Patents by Inventor Dai Ton

Dai Ton 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).

  • Publication number: 20140236209
    Abstract: The invention described is directed to an intracorporeal occluding device having elements with non-traumatic ends and devices, systems and methods for occluding the lumens of anatomical passageways and/or for delivering drugs or other substances to the bodies of human or animal subjects.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 21, 2014
    Applicant: Bayer Essure Inc.
    Inventors: Betsy Swann, Dai Ton, Ashish Khera
  • Patent number: 8707958
    Abstract: The invention described is directed to an intracorporeal occluding device having elements with non-traumatic ends and devices, systems and methods for occluding the lumens of anatomical passageways and/or for delivering drugs or other substances to the bodies of human or animal subjects.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: April 29, 2014
    Assignee: Bayer Essure Inc.
    Inventors: Betsy Swann, Dai Ton, Ashish Khera
  • Publication number: 20130025603
    Abstract: The invention described is directed to an intracorporeal occluding device having elements with non-traumatic ends and devices, systems and methods for occluding the lumens of anatomical passageways and/or for delivering drugs or other substances to the bodies of human or animal subjects.
    Type: Application
    Filed: August 1, 2012
    Publication date: January 31, 2013
    Inventors: Betsy Swann, Dai Ton, Ashish Khera
  • Patent number: 8235047
    Abstract: The invention described is directed to an intracorporeal occluding device having elements with non-traumatic ends and devices, systems and methods for occluding the lumens of anatomical passageways and/or for delivering drugs or other substances to the bodies of human or animal subjects.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: August 7, 2012
    Assignee: Conceptus, Inc.
    Inventors: Betsy Swann, Dai Ton, Ashish Khera
  • Patent number: 8066007
    Abstract: The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or a copper alloy. The device is anchored within the fallopian tube by imposing a secondary shape on a resilient structure, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. The resilient structure is then restrained by the walls of the fallopian tube, imposing anchoring forces as it tries to resume the secondary shape.
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: November 29, 2011
    Assignee: Conceptus, Inc.
    Inventors: Julian Nikolchev, Dai Ton, Amy Thurmond
  • Patent number: 7428904
    Abstract: The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or a copper alloy. The device is anchored within the fallopian tube by imposing a secondary shape on a resilient structure, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. The resilient structure is then restrained by the walls of the fallopian tube, imposing anchoring forces as it tries to resume the secondary shape.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: September 30, 2008
    Assignee: Alien Technology Corporation
    Inventors: Julian Nikolchev, Dai Ton, Amy Thurmond
  • Publication number: 20070227544
    Abstract: The invention described is directed to an intracorporeal occluding device having elements with non-traumatic ends and devices, systems and methods for occluding the lumens of anatomical passageways and/or for delivering drugs or other substances to the bodies of human or animal subjects.
    Type: Application
    Filed: March 30, 2006
    Publication date: October 4, 2007
    Inventors: Betsy Swann, Dai Ton, Ashish Khera
  • Patent number: 7237552
    Abstract: Contraceptive methods, systems, and devices generally improve the ease, speed, and reliability with which a contraceptive device can be deployed transcervically into an ostium of a fallopian tube. A distal portion of the contraceptive device can function as a guidewire. The proximal portion may remain in a small profile configuration while a sheath is withdrawn proximally, and is thereafter expanded to a large profile configuration engaging the surrounding tissues.
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: July 3, 2007
    Assignee: Conceptus, Inc.
    Inventors: Ashish Khera, Don Gurskis, Dai Ton That, Betsy Swann, Steven Bacich
  • Publication number: 20070144528
    Abstract: The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or a copper alloy. The device is anchored within the fallopian tube by imposing a secondary shape on a resilient structure, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. The resilient structure is then restrained by the walls of the fallopian tube, imposing anchoring forces as it tries to resume the secondary shape.
    Type: Application
    Filed: February 26, 2007
    Publication date: June 28, 2007
    Inventors: Julian Nikolchev, Dai Ton, Amy Thurmond
  • Publication number: 20070062542
    Abstract: The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or a copper alloy. The device is anchored within the fallopian tube by a lumen-traversing region of the resilient structure which has a helical outer surface, together with a portion of the resilient structure which is biased to form a bent secondary shape, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. Optionally, permanent sterilization is effected by passing a current through the resilient structure to the tubal walls.
    Type: Application
    Filed: November 20, 2006
    Publication date: March 22, 2007
    Inventors: Julian Nikolchev, Dai Ton, Ashish Khera, Donnell Gurskis, Steven Bacich
  • Publication number: 20070044808
    Abstract: The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or a copper alloy. The device is anchored within the fallopian tube by imposing a secondary shape on a resilient structure, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. The resilient structure is then restrained by the walls of the fallopian tube, imposing anchoring forces as it tries to resume the secondary shape.
    Type: Application
    Filed: July 31, 2006
    Publication date: March 1, 2007
    Applicant: CONCEPTUS, INC., a California corporation
    Inventors: Julian Nikolchev, Dai Ton, Amy Thurmond
  • Publication number: 20070043419
    Abstract: Medical devices (100) and methods for delivery or implantation of prostheses (106) within hollow body organs and vessels (600) or other luminal anatomy are disclosed. The subject technologies may be used in the treatment of atherosclerosis in stenting procedures or for other purposes.
    Type: Application
    Filed: March 23, 2004
    Publication date: February 22, 2007
    Applicant: CARDIOMIND, INC.
    Inventors: Julian Nikolchev, Dai Ton, William George, Nicholas Debeer
  • Publication number: 20070000496
    Abstract: The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or a copper alloy. The device is anchored within the fallopian tube by a lumen-traversing region of the resilient structure which has a helical outer surface, together with a portion of the resilient structure which is biased to form a bent secondary shape, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. Optionally, permanent sterilization is effected by passing a current through the resilient structure to the tubal walls.
    Type: Application
    Filed: August 31, 2006
    Publication date: January 4, 2007
    Inventors: Julian Nikolchev, Dai Ton, Ashish Khera, Donnell Gurskis, Steven Bacich
  • Publication number: 20060144406
    Abstract: The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or a copper alloy. The device is anchored within the fallopian tube by a lumen-traversing region of the resilient structure which has a helical outer surface, together with a portion of the resilient structure which is biased to form a bent secondary shape, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. Optionally, permanent sterilization is effected by passing a current through the resilient structure to the tubal walls.
    Type: Application
    Filed: March 2, 2006
    Publication date: July 6, 2006
    Inventors: Julian Nikolchev, Dai Ton, Ashish Khera, Donnell Gurskis, Steven Bacich
  • Publication number: 20060111771
    Abstract: Medical devices and methods for delivery or implantation of tubular prostheses within hollow body organs and vessels or other luminal anatomy are disclosed. A prosthesis is held in a compressed from upon an inner wire of a delivery guide by twisting the device. The subject technologies may be used in the treatment of atherosclerosis in stenting procedures or for other purposes.
    Type: Application
    Filed: November 2, 2005
    Publication date: May 25, 2006
    Inventors: Dai Ton, William George, David Licata
  • Publication number: 20050209675
    Abstract: Medical device and methods for delivery or implantation of prostheses within hollow body organs and vessels or other luminal anatomy are disclosed. The subject technologies may be used in the treatment of atherosclerosis in stenting procedures. For such purposes, a self-expanding stent is deployed in connection with an angioplasty procedure with a corewire actuated delivery system having a fixed distal stent-carrying extension. Withdrawal of the corewire retracts a restraint freeing the stent from a collapsed state, whereupon the stent assumes an expanded configuration set in apposition to the interior surface of a vessel lumen in order to help maintain the vessel open.
    Type: Application
    Filed: November 18, 2004
    Publication date: September 22, 2005
    Inventors: Dai Ton, Julian Nikolchev, Nicholas Debeer, William George
  • Publication number: 20050209670
    Abstract: Medical device and methods for delivery or implantation of prostheses within hollow body organs and vessels or other luminal anatomy are disclosed. The subject technologies may be used in the treatment of atherosclerosis in stenting procedures. For such purposes, a self-expanding stent may be deployed in connection with an angioplasty procedure with a stent delivery system having a diameter adaptive restraint. Upon withdrawal of the restraint, the stent is freed, while the restraint or connections thereto assumes a reduced diameter within a tubular body of the delivery guide.
    Type: Application
    Filed: March 2, 2004
    Publication date: September 22, 2005
    Inventors: William George, Julian Nikolchev, Nicholas De Beer, Dai Ton, Frank Becking
  • Publication number: 20050209671
    Abstract: Medical device and methods for delivery or implantation of prostheses within hollow body organs and vessels or other luminal anatomy are disclosed. The subject technologies may be used in the treatment of atherosclerosis in stenting procedures. For such purposes, a self-expanding stent is deployed in connection with an angioplasty procedure with a corewire actuated delivery system having a fixed distal stent-carrying extension. Withdrawal of the corewire retracts a restraint freeing the sent from a collapsed state, whereupon the stent assumes an expanded configuration set in apposition to the interior surface of a vessel lumen in order to help maintain the vessel open.
    Type: Application
    Filed: March 2, 2004
    Publication date: September 22, 2005
    Inventors: Dai Ton, Julian Nikolchev, Nicholas Debeer, William George
  • Publication number: 20050209672
    Abstract: Medical device and methods for delivery or implantation of prostheses within hollow body organs and vessels or other luminal anatomy are disclosed. The subject technologies may be used in the treatment of atherosclerosis in stenting procedures. For such purposes, a self-expanding stent may be deployed in connection with an angioplasty procedure with a sliding restraint based delivery system adapted for simplified use. In the system, the sliding restraint is sized, in coordination with a fixed sleeve accepting a core wire to actuate the restraint to effect an anchoring function with the sleeve so that the stent is not inadvertently advanced during deployment.
    Type: Application
    Filed: March 2, 2004
    Publication date: September 22, 2005
    Inventors: William George, Jean Chang, Dai Ton, Nicholas De Beer, Julian Nikolchev, Frank Becking
  • Publication number: 20050172972
    Abstract: The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or a copper alloy. The device is anchored within the fallopian tube by a lumen-traversing region of the resilient structure which has a helical outer surface, together with a portion of the resilient structure which is biased to form a bent secondary shape, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. Optionally, permanent sterilization is effected by passing a current through the resilient structure to the tubal walls.
    Type: Application
    Filed: April 15, 2005
    Publication date: August 11, 2005
    Applicant: Conceptus, Inc.
    Inventors: Julian Nikolchev, Dai Ton, Ashish Khera, Donnell Gurskis, Steven Bacich