| 摘要 |
A surgical instrument includes a frame structure defining proximal and distal portions. The proximal portion has an articulating arm for repositionably mounting to a base and the distal portion supporting a stabilizing member. An attachment mounts on the stabilizing member, the attachment being configured and dimensioned such that upon contact with the heart the engaged heart tissue bulges outward. A method of surgery using the attachment includes providing a frame structure defining proximal and distal portions, the proximal portion being repositionably mountable to a base, supporting an attachment on the stabilizng member and engaging heart tissue with the attachment such that the tissue bulges outward to better present the tissue for surgery.
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