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Megavoltage radiation therapy machine combined to diagnostic imaging devices for cost efficient conventional and 3D conformal radiation therapy with on-line Isodose port and diagnostic radiology

  • US 5,851,182 A
  • Filed: 09/11/1996
  • Issued: 12/22/1998
  • Est. Priority Date: 09/11/1996
  • Status: Expired due to Fees
First Claim
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1. An improved patient handling system for use with a radiation therapy device and medical imaging device, comprising:

  • a first chamber having a radiation therapy device;

    a second chamber having a medical imaging device; and

    a first wall dividing said first chamber and said second chamber and having means defining a hole in said first wall for providing communication between said first chamber and said second chamber;

    said first wall further having radiation shielding means including an open position allowing communication between said first and second chambers and a closed position for selectively covering said first wall hole defining means to seal said second chamber from radiation from the radiation therapy device in said first chamber;

    a cradle located on the medical imaging device for receiving a table top insert and having means defining a groove on said cradle;

    a cradle located on the radiation therapy device for receiving said table top insert and having means defining a groove on said cradle;

    said table top insert having a patient securing means for securing a patient in a fixed position on said table top insert and having a lower surface for securing rollers to said lower surface and wherein said rollers are sized to fit within said groove of the medical imaging device and said groove of the radiation therapy device;

    said means defining said hole in said first wall being sized and positioned such that said table can be rolled on said rollers from said medical imaging device cradle to said radiation therapy device cradle without changing the position of the patient.

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