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: 11925363
    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: Grant
    Filed: December 6, 2021
    Date of Patent: March 12, 2024
    Assignee: ARTHROSURFACE INCORPORATED
    Inventors: George Sikora, Steven W. Ek
  • Publication number: 20230371992
    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: June 1, 2023
    Publication date: November 23, 2023
    Inventors: Steven W. Ek, George Sikora, S. Brent Brotzman
  • Patent number: 11813170
    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: Grant
    Filed: January 29, 2021
    Date of Patent: November 14, 2023
    Assignee: Arthrosurface Incorporated
    Inventors: Steven W. Ek, Daniel Adam Leduc, William B. Murphy, Timothy H. Brightman
  • Publication number: 20230355277
    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: April 10, 2023
    Publication date: November 9, 2023
    Inventors: George Sikora, Steven W. EK
  • Patent number: 11766334
    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: Grant
    Filed: April 21, 2020
    Date of Patent: September 26, 2023
    Assignee: Arthrosurface Incorporated
    Inventors: Steven W. Ek, Steven E. Ek, Nikhil T. Jawrani
  • Publication number: 20230255781
    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: February 6, 2023
    Publication date: August 17, 2023
    Inventors: Steven W. Ek, Anthony Miniaci, Timothy Brightman
  • Publication number: 20230255780
    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: February 7, 2023
    Publication date: August 17, 2023
    Inventors: Steven W. Ek, Steven E. Ek, Nikhil T. Jawrani
  • Publication number: 20230248529
    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: February 6, 2023
    Publication date: August 10, 2023
    Inventor: Steven W. Ek
  • Patent number: 11717306
    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: March 30, 2021
    Date of Patent: August 8, 2023
    Assignee: Arthrosurface Incorporated
    Inventors: George Sikora, Timothy Brightman, Steven W. Ek
  • Patent number: 11712276
    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: Grant
    Filed: May 19, 2020
    Date of Patent: August 1, 2023
    Assignee: Arthrosurface Incorporated
    Inventors: Steven W. Ek, George Sikora, S. Brent Brotzman
  • Publication number: 20230181339
    Abstract: The present disclosure includes systems, methods, kits, and individual tools (e.g., trial sizers and delivery devices) for medical procedures involving a soft-tissue allograft for the correction of skeletal impairments (e.g., misalignments, arthritis, etc.).
    Type: Application
    Filed: December 9, 2022
    Publication date: June 15, 2023
    Inventors: Nikhil T. JAWRANI, Steven W. EK
  • Patent number: 11648036
    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: June 30, 2020
    Date of Patent: May 16, 2023
    Assignee: Arthrosurface Incorporated
    Inventors: George Sikora, Steven W. Ek
  • Publication number: 20230139576
    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: October 24, 2022
    Publication date: May 4, 2023
    Inventors: George SIKORA, Steven W. EK
  • Publication number: 20230121757
    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: October 24, 2022
    Publication date: April 20, 2023
    Inventors: Anthony MINIACI, Steven W. EK, William B. MURPHY, Timothy H. BRIGHTMAN
  • Publication number: 20230110492
    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: October 17, 2022
    Publication date: April 13, 2023
    Applicant: ARTHROSURFACE INCORPORATED
    Inventors: George Sikora, Steven W. Ek
  • Patent number: 11607319
    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: Grant
    Filed: April 21, 2020
    Date of Patent: March 21, 2023
    Assignee: Arthrosurface Incorporated
    Inventors: Steven W. Ek, Anthony Miniaci, Timothy Brightman
  • Publication number: 20230062240
    Abstract: The present disclosure provides a glenoid implant system for a reverse shoulder implant system that includes a glenoid implant having a center post, and also includes an angled baseplate comprising a bone facing surface to face an implant site prepared in a glenoid region of a patient, and an implant facing surface to face and engage the glenoid implant and receive the center post of the glenoid implant, wherein the implant facing surface being at an angle with respect to a centerline of the bone facing surface.
    Type: Application
    Filed: April 12, 2022
    Publication date: March 2, 2023
    Inventors: Steven W. EK, William B. Murphy, Anthony Miniaci
  • Publication number: 20230047910
    Abstract: This disclosure includes soft-tissue fasteners for coupling an implant to soft tissue, bone fasteners for coupling an implant to bone, fastener-delivery apparatuses (e.g., tools) for delivering such soft-tissue fasteners and bone fasteners, fastener cartridges for use with certain of the fastener-delivery apparatuses. The present fasteners generally include at least one barbed shaft and an enlarged head spaced from a distal end of the shaft. Some of the present fasteners include two barbed shafts and an enlarged head spanning the two shafts. This disclosure also includes kits that comprise a plurality of fasteners (e.g., a plurality of soft-tissue fasteners, a plurality of bone fasteners, or both).
    Type: Application
    Filed: April 11, 2022
    Publication date: February 16, 2023
    Applicant: Arthrosurface, Inc.
    Inventors: Nam CHAO, Steven W. EK
  • Patent number: 11547579
    Abstract: The present disclosure includes systems, methods, kits, and individual tools (e.g., trial sizers and delivery devices) for medical procedures involving a soft-tissue allograft for the correction of skeletal impairments (e.g., misalignments, arthritis, etc.).
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: January 10, 2023
    Assignee: Arthrosurface, Inc.
    Inventors: Nikhil T. Jawrani, Steven W. Ek
  • Publication number: 20220362005
    Abstract: This disclosure includes fasteners for coupling an implant to tissue (e.g., soft-tissue and/or bone), fabric-like implants, and assemblies with fasteners pre-loaded with implants. The present implants generally comprise at least one flexible, fibrous layer that is substantially planar in a flattened state. In some embodiments of the present assemblies for delivery of a fastener, the assembly comprises fastener cartridge, a fibrous implant wrapped around a portion of the cartridge, a fastener extending through the implant, and an elongated shield disposed around the implant and the cartridge such that the implant is retained between the cartridge and the shield. Kits comprise a plurality of fasteners pre-loaded with implants.
    Type: Application
    Filed: May 16, 2022
    Publication date: November 17, 2022
    Applicant: Arthrosurface, Inc.
    Inventors: Nam CHAO, Steven W. EK, Chris Baker