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).

  • 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
  • Publication number: 20220338884
    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: December 6, 2021
    Publication date: October 27, 2022
    Applicant: ARTHROSURFACE, INCORPORATED
    Inventors: George Sikora, Steven W. Ek
  • Patent number: 11478259
    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: Grant
    Filed: November 19, 2019
    Date of Patent: October 25, 2022
    Assignee: ARTHROSURFACE, INCORPORATED
    Inventors: George Sikora, Steven W. Ek
  • Patent number: 11478358
    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: Grant
    Filed: March 12, 2020
    Date of Patent: October 25, 2022
    Assignee: ARTHROSURFACE INCORPORATED
    Inventors: Anthony Miniaci, Steven W. Ek, Wiliam B. Murphy, Timothy H. Brightman
  • Patent number: 11471289
    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: April 21, 2020
    Date of Patent: October 18, 2022
    Assignee: ARTHROSURFACE INCORPORATED
    Inventors: George Sikora, Steven W. Ek
  • Publication number: 20220296383
    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: Application
    Filed: November 1, 2021
    Publication date: September 22, 2022
    Applicant: ARTHROSURFACE INCORPORATED
    Inventor: Steven W. EK
  • Publication number: 20220296381
    Abstract: The present disclosure provides an implant system. The implant system includes an anchor configured to be secured to bone within an excision site formed in a patients glenoid, said anchor including a shank and an enlarged head. The implant system also includes a baseplate including a body comprising: a bone facing surface; an implant facing surface; and a channel configured to extend radially from an entrance in an outer periphery of said body to a central region of said baseplate, said channel configured to receive said enlarged head and a portion of said shank and including an open region formed, at least in part, in said bone facing surface. The implant system also includes an implant including a body defining a load bearing surface and a baseplate recess, said baseplate recess configured to receive at least a portion of said implant facing surface to said baseplate such that said implant is coupled to said baseplate.
    Type: Application
    Filed: June 12, 2020
    Publication date: September 22, 2022
    Applicant: Arthrosurface Incorporated
    Inventors: STEVEN W. EK, WILLIAM B. MURPHY, ANTHONY MINIACI
  • Publication number: 20220168105
    Abstract: A bioabsorbable textile for the restoration of the joint function whereas the joint is affected by partial thickness tears, small to medium full-thickness tears, large to massive full-thickness tears, acute and chronic/degenerative tears. The bioabsorbable textile may comprise polymeric yarns interconnected to form a weave or knitted configuration, wherein said bioabsorbable textile provides a combined mechanical and biological augmentation in the target joint tissue. The bioabsorbable textile may be implanted in combination with fixation tools during open, mini-open or arthroscopic repair/augmentation procedures of joint tissue tears.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 2, 2022
    Applicant: Anika Therapeutics S.r.l.
    Inventors: Stefano Agnello, Edward Ahn, Matteo Centola, Steven W. Ek, Stephen J. Kennedy, Matthew M. Mannarino, Elvira Marchetto, Sonali Puri, Robert Richard, Sara Simoncioni
  • Patent number: 11337819
    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 21, 2020
    Date of Patent: May 24, 2022
    Assignee: ARTHROSURFACE INCORPORATED
    Inventors: Steven W. Ek, George Sikora
  • Publication number: 20220096241
    Abstract: A hybrid inlay/onlay (HIO) implant system includes an implant and an anchor. The implant comprises an inlay component and an onlay component. The inlay component is configured to be at least partially received in an excision site and includes a bone facing surface configured to abut against the bone within the excision site. The onlay component comprises an uppermost surface and a stepped surface. The uppermost surface includes an articulating surface configured to articulate against an articulating surface associated with a second bone of the joint. The stepped surface is configured to abut against at least some of a remaining portion of the patient's native articular surface proximate the excision site and/or a peripheral step excision site formed proximate the excision site. The anchor is configured to extend away from the bone facing surface of the inlay segment and to secure the HIO implant system to the first bone.
    Type: Application
    Filed: January 24, 2020
    Publication date: March 31, 2022
    Applicant: Arthrosurface Incorporated
    Inventors: Steven W. Ek, Anthony MINIACI, Timothy H. Brightman
  • Publication number: 20220062000
    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: Application
    Filed: August 10, 2021
    Publication date: March 3, 2022
    Applicant: ARTHROSURFACE INCORPORATED
    Inventors: George Sikora, Steven W. Ek
  • Publication number: 20220054274
    Abstract: A implant delivery system for securing an implant to an anchor. The implant delivery system includes a driver including a shaft, a biasing body having a first end region configured to engage said driver and a second end region configured to engage a portion of an implant, and a suture extending between the anchor and the shaft of the driver. The driver may be rotated to reduce the length of the suture between the driver and the anchor and generate a biasing force urging the implant into engagement with the anchor. The biasing force is substantially not transmitted to the bone.
    Type: Application
    Filed: November 3, 2021
    Publication date: February 24, 2022
    Applicant: ARTHROSURFACE INCORPORATED
    Inventors: Steven W. Ek, George Sikora, Timothy Brightman
  • Publication number: 20220047277
    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: Application
    Filed: March 30, 2021
    Publication date: February 17, 2022
    Inventors: George SIKORA, Timothy BRIGHTMAN, Steven W. EK
  • Publication number: 20220008210
    Abstract: An implant system for a knee comprising a femur and a patella. The implant system includes a patella implant comprising an implant body. The implant body comprises a bone facing surface, an articular facing surface, and at least one dimple. The bone facing surface engages bone beneath an implant site formed in the patella. The articular facing surface faces towards an articulating surface of the femur and has a non-anatomical shape (such as a dome). The dimples are formed in the articular facing surface and have a load bearing surface to engage against the articulating surface of the femur. The load bearing surface may have a contour that substantially corresponds to a spherical portion of a generally spherical segment or has an elongated, partially oval shape, and may be configured to increase contact area with the articulating surface of the femur, reduce stress concentrations, and increase resistance to dislocation subluxation.
    Type: Application
    Filed: October 29, 2019
    Publication date: January 13, 2022
    Inventor: Steven W. EK
  • Publication number: 20210378686
    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: Application
    Filed: March 16, 2021
    Publication date: December 9, 2021
    Inventors: George Sikora, Steven W. Ek, Nikhil T. Jawrani
  • Patent number: 11191552
    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: June 4, 2019
    Date of Patent: December 7, 2021
    Assignee: ARTHROSURFACE, INCORPORATED
    Inventors: George Sikora, Steven W. Ek
  • 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