• E-Z-EM (Lake Success, New York), a manufacturer of contrast agents for gastrointestinal radiology, reported the launch of the CO2Efficient Endoscopic Insufflator, a new device for insufflating the upper and lower gastrointestinal tract with carbon dioxide gas. Based on the company's Protoco2L device for CT colonography, CO2Efficient provides a way to adapt the use of CO2 gas insufflation to procedures such as colonoscopy, endoscopic retrograde cholangiopancreatography and enteroscopy. The company exhibited the device at last week's Digestive Disease Week convention in Los Angeles. CO2Efficient is designed to easily attach to the endoscope's water bottle, and eliminates the need for the cumbersome system of specialized CO air/water valves, regulators, and flow meters previously required for CO2 insufflation in endoscopy. CO2Efficient's software system also regulates the flow of CO2 gas, providing greater ease of use for the physician while also minimizing CO2 waste.

• Focus Surgery (Indianapolis) reported that a clinical study for locally recurrent prostate cancer following radiation failure with High Intensity Focused Ultrasound (HIFU) using the Sonablate 500 is now enrolling patients at the London Health Sciences Centre (London, Ontario). The purpose of the study is to determine the ability of HIFU to destroy prostate cancer tissue in patients with local recurrence after radiation failure. Developed by Focus Surgery and manufactured by Misonix (Farmingdale, New York), the Sonablate 500 is the only HIFU device in Canada that can treat prostates with height dimensions greater than 25 mm and does not require a preliminary transurethral resection of the prostate, a surgical procedure.

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