Positive fixation cardiac electrode with drug elution capabilities
October 26, 2007. 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 3737579 3788329 Methods, materials, and devices for providing electrical conductivity particularly for living beings Body-implantable lead with protector for tissue securing means Electrode for implantation in the heart Percutaneous insertable electrode device for the transitory or permanent stimulation of the heart or other organs and a method for implanting it Porous pacemaker electrode tip Drug dispensing body implantable lead employing molecular sieves and methods of fabrication Ear canal electrode Low threshold cardiac pacing electrodes InventorsApplicationNo. 07/112519 filed on 10/26/1987US Classes:607/127, Axially-mounted helical type600/375, Anchored607/3Combined with nonelectrical therapyExaminersPrimary: Jaworski, Francis J.Assistant: Manuel, George Attorney, Agent or FirmInternational ClassA61N 1/05 (20060101)AbstractA positive fixation cardiac lead includes an electrode sleeve/crimp tube assembly in which a recess is formed for retaining a drug impregnated matrix. The electrode sleeve and crimp tube threadedly engage, to permit insertion of the matrix prior to their assembly. The distal end section of the crimp tube can be provided with a helical groove corresponding to the shape of a fixation helix, with the sleeve and distal section spaced from one another to permit insertion of an annular drug matrix. The distal portion of the electrode sleeve can have an annular groove formed to receive a length of platinum wire, for increased electrode sensitivity. | |
