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The Raypilot solution
- a real-time tumour tracking system for any linac system

The Raypilot system is designed to work with any linac. It provides continuous tracking of the prostate and outlines the urethra throughout every fraction of radiotherapy. By knowing the exact location of the cancerous organ at any moment, treatment precision is enhanced with significantly less risk of damage to the surrounding healthy tissue. The Raypilot system consists of three parts: the Raypilot HypoCath which is placed in the prostate and urethra for location and motion-tracking; the Raypilot Receiving system, which may be placed on any treatment couch; and the Raypilot Software, which warns the user when motion occurs in the region of interest outside of the predefined margins.

Raypilot HypoCath may assist in shortening treatment time, reducing cost, and improving patients’ quality of life

Rayilot HypoCath from Micropos is a temporary urinary catheter with an integrated transmitter. It continuously shows the exact location of the prostate in 3D and outlines the urethra. Knowing precisely where the tumour is located during treatment allows physicians to deliver a higher radiation dose in a fewer number of fractions, with tighter treatment margins that spare healthy tissue from irradiation. This hypofractionation therapy significantly shortens the total number of treatment sessions. Treatment may be given in a week or even less, compared to conventional therapy which may be delivered over an 8-week period. More efficient fractions with less irradiation to healthy tissue in shorter time, saves cost and time for the hospital and the patient, also significantly improving the patient´s quality of life (QoL).

A unique “GPS-tracker” is the heart of the matter

Monitoring movement of the prostate is critical for therapy outcome

Internal organs move, and they are difficult to control. The prostate may move unpredictably in time, direction, and length, up to 15 millimeters. That is why it is crucial to monitor this movement in real-time. Raypilot HypoCath is a unique solution (powered by artificial intelligence), that tracks the tumour in real-time without additional ionizing radiation, and it does not leave any tracks after treatment is finished.

The temporary Raypilot HypoCath transmitter sends signals that are recognized 30 times/s by antennae in the Raypilot Receiver, placed on the linac couch top. The Raypilot Software interprets the data and presents the location in 3D in real-time. If the prostate moves outside of the predefined treatment area, the physician will be notified immediately to take corrective action with sub-millimeter accuracy.

Potential Benefits

  • Add-on for any linac system
  • Real time prostate tracking with high accuracy
  • No need for surgical intervention
  • Easy urinary catheter procedure
  • Control of bladder filling
  • Suitable for SBRT and hypofractionation protocols
  • Remains throughout all treatment sessions
  • No foreign objects remain after treatment
  • Fits in normal IGRT-workflow
  • Automatic patient identification
  • Optional multi-room installation