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An external fixation assembly includes a plurality of hollow pins that are inserted into a patient's bone. Each pin has an interior bore and a plurality of apertures extending through the pin wall from the bore. The pin may be coupled to a source of vacuum pressure operable to create reduced pressure in the tissue surrounding the pin.
A cover is placed around the pin and sealed to provide a fluid-tight enclosure that maintains reduced pressure around the pin.
A method for applying external fixation using the fixator pins described above includes the steps of inserting each pin through a skin opening, positioning the pin apertures near selected tissue, covering the skin opening with a sealed enclosure, connecting the pins to a source of vacuum pressure, and activating the source of vacuum pressure to create reduced pressure in the patient's tissue at or near the bone.
Provisional Application No. The present invention relates to external fixation, and particularly to fixator pins and devices used in treating bone fractures and deformities with the use of sub-atmospheric pressure. External fixation is a common technique used to treat a variety of conditions, including bone fractures, dislocations, and deformities. Although different techniques are used, external fixation generally involves the use of threaded fixator pins that are screwed into bone.