Patents Assigned to RA MEDICAL SYSTEMS, INC.
  • Laser ablation catheters having expanded distal tip windows for efficient tissue ablation
    Patent number: 11284941
    Abstract: Laser ablation catheters and methods of using same for efficient tissue ablation are disclosed. In some cases, laser ablation catheter embodiments may include expanded distal tips that allow for beam energy expansion and reduce dead space at the distal cutting surface of the laser ablation catheter.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: March 29, 2022
    Assignee: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. Laudenslager, Dean S. Irwin
  • Liquid filled ablation catheter with overjacket
    Patent number: 11147616
    Abstract: Outer jacket embodiments for reinforcing liquid core laser ablation catheter embodiments discussed herein may be used to improve the robustness of the laser ablation catheter embodiments. Method embodiments for making reinforced laser ablation catheters having outer jackets are also discussed.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: October 19, 2021
    Assignee: RA MEDICAL SYSTEMS, INC.
    Inventors: Zachary Wood, James B. Laudenslager
  • Small flexible liquid core catheter for laser ablation in body lumens and methods for use
    Patent number: 11123458
    Abstract: Embodiments relate to the design and use of a low profile ablation catheter with a liquid core for use in laser ablation removal of arterial plaque blockages to restore blood flow.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: September 21, 2021
    Assignee: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. Laudenslager, Dean S. Irwin, Cesar Diaz
  • Methods and devices for treatment of stenosis of arteriovenous fistula shunts
    Patent number: 11020570
    Abstract: Devices and methods are discussed directed to the use of a low profile laser ablation catheter for use in laser ablation removal of arterial plaque blockages to restore blood flow in the treatment of arteriovenous fistulas. Also discussed are devices and methods directed to packaging, long term storage and sterilization of liquid core ablation catheters.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: June 1, 2021
    Assignee: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. Laudenslager, Dean S. Irwin
  • Laser ablation catheters having expanded distal tip windows for efficient tissue ablation
    Patent number: 10555772
    Abstract: Laser ablation catheters and methods of using same for efficient tissue ablation are disclosed. In some cases, laser ablation catheter embodiments may include expanded distal tips that allow for beam energy expansion and reduce dead space at the distal cutting surface of the laser ablation catheter.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: February 11, 2020
    Assignee: Ra Medical Systems, Inc.
    Inventors: James B. Laudenslager, Dean S. Irwin
  • METHODS AND DEVICES FOR TREATMENT OF STENOSIS OF ARTERIOVENOUS FISTULA SHUNTS
    Publication number: 20190336732
    Abstract: Devices and methods are discussed directed to the use of a low profile laser ablation catheter for use in laser ablation removal of arterial plaque blockages to restore blood flow in the treatment of arteriovenous fistulas. Also discussed are devices and methods directed to packaging, long term storage and sterilization of liquid core ablation catheters.
    Type: Application
    Filed: July 3, 2019
    Publication date: November 7, 2019
    Applicant: Ra Medical Systems, Inc.
    Inventors: James B. LAUDENSLAGER, Dean S. IRWIN
  • LIQUID FILLED ABLATION CATHETER WITH OVERJACKET
    Publication number: 20190290356
    Abstract: Outer jacket embodiments for reinforcing liquid core laser ablation catheter embodiments discussed herein may be used to improve the robustness of the laser ablation catheter embodiments. Method embodiments for making reinforced laser ablation catheters having outer jackets are also discussed.
    Type: Application
    Filed: March 20, 2019
    Publication date: September 26, 2019
    Applicant: Ra Medical Systems, Inc.
    Inventors: Zachary WOOD, James B. LAUDENSLAGER
  • Methods and devices for treatment of stenosis of arteriovenous fistula shunts
    Patent number: 10384038
    Abstract: Devices and methods are discussed directed to the use of a low profile laser ablation catheter for use in laser ablation removal of arterial plaque blockages to restore blood flow in the treatment of arteriovenous fistulas. Also discussed are devices and methods directed to packaging, long term storage and sterilization of liquid core ablation catheters.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: August 20, 2019
    Assignee: Ra Medical Systems, Inc.
    Inventors: James B. Laudenslager, Dean S. Irwin
  • Methods and devices for treatment of stenosis of arteriovenous fistula shunts
    Patent number: 10322266
    Abstract: Devices and methods are discussed directed to the use of a low profile laser ablation catheter for use in laser ablation removal of arterial plaque blockages to restore blood flow in the treatment of arteriovenous fistulas. Also discussed are devices and methods directed to packaging, long term storage and sterilization of liquid core ablation catheters.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: June 18, 2019
    Assignee: Ra Medical Systems, Inc.
    Inventors: James B. Laudenslager, Dean S. Irwin
  • Package for extended shelf life of liquid core catheters
    Patent number: 10245417
    Abstract: Devices and methods are discussed directed to the use of a low profile laser ablation catheter for use in laser ablation removal of arterial plaque blockages to restore blood flow in the treatment of arteriovenous fistulas. Also discussed are devices and methods directed to packaging, long term storage and sterilization of liquid core ablation catheters.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: April 2, 2019
    Assignee: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. Laudenslager, Dean S. Irwin
  • Methods and devices for treatment of stenosis of arteriovenous fistula shunts
    Patent number: 9962527
    Abstract: Devices and methods are discussed directed to the use of a low profile laser ablation catheter for use in laser ablation removal of arterial plaque blockages to restore blood flow in the treatment of arteriovenous fistulas. Also discussed are devices and methods directed to packaging, long term storage and sterilization of liquid core ablation catheters.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: May 8, 2018
    Assignee: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. Laudenslager, Dean S. Irwin
  • DEVICES FOR EXTENDED SHELF LIFE OF LIQUID CORE CATHETERS
    Publication number: 20180021550
    Abstract: Devices and methods are discussed directed to the use of a low profile laser ablation catheter for use in laser ablation removal of arterial plaque blockages to restore blood flow in the treatment of arteriovenous fistulas. Also discussed are devices and methods directed to packaging, long term storage and sterilization of liquid core ablation catheters.
    Type: Application
    Filed: October 2, 2017
    Publication date: January 25, 2018
    Applicant: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. LAUDENSLAGER, Dean S. IRWIN
  • METHODS AND DEVICES FOR TREATMENT OF STENOSIS OF ARTERIOVENOUS FISTULA SHUNTS
    Publication number: 20180021552
    Abstract: Devices and methods are discussed directed to the use of a low profile laser ablation catheter for use in laser ablation removal of arterial plaque blockages to restore blood flow in the treatment of arteriovenous fistulas. Also discussed are devices and methods directed to packaging, long term storage and sterilization of liquid core ablation catheters.
    Type: Application
    Filed: October 2, 2017
    Publication date: January 25, 2018
    Applicant: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. LAUDENSLAGER, Dean S. IRWIN
  • METHODS AND DEVICES FOR TREATMENT OF STENOSIS OF ARTERIOVENOUS FISTULA SHUNTS
    Publication number: 20180021551
    Abstract: Devices and methods are discussed directed to the use of a low profile laser ablation catheter for use in laser ablation removal of arterial plaque blockages to restore blood flow in the treatment of arteriovenous fistulas. Also discussed are devices and methods directed to packaging, long term storage and sterilization of liquid core ablation catheters.
    Type: Application
    Filed: October 2, 2017
    Publication date: January 25, 2018
    Applicant: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. LAUDENSLAGER, Dean S. IRWIN
  • SMALL FLEXIBLE LIQUID CORE CATHETER FOR LASER ABLATION IN BODY LUMENS AND METHODS FOR USE
    Publication number: 20170266351
    Abstract: Embodiments relate to the design and use of a low profile ablation catheter with a liquid core for use in laser ablation removal of arterial plaque blockages to restore blood flow.
    Type: Application
    Filed: June 6, 2017
    Publication date: September 21, 2017
    Applicant: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. LAUDENSLAGER, Dean S. IRWIN, Cesar DIAZ
  • Small flexible liquid core catheter for laser ablation in body lumens and methods for use
    Patent number: 9700655
    Abstract: Embodiments relate to the design and use of a low profile ablation catheter with a liquid core for use in laser ablation removal of arterial plaque blockages to restore blood flow.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: July 11, 2017
    Assignee: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. Laudenslager, Dean S. Irwin, Cesar M. Diaz
  • LASER ABLATION CATHETERS HAVING EXPANDED DISTAL TIP WINDOWS FOR EFFICIENT TISSUE ABLATION
    Publication number: 20170143424
    Abstract: Laser ablation catheters and methods of using same for efficient tissue ablation are disclosed. In some cases, laser ablation catheter embodiments may include expanded distal tips that allow for beam energy expansion and reduce dead space at the distal cutting surface of the laser ablation catheter.
    Type: Application
    Filed: November 22, 2016
    Publication date: May 25, 2017
    Applicant: RA MEDICAL SYSTEMS, INC.
    Inventors: James B. LAUDENSLAGER, Dean S. IRWIN