Atherectomy system with a guide wire
Patent 4979939 Issued on December 25, 1990. Estimated Expiration Date: 
May 12, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 12, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSingle lumen atherectomy catheter device Shaft driven, flexible intravascular recanalization catheter Angioplasty catheter Apparatus and method for removing a target object from a body passsageway Atherectomy catheter system and method of using the same Patent #: 4886490 InventorAssigneeApplicationNo. 350020 filed on 05/12/1989US Classes:606/159, Blood vessel, duct or teat cutter, scrapper or abrader604/22, With means for cutting, scarifying, or vibrating (e.g., ultrasonic, etc.) tissue606/170Cutter carried on elongated probe-like memberExaminersPrimary: Hafer, Robert A.Assistant: Rooney, Kevin G. Attorney, Agent or FirmInternational ClassA61B 017/32AbstractAn atherectomy system for coring, ingesting and removing an obstruction material from within a patient's vessel having a flexible guide-wire defining voids for containing obstruction material and defining a diametrical envelope, a flexible rotary-catheter slidable and rotatable over the diametrical envelope having a rotary coring means at its distal end, a continuous passage defined around the flexible guide-wire by the flexible rotary-catheter for ingesting the cored obstruction material, and coupling means at the proximal end of the flexible rotary-catheter for coupling to rotating means.Field of SearchBlood vessel, duct or teat cutter, scrapper or abraderCutter carried on elongated probe-like member Rotary cutter With means for cutting, scarifying, or vibrating (e.g., ultrasonic, etc.) tissue Body inserted tubular conduit structure (e.g., needles, cannulas, nozzles, trocars, catheters, etc.) Mechanical cleaning means | |
