Patents by Inventor Raleigh Purtzer

Raleigh Purtzer 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: 11806488
    Abstract: Shapeable guide wire devices and methods for their manufacture. Guide wire devices include an elongate shaft member having a shapeable distal end section that is formed from a linear pseudoelastic nickel-titanium (Ni—Ti) alloy that has linear pseudoelastic behavior without a phase transformation or onset of stress-induced martensite. Linear pseudoelastic Ni—Ti alloy, which is distinct from non-linear pseudoelastic (i.e., superelastic) Ni—Ti alloy, is highly durable, corrosion resistant, and has high stiffness. The shapeable distal end section is shapeable by a user to facilitate guiding the guide wire through tortuous anatomy. In addition, linear pseudoelastic Ni—Ti alloy is more durable tip material than other shapeable tip materials such as stainless steel.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: November 7, 2023
    Assignee: Abbott Cardiovascular Systems, Inc.
    Inventor: Raleigh A. Purtzer
  • Publication number: 20230347116
    Abstract: A balloon catheter is described having a reinforced, co-axial, duel lumen design. In some embodiments, the balloon catheter includes a purging mechanism designed to purge air from the balloon.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Applicant: MicroVention, Inc.
    Inventors: Roland Guyon, Nelson Peralta, Raleigh Purtzer
  • Publication number: 20230302261
    Abstract: Shapeable guide wire devices and methods for their manufacture. Guide wire devices include an elongate shaft member having a shapeable distal end section that is formed from a linear pseudoelastic nickel-titanium (Ni—Ti) alloy that has linear pseudoelastic behavior without a phase transformation or onset of stress-induced martensite. Linear pseudoelastic Ni—Ti alloy, which is distinct from non-linear pseudoelastic (i.e., superelastic) Ni—Ti alloy, is highly durable, corrosion resistant, and has high stiffness. The shapeable distal end section is shapeable by a user to facilitate guiding the guide wire through tortuous anatomy. In addition, linear pseudoelastic Ni—Ti alloy is more durable tip material than other shapeable tip materials such as stainless steel.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 28, 2023
    Inventor: Raleigh A. Purtzer
  • Patent number: 11738182
    Abstract: A balloon catheter is described having a reinforced, co-axial, duel lumen design. In some embodiments, the balloon catheter includes a purging mechanism designed to purge air from the balloon.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: August 29, 2023
    Assignee: MicroVention, Inc.
    Inventors: Roland Guyon, Nelson Peralta, Raleigh Purtzer
  • Publication number: 20230140407
    Abstract: The present disclosure provides various medical devices, electronic devices, systems, and related methods. In various embodiments, an electronic device may be selectively coupled to, and removable from, a medical device. The coupling may include physical coupling, electrical coupling, or both. In one embodiment, an electronic device is configured for coupling with a hemostasis valve. The electronic device may provide power and/or data connections for an elongated flexible instrument passing through the hemostasis valve, for a sensor associated with the valve, or both. In another embodiment, the electronic device may be selectively and directly coupled with an elongated flexible instrument for power and/or communication with associated electrical components.
    Type: Application
    Filed: November 2, 2022
    Publication date: May 4, 2023
    Inventors: John Samawi, Raleigh Purtzer, Gary J. Baldwin, Nathan Knighton, John R. Durham, Peter Liao, Richard J. Linder
  • Publication number: 20200353230
    Abstract: A balloon catheter is described having a reinforced, co-axial, duel lumen design. In some embodiments, the balloon catheter includes a purging mechanism designed to purge air from the balloon.
    Type: Application
    Filed: July 27, 2020
    Publication date: November 12, 2020
    Applicant: MicroVention, Inc.
    Inventors: Roland Guyon, Nelson Peralta, Raleigh Purtzer
  • Patent number: 10786659
    Abstract: A balloon catheter is described having a reinforced, co-axial, duel lumen design. In some embodiments, the balloon catheter includes a purging mechanism designed to purge air from the balloon.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: September 29, 2020
    Assignee: MicroVention, Inc.
    Inventors: Roland Guyon, Nelson Peralta, Raleigh Purtzer
  • Publication number: 20170348514
    Abstract: A balloon catheter is described having a reinforced, co-axial, duel lumen design. In some embodiments, the balloon catheter includes a purging mechanism designed to purge air from the balloon.
    Type: Application
    Filed: May 25, 2017
    Publication date: December 7, 2017
    Applicant: MicroVention, Inc.
    Inventors: Roland Guyon, Nelson Peralta, Raleigh Purtzer
  • Publication number: 20170333683
    Abstract: Shapeable guide wire devices and methods for their manufacture. Guide wire devices include an elongate shaft member having a shapeable distal end section that is formed from a linear pseudoelastic nickel-titanium (Ni—Ti) alloy that has linear pseudoelastic behavior without a phase transformation or onset of stress-induced martensite. Linear pseudoelastic Ni—Ti alloy, which is distinct from non-linear pseudoelastic (i.e., superelastic) Ni—Ti alloy, is highly durable, corrosion resistant, and has high stiffness. The shapeable distal end section is shapeable by a user to facilitate guiding the guide wire through tortuous anatomy. In addition, linear pseudoelastic Ni—Ti alloy is more durable tip material than other shapeable tip materials such as stainless steel.
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Inventor: Raleigh A. Purtzer
  • Patent number: 9724494
    Abstract: Shapeable guide wire devices and methods for their manufacture. Guide wire devices include an elongate shaft member having a shapeable distal end section that is formed from a linear pseudoelastic nickel-titanium (Ni—Ti) alloy that has linear pseudoelastic behavior without a phase transformation or onset of stress-induced martensite. Linear pseudoelastic Ni—Ti alloy, which is distinct from non-linear pseudoelastic (i.e., superelastic) Ni—Ti alloy, is highly durable, corrosion resistant, and has high stiffness. The shapeable distal end section is shapeable by a user to facilitate guiding the guide wire through tortuous anatomy. In addition, linear pseudoelastic Ni—Ti alloy is more durable tip material than other shapeable tip materials such as stainless steel.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: August 8, 2017
    Assignee: ABBOTT CARDIOVASCULAR SYSTEMS, INC.
    Inventor: Raleigh A. Purtzer
  • Publication number: 20150094690
    Abstract: A method of making a core metal element for a medical guidewire comprising providing a wire of nickel titanium alloy having a length that includes a proximal portion having a first diameter and a distal portion having a second diameter. Applying cold work to the distal portion and not applying cold work to the proximal portion, thereby imparting to the distal portion a third diameter that is smaller than the second diameter; and then applying a reducing process to the wire whereby the proximal portion is reduced to have a fourth diameter that is less than the first diameter.
    Type: Application
    Filed: September 30, 2013
    Publication date: April 2, 2015
    Applicant: Abbott Cardiovasular Systems Inc.
    Inventors: John A. Simpson, Raleigh A. Purtzer, Matthew J. Gillick
  • Publication number: 20150045695
    Abstract: Intraluminal guide wires including at least a portion thereof fabricated from a non-super-elastic cobalt-chromium alloy that exhibits improved elasticity, while maintaining a relatively high yield strength, as compared to conventionally employed non-super-elastic cobalt-chromium alloys. The guide wire may include an elongate core wire having a distal end and a proximal end, wherein at least a portion of the elongate core wire is fabricated from a cobalt-chromium alloy having a Young's modulus that is 150 GPa or less while having a yield strength that is at least 280 ksi.
    Type: Application
    Filed: August 6, 2013
    Publication date: February 12, 2015
    Inventors: John A. Simpson, Raleigh A. Purtzer
  • Patent number: 8905946
    Abstract: A guide wire for use in a medical procedure having a shapeable tip integral with and made from the distal end of a superelastic nitinol distal section of the guide wire, wherein the shapeable tip can be finger kinked. Such a guide wire includes an elongated core made from a superelastic nitinol alloy at the distal end, the distal end of the elongated core having a tapered section leading to a shapeable distal tip. The shapeable tip is an extension of the distal end of the nitinol distal section, and includes permanent strain hardening from at least two different radial directions imparting crystallographic texture in the radial directions that eliminate superelasticity so that permanent deformation can be achieved with finger pressure.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: December 9, 2014
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: William J. Boyle, Wayne E. Cornish, Raleigh A. Purtzer
  • Publication number: 20140190230
    Abstract: A guide wire for use in a medical procedure having a shapeable tip integral with and made from the distal end of a superelastic nitinol distal section of the guide wire, wherein the shapeable tip can be finger kinked. Such a guide wire includes an elongated core made from a superelastic nitinol alloy at the distal end, the distal end of the elongated core having a tapered section leading to a shapeable distal tip. The shapeable tip is an extension of the distal end of the nitinol distal section, and includes permanent strain hardening from at least two different radial directions imparting crystallographic texture in the radial directions that eliminate superelasticity so that permanent deformation can be achieved with finger pressure.
    Type: Application
    Filed: March 13, 2014
    Publication date: July 10, 2014
    Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.
    Inventors: William J. Boyle, Wayne E. Cornish, Raleigh A. Purtzer
  • Patent number: 8679035
    Abstract: A guide wire for use in a medical procedure having a shapeable tip integral with and made from the distal end of a superelastic nitinol distal section of the guide wire, wherein the shapeable tip can be finger kinked. Such a guide wire includes an elongated core made from a superelastic nitinol alloy at the distal end, the distal end of the elongated core having a tapered section leading to a shapeable distal tip. The shapeable tip is an extension of the distal end of the nitinol distal section, and includes permanent strain hardening from at least two different radial directions imparting crystallographic texture in the radial directions that eliminate superelasticity so that permanent deformation can be achieved with finger pressure.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: March 25, 2014
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: William J. Boyle, Wayne E. Cornish, Raleigh A. Purtzer
  • Publication number: 20130333430
    Abstract: A guide wire for use in a medical procedure having a shapeable tip integral with and made from the distal end of a superelastic nitinol distal section of the guide wire, wherein the shapeable tip can be finger kinked. Such a guide wire includes an elongated core made from a superelastic nitinol alloy at the distal end, the distal end of the elongated core having a tapered section leading to a shapeable distal tip. The shapeable tip is an extension of the distal end of the nitinol distal section, and includes permanent strain hardening from at least two different radial directions imparting crystallographic texture in the radial directions that eliminate superelasticity so that permanent deformation can be achieved with finger pressure.
    Type: Application
    Filed: July 30, 2013
    Publication date: December 19, 2013
    Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.
    Inventors: William J. Boyle, Wayne E. Cornish, Raleigh A. Purtzer
  • Patent number: 8500658
    Abstract: A guide wire for use in a medical procedure having a shapeable tip integral with and made from the distal end of a superelastic nitinol distal section of the guide wire, wherein the shapeable tip can be finger kinked. Such a guide wire includes an elongated core made from a superelastic nitinol alloy at the distal end, the distal end of the elongated core having a tapered section leading to a shapeable distal tip. The shapeable tip is an extension of the distal end of the nitinol distal section, and includes permanent strain hardening from at least two different radial directions imparting crystallographic texture in the radial directions that eliminate superelasticity so that permanent deformation can be achieved with finger pressure.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: August 6, 2013
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: William J. Boyle, Wayne E. Cornish, Raleigh A. Purtzer
  • Publication number: 20130006149
    Abstract: Shapeable guide wire devices and methods for their manufacture. Guide wire devices include an elongate shaft member having a shapeable distal end section that is formed from a linear pseudoelastic nickel-titanium (Ni—Ti) alloy that has linear pseudoelastic behavior without a phase transformation or onset of stress-induced martensite. Linear pseudoelastic Ni—Ti alloy, which is distinct from non-linear pseudoelastic (i.e., superelastic) Ni—Ti alloy, is highly durable, corrosion resistant, and has high stiffness. The shapeable distal end section is shapeable by a user to facilitate guiding the guide wire through tortuous anatomy. In addition, linear pseudoelastic Ni—Ti alloy is more durable tip material than other shapeable tip materials such as stainless steel.
    Type: Application
    Filed: June 29, 2011
    Publication date: January 3, 2013
    Applicant: ABBOTT CARDIOVASCULAR SYSTEMS
    Inventor: Raleigh A. Purtzer
  • Publication number: 20120109108
    Abstract: A guide wire for use in a medical procedure having a shapeable tip integral with and made from the distal end of a superelastic nitinol distal section of the guide wire, wherein the shapeable tip can be finger kinked. Such a guide wire includes an elongated core made from a superelastic nitinol alloy at the distal end, the distal end of the elongated core having a tapered section leading to a shapeable distal tip. The shapeable tip is an extension of the distal end of the nitinol distal section, and includes permanent strain hardening from at least two different radial directions imparting crystallographic texture in the radial directions that eliminate superelasticity so that permanent deformation can be achieved with finger pressure.
    Type: Application
    Filed: October 28, 2010
    Publication date: May 3, 2012
    Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.
    Inventors: William J. Boyle, Wayne E. Cornish, Raleigh A. Purtzer
  • Publication number: 20120041342
    Abstract: A guide wire for intra-luminal advancement of a medical device within a patient has an elongate core member with a flexible body member disposed on a distal section. The distal tip of the guide wire is cold worked by reducing the cross-sectional area of the distal tip so that the superelastic properties of the distal tip are transformed to pseudoelastic properties thereby allowing the distal tip to be more shapeable.
    Type: Application
    Filed: August 16, 2010
    Publication date: February 16, 2012
    Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.
    Inventor: Raleigh A. Purtzer