Patents by Inventor Jeffrey M. Welch

Jeffrey M. Welch 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: 20220233810
    Abstract: Embodiments include an interventional guide catheter, comprising: a main tubular shaft with a distal tip and proximal end; the main tubular shaft comprising: a main inner structural layer comprising a metallic helically wound multi-filar wire extending from a proximal tube termination to a distal end, a braided wire layer covering the main inner structural layer that extends from the proximal tube termination to the distal end, an outer layer of polymer jacketing fixedly attached to the main inner structural layer and braid layer, an inner layer of polymer jacketing and fixedly attached to the main inner structural layer, a distal tip made of layers of polymer, a distal end curve shape for anatomical conformance that is heat processed in the main metal portion of the structure; and a lamination of the inner layer, main inner structural layer, braided wire layer and outer layer. Other embodiments are also included herein.
    Type: Application
    Filed: February 10, 2022
    Publication date: July 28, 2022
    Inventors: Jeffrey M. Welch, Gregg Stuart Sutton
  • Patent number: 11129629
    Abstract: Embodiments of the invention include a multi-lumen catheter for extracting or aspirating a blood clot or thrombus from arterial or veinous sites. Other embodiments are also included herein.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: September 28, 2021
    Assignee: NorMedix, Inc.
    Inventors: Jeffrey M. Welch, Karl V. Ganske, Gregg Stuart Sutton
  • Patent number: 11013890
    Abstract: Embodiments of the invention include an introducer for introducing interventional catheters into the vasculature comprising a distal tip, a proximal end, a structural layer, an inner layer, and an outer layer. Other embodiments are also included herein.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: May 25, 2021
    Assignee: NorMedix, Inc.
    Inventors: Jeffrey M. Welch, Gregg Sutton
  • Patent number: 10702674
    Abstract: A catheter assembly includes a catheter body extending from a catheter proximal portion to a catheter distal portion. The catheter body includes an inner liner and an outer sleeve. A braid assembly is within the catheter body and between the inner liner and the outer sleeve. The braid assembly includes a first filar array including one or more first filars helically extending around the catheter body in a first direction. The braid assembly further includes a second filar array including one or more second filars helically extending around the catheter body in a second direction opposed to the first direction.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: July 7, 2020
    Assignee: NorMedix, Inc.
    Inventors: Karl V. Ganske, Jeffrey M. Welch, Gregg Sutton
  • Publication number: 20190117240
    Abstract: Embodiments of the invention include a multi-lumen catheter for extracting or aspirating a blood clot or thrombus from arterial or veinous sites. Other embodiments are also included herein.
    Type: Application
    Filed: October 22, 2018
    Publication date: April 25, 2019
    Inventors: Jeffrey M. Welch, Karl V. Ganske, Gregg Stuart Sutton
  • Patent number: 10130379
    Abstract: Embodiments of the invention include a multi-lumen catheter for extracting or aspirating a blood clot or thrombus from arterial or veinous sites. Other embodiments are also included herein.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: November 20, 2018
    Assignee: NorMedix, Inc.
    Inventors: Jeffrey M. Welch, Karl V. Ganske, Gregg Stuart Sutton
  • Publication number: 20180243534
    Abstract: Embodiments of the invention include an introducer for introducing interventional catheters into the vasculature comprising a distal tip, a proximal end, a structural layer, an inner layer, and an outer layer. Other embodiments are also included herein.
    Type: Application
    Filed: February 23, 2018
    Publication date: August 30, 2018
    Inventors: Jeffrey M. Welch, Gregg Sutton
  • Patent number: 9937321
    Abstract: Embodiments of the invention include an introducer for introducing interventional catheters into the vasculature comprising a distal tip, a proximal end, a structural layer, an inner layer, and an outer layer. Other embodiments are also included herein.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: April 10, 2018
    Assignee: NorMedix, Inc.
    Inventors: Jeffrey M. Welch, Gregg Stuart Sutton
  • Publication number: 20170252535
    Abstract: A catheter assembly includes a catheter body extending from a catheter proximal portion to a catheter distal portion. The catheter body includes an inner liner and an outer sleeve. A braid assembly is within the catheter body and between the inner liner and the outer sleeve. The braid assembly includes a first filar array including one or more first filars helically extending around the catheter body in a first direction. The braid assembly further includes a second filar array including one or more second filars helically extending around the catheter body in a second direction opposed to the first direction.
    Type: Application
    Filed: May 17, 2017
    Publication date: September 7, 2017
    Inventors: Karl V. Ganske, Jeffrey M. Welch, Gregg Sutton
  • Publication number: 20170028167
    Abstract: Embodiments include an interventional guide catheter, comprising: a main tubular shaft with a distal tip and proximal end; the main tubular shaft comprising: a main inner structural layer comprising a metallic helically wound multi-filar wire extending from a proximal tube termination to a distal end, a braided wire layer covering the main inner structural layer that extends from the proximal tube termination to the distal end, an outer layer of polymer jacketing fixedly attached to the main inner structural layer and braid layer, an inner layer of polymer jacketing and fixedly attached to the main inner structural layer, a distal tip made of layers of polymer, a distal end curve shape for anatomical conformance that is heat processed in the main metal portion of the structure; and a lamination of the inner layer, main inner structural layer, braided wire layer and outer layer. Other embodiments are also included herein.
    Type: Application
    Filed: July 29, 2016
    Publication date: February 2, 2017
    Inventors: Jeffrey M. Welch, Gregg Sutton
  • Publication number: 20160151605
    Abstract: Embodiments of the invention include an introducer for introducing interventional catheters into the vasculature comprising a distal tip, a proximal end, a structural layer, an inner layer, and an outer layer. Other embodiments are also included herein.
    Type: Application
    Filed: June 27, 2014
    Publication date: June 2, 2016
    Inventors: Jeffrey M. Welch, Gregg Stuart Sutton
  • Publication number: 20160106446
    Abstract: Embodiments of the invention include a multi-lumen catheter for extracting or aspirating a blood clot or thrombus from arterial or veinous sites. Other embodiments are also included herein.
    Type: Application
    Filed: April 23, 2014
    Publication date: April 21, 2016
    Inventors: Jeffrey M. Welch, Karl V. Ganske, Gregg Stuart Sutton
  • Publication number: 20150151090
    Abstract: The present application describes a coaxial guide coil catheter device to be placed inside of a standard cardiovascular guide catheter for facilitating extra support in the coronary artery when advancing interventional cardiology devices such as balloon catheters and stent delivery systems. This device is passed through the main lumen of a standard guide catheter so that the tip of the coaxial guide coil device is extended past the tip of the guide catheter and into the coronary artery. The proximal portion of the coaxial guide coil will remain within the guide catheter. The device improves the ability of the guide catheter to remain seated in the coronary ostium during interventional procedures.
    Type: Application
    Filed: June 10, 2013
    Publication date: June 4, 2015
    Inventors: Gregg Stuart Sutton, Jeffrey M. Welch, Karl V. Ganske
  • Patent number: 8292850
    Abstract: A coaxial guide catheter to be passed through guide catheter having a first lumen, for use with interventional cardiology devices that are insertable into a branch artery that branches off from a main artery. The coaxial guide catheter is extended through the lumen of the guide catheter and beyond the distal end of the guide catheter and inserted into the branch artery. The device assists in resisting axial and shear forces exerted by an interventional cardiology device passed through the second lumen and beyond the flexible distal tip portion that would otherwise tend to dislodge the guide catheter from the branch artery.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: October 23, 2012
    Assignee: Vascular Solutions, Inc.
    Inventors: Howard Root, Gregg Sutton, Jeffrey M Welch, Jason M Garrity
  • Publication number: 20120165756
    Abstract: A coaxial guide catheter to be passed through guide catheter having a first lumen, for use with interventional cardiology devices that are insertable into a branch artery that branches off from a main artery. The coaxial guide catheter is extended through the lumen of the guide catheter and beyond the distal end of the guide catheter and inserted into the branch artery. The device assists in resisting axial and shear forces exerted by an interventional cardiology device passed through the second lumen and beyond the flexible distal tip portion that would otherwise tend to dislodge the guide catheter from the branch artery.
    Type: Application
    Filed: January 26, 2012
    Publication date: June 28, 2012
    Applicant: VASCULAR SOLUTIONS, INC.
    Inventors: Howard Root, Gregg Sutton, Jeffrey M. Welch, Jason M. Garrity
  • Patent number: RE45380
    Abstract: A coaxial guide catheter to be passed through guide catheter having a first lumen, for use with interventional cardiology devices that are insertable into a branch artery that branches off from a main artery. The coaxial guide catheter is extended through the lumen of the guide catheter and beyond the distal end of the guide catheter and inserted into the branch artery. The device assists in resisting axial and shear forces exerted by an interventional cardiology device passed through the second lumen and beyond the flexible distal tip portion that would otherwise tend to dislodge the guide catheter from the branch artery.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: February 17, 2015
    Assignee: Vascular Solutions, Inc.
    Inventors: Howard Root, Gregg Sutton, Jeffrey M. Welch, Jason M. Garrity
  • Patent number: RE45760
    Abstract: A coaxial guide catheter to be passed through guide catheter having a first lumen, for use with interventional cardiology devices that are insertable into a branch artery that branches off from a main artery. The coaxial guide catheter is extended through the lumen of the guide catheter and beyond the distal end of the guide catheter and inserted into the branch artery. The device assists in resisting axial and shear forces exerted by an interventional cardiology device passed through the second lumen and beyond the flexible distal tip portion that would otherwise tend to dislodge the guide catheter from the branch artery.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: October 20, 2015
    Assignee: Vascular Solutions, Inc.
    Inventors: Howard C. Root, Gregg Sutton, Jeffrey M. Welch, Jason M. Garrity
  • Patent number: RE45776
    Abstract: A coaxial guide catheter to be passed through guide catheter having a first lumen, for use with interventional cardiology devices that are insertable into a branch artery that branches off from a main artery. The coaxial guide catheter is extended through the lumen of the guide catheter and beyond the distal end of the guide catheter and inserted into the branch artery. The device assists in resisting axial and shear forces exerted by an interventional cardiology device passed through the second lumen and beyond the flexible distal tip portion that would otherwise tend to dislodge the guide catheter from the branch artery.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: October 27, 2015
    Assignee: Vascular Solutions, Inc.
    Inventors: Howard C. Root, Gregg Sutton, Jeffrey M. Welch, Jason M. Garrity
  • Patent number: RE46116
    Abstract: A coaxial guide catheter to be passed through guide catheter having a first lumen, for use with interventional cardiology devices that are insertable into a branch artery that branches off from a main artery. The coaxial guide catheter is extended through the lumen of the guide catheter and beyond the distal end of the guide catheter and inserted into the branch artery. The device assists in resisting axial and shear forces exerted by an interventional cardiology device passed through the second lumen and beyond the flexible distal tip portion that would otherwise tend to dislodge the guide catheter from the branch artery.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: August 23, 2016
    Assignee: Vascular Solutions, Inc.
    Inventors: Howard C. Root, Gregg Sutton, Jeffrey M. Welch, Jason M. Garrity
  • Patent number: RE47379
    Abstract: A coaxial guide catheter to be passed through guide catheter having a first lumen, for use with interventional cardiology devices that are insertable into a branch artery that branches off from a main artery. The coaxial guide catheter is extended through the lumen of the guide catheter and beyond the distal end of the guide catheter and inserted into the branch artery. The device assists in resisting axial and shear forces exerted by an interventional cardiology device passed through the second lumen and beyond the flexible distal tip portion that would otherwise tend to dislodge the guide catheter from the branch artery.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: May 7, 2019
    Assignee: TELEFLEX INNOVATIONS S.A.R.L.
    Inventors: Howard C. Root, Gregg Sutton, Jeffrey M. Welch, Jason M. Garrity