| 摘要 |
1,184,246. Cardiac prosthesis. RHONE POULENC S.A. 5 Sept., 1967 [5 Sept., 1966; 28 July, 1967], No. 40556/67. Heading A5R. A prosthesis adapted to be surgically implanted so as to be placed around the heart and intended for use in cardiac assistance, comprises an open-topped double-walled pocket 20, the inner wall being flexible and elastic and having the form of a human heart in diastole, the outer wall being flexible and substantially inextensible, the space between the two walls consisting of at least one bladder 23, 25, adapted to be filled with fluid and to be placed in communication with a pulsation generator whereby artificial massage of the heart may be effected. The open end of the prosthesis may be provided with a hem for a lace to tighten the open space around the heart. The walls are preferably made of a polysiloxane elastomer. A drain pipe 31 is provided at the bottom. |
