Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2011-04-26
2011-04-26
Robert, Eduardo C (Department: 3733)
Surgery
Instruments
Orthopedic instrumentation
C606S054000, C606S304000, C606S323000
Reexamination Certificate
active
07931651
ABSTRACT:
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.
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Argenta Louis C.
Morykwas Michael J.
Webb Lawrence X.
Dann Dorfman Herrell & Skillman P.C.
Piper, Jr. Donald R.
Robert Eduardo C
Schneider Lynnsy
Wake Lake University Health Sciences
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