| 摘要 |
An inner part 1 is placed in the cardiac cavity, an outer part 2 is placed outside the cardiac wall, the two parts 1, 2 each being fitted with means 5, 8 for attachment to the cardiac wall. The inner part 1 carries means 13 for guiding and fastening the outer part 2. A tube 4, corresponding to the orifice in the cardiac wall, is used as a support for an outer tube. <IMAGE> |
