1
Rodney W Salo, Brian D Pederson: Dimension sensitive angioplasty catheter. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, May 13, 1986: US04587975 (347 worldwide citation)

An improved dilation catheter for use in the conduct of transluminal angioplasty techniques whereby measurements may be taken to determine patency during the course of the procedure. The catheter comprises an elongated tubular member having an inelastic expander member proximate its distal end. The ...


2
Bruce A Tockman, Julio C Spinelli, Rodney W Salo: Method and apparatus to automatically optimize the pacing mode and pacing cycle parameters of a dual chamber pacemaker. Cardiac Pacemakers, Haugen and Nikolai P A, July 30, 1996: US05540727 (324 worldwide citation)

A cardiac stimulating system incorporating a microprocessor-based controller is designed to automatically optimize both the pacing mode and one or more pacing cycle parameters in a way that results in optimization of a cardiac performance parameter, such as cardiac output. For each of a plurality of ...


3
Lawrence S Baumann, Bruce A Tockman, Rodney W Salo, Emanuel H Silvermint: Apparatus and method for optimizing cardiac performance by determining the optimal timing interval from an accelerometer signal. Cardiac Pacemakers, Haugen & Nikolai PA, November 17, 1998: US05836987 (323 worldwide citation)

A cardiac stimulating apparatus and method which optimizes cardiac performance by determining, from a filtered waveform transmitted from an accelerometer contained within the cardiac pacer, an optimum timing interval between at least one of intrinsic and paced stimulations of pre-selected chambers o ...


4
Rodney W Salo, Kevin G Nugent: Optimization of pacing parameters based on measurement of integrated acoustic noise. Cardiac Pacemakers, Nikolai Mersereau & Dietz P A, March 28, 2000: US06044298 (285 worldwide citation)

Hemodynamic performance of the heart as a pump is optimized by using an accelerometer and signal processing circuitry to measure total acoustic noise (TAN) over predetermined time periods when a pacemaker is made to function in a variety of modes. By detecting the particular mode associated with min ...


5
Rodney W Salo, Julio C Spinelli, Bruce A Tockman: Cardiac stimulating apparatus and method for heart failure therapy. Cardiac Pacemakers, Haugen and Nikolai, August 2, 1994: US05334222 (282 worldwide citation)

A cardiac rhythm management device includes a dual-chamber pacemaker especially designed for treating congestive heart failure and a defibrillator as a back-up measure. The device incorporates a programmed microcontroller which is operative to adjust the AV delay of the pacemaker to a minimum or max ...


6
Rodney W Salo: Method and apparatus for measuring ventricular volume. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, June 23, 1987: US04674518 (259 worldwide citation)

A method and apparatus for the instantaneous measurement of venticular volume using an intracavity electrical impedance catheter having plural pairs of spaced surface electrodes driven by a corresponding plurality of electrical signals, each of the signals exhibiting a different discrete frequency, ...


7
Rodney W Salo, V A Kadhiresan, Kevin G Nugent: Multi-site impedance sensor using coronary sinus/vein electrodes. Cardiac Pacemakers, Nikolai Mersereau & Dietz P A, August 21, 2001: US06278894 (254 worldwide citation)

A method and apparatus for performing impedance plethysmography on a living heart for diagnostic and therapy purposes involves placement of plural leads where at least one is disposed within a coronary vein traversing the myocardium on the left side of the heart with another lead having plural elect ...


8
Rodney W Salo, Bruce A Tockman, Morton M Mower: Implantable cardiac function monitor and stimulator for diagnosis and therapy delivery. Cardiac Pacemakers, Haugen and Nikolai, May 23, 1995: US05417717 (246 worldwide citation)

An implantable monitor/stimulator is disclosed that monitors and assesses indices of cardiac function, including the strength and timing of cardiac contraction, then automatically executes a physician-selected mode of therapy. It accomplishes this by assessing impedance, electrocardiogram, and/or pr ...


9
Rodney W Salo, Brian D Pederson: Biomedical method and apparatus for controlling the administration of therapy to a patient in response to changes in physiologic demand. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, August 18, 1987: US04686987 (243 worldwide citation)

A biomedical apparatus capable of sensing changes in the heart's ventricular volume or stroke volume and then changing the operating performance of the device in a fashion as a function of stroke volume. A relatively low frequency signal (under 5 KHz) is applied between spaced electrodes disposed in ...


10
Rodney W Salo, Julio C Spinelli, Bruce A Tockman: Cardiac stimulating apparatus and method for heart failure therapy. Cardiac Pacemakers, Haugen and Nikolai P A, December 17, 1996: US05584868 (233 worldwide citation)

A cardiac rhythm management device and method includes a dual-chamber pacemaker especially designed for treating congestive heart failure and a defibrillator as a back-up measure. The device incorporates a programmed microcontroller which is operative to adjust the AV delay of the pacemaker to a min ...