Spampinato N, Iorio D
Ann Thorac Surg. 1981 May;31(5):478-9. doi: 10.1016/s0003-4975(10)61005-3.
A simple device created to prevent the entanglement of sutures with the struts of a bioprosthesis in the mitral position is presented. The technique appears to be effective, safe for the valve cusps, and easy to employ.