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TODAY’S PATENT – CRYOTREATMENT DEVICE AND METHOD

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TODAY’S PATENT – CRYOTREATMENT DEVICE AND METHOD

The Cryotreatment device and method was invented Daniel M. Lafontaine. which is been patented by USPTO on 6th September 2011 bearing patent no. US8012147B2. This patent has been assigned to Boston Scientific Scimed Inc.

This invention reduces adverse reactions to medical procedures affecting blood vessels and other body vessels. Before, during, and after angioplasty, it cools blood vessel sites. Cooling may reduce injury response, which can cause restenosis. A tubular catheter with many radially outward-pointing coolant distributing orifices supplied by a coolant lumen in fluid communication with a proximal coolant source is distally advanced. A coolant delivery shaft, expandable occlusion device, or inflatable element may be used.

TODAY'S PATENT - CRYOTREATMENT DEVICE AND METHOD

The balloon envelope wall between the coolant distributor and the blood vessel wall can cool the lesion. A longitudinally and radially spraying coolant distributor can be used in catheters. When the coolant supply tube pressure rises, a pressure-regulating valve releases coolant into the balloon.

The invention can freeze tissue, cool stenosed vessels, and treat arrhythmias. The coolant delivery tube can direct cooling in many directions or mainly in one

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