1
Jonathan Pitts Crick, Geeske Van Oort: Medical device. Vitatron Medical, Thomas F Woods, Michael J Jaro, Harold Patton, August 15, 2000: US06104949 (158 worldwide citation)

A device and method useful in the diagnosis and treatment of congestive heart failure. Specifically the present invention senses the trans-thoracic impedance as well as patient posture. By correlating changes in posture with trans-thoracic impedance changes, the present invention is able to diagnose ...


2
Henk Reineman: Pacemaker with improved shelf storage capacity. Vitatron Medical, Woodcock Washburn Kurtz Mackiewicz & Norris, June 4, 1996: US05522856 (148 worldwide citation)

A pacemaker has logic incorporated for holding the pacemaker circuitry, or at least a portion of such circuitry, in a low current drain "standby" mode of operation from time of fabrication until time of implantation or preparation for implantation, in order to minimize battery depletion during shelf ...


3
Willem Boute: Dual chamber pacing system and method utilizing detection of ventricular fusion for adjustment of the atrial-ventricular delay as therapy for hypertrophic obstructive cardiomyopathy. Vitatron Medical, Woodcock Washburn Kurtz Mackiewicz & Norris, July 9, 1996: US05534016 (115 worldwide citation)

A dual chamber pacemaker for providing ventricular pace pulses synchronized with atrial senses or paces, and having specific control for optimizing the AV escape interval and resultant AV delay for purposes of therapy for a patient with hypertrophic obstructive cardiomyopathy (HOCM). The pacemaker h ...


4
Frederik H M Wittkampf: Atrial lead and method of inserting same. Vitatron Medical, Woodcock Washburn Kurtz & Mackiewicz, January 30, 1979: US04136703 (110 worldwide citation)

An atrial lead assembly is provided which is adapted for curving into position within the atrium, the lead having a flexible length without any preset curve, and comprising stylet means for introducing a curve into the distal end of the lead. The stylet enables the operator to set the axis of the le ...


5
B F M Vonk, Eugenio Johannes W Van Someren: System an method for detecting tremors such as those which result from parkinsons disease. Vitatron Medical, Woodcock Washburn Kurtz Mackiewicz & Norris, March 15, 1994: US05293879 (101 worldwide citation)

A system and method are provided for accurate determination of various tremors and movements derived from Parkinson's Disease and other causes. Movement signals are generated by an accelerometer, the movement signals being analyzed to determine whether they are in a predetermined frequency range, an ...


6
Willem Boute: Dual chamber pacemaker with automatically optimized AV delay. Vitatron Medical, Woodcock Washburn Kurtz Mackiewicz & Norris, July 19, 1994: US05330511 (100 worldwide citation)

The dual chamber system and method of operation contains an automatic test for determining an optimum AV interval at a test frequency such as LRL. In a preferred embodiment the test is carried out at nighttime, wherein the implanted pacer is set to asynchronous operation at LRL, and AV interval is s ...


7
Johannes S van der Veen, Geeske van Oort: Dual chamber pacing system and method with control of AV interval. Vitatron Medical, Woodcock Washburn Kurtz Mackiewicz & Norris, February 3, 1998: US05713930 (97 worldwide citation)

A dual chamber pacemaker system and method is provided for adjusting AV delay to provide for an optimal AV setting for a selected pacing application. In the inventive system and method, the basis for determining the AV delay setting is to perform a ventricular fusion test, wherein variations in QT i ...


8
Willem Boute, Frederik H M Wittkampf, Gerrit W van Arragon, Kornelis A Mensink: Programmable cardiac pacemaker with microprocessor control of pacer rate. Vitatron Medical, Woodcock Washburn Kurtz Mackiewicz & Norris, March 12, 1985: US04503857 (92 worldwide citation)

A programmable pacemaker apparatus having a microprocessor and means for receiving program information from an external source, means for generating and delivering stimulus signals and means for sensing the occurrence of natural heartbeats in a patient, and having a battery source powering the appar ...


9
Christianus J J E van Groeningen: Pacemaker system with peltier cooling of A-V node for treating atrial fibrillation. Vitatron Medical, Woodcock Washburn Kurtz Mackiewicz & Norris, March 2, 1999: US05876422 (85 worldwide citation)

There is provided a cardiac pacing system for dealing with dangerous atrial arrhythmias, wherein when an episode of such an arrhythmia is detected, the system operates to cool the A-V node so as to reversibly block conduction of the atrial excitations through to the ventricle, permitting uninterrupt ...


10
Willem Boute: Cardiac treatment system and method for sensing and responding to heart failure. Vitatron Medical, Thomas F Woods, Michael J Jaro, Harold Patton, October 10, 2000: US06129744 (83 worldwide citation)

A pacing system and method for determining a heart failure condition such as left ventricular dysfunction in a patient are provided, based upon obtaining information from cardiac signals, which information is processed and examined for an indication of the onset or progression of LVD. Since LVD is g ...