Patents by Inventor Michael J. Jaasma
Michael J. Jaasma 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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Publication number: 20240076438Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: ApplicationFiled: August 2, 2023Publication date: March 7, 2024Inventors: Lampros Kourtis, David Myung, Daniel Chang, Bing Yu, Timothy Sun, Michael J. Jaasma, Vernon Hartdegen
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Patent number: 11760830Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: GrantFiled: May 3, 2021Date of Patent: September 19, 2023Assignee: Hyalex Orthopaedics, Inc.Inventors: Lampros Kourtis, David Myung, Daniel Chang, Bing Yu, Timothy Sun, Michael J. Jaasma, Vernon Hartdegen
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Publication number: 20210332179Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: ApplicationFiled: May 3, 2021Publication date: October 28, 2021Inventors: Lampros KOURTIS, David MYUNG, Daniel CHANG, Bing YU, Timothy SUN, Michael J. JAASMA, Vernon HARTDEGEN
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Patent number: 11015016Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: GrantFiled: November 19, 2019Date of Patent: May 25, 2021Assignee: Hyalex Orthopaedics, Inc.Inventors: Lampros Kourtis, David Myung, Daniel Chang, Bing Yu, Timothy Sun, Michael J. Jaasma, Vernon Hartdegen
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Patent number: 10752768Abstract: Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or composition gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape of a bone.Type: GrantFiled: March 6, 2020Date of Patent: August 25, 2020Assignee: Hyalex Orthopaedics, Inc.Inventors: David Myung, Michael J. Jaasma, Lampros Kourtis, Curtis W. Frank
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Publication number: 20200239678Abstract: Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or composition gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape of a bone.Type: ApplicationFiled: March 6, 2020Publication date: July 30, 2020Inventors: David MYUNG, Michael J. JAASMA, Lampros KOURTIS, Curtis W. FRANK
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Publication number: 20200087440Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: ApplicationFiled: November 19, 2019Publication date: March 19, 2020Inventors: Lampros KOURTIS, David MYUNG, Daniel CHANG, Bing YU, Timothy SUN, Michael J. JAASMA, Vernon HARTDEGEN
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Publication number: 20200017676Abstract: Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or compositional gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape a bone.Type: ApplicationFiled: September 23, 2019Publication date: January 16, 2020Inventors: David MYUNG, Michael J. JAASMA, Lampros KOURTIS, Jeffrey G. ROBERTS, Vernon HARTDEGEN
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Patent number: 10519270Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: GrantFiled: August 3, 2017Date of Patent: December 31, 2019Assignee: Hyalex Orthopaedics, Inc.Inventors: Lampros Kourtis, David Myung, Daniel Chang, Bing Yu, Timothy Sun, Michael J. Jaasma, Vernon Hartdegen
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Patent number: 10457803Abstract: Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or compositional gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape of a bone.Type: GrantFiled: December 29, 2016Date of Patent: October 29, 2019Assignee: Hyalex Orthopaedics, Inc.Inventors: David Myung, Michael J. Jaasma, Lampros Kourtis, Jeffrey G. Roberts, Vernon Hartdegen
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Publication number: 20170348011Abstract: Described herein are methods and devices useful for reaming and shaping the surfaces of a joint in a mammalian body. The reaming and shaping devices and methods are particularly useful in preparation of a joint for a minimally invasive joint replacement or resurfacing, though they may be used as part of any appropriate arthroplasty procedure.Type: ApplicationFiled: February 24, 2017Publication date: December 7, 2017Inventors: Lampros Kourtis, David Myung, Michael J. Jaasma
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Publication number: 20170327624Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: ApplicationFiled: August 3, 2017Publication date: November 16, 2017Inventors: Lampros KOURTIS, David MYUNG, Daniel CHANG, Bing YU, Timothy SUN, Michael J. JAASMA, Vernon HARTDEGEN
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Patent number: 9750842Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: GrantFiled: October 7, 2015Date of Patent: September 5, 2017Assignee: HYALEX ORTHOPAEDICS, INC.Inventors: Lampros Kourtis, David Myung, Daniel Chang, Bing Yu, Timothy Sun, Michael J. Jaasma, Vernon Hartdegen
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Publication number: 20170107370Abstract: Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or compositional gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape of a bone.Type: ApplicationFiled: December 29, 2016Publication date: April 20, 2017Inventors: David MYUNG, Michael J. JAASMA, Lampros KOURTIS, Jeffrey G. ROBERTS, Vernon HARTDEGEN
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Publication number: 20160256596Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.Type: ApplicationFiled: October 7, 2015Publication date: September 8, 2016Inventors: Lampros KOURTIS, David MYUNG, Daniel CHANG, Bing YU, Timothy SUN, Michael J. JAASMA, Vernon HARTDEGEN
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Publication number: 20150284654Abstract: A composition of matter comprising a hydrophobic or hydrophilic (or both) interpenetrating polymer network containing a non-ionic/ionic polymer and a hydrophobic thermoset or thermoplastic polymer, articles made from such composition and methods of preparing such articles. The invention also includes a process for preparing a hydrophobic/hydrophilic IPN or semi-IPN from a hydrophobic thermoset or thermoplastic polymer including the steps of placing an non-ionizable/ionizable monomer solution in contact with a hydrophobic thermoset or thermoplastic polymer; diffusing the monomer solution into the hydrophobic thermoset or thermoplastic polymer; and polymerizing the monomers to form a penetrating polymer inside the hydrophobic thermoset or thermoplastic polymer, thereby forming the IPN or semi-IPN.Type: ApplicationFiled: November 7, 2014Publication date: October 8, 2015Inventors: David MYUNG, Michael J. JAASMA, Lampros KOURTIS, Daniel CHANG, Curtis W. FRANK
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Publication number: 20150272599Abstract: Described herein are methods and devices useful for reaming and shaping the surfaces of a joint in a mammalian body. The reaming and shaping devices and methods are particularly useful in preparation of a joint for a minimally invasive joint replacement or resurfacing, though they may be used as part of any appropriate arthroplasty procedure.Type: ApplicationFiled: June 15, 2015Publication date: October 1, 2015Inventors: Lampros Kourtis, David Myung, Michael J. Jaasma
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Patent number: 9114024Abstract: Methods, devices, and systems for delivering and attaching flexible implants to a bone or joint surface. An implant container includes a first component for surrounding and enclosing an implant and a second component adapted for maintaining, supporting, and conforming the shape of the implant. The implant container designed to have at least one component attachable to the implant and to a delivery instrument or tool. The implant container component having a material allowing transmission of light through a thickness of the container and a thickness of an attached implant to cure an adhesive placed between the implant and a bone surface. Additionally, embodiments described provide delivery instruments and tools for attaching implants and implants within containers to a joint or bone surface.Type: GrantFiled: November 21, 2012Date of Patent: August 25, 2015Assignee: Biomimedica, Inc.Inventors: Lampros Kourtis, Michael J. Jaasma, David Myung, Michael C. Hollis, Vernon Hartdegen
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Publication number: 20150025161Abstract: An article comprising two chemically grafted polymer layers comprising a hydrogel layer and an end-functionalized polyurethane layer. The invention also includes methods of making and using the article.Type: ApplicationFiled: October 7, 2014Publication date: January 22, 2015Inventors: David MYUNG, Lampros KOURTIS, Robert WARD, Michael J. JAASMA, Keith McCrea
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Patent number: 8883915Abstract: A composition of matter comprising a hydrophobic or hydrophilic (or both) interpenetrating polymer network containing a non-ionic/ionic polymer and a hydrophobic thermoset or thermoplastic polymer, articles made from such composition and methods of preparing such articles. The invention also includes a process for preparing a hydrophobic/hydrophilic IPN or semi-IPN from a hydrophobic thermoset or thermoplastic polymer including the steps of placing an non-ionizable/ionizable monomer solution in contact with a hydrophobic thermoset or thermoplastic polymer; diffusing the monomer solution into the hydrophobic thermoset or thermoplastic polymer; and polymerizing the monomers to form a penetrating polymer inside the hydrophobic thermoset or thermoplastic polymer, thereby forming the IPN or semi-IPN.Type: GrantFiled: August 26, 2011Date of Patent: November 11, 2014Assignee: Biomimedica, Inc.Inventors: David Myung, Michael J. Jaasma, Lampros Kourtis, Daniel Chang, Curtis W. Frank