Patents by Inventor Stephen E. Weisel

Stephen E. Weisel 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: 20210137667
    Abstract: An intravascular emboli capture and retrieval system for intravascular embolism protection and embolism removal or maceration. Guidewire mounted proximally and distally located multiple opening filters are deployed within the vasculature and used to part, divide and macerate embolic debris and to capture such embolic debris within the confines thereof. A deployable flexible preformed memory shaped capture sleeve is alternatively used to collapse one or more filters and embolic debris therein for subsequent proximal withdrawal from the vasculature.
    Type: Application
    Filed: August 21, 2020
    Publication date: May 13, 2021
    Inventors: Michael Bonnette, Richard Prather, Eric J. Thor, Stephen E. Weisel, Douglas L. Ball, David B. Morris, Debra M. Kozak, Gary Ansel
  • Patent number: 10806559
    Abstract: An intravascular emboli capture and retrieval system for intravascular embolism protection and embolism removal or maceration. Guidewire mounted proximally and distally located multiple opening filters are deployed within the vasculature and used to part, divide and macerate embolic debris and to capture such embolic debris within the confines thereof. A deployable flexible preformed memory shaped capture sleeve is alternatively used to collapse one or more filters and embolic debris therein for subsequent proximal withdrawal from the vasculature.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: October 20, 2020
    Assignee: Surmodics MD, LLC
    Inventors: Michael Bonnette, Richard Prather, Eric J Thor, Stephen E Weisel, Douglas L Ball, David B Morris, Debra M Kozak, Gary Ansel
  • Publication number: 20190290315
    Abstract: A direct stream hydrodynamic catheter system is provided for the removal of thrombus, lesions and the like including provisions for the infusion of drugs, lysing fluids and the like into a blood vessel. Physician controlled powered direct fluid jet streams emanate from a fluid jet emanatory in the form of robust radially directed fluid jet streams to impinge upon and ablate difficult and strong thrombus and lesions within a blood vessel. Effluent aspiration is controlled by an exhaust regulator in the form of a roller pump, but effluent removal can be assistingly influenced by the fluid pressure associated with the radially directed fluid jet streams.
    Type: Application
    Filed: June 13, 2019
    Publication date: September 26, 2019
    Applicant: BOSTON SCIENTIFIC LIMITED
    Inventors: MICHAEL J. BONNETTE, ERIC J. THOR, DEBRA M. KOZAK, DOUGLAS J. BALL, STEPHEN E. WEISEL, DAVID B. MORRIS, RICHARD R. PRATHER
  • Patent number: 10321932
    Abstract: A direct stream hydrodynamic catheter system is provided for the removal of thrombus, lesions and the like including provisions for the infusion of drugs, lysing fluids and the like into a blood vessel. Physician controlled powered direct fluid jet streams emanate from a fluid jet emanatory in the form of robust radially directed fluid jet streams to impinge upon and ablate difficult and strong thrombus and lesions within a blood vessel. Effluent aspiration is controlled by an exhaust regulator in the form of a roller pump, but effluent removal can be assistingly influenced by the fluid pressure associated with the radially directed fluid jet streams.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: June 18, 2019
    Assignee: BOSTON SCIENTIFIC LIMITED
    Inventors: Michael J. Bonnette, Eric J. Thor, Debra M. Kozak, Douglas J. Ball, Stephen E. Weisel, David B. Morris, Richard R. Prather
  • Patent number: 9943397
    Abstract: An intravascular emboli capture and retrieval system for intravascular embolism protection and embolism removal or maceration. Guidewire mounted proximally and distally located multiple opening filters are deployed within the vasculature and used to part, divide and macerate embolic debris and to capture such embolic debris within the confines thereof. A deployable flexible preformed memory shaped capture sleeve is alternatively used to collapse one or more filters and embolic debris therein for subsequent proximal withdrawal from the vasculature.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: April 17, 2018
    Assignee: Embolitech, LLC
    Inventors: Michael Bonnette, Richard Prather, Eric J Thor, Stephen E Weisel, Douglas L Ball, David B Morris, Debra M Kozak, Gary Ansel
  • Patent number: 9827084
    Abstract: An intravascular emboli capture and retrieval system for intravascular embolism protection and embolism removal or maceration. Guidewire mounted proximally and distally located multiple opening filters are deployed within the vasculature and used to part, divide and macerate embolic debris and to capture such embolic debris within the confines thereof. A deployable flexible preformed memory shaped capture sleeve is alternatively used to collapse one or more filters and embolic debris therein for subsequent proximal withdrawal from the vasculature.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: November 28, 2017
    Assignee: Embolitech, LLC
    Inventors: Michael Bonnette, Richard Prather, Eric J. Thor, Stephen E. Weisel, Douglas L. Ball, David B. Morris, Debra M. Kozak, Gary Ansel
  • Publication number: 20170325931
    Abstract: An intravascular emboli capture and retrieval system for intravascular embolism protection and embolism removal or maceration. Guidewire mounted proximally and distally located multiple opening filters are deployed within the vasculature and used to part, divide and macerate embolic debris and to capture such embolic debris within the confines thereof. A deployable flexible preformed memory shaped capture sleeve is alternatively used to collapse one or more filters and embolic debris therein for subsequent proximal withdrawal from the vasculature.
    Type: Application
    Filed: August 3, 2017
    Publication date: November 16, 2017
    Applicant: Embolitech, LLC
    Inventors: Michael Bonnette, Richard Prather, Eric J Thor, Stephen E Weisel, Douglas L Ball, David B Morris, Debra M Kozak, Gary Ansel
  • Publication number: 20170172603
    Abstract: A direct stream hydrodynamic catheter system is provided for the removal of thrombus, lesions and the like including provisions for the infusion of drugs, lysing fluids and the like into a blood vessel. Physician controlled powered direct fluid jet streams emanate from a fluid jet emanatory in the form of robust radially directed fluid jet streams to impinge upon and ablate difficult and strong thrombus and lesions within a blood vessel. Effluent aspiration is controlled by an exhaust regulator in the form of a roller pump, but effluent removal can be assistingly influenced by the fluid pressure associated with the radially directed fluid jet streams.
    Type: Application
    Filed: March 7, 2017
    Publication date: June 22, 2017
    Applicant: BOSTON SCIENTIFIC LIMITED
    Inventors: MICHAEL J. BONNETTE, ERIC J. THOR, DEBRA M. KOZAK, DOUGLAS J. BALL, STEPHEN E. WEISEL, DAVID B. MORRIS, RICHARD R. PRATHER
  • Patent number: 9586023
    Abstract: A direct stream hydrodynamic catheter system is provided for the removal of thrombus, lesions and the like including provisions for the infusion of drugs, lysing fluids and the like into a blood vessel. Physician controlled powered direct fluid jet streams emanate from a fluid jet emanatory in the form of robust radially directed fluid jet streams to impinge upon and ablate difficult and strong thrombus and lesions within a blood vessel. Effluent aspiration is controlled by an exhaust regulator in the form of a roller pump, but effluent removal can be assistingly influenced by the fluid pressure associated with the radially directed fluid jet streams.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: March 7, 2017
    Assignee: BOSTON SCIENTIFIC LIMITED
    Inventors: Michael J. Bonnette, Eric J. Thor, Debra M. Kozak, Douglas J. Ball, Richard Prather, David Morris, Stephen E. Weisel
  • Publication number: 20160220346
    Abstract: An intravascular emboli capture and retrieval system for intravascular embolism protection and embolism removal or maceration. Guidewire mounted proximally and distally located multiple opening filters are deployed within the vasculature and used to part, divide and macerate embolic debris and to capture such embolic debris within the confines thereof. A deployable flexible preformed memory shaped capture sleeve is alternatively used to collapse one or more filters and embolic debris therein for subsequent proximal withdrawal from the vasculature.
    Type: Application
    Filed: April 8, 2016
    Publication date: August 4, 2016
    Applicant: Embolitech, LLC
    Inventors: Michael Bonnette, Richard Prather, Eric J. Thor, Stephen E. Weisel, Douglas L. Ball, David B. Morris, Debra M. Kozak, Gary Ansel
  • Patent number: 9149609
    Abstract: The general purpose of the present invention is to provide a catheter for removal of an organized embolic thrombus, preferably in conjunction with a distal occlusion balloon guidewire. The present invention consists of three main components including a capture/delivery sheath, a capture sleeve of mesh attached to a tube and a grasping mechanism attached to another tube which is central to the other components. Operative structures in the form of manifolds are connected to such components in order to manipulate and control the relative positions of the capture/delivery sheath, the capture sleeve and the grasping mechanism. An embolic thrombus is engaged by the deployable automatically expanding serrated fingers of a grasping mechanism in combination with a deployable automatically expanding mesh capture sleeve. The capture/delivery sheath is maneuvered to cause compression of the serrated fingers and of the mesh capture sleeve for subsequent removal of the embolic thrombus.
    Type: Grant
    Filed: May 14, 2008
    Date of Patent: October 6, 2015
    Assignee: Embolitech, LLC
    Inventors: Gary M. Ansel, Michael J. Bonnette, Eric J. Thor, David B. Morris, Stephen E. Weisel
  • Publication number: 20150151101
    Abstract: A catheter includes a pressure actuated seal within a manifold. A catheter body is coupled with the manifold, and a manifold lumen and catheter lumen are configured to receive pressurized fluids. The pressure actuated seal includes a pressure actuated seal element having a seal element lumen. The seal element lumen is in communication with the manifold and catheter lumens. The pressure actuated seal element is deformable between an open configuration and a sealed configuration. In the sealed configuration, the pressurized fluid in the manifold presses on the pressure actuated seal element along a first seal face. The pressure actuated seal element compresses inwardly around the seal element lumen according to the pressure of the pressurized fluid. In the open configuration, the pressure actuated seal element relaxes in the absence of the pressurized fluid, and the seal element lumen is open and configured to allow passage of an instrument.
    Type: Application
    Filed: February 10, 2015
    Publication date: June 4, 2015
    Applicant: BOSTON SCIENTIFIC LIMITED
    Inventors: MICHAEL J. BONNETTE, ERIC J. THOR, STEPHEN E. WEISEL, ARTHUR E. UBER, III, LEIF E. LEIRFALLOM, LASZLO T. FARAGO
  • Patent number: 8951229
    Abstract: A catheter includes a pressure actuated seal within a manifold. A catheter body is coupled with the manifold, and a manifold lumen and a catheter lumen are configured to receive pressurized fluids. The pressure actuated seal includes a pressure actuated seal element having a seal element lumen. The seal element lumen is in communication with the manifold and catheter lumens. The pressure actuated seal element is deformable between an open configuration and a sealed configuration. In the sealed configuration, the pressurized fluids in the manifold press on the pressure actuated seal element along a first seal face. The pressure actuated seal element compresses inwardly around the seal element lumen according to a pressure of the pressurized fluids. In the open configuration, the pressure actuated seal element relaxes in an absence of the pressurized fluids, and the seal element lumen is open and configured to allow passage of an instrument.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: February 10, 2015
    Assignee: Boston Scientific Limited
    Inventors: Michael J. Bonnette, Eric J. Thor, Stephen E. Weisel, Arthur E. Uber, III, Leif E. Leirfallom, Laszlo T. Farago
  • Publication number: 20140155830
    Abstract: A direct stream hydrodynamic catheter system is provided for the removal of thrombus, lesions and the like including provisions for the infusion of drugs, lysing fluids and the like into a blood vessel. Physician controlled powered direct fluid jet streams emanate from a fluid jet emanatory in the form of robust radially directed fluid jet streams to impinge upon and ablate difficult and strong thrombus and lesions within a blood vessel. Effluent aspiration is controlled by an exhaust regulator in the form of a roller pump, but effluent removal can be assistingly influenced by the fluid pressure associated with the radially directed fluid jet streams.
    Type: Application
    Filed: February 10, 2014
    Publication date: June 5, 2014
    Inventors: MICHAEL J. BONNETTE, ERIC J. THOR, DEBRA M. KOZAK, DOUGLAS J. BALL, RICHARD PRATHER, DAVID MORRIS, STEPHEN E. WEISEL
  • Patent number: 8657777
    Abstract: Catheters including guidewire tubes having a limited length and methods of using the catheters are described. The catheters may be delivered over guidewires in procedures that are commonly referred to as rapid-exchange delivery. In some embodiments, the catheters may be miniature flexible thrombectomy catheters that may be used to remove thrombus or other unwanted material from a body blood vessel or other small regions of body cavities in which the distal portion of the catheter has smaller external dimensions than the larger proximal portion.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: February 25, 2014
    Assignee: Bayer Medical Care Inc.
    Inventors: Debra M. Kozak, Michael J. Bonnette, Eric J. Thor, David B. Morris, John L. Teschendorf, Douglas J. Ball, Michael Schrom, Stephen E. Weisel
  • Patent number: 8647294
    Abstract: A direct stream hydrodynamic catheter system is provided for the removal of thrombus, lesions and the like including provisions for the infusion of drugs, lysing fluids and the like into a blood vessel. Physician controlled high powered direct fluid jet streams emanate from a fluid jet emanator in the form of robust radially directed fluid jet streams to impinge upon and ablate difficult and strong thrombus or lesions within a blood vessel. Effluent aspiration is controlled by an exhaust regulator in the form of a roller pump, but effluent removal can be assistingly influenced by the fluid pressure associated with the radially directed fluid jet streams.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: February 11, 2014
    Assignee: MEDRAD, Inc.
    Inventors: Michael J. Bonnette, Eric J. Thor, Debra M. Kozak, Douglas J. Ball, Stephen E. Weisel, David B. Morris
  • Patent number: 8353858
    Abstract: Catheters including guidewire tubes having a limited length and methods of using the catheters are described. The catheters may be delivered over guidewires in procedures that are commonly referred to as rapid-exchange delivery. In some embodiments, the catheters may be miniature flexible thrombectomy catheters that may be used to remove thrombus or other unwanted material from a body blood vessel or other small regions of body cavities in which the distal portion of the catheter has smaller external dimensions than the larger proximal portion.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: January 15, 2013
    Assignee: Medrad, Inc.
    Inventors: Debra M. Kozak, Michael J. Bonnette, Eric J. Thor, David B. Morris, John L. Teschendorf, Douglas J. Ball, Stephen E. Weisel, Michael Schrom
  • Patent number: 8012117
    Abstract: The present invention pertains to a miniature flexible thrombectomy catheter having one or more flexible miniature noncollapsing tubular portions including pushable and torqueable structure for introduction into the smaller vessels in neurovascular regions. A jet body having an arcuate fluid jet emanator is incorporated in order to minimize size at the distal portion of a minimally sized catheter tube.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: September 6, 2011
    Assignee: Medrad, Inc.
    Inventors: Michael J. Bonnette, Eric J. Thor, Debra M. Kozak, David B. Morris, John L. Teschendorf, Douglas J. Ball, Stephen E. Weisel
  • Publication number: 20110208129
    Abstract: A catheter includes a pressure actuated seal within a manifold. A catheter body is coupled with the manifold, and a manifold lumen and catheter lumen are configured to receive pressurized fluids. The pressure actuated seal includes a pressure actuated seal element having a seal element lumen. The seal element lumen is in communication with the manifold and catheter lumens. The pressure actuated seal element is deformable between an open configuration and a sealed configuration. In the sealed configuration, the pressurized fluid in the manifold presses on the pressure actuated seal element along a first seal face. The pressure actuated seal element compresses inwardly around the seal element lumen according to the pressure of the pressurized fluid. In the open configuration, the pressure actuated seal element relaxes in the absence of the pressurized fluid, and the seal element lumen is open and configured to allow passage of an instrument.
    Type: Application
    Filed: February 22, 2011
    Publication date: August 25, 2011
    Inventors: Michael J. Bonnette, Eric J. Thor, Stephen E. Weisel, Arthur E. Uber, III, Leif E. Leirfallom, Laszlo T. Farago
  • Patent number: 7996974
    Abstract: The present invention pertains to a miniature flexible thrombectomy catheter having one or more flexible miniature noncollapsing tubular portions including pushable and torqueable structure for introduction into the smaller vessels in neurovascular regions. A jet body having an arcuate fluid jet emanator is incorporated in order to minimize size at the distal portion of a minimally sized catheter tube.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: August 16, 2011
    Assignee: MEDRAD, Inc.
    Inventors: Debra M. Kozak, Douglas J. Ball, John L. Tedeschendorf, Eric J. Thor, David B. Morris, Michael J. Bonnette, Stephen E. Weisel