A diagram is shown below. Diagram of the blood supply to the free transverse rectus abdominis myocutaneous (TRAM) flap. Note that the deep inferior epigastric vessels supply the flap, the primary blood supply to the lower abdomen. diagram is shown below. Diagram of the blood supply to the free transverse rectus abdominis myocutaneous (TRAM) flap. Note that the deep inferior epigastric vessels supply the flap, the primary blood supply to the lower abdomen.
But on the flip side, both types of surgery for trigger finger are relatively simple procedures that can usually be done on an outpatient basis. There are two main types of trigger finger or thumb surgery: open and percutaneous. Both of these procedures involve the doctor âreleasing,â or splitting the A1 pulley through which the tendon is having trouble passing. The difference between these trigger finger surgeries is how the doctor goes about doing so.
Trigger finger or thumb. Trigger finger is a condition that affects the tendons in the hand. When the affected finger or thumb is bent towards the palm, the tendon gets stuck and the finger clicks or locks. The exact cause is not known.