Patents by Inventor Steven W. Ek

Steven W. Ek 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).

  • Patent number: 11160663
    Abstract: A multicomponent implant system includes a multicomponent implant comprising a base plate and a load plate. The base plate includes a bone facing surface and a base plate interface surface. The load plate includes a load plate interface surface and a load bearing surface, the load bearing surface being substantially parallel to the load plate interface surface and having a contour substantially corresponding to a contour of a removed portion of the articular surface. Both the load plate interface surface and base plate interface surface have a contour substantially corresponding to the contour of the load bearing surface. The load plate is configured to be advanced in an arcuate direction to slidably couple the load plate to the base plate after the base plate has been secured within the first excision site by an anchor.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: November 2, 2021
    Assignee: ARTHROSURFACE INCORPORATED
    Inventor: Steven W. Ek
  • Publication number: 20210322033
    Abstract: A system for replacing a portion of an articular surface including providing an implant site and installing an implant into the implant site. The implant site includes a first and a second excision site which at least partially intersect with one another. Each of the first and second excision sites are formed by providing a respective axis and excising a portion of the articular surface relative to the respective axes.
    Type: Application
    Filed: May 3, 2021
    Publication date: October 21, 2021
    Inventor: Steven W. Ek
  • Patent number: 11083587
    Abstract: An implant assembly comprising an implant having a load bearing surface with a contour corresponding to a patient's articular surface, and a bone facing surface including a fixation element, an anchor configured to be secured to bone beneath said patient's articular surface, said anchor including a second fixation element, and wherein said first fixation element is configured to be secured to said second fixation element.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: August 10, 2021
    Assignee: ARTHROSURFACE INCORPORATED
    Inventors: George Sikora, Steven W. Ek
  • Publication number: 20210228370
    Abstract: A shoulder implant system comprising a glenoid implant; a baseplate comprising an implant facing surface to face the glenoid implant; wherein the glenoid implant comprises at least one fixation element configured to engage with at least one fixation element of the baseplate; wherein the at least one fixation element of the glenoid implant comprises a center post having a distal end; wherein the at least one fixation element of the baseplate comprises a center post receptacle; wherein the baseplate comprises an outer periphery; wherein the implant facing surface of the baseplate comprises a channel which extends from the outer periphery of the baseplate to the center post receptacle of the baseplate; and wherein the channel is configured such that, during an assembly of the glenoid implant and the baseplate, the distal end of the post is movable in the channel from the outer periphery of the baseplate to the center post receptacle of the baseplate.
    Type: Application
    Filed: January 29, 2021
    Publication date: July 29, 2021
    Inventors: Steven W. Ek, Daniel Adam Leduc, William B. Murphy, Timothy H. Brightman
  • Publication number: 20210145483
    Abstract: A suture system including a suture construct having a first reduction construct configured to be selectively arranged in an expanded state and a reduced state. The first reduction construct includes a first locking limb, a first contractible loop, and a first opposed loop disposed generally opposite to the first contractible loop, wherein reduction of the first opposed loop contracts the first contractible loop from the expanded state into the reduced state and secures the suture construct in the reduced state. The suture construct may also include a second reduction construct. Optionally, the suture system includes a first and a second pusher tube defining a first and a second lumen, respectively, wherein each pusher tubes are advanced over portions of opposed loops, respectively, and wherein distal portions of opposed loops extend beyond the pusher tubes, respectively.
    Type: Application
    Filed: June 30, 2020
    Publication date: May 20, 2021
    Inventors: George Sikora, Steven W. Ek
  • Patent number: 10959740
    Abstract: A retrograde resection apparatus may include a cutting blade including a slot defined in the cutting blade, a recess defined in at least a portion of the slot, a screw, including a proximal end and a distal end defining a bore therethrough, a shaft having a distal end and a proximal end, wherein the shaft passes through the bore and the distal end is configured to be received in the recess, and a biasing device configured to bias the shaft against the cutting blade. In addition, the apparatus may include a tether, a first portion of which is affixed to the cutting blade and a second portion of which passes through the bore.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: March 30, 2021
    Assignee: Arthrosurface Incorporated
    Inventors: George Sikora, Timothy Brightman, Steven W. Ek
  • Patent number: 10945743
    Abstract: The present disclosure provides systems and methods for repairing a defect on a portion of an articular surface of a human body, particularly of the glenoid. More particularly, the present disclosure provides systems and methods for repairing both a glenoid cavity and a glenoid rim of the glenoid using a single implant.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: March 16, 2021
    Assignee: Arthrosurface Incorporated
    Inventors: George Sikora, Steven W. Ek, Nikhil T. Jawrani
  • Publication number: 20210038395
    Abstract: A system for repairing a defect on an articular surface of a patient's trochlear region, the system comprising a guide block comprising a body having an exterior surface configured to engage with the saddle portion and ridge portions of the patient's trochlear region, a protrusion extending generally from the body and configured to be received in a first bore formed in the articular surface along a reference axis, and a first cavity extending through the body configured to establish a first working axis displaced from the reference axis, wherein the exterior surface of the body and the protrusion are configured to secure the location of the guide block about the patient's trochlear region.
    Type: Application
    Filed: April 21, 2020
    Publication date: February 11, 2021
    Inventors: Steven W. Ek, George Sikora
  • Publication number: 20210038398
    Abstract: An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a guide configured to be coupled generally perpendicular to the first bone proximate to the defect. The guide includes a body portion defining a plurality of excision passageways. The excision passageways each define a generally cylindrical core pathway configured to extend generally perpendicular to the first bone which partially overlaps with an adjacent generally cylindrical core pathway. A projection associated with each of the plurality of the generally cylindrical core pathways defines a truncated cylindrical excision site extending through a portion of the articular surface. Each truncated cylindrical excision site partially overlaps with at least one adjacent truncated cylindrical excision site.
    Type: Application
    Filed: April 21, 2020
    Publication date: February 11, 2021
    Inventors: George Sikora, Steven W. Ek
  • Publication number: 20210030549
    Abstract: A total joint replacement system comprising a first and a second implant system. The first implant system includes a first implant having a first load bearing surface based on a first removed portion of an articular surface of a patient's first bone, and a first anchor having a first threaded region configured to be secured into the first bone, wherein the first anchor is configured to be secured to the first implant. The second implant system includes a second implant having a second load bearing surface based on a second removed portion of an articular surface of a patient's second bone, and a second anchor having a second threaded region configured to be secured into the second bone, wherein the second anchor is configured to be secured to the second implant.
    Type: Application
    Filed: April 21, 2020
    Publication date: February 4, 2021
    Inventors: Steven W. Ek, Steven E. Ek, Nikhil T. Jawrani
  • Publication number: 20210030550
    Abstract: A joint replacement system for repairing an articular surface of a first bone of a joint includes an anchor portion and an implant portion. The anchor portion includes an anchor to be secured to the bone, and an anchor fixation head including a bone-facing surface (BFS) extending radially outward from the anchor and an implant facing surface (IFS) extending from a periphery of the BFS. The implant portion is formed from a material (e.g., CoCr) more dense than the material of the anchor portion (e.g., Ti) and includes a fixation cavity to receive at least a portion of the anchor fixation head (AFH), the fixation cavity includes an anchor facing surface (AFS) configured to form a frictional connection with the IFS, and a load bearing surface having a contour for articulating against a cooperating articulating surface of a second bone of the joint.
    Type: Application
    Filed: April 21, 2020
    Publication date: February 4, 2021
    Inventors: Steven W. Ek, Anthony Miniaci, Timothy Brightman
  • Publication number: 20210022877
    Abstract: A medical device includes an implant anchor comprising first and second opposing end portions. The implant anchor may also include a fixation element to configured to couple the implant anchor to an implant, and an anchor element configured to couple the implant anchor to bone. At least a portion of the implant anchor has a porous structure.
    Type: Application
    Filed: March 3, 2020
    Publication date: January 28, 2021
    Inventor: Steven W. Ek
  • Publication number: 20200323544
    Abstract: The present disclosure relates to a system and method for repairing an articular surface. A guide pin may be secured to an articular surface of a glenoid, wherein the guide pin defines a working axis and the working axis is positioned at an angle ? relative to the articular surface, wherein angle ? is less than or equal to 90 degrees. An excision device may be advanced over the guide pin, wherein the excision device includes a cannulated shaft and at least one cutter, wherein the at least one cutter is generally aligned in a single plane. A generally hemi-spherical excision site may be formed with the excision device within the articular surface of the glenoid.
    Type: Application
    Filed: November 19, 2019
    Publication date: October 15, 2020
    Inventors: George Sikora, Steven W. Ek
  • Publication number: 20200289275
    Abstract: One embodiment of the present disclosure provides a humeral implant. The humeral implant includes a tray including a body defining a bone facing recess and a liner recess, said bone facing recess including a ring surface and a convex surface, wherein the ring surface has a profile substantially corresponding to a profile of an outer ring of bone in an excision site of a patient; and wherein said convex surface has a profile substantially corresponding to a profile of a concave socket formed in the excision site. The humeral implant also includes a liner including a body defining a load bearing surface and a tray interface surface, said tray interface surface being configured to be at least partially received in said liner recess of said tray such that said implant is coupled to said tray.
    Type: Application
    Filed: March 12, 2020
    Publication date: September 17, 2020
    Inventors: Anthony MINIACI, Steven W. EK, Wiliam B. MURPHY, Timothy H. BRIGHTMAN
  • Publication number: 20200275960
    Abstract: A fixation system for coupling a first and a second portion of bone together. The fixation system includes a first fixation element, a second fixation element, and an interconnect. The first fixation element includes an external surface configured to engage the first portion of bone and a first tapered mating surface. The second fixation element includes an external surface configured to engage the second portion of bone and a second tapered mating surface. The interconnect includes a first and a second tapered surface disposed at generally opposite ends. The first and the second tapered surfaces are configured to frictionally engage the first and the second tapered mating surfaces of the first and the second element, respectively, to form frictional interference connections therebetween.
    Type: Application
    Filed: May 19, 2020
    Publication date: September 3, 2020
    Inventors: Steven W. Ek, George Sikora, S. Brent Brotzman
  • Patent number: 10695096
    Abstract: A suture system including a suture construct having a first reduction construct configured to be selectively arranged in an expanded state and a reduced state. The first reduction construct includes a first locking limb, a first contractible loop, and a first opposed loop disposed generally opposite to the first contractible loop, wherein reduction of the first opposed loop contracts the first contractible loop from the expanded state into the reduced state and secures the suture construct in the reduced state. The suture construct may also include a second reduction construct. Optionally, the suture system includes a first and a second pusher tube defining a first and a second lumen, respectively, wherein each pusher tubes are advanced over portions of opposed loops, respectively, and wherein distal portions of opposed loops extend beyond the pusher tubes, respectively.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: June 30, 2020
    Assignee: Arthrosurface Incorporated
    Inventors: George Sikora, Steven W. Ek
  • Publication number: 20200155174
    Abstract: An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a first guide configured to be coupled generally to the first bone. The first guide includes a body portion defining a channel configured to receive a pin, wherein the pin is configured to penetrate and form a longitudinally disposed bore within the first bone. The implant resection system further includes a second guide configured to be coupled generally perpendicular to the first bone proximate to the defect by way of the bore. The second guide includes a drill bit configured to form an excision site through a portion of the articular surface in preparation of receipt of an implant.
    Type: Application
    Filed: June 4, 2019
    Publication date: May 21, 2020
    Inventors: George Sikora, Steven W. Ek
  • Publication number: 20200155301
    Abstract: The present disclosure includes devices, apparatuses, and methods for forming lyophilized soft-tissue allografts for the correction of skeletal impairments (e.g., misalignments, arthritis, etc.), and soft-tissue allograft implants formed from the same.
    Type: Application
    Filed: July 9, 2019
    Publication date: May 21, 2020
    Inventors: Nikhil T. JAWRANI, Steven W. EK, Shawn A. HUNTER, Stephen W. GILL, Gregory S. LUCOUS, Ana Ysabel RIOJA
  • Patent number: 10624749
    Abstract: A system for repairing a defect on an articular surface of a patient's trochlear region, the system comprising a guide block comprising a body having an exterior surface configured to engage with the saddle portion and ridge portions of the patient's trochlear region, a protrusion extending generally from the body and configured to be received in a first bore formed in the articular surface along a reference axis, and a first cavity extending through the body configured to establish a first working axis displaced from the reference axis, wherein the exterior surface of the body and the protrusion are configured to secure the location of the guide block about the patient's trochlear region.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: April 21, 2020
    Assignee: Arthrosurface Incorporated
    Inventors: Steven W. Ek, George Sikora
  • Patent number: 10624752
    Abstract: An implant resection system for preparing an implant site to replace a defect in an articular surface of a first bone includes a guide configured to be coupled generally perpendicular to the first bone proximate to the defect. The guide includes a body portion defining a plurality of excision passageways. The excision passageways each define a generally cylindrical core pathway configured to extend generally perpendicular to the first bone which partially overlaps with an adjacent generally cylindrical core pathway. A projection associated with each of the plurality of the generally cylindrical core pathways defines a truncated cylindrical excision site extending through a portion of the articular surface. Each truncated cylindrical excision site partially overlaps with at least one adjacent truncated cylindrical excision site.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: April 21, 2020
    Assignee: Arthrosurface Incorporated
    Inventors: George Sikora, Steven W. Ek