US Patent 9839473 Tissue extraction devices and methods
Patent 9839473 was granted and assigned to Boston Scientific on December, 2017 by the United States Patent and Trademark Office.
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The tissue cutting device comprises an elongated assembly including both an outer sleeve and an inner sleeve. The outer sleeve has a tissue-receiving window, and the inner sleeve has a distal end which cuts tissue as the inner sleeve is advanced past the window. The tissue is received into a lumen of the inner sleeve, and the inner sleeve lumen is typically enlarged in a proximal direction to reduce the tendency of resected tissue to lodge therein. The tissue displacement member is optionally provided at a distal end of the outer sleeve to further aid in dislodging tissue which becomes captured in a distal end of the inner sleeve of the lumen.
US Patent 09839473 Tissue extraction devices and methods US Patent 9839473 Tissue extraction devices and methods
US Patent 09839473 Tissue extraction devices and methods
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