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| Number | Title | Issue Date |
| 4313448 | Myocardial sutureless lead Myocardial sutureless unipolar lead including an insulated conductor coil adjacent to a base pad, and a barbed electrode spaced adjacent to the base pad and connected to the conductor coil. The sutureless myocardial unipolar lead requires no stab wound or... | 02/02/1982 |
| 4313079 | Battery depletion monitor A CMOS inverter is used to compare pacemaker battery voltage to a referenced voltage. When the reference voltage exceeds the measured battery voltage, the inverter changes state to indicate battery depletion.... | 01/26/1982 |
| 4301804 | Pacemaker with Hall effect externally controlled switch A body implantable cardiac pacemaker having a Hall effect switch which may be activated by a magnetic field in order to alter one or more pacemaker characteristics. A circuit in the pacemaker produces a strobe signal which is used to turn on a current flo... | 11/24/1981 |
| 4295472 | Heart rate monitor A wrist watch size heart rate monitor coupled with a flexible metal expansion band detects a electrocardiac signal on one arm and applies that detected signal to electronic circuitry within the monitor. Means are also included for receiving a second elect... | 10/20/1981 |
| 4289144 | A-V Sidearm lead Atrial-ventricular coaxial transvenous pacing lead including an inner ventricular lead having an electrode and an outer atrial lead having an atrial sidearm lead, the atrial sidearm lead including a sigmoidal shape and an electrode at the distal end of th... | 09/15/1981 |
| 4284082 | Ventricular synchronized atrial pacemaker and method of operation An atrial pacemaker having an atrial pacing rate adjusted to correspond to a detected ventricular heart rate to maintain A-V synchrony in a range between a minimum and maximum pacing rate. Sensed ventricular depolarizations not associated with a preceding... | 08/18/1981 |
| 4282886 | Adhesive bonded positive fixation epicardial lead Adhesive bonded positive fixation epicardial lead including an electrode support member for supporting an electrode and an adhesive which adheres the electrode support member and the accompanying electrode to an exterior wall of the heart. Surgical mesh c... | 08/11/1981 |
| 4281382 | Radiation signal processing system A gamma ray scintillation camera generating (X,Y) spatial coordinate and Z energy signals relative to detected radiation events. The system provides for calibration of the camera Z signal response as a function of camera face location. In addition, the ca... | 07/28/1981 |
| 4280511 | Ring electrode for pacing lead and process of making same Ring electrode for a pacing lead where the ring electrode is secured to a conductor coil by soft metal disposed in a slit in insulation over the conductor coil. A slit or hole is punched into the insulation before or after the insulation is pulled over th... | 07/28/1981 |
| 4273133 | Programmable digital cardiac pacemaker with means to override effects of reed switch closure A programmable cardiac pacemaker pulse generator utilizing digital circuitry for controlling the provision of cardiac stimulating pulses. The pulse generator is capable of having the rate, the pulse width, the pulse amplitude, the refractory period, the s... | 06/16/1981 |
| 4271847 | Temporary adjustable bipolar lead Temporary adjustable bipolar lead including an inner lead and an outer coaxial lead. A self-sealing lead introducer head at a junction of the inner lead and outer lead provides for takeoff of the end of the outer coaxial lead. The inner lead is in slidabl... | 06/09/1981 |
| 4266552 | Lead anchoring bobbin The lead anchoring bobbin for containing a transvenous pacing lead at an entry site in human tissue and including a grooved bobbin and buttons which frictionally engage and detain the lead on either side of the bobbin. The lead anchoring bobbin is made of... | 05/12/1981 |
| 4262678 | Pacing lead with tine protector Tine protector which protects a plurality of outwardly angular extending tines from an electrode of a pacing lead. The tine protector includes four sides and a bottom where two of the opposing sides include a first round hole in one side, and a second rou... | 04/21/1981 |
| 4258725 | Pacing lead with stylet and tapered terminal pin Terminal pin which engages into a wire coil of a transvenous pacing lead and mechanically attaches to the wire coil with a metal crimping sleeve which engages over the wire coil. The terminal pin includes a tapered distal end portion from an outward radia... | 03/31/1981 |
| 4253462 | Stylet Stylet including a stylet knob, a stylet wire, and a swaged stylet wire retaining sleeve over the stylet wire which engages within the stylet knob providing for controlled length and straightness of the stylet wire and mating within the long thin walled s... | 03/03/1981 |
| 4245642 | Lead connector Lead connector for use between an external pulse generator and a pacing lead. The lead connector includes elongated geometrical spaced connector pins which plug into connector terminals of the pulse generator and a hole accepting the connector end of the ... | 01/20/1981 |
| 4217913 | Body-implantable lead with protected, extendable tissue securing means A body-implantable, lead affixed with a pin or pins at its proximal end adapted to be connected to a pulse generator and with an electrode or electrodes at its distal end electrically connected via conductor means and adapted to be securely and permanentl... | 08/19/1980 |
| 4211241 | Heart valve sizing gauge A sizing gauge for determining the proper size of heart valve for implantation in a natural heart valve orifice. The sizing gauge includes a handle which can be gripped by a surgeon, a sizing ring having a smooth outer surface and a hollow interior, and c... | 07/08/1980 |
| 4197593 | Rotatably positionable heart valve and method An implantable heart valve including a suturing ring within which the body of the valve may be rotatably positioned following surgical implantation. The suturing ring is held to the valve body by binding means, such as an annular band or series of cord wr... | 04/15/1980 |
| 4182328 | Dispensing instrument and method A fluid dispensing instrument and method for placing a drug material into the canals of the Fallopian tubes of a female. The instrument has a housing carrying a piston and cylinder assembly. An elongated flexible tubular probe attached to the housing carr... | 01/08/1980 |
| 4078268 | Heart valve prosthesis A heart valve prosthesis having an annular base carrying two pivoting valving members for use in a heart to control the flow of blood. The valving members are pivotally mounted on the annular base for pivotal movement about separate axes spaced from the c... | 03/14/1978 |
| 3964470 | Percutaneous intradermal electrical connection system and implant device A percutaneous intradermal electrical connection system and implant device, the implant device including a flange and a neck extending from the flange. The neck has a cavity in its end and is provided with a lip for inhibiting the growth of epithelial or ... | 06/22/1976 |
| 3957056 | Power-source canister An improved power-source canister for isolating a power source from the device or devices to be powered when packaged therewith for implantation in a living animal body. The canister is formed by a bottom wall and a continuous side wall and is provided wi... | 05/18/1976 |
