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Back To Vidyya 3-D Mammography Device to See Hidden Tumors Is Approved for US Market

Tuned-Aperture Computed Tomography® (TACT®)

A new type of 3-D mammography, based on an imaging system originally developed to pinpoint tooth decay, has received approval from the US Food and Drug Administration and will likely be ready for market soon in the United States.

The technology, called Tuned-Aperture Computed Tomography® (TACT ®), allows radiologists to see tumors within the dense part of the breasts or other regions that otherwise might be obscured by overlying tissues.

The imaging technology was developed by Richard Webber, D.D.S., Ph.D., professor of dentistry and radiologic sciences at Wake Forest University School of Medicine. Webber developed TACT ® to improve dental diagnoses with three-dimensional images of the teeth. It was licensed by the school to Instrumentarium Imaging Inc., which developed the mammography device using TACT ®.

"This new technology also allows the radiologist to produce a series of electronic 'slices' to look at each portion of the breast in greater detail," Webber said. He said that TACT ® reconstructs a three-dimensional image from a series of two-dimensional images made from X-rays, nuclear medicine or even light as seen by a conventional camera.

Dean F. Stell, assistant director of the Office of Technology Asset Management at Wake Forest, said that TACT ® is the first imaging system to allow interactive 3-D visualization of breast tissues.

"This technology has the potential to cut down on unnecessary biopsies," Stell said. "Bringing this technology to the public is an important result of our medical school's technology transfer efforts," Stell said.

Instrumentarium Imaging calls its TACT ® device the Delta 32 TACT ® three-dimensional breast imaging system, which will be available exclusively on Instrumentarium Imaging's Diamond Breast Care System. "We're pleased that the technology is finally becoming commercialized," said Webber. "It's a long road from idea to implementation." Other interesting and potential applications for TACT include microscopic uses and industrial applications ranging from looking for defects in castings to bomb disposal.


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