| 摘要 |
<p>PROSTHETIC VALVE DELIVERY SYSTEM INCLUDING RETROGRADEIANTEGRADE APPROACH A device for implanting an expandable heart valve prosthesis at a valve annulus in a patient's heart includes an implantation device configured to extend from a first opening in the patient's body, through the patient's aorta, through a valve annulus, through an opening in a ventricle, and to exit through the patient's thoracic region. The device further includes a port having a hemostasis valve for providing access through the patient's thoracic region and into the ventricle and at least two interchangeable modules configured for delivery using the implantation device.</p> |
