METHOD FOR ENDOVASCULAR IMPLANTATION OF AUTOVENOUS TRANSPLANT Russian patent published in 2018 - IPC A61B17/00 

FIELD: medicine.

SUBSTANCE: invention relates to the field of medicine, in particular to vascular and X-ray endovascular surgery. In the method, an at least 11F contralaterally proximal introducer is installed in the femoral artery which is followed by recanalization, conducting a guidewire through the affected area of the artery of the lower limb into its distal segments. Next, the angioplasty of the affected artery is performed using a bulb corresponding to the diameter of the artery. After this, a tibia or popliteal artery is punctured retrogradely using the marks of the previously inserted guidewire for the installation of a 4-5F distal introducer and using the loop of a retriever, the distal tip of the guidewire is captured and withdrawn through the proximal introducer to the femur. Then, the loop of the retriever is loosened, and an autovenous transplant with a peripheral self-expanding stent inserted into it halfway is attached to the guidewire. Then, this single arrangement of the retriever loop and the guidewire with the attached autovenous transplant with the peripheral self-expanding stent is inserted into the implantation zone of the affected segment of the artery. After that, the peripheral self-expanding stent is implanted, while it exits from the autovenous implant into the native artery to at least 1/3 of the length, while the proximal end of the autovenous implant is being attached. Further, post-deletion of the self-expanding stent and autovenous implant is performed with a bulb of 4–5 mm, and the need for stenting the distal end of the autovenous implant is evaluated angiographically.

EFFECT: method allows to reduce the risk of postoperative complications, to restore and maintain the patency of the segment, and to reduce the traumatism of the surgery due to minimal invasion.

1 cl, 2 ex