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Sinmed Posifix head and neck positioning system is composed of several items.
One can choose from four different baseplates, varying from a basic acrylic head baseplate to a more sophisticated T-shaped carbon fiber baseplate that accomodates a wide variety of head, neck and shoulder masks. A range of head supports, made of low density polyethylene foam, is available for comfortable and consistent prone and supine positioning. Each head support fits snugly into any of the Posifix baseplates and dedicated pediatric cushions are also available.
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Posifix carbon fiber baseplate for three point fixation mask
Radiotransparent carbon fiber baseplate for head positioning.
(depicted with aluminium fixation rail, type AL-R, attached) |
The carbon fiber baseplates have minimal beam attenuation and are therefore ideal for use in the treatment room. |
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Posifix carbon fiber baseplate for five point fixation mask
Radiotransparent carbon fiber baseplate for head- and shoulder positioning.
(depicted with aluminium fixation rail, type AL-R, attached). |
Each baseplate is indexed to the simulator, linear accelerator or CT couch by using one of the Sinmed aluminium fixation rails. A variety of simply attachable fixation brackets ensures a rigid lateral and longitudinal positioning of the baseplate onto any couchtop. |
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Posifix acrilyc baseplate
Acrylic baseplate for head fixation
(depicted with aluminium fixation rail, type AL-RS, attached) |
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Acrylic baseplates are used in the mould room, simulator or CT scannner. |
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Positilt, attached to the Posifix baseplate
A highly recommended option is the Positilt, which allows the head to be tilted in various angles towards the couchtop plane and can be easily attached to all Posifix baseplates.
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The Positilt is a tilt board, the core of which is made of low density foam covered with ultra-thin layers of carbon fiber. This construction assures negligible beam attenuation. In use, the Positilt enables the head to be positioned at angles of 5, 10, 15, 20, 25 and 30 degrees towards the couchtop plane. The Positilt is compatible with and easily attached to all Posifix baseplates for head and neck fixation. |
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