Patents by Inventor Michael Spohn

Michael Spohn 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: 20210361875
    Abstract: A rolling diaphragm syringe for receiving a medical fluid therein, the rolling diaphragm syringe comprising a sidewall that is flexible and rolls upon itself when acted upon by the piston such that an outer surface of the sidewall is rolled in a radially inward direction as the piston is advanced from the proximal end to the distal end, and wherein at least a portion of an inner surface of the flexible sidewall comprises at least one surface texturization feature.
    Type: Application
    Filed: February 5, 2019
    Publication date: November 25, 2021
    Inventors: Kevin Cowan, Michael Spohn, Michael Swantner, James Mierzwiak, David Berry, Barry Tucker, Arthur Uber, III
  • Patent number: 11141535
    Abstract: A fluid injector system for delivering a multi-phase fluid injection to a patient and methods of fluid delivery is disclosed. Methods of creating and using a multi-aspect fluid path impedance model of the injector system are used. Modeling and adjustment of factors that affect impedance and prevent or reduce backflow, reduce the likelihood of fluid flow rate spikes and provide more accurate flow rates and mixing ratios of fluids may be repeated or happen essentially continuously during an injection. The adjustments may be determined before the injection or determined and/or adjusted during the injection. The determination may include sensor feedback commonly used in injectors such as pressure and position feedback as well as other sensors. In all cases, the user can be notified of adjustments through on-screen notices and/or through the recordation of the injection data by a control device of the injector at the conclusion of the injection.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: October 12, 2021
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Arthur Uber, III, Chelsea Marsh, William Barone, Michael McDermott, Timothy Newing, Michael Spohn, Vince Delbrugge, Ralph Schriver, Kevin Cowan, Barry Tucker, Ronald Heller, David Griffiths, Matthew Schrauder
  • Patent number: 11129934
    Abstract: A pressure jacket for use with a fluid injector includes a barrel having a distal end, a proximal end, and a sidewall extending between the distal end and the proximal end along a longitudinal axis. The pressure jacket includes at least one engagement member protruding from a terminal portion of the proximal end of the barrel in a proximal direction along the longitudinal axis. The at least one engagement member tapers axially in a direction from the distal end toward the proximal end of the barrel. The at least one engagement member engages with a locking mechanism on the fluid injector to releasably lock the pressure jacket with the fluid injector. A taper of the at least one engagement member rotationally guides the barrel into self-alignment with the locking mechanism and axially ejects the barrel upon rotation of the barrel about the longitudinal axis.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: September 28, 2021
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Kevin P. Cowan, Barry L. Tucker, Arthur E. Uber, III, Edward J. Rhinehart, Michael A. Spohn, James R. Neill, Glen P. Williams
  • Publication number: 20210259922
    Abstract: A syringe for delivery of a medical liquid to a container has a body with proximal end, a frustoconical distal end, and a cylindrical sidewall extending between the proximal end and the distal end along a longitudinal axis. The syringe includes a nozzle at a distal portion of the frustoconical distal end of the syringe, the nozzle having a throughbore providing fluid communication between an interior volume of the syringe and a medical connector configured to be connected to the nozzle. The nozzle includes a plurality of longitudinal ribs formed on an inner surface of the nozzle. The syringe is designed so that the plurality of longitudinal ribs directs a flow of a medical fluid along an inner surface of the frustoconical distal end and along an interior surface of the cylindrical sidewall of the syringe under a Coand{hacek over (a)} effect. Syringe and connector assemblies and methods for reducing a number of bubbles formed in a medical fluid during a syringe filling procedure are also described.
    Type: Application
    Filed: May 11, 2021
    Publication date: August 26, 2021
    Inventors: KEVIN COWAN, JAMES A. DEDIG, MATTHEW SCHRAUDER, MICHAEL SPOHN, MICHAEL MCDERMOTT
  • Patent number: 11083882
    Abstract: A connector assembly may include a body and a fluid fitting, the fluid fitting configured for releasably engaging a syringe nozzle, at least one deflectable locking arm connected to the body and radially deflectable relative to the distal end, the proximal end of the at least one deflectable locking arm configured for deflecting in a radial direction relative to the distal end to releasably engage the syringe nozzle, and at least one locking element disposed on the at least one deflectable locking arm, the at least one locking element movable with movement of the at least one deflectable locking arm between a first position where the at least one locking element is released from an engagement portion of the syringe nozzle and a second position where the at least one locking element is engaged with the engagement portion of the syringe nozzle.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: August 10, 2021
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Matthew Schrauder, Brian Cain, Michael Cousley, Kevin Cowan, Michael Spohn
  • Publication number: 20210220557
    Abstract: A fluid injector system includes a control device operatively associated with a first drive component configured to pressurize and inject a first fluid and a second drive component configured to pressurize and inject a second fluid. The control device includes at least one processor programmed or configured to: during a first phase of a multi-phase injection protocol, actuate at least the first drive component to inject the first phase; during the first phase of the injection protocol and prior to transitioning to a second phase of the injection protocol, actuate the second drive component to pressurize the second fluid relative to a pressure of the first fluid; and during the second phase of the injection protocol, actuate the second drive component to inject at least the second fluid so that a desired steady-state ratio of the first fluid and the second fluid in the second phase is reached.
    Type: Application
    Filed: August 27, 2019
    Publication date: July 22, 2021
    Inventors: Amy Chaya, Michael Spohn, Michael McDermott, William Barone
  • Publication number: 20210220561
    Abstract: An injector system for delivering a medical fluid, the injector system including an injector configured to receive at least one syringe, the injector comprising at least one piston for releasably engaging and reciprocally driving a plunger or an end wall of the at least one syringe; and a syringe retaining interface comprising one or more retaining elements configured to engage at least a portion of a distal end portion of the at least one syringe to limit movement of the at least one syringe in a distal direction relative to the injector as the medical fluid is delivered from the reservoir via distal movement of the at least one piston.
    Type: Application
    Filed: September 10, 2019
    Publication date: July 22, 2021
    Inventors: MICHAEL SPOHN, KEVIN COWAN, DAVID BERRY, KEITH LIPFORD, JONATHAN REED, DOREEN WEIGHTMAN, PATRICK CAMPBELL, CHRISTOPHER CAPONE
  • Publication number: 20210170113
    Abstract: A fluid injection system and a fluid verification system for confirming that a syringe, containing a fluid for injection, is fully filled with fluid and neither has free space (i.e., air) near the distal end thereof when the syringe is provided in an upright position nor contains air bubbles. Imaging processing techniques and systems are also provided to determine various injection parameters and to verify the type and certain properties of fluid that is present within a syringe.
    Type: Application
    Filed: February 18, 2021
    Publication date: June 10, 2021
    Inventors: KEVIN COWAN, MICHAEL SPOHN, MICHAEL MCDERMOTT
  • Patent number: 11013857
    Abstract: A system for heating a medical fluid has at least one first fluid container for storing the fluid, a fluid injector having at least one second fluid container for receiving the fluid from the at least one first fluid container through a fluid path set, at least one heating element positioned in-line with the fluid path set between the at least one first fluid container and the at least one second fluid container of the fluid injector for heating the fluid to a pre-determined temperature as the fluid flows through at least one fluid path element, and a controller for controlling an output of the at least one heating element based on at least one of a property of the at least one heating element and a property of the fluid flowing through the at least one fluid path element.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: May 25, 2021
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Arthur E. Uber, III, Molly Bingaman, Gerald Callan, Kevin Cowan, Genevieve Jerome, Matthew Leroch, Daniel Moore, Ralph Schriver, Michael Spohn, Michael Swantner, Barry Tucker
  • Patent number: 11007118
    Abstract: A fill adapter for delivery of a medical liquid to a container has a body with a distal end, a proximal end, and a central bore extending between the distal end and the proximal end along a longitudinal axis. The central bore has an angled portion at the proximal end of the body such that a diameter of the central portion increases at the angled portion in a direction from the distal end to the proximal end. The fill adapter further has a flow controller disposed within the central bore at a distal end of the angled portion such that a gap is formed between an outer surface of the flow controller and an inner surface of the central bore. The flow controller is shaped to direct liquid flowing through the central bore to flow through the gap and along the angled portion of the central bore under a Coand? effect.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: May 18, 2021
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Kevin Cowan, James A. Dedig, Michael Spohn, Michael McDermott, Matthew McGee
  • Publication number: 20210138149
    Abstract: A rolling diaphragm syringe has a proximal end having an end wall, a distal end, and a sidewall extending between the proximal end and the distal end. The rolling diaphragm syringe further has a piston engagement portion protruding proximally from a central portion of the end wall, the piston engagement portion having a central axis, and a plurality of grooves recessed inward relative to an outer surface of the piston engagement portion. The grooves are spaced apart from each other in a direction about the central axis.
    Type: Application
    Filed: May 30, 2019
    Publication date: May 13, 2021
    Inventors: Michael SPOHN, Kevin COWAN, Barry TUCKER
  • Publication number: 20210138148
    Abstract: A method of maintaining an overall flow rate during a sequential delivery of at least two fluids to a patient's blood vessel includes delivering at least a first fluid into the patient's blood vessel at a first flow rate, delivering at least a second fluid into the patient's blood vessel at a second flow rate, and adjusting at least one of a first flow profile of the first flow rate and a second flow profile of the second flow rate to dampen a transient increase in the overall flow rate during a transition between delivering one of the first fluid and the second fluid to delivering the other of the first fluid and the second fluid.
    Type: Application
    Filed: January 25, 2021
    Publication date: May 13, 2021
    Inventors: MICHAEL SPOHN, RALPH SCHRIVER, ARTHUR UBER, III, RONALD HELLER, KEVIN COWAN, BARRY TUCKER, EDWARD RHINEHART, TIMOTHY NEWING
  • Patent number: 10933190
    Abstract: A rolling diaphragm syringe includes a proximal end having an end wall, a distal end having an open-ended discharge neck, a sidewall extending along a longitudinal axis, and a piston engagement portion protruding proximally from a central portion of the end wall and configured for engagement with a piston of a fluid injector. The piston engagement portion has a stem with a first end attached to the end wall, a second end extending proximally from the first end, and at least one protrusion that protrudes radially outward. The sidewall is flexible and rolls upon itself when acted upon by the piston such that an outer surface of the sidewall is folded in a radially inward direction as the piston is advanced from the proximal end to the distal end, and unfolded in a radially outward direction as the piston is retracted from the distal end to the proximal end.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: March 2, 2021
    Assignee: BAYER HEALTHCARE LLC
    Inventors: David Berry, Kevin Cowan, Martin Gibler, Benjamin Krupp, Vince Delbrugge, Michael Spohn
  • Patent number: 10926043
    Abstract: A fluid injection system and a fluid verification system for confirming that a syringe, containing a fluid for injection, is fully filled with fluid and neither has free space (i.e., air) near the distal end thereof when the syringe is provided in an upright position nor contains air bubbles. Imaging processing techniques and systems are also provided to determine various injection parameters and to verify the type and certain properties of fluid that is present within a syringe.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: February 23, 2021
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Kevin Cowan, Michael Spohn, Michael McDermott
  • Publication number: 20210030950
    Abstract: A syringe rolling apparatus for initial rolling of a rolling diaphragm syringe from an unrolled state to a rolled state has a pressure jacket configured for receiving an empty, unrolled rolling diaphragm syringe, a piston reciprocally movable within the pressure jacket and configured for contacting an end wall of the syringe rolling diaphragm syringe to initiate a rolling of a flexible sidewall of the rolling diaphragm syringe, and a seal assembly configured for engaging an open discharge neck of the rolling diaphragm syringe. The seal assembly is in fluid communication with a source of pressurized fluid to pressurize an interior of the rolling diaphragm syringe during a distal movement of the piston. A method for initial rolling of a rolling diaphragm syringe from an unrolled state to a rolled state is also disclosed.
    Type: Application
    Filed: February 18, 2019
    Publication date: February 4, 2021
    Inventors: MICHAEL SPOHN, KEVIN COWAN
  • Patent number: 10898638
    Abstract: A method of maintaining an overall flow rate during a sequential delivery of at least two fluids to a patient's blood vessel includes delivering at least a first fluid into the patient's blood vessel at a first flow rate, delivering at least a second fluid into the patient's blood vessel at a second flow rate, and adjusting at least one of a first flow profile of the first flow rate and a second flow profile of the second flow rate to dampen a transient increase in the overall flow rate during a transition between delivering one of the first fluid and the second fluid to delivering the other of the first fluid and the second fluid.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: January 26, 2021
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Michael Spohn, Ralph Schriver, Arthur E. Uber, III, Ronald Heller, Kevin Cowan, Barry Tucker, Edward Rhinehart, Timothy Newing
  • Patent number: 10857286
    Abstract: A method of maintaining an overall flow rate during a sequential delivery of at least two fluids to a patient's blood vessel includes delivering at least a first fluid into the patient's blood vessel at a first flow rate, delivering at least a second fluid into the patient's blood vessel at a second flow rate, and adjusting at least one of a first flow profile of the first flow rate and a second flow profile of the second flow rate to dampen a transient increase in the overall flow rate during a transition between delivering one of the first fluid and the second fluid to delivering the other of the first fluid and the second fluid.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: December 8, 2020
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Michael Spohn, Ralph Schriver, Arthur E. Uber, III, Ronald Heller, Kevin Cowan, Barry Tucker, Edward Rhinehart, Timothy Newing
  • Patent number: 10850031
    Abstract: A fluid injection system that includes an injector head having a syringe for delivering a fluid to a patient; a mounting structure pivotally connected to the injector head and configured to support the injector head above a surface; and a control system operationally coupled to the injector head for controlling an injection procedure is disclosed. The fluid injection system is provided with various sensors to control various aspects of the fluid injection system, such as the establishment of a reference plane, the determination of a tilt angle of the injector head, and the determination of a temperature of an actuation system of the injector head.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: December 1, 2020
    Assignee: BAYER HEALTHCARE LLC
    Inventors: John Shearer, Jr., Christopher Scutt, Walter Grumski, Michael Spohn, Jarrell T. McWilliams, Arlie D. Long, Richard Morton
  • Publication number: 20200330682
    Abstract: A fluid injection system including a graphical user interface, a fluid control module operatively connected to the graphical user interface, a monitoring control module provided in at least one of the graphical user interface and the fluid control module, a fluid injector operatively connected to the graphical user interface and the fluid control module, at least one fluid path set in fluid communication with the fluid control module, and a hemodynamic monitoring system operatively connected to the fluid path set and the monitoring control module. The hemodynamic monitoring system may be configured to receive electrical signals regarding pressure waves formed in medical fluid directed through the fluid path set based on a location of the fluid path set in a patient's vasculature, to convert the electrical signals to pressure wave form information, and to send the pressure wave form information to the monitoring control module.
    Type: Application
    Filed: May 25, 2018
    Publication date: October 22, 2020
    Applicant: Bayer HealthCare LLC
    Inventors: GERALD CALLAN, MICHAEL SPOHN
  • Patent number: 10792418
    Abstract: A pressure jacket includes a barrel having a proximal end, a distal end, and a sidewall extending substantially circumferentially between the proximal end and the distal end along a longitudinal axis. The pressure jacket also includes at least one retaining member having at least one first lug protruding radially outward relative to an outer surface of the sidewall. The at least one first lug has at least one third surface tapered axially relative to the longitudinal axis of the barrel in a proximal direction. The at least one first lug is configured for engagement with a locking mechanism associated with a port on a fluid injector to releasably lock the pressure jacket with the fluid injector. At least a portion of the at least one third surface axially ejects the pressure jacket upon rotation of the pressure jacket about the longitudinal axis.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 6, 2020
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Barry L. Tucker, Kevin P. Cowan, Arthur E. Uber, III, Edward J. Rhinehart, Michael A. Spohn