Microsurgery is a surgical technique in which a microscope or high-powered magnifying tool is used to provide precision during complex operations on small vessels and nerves. During procedures on the breast and hand, particularly those involving free tissue transfer, replantation or transplantation, microsurgery is used to anastomose, or connect, blood vessels, veins and nerves.
Free tissue transfer is used in a number of reconstructive procedures, including breast reconstruction, and involves transferring of tissue grafts called flaps, along with their blood supply, to the wound site. During free tissue transfers, blood vessels and veins are reconnected to the graft recipient site, an innovative procedure that is possible thanks to microsurgery. The flap itself consists of fat, skin, blood vessels and muscles, and serves as the tissue used to recreate the breast mound.
Replantation is conducted during hand surgery to reattach an amputated finger or other body part, also using microsurgery to anastomose veins, vessels and nerves. Tendons and bones are reconnected using other techniques. When an amputated finger cannot be reattached, transplantation is conducted using microsurgery to transplant tissue from other parts of the patient’s body.