Nucletron Operations B.v.

Martin Van Beek

Arie Luite Visscher

Johan Henning

Jeroen Schuurman

Adriaan Van Appeldoorn

Finn Sollen

Sjoerd Ferwerda

A sensing apparatus for sensing the presence of a radioactive source, or check-dummy- or sensor cable, at a point along the sensing apparatus during a brachytherapy procedure. The sensing apparatus comprises a transfer tube comprising a first end and a second end. The second end being downstream of the first end. The sensing apparatus further comprises sensing means operable to detect the presence of a radioactive source, or check-dummy- or sensor cable, at a point downstream of the first end of the transfer tube. The reason for the plurality of 'prisms' or the semispheres, is that they are orientation independent to the light fibers, simplifying assembly. Alternatively the plurality of prisms may be substituted by two half-spherical “prisms”. Between the prisms, a light blocking surface need to be placed to avoid optical short circuits.

Sensing apparatus

An afterloading device for effectuating a brachytherapy treatment, comprising a first elongated flexible transport element, arranged to maneuver a radiation source between a storage position inside the afterloading device and a treatment position outside the afterloading device, the afterloading device further comprising a second elongated flexible transport element, having at least one transducer, the second transport element being arranged to move the at least one transducer between a first transducer position and a second transducer position.

Afterloading device, and use thereof

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Veenendaal, Netherlands

Martin Van Beek