1
Jocelyn Durand, Louis Gilles Durand, Marie Claude Grenien: Electronic stethescope. Theratechnologies, Merchant Gould Smith Edell Welter & Schmidt P A, February 11, 1997: US05602924 (370 worldwide citation)

The electronic stethoscope is designed to minimize the influence of the various types of noise while optimizing auscultation of the sounds of interest, and to enable a cardiologist to auscultate mechanical heart valves. It comprises a probe for sensing sounds of interest produced within a patient's ...


2
Demetrio J Vazquez, Louis A Campbell, Jeffrey M Mabrey: Sutureless heart valve prosthesis. Sulzer Carbomedics, Timothy L Scott, Kenneth S Barrow, September 11, 2001: US06287339 (244 worldwide citation)

A heart valve prosthesis which incorporates a substantially permanently implantable abutment structure which is surgically attached to a native heart valve annulus through utilization of a resilient metal substructure having an attachment portion which moves into engagement with a native heart annul ...


3
Joseph A Sauter, Louis A Campbell: Combined prosthetic aortic heart valve and vascular graft. Carbomedics, John R Merkling, June 23, 1992: US05123919 (193 worldwide citation)

A combined mechanical heart valve and vascular graft having a shortened transition area between the valve and the graft. The mechanical valve comprises a rigid circular annulus supporting internal leaflets. A stiffening ring surrounds the annulus and provides support for a sewing ring to attach the ...


4
David W Adinolfi: Implantable tachyarrhythmia control system having a patch electrode with an integrated cardiac activity system. Siemens Pacesetter, Leslie S Miller, Lisa P Weinberg, May 5, 1992: US05109842 (164 worldwide citation)

An implantable tachyarrhythmia control system includes a patch electrode having a sensor integrated therein, such as a piezoelectric sensor, which is capable of monitoring mechanical heart activity. When the patch electrode is sutured to the cardiac tissue, the piezoelectric sensor will be deformed ...


5
Terry L Shepherd, Guy Vanney, Kurt D Krueger: Direct suture orifice for mechanical heart valve. St Jude Medical, Hallie A Finucane Esq, July 7, 1998: US05776188 (145 worldwide citation)

A mechanical heart valve for implantation in a heart of a patient includes an orifice body having an outer circumference and defining a lumen for blood flow therethrough. At least one leaflet carried in the lumen of the orifice body is movable between an open position, allowing flow through the lume ...


6
Robert W Stadler, William J Combs, David Lipson: Implantable medical device employing sonomicrometer output signals for detection and measurement of cardiac mechanical function. Medtronic, Michael C Soldner, Girma Wolde Michael, September 21, 2004: US06795732 (121 worldwide citation)

Implantable medical devices (IMDs) for detection and measurement of cardiac mechanical and electrical function employ a system and method for determining mechanical heart function and measuring mechanical heart performance of upper and lower and left and right heart chambers without intruding into a ...


7
Brian B Lee: Method and apparatus for monitoring heart function in a subcutaneously implanted device. Medtronic, Paul H McDowall, Michael C Soldner, Girma Wolde Michael, April 25, 2006: US07035684 (118 worldwide citation)

A minimally invasive, implantable monitor and associated method for chronically monitoring a patient's hemodynamic function based on signals sensed by one or more acoustical sensors. The monitor may be implanted subcutaneously or submuscularly in relation to the heart to allow acoustic signals gener ...


8
Shlomo Gabbay: Biomechanical heart valve prosthesis and method for making same. Tarolli Sundheim Covell & Tummino L, June 24, 2003: US06582464 (112 worldwide citation)

A system and method are disclosed for covering a mechanical heart valve with biological tissue to provide a biomechanical heart valve prosthesis. The prosthesis includes a mechanical heart valve having a moveable portion mounted within a generally annular support that permits substantially unidirect ...


9
Forrest C M Pape, Paul J Huelskamp: Implantable medical device for measuring mechanical heart function. Medtronic, Michael C Soldner, Girma Wolde Michael, October 25, 2005: US06959214 (101 worldwide citation)

An implantable device for measuring mechanical heart function of selected heart chambers using a heart contraction detection system that includes a magnetic field sensor. The system may be used for monitoring signs of acute or chronic cardiac heart failure, to enable diagnosis of the condition of th ...


10
Joseph A Sauter, Jeffrey L Poehlmann, Louis A Campbell: Suture rings for heart valves and method of securing suture rings to heart valves. Carbomedics, John R Merkling, December 10, 1991: US05071431 (97 worldwide citation)

A suture ring for a mechanical heart valve comprised of essentially three parts: a stiffening ring which fits over an outer surface of the heart valve; a knit fabric sewing cuff attached to the stiffening ring, and a locking ring for securing the stiffening ring to the heart valve. The preferred emb ...