Patents by Inventor Francis Korhonen
Francis Korhonen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10966772Abstract: Various forms of a cable fixation device, instrumentation, kit, and methods useful for repairing the skeletal system are introduced. The system utilizes a clamp housing fixing a head end of a surgical cable therein. In an operative configuration the cable is looped around a damaged bone segment and reentered through a lock aperture in the clamp housing then through a multi-part collet and lock cap residing within a lock aperture. The cable loop and each aforementioned component comprise a central axis aligned within a single plane. A sliding interface situated between the lock cap and collet prevent twisting of the surgical cable. The locking mechanism is non-destructive to the cable despite repeated unlocking and relocking of the fixation device. The axis for tensioning of the cable is coincident with the locking axis. A cerclage inserter instrument is disclosed.Type: GrantFiled: March 2, 2019Date of Patent: April 6, 2021Assignee: J.M. LONGYEAR MANUFACTURING LLCInventors: Matthew Songer, Francis Korhonen, Jeffrey Mosteller, Wesley Leland Hanna, Branden Wainio, Jeffrey Vlahos, Jason Sandstrom, Robert Kinney
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Publication number: 20190209225Abstract: Various forms of a cable fixation device, instrumentation, kit, and methods useful for repairing the skeletal system are introduced. The system utilizes a clamp housing fixing a head end of a surgical cable therein. In an operative configuration the cable is looped around a damaged bone segment and reentered through a lock aperture in the clamp housing then through a multi-part collet and lock cap residing within a lock aperture. The cable loop and each aforementioned component comprise a central axis aligned within a single plane. A sliding interface situated between the lock cap and collet prevent twisting of the surgical cable. The locking mechanism is non-destructive to the cable despite repeated unlocking and relocking of the fixation device. The axis for tensioning of the cable is coincident with the locking axis. A cerclage inserter instrument is disclosed.Type: ApplicationFiled: March 2, 2019Publication date: July 11, 2019Applicant: J.M. Longyear Manufacturing LLCInventors: Matthew Songer, Francis Korhonen, Jeffrey Mosteller, Wesley Leland Hanna, Branden Wainio, Jeffrey Vlahos, Jason Sandstrom, Robert Kinney
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Patent number: 10258400Abstract: Various forms of a cable fixation device, instrumentation, kit, and methods useful for repairing the skeletal system are introduced. The system utilizes a clamp housing fixing a head end of a surgical cable therein. In an operative configuration the cable is looped around a damaged bone segment and reentered through a lock aperture in the clamp housing then through a multi-part collet and lock cap residing within a lock aperture. The cable loop and each aforementioned component comprise a central axis aligned within a single plane. A sliding interface situated between the lock cap and collet prevent twisting of the surgical cable. The locking mechanism is non-destructive to the cable despite repeated unlocking and relocking of the fixation device. The axis for tensioning of the cable is coincident with the locking axis. A cerclage inserter instrument is disclosed.Type: GrantFiled: July 14, 2016Date of Patent: April 16, 2019Assignee: J. M. LONGYEAR MANUFACTURING LLCInventors: Matthew Songer, Francis Korhonen, Jeffrey Mosteller, Wesley Leland Hanna, Branden Wainio, Jeffrey Vlahos, Jason Sandstrom, Robert Kinney
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Publication number: 20170128114Abstract: Various forms of a cable fixation device, instrumentation, kit, and methods useful for repairing the skeletal system are introduced. The system utilizes a clamp housing fixing a head end of a surgical cable therein. In an operative configuration the cable is looped around a damaged bone segment and reentered through a lock aperture in the clamp housing then through a multi-part collet and lock cap residing within a lock aperture. The cable loop and each aforementioned component comprise a central axis aligned within a single plane. A sliding interface situated between the lock cap and collet prevent twisting of the surgical cable. The locking mechanism is non-destructive to the cable despite repeated unlocking and relocking of the fixation device. The axis for tensioning of the cable is coincident with the locking axis. A cerclage inserter instrument is disclosed.Type: ApplicationFiled: July 14, 2016Publication date: May 11, 2017Inventors: Matthew Songer, Francis Korhonen, Jeffrey Mosteller, Wesley Leland Hanna, Branden Wainio, Jeffrey Vlahos, Jason Sandstrom, Robert Kinney
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Publication number: 20160249964Abstract: A screw device for compressing and fixing together a proximal and distal bone part along a surgical axis comprising: a bone screw portion comprising an elongate body inscribed with bone screw threads at a leading end of an outer surface of said body; an elongate tubular torque stabilizer portion for spanning said bone parts and comprising one or more torsion stops to engage each bone part to limit rotational movement between the bone parts and a translation stop on said torque stabilizer to seat against a portion of the proximal bone to limit translation of said torque stabilizer portion along the surgical axis; and a compressor lock portion engaging the bone screw portion and torque stabilizer portion to draw said bone screw portion proximally along the surgical axis toward said translation stop therein compressing said bone parts together.Type: ApplicationFiled: May 11, 2016Publication date: September 1, 2016Inventors: Matthew Songer, Jason Sandstrom, Francis Korhonen
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Patent number: 9345522Abstract: A screw device for compressing and fixing together a proximal and distal bone part along a surgical axis comprising: a bone screw portion comprising an elongate body inscribed with bone screw threads at a leading end of an outer surface of said body; an elongate tubular torque stabilizer portion for spanning said bone parts and comprising one or more torsion stops to engage each bone part to limit rotational movement between the bone parts and a translation stop on said torque stabilizer to seat against a portion of the proximal bone to limit translation of said torque stabilizer portion along the surgical axis; and a compressor lock portion engaging the bone screw portion and torque stabilizer portion to draw said bone screw portion proximally along the surgical axis toward said translation stop therein compressing said one parts together.Type: GrantFiled: May 22, 2013Date of Patent: May 24, 2016Inventors: Matthew Songer, Jason Sandstrom, Francis Korhonen
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Publication number: 20130317503Abstract: A screw device for compressing and fixing together a proximal and distal bone part along a surgical axis comprising: a bone screw portion comprising an elongate body inscribed with bone screw threads at a leading end of an outer surface of said body; an elongate tubular torque stabilizer portion for spanning said bone parts and comprising one or more torsion stops to engage each bone part to limit rotational movement between the bone parts and a translation stop on said torque stabilizer to seat against a portion of the proximal bone to limit translation of said torque stabilizer portion along the surgical axis; and a compressor lock portion engaging the bone screw portion and torque stabilizer portion to draw said bone screw portion proximally along the surgical axis toward said translation stop therein compressing said one parts together.Type: ApplicationFiled: May 22, 2013Publication date: November 28, 2013Inventors: Matthew Songer, Jason Sandstrom, Francis Korhonen
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Patent number: 7909859Abstract: Bone plate systems and retainers are provided for surgical implants and bone repair. The bone plate is multi-tiered for receiving bone anchors or screws for securing multiple bones or bone fragments in a desired relationship. The plate includes bores for receiving the screws, and the bores may permit and define a translation path for the screws relative to the plate. The retainers are held in a recess in the bores to prevent screw back-out. Once the screw is seated with the plate, the retainer rests over a top surface of the screw to impede screw back-out from the plate. The retainer may expand to permit driving a screw therethrough and may contract once the screw is seated within the plate so the retainer is in a configuration for preventing back-out. Tools and methods are also provided for implantation and removal of the plates and the screws.Type: GrantFiled: October 26, 2005Date of Patent: March 22, 2011Assignee: Pioneer Surgical Technology, Inc.Inventors: Lawrence Mosca, Matthew Peter Gephart, Brian Janowski, Brad Fredin, Francis Korhonen, Matthew N. Songer
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Patent number: 7740649Abstract: Bone plate systems and anchor retainers are provided for use in surgical implants and bone repair. In a preferred form, the bone plate may include bores for receiving the bone anchors, and the bores may permit and define a path of translation or shifting of the bone anchors relative to the bone plate. The anchor retainers may be held in the bores to prevent back-out of the bone anchors. Once the anchor member is seated within the bone plate, the retainer may rest over a top surface of the anchor member so the anchor member is impeded from backing out of the bone plate. The retainer may expand or change shape to permit an anchor member to be driven through the retainer and may contract once an anchor member has been seated within the plate. In addition, a tool for insertion or extraction of the bone anchors is provided.Type: GrantFiled: October 26, 2004Date of Patent: June 22, 2010Assignee: Pioneer Surgical Technology, Inc.Inventors: Lawrence Mosca, Matthew Peter Gephart, Brian Janowski, Brad Fredin, Francis Korhonen, Matthew N. Songer
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Publication number: 20070055235Abstract: A spinal fixation system is provided that, in one form, includes a coupling member having a cam lock member that is fixed against translation therealong as it is turned with turning of the cam lock member causing an elongate member such as a spinal rod to be pushed downward in the coupling member for fixing the rod therein. In another aspect, the rod is fixed against a low profile insert that seats in a recess formed in the head of an anchor member projecting from the coupling member. The insert has an upper surface against which the rod is fixed and that in one form is flat to provide for line contact against the rod so as to minimize damage thereto. In another form, the cam lock member cams against a clamping member driving it downward in the coupling member for fixing the rod therein.Type: ApplicationFiled: February 5, 2004Publication date: March 8, 2007Applicant: Pioneer Laboratories, Inc.Inventors: Brian Janowski, Francis Korhonen, Thomas Kilpela, Gregory Berrevoets
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Publication number: 20060161157Abstract: Bone plate systems and retainers are provided for surgical implants and bone repair. The bone plate is multi-tiered for receiving bone anchors or screws for securing multiple bones or bone fragments in a desired relationship. The plate includes bores for receiving the screws, and the bores may permit and define a translation path for the screws relative to the plate. The retainers are held in a recess in the bores to prevent screw back-out. Once the screw is seated with the plate, the retainer rests over a top surface of the screw to impede screw back-out from the plate. The retainer may expand to permit driving a screw therethrough and may contract once the screw is seated within the plate so the retainer is in a configuration for preventing back-out. Tools and methods are also provided for implantation and removal of the plates and the screws.Type: ApplicationFiled: October 26, 2005Publication date: July 20, 2006Inventors: Lawrence Mosca, Matthew Gephart, Brian Janowski, Brad Fredin, Francis Korhonen, Matthew Songer
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Publication number: 20050192577Abstract: Bone plate systems and anchor retainers are provided for use in surgical implants and bone repair. In a preferred form, the bone plate defines a multi-tier member for receiving bone anchors for securing multiple bones or bone fragments in a desired relationship. The bone plate may include bores for receiving the bone anchors, and the bores may permit and define a path of translation or shifting of the bone anchors relative to the bone plate. The anchor retainers may be held in the bores to prevent back-out of the bone anchors. The retainers may be held in a recess in an interior portion of the bore. Once the anchor member is seated within the bone plate, the retainer may rest over a top surface of the anchor member so the anchor member is impeded from backing out of the bone plate.Type: ApplicationFiled: October 26, 2004Publication date: September 1, 2005Inventors: Lawrence Mosca, Matthew Peter Gephart, Brian Janowski, Brad Fredin, Francis Korhonen, Matthew Songer