1
Branko Breyer, Ivo Cikes: Ultrasonically marked cardiac catheters. Telectronics, Gottlieb Rackman & Reisman, October 6, 1987: US04697595 (247 worldwide citation)

The hollow cylindrical wall of the catheter is composed of flexible, electrically insulating, ultrasonically transparent material. Embedded therein are spaced tubular-shaped ultrasonic piezoelectric transducers which substantially surround the lumen. The transducers receive signals from the imaging ...


2
Bozidar Ferek Petric, Branko Breyer, Ivo Cikes: Ultrasonic marked cardiac ablation catheter. Sulzer Osypka, Lahive & Cockfield, November 24, 1998: US05840030 (175 worldwide citation)

A method and system for therapy of cardiac arrythmias is provided which uses a directional electric field applied via ablation electrode for cardiac ablation together with an ultrasonic imaging system including an ultrasonic marking transducer mounted fixedly in the vicinity of the ablation electrod ...


3
Branko Breyer, Ivo Cikes, Bozidar Ferek Petric: Cardiac ultrasonically marked leads and method for used same. Telectronics, Gottlieb Rackman & Reisman, November 17, 1987: US04706681 (140 worldwide citation)

Cardiac ultrasonically marked leads produced by mounting one or more piezoelectric marker transducers into the leads and connecting the transducers by electrical conductors to appropriate electronic circuits which, upon reception of the scanner ultrasonic signals by the marker transducers, generate ...


4
Branko Breyer, Bozidar Ferek Petric: Blood flow measurement device. Pacesetter, Hill & Simpson, July 28, 1998: US05785657 (67 worldwide citation)

A blood flow velocity measurement device is devised where there exist such entities within the fluid which are detectable when axially flowing (passing by) an appropriate detector of known and well defined dimensions mounted onto a catheter. The entities produced for instance by a generator, when fl ...


5
Bozidar Ferek Petric, Branko Breyer: Pacing method and system for blood flow velocity measurement and regulation of heart stimulating signals based on blood flow velocity. Hill Steadman & Simpson, June 7, 1994: US05318595 (57 worldwide citation)

A system and method for regulation of pacing signals, and more particularly for regulation of an atrioventricular interval in a cardiac electrotherapy system based on measurement of blood flow velocity profiles. More particularly, a diastolic blood flow filling wave and an atrial blood flow filling ...


6
Bozidar Ferek Petric, Branko Breyer: Tricuspid flow synchronized cardiac electrotherapy system with blood flow measurement transducer and controlled pacing signals based on blood flow measurement. Hill Steadman & Simpson, September 14, 1993: US05243976 (54 worldwide citation)

A cardiac electrotherapy system has flow velocity measurement capability for measuring a velocity of blood flow at a region of a tricuspid valve of a heart. A pacing system is provided which outputs a pacing electrical signal to the heart. A control unit which is responsive to a measured flow veloci ...


7
Bozidar Ferek Petric, Branko Breyer: Cardiac measurement system for measuring blood flow velocity by use of a sensor implanted inside the heart. Hill Steadman & Simpson, May 31, 1994: US05316001 (51 worldwide citation)

A cardiac electrotherapy system has flow velocity measurement capability for measuring a velocity of blood flow at a region of a tricuspid valve of a heart. A pacing system is provided which outputs a pacing electrical signal to the heart. A control unit which is responsive to a measured flow veloci ...


8
Bozidar Ferek Petric, Branko Breyer: Venous pooling detection and therapy device. Pacesetter, Hill & Simpson, June 22, 1999: US05913879 (42 worldwide citation)

An implantable detection and therapy device allow prediction of the vasovagal syncope for use in administering therapy to a subject, the therapy including pacing pulses or drug delivery, or a combination thereof. The detection and therapy device includes a sensor which obtains blood flow velocity da ...


9
Bozidar Ferek Petric, Branko Breyer: Blood flow velocity measurement device. Pacesetter, Hill & Simpson, September 1, 1998: US05799350 (30 worldwide citation)

An intracardiac blood flow velocity measurement device has a catheter adapted to be inserted through a blood vessel into the heart, at least two electrodes made of two different biocompatible materials mounted on the catheter at a detecting position which is located in a selected detecting area when ...


10
Bozider Ferek Petric, Branko Breyer: Ultrasound methods and implantable medical devices using same. Medtronic, Paul H McDowall, Girma Wolde Michael, May 2, 2006: US07037266 (13 worldwide citation)

An ultrasound method and medical devices using same provide for various techniques of sampling blood flow velocity, e.g., at several sampling rates. To minimize the energy required for ultrasound monitoring, pulsed Doppler signal packages provided by a pulsed ultrasound circuit are switched in such ...