Patents by Inventor Stephen D. Ainsworth

Stephen D. Ainsworth 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: 9913728
    Abstract: Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for minimally invasively accessing and deploying the implants within the spine. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: March 13, 2018
    Assignee: Quandary Medical, LLC
    Inventors: Stephen D. Ainsworth, Eugene E. Avidano, Leighton J. LaPierre
  • Patent number: 9814598
    Abstract: Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for percutaneously accessing and deploying the implants within the spines. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: November 14, 2017
    Assignee: QUANDARY MEDICAL, LLC
    Inventors: Stephen D. Ainsworth, Eugene E. Avidano, Leighton J. LaPierre
  • Publication number: 20170049479
    Abstract: Methods for implantation across one or more adjacent bones to allow for control of the distance between bone anchors. Control of distance between bone anchors may be provided by one inter-anchor element pushing the pair of bone anchors apart and a second inter-anchor element pulling the pair of bone anchors together. Control of distance between bone anchors may be provided through use of dissimilar thread pitch. Compression of the space between bone anchors through controlled movement of a pair of anchored bone anchors towards one another.
    Type: Application
    Filed: August 17, 2015
    Publication date: February 23, 2017
    Inventors: Stephen D. Ainsworth, Leighton J. LaPierre
  • Patent number: 9564045
    Abstract: An alarm system testing device facilitates simulation of a trouble condition and testing circuit continuity of an alarm system within a structure. The device includes an alarm system comprising an electrical circuit, an alarm, a resistor, and at least one trigger. The alarm is activated by the trigger shorting a positive rail of the electrical circuit to a negative rail. A testing switch has a ground position wherein the positive rail of the electrical circuit is grounded when the testing switch is in the ground position. The resistor is electrically coupled to the testing switch such that positioning the testing switch in a resistor bypass position removes the resistor from the electrical circuit.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: February 7, 2017
    Inventors: Stephen D. Ainsworth, Larry C. Geoghegan
  • Publication number: 20160317333
    Abstract: The invention is directed to an expandable stent for implantating in a body lumen, such as a coronary artery, peripheral artery, or other body lumen. The invention provides for a an intravascular stent having a plurality of cylindrical rings connected by undulating links. The stent has a high degree of flexibility in the longitudinal direction, yet has adequate vessel wall coverage and radial strength sufficient to hold open an artery or other body lumen.
    Type: Application
    Filed: July 13, 2016
    Publication date: November 3, 2016
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: Stephen D. Ainsworth, E. Tina Cheng, James M. Jacobs
  • Publication number: 20160228269
    Abstract: The invention provides an improved stent design for repairing vasculature, the stent having rings including struts defining first peaks and second peaks, selected second peaks of adjacent rings being connected by links. The stent design incorporates non-linear links with undulating portions extending generally perpendicular to or circumferentially with respect to a longitudinal axis of the stent and adjacent first peaks with different longitudinal lengths such that stent flexibility is increased without sacrificing stent compression for delivery.
    Type: Application
    Filed: April 21, 2016
    Publication date: August 11, 2016
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: Stephen D. Ainsworth, Andreina P. Gomez
  • Patent number: 9408727
    Abstract: The invention is directed to an expandable stent for implanting in a body lumen, such as a coronary artery, peripheral artery, or other body lumen. The invention provides for a an intravascular stent having a plurality of cylindrical rings connected by undulating links. The stent has a high degree of flexibility in the longitudinal direction, yet has adequate vessel wall coverage and radial strength sufficient to hold open an artery or other body lumen.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: August 9, 2016
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Stephen D. Ainsworth, E Tina Cheng, James M. Jacobs
  • Patent number: 9345599
    Abstract: The invention provides an improved stent design for repairing vasculature, the stent having rings including struts defining first peaks and second peaks, selected second peaks of adjacent rings being connected by links. The stent design incorporates non-linear links with undulating portions extending generally perpendicular to or circumferentially with respect to a longitudinal axis of the stent and adjacent first peaks with different longitudinal lengths such that stent flexibility is increased without sacrificing stent compression for delivery.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: May 24, 2016
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Stephen D. Ainsworth, Andreina P. Gomez
  • Publication number: 20150294556
    Abstract: An alarm system testing device facilitates simulation of a trouble condition and testing circuit continuity of an alarm system within a structure. The device includes an alarm system comprising an electrical circuit, an alarm, a resistor, and at least one trigger. The alarm is activated by the trigger shorting a positive rail of the electrical circuit to a negative rail. A testing switch has a ground position wherein the positive rail of the electrical circuit is grounded when the testing switch is in the ground position. The resistor is electrically coupled to the testing switch such that positioning the testing switch in a resistor bypass position removes the resistor from the electrical circuit.
    Type: Application
    Filed: April 14, 2014
    Publication date: October 15, 2015
    Inventors: Stephen D. Ainsworth, Larry C. Geoghegan
  • Publication number: 20150150697
    Abstract: The invention provides an improved stent design for repairing vasculature, the stent having rings including struts defining first peaks and second peaks, selected second peaks of adjacent rings being connected by links. The stent design incorporates non-linear links with undulating portions extending generally perpendicular to or circumferentially with respect to a longitudinal axis of the stent and adjacent first peaks with different longitudinal lengths such that stent flexibility is increased without sacrificing stent compression for delivery.
    Type: Application
    Filed: January 22, 2015
    Publication date: June 4, 2015
    Inventors: Stephen D. Ainsworth, Andreina P. Gomez
  • Patent number: 8940038
    Abstract: The invention provides an improved stent design for repairing vasculature, the stent having rings including struts defining first peaks and second peaks, selected second peaks of adjacent rings being connected by links. The stent design incorporates non-linear links with undulating portions extending generally perpendicular to or circumferentially with respect to a longitudinal axis of the stent and adjacent first peaks with different longitudinal lengths such that stent flexibility is increased without sacrificing stent compression for delivery.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: January 27, 2015
    Inventors: Stephen D. Ainsworth, Andreina P. Gomez
  • Publication number: 20140277498
    Abstract: Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for minimally invasively accessing and deploying the implants within the spine. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 18, 2014
    Applicant: Baxano Surgical, Inc.
    Inventors: Stephen D. Ainsworth, Eugene E. Avidano, Leighton J. LaPierre
  • Publication number: 20140277499
    Abstract: Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for percutaneously accessing and deploying the implants within the spines. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 18, 2014
    Applicant: BAXANO SURGICAL, INC.
    Inventors: Stephen D. Ainsworth, Eugene E. Avidano, Leighton J. LaPierre
  • Publication number: 20140236244
    Abstract: Assemblies for implantation across one or more adjacent bones to allow for control of the distance between bone anchors. Control of distance between bone anchors may be provided by one inter-anchor element pushing the pair of bone anchors apart and a second inter-anchor element pulling the pair of bone anchors together. Control of distance between bone anchors may be provided through use of dissimilar thread pitch. Compression of the space between bone anchors through controlled movement of a pair of anchored bone anchors towards one another.
    Type: Application
    Filed: April 24, 2014
    Publication date: August 21, 2014
    Applicant: BAXANO SURGICAL, INC.
    Inventors: Stephen D. Ainsworth, Leighton LaPierre
  • Patent number: 8795167
    Abstract: Minimally invasive surgical techniques including techniques and implants for provision of therapy to a spine from a lateral approach. Implants that may be used with other approaches to the spine are disclosed. Minimally invasive surgical techniques using one or more extended retractors to create an extended access route such as the non-limiting example of lateral access to the spine. Minimally invasive surgical techniques using internal retractors that may be reversibly expanded with a removable retractor inserter to create an extended access route. A linkage jack to expand a set of two or more extended retractors to create an extended access route.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: August 5, 2014
    Assignee: Baxano Surgical, Inc.
    Inventors: Stephen D. Ainsworth, Brandon B. Arthurs, Gary Fleischer, Leighton J. LaPierre, Tung Nguyen, Thomas Matthew Womble
  • Patent number: 8747472
    Abstract: Assemblies for implantation across one or more spinal motion segments to allow for control of the distance between bone anchors. Control of distance between bone anchors may be provided by one inter-anchor element pushing the pair of bone anchors apart and a second inter-anchor element pulling the pair of bone anchors together. Control of distance between bone anchors may be provided through use of dissimilar thread pitch. Compression of intervertebral disc space through controlled movement of a pair of anchored bone anchors towards one another.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: June 10, 2014
    Assignee: Baxano Surgical, Inc.
    Inventors: Stephen D. Ainsworth, Leighton J. LaPierre
  • Publication number: 20140155986
    Abstract: The invention is directed to an expandable stent for implanting in a body lumen, such as a coronary artery, peripheral artery, or other body lumen. The invention provides for a an intravascular stent having a plurality of cylindrical rings connected by undulating links. The stent has a high degree of flexibility in the longitudinal direction, yet has adequate vessel wall coverage and radial strength sufficient to hold open an artery or other body lumen.
    Type: Application
    Filed: May 8, 2013
    Publication date: June 5, 2014
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: Stephen D. Ainsworth, E Tina Cheng, James M. Jacobs
  • Publication number: 20140025117
    Abstract: A spinal implant with associated surgical tools, tool sets and methods for percutaneously accessing and preparing treatment sites within the spine for subsequent treatment procedures. The treatment site may be an inter-vertebral motion segments in the lumbar and sacral regions of the spine. The tool set may comprise introducer tools and bone dilators for accessing and tapping into a targeted site, such as, for example, the anterior surface of the S1 vertebral body. The tool set may also comprise cutters and extractors for preparing the treatment site for subsequent treatment procedures. The tool set may additionally comprise a bone graft inserter, an exchange system, and/or a temporary distraction tool for further preparing the treatment site for subsequent treatment procedures.
    Type: Application
    Filed: September 23, 2013
    Publication date: January 23, 2014
    Applicant: Baxano Surgical, Inc.
    Inventors: Robert L. Assell, Stephen D. Ainsworth, Andrew H. Cragg, Eugene A. Dickhudt
  • Publication number: 20130289354
    Abstract: Minimally invasive surgical techniques including techniques and implants for provision of therapy to a spine from a lateral approach. Implants that may be used with other approaches to the spine are disclosed. Minimally invasive surgical techniques using one or more extended retractors to create an extended access route such as the non-limiting example of lateral access to the spine. Minimally invasive surgical techniques using internal retractors that may be reversibly expanded with a removable retractor inserter to create an extended access route. A linkage jack to expand a set of two or more extended retractors to create an extended access route.
    Type: Application
    Filed: October 23, 2012
    Publication date: October 31, 2013
    Inventors: Stephen D. Ainsworth, Brandon B. Arthurs, Gary Fleischer, Leighton J. LaPierre, Tung Nguyen, Thomas Matthew Womble
  • Patent number: 8523918
    Abstract: Disclosed are methods and apparatus for the provision of spinal therapy to three or more adjacent motion segments accessed through a trans-sacral approach. The spinal therapies include fusion and dynamic stabilization with and without a distraction of the most cephalad motion segment of the two or more adjacent motion segments provided therapy. The disclosure includes methods and apparatus to impart a distraction on a second more caudal motion segment after providing therapy to the more cephalad motion segment.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 3, 2013
    Assignee: Baxano Surgical, Inc.
    Inventors: Stephen D. Ainsworth, Bradley J. Wessman