1
John M Adams, Clifton A Alferness: Implantable myocardial ischemia monitor and related method. InControl, Foley & Lardner, August 4, 1992: US05135004 (301 worldwide citation)

An implantable device assists in the diagnosis of myocardial ischemia of a human heart and includes a plurality of electrodes and a like plurality of sense amplifiers for generating an electrogram for each of the electrodes. A digital to analog converter reads the voltage magnitudes of the electrogr ...


2
Clifton A Alferness: Cardiac reinforcement device. Acorn Medical, Merchant Gould Smith Edell Welter & Schmidt P A, December 30, 1997: US05702343 (290 worldwide citation)

The present disclosure is directed to a cardiac reinforcement device (CRD) and method for the treatment of cardiomyopathy. The CRD provides for reinforcement of the walls of the heart by constraining cardiac expansion, beyond a predetermined limit, during diastolic expansion of the heart. A CRD of t ...


3
Clifton A Alferness, John M Adams, Mark L Mathis, David G Reuter: Anchor and pull mitral valve device and method. Cardiac Dimensions, Wilson Sonsini Goodrich & Rosati, June 21, 2005: US06908478 (211 worldwide citation)

A device, system, and method effects mitral valve annulus geometry of a heart. The device includes a first anchor configured to be positioned within and fixed to the coronary sinus of the heart adjacent the mitral valve annulus within the heart. A cable is fixed to the first anchor and extends proxi ...


4
Clifton A Alferness, John M Adams, John Melmoth Power: Mitral valve therapy device, system and method. Cardiac Dimensions, Wilson Sonsini Goodrich & Rosati, October 5, 2004: US06800090 (209 worldwide citation)

An assembly and method for effecting the condition of a mitral valve annulus of a heart includes a guide wire configured to be fed into the coronary sinus of the heart, and a mitral valve annulus therapy device configured to be slidingly received on the guide wire and advanced into the coronary sinu ...


5
Clifton A Alferness, Richard Y Lin, Wilfred E Jaeger: Method of reducing lung size. Spiration, Graybeal Jackson Haley, July 10, 2001: US06258100 (207 worldwide citation)

A device, system, and method provides for lung size reduction by permanently collapsing at least a portion of a lung. The lung portion may be collapsed by obstructing the air passageway which communicates the lung portion to be collapsed. The air passageway may be obstructed by an obstructing member ...


6
Clifton A Alferness: Vascular catheter assembly for tissue penetration and for cardiac stimulation and methods thereof. Graybeal Jackson Haley & Johnson, July 19, 1994: US05330496 (205 worldwide citation)

A vascular catheter apparatus for penetration through tissue and for cardiac stimulation, and a methods thereof, are disclosed. The apparatus includes a tubular member having a lumen, and a blunt-end stylet within the lumen. An actuation mechanism causes axial movement of the stylet relative to the ...


7
Clifton A Alferness, Richard Y Lin, Wilfred E Jaeger: Lung reduction device, system, and method. Spiration, Graybeal Jackson Haley, September 25, 2001: US06293951 (183 worldwide citation)

A device, system, and method provides for lung size reduction by permanently collapsing at least a portion of a lung. The lung portion may be collapsed by obstructing the air passageway which communicates the lung portion to be collapsed. The air passageway may be obstructed by an obstructing member ...


8
Clifton A Alferness: Cardiac reinforcement device. Acorn Cardiovascular, Merchant & Gould P C, June 20, 2000: US06077218 (158 worldwide citation)

The present disclosure is directed to a cardiac reinforcement device (CRD) and method for the treatment of cardiomyopathy. The CRD provides for reinforcement of the walls of the heart by constraining cardiac expansion, beyond a predetermined limit, during diastolic expansion of the heart. A CRD of t ...


9
Clifton A Alferness, Hugo X Gonzalez: Tissue resection device, system and method. Spiration, Graybeal Jackson Haley, November 26, 2002: US06485407 (155 worldwide citation)

A resection device and method permits safe and efficient encapsulation, isolation and resection of body tissue. The device includes a sheath of flexible and severable material configured to receive the body tissue to be resectioned as it is drawn therein. The sheath may be expandable and held in an ...


10
Clifton A Alferness, John R Helland: Intravenous cardiac lead with improved fixation and method. InControl, Richard O Gray Jr, February 7, 1995: US05387233 (148 worldwide citation)

An intravenous lead for use with a cardiac device implantable beneath the skin of a patient provides positive fixation for the lead when implanted in an artery or vein of the heart. The lead includes a lead body adapted to be fed into an artery or a vein of the heart of a patient and at least one el ...