Patents by Inventor Luke M.B. Rodgers
Luke M.B. Rodgers 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: 11666626Abstract: An antibiotic-eluting article for implantation into a mammalian subject, produced by an additive manufacturing process wherein a polymeric material is concurrently deposited with a selected antibiotic. The additive manufacturing process is a fused deposition modeling process. The antibiotic-eluting article may be temporary or permanent orthopaedic skeletal component, an orthopaedic articulating joint replacement component, and/or an external hard-shell casing for an implantable device. One or more bone-growth-promoting compositions may be concurrently deposited with the polymeric material. The implantable device may be a cardiac pacemaker, a spinal cord stimulator, a neurostimulation system, an intrathecal drug pump for delivery of medicants into the spinal fluid, and infusion pump for delivery of chemotherapeutics and or anti-spasmodics, an insulin pump, an osmotic pump, and a heparin pump.Type: GrantFiled: December 23, 2020Date of Patent: June 6, 2023Assignee: ORTHOPAEDIC INNOVATION CENTRE INC.Inventors: Martin Petrak, Luke M. B. Rodgers
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Publication number: 20220016828Abstract: A method for printing a three-dimensional part with an additive manufacturing system, which includes providing a part material that compositionally has one or more semi-crystalline polymers and one or more secondary materials that are configured to retard crystallization of the one or more semi-crystalline polymers, where the one or more secondary materials are substantially miscible with the one or more semi-crystalline polymers. The method also includes melting the part material in the additive manufacturing system, forming at least a portion of a layer of the three-dimensional part from the melted part material in a build environment, and maintaining the build environment at an annealing temperature that is between a glass transition temperature of the part material and a cold crystallization temperature of the part material.Type: ApplicationFiled: September 14, 2021Publication date: January 20, 2022Inventors: Luke M.B. Rodgers, Vittorio L. Jaker
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Patent number: 11148374Abstract: A method for printing a three-dimensional part with an additive manufacturing system, which includes providing a part material that compositionally has one or more semi-crystalline polymers and one or more secondary materials that are configured to retard crystallization of the one or more semi-crystalline polymers, where the one or more secondary materials are substantially miscible with the one or more semi-crystalline polymers. The method also includes melting the part material in the additive manufacturing system, forming at least a portion of a layer of the three-dimensional part from the melted part material in a build environment, and maintaining the build environment at an annealing temperature that is between a glass transition temperature of the part material and a cold crystallization temperature of the part material.Type: GrantFiled: December 12, 2018Date of Patent: October 19, 2021Assignee: Stratasys, Inc.Inventors: Luke M. B. Rodgers, Vittorio L. Jaker
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Patent number: 11046014Abstract: A support material for use in an additive manufacturing system to print a support structure for a three-dimensional part. The support material includes a base resin that is substantially miscible with a part material used to print the three-dimensional part, and has a glass transition temperature within about 10° C. of a glass transition temperature of the part material. The support material also includes a dispersed resin that is substantially immiscible with the base resin, where the base resin and the dispersed resin are each thermally stable for use in the additive manufacturing system in coordination with the part material.Type: GrantFiled: August 22, 2018Date of Patent: June 29, 2021Assignee: Stratasys, Inc.Inventors: Vittorio L. Jaker, Luke M. B. Rodgers
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Publication number: 20210113651Abstract: An antibiotic-eluting article for implantation into a mammalian subject, produced by an additive manufacturing process wherein a polymeric material is concurrently deposited with a selected antibiotic. The additive manufacturing process is a fused deposition modeling process. The antibiotic-eluting article may be temporary or permanent orthopaedic skeletal component, an orthopaedic articulating joint replacement component, and/or an external hard-shell casing for an implantable device. One or more bone-growth-promoting compositions may be concurrently deposited with the polymeric material. The implantable device may be a cardiac pacemaker, a spinal cord stimulator, a neurostimulation system, an intrathecal drug pump for delivery of medicants into the spinal fluid, and infusion pump for delivery of chemotherapeutics and or anti-spasmodics, an insulin pump, an osmotic pump, and a heparin pump.Type: ApplicationFiled: December 23, 2020Publication date: April 22, 2021Inventors: Martin PETRAK, Luke M.B. RODGERS
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Patent number: 10905740Abstract: An antibiotic-eluting article for implantation into a mammalian subject, produced by an additive manufacturing process wherein a polymeric material is concurrently deposited with a selected antibiotic. The additive manufacturing process may be a fused deposition modeling process, a selective laser sintering process, a selective heat sintering process, a digital light processing process, or a stereolithography process. The antibiotic-eluting article may be temporary or permanent orthopaedic skeletal component, an orthopaedic articulating joint replacement component, and/or an external hard-shell casing for an implantable device. One or more bone-growth-promoting compositions may be concurrently deposited with the polymeric material.Type: GrantFiled: November 14, 2013Date of Patent: February 2, 2021Assignee: ORTHOPAEDIC INNOVATION CENTRE INC.Inventors: Martin Petrak, Luke M. B. Rodgers
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Patent number: 10807302Abstract: A polymeric material includes a semi-crystalline polymer and a secondary material wherein when the secondary material is combined with the semi-crystalline polymer to form a blend having an enthalpy that is between about 2 J/g heat of fusion and about 80% of the heat of fusion of the neat semi-crystalline material, as measured by differential scanning calorimetry (DSC) when cooling from a melting temperature to a hot crystalline temperature at a rate of 10° C./min.Type: GrantFiled: October 13, 2017Date of Patent: October 20, 2020Assignee: STRATASYS, INC.Inventors: Luke M. B. Rodgers, Vittorio L. Jaker
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Patent number: 10781311Abstract: A polymeric material includes a semi-crystalline polymer and a secondary material wherein when the secondary material is combined with the semi-crystalline polymer to form a blend having at least a 3° C. reduction in a hot crystallization temperature relative to the neat semi-crystalline polymer.Type: GrantFiled: December 3, 2018Date of Patent: September 22, 2020Assignee: Stratasys, Inc.Inventors: Luke M. B. Rodgers, Vittorio L. Jaker
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Patent number: 10675853Abstract: A support material for use in an additive manufacturing system, which includes a thermoplastic copolymer polymerized from monomers comprising acid-functional monomers having carboxylic acid groups, and one or more non-acid-functional monomers, where a portion of the carboxylic acid groups are neutralized with a base having an alkali metal cation. The thermoplastic copolymer has a high glass transition temperature and melt processing temperature, and is thermally stable at its melt processing temperature. The neutralized thermoplastic copolymer is soluble in an alkaline aqueous solution.Type: GrantFiled: May 13, 2015Date of Patent: June 9, 2020Assignee: STRATASYS, INC.Inventors: Adam R. Pawloski, Jiayi Zhu, Kent Kaske, Luke M. B. Rodgers, Theresa Sherar
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Publication number: 20200061239Abstract: An antibiotic-eluting article for implantation into a mammalian subject, produced by an additive manufacturing process wherein a polymeric material is concurrently deposited with a selected antibiotic. The additive manufacturing process may be a selective laser sintering process or a selective laser melting process or a selective heat sintering process or an electron beam melting process. The antibiotic-eluting article may be temporary or permanent orthopaedic skeletal component, an orthopaedic articulating joint replacement component, and/or an external hard-shell casing for an implantable device. One or more bone-growth-promoting compositions may be concurrently deposited with the polymeric material. The implantable device may be a cardiac pacemaker, a spinal cord stimulator, a neurostimulation system, an intrathecal drug pump for delivery of medicants into the spinal fluid, and infusion pump for delivery of chemotherapeutics and/or anti-spasmodics, an insulin pump, an osmotic pump, and a heparin pump.Type: ApplicationFiled: July 24, 2019Publication date: February 27, 2020Inventors: Martin PETRAK, Luke M.B. RODGERS
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Patent number: 10457833Abstract: Part materials for additive manufacturing applications include materials with a fluoropolymer processing aid (material-FP). These materials include one or more thermoplastic polymers and one or more fluoropolymers as a processing aid. The material-FP is used to build parts with additive manufacturing systems. Parts built using material-FP have improved physical properties including improved strength in the z-direction of the parts. Composite systems such as reinforced filaments with the material-FP also have a higher density.Type: GrantFiled: December 20, 2016Date of Patent: October 29, 2019Assignee: STRATASYS, INC.Inventors: Neil R. Granlund, Adam R. Pawloski, Garrett S. Van Gorden, Luke M. B. Rodgers, Vittorio L. Jaker
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Patent number: 10406263Abstract: An antibiotic-eluting article for implantation into a mammalian subject, produced by an additive manufacturing process wherein a polymeric material is concurrently deposited with a selected antibiotic. The additive manufacturing process may be a selective laser sintering process or a selective laser melting process or a selective heat sintering process or an electron beam melting process. The antibiotic-eluting article may be temporary or permanent orthopedic skeletal component, an orthopedic articulating joint replacement component, and/or an external hard-shell casing for an implantable device. One or more bone-growth-promoting compositions may be concurrently deposited with the polymeric material. The implantable device may be a cardiac pacemaker, a spinal cord stimulator, a neurostimulation system, an intrathecal drug pump for delivery of medicants into the spinal fluid, and infusion pump for delivery of chemotherapeutics and/or anti-spasmodics, an insulin pump, an osmotic pump, and a heparin pump.Type: GrantFiled: March 20, 2015Date of Patent: September 10, 2019Assignee: Orthopaedic Innovation Centre Inc.Inventors: Martin Petrak, Luke M. B. Rodgers
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Publication number: 20190111615Abstract: A method for printing a three-dimensional part with an additive manufacturing system, which includes providing a part material that compositionally has one or more semi-crystalline polymers and one or more secondary materials that are configured to retard crystallization of the one or more semi-crystalline polymers, where the one or more secondary materials are substantially miscible with the one or more semi-crystalline polymers. The method also includes melting the part material in the additive manufacturing system, forming at least a portion of a layer of the three-dimensional part from the melted part material in a build environment, and maintaining the build environment at an annealing temperature that is between a glass transition temperature of the part material and a cold crystallization temperature of the part material.Type: ApplicationFiled: December 12, 2018Publication date: April 18, 2019Inventors: Luke M.B. Rodgers, Vittorio L. Jaker
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Publication number: 20190106569Abstract: A polymeric material includes a semi-crystalline polymer and a secondary material wherein when the secondary material is combined with the semi-crystalline polymer to form a blend having at least a 3° C. reduction in a hot crystallization temperature relative to the neat semi-crystalline polymer.Type: ApplicationFiled: December 3, 2018Publication date: April 11, 2019Inventors: Luke M.B. Rodgers, Vittorio L. Jaker
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Patent number: 10189210Abstract: A method for printing a three-dimensional part with an additive manufacturing system, which includes providing a part material that compositionally has one or more semi-crystalline polymers and one or more secondary materials that are configured to retard crystallization of the one or more semi-crystalline polymers, where the one or more secondary materials are substantially miscible with the one or more semi-crystalline polymers. The method also includes melting the part material in the additive manufacturing system, forming at least a portion of a layer of the three-dimensional part from the melted part material in a build environment, and maintaining the build environment at an annealing temperature that is between a glass transition temperature of the part material and a cold crystallization temperature of the part material.Type: GrantFiled: September 8, 2016Date of Patent: January 29, 2019Assignee: Stratasys, Inc.Inventors: Luke M. B. Rodgers, Vittorio L. Jaker
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Publication number: 20180361674Abstract: A support material for use in an additive manufacturing system to print a support structure for a three-dimensional part. The support material includes a base resin that is substantially miscible with a part material used to print the three-dimensional part, and has a glass transition temperature within about 10° C. of a glass transition temperature of the part material. The support material also includes a dispersed resin that is substantially immiscible with the base resin, where the base resin and the dispersed resin are each thermally stable for use in the additive manufacturing system in coordination with the part material.Type: ApplicationFiled: August 22, 2018Publication date: December 20, 2018Inventors: Vittorio L. Jaker, Luke M.B. Rodgers
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Patent number: 10144828Abstract: A polymeric material includes a semi-crystalline polymer and a secondary material wherein when the secondary material is combined with the semi-crystalline polymer to form a blend having at least a 3° C. reduction in a hot crystallization temperature relative to the neat semi-crystalline polymer.Type: GrantFiled: May 27, 2015Date of Patent: December 4, 2018Assignee: Stratasys, Inc.Inventors: Luke M. B. Rodgers, Vittorio L. Jaker
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Patent number: 10059053Abstract: A support material for use in an additive manufacturing system to print a support structure for a three-dimensional part. The support material includes a base resin that is substantially miscible with a part material used to print the three-dimensional part, and has a glass transition temperature within about 10° C. of a glass transition temperature of the part material. The support material also includes a dispersed resin that is substantially immiscible with the base resin, where the base resin and the dispersed resin are each thermally stable for use in the additive manufacturing system in coordination with the part material.Type: GrantFiled: November 4, 2014Date of Patent: August 28, 2018Assignee: Stratasys, Inc.Inventors: Vittorio L. Jaker, Luke M. B. Rodgers
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Patent number: 10023739Abstract: A polymeric material includes a semi-crystalline polymer and a secondary material wherein when the secondary material is combined with the semi-crystalline polymer to form a blend having an enthalpy that is between about 2 J/g heat of fusion and about 80% of the heat of fusion of the neat semi-crystalline material, as measured by differential scanning calorimetry (DSC) when cooling from a melting temperature to a hot crystalline temperature at a rate of 10° C./min.Type: GrantFiled: May 27, 2015Date of Patent: July 17, 2018Assignee: Stratasys, Inc.Inventors: Luke M. B. Rodgers, Vittorio L. Jaker
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Patent number: 9925714Abstract: A method for printing a three-dimensional part with an additive manufacturing system includes providing a consumable feedstock material comprising a semi-crystalline polymer containing one or more secondary materials, wherein the consumable feedstock material has a process window in which crystalline kinetics are either accelerated or retarded. The consumable feedstock material is melted in the additive manufacturing system. At least a portion of the three-dimensional part from the melted consumable feedstock material in a build environment maintained within the process window.Type: GrantFiled: May 27, 2015Date of Patent: March 27, 2018Assignee: Stratasys, Inc.Inventors: Luke M. B. Rodgers, Vittorio L. Jaker