Patents by Inventor Jeffrey A. Rybolt

Jeffrey A. Rybolt 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: 11938033
    Abstract: A method for manufacturing a prosthetic component include injection molding a prosthetic component with a polymeric material. The prosthetic component includes a final surface positioned on one side and multiple coring features positioned on an opposite side. The coring features may include multiple ribs and slots. The method further includes machining the prosthetic component to remove the coring features and form a final surface on the opposite side. The prosthetic component may be a femoral component for a prosthetic knee joint.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: March 26, 2024
    Assignee: DEPUY SYNTHES PRODUCTS, INC.
    Inventors: Rajendra K. Kasinath, Jeffrey A. Rybolt, David A. B. Smith
  • Publication number: 20220151787
    Abstract: A joint prosthesis system is suitable for cementless fixation. The system includes a metal implant component that has a mounting surface for supporting an insert. The metal implant component includes a solid metal portion and a porous metal portion. The porous metal portion has surfaces with different characteristics, such as roughness, to improve bone fixation, ease removal of the implant component in a revision surgery, reduce soft tissue irritation, improve the strength of a sintered bond between the solid and porous metal portions, or reduce or eliminate the possibility of blood traveling through the porous metal portion into the joint space. A method of making the joint prosthesis is also disclosed. The invention may also be applied to discrete porous metal implant components, such as augment.
    Type: Application
    Filed: November 23, 2021
    Publication date: May 19, 2022
    Inventors: STEPHANIE M. WAINSCOTT, DAREN L. DEFFENBAUGH, HENGDA D. LIU, ANDREW J. MARTIN, JEFFREY A. RYBOLT, BRYAN J. SMITH, ANTHONY D. ZANNIS
  • Patent number: 11213397
    Abstract: A joint prosthesis system is suitable for cementless fixation. The system includes a metal implant component that has a mounting surface for supporting an insert. The metal implant component includes a solid metal portion and a porous metal portion. The porous metal portion has surfaces with different characteristics, such as roughness, to improve bone fixation, ease removal of the implant component in a revision surgery, reduce soft tissue irritation, improve the strength of a sintered bond between the solid and porous metal portions, or reduce or eliminate the possibility of blood traveling through the porous metal portion into the joint space. A method of making the joint prosthesis is also disclosed. The invention may also be applied to discrete porous metal implant components, such as augment.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: January 4, 2022
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Stephanie M. Wainscott, Daren L. Deffenbaugh, Hengda D. Liu, Andrew J. Martin, Jeffrey A. Rybolt, Bryan J. Smith, Anthony D. Zannis
  • Publication number: 20210401583
    Abstract: A method for manufacturing a prosthetic component include injection molding a prosthetic component with a polymeric material. The prosthetic component includes a final surface positioned on one side and multiple coring features positioned on an opposite side. The coring features may include multiple ribs and slots. The method further includes machining the prosthetic component to remove the coring features and form a final surface on the opposite side. The prosthetic component may be a femoral component for a prosthetic knee joint.
    Type: Application
    Filed: June 30, 2020
    Publication date: December 30, 2021
    Inventors: Rajendra K. Kasinath, Jeffrey A. Rybolt, David A.B. Smith
  • Publication number: 20190358041
    Abstract: A joint prosthesis system is suitable for cementless fixation. The system includes a metal implant component that has a mounting surface for supporting an insert. The metal implant component includes a solid metal portion and a porous metal portion. The porous metal portion has surfaces with different characteristics, such as roughness, to improve bone fixation, ease removal of the implant component in a revision surgery, reduce soft tissue irritation, improve the strength of a sintered bond between the solid and porous metal portions, or reduce or eliminate the possibility of blood traveling through the porous metal portion into the joint space. A method of making the joint prosthesis is also disclosed. The invention may also be applied to discrete porous metal implant components, such as augment.
    Type: Application
    Filed: August 7, 2019
    Publication date: November 28, 2019
    Inventors: STEPHANIE M. WAINSCOTT, DAREN L. DEFFENBAUGH, HENGDA D. LIU, ANDREW J. MARTIN, JEFFREY A. RYBOLT, BRYAN J. SMITH, ANTHONY D. ZANNIS
  • Patent number: 10433964
    Abstract: A joint prosthesis system is suitable for cementless fixation. The system has two metal implant components and a bearing. One of the metal implant components has an articulation surface for articulation with the bearing. The other metal implant component has a mounting surface for supporting the bearing. One of the metal implant components includes a solid metal portion and a porous metal portion. The porous metal portion has surfaces with different characteristics, such as roughness, to improve bone fixation, ease removal of the implant component in a revision surgery, reduce soft tissue irritation, improve the strength of a sintered bond between the solid and porous metal portions, or reduce or eliminate the possibility of blood traveling through the porous metal portion into the joint space. A method of making the joint prosthesis is also disclosed. The invention may also be applied to discrete porous metal implant components, such as augment.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: October 8, 2019
    Assignee: DEPUY IRELAND UNLIMITED COMPANY
    Inventors: Stephanie M Wainscott, Daren L Deffenbaugh, Hengda D Liu, Andrew J Martin, Jeffrey A Rybolt, Bryan J Smith, Anthony D Zannis
  • Publication number: 20170239052
    Abstract: A joint prosthesis system is suitable for cementless fixation. The system has two metal implant components and a bearing. One of the metal implant components has an articulation surface for articulation with the bearing. The other metal implant component has a mounting surface for supporting the bearing. One of the metal implant components includes a solid metal portion and a porous metal portion. The porous metal portion has surfaces with different characteristics, such as roughness, to improve bone fixation, ease removal of the implant component in a revision surgery, reduce soft tissue irritation, improve the strength of a sintered bond between the solid and porous metal portions, or reduce or eliminate the possibility of blood traveling through the porous metal portion into the joint space. A method of making the joint prosthesis is also disclosed. The invention may also be applied to discrete porous metal implant components, such as augment.
    Type: Application
    Filed: May 8, 2017
    Publication date: August 24, 2017
    Inventors: STEPHANIE M. WAINSCOTT, DAREN L. DEFFENBAUGH, HENGDA D. LIU, ANDREW J. MARTIN, JEFFREY A. RYBOLT, BRYAN J. SMITH, ANTHONY D. ZANNIS
  • Patent number: 9393118
    Abstract: Provided are methods for processing a green body that includes compacted metal powder, comprising impacting the green body with a particulate material for a time and under conditions effective to displace a portion of the metal powder from the green body. The present methods can be used to prepare green bodies that have “roughened” surfaces and that can be used to make orthopedic implants displaying low movement relative to bone when installed in situ, which corresponds to higher stability upon implantation and decreases the time required for biological fixation of the implant. Also provided are implants comprising a metallic matrix, and methods comprising surgically installing an implant prepared from a “surface roughened” green body in accordance with the present invention.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: July 19, 2016
    Assignee: DEPUY SYNTHES PRODUCTS, INC.
    Inventors: Bryan J. Smith, Jeffrey A. Rybolt, Hengda D. Liu, Andrew J. Martin
  • Patent number: 9237953
    Abstract: An orthopaedic prosthesis for cementless fixation has a solid metal base and porous metal pegs extending out from the base. The pegs are mechanically, rather than metallurgically, fixed to the base. A process for making such a prosthesis is also disclosed.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: January 19, 2016
    Assignee: DEPUY (IRELAND)
    Inventors: Jeffrey A Rybolt, Bryan J Smith
  • Publication number: 20150313715
    Abstract: A joint prosthesis system is suitable for cementless fixation. The system has two metal implant components and a bearing. One of the metal implant components has an articulation surface for articulation with the bearing. The other metal implant component has a mounting surface for supporting the bearing. One of the metal implant components includes a solid metal portion and a porous metal portion. The porous metal portion has surfaces with different characteristics, such as roughness, to improve bone fixation, ease removal of the implant component in a revision surgery, reduce soft tissue irritation, improve the strength of a sintered bond between the solid and porous metal portions, or reduce or eliminate the possibility of blood traveling through the porous metal portion into the joint space. A method of making the joint prosthesis is also disclosed. The invention may also be applied to discrete porous metal implant components, such as augments.
    Type: Application
    Filed: July 9, 2015
    Publication date: November 5, 2015
    Inventors: STEPHANIE M. WAINSCOTT, DAREN L. DEFFENBAUGH, HENGDA D. LIU, ANDREW J. MARTIN, JEFFREY A. RYBOLT, BRYAN J. SMITH, ANTHONY D. ZANNIS
  • Patent number: 9101476
    Abstract: A joint prosthesis system is suitable for cementless fixation. The system has two metal implant components and a bearing. One of the metal implant components has an articulation surface for articulation with the bearing. The other metal implant component has a mounting surface for supporting the bearing. One of the metal implant components includes a solid metal portion and a porous metal portion. The porous metal portion has surfaces with different characteristics, such as roughness, to improve bone fixation, ease removal of the implant component in a revision surgery, reduce soft tissue irritation, improve the strength of a sintered bond between the solid and porous metal portions, or reduce or eliminate the possibility of blood traveling through the porous metal portion into the joint space. A method of making the joint prosthesis is also disclosed. The invention may also be applied to discrete porous metal implant components, such as augment.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: August 11, 2015
    Assignee: DEPUY (IRELAND)
    Inventors: Stephanie M. Deruntz, Daren L. Deffenbaugh, Hengda D. Liu, Andrew J. Martin, Jeffrey A. Rybolt, Bryan J. Smith, Anthony D. Zannis
  • Publication number: 20150157460
    Abstract: Provided are methods for processing a green body that includes compacted metal powder, comprising impacting the green body with a particulate material for a time and under conditions effective to displace a portion of the metal powder from the green body. The present methods can be used to prepare green bodies that have “roughened” surfaces and that can be used to make orthopedic implants displaying low movement relative to bone when installed in situ, which corresponds to higher stability upon implantation and decreases the time required for biological fixation of the implant. Also provided are implants comprising a metallic matrix, and methods comprising surgically installing an implant prepared from a “surface roughened” green body in accordance with the present invention.
    Type: Application
    Filed: September 17, 2014
    Publication date: June 11, 2015
    Inventors: Bryan J. Smith, Jeffrey A. Rybolt, Hengda D. Liu, Andrew J. Martin
  • Patent number: 8871142
    Abstract: Provided are methods for processing a green body that includes compacted metal powder, comprising impacting the green body with a particulate material for a time and under conditions effective to displace a portion of the metal powder from the green body. The present methods can be used to prepare green bodies that have “roughened” surfaces and that can be used to make orthopedic implants displaying low movement relative to bone when installed in situ, which corresponds to higher stability upon implantation and decreases the time required for biological fixation of the implant. Also provided are implants comprising a metallic matrix, and methods comprising surgically installing an implant prepared from a “surface roughened” green body in accordance with the present invention.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: October 28, 2014
    Assignee: DePuy Synthes Products, LLC
    Inventors: Bryan Smith, Jeffrey A. Rybolt, Derek Hengda Liu, Andrew James Martin
  • Publication number: 20140277547
    Abstract: An orthopaedic prosthesis for cementless fixation has a solid metal base and porous metal pegs extending out from the base. The pegs are mechanically, rather than metallurgically, fixed to the base. A process for making such a prosthesis is also disclosed.
    Type: Application
    Filed: February 21, 2014
    Publication date: September 18, 2014
    Applicant: Depuy Synthes Products, LLC
    Inventors: JEFFREY A RYBOLT, BRYAN J SMITH
  • Patent number: 8506643
    Abstract: An acetabular prosthesis system configured to be coupled to a surgically-prepared acetabulum includes an acetabular shell, an augment component, and a fastener configured to couple the acetabular shell and the augment component together.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: August 13, 2013
    Assignee: DePuy Synthes Products, LLC
    Inventors: Ryan C. Keefer, Jeffrey A. Rybolt, Hengda D. Liu, Matthew D. Smith, Gerhard J. A. Drescher
  • Publication number: 20110264232
    Abstract: An acetabular prosthesis system configured to be coupled to a surgically-prepared acetabulum includes an acetabular shell, an augment component, and a fastener configured to couple the acetabular shell and the augment component together.
    Type: Application
    Filed: July 8, 2011
    Publication date: October 27, 2011
    Inventors: Ryan C. Keefer, Jeffrey A. Rybolt, Hengda D. Liu, Matthew D. Smith, Gerhard J. A. Drescher
  • Patent number: 7985260
    Abstract: An acetabular prosthesis system configured to be coupled to a surgically-prepared acetabulum includes an acetabular shell, an augment component, and a fastener configured to couple the acetabular shell and the augment component together.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: July 26, 2011
    Assignee: DePuy Products, Inc.
    Inventors: Ryan C. Keefer, Jeffrey A. Rybolt, Hengda D. Liu, Matthew D. Smith, Gerhard J. A. Drescher
  • Publication number: 20110068500
    Abstract: Provided are molds comprising a substantially concave portion, and a cap portion that is configured for removable attachment to the substantially concave portion and comprises a mandrel formed from a substantially rigid material, wherein the cap portion and the substantially concave portion, when attached, define an internal space having a three-dimensional shape. Among other benefits, the disclosed devices and methods of using such devices provide more uniform and repeatable compaction than conventional molds, and can be used to produce compacted structures having more dimensionally accurate and repeatable surface features, thereby yielding a better, more optimal near net shaped part.
    Type: Application
    Filed: September 8, 2010
    Publication date: March 24, 2011
    Applicant: DEPUY PRODUCTS, Inc.
    Inventors: ANDREW JAMES MARTIN, HENGDA DEREK LIU, JUWAN RIM, JEFFREY A. RYBOLT
  • Publication number: 20110029092
    Abstract: A joint prosthesis system is suitable for cemented fixation. The system has two metal implant components and a bearing. One of the metal implant components has an articulation surface for articulation with the bearing. The other metal implant component has a mounting surface for supporting the bearing. One of the metal implant components includes a solid metal portion and a porous metal portion. The porous metal portion has surfaces with different characteristics, such as roughness, to improve bone fixation, ease removal of the implant component in a revision surgery, reduce soft tissue irritation, improve the strength of a sintered bond between the solid and porous metal portions, or reduce or eliminate the possibility of blood traveling through the porous metal portion into the joint space. A method of making the joint prosthesis is also disclosed. The invention may also be applied to discrete porous metal implant components, such as augment.
    Type: Application
    Filed: October 14, 2010
    Publication date: February 3, 2011
    Applicant: DEPUY PRODUCTS, INC.
    Inventors: STEPHANIE M. DERUNTZ, DAREN L. DEFFENBAUGH, HENGDA D. LIU, ANDREW J. MARTIN, JEFFREY A. RYBOLT, BRYAN J. SMITH, ANTHONY D. ZANNIS
  • Publication number: 20090326670
    Abstract: An acetabular prosthesis system configured to be coupled to a surgically-prepared acetabulum includes an acetabular shell, an augment component, and a fastener configured to couple the acetabular shell and the augment component together.
    Type: Application
    Filed: June 30, 2008
    Publication date: December 31, 2009
    Inventors: Ryan C. Keefer, Jeffrey A. Rybolt, Hengda D. Liu, Matthew D. Smith, Gerhard J. A. Drescher