US-based medical device manufacturer ZDi Solutions will introduce its Z-System patient positioning devices to proton therapy and conventional radiation therapy facilities in the US.

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The equipment package will be comprised of the Z-Box, Z-Square and Z-Tilt.

ZDi Solutions CEO John Hawkins said: "We are very excited to introduce this product to the radiation oncology community.

"We believe it represents a breakthrough in more accurate immobilisation of patients and this, ultimately, translates to better cancer treatment outcomes."

Developed by ZDi chief design officer Zachary Dutton, the positioning devices are strong and lightweight.

According to Dutton, the device will address the difficulties faced during complex cases involving the thoracic and abdominal regions.

The Z-Box is the custom supportive part of the Z-System and is designed as a winged apparatus used during immobilisation foam mold fabrication, primarily during CT simulation.

It can be fully adjusted to any arm position and is fitted with side wings on the board which operate on a hinge. Its height can be adjusted according to the requirement to fully support the patient's arms.

The adjustable extension under the hands and forearms can be locked into the appropriate height.

It ensures patient comfort while giving support and creates a deep mold for the cradle. The deep mold helps to create an accurate casting around the patient's arms which is considered important for treatment alignment for proton therapy.

"The device will address the difficulties faced during complex cases involving the thoracic and abdominal regions."

ZDi chief learning officer Cheryl Turner said: "ZDi has invented the only product line in the world that ensures the patient is positioned within 2mm of their original treatment plan, thereby assuring precise radiation dose delivery to the tumor treatment site.

"This revolutionary system consists of the only specialised products that exist for immobilising and aiding in patient positioning which decreases patient exposure risk while also limiting the liability for facilities which treat with proton therapy or conventional radiation therapy."

The company has successfully evaluated the system at the Provision Centre for Proton therapy in Knoxville, US.

Image: One of the Z-System patient positioning devices. Photo: courtesy of ZDi Solutions, LLC.