Patents by Inventor Sarah Cumming
Sarah Cumming 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).
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Steerable catheter using flat pull wires and having torque transfer layer made of braided flat wires
Patent number: 10912923Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly may also be provided in the outer layer, and may be formed by braiding a plurality of flat wires into a wire mesh. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.Type: GrantFiled: October 4, 2018Date of Patent: February 9, 2021Assignee: St. Jude Medical, Atrial Fibrillation Division, Inc.Inventors: Wayne Heideman, Allan M. Fuentes, Richard E. Stehr, Sarah Cumming, Mark Dustrude -
Steerable Catheter Using Flat Pull Wires and Having Torque Transfer Layer Made of Braided Flat Wires
Publication number: 20190030284Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly may also be provided in the outer layer, and may be formed by braiding a plurality of flat wires into a wire mesh. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.Type: ApplicationFiled: October 4, 2018Publication date: January 31, 2019Inventors: Wayne Heideman, Allan M. Fuentes, Richard E. Stehr, Sarah Cumming, Mark Dustrude -
Steerable catheter using flat pull wires and having torque transfer layer made of braided flat wires
Patent number: 10099036Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly may also be provided in the outer layer, and may be formed by braiding a plurality of flat wires into a wire mesh. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.Type: GrantFiled: May 21, 2014Date of Patent: October 16, 2018Assignee: St. Jude Medical, Atrial Fibrillation Division, Inc.Inventors: Wayne Heideman, Allan M. Fuentes, Richard E. Stehr, Sarah Cumming, Mark Dustrude -
Steerable Catheter Using Flat Pull Wires and Having Torque Transfer Layer Made of Braided Flat Wires
Publication number: 20140303599Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly may also be provided in the outer layer, and may be formed by braiding a plurality of flat wires into a wire mesh. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.Type: ApplicationFiled: May 21, 2014Publication date: October 9, 2014Applicant: St. Jude Medical, Atrial Fibrillation Division, Inc.Inventors: Wayne Heideman, Allan M. Fuentes, Richard E. Stehr, Sarah Cumming, Mark Dustrude -
Steerable catheter using flat pull wires and having torque transfer layer made of braided flat wires
Patent number: 8734699Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly may also be provided in the outer layer, and may be formed by braiding a plurality of flat wires into a wire mesh. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.Type: GrantFiled: August 23, 2010Date of Patent: May 27, 2014Assignee: St. Jude Medical, Atrial Fibrillation Division, Inc.Inventors: Wayne Heideman, Allan M. Fuentes, Richard E. Stehr, Sarah Cumming, Mark Dustrude -
Patent number: 8603066Abstract: The instant invention relates generally to catheters and to introducer catheters used to help deliver catheters or other medical devices to locations within the human body. In particular, the instant invention relates to large diameter catheters and introducer catheters having a torque transfer layer that includes at least two flat wires braided into a wire mesh. The flat wires have a width of at least about 0.007 inches and a depth of at least about 0.003 inches. The lumen diameter of the catheter is at least about 6 French. The torque transfer layer provides increased strength, flexibility, and kink resistance.Type: GrantFiled: March 8, 2011Date of Patent: December 10, 2013Assignee: St. Jude Medical, Atrial Fibrillation Division, Inc.Inventors: Wayne Heidman, Allan Fuentes, Richard E. Stehr, Sarah Cumming
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Publication number: 20110154640Abstract: The instant invention relates generally to catheters and to introducer catheters used to help deliver catheters or other medical devices to locations within the human body. In particular, the instant invention relates to large diameter catheters and introducer catheters having a torque transfer layer that includes at least two flat wires braided into a wire mesh. The flat wires have a width of at least about 0.007 inches and a depth of at least about 0.003 inches. The lumen diameter of the catheter is at least about 6 French. The torque transfer layer provides increased strength, flexibility, and kink resistance.Type: ApplicationFiled: March 8, 2011Publication date: June 30, 2011Inventors: Wayne HEIDEMAN, Allan Fuentes, Richard E. Stehr, Sarah Cumming
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Patent number: 7914515Abstract: The instant invention relates generally to catheters and to introducer catheters used to help deliver catheters or other medical devices to locations within the human body. In particular, the instant invention relates to large diameter catheters and introducer catheters having a torque transfer layer that includes at least two flat wires braided into a wire mesh. The flat wires have a width of at least about 0.007 inches and a depth of at least about 0.003 inches. The lumen diameter of the catheter is at least about 6 French. The torque transfer layer provides increased strength, flexibility, and kink resistance.Type: GrantFiled: July 18, 2007Date of Patent: March 29, 2011Assignee: St. Jude Medical, Atrial Fibrillation Division, Inc.Inventors: Wayne Heideman, Allan Fuentes, Richard E. Stehr, Sarah Cumming
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Steerable Catheter Using Flat Pull Wires and Having Torque Transfer Layer Made of Braided Flat Wires
Publication number: 20100314031Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly may also be provided in the outer layer, and may be formed by braiding a plurality of flat wires into a wire mesh. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.Type: ApplicationFiled: August 23, 2010Publication date: December 16, 2010Inventors: Wayne Heideman, Allan M. Fuentes, Richard E. Stehr, Sarah Cumming, Mark Dustrude -
Publication number: 20090024110Abstract: The instant invention relates generally to catheters and to introducer catheters used to help deliver catheters or other medical devices to locations within the human body. In particular, the instant invention relates to large diameter catheters and introducer catheters having a torque transfer layer that includes at least two flat wires braided into a wire mesh. The flat wires have a width of at least about 0.007 inches and a depth of at least about 0.003 inches. The lumen diameter of the catheter is at least about 6 French. The torque transfer layer provides increased strength, flexibility, and kink resistance.Type: ApplicationFiled: July 18, 2007Publication date: January 22, 2009Inventors: Wayne Heideman, Allan Fuentes, Richard E. Stehr, Sarah Cumming
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Publication number: 20080234660Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly, which may have a braid density that varies along the length of the catheter, may also be provided in the outer layer. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.Type: ApplicationFiled: December 29, 2006Publication date: September 25, 2008Inventors: Sarah Cumming, Mark Dustrude, Allan Fuentes, Wayne Heideman, Richard Stehr
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Steerable catheter using flat pull wires and having torque transfer layer made of braided flat wires
Publication number: 20080091169Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly may also be provided in the outer layer, and may be formed by braiding a plurality of flat wires into a wire mesh. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.Type: ApplicationFiled: December 10, 2007Publication date: April 17, 2008Inventors: Wayne Heideman, Allan Fuentes, Richard Stehr, Sarah Cumming, Mark Dustrude -
Publication number: 20070299424Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly, which may have a braid density that varies along the length of the catheter, may also be provided in the outer layer. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.Type: ApplicationFiled: December 29, 2006Publication date: December 27, 2007Inventors: Sarah Cumming, Mark Dustrude, Allan Fuentes, Wayne Heideman, Richard Stehr
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Patent number: 6001944Abstract: A curable composition comprises a siloxane polymer, filler and a curing agent which is capable of effecting the cure when heated, wherein the curing agent comprises bis(2,4-difluorobenzoyl) peroxide or bis(2,6-difluorobenzoyl) peroxide. The composition is curable to a elastomeric condition by heat.Type: GrantFiled: November 16, 1998Date of Patent: December 14, 1999Assignee: Dow Corning LimitedInventors: Sarah Cumming, Patrick Merlin