초록 ▼

The invention provides a system and method for performing less-invasive surgical procedures within a body cavity. In a preferred embodiment, the invention provides a system and method for isolating a surgical site such as an anastomosis between an internal mammary artery and a coronary artery in a t

The invention provides a system and method for performing less-invasive surgical procedures within a body cavity. In a preferred embodiment, the invention provides a system and method for isolating a surgical site such as an anastomosis between an internal mammary artery and a coronary artery in a thoracoscopic coronary artery bypass grafting procedure. The system comprises a foot (11) pivotally coupled to the distal end of a shaft (3) by a linkage (13). The foot has first and second engaging portions (15, 17) with contact surfaces for engaging a tissue surface. The engaging portions are movable between an open position, where the contact surfaces are separated by a gap, and a collapsed position, where the foot is configured for delivery through the percutaneous penetration. An actuator, at the proximal end of the shaft, can be rotated to pivot the foot about a transverse axis so that the contact surfaces are oriented generally parallel to the surgical site to apply pressure to the tissue structure on both sides of the surgical site.

대표청구항 ▼

1. A method of performing a procedure on a coronary artery on a heart in a body of a patient, comprising: providing a device comprising a shaft having a proximal and distal end, and a foot pivotally coupled to the shaft, the foot having contact surfaces;creating a surgical opening in a chest wall of

1. A method of performing a procedure on a coronary artery on a heart in a body of a patient, comprising: providing a device comprising a shaft having a proximal and distal end, and a foot pivotally coupled to the shaft, the foot having contact surfaces;creating a surgical opening in a chest wall of a patient; passing the shaft through the surgical opening and into a body cavity; pivoting the foot until the contact surfaces are generally parallel to the surface of the heart; contacting the surface of the heart with the contact surfaces of the foot; clamping the device to a clamping fixture to fix the position of the device relative to the body cavity; and performing a procedure on the coronary artery.