1
Paul A Spence, Warren Williamson IV: Device to permit offpump beating heart coronary bypass surgery. Guidant Corporation, Terry M Gernstein, February 1, 2000: US06019722 (229 worldwide citation)

A heart retractor links lifting of the heart and regional immobilization which stops one part of the heart from moving to allow expeditious suturing while permitting other parts of the heart to continue to function whereby coronary surgery can be performed on a beating heart while maintaining cardia ...


2
Paul A Spence, Warren P Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. Origin Medsystems, Alan W Cannon, Bozicevic Field & Francis, January 15, 2002: US06338712 (90 worldwide citation)

A system for manipulating a heart during cardiac surgery permits coronary surgery on a beating heart while maintaining cardiac output unabated and uninterrupted. Circumflex coronary artery surgery can be performed using the system. The system locates a suspension head near the apical region of the h ...


3
Paul A Spence, Warren Williamson IV: Device to permit offpump beating heart coronary bypass surgery. Origin Medsystems, Law Office of Alan W Cannon, March 16, 2004: US06705988 (40 worldwide citation)

A system for manipulating and supporting a beating heart during cardiac surgery, including a gross support element for engaging and supporting the heart (the gross support element preferably including a head which is sized and shaped to cradle the myocardium of the left ventricle”), a suspension hea ...


4
Paul A Spence, Warren Williamson IV: Device to permit offpump beating heart coronary bypass surgery. Origin Medsystems, Alan W Cannon, Bozicevic Field & Francis, March 26, 2002: US06361493 (23 worldwide citation)

A heart retractor links lifting of the heart and regional immobilization which stops one part of the heart from moving to allow expeditious suturing while permitting other parts of the heart to continue to function whereby coronary surgery can be performed on a beating heart while maintaining cardia ...


5
Paul A Spence, Warren P Williamson IV: Device to permit offpump beating heart coronary bypass surgery. Origin Medsystems, Law Office of Alan W Cannon, July 29, 2008: US07404792 (19 worldwide citation)

A system for manipulating and supporting a beating heart during cardiac surgery, including a gross support element for engaging and supporting the heart (the gross support element preferably including a head which is sized and shaped to cradle the myocardium of the left ventricle”), a suspension hea ...


6
Paul A Spence, Warren Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. Cardiothoracic Systems, Alan W Cannon, June 1, 2004: US06743170 (13 worldwide citation)

A system for manipulating a heart during cardiac surgery permits coronary surgery on a beating heart while maintaining cardiac output unabated and uninterrupted. Circumflex coronary artery surgery can be performed using the system. The system locates a suspension head near the apical region of the h ...


7
Paul A Spence, Warren Williamson IV: Device to permit offpump beating heart coronary bypass surgery. Origin Medsystems, Law Office of Alan W Cannon, April 27, 2004: US06726622 (11 worldwide citation)

A heart retractor links lifting of the heart and regional immobilization which stops one part of the heart from moving to allow expeditious suturing while permitting other parts of the heart to continue to function whereby coronary surgery can be performed on a beating heart while maintaining cardia ...


8
Paul A Spence, Warren P Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. Maquet Cardiovascular, Law Office of Alan W Cannon, January 13, 2009: US07476199 (10 worldwide citation)

A system for manipulating a heart during cardiac surgery permits coronary surgery on a beating heart while maintaining cardiac output unabated and uninterrupted. Circumflex coronary artery surgery can be performed using the system. A component of the system engages the heart with a head of a heart p ...


9
Paul A Spence, Warren P Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. MAQUET Cardiovascular, Alan W Cannon, January 13, 2009: US07476196 (8 worldwide citation)

A suction cup adapted to engage a surface of a beating heart with sufficient force to move the beating heart to an unnatural position upon moving the suction cup, while the suction cup maintains engagement with the surface of the heart and the heart continues to beat. Various suction cups are descri ...


10
Paul A Spence, Warren P Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. Origin Medsystems, Law Office of Alan W Cannon, May 27, 2008: US07377895 (7 worldwide citation)

A system for use in conducting coronary surgery permits coronary surgery on a beating heart while maintaining cardiac output unabated and uninterrupted. Circumflex coronary artery surgery can be performed using the system. The system includes a first device for engaging and repositioning the beating ...