Patents by Inventor Darren Galligan
Darren Galligan 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).
-
Patent number: 11938249Abstract: The present technology relates generally to endovascular prostheses. More particularly, the disclosure relates to endovascular prostheses having an outer surface of a graft material thereof associated with a hydrogel composition, which may swell upon implantation within a blood vessel, thereby mediating various complications associated with endovascular procedures. The hydrogel compositions can also include various stabilizing polymers and active agents to further aid their use in the body.Type: GrantFiled: July 14, 2020Date of Patent: March 26, 2024Assignee: Medtronic Vascular, Inc.Inventors: Jeffery Argentine, Matt Petruska, Keith Perkins, Samuel Robaina, Darren Galligan, Rajesh Radhakrishnan
-
Patent number: 10945826Abstract: A prosthetic assembly for repairing a target tissue defect within a target vessel region configured includes an exclusion structure sized to substantially bypass target tissue defect, and includes a branch assembly. The branch assembly can include a self-expanding outer branch prosthesis having an inflow region configured to deform to a non-circular cross-sectional-shape when deployed, and a support structure at least partially disposed within the inflow region. The support structure preserves blood flow to the branch vessel while the deformed inflow region inhibits blood leakage between and/or around the prosthetic assembly.Type: GrantFiled: August 8, 2018Date of Patent: March 16, 2021Assignee: MEDTRONIC VASCULAR, INC.Inventors: Francesco Piccagli, Jeffery Argentine, Kieran Coghlan, Carlo Guala, Massimo Morero, Darren Galligan
-
Patent number: 10856965Abstract: A needle lattice is used to form openings within a graft material to selectively enhance permeability of a prosthesis for tissue integration therein. The needle lattice may be disposed on, for example, a surface of a roller or press. The needle lattice precisely places openings in any pattern and location, and on any textile that forms the graft material. The needle lattice can be heated to fuse the surrounding material of the openings of the textile to prevent movement of the textiles and to prevent collapse of the openings. All parameters of the openings, including varying density, patterns, and size of each opening, can be controlled, allowing for the opportunity to selectively enhance and optimize the permeability of the graft material in a vessel. The needle lattice can quickly form multiple openings within a graft material, allowing for quick manufacturing of the prosthesis.Type: GrantFiled: September 27, 2018Date of Patent: December 8, 2020Assignee: Medtronic Vascular, Inc.Inventors: Zachary Borglin, Keith Perkins, Darren Galligan, Julie Benton
-
Publication number: 20200338239Abstract: The present technology relates generally to endovascular prostheses. More particularly, the disclosure relates to endovascular prostheses having an outer surface of a graft material thereof associated with a hydrogel composition, which may swell upon implantation within a blood vessel, thereby mediating various complications associated with endovascular procedures. The hydrogel compositions can also include various stabilizing polymers and active agents to further aid their use in the body.Type: ApplicationFiled: July 14, 2020Publication date: October 29, 2020Inventors: Jeffery ARGENTINE, Matt PETRUSKA, Keith PERKINS, Samuel ROBAINA, Darren GALLIGAN, Rajesh RADHAKRISHNAN
-
Publication number: 20190159884Abstract: The techniques of this disclosure generally relate to prosthesis formed from a biodegradable composite yarn. The biodegradable composite yarn includes a permanent core and a biodegradable shell. The biodegradable shell slowly dissolves over a period of time when placed in a vessel. As the biodegradable shell dissolves, openings are created in the prosthesis that are filled with tissue from the vessel wall of the vessel. The integration of the tissue into the prosthesis provides biological fixation of prosthesis in the vessel and prevents endoleaks and migration of prosthesis.Type: ApplicationFiled: September 27, 2018Publication date: May 30, 2019Inventors: Keith Perkins, Zachary Borglin, Julie Benton, Matt Petruska, Darren Galligan, Samuel Robaina, Rajesh Radhakrishnan
-
Publication number: 20190159882Abstract: The techniques of this disclosure generally relate to a prosthesis including framed biodegradable yarn graft material having a frame and biodegradable yarns combined with the frame. The biodegradable yarns seal tissue integration openings within the frame. The frame provides long term mechanical strength while the biodegradable yarns provide acute strength and impermeability to prevent endoleaks. As the biodegradable yarns degrade, the drop in textile density creates tissue integration openings, through which tissue grows. The integrate of tissue into the framed biodegradable yarn graft material provides biological fixation of the prosthesis in vessels and prevents endoleaks and migration of the prosthesis.Type: ApplicationFiled: September 26, 2018Publication date: May 30, 2019Inventors: Keith Perkins, Zachary Borglin, Julie Benton, Matt Petruska, Darren Galligan, Samuel Robaina, Rajesh Radhakrishnan
-
Publication number: 20190160208Abstract: The techniques of this disclosure generally relate to applying an armor coating to a graft material. The armor coating is armor, impermeable to fluid, and elastic. The armor coating seals openings within the graft material eliminating passage of fluid through the graft material.Type: ApplicationFiled: September 26, 2018Publication date: May 30, 2019Inventors: Keith Perkins, Zachary Borglin, Julie Benton, Matt Petruska, Darren Galligan, Samuel Robaina, Rajesh Radhakrishnan
-
Publication number: 20190159883Abstract: A needle lattice is used to form openings within a graft material to selectively enhance permeability of a prosthesis for tissue integration therein. The needle lattice may be disposed on, for example, a surface of a roller or press. The needle lattice precisely places openings in any pattern and location, and on any textile that forms the graft material. The needle lattice can be heated to fuse the surrounding material of the openings of the textile to prevent movement of the textiles and to prevent collapse of the openings. All parameters of the openings, including varying density, patterns, and size of each opening, can be controlled, allowing for the opportunity to selectively enhance and optimize the permeability of the graft material in a vessel. The needle lattice can quickly form multiple openings within a graft material, allowing for quick manufacturing of the prosthesis.Type: ApplicationFiled: September 27, 2018Publication date: May 30, 2019Inventors: Zachary Borglin, Keith Perkins, Darren Galligan, Julie Benton
-
Publication number: 20190110884Abstract: A scaffolded stent-graft includes a graft material comprising an inner surface and an outer surface. The inner surface defines a lumen within the graft material. The scaffolded stent-graft further includes a scaffold comprising a mesh coupled to the graft material at the outer surface. The scaffold is configured to promote tissue ingrowth therein. In this manner, the scaffold enhances tissue integration into the scaffolded stent-graft. The tissue integration enhances biological fixation of the scaffolded stent-graft in vessels minimizing the possibility of endoleaks and migration.Type: ApplicationFiled: December 13, 2018Publication date: April 18, 2019Inventors: Keith Perkins, Jeffery Argentine, Matt Petruska, Samuel Robaina, Darren Galligan, Rajesh Radhakrishnan
-
Patent number: 10188500Abstract: A scaffolded stent-graft includes a graft material comprising an inner surface and an outer surface. The inner surface defines a lumen within the graft material. The scaffolded stent-graft further includes a scaffold comprising a mesh coupled to the graft material at the outer surface. The scaffold is configured to promote tissue ingrowth therein. In this manner, the scaffold enhances tissue integration into the scaffolded stent-graft. The tissue integration enhances biological fixation of the scaffolded stent-graft in vessels minimizing the possibility of endoleaks and migration.Type: GrantFiled: February 12, 2016Date of Patent: January 29, 2019Assignee: Medtronic Vascular, Inc.Inventors: Keith Perkins, Jeffery Argentine, Matt Petruska, Samuel Robaina, Darren Galligan, Rajesh Radhakrishnan
-
Publication number: 20180344446Abstract: A prosthetic assembly for repairing a target tissue defect within a target vessel region configured includes an exclusion structure sized to substantially bypass target tissue defect, and includes a branch assembly. The branch assembly can include a self-expanding outer branch prosthesis having an inflow region configured to deform to a non-circular cross-sectional-shape when deployed, and a support structure at least partially disposed within the inflow region. The support structure preserves blood flow to the branch vessel while the deformed inflow region inhibits blood leakage between and/or around the prosthetic assembly.Type: ApplicationFiled: August 8, 2018Publication date: December 6, 2018Inventors: Francesco Piccagli, Jeffery Argentine, Kieran Coghlan, Carlo Guala, Massimo Morero, Darren Galligan
-
Patent number: 10070950Abstract: A prosthetic assembly for repairing a target tissue defect within a target vessel region configured includes an exclusion structure sized to substantially bypass target tissue defect, and includes a branch assembly. The branch assembly can include a self-expanding outer branch prosthesis having an inflow region configured to deform to a non-circular cross-sectional-shape when deployed, and a support structure at least partially disposed within the inflow region. The support structure preserves blood flow to the branch vessel while the deformed inflow region inhibits blood leakage between and/or around the prosthetic assembly.Type: GrantFiled: February 9, 2016Date of Patent: September 11, 2018Assignee: Medtronic Vascular, Inc.Inventors: Francesco Piccagli, Jeffery Argentine, Kieran Coghlan, Carlo Guala, Massimo Morero, Darren Galligan
-
Publication number: 20170360993Abstract: The present technology relates generally to endovascular prostheses. More particularly, the disclosure relates to endovascular prostheses having an outer surface of a graft material thereof associated with a hydrogel composition, which may swell upon implantation within a blood vessel, thereby mediating various complications associated with endovascular procedures. The hydrogel compositions can also include various stabilizing polymers and active agents to further aid their use in the body.Type: ApplicationFiled: June 13, 2017Publication date: December 21, 2017Inventors: Jeffery Argentine, Matt Petruska, Keith Perkins, Samuel Robaina, Darren Galligan, Rajesh Radhakrishnan
-
Publication number: 20170281331Abstract: Endoluminal prosthetic devices having fluid-absorbable compositions for repair of vascular tissue defects, such as an aneurysm or dissection, are disclosed herein. A prosthesis for repairing an opening or cavity within a target vessel region configured in accordance herewith includes a tubular body sized to substantially cover the opening or cavity, and having channels formed in a wall thereof. The channels can include a fluid-absorbable composition deposited therein and which is configured to absorb fluid (e.g., blood) and swell within the channels, thereby providing radial expansion of the tubular body in situ.Type: ApplicationFiled: March 28, 2017Publication date: October 5, 2017Inventors: Keith Perkins, Matthew Petruska, Samuel Robaina, Darren Galligan, Rajesh Radhakrishnan
-
Patent number: 9757117Abstract: A system for forming a suture connector in situ includes a suture connector placement device having a handle, an outer shaft, an intermediate shaft, and a push rod, and a suture connector having a sleeve and a plug. The intermediate shaft is slidingly disposed through a lumen of the outer shaft, and the push rod is slidingly disposed through a lumen of the intermediate shaft. When the suture connector is in a loaded configuration within the suture connector placement device, the sleeve is radially disposed over the intermediate shaft and the plug is positioned proximal to the sleeve within the lumen of the intermediate shaft. Distal advancement of the push rod moves the plug into the sleeve and proximal retraction of the intermediate shaft releases the resilient sleeve onto the plug, thereby securing two suture portions between the sleeve and the plug. The system is then utilized to trim the suture portions.Type: GrantFiled: June 8, 2015Date of Patent: September 12, 2017Assignee: Medtronic Vascular, Inc.Inventors: Darren Galligan, Jeffery Argentine, Benjamin Morris
-
Publication number: 20170231749Abstract: A scaffolded stent-graft includes a graft material comprising an inner surface and an outer surface. The inner surface defines a lumen within the graft material. The scaffolded stent-graft further includes a scaffold comprising a mesh coupled to the graft material at the outer surface. The scaffold is configured to promote tissue ingrowth therein. In this manner, the scaffold enhances tissue integration into the scaffolded stent-graft. The tissue integration enhances biological fixation of the scaffolded stent-graft in vessels minimizing the possibility of endoleaks and migration.Type: ApplicationFiled: February 12, 2016Publication date: August 17, 2017Inventors: Keith Perkins, Jeffery Argentine, Matt Petruska, Samuel Robaina, Darren Galligan, Rajesh Radhakrishnan
-
Publication number: 20170224467Abstract: A prosthetic assembly for repairing a target tissue defect within a target vessel region configured includes an exclusion structure sized to substantially bypass target tissue defect, and includes a branch assembly. The branch assembly can include a self-expanding outer branch prosthesis having an inflow region configured to deform to a non-circular cross-sectional-shape when deployed, and a support structure at least partially disposed within the inflow region. The support structure preserves blood flow to the branch vessel while the deformed inflow region inhibits blood leakage between and/or around the prosthetic assembly.Type: ApplicationFiled: February 9, 2016Publication date: August 10, 2017Inventors: Francesco Piccagli, Jeffery Argentine, Kieran Coghlan, Carlo Guala, Massimo Morero, Darren Galligan
-
Patent number: 9265488Abstract: A suturing device includes a handle, an elongated body, at least one suture snag, at least one pair of needles, and at least one suture pair. The suture snag is moveable between a deployed position in which two distal arm portions thereof radially extend away from the elongated body and a retracted position in which the two distal arm portions are disposed within the elongated body. The suture pair is slidingly disposed through the needle pair. The suturing device deploys the suture snag within a vessel adjacent to an arteriotomy, extends the needle pair through a vessel wall around the arteriotomy and through the deployed suture snag, extends the suture pair beyond the distal ends of the needle pair, and then utilizes the suture snag to capture the extended suture pair by retracting the suture snag to pull first or distal ends of the sutures back into the suturing device. An inflatable balloon or an expandable suture capture component may be alternatives to the suture snag for capturing the suture ends.Type: GrantFiled: September 25, 2013Date of Patent: February 23, 2016Assignee: Medtronic Vascular, Inc.Inventors: Darren Galligan, Jeffery Argentine
-
Publication number: 20150265271Abstract: A system for forming a suture connector in situ includes a suture connector placement device having a handle, an outer shaft, an intermediate shaft, and a push rod, and a suture connector having a sleeve and a plug. The intermediate shaft is slidingly disposed through a lumen of the outer shaft, and the push rod is slidingly disposed through a lumen of the intermediate shaft. When the suture connector is in a loaded configuration within the suture connector placement device, the sleeve is radially disposed over the intermediate shaft and the plug is positioned proximal to the sleeve within the lumen of the intermediate shaft. Distal advancement of the push rod moves the plug into the sleeve and proximal retraction of the intermediate shaft releases the resilient sleeve onto the plug, thereby securing two suture portions between the sleeve and the plug. The system is then utilized to trim the suture portions.Type: ApplicationFiled: June 8, 2015Publication date: September 24, 2015Inventors: Darren Galligan, Jeffery Argentine, Ben Morris
-
Publication number: 20140276982Abstract: A suturing device includes a handle, an elongated body, at least one suture snag, at least one pair of needles, and at least one suture pair. The suture snag is moveable between a deployed position in which two distal arm portions thereof radially extend away from the elongated body and a retracted position in which the two distal arm portions are disposed within the elongated body. The suture pair is slidingly disposed through the needle pair. The suturing device deploys the suture snag within a vessel adjacent to an arteriotomy, extends the needle pair through a vessel wall around the arteriotomy and through the deployed suture snag, extends the suture pair beyond the distal ends of the needle pair, and then utilizes the suture snag to capture the extended suture pair by retracting the suture snag to pull first or distal ends of the sutures back into the suturing device. An inflatable balloon or an expandable suture capture component may be alternatives to the suture snag for capturing the suture ends.Type: ApplicationFiled: September 25, 2013Publication date: September 18, 2014Applicant: Medtronic Vascular, Inc.Inventors: Darren Galligan, Jeffery Argentine