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).
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Patent number: 12232964Abstract: 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: GrantFiled: November 30, 2021Date of Patent: February 25, 2025Assignee: Anika Therapeutics, Inc.Inventors: Stefano Agnello, Edward Ahn, Matteo Centola, Steven W. Ek, Stephen J. Kennedy, Matthew M. Mannarino, Elvira Marchetto, Sonali Puri, Robert Richard, Sara Simoncioni
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Patent number: 12220320Abstract: 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: GrantFiled: August 10, 2021Date of Patent: February 11, 2025Assignee: ARTHROSURFACE INCORPORATEDInventors: George Sikora, Steven W. Ek
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Patent number: 12207852Abstract: 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: GrantFiled: June 1, 2023Date of Patent: January 28, 2025Assignee: Arthrosurface IncorporatedInventors: Steven W. Ek, George Sikora, S. Brent Brotzman
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Patent number: 12193687Abstract: 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: GrantFiled: March 16, 2021Date of Patent: January 14, 2025Assignee: ARTHROSURFACE INCORPORATEDInventors: George Sikora, Steven W. Ek, Nikhil T. Jawrani
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Patent number: 12185954Abstract: 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: GrantFiled: October 24, 2022Date of Patent: January 7, 2025Assignee: ARTHROSURFACE INCORPORATEDInventors: George Sikora, Steven W. Ek
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Publication number: 20250000637Abstract: This disclosure includes apparatuses for simultaneous delivery of a fastener and an implant; systems including at least one of the present apparatuses, a seal assembly, and a cannula; caddy systems configured to receive a fastener and/or an implant for use with the present apparatuses; kits including at least one of the present apparatuses or systems and at least one of the present caddies; and methods of simultaneously delivering a fastener and an implant with the present apparatuses. The present apparatuses include an elongated body, one or more spikes at a body distal end of the body, a hub configured to receive a proximal portion of the body, and a handle coupled to the hub. The body defining a body recess in a peripheral surface of the body at point that is offset from the body distal end, and a body passage extending between a body proximal end and a body distal opening within the body recess.Type: ApplicationFiled: July 1, 2024Publication date: January 2, 2025Inventors: Nam CHAO, Steven W. EK
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Publication number: 20240358380Abstract: 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: ApplicationFiled: July 9, 2024Publication date: October 31, 2024Inventors: George SIKORA, Steven W. EK
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Patent number: 12127945Abstract: 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: GrantFiled: April 12, 2022Date of Patent: October 29, 2024Assignee: Arthrosurface IncorporatedInventors: Steven W. Ek, William B. Murphy, Anthony Miniaci
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Publication number: 20240341963Abstract: 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: ApplicationFiled: April 22, 2024Publication date: October 17, 2024Inventor: Steven W. EK
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Publication number: 20240341969Abstract: 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: ApplicationFiled: April 25, 2024Publication date: October 17, 2024Inventor: Steven W. EK
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Patent number: 12090058Abstract: 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: GrantFiled: October 17, 2022Date of Patent: September 17, 2024Assignee: Arthrosurface, Inc.Inventors: George Sikora, Steven W. Ek
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Publication number: 20240252184Abstract: Described herein are reverse shoulder devices and related systems, methods, and kits useful in orthopedic surgery. In some embodiments, a reamer is described having a handle, a shank and a cutting body. In some embodiments, the cutting body has a threaded region and a tapered cutting region. In some embodiments, the cutting body is configured to compact bone particles against the inner surface of a bone bore while reaming the bone.Type: ApplicationFiled: February 1, 2024Publication date: August 1, 2024Inventor: Steven W. Ek
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Publication number: 20240180711Abstract: 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: ApplicationFiled: October 11, 2023Publication date: June 6, 2024Inventors: Steven W. Ek, Daniel Adam Leduc, William B. Murphy, Timothy H. Brightman
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Patent number: 11998453Abstract: 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: GrantFiled: November 3, 2021Date of Patent: June 4, 2024Assignee: ARTHROSURFACE INCORPORATEDInventors: Steven W. Ek, George Sikora, Timothy Brightman
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Patent number: 11992414Abstract: 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: GrantFiled: October 29, 2019Date of Patent: May 28, 2024Assignee: Arthrosurface IncorporatedInventor: Steven W. Ek
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Patent number: 11992416Abstract: 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: GrantFiled: November 1, 2021Date of Patent: May 28, 2024Assignee: ARTHROSURFACE INCORPORATEDInventor: Steven W. Ek
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Publication number: 20240164770Abstract: Systems, methods, and devices for delivery of an implant to a targeted area of a subject. The systems may include the implant including a plurality of bioresorbable hyaluronan-based fibers and a plurality of non-resorbable fibers, a bone fastener configured to couple the implant to bone, a soft-tissue fastener configured to couple the implant to soft tissue. The systems may include a soft-tissue fastener tool (SFT) configured to couple with and deliver the soft-tissue fastener through the implant and soft-tissue and a bone fastener tool (BFT) configured to couple with and deliver the bone fastener and the implant. The BFT may further be configured to facilitate positioning of at least a portion of the implant over the targeted area after delivery thereto, and a cannula including a cannula passage configured to receive the BFT coupled with the bone fastener and implant therethrough.Type: ApplicationFiled: November 22, 2023Publication date: May 23, 2024Inventors: Nam Chao, Steven W. Ek, Tim Brightman, Dan LeDuc, Chris Baker, Stefano Agnello, Edward Ahn, Matteo Centola, Stephen J. Kennedy, Matthew M. Mannarino, Elvira Marchetto, Sonali Puri, Robert Richard, Sara Simoncioni, Alex Goraltchouk
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Publication number: 20240156453Abstract: In one aspect, a system for delivery of an implant to a targeted area of a subject, the system includes the implant includes a plurality of bioresorbable hyaluronan-based fibers and a plurality of non-resorbable fibers, a bone fastener configured to couple the implant to bone, a soft-tissue fastener configured to couple the implant to soft tissue, a soft-tissue fastener tool (SFT) configured to couple with and deliver the soft-tissue fastener through the implant and soft-tissue, a bone fastener tool (BFT) configured to couple with and deliver the bone fastener and the implant. The BFT may further be configured to facilitate positioning of at least a portion of the implant over the targeted area after delivery thereto, and a cannula having a cannula passage. The cannula passage may be configured to receive the BFT coupled with the bone fastener and implant therethrough to secure the implant about the targeted site.Type: ApplicationFiled: November 22, 2023Publication date: May 16, 2024Inventors: Nam Chao, Steven W. Ek, Tim Brightman, Dan LeDuc, Chris Baker, Stefano Agnello, Edward Ahn, Matteo Centola, Stephen J. Kennedy, Matthew M. Mannarino, Elvira Marchetto, Sonali Puri, Robert Richard, Sara Simoncioni, Alex Goraltchouk
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Patent number: 11925363Abstract: 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: GrantFiled: December 6, 2021Date of Patent: March 12, 2024Assignee: ARTHROSURFACE INCORPORATEDInventors: George Sikora, Steven W. Ek
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Publication number: 20230371992Abstract: 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: ApplicationFiled: June 1, 2023Publication date: November 23, 2023Inventors: Steven W. Ek, George Sikora, S. Brent Brotzman