The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 09, 2015

Filed:

May. 17, 2013
Applicant:

Wake Forest University Health Sciences, Winston-Salem, NC (US);

Inventors:

Lawrence X Webb, Macon, GA (US);

Louis C Argenta, Winston-Salem, NC (US);

Michael J Morykwas, Winston-Salem, NC (US);

Assignee:

WAKE FOREST UNIVERSITY HEALTH SCIENCES, Winston-Salem, NC (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 5/04 (2006.01); A61B 17/60 (2006.01); A61B 17/66 (2006.01); A61B 17/86 (2006.01); A61B 17/00 (2006.01);
U.S. Cl.
CPC ...
A61B 17/60 (2013.01); A61B 17/66 (2013.01); A61B 17/864 (2013.01); A61B 17/866 (2013.01); A61B 17/8685 (2013.01); A61B 2017/00544 (2013.01);
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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