

The present invention relates to an irradiation unit for emitting a particle beam, a gantry including the irradiation unit, a squirrel cage structure located within and supported by the gantry, a frame arranged so as to be motionless, a moving floor including a plurality of elongated members forming a primary caterpillar, two moving floor guide units having a truncated circle shape, facing each other, attached to said squirrel cage structure and the motionless frame, respectively. Each of the two moving floor guide units includes at least a first rail, the primary caterpillar being slidably arranged on the first rail. Each moving floor guide unit includes at least a second rail having a truncated circle shape and the moving floor includes at least one secondary caterpillar including elongated members flexibly connected to each other.

Claims19

Dependent claims

An apparatus for particle therapy in a treatment room, the apparatus comprising:

an irradiation unit for emitting a particle beam,
a gantry comprising the irradiation unit, said gantry being rotatable around an axis,
a squirrel cage structure, located within and supported by said gantry so that it can rotate relative to said gantry around said axis,
a frame arranged so as to be motionless,
a moving floor comprising a plurality of elongated members flexibly connected to each other and forming a primary caterpillar,
two moving floor guide units having a truncated circle shape, facing each other, attached to said squirrel cage structure and the motionless frame respectively, and each of the two moving floor guide units comprising at least a first rail,
said primary caterpillar being slidably arranged on said first rail, and wherein each moving floor guide unit further comprises at least a second rail having a truncated circle shape and the moving floor further comprises at least one secondary caterpillar comprising elongated members flexibly connected to each other, said secondary caterpillar being slidably arranged on said second rail and attached to the irradiation unit so that it can rotate with the irradiation unit.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/142,575Filed 22 Dec 2009
Priority: EP 08022552.731 Dec 2008
Published: 8 Dec 2011
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

A61N 5/1081
Beam delivery systems: rotating beam systems with a specific mechanical construction, e.g. gantries
A61N 2005/1061
For verifying the position of the patient with respect to the radiation beam: using an x-ray imaging system having a separate imaging source
A61N 2005/1087
Characterised by the type of particles applied to the patient: ions; Protons
A61N
Electrotherapy