Patents Assigned to Pioneer Surgical Technology
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Patent number: 9492211Abstract: A bone plate system is provided that includes bone plates and bone anchor assemblies for being inserted into bone plate bores to secure the bone plates to one or more bones. In one aspect, the bone plate system includes a bone anchor assembly having a locking cap and a locking fastener connected to a head portion of a bone anchor. The bone anchor assembly is driven into a bone plate bore before the locking fastener is shifted to expand the locking cap and fix the bone anchor assembly within the bore. In another aspect, the bone plate system includes a bone anchor assembly having a locking cap that deflects radially inward due to contact with the bone plate at large bone anchor assembly insertion angles. In addition, a bone anchor assembly having a preassembled condition with a locking cap resisting back out of a locking fastener.Type: GrantFiled: July 8, 2013Date of Patent: November 15, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Scott J. Perrow, Brad Fredin
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Patent number: 9486248Abstract: Plate devices are provided for mounting to bone and receiving one or more spinal rods. The devices may include coupling members or rod receiving members coupled to the plate member and configured to have multiple degrees of adjustability in order to accommodate elongate connecting members of various orientations. The plate devices may also include quick locking features or locking devices that secure multiple points of articulation simultaneously.Type: GrantFiled: March 23, 2015Date of Patent: November 8, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Matthew P. Gephart, Phillip J. Berman
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Patent number: 9445916Abstract: Articulating devices for replacing damaged or degenerated weight bearing joints are provided. The devices may have two or more surfaces that articulate against one another that are coated or fully formed of PEEK or similar materials to provide improved wear capabilities while maintaining sufficient strength to operate in a weight bearing capacity.Type: GrantFiled: September 17, 2007Date of Patent: September 20, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Qi-Bin Bao, Tim Brown
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Patent number: 9408717Abstract: An expandable interbody device for implantation within an intervertebral space is provided, together with methods and tools for use therewith. The interbody devices include a leading first and trailing second bearing member configured to expand laterally via connecting portions disposed at the trailing end of the first being member and at least the leading end of the second bearing member. In some forms, the connecting portions have an arcuate configuration. The insertion tool is configured expand the interbody device by holding the first bearing member while shifting the second bearing member.Type: GrantFiled: October 8, 2014Date of Patent: August 9, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventor: Scott J. Perrow
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Patent number: 9393057Abstract: In accordance with one aspect, an instrument is provided that permits the precise delivery of bone fusion material, such as autograft or allograft material, to one or more bones during surgical procedures. In another aspect, a system and a method are also provided for percutaneous delivery of bone fusion material, such as morselized autograft or bone graft, in a minimally invasive approach through one or more relatively small incisions in a patient. In yet another aspect, an expansion device is provided having an internal compartment and being shiftable between an insertion configuration and an expanded configuration. Bone fusion material may be injected into the internal compartment of the expansion device and travel therealong for bonding to one or more bones approximate the expansion device.Type: GrantFiled: October 2, 2014Date of Patent: July 19, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Adam MacMillan, Richard Nussbaum
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Patent number: 9387092Abstract: An intervertebral implant for being implanted between adjacent vertebrae is provided. The implant includes a generally elongate implant body having a length extending between opposite longitudinal ends thereof, a superior face and an inferior face. The superior face and inferior face include cortical teeth adjacent to the implant body longitudinal ends. Additionally, the superior and inferior faces include longitudinally central teeth intermediate the cortical teeth and have bone engaging ends. The central teeth have a sharper configuration than that of the cortical teeth bone engaging ends for biting into the softer central bone material of the vertebrae. The cortical teeth are arranged in a first density per unit area and the central teeth are arranged in a second density per unit area that is less than the first density.Type: GrantFiled: June 9, 2015Date of Patent: July 12, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Daniel Ryan Mermuys, Scott J. Perrow, Steven A. Schopler
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Patent number: 9381044Abstract: A device for connecting two spinal rods is provided. In one form, the device includes two clamping devices for receiving and locking to spinal rods and a central bridge or plate member that couples the clamping devices. In one aspect, the clamping devices are unitary members with deflectable jaw portions that snap-fit and then locked by operation of actuators. In another aspect, one or both of the clamping devices are adjustably coupled to the central bridge or plate member to allow at least translation and pivoting or rotation of the clamping devices relative to a central axis of the elongate bridge member. The clamping devices may be coupled to the bridge or plate member with the same locking actuator that causes clamping of the clamp device so that the positions of the clamp device and the spinal rod are locked into place by manipulation of only a single locking actuator.Type: GrantFiled: September 10, 2012Date of Patent: July 5, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Daniel Rae Robinson, Matthew P. Gephart, John Sullivan
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Patent number: 9381046Abstract: Bone plate systems are provided for surgical implants and bone repair. The bone plate is multi-tiered for receiving bone anchors screws for securing a plurality of bones or bone fragments in a desired relationship. The plate members include throughbores for receiving a pivot base therein, with head ends of the bone anchors being secured in the pivot bases. The throughbores may permit and define a translation path for the pivot base and the bone anchor secured therein relative to the plate. Pivot members extending between the pivot base and the plate member facilitate pivoting and optional translation of the pivot base relative to the plate. With the bone anchor seated within the pivot base, an apparatus for inhibiting screw back out is employed.Type: GrantFiled: December 20, 2013Date of Patent: July 5, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Scott J. Perrow, Brad Fredin, Craig Filizetti
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Patent number: 9358319Abstract: Disclosed are cement products, methods of forming cement using the cement product, and methods of using the cement product in orthopedic and dental applications. Generally, the disclosed cement product includes a first component and a second component. The first component comprises a polymerizable resin comprising ethylenic unsaturated double bond, a suitable glycidyl group and/or a suitable isocyanate group. The second component includes a compound comprising more than one type of amine selected from the group consisting of primary amine, secondary amines, tertiary amines and quaternary amines. Alternatively, the second component includes a compound comprising a suitable mercapto (SH—) group, a hindered amine or a dimethylthiotoluenediamine (DMTDA). Optionally, the cement product includes a filler and/or a bioactive component to promote bone formation.Type: GrantFiled: August 15, 2014Date of Patent: June 7, 2016Assignee: Pioneer Surgical Technology, Inc.Inventors: Juchui Ray Lin, Edward S. Ahn, Brian M. Schlossberg
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Patent number: 9351852Abstract: An artificial disc device for replacing a damaged nucleus is disclosed. In one form, the device may be inserted in components such that the device may be assembled within and retained by the natural annulus therein. In another form, the device may be inserted into the natural annulus in a collapsed or compressed state or arrangement and then be expanded within and retained by the annulus therein. In a further form, the device may be provided with a releasable connection so that the device may be connected in an insertion configuration and may be released in an operable configuration. Insertion tools and methods are also disclosed.Type: GrantFiled: August 14, 2012Date of Patent: May 31, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Qi-Bin Boa, Jeffrey L. Trudeau, Brian Patrick Janowski, Matthew N. Songer, Hansen A. Yuan, Thomas S. Kilpela, Gregory Berrevoets
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Patent number: 9333021Abstract: A bone plate system for securing a plurality of bones is provided including a plate member, a locking device of the bone plate, and a surgical cable having a trailing end for being connected to the bone plate and a leading end for being advanced around the bones and into the locking device. The surgical cable may be tensioned to approximate the bones, urge the bones together, and seat the bone plate against the bones. The locking device may be reconfigured to a locked configuration to fix the bone plate to the surgical cable. The bone plate further includes a plurality of throughbores for receiving bone anchors that rigidly fix the bone plate to the bones. The bone plate system utilizes the tensile strength of the surgical cable and the rigid fixation between the bone anchors and the bone plate to resist relative movement of the bones.Type: GrantFiled: April 2, 2015Date of Patent: May 10, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventor: Matthew P. Gephart
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Patent number: 9265543Abstract: In one aspect, a bone plate system is provided including a bone plate and a plurality of cable connector devices configured to be inserted into throughbores formed in bone portions and through openings of the bone plate member aligned therewith. The cable connector devices each include opposite end portions with one end portion configured to abut against the bone adjacent the throughbore and the other end portion configured to be operatively fixed to the bone plate member with the cable portion extending therebetween and in the bone throughbore for securing the bone plate member to the bone portion with the cable connector devices including a cable portion thereof extending in the bone throughbore.Type: GrantFiled: December 27, 2012Date of Patent: February 23, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventor: Matthew P. Gephart
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Patent number: 9241807Abstract: An insertion device is provided for inserting a spinal device such as an intervertebral implant within a spinal joint. The implant includes at least first and second members, with the first having a convex articulation surface and the second member having a concave articulation surface. The two articulation surfaces provide an articulation interface to substantially mimic natural kinetic motion of the spine. The insertion device can be attached to at least one of the first and second members. In one form, the insertion device is configured such that the first and second members are movable relative to one another while being held to allow the members to form a compact wedge configuration. The insertion device is configured to actively pivot the implant about the implant gripping end of the device and to allow manipulation and release of the implant members in any pivoted orientation from approximately 0 to 90 degrees.Type: GrantFiled: December 21, 2012Date of Patent: January 26, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Joseph Mohar, Jeffrey L. Trudeau
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Patent number: 9233011Abstract: Systems and tools for inserting and securing an implant within the intervertebral space. An intervertebral disc implant with upper and lower bearing members with an articulation interface between the members for providing relative motion therebetween. The implant may be provided with various securing members for fixing the implant within the intervertebral space. A tool may be used to insert the implant, which includes a plurality of shiftable implant engaging members that are shiftable between non-engaging and engaging configurations to alternatively release or hold the implant.Type: GrantFiled: May 5, 2014Date of Patent: January 12, 2016Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Jeffrey L. Trudeau, Brian Patrick Janowski, Thomas Kilpela, Michael R. Jackson, Qi-Bin Bao
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Patent number: 9220606Abstract: An implant device is provided for implantation within an intervertebral space between adjacent vertebrae comprising an implant body, a rotatable portion and a piercing portion configured to pierce the adjacent vertebra.Type: GrantFiled: September 23, 2013Date of Patent: December 29, 2015Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Brian P. Janowski, John P. Sullivan
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Patent number: 9216042Abstract: An articulated fixation device is provided having a high degree of adjustability for securing a plate member thereof to a skull and at least one spinal rod thereof to a vertebral bone. In one form, an adjustable bridge member is provided that is adjustably connected to both the plate member and the spinal rod. The adjustable connections can include an upper and rearward pivot connection between the plate member and the bridge member and a lower and forward pivot connection between the spinal rod and the bridge member.Type: GrantFiled: December 10, 2012Date of Patent: December 22, 2015Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Gregory Berrevoets, Frankie Morris, Frederick E. Finger
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Patent number: 9216047Abstract: A cable tensioning apparatus and method are provided for positioning and tensioning a surgical cable to skeletal tissue or to implants. The invention is most applicable for securing surgical cable and/or orthopedic implants to bone in orthopedic surgery. A linearly translated drive rod attached to cable is driven by a friction drive to create tension on the surgical cable.Type: GrantFiled: August 29, 2012Date of Patent: December 22, 2015Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Mark A. Bryant, Richard A. Lane
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Patent number: 9216098Abstract: A method and apparatus for making a size measurement within an intervertebral space by placing an expandable and contractible device into the intervertebral space, expanding the device, measuring a size characteristic of the space, contracting the device and then removing it. The measurement may be accomplished by an external x-ray or other imaging device imaging the expanded device in situ or by mechanically operated devices. An expansion and contraction mechanism such as fluid containing bladder or mechanically shifted members expands the device which later contracts in a controlled manner to the contracted size. An apparatus and method is provided for the measuring of the intervertebral space at a controlled distraction force. The apparatus includes an expandable device for providing a measurement within the intervertebral space and facilitating the measurement of the angulations of the lordotic curve of the intervertebral space.Type: GrantFiled: February 10, 2009Date of Patent: December 22, 2015Assignee: PIONEER SURGICAL TECHNOLOGY, INC.Inventors: Jeffrey L. Trudeau, Thomas S. Kilpela, Qi-Bin Bao, Weston Pernsteiner
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Patent number: 9204898Abstract: A coupling device for securing an elongate member to the spine is provided. The coupling device comprises a compressible inner member that secures an anchor member therein when the inner member is axially shifted within an outer member. The elongate member is retained within the device by an axially inserted locking member, and may be secured independently of the anchor member. The coupling device and anchor may be configured to provide increased angulation of the anchor with respect to the coupling device. For instance, anchor member may have an offset head portion in order to provide normal pivoting of the coupling device when the anchor is attached to bone at an angle.Type: GrantFiled: August 12, 2013Date of Patent: December 8, 2015Assignee: Pioneer Surgical Technology, Inc.Inventor: Matthew P. Gephart
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Patent number: 9198769Abstract: In one aspect, a bone anchor assembly is provided having a bone anchor with a head, a resilient locking cap extending about a portion of the bone anchor head, and a cap drive member having a depending annular wall. The annular wall and locking cap have engagement surfaces configured to engage and expand the locking cap as the cap drive member is shifted from an unlocked to a locked position. In another form, a bone plate system is provided including a bone plate having an elongated throughbore and a resilient support member received therein. The support member has an opening sized to receive a bone anchor head and an actuator device carried thereon. The bone plate and support member have interfering portions configured to be shifted to a locked orientation to lock the support member and the bone anchor head at an axial position in the throughbore.Type: GrantFiled: December 21, 2012Date of Patent: December 1, 2015Assignee: Pioneer Surgical Technology, Inc.Inventors: Scott J. Perrow, Reuben J. Robie