Patents by Inventor Paul F. Chouinard
Paul F. Chouinard 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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Patent number: 11975182Abstract: Embodiments of the present disclosure relate to a circulatory support device with an integrated cannula. In an exemplary embodiment, an apparatus for attachment to a cardiac pump, comprises an adaptor. The adaptor comprises an annular cross section configured to receive the cardiac pump. The annular cross section is secured to the cardiac pump. The adaptor also comprises a plurality of channels arranged around the adapter and a cannula comprising a proximal portion, a distal portion, and an intermediate portion comprising a braided mesh extending between the distal portion and the proximal portion. The proximal portion has a proximal end comprising a plurality of elements arranged through the channels and the distal portion comprises a plurality of wires and a tip element. The plurality of wires extend in a distal direction from the braided mesh to the tip element and are secured to the tip element. And, a coating covers at least a portion of the braided mesh.Type: GrantFiled: September 3, 2020Date of Patent: May 7, 2024Assignee: Boston Scientific Scimed, Inc.Inventors: Paul F. Chouinard, Thomas P. Jancaric, David B. Robinson, Gerasimos Rigalos, James Tormey
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Publication number: 20240065864Abstract: An endoprosthesis for preventing collapse of a vein may include an expandable framework configured to shift between a radially collapsed configuration and a radially expanded configuration, and a plurality of anchoring legs extending axially away from a first end of the expandable framework. The plurality of anchoring legs may be configured to shift between a delivery configuration and a deployed configuration. In the deployed configuration, the plurality of anchoring legs may be configured to extend radially outward of the expandable framework in the radially expanded configuration. A system for preventing collapse of a vein may include a delivery catheter having a lumen, an endoprosthesis disposable within a distal portion of the lumen in a radially collapsed configuration, and at least one filament coupled to the plurality of anchor legs of the endoprosthesis and extending within the lumen of the delivery catheter.Type: ApplicationFiled: August 28, 2023Publication date: February 29, 2024Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Brady Scott Logan, Paul F. Chouinard
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Publication number: 20240024660Abstract: Devices and methods for assisting blood flow are provided. The device includes a housing with an inlet and an outlet, and a fluid barrier separating the housing into a first section containing the inlet and outlet, and a second section. The device also includes an impeller shaft coupled to an impeller and a first magnet in the first section of the housing, and a drive shaft coupled to a second magnet in the second section of the housing. The first and second magnets are arranged such that rotation of the drive shaft rotates the second magnet causing rotation of the first magnet, which drives the impeller.Type: ApplicationFiled: October 4, 2023Publication date: January 25, 2024Inventors: Brian Hanson, Steven R. Larsen, Benjamin Breidall, Joseph A. Kronstedt, Paul F. Chouinard
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Patent number: 11813443Abstract: Devices and methods for assisting blood flow are provided. The device includes a housing with an inlet and an outlet, and a fluid barrier separating the housing into a first section containing the inlet and outlet, and a second section. The device also includes an impeller shaft coupled to an impeller and a first magnet in the first section of the housing, and a drive shaft coupled to a second magnet in the second section of the housing. The first and second magnets are arranged such that rotation of the drive shaft rotates the second magnet causing rotation of the first magnet, which drives the impeller.Type: GrantFiled: March 7, 2019Date of Patent: November 14, 2023Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Brian J. Hanson, Steven R. Larsen, Benjamin Breidall, Joseph A. Kronstedt, Paul F. Chouinard
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Publication number: 20230051191Abstract: Embodiments in the present disclosure relate to an anchoring and centering device for a circulatory support pump. An exemplary apparatus comprises an expandable anchoring device extending along a longitudinal axis, wherein the expandable anchoring device is arranged about a central axis. A distal portion of the expandable anchoring device defines an annulus through which the cardiac pump can be arranged and to which the cardiac pump can be releasable coupled. A proximal portion of the expandable anchoring device is configured to circumferentially expand to an unconstrained configuration that has a cross-sectional diameter greater than a diameter of the annulus. The exemplary apparatus also includes a constraining member arranged over the expandable anchoring device to constrain the expandable anchoring device in a constrained configuration for delivery of the anchoring apparatus.Type: ApplicationFiled: November 3, 2022Publication date: February 16, 2023Inventors: Brett C. Struthers, Thomas P. Jancaric, Paul F. Chouinard, Umang Anand
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Patent number: 11517737Abstract: Embodiments in the present disclosure relate to an anchoring and centering device for a circulatory support pump. An exemplary apparatus comprises an expandable anchoring device extending along a longitudinal axis, wherein the expandable anchoring device is arranged about a central axis. A distal portion of the expandable anchoring device defines an annulus through which the cardiac pump can be arranged and to which the cardiac pump can be releasable coupled. A proximal portion of the expandable anchoring device is configured to circumferentially expand to an unconstrained configuration that has a cross-sectional diameter greater than a diameter of the annulus. The exemplary apparatus also includes a constraining member arranged over the expandable anchoring device to constrain the expandable anchoring device in a constrained configuration for delivery of the anchoring apparatus.Type: GrantFiled: August 19, 2020Date of Patent: December 6, 2022Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Brett C. Struthers, Thomas P. Jancaric, Paul F. Chouinard, Umang Anand
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Publication number: 20210069397Abstract: Embodiments of the present disclosure relate to a circulatory support device with an integrated cannula. In an exemplary embodiment, an apparatus for attachment to a cardiac pump, comprises an adaptor. The adaptor comprises an annular cross section configured to receive the cardiac pump. The annular cross section is secured to the cardiac pump. The adaptor also comprises a plurality of channels arranged around the adapter and a cannula comprising a proximal portion, a distal portion, and an intermediate portion comprising a braided mesh extending between the distal portion and the proximal portion. The proximal portion has a proximal end comprising a plurality of elements arranged through the channels and the distal portion comprises a plurality of wires and a tip element. The plurality of wires extend in a distal direction from the braided mesh to the tip element and are secured to the tip element. And, a coating covers at least a portion of the braided mesh.Type: ApplicationFiled: September 3, 2020Publication date: March 11, 2021Inventors: Paul F. Chouinard, Thomas P. Jancaric, David B. Robinson, Gerasimos Rigalos, James Tormey
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Publication number: 20210052793Abstract: Embodiments in the present disclosure relate to an anchoring and centering device for a circulatory support pump. An exemplary apparatus comprises an expandable anchoring device extending along a longitudinal axis, wherein the expandable anchoring device is arranged about a central axis. A distal portion of the expandable anchoring device defines an annulus through which the cardiac pump can be arranged and to which the cardiac pump can be releasable coupled. A proximal portion of the expandable anchoring device is configured to circumferentially expand to an unconstrained configuration that has a cross-sectional diameter greater than a diameter of the annulus. The exemplary apparatus also includes a constraining member arranged over the expandable anchoring device to constrain the expandable anchoring device in a constrained configuration for delivery of the anchoring apparatus.Type: ApplicationFiled: August 19, 2020Publication date: February 25, 2021Inventors: Brett C. Struthers, Thomas P. Jancaric, Paul F. Chouinard, Umang Anand
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Publication number: 20200405261Abstract: Example ultrasound medical devices are disclosed. An example medical device includes a support member having a proximal end region and a distal end region and a sensing member having a proximal end region and a distal end region, the distal end region of the sensing member coupled to the distal end region of the support member. The medical device also includes one or more ultrasound sensors disposed along the sensing member and a support shaft having a first end coupled to the sensing member and a second end coupled to the support member. Additionally, the sensing member is configured to shift from a first configuration in which the sensing member is adjacent to the support member to a second configuration in which at least a portion of the sensing member extends away from the support member.Type: ApplicationFiled: June 26, 2020Publication date: December 31, 2020Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: KYLE HARISH SRIVASTAVA, PAUL F. CHOUINARD, CHRISTOPHER PIERE, JASON A. KILVINGTON, NIRAJ PRASAD RAUNIYAR, BRIAN P. WATSCHKE
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Patent number: 10869764Abstract: A venous valve with a tubular frame that includes an outer surface and an inner surface opposite the outer surface and defining a lumen, and a cover over at least the outer surface of the tubular frame, where the cover includes surfaces defining a reversibly sealable opening for unidirectional flow of a liquid through the lumen. A system with the venous valve and a catheter including a proximal end and a distal end, the venous valve located between the proximal end and distal end of the catheter. A method including forming the venous valve and reversibly joining the venous valve and a catheter. A method including positioning at least part of the catheter including the venous valve at a predetermined location and deploying the venous valve from the catheter at the predetermined location.Type: GrantFiled: March 20, 2014Date of Patent: December 22, 2020Assignee: Boston Scientific Scimed, Inc.Inventors: Susan M. Shoemaker, Jason P. Hill, Paul F. Chouinard, Leonard B. Richardson
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Patent number: 10675395Abstract: A method for treating a patient may include establishing an anastomosis between a pulmonary artery and an aorta; and pumping blood from the pulmonary artery to the aorta when the pulmonary artery has a pressure lower than or equal to a pressure of the aorta.Type: GrantFiled: June 21, 2017Date of Patent: June 9, 2020Assignees: Boston Scientific Scimed, Inc., Regents of the University of MinnesotaInventors: Umang Anand, Adam J. Black, Ahmed Selim, Steven D. Reinitz, Bradley F. Slaker, Andrew D. Bicek, Paul F. Chouinard
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Publication number: 20190275224Abstract: Devices and methods for assisting blood flow are provided. The device includes a housing with an inlet and an outlet, and a fluid barrier separating the housing into a first section containing the inlet and outlet, and a second section. The device also includes an impeller shaft coupled to an impeller and a first magnet in the first section of the housing, and a drive shaft coupled to a second magnet in the second section of the housing. The first and second magnets are arranged such that rotation of the drive shaft rotates the second magnet causing rotation of the first magnet, which drives the impeller.Type: ApplicationFiled: March 7, 2019Publication date: September 12, 2019Inventors: Brian J. Hanson, Steven R. Larsen, Benjamin Breidall, Joseph A. Kronstedt, Paul F. Chouinard
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Publication number: 20180345624Abstract: A composite intraluminal prosthesis which is preferably used as a vascular prothesis includes a layer of ePTFE and a layer of textile material which are secured together by an elastomeric bonding agent. The ePTFE layer includes a porous microstructure defined by nodes interconnected by fibrils. The adhesive bonding agent is preferably applied in solution so that the bonding agent enters the pores of the microstructure of the ePTFE. This helps secure the textile layer to the ePTFE layer.Type: ApplicationFiled: July 30, 2018Publication date: December 6, 2018Applicant: MAQUET CARDIOVASCULAR LLCInventors: Krzysztof Sowinski, Ronald Rakos, Jerry Dong, Dennis Kujawski, Patrick A. Haverkost, Paul F. Chouinard
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Patent number: 9877853Abstract: A bioabsorbable stent comprises a plurality of struts interconnected by a plurality of curved intersections. Each of the plurality of curved intersections defines a crescent shaped opening therethrough. The stent has a manufactured state, a crimped state and an expanded state. The crescent shaped openings each have a width and a length such that in the crimped state the width of the crescent shaped opening is less than the width of the crescent shaped opening in the manufactured state or the expanded state.Type: GrantFiled: March 31, 2016Date of Patent: January 30, 2018Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Aparna Bhave, Dennis A. Boismier, Paul F. Chouinard, Shelley Thurk
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Publication number: 20170367820Abstract: A method for treating a patient may include establishing an anastomosis between a pulmonary artery and an aorta; and pumping blood from the pulmonary artery to the aorta when the pulmonary artery has a pressure lower than or equal to a pressure of the aorta.Type: ApplicationFiled: June 21, 2017Publication date: December 28, 2017Inventors: Umang Anand, Adam J. BLACK, Ahmed SELIM, Steven D. REINITZ, Bradley F. SLAKER, Andrew D. BICEK, Paul F. CHOUINARD
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Patent number: 9839764Abstract: Catheter and methods for designing, making, and using catheters are disclosed. An example catheter is a balloon catheter. The balloon catheter may include a proximal shaft. The proximal shaft may be a bare metal hypotube having a skew value of ?1.0 to ?2.5. A midshaft may be attached to the proximal shaft. A distal shaft may be attached to the midshaft. A balloon may be coupled to the distal shaft. An inflation lumen may be defined that extends from the proximal shaft, through the midshaft, and into the distal shaft. The inflation lumen may be in fluid communication with the balloon.Type: GrantFiled: December 1, 2014Date of Patent: December 12, 2017Assignee: Boston Scientific Scimed Inc.Inventor: Paul F. Chouinard
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Patent number: 9833343Abstract: A stent-graft comprising a tubular, radially self-expandable, braided structure comprising elongate bioabsorbable filaments, a bioabsorbable adhesive means, and a permanent graft disposed and adhered with the adhesive means to at least a portion of the structure and forming a stent-graft assembly, the permanent graft and the tubular structure are coextensive along at least a portion of the stent-graft.Type: GrantFiled: October 5, 2011Date of Patent: December 5, 2017Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Diane K. Burnside, Jonathan S. Stinson, Paul F. Chouinard
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Publication number: 20160287417Abstract: A bioabsorbable stent comprises a plurality of struts interconnected by a plurality of curved intersections. Each of the plurality of curved intersections defines a crescent shaped opening therethrough. The stent has a manufactured state, a crimped state and an expanded state. The crescent shaped openings each have a width and a length such that in the crimped state the width of the crescent shaped opening is less than the width of the crescent shaped opening in the manufactured state or the expanded state.Type: ApplicationFiled: March 31, 2016Publication date: October 6, 2016Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: APARNA BHAVE, DENNIS A. BOISMIER, PAUL F. CHOUINARD, SHELLEY THURK
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Publication number: 20160045306Abstract: A transcatheter valve frame comprising a valve frame comprising an elongate tubular member having a longitudinal axis and a circumference, the elongate tubular member comprising a plurality of struts interconnected by peaks and valleys that define a closed cell construction comprising a plurality of interconnected cells, the valve frame is formed from a single piece of material comprising a metal or metal alloy, the valve frame having a diameter that increases upon axial compression and the valve frame comprising a locking mechanism integral with the valve frame configured to fix the diameter of the valve frame.Type: ApplicationFiled: August 11, 2015Publication date: February 18, 2016Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Sumit Agrawal, Ismail Guler, David M. Flynn, Paul F. Chouinard, Kenneth M. Merdan
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Publication number: 20150088065Abstract: Catheter and methods for designing, making, and using catheters are disclosed. An example catheter is a balloon catheter. The balloon catheter may include a proximal shaft. The proximal shaft may be a bare metal hypotube having a skew value of ?1.0 to ?2.5. A midshaft may be attached to the proximal shaft. A distal shaft may be attached to the midshaft. A balloon may be coupled to the distal shaft. An inflation lumen may be defined that extends from the proximal shaft, through the midshaft, and into the distal shaft. The inflation lumen may be in fluid communication with the balloon.Type: ApplicationFiled: December 1, 2014Publication date: March 26, 2015Inventor: Paul F. Chouinard