Steven S Peng

US Patent:

6375611, Apr 23, 2002

Filed:

Jan 7, 2000

Appl. No.:

09/479358

Inventors:

Larry Voss - San Jose CA
Steven Peng - Burlingame CA
David Hancock - San Francisco CA
Grace Carlson - San Francisco CA

Assignee:

Origin Medsystems, Inc. - Menlo Park CA

International Classification:

A61B 132

US Classification:

600210, 600235, 600 37

Abstract:

An organ-stabilizing element is covered with a layer of textile material such as cloth enhance slip-free engagement with an organ such as a beating heart during surgery thereon. The organ-stabilizing element is supported on a stacked structure of successive ball elements and rings that can be selectively flexible or rigid in response to tensioning of a flexible cable within a central bore of the structure.

US Patent:

6506149, Jan 14, 2003

Filed:

Sep 7, 1999

Appl. No.:

09/390792

Inventors:

Steven Peng - Menlo Park CA
Larry Voss - San Jose CA
David E. Hancock - San Francisco CA
Grace A. Carlson - San Francisco CA
John W. Davis - Mountain View CA
Albert K. Chin - Palo Alto CA
Jaime S. Vargas - Palo Alto CA

Assignee:

Origin Medsystems, Inc. - Menlo Park CA

International Classification:

A61F 1300

US Classification:

600 37, 600201, 600228, 600231

Abstract:

An organ manipulator including at least one suction member or adhesive disc mounted to a compliant joint, a flexible locking arm for mounting such suction member or compliant joint, and a method for retracting and suspending an organ in a retracted position using suction (or adhesive force) so that the organ is free to move normally (e. g. , to beat or undergo other limited-amplitude motion) in at least the vertical direction during both steps. In preferred embodiments, a suction member exerts suction to retract a beating heart and suspend it in a retracted position during surgery. As the retracted heart beats, the compliant joint allows it to expand and contract freely (and otherwise move naturally) at least in the vertical direction so that hemodynamic function is not compromised. The suction member conforms or can be conformed to the organ anatomy, and its inner surface is preferably smooth and lined with absorbent material to improve traction without causing trauma to the organ. The compliant joint can connect the member to an arm which is adjustably mounted to a sternal retractor or operating table.

US Patent:

6730020, May 4, 2004

Filed:

Dec 22, 2000

Appl. No.:

09/747388

Inventors:

Steven Peng - Menlo Park CA
Larry Voss - San Jose CA
David E. Hancock - San Francisco CA
Grace A. Carlson - San Francisco CA
John W Davis - Mountain View CA
Albert K. Chin - Palo Alto CA
Jaime S. Vargas - Palo Alto CA

Assignee:

Origin Medsystems Inc. - Santa Clara CA

International Classification:

A61B 132

US Classification:

600201, 600206, 600 37

Abstract:

A flexible locking arm for use in an organ manipulator apparatus. The flexible locking arm has a flexible state, used to position the organ manipulator as needed, and a fixed state for mounting the manipulator in a desired orientation. Even in the fixed state, the organ manipulator maintains a limited freedom of movement, to allow the organ held to continue to move substantially according to its natural motion during functioning. For example, in an embodiment where a suction member exerts suction to retract a beating heart and suspend it in a retracted position during surgery by setting the flexible arm to the fixed state, as the retracted heart beats, a complaint joint allows it to expand and contract freely (and otherwise move naturally) at least in the vertical direction so that hemodynamic function is not substantially compromised.

US Patent:

6849044, Feb 1, 2005

Filed:

Jan 15, 2002

Appl. No.:

10/051720

Inventors:

Larry Voss - San Jose CA, US
Steven Peng - Burlingame CA, US
David Hancock - San Francisco CA, US
Grace Carlson - San Francisco CA, US

International Classification:

A61B 100

US Classification:

600229, 600210, 403 90

Abstract:

An organ-stabilizing element is covered with a layer of textile material such as cloth to enhance slip-free engagement with an organ such as a beating heart during surgery thereon. The organ-stabilizing element is supported on a stacked structure of successive ball elements and rings that can be selectively flexible or rigid in response to tensioning of a flexible cable within a central bore of the structure.

US Patent:

7226409, Jun 5, 2007

Filed:

Mar 15, 2004

Appl. No.:

10/801024

Inventors:

Steven Peng - Burlingame CA, US
Larry Voss - San Jose CA, US
David E. Hancock - San Francisco CA, US
Grace A. Carlson - San Francisco CA, US
John W. Davis - Mountain View CA, US
Albert K. Chin - Palo Alto CA, US
Jaime S. Vargas - Palo Alto CA, US

Assignee:

Origin Medsystems, Inc. - Santa Clara CA

International Classification:

A61F 13/00

US Classification:

600 37, 600201, 600228

Abstract:

An organ manipulator including at least one suction member or adhesive disk mounted to a joint providing freedom of movement of the at least one suction member or adhesive disk relative to its support. A method for retracting and suspending an organ in a retracted position using suction (or adhesive force) so that the organ is free to move normally (e. g. , to beat or undergo other limited-amplitude motion) in at least the vertical direction during both steps.

US Patent:

7766817, Aug 3, 2010

Filed:

Apr 23, 2007

Appl. No.:

11/789383

Inventors:

Steven Peng - Burlingame CA, US
Larry Voss - San Jose CA, US
David E. Hancock - San Francisco CA, US
Grace A. Carlson - San Francisco CA, US
John W. Davis - Sunnyvale CA, US
Albert K. Chin - Palo Alto CA, US
Jaime S. Vargas - Palo Alto CA, US

Assignee:

Maquet Cardiovascular LLC - San Jose CA

International Classification:

A61F 13/00

US Classification:

600 37, 600201, 600228

Abstract:

An organ manipulator including at least one suction member or adhesive disc mounted to a joint providing freedom of movement of the at least one suction member or adhesive disk relative to its support. A method for retracting and suspending an organ in a retracted position using suction (or adhesive force) so that the organ is free to move normally (e. g. , to beat or undergo other limited-amplitude motion) in at least the vertical direction during both steps.

US Patent:

8092369, Jan 10, 2012

Filed:

Jul 15, 2010

Appl. No.:

12/837391

Inventors:

Steven Peng - Burlingame CA, US
Larry Voss - San Jose CA, US
David E. Hancock - San Francisco CA, US
Grace A. Carlson - San Francisco CA, US
John W. Davis - Sunnyvale CA, US
Albert K. Chin - Palo Alto CA, US
Jaime S. Vargas - Palo Alto CA, US

Assignee:

MAQUET Cardiovascular LLC - San Jose CA

International Classification:

A61F 13/00

US Classification:

600 37

Abstract:

An organ manipulator including at least one suction member or adhesive disk mounted to a joint providing freedom of movement of the at least one suction member or adhesive disk relative to its support. A method for retracting and maintaining an organ in a retracted position using suction (or adhesive force) so that the organ is free to move normally (e. g. , to beat or undergo other limited-amplitude motion) is provided.

US Patent:

20030009080, Jan 9, 2003

Filed:

Jul 10, 2002

Appl. No.:

10/193575

Inventors:

Steven Peng - Burlingame CA, US
Larry Voss - San Jose CA, US
David Hancock - San Francisco CA, US
Grace Carlson - San Francisco CA, US
John Davis - Mountain View CA, US
Albert Chin - Palo Alto CA, US
Jaime Vargas - Palo Alto CA, US

International Classification:

A61F002/00

US Classification:

600/037000

Abstract:

An organ manipulator including at least one suction member or adhesive disc mounted to a compliant joint, a flexible locking arm for mounting such suction member or compliant joint, and a method for retracting and suspending an organ in a retracted position using suction (or adhesive force) so that the organ is free to move normally (e.g., to beat or undergo other limited-amplitude motion) in at least the vertical direction during both steps. In preferred embodiments, a suction member exerts suction to retract a beating heart and suspend it in a retracted position during surgery. As the retracted heart beats, the compliant joint allows it to expand and contract freely (and otherwise move naturally) at least in the vertical direction so that hemodynamic function is not compromised. The suction member conforms or can be conformed to the organ anatomy, and its inner surface is preferably smooth and lined with absorbent material to improve traction without causing trauma to the organ. The compliant joint can connect the member to an arm which is adjustably mounted to a sternal retractor or operating table. The compliant joint can be a sliding ball joint, a hinged joint, a pin sliding in a slot, a universal joint, a spring assembly, or another compliant element. In preferred embodiments, the method includes the steps of affixing a suction member to a beating heart at a position concentric with the heart's apex, and applying suction to the heart while moving the member to retract the heart such that the heart has freedom to undergo normal beating motion at least in the vertical direction during retraction.