Catheter for treating arterial occlusion
Patent 4589419 Issued on May 20, 1986. Estimated Expiration Date: 
November 1, 2004. 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.
November 1, 2004. 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 References 4354500 Vacuum cup doppler flow transducer and method for using same Patent #: 4355643 InventorsApplicationNo. 06/667130 filed on 11/01/1984US Classes:600/439, With therapeutic device600/469Detecting emboliExaminersPrimary: Howell, Kyle L.Assistant: Jaworski, Francis J. Attorney, Agent or FirmInternational ClassesA61B 17/22 (20060101)A61B 8/06 (20060101) A61B 8/12 (20060101) A61B 19/00 (20060101) AbstractThe cardiac catheter of this invention combines in a single, thin tube, an acoustic transducer for determining blood flow velocity, and a separate lumen with a removable, flexible, radio-opaque guide wire, enabling the surgeon to locate the site of arterial blockage, evaluate the blockage, and assess the effect of the treatment.Other References
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