Clinical Pilot-Study of ProEndoTecc Vascular Grafts as Superficial Femoral Artery Bypass / Interponate

Inclusion Criteria: * Female or male patient from 18 to 89 years of age * Superficial femoral artery occlusion from 5 to 40 cm in length (above the knee joint), * Patient must present with intermittent claudication, with resistance to medical therapy and exercise or critical ischemia, * Patient has Rutherford grade 3, 4, or 5 occlusive vascular disease, * Women of childbearing age must have negative pregnancy test prior to inclusion Exclusion Criteria: * Bleeding diathesis * Patient has known coagulation disorders including hypercoagulability * Presence of one or several previously placed endo-prosthesis or grafts in the diseased extremity (below iliacs) * Other than 6-8 mm diameter graft is needed. * Patients PAD state is in Fontaine Grade IV, Rutherford Grade 6 (Patient has active infection or pronounced necrosis in the region of graft placement) * Patient has an acute embolic arterial occlusion * Life-expectancy less than 6 month due to co-morbidity or other situation that would make the patient an unlikely candidate for follow-up visits * Patient had percutaneous transluminal angioplasty at the implant site within the previous 30 days * Participation in another clinical study less than 30 days prior to inclusion * Patient is in need of, or is scheduled for, a cardiac surgical procedure or a different vascular surgical procedure * Pregnant or breast feeding female patients * Multiple graft (implant) needed * Patients unable to understand the full meaning of the informed consent * Subjects who, in the opinion of the investigator, will be inappropriate for inclusion into this trial or will not comply with requirements of the study * Subjects who are imprisoned (according to MPG §20.3) * Patients who are lawfully kept in an institution * Participation in this trial at an earlier stage * Current participation in another clinical trial