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A rotation flap is a semicircular skin flap that is rotated into the defect on a fulcrum point. Rotation flaps provide the ability to mobilize large areas of tissue with a wide vascular base for reconstruction. The flap must be adequately large, and a large base is necessary if a back-cut will be needed to lengthen the flap.
Fowler flap diagram. The Fowler flap combines a translation and a rotation. The flap splits and slides backwards, then rotates down creating one or more slots. These movements increase the wing's curvature which increases cord and camber. [3] The high-lift Fowler flap is located on the trailing edge of an airplane wing which increases wing area ...
The longitudinal axis passes through the aircraft from nose to tail. Rotation about this axis is called roll. [3] The angular displacement about this axis is called bank. [4] The pilot changes bank angle by increasing the lift on one wing and decreasing it on the other. This differential lift causes rotation around the longitudinal axis.
The subgroup of pedicled perforator flaps, transferred in the defect by rotation is the so-called "propeller flap". Confusion concerning definition, nomenclature and classification of propeller flaps led to a consensus meeting similar to the "gent consensus meeting”. The consensus that was reached is named "the tokyo consensus".
The position of all three axes, with the right-hand rule for describing the angle of its rotations. An aircraft in flight is free to rotate in three dimensions: yaw, nose left or right about an axis running up and down; pitch, nose up or down about an axis running from wing to wing; and roll, rotation about an axis running from nose to tail.
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A forehead is called short when it is shorter than 4.5 cm. When using the forehead flap on a short forehead, there are multiple ways to get the length that is needed. [1] [3] First, the turning point of the flap can be moved down, so that the base of the flap is closer to the nasal defect and a shorter flap can be used to reach the nasal defect ...
The length and angle of each flap are usually the same to avoid mismatched flaps that may be difficult to close. Some possible complications of Z-plasty include flap necrosis, haematoma (blood clot) formation under the flaps, wound infection, trapdoor effect and sloughing (necrosis) of the flap caused by wound tension and inadequate blood supply.