Patents by Inventor Douglas A. Devens

Douglas A. Devens 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: 20190269535
    Abstract: A central airway stent removal device for use under direct visual observation with a flexible or ridged. The device includes an elongated shaft defining a central lumen configured to receive the endoscope and a hook mechanism attached to a distal end of the elongated shaft. The hook mechanism including a receiving platform extending away from the elongated shaft and a hook element at the distal end of the hook mechanism, the hook element defining a receiving slot having an entrance that opens towards the elongated shaft, in which the receiving slot is configured to receive an end of a stent intended to be removed from a body of a patient.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 5, 2019
    Inventors: Felix Landaeta, Roy Joseph Cho, Douglas A. Devens
  • Patent number: 9956321
    Abstract: A tubular parison for forming a medical device balloon. The parison is formed of a polymeric material, for instance a thermoplastic elastomer. The parison has an elongation at break which is not more than 80% of the elongation of the bulk polymeric material. The elongation of the parison is controlled by altering extrusion conditions. Balloons prepared from the parisons provide higher wall strength and/or higher inflation durability than balloons prepared from conventional parisons of the same material.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: May 1, 2018
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Lixiao Wang, Jeffrey S. Lindquist, Pao Nao Lee, John Jianhua Chen, Douglas A. Devens
  • Publication number: 20180085499
    Abstract: A tubular parison for forming a medical device balloon. The parison is formed of a polymeric material, for instance a thermoplastic elastomer. The parison has an elongation at break which is not more than 80% of the elongation of the bulk polymeric material. The elongation of the parison is controlled by altering extrusion conditions. Balloons prepared from the parisons provide higher wall strength and/or higher inflation durability than balloons prepared from conventional parisons of the same material.
    Type: Application
    Filed: September 29, 2017
    Publication date: March 29, 2018
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Lixiao Wang, Jeffrey S. Lindquist, Nao Pao Lee, John Jianhua Chen, Douglas A. Devens
  • Patent number: 9801981
    Abstract: A tubular parison for forming a medical device balloon. The parison is formed of a polymeric material, for instance a thermoplastic elastomer. The parison has an elongation at break which is not more than 80% of the elongation of the bulk polymeric material. The elongation of the parison is controlled by altering extrusion conditions. Balloons prepared from the parisons provide higher wall strength and/or higher inflation durability than balloons prepared from conventional parisons of the same material.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: October 31, 2017
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Lixiao Wang, John Jianhua Chen, Jeffrey S. Lindquist, Nao Pao Lee, Douglas A. Devens
  • Patent number: 9744016
    Abstract: An incontinence treatment system includes a urethral support extending between a first end and a second end, a first connector attached to the first end of the urethral support and a second connector attached to the second end of the urethral support, and an energy source. At least one of the first connector and the second connector is a cross-linked polymer connector having a glass transition temperature between 40-70 degrees Celsius. In this regard, the cross-linked polymer connector is stretched to provide a stretched cross-linked polymer connector having a product length. The energy source is adapted to provide energy from an extracorporeal location through intact skin to shorten the stretched cross-linked polymer connector to an implant length that is less than the product length.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: August 29, 2017
    Assignee: Coloplast A/S
    Inventors: Michael M. Witzmann, Douglas A. Devens, Jr.
  • Patent number: 9463103
    Abstract: The present invention provides medical devices comprising nanocomposite materials. By utilizing nanocomposites in the production thereof, the inventive medical devices can be produced with various advantageous properties. Methods of producing the inventive medical devices are also provided. Inasmuch as the inventive devices are expected to provide certain advantages in their use, there is also provided a method of medical care including methods of treatment or diagnosis, wherein the inventive devices are brought into therapeutic contact with a body to be treated or diagnosed thereby.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: October 11, 2016
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Edward Parsonage, Daniel J. Horn, John J. Chen, Paul J. Miller, Douglas A. Devens, Jr., Jan Weber
  • Patent number: 9180620
    Abstract: Medical devices, such as medical balloons, and methods of making the devices, are disclosed. In some embodiments, the balloons include a portion, e.g., a layer, that varies in thickness.
    Type: Grant
    Filed: August 21, 2003
    Date of Patent: November 10, 2015
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Douglas A. Devens, Jr., Daniel James Horn
  • Publication number: 20140330202
    Abstract: A tubular parison for forming a medical device balloon. The parison is formed of a polymeric material, for instance a thermoplastic elastomer. The parison has an elongation at break which is not more than 80% of the elongation of the bulk polymeric material. The elongation of the parison is controlled by altering extrusion conditions. Balloons prepared from the parisons provide higher wall strength and/or higher inflation durability than balloons prepared from conventional parisons of the same material.
    Type: Application
    Filed: July 15, 2014
    Publication date: November 6, 2014
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Lixiao Wang, Jeffrey S. Lindquist, Pao Nao Lee, John Jianhua Chen, Douglas A. Devens
  • Publication number: 20140107403
    Abstract: An incontinence treatment system includes a urethral support extending between a first end and a second end, a first connector attached to the first end of the urethral support and a second connector attached to the second end of the urethral support, and an energy source. At least one of the first connector and the second connector is a cross-linked polymer connector having a glass transition temperature between 40-70 degrees Celsius. In this regard, the cross-linked polymer connector is stretched to provide a stretched cross-linked polymer connector having a product length. The energy source is adapted to provide energy from an extracorporeal location through intact skin to shorten the stretched cross-linked polymer connector to an implant length that is less than the product length.
    Type: Application
    Filed: December 19, 2013
    Publication date: April 17, 2014
    Applicant: Coloplast A/S
    Inventors: Michael M. Witzmann, Douglas A. Devens, Jr.
  • Publication number: 20120323301
    Abstract: A tubular parison for forming a medical device balloon. The parison is formed of a polymeric material, for instance a thermoplastic elastomer. The parison has an elongation at break which is not more than 80% of the elongation of the bulk polymeric material. The elongation of the parison is controlled by altering extrusion conditions. Balloons prepared from the parisons provide higher wall strength and/or higher inflation durability than balloons prepared from conventional parisons of the same material.
    Type: Application
    Filed: August 24, 2012
    Publication date: December 20, 2012
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Lixiao Wang, John Jianhua Chen, Jeffrey S. Lindquist, Nao Pao Lee, Douglas A. Devens
  • Patent number: 8298220
    Abstract: The present disclosure is directed to a cryoprobe capable of improving the cooling power of a cryosurgical system. A representative cryoprobe can comprise an inner cooling chamber and a radial chamber, positioned between the inner cooling chamber and an exterior wall of the cryoprobe. Preferably, the radial chamber is formed to have a low thermal conductivity so as to significantly reduce the transfer of heat between the body and the refrigerant in the inner chamber during a cryosurgical procedure. The radial chamber can be fabricated such that a vacuum can be applied to the radial chamber to further reduce heat transfer between the body and the inner cooling chamber. The radial chamber extends partially along the length of the cryoprobe such that inner cooling chamber is in direct thermal contact with the exterior wall at a cryoprobe tip.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: October 30, 2012
    Assignee: CooperSurgical, Inc.
    Inventors: Douglas A. Devens, Jr., David W. Vancelette, Michael W. V. Perkins
  • Patent number: 8298221
    Abstract: A sheath for use with a cryoprobe in a cryosurgical procedure can have an opening at its proximal end configured to be inserted over a tip portion of a cryoprobe. The sheath can be connected to the cryoprobe with an end connector. Sheath can have a tip located at its distal that can have a trocar configuration for tissue penetration. A cylindrical section located inwardly from the tip can have a spiral groove defined on an exterior surface. At least one wire can be disposed within the groove so as to fit within the outer perimeter of the sheath. Wires disposed in grooves can include heating elements and temperature sensing elements. Sheath can further include a graduated catheter located inwardly from the cylindrical section and a handle located inwardly from the graduated catheter.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: October 30, 2012
    Assignee: CooperSurgical, Inc.
    Inventors: David W. Vancelette, Douglas A. Devens, Jr.
  • Publication number: 20120221022
    Abstract: A suture system includes a tool and a suture assembly. The tool includes a head having a proximal portion housing a needle and a distal end spaced apart from the proximal portion by a throat, where the needle is movable through a needle exit port formed in the proximal portion of the head to a cavity formed in the distal end of the head. The suture assembly includes a length of suture connected to a suture cap that includes an annular wall that forms a hollow tubular section, and a tubular sleeve inserted in the annular wall, with an end of the length of suture inserted into and connected to the tubular sleeve. The needle is operable to engage with the hollow tubular section of the suture cap and move the suture cap between the cavity and the needle exit port.
    Type: Application
    Filed: October 7, 2011
    Publication date: August 30, 2012
    Applicant: COLOPLAST A/S
    Inventors: Douglas A. Devens, JR., Allen Gaynor, Pornpimon Ongmorakot, Donald Wolf
  • Publication number: 20120150109
    Abstract: The present invention provides medical devices comprising nanocomposite materials. By utilizing nanocomposites in the production thereof, the inventive medical devices can be produced with various advantageous properties. Methods of producing the inventive medical devices are also provided. Inasmuch as the inventive devices are expected to provide certain advantages in their use, there is also provided a method of medical care including methods of treatment or diagnosis, wherein the inventive devices are brought into therapeutic contact with a body to be treated or diagnosed thereby.
    Type: Application
    Filed: February 22, 2012
    Publication date: June 14, 2012
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Edward Parsonage, Daniel J. Horn, John J. Chen, Paul J. Miller, Douglas A. Devens, JR., Jan Weber
  • Patent number: 8133250
    Abstract: The present invention provides medical devices comprising nanocomposite materials. By utilizing nanocomposites in the production thereof, the inventive medical devices can be produced with various advantageous properties. Methods of producing the inventive medical devices are also provided. Inasmuch as the inventive devices are expected to provide certain advantages in their use, there is also provided a method of medical care including methods of treatment or diagnosis, wherein the inventive devices are brought into therapeutic contact with a body to be treated or diagnosed thereby.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: March 13, 2012
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Edward Parsonage, Daniel J. Horn, John J. Chen, Paul J. Miller, Douglas A. Devens, Jr., Jan Weber
  • Patent number: 8048352
    Abstract: Medical devices and methods of making the devices are described. In some embodiments, the methods include a method of manufacturing a device including a first layer and a second layer, the method including the steps of selecting a material for the second layer, the material having a viscosity value at a shear rate of about 1 s?1 or less and at a selected temperature; selecting a nanocomposite material for the first layer that has a viscosity within about 20% to about 125% of the viscosity value of the material for the second layer; and co-extruding the first and second layers.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: November 1, 2011
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Douglas A. Devens, Jr., Michele Zoromski
  • Patent number: 7815628
    Abstract: A medical device includes at least four layers including a first material and a second material having a different stiffness than a stiffness of the first material, wherein at least one of the layers varies in thickness axially along the device.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: October 19, 2010
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Douglas A. Devens, Jr.
  • Publication number: 20100010440
    Abstract: The present invention provides medical devices comprising nanocomposite materials. By utilizing nanocomposites in the production thereof, the inventive medical devices can be produced with various advantageous properties. Methods of producing the inventive medical devices are also provided. Inasmuch as the inventive devices are expected to provide certain advantages in their use, there is also provided a method of medical care including methods of treatment or diagnosis, wherein the inventive devices are brought into therapeutic contact with a body to be treated or diagnosed thereby.
    Type: Application
    Filed: September 21, 2009
    Publication date: January 14, 2010
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Edward Parsonage, Daniel J. Horn, John J. Chen, Paul J. Miller, Douglas A. Devens, JR., Jan Weber
  • Publication number: 20090267259
    Abstract: Medical devices and methods of making the devices are described. In some embodiments, the devices include multiple layers, and one or more layers can include a nanocomposite material.
    Type: Application
    Filed: February 24, 2009
    Publication date: October 29, 2009
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Douglas A. Devens, JR., Michele Zoromski
  • Patent number: 7591831
    Abstract: The present invention provides medical devices comprising nanocomposite materials. By utilizing nanocomposites in the production thereof, the inventive medical devices can be produced with various advantageous properties. Methods of producing the inventive medical devices are also provided. Inasmuch as the inventive devices are expected to provide certain advantages in their use, there is also provide a method of medical care including methods of treatment or diagnosis, wherein the inventive devices are brought into therapeutic contact with a body to be treated or diagnosed thereby.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: September 22, 2009
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Edward Parsonage, Daniel J. Horn, John J. Chen, Paul J. Miller, Douglas A. Devens, Jr., Jan Weber