Sheath tip
a technology of body lumen and filtering device, which is applied in the field of filtering device of body lumen debris, can solve the problems of major heart and vascular disease, blockage or narrowing of blood vessels, and lack of oxygenation of the hear
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[0019] The following description should be read with reference to the drawings wherein like reference numerals indicate like elements throughout the several views. The detailed description and drawings illustrate example embodiments of the claimed invention.
[0020] A number of embolic protection devices exist that filter embolic debris generated during an intravascular intervention. Delivering and retrieving the filter often includes the use of a catheter or sheath that is advanced to an appropriate location adjacent, for example, an intravascular lesion. In some cases, the lesion may be expanded with a stent and the delivery or retrieval sheath may need to pass the stent. Thus, it may be desirable for the sheath to have a tapered or rounded tip so as to more easily pass the stent without “catching” or otherwise displacing the stent. The present invention includes several examples of a filter delivery and / or retrieval assembly 10 that includes a tapering member 12 coupled to a deliv...
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