| abstract |
Dilation restrictor apparatus for use in conjunction with prosthetic vascular grafts, including venous valve grafts made from preserved bioprosthetic venous valves. The dilation restrictors limit the extent to which a blood vessel may dilate adjacent to a point whereat a cut end of the blood vessel has been anastomosed to an implant graft. Also disclosed is a related method of anastomosing the prosthetic graft to an existing vein segment of a patient. |