Radiotherapy device

Details Radiotherapy device Radiotherapy device

2006-07-03

2010-02-02

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Absorption

C378S147000, C378S193000

Reexamination Certificate

active

07656999

ABSTRACT:
The invention involves a rotary focused gamma-ray radiotherapy device. The invention includes a frame, a rotary ring positioned at the frame, and a source carrier and a collimator carrier that can rotate around a rotary axis respectively. The source carrier is equipped inside with multiple radiation sources. The collimator carrier is equipped inside with a corresponding beam channel to the radiation sources, which focus at a shared focus of the rotary axis through the beam channel. The source carrier and the collimator carrier are connected at both ends with the rotary ring and the frame, respectively. The single-layer and double-support structure of the source carrier and the collimator carrier adopted in the invention enlarges the treatment space, lowers manufacturing cost and difficulty, simplifies the mechanical structure, increases support rigidity of the source carrier and the collimator carrier, ensuring long-lasting and steady coaxial rotation of source carrier and collimator carrier, as well as position accuracy of the focusing center in the therapeutic system. Therefore, a precision radiotherapy is realized with improved radiotherapy effect.

REFERENCES:
patent: 6512813 (2003-01-01), Krispel et al.
patent: 2004/0005027 (2004-01-01), Nafstadius

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