METHOD FOR PLASTY OF COMBINED ORAL CAVITY DEFECT Russian patent published in 2025 - IPC A61B17/24 A61F2/08 

FIELD: medicine.

SUBSTANCE: invention refers to medicine, namely to oncology. After the tumour is removed with a pre-marked resection of a half of the tongue and a side wall of oropharynx, skin of the anterolateral thigh is incised. Dermis fat flaps are mobilized and separated; a longitudinal incision of deep fascia of thigh is performed. Lateral traction of skin-fasciocutaneous flap is performed. Distal and proximal perforants of a descending branch of the circumflex artery are found. Muscular dissection is performed with separating perforating vessels along to a descending branch of the circumflex artery. That is followed by a fringing incision of a skin area of the flap according to the post-resection stencil. Fasciocutaneous anterolateral femoral flap is formed on two perforations: distal and proximal perforations of the descending branch of the circumflex artery. Further, a deep fascia is removed sharply on the blood flow between two perforations with leaving 1.5 cm of a superficial fascia surrounding the perforators. Flap is transferred onto the defect and laid in a projection of the resected fragment of tongue and oropharynx. Flap is fixed to root of tongue, oropharynx, mucous membrane of bottom of oral cavity and in remaining parts along perimeter with separate interrupted sutures. Flap pedicle is delivered to neck vessels. That is followed by an end-to-end anastomosis between the facial artery and the lateral artery enveloping the hip, between the two branches of the facial vein and the contaminant veins end-to-end. Microvascular anastomoses are formed between the donor and recipient vessels. Donor region and the neck wound are closed in layers.

EFFECT: method enables the simultaneous elimination of the combined oral cavity defect following the resection of a half of the tongue and the lateral oropharyngeal wall in the oncological patients, with restoring the shape and mobility of the remaining tongue.

1 cl, 6 dwg, 1 ex