Effects of Testing Parameters on Pinch Test Results for Hydrophilic Coatings
For an array of medical procedures, it is often necessary to navigate an invasive device through a tortuous series of blood vessels or other tissues. With these procedures come risks of tissue damage due to abrasion which can lead to negative clinical outcomes, including death. Moreover, in cases where a device must navigate through an extremely small passage, such as a minor blood vessel in the brain, products like these will not function without some method of reducing surface friction. Hydrophilic coatings have been employed in devices for this purpose, and have successfully been sold on guidewires and catheters for the cardiovascular, neurovascular, and urological markets, as well as for procedures in ophthalmy, fertility, and others.
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