Patents by Inventor Keith R. Maile

Keith R. Maile 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: 11147965
    Abstract: A leadless cardiac pacemaker (LCP) is configured to sense cardiac activity and to pace a patient's heart and is disposable within a ventricle of the patient's heart. The LCP may include a housing, a first electrode and a second electrode that are secured relative to the housing and are spaced apart. A controller is disposed within the housing and is operably coupled to the first electrode and the second electrode such that the controller is capable of receiving, via the first electrode and the second electrode, electrical cardiac signals of the heart. The LCP may include a pressure sensor and/or an accelerometer. The controller may determine a pace time for a cardiac cycle based at least in part upon a signal from the pressure sensor.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: October 19, 2021
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: Qi An, Jeffrey E. Stahmann, Pramodsingh Hirasingh Thakur, Michael J. Kane, Yinghong Yu, Keith R. Maile
  • Patent number: 11147979
    Abstract: An implantable medical device (IMD) with an inductive coil for wireless communication and/or power transfer. The inductive coil may be disposed about a housing of the IMD. The housing may include a magnetically permeable material that is configured to operate as a flux concentrator for concentrating non-radiative near-field energy through the inductive coil. In some cases, the near-field energy may be captured and converted into electrical energy that may be used to recharge a rechargeable power source of the IMD.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: October 19, 2021
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: William J. Linder, Keith R. Maile, Brendan Early Koop, Michael J. Root
  • Publication number: 20210308467
    Abstract: An implantable medical device (IMD) is configured with a pressure sensor. The IMD includes a housing and a diaphragm that is exposed to the environment outside of the housing. The diaphragm is configured to transmit a pressure from the environment outside of the housing to a piezoelectric membrane. In response, the piezoelectric membrane generates a voltage and/or a current, which is representative of a pressure change applied to the housing diaphragm. In some cases, only changes in pressure over time are used, not absolute or gauge pressures.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Applicant: CARDIAC PACEMAKERS, INC.
    Inventors: Keith R. Maile, William J. Linder, Moira B. Sweeney, Michael J. Kane, Brendan Early Koop
  • Publication number: 20210298763
    Abstract: A medical system may include a left atrial appendage closure device including an expandable framework and a proximal hub centered on a central longitudinal axis of the framework. An insert may be disposed within the proximal hub and include a collar configured to engage the proximal hub, a recess extending into the insert from a proximal end, and a post member disposed within the recess. The post member may be radially spaced apart from the collar and may extend proximally from a distal end of the recess to a proximal surface. The insert may include a first connection structure disposed distal of the proximal surface. The medical system may include a delivery catheter having a second connection structure configured to engage the first connection structure in a delivery configuration. The distal end of the delivery catheter includes a hollow portion configured to receive the post member in the delivery configuration.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 30, 2021
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Jeffrey E. Stahmann, Bin Mi, Eric Wedul, Keith R. Maile
  • Patent number: 11129557
    Abstract: Embodiments herein relate to chemical sensors for detecting a physiological analyte. In an embodiment, an implantable medical device including a chemical sensor for detecting an ion concentration in a bodily fluid is provided. The chemical sensor can include a sensing element having an outer barrier layer forming a top, a bottom, and opposed sides, where the top of the outer barrier layer can be created from a polymeric matrix permeable to sodium ions, potassium ions, and hydronium ions. An active agent can be disposed within the top of the outer barrier layer, the active agent having anti-inflammatory effects. The chemical sensor can include an optical excitation assembly configured to illuminate the sensing element. The chemical sensor can also include an optical detection assembly configured to receive light from the sensing element. Other embodiments are also included herein.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: September 28, 2021
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Yingbo Li, Michael John Kane, Jeffrey E. Stahmann, Keith R. Maile
  • Patent number: 11123570
    Abstract: A leadless pacing device may include a housing having a proximal end and a distal end, and a set of one or more electrodes supported by the housing. The housing may include a first a distal extension extending distally from the distal end thereof. The distal extension may include a retractable and/or rotatable distal electrode. The distal electrode may be configured to be delivered to and pace at the Bundle of His. The leadless pacing device may be releasably coupled to an expandable anchor mechanism.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: September 21, 2021
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: Brendan Early Koop, Benjamin J. Haasl, Allan Charles Shuros, James O. Gilkerson, Lili Liu, Keith R. Maile, Brian Soltis, Brandon Christopher Fellows
  • Patent number: 11116988
    Abstract: Implantable medical devices such as leadless cardiac pacemakers may include a rechargeable power source. In some cases, a system may include an implanted device including a receiving antenna and an external transmitter that transmits radiofrequency energy that may be captured by the receiving antenna and then be converted into electrical energy that may be used to recharge a rechargeable power source. Accordingly, since the rechargeable power source does not have to maintain sufficient energy stores for the expected life of the implanted device, the power source itself and thus the implanted device, may be made smaller while still meeting device longevity expectations.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: September 14, 2021
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: Keith R. Maile, Michael J. Kane, William J. Linder
  • Publication number: 20210252293
    Abstract: Embodiments of the present disclosure relate to implantable medical devices (IMDs). In an exemplary embodiment, an IMD comprises: a housing including a plurality of feedthroughs extending through the housing, a first electrode, a second electrode, and a biocompatible circuit board disposed around an outer surface of the housing. The biocompatible circuit board comprising a plurality of traces, wherein a first trace of the plurality of traces is coupled to the first electrode and a first feedthrough of the plurality of feedthroughs, and a second trace of the plurality of traces is coupled to the first electrode and a second feedthrough of the plurality of feedthroughs.
    Type: Application
    Filed: February 12, 2021
    Publication date: August 19, 2021
    Inventors: James Michael English, Jean M. Bobgan, Keith R. Maile, Ron A. Balczewski
  • Publication number: 20210257849
    Abstract: Improved devices, circuits and methods of operation in implantable stimulus systems. An implantable defibrillator may comprise a charging circuit using a transformer to store and build up energy on an HV capacitor or capacitor stack, with the HV capacitor in turn coupled to an H-bridge output circuit having low and high sides for issuing therapy. A current monitoring circuitry is provided on the low side of the H-Bridge and used to form a feedback loop to control current into a transformer that converts battery voltage to a signal that charges the HV capacitor to control current through the H-bridge.
    Type: Application
    Filed: February 12, 2021
    Publication date: August 19, 2021
    Applicant: CARDIAC PACEMAKERS, INC.
    Inventors: BRANDON TYLER KEIL, WILLIAM J. LINDER, KEITH R. MAILE
  • Publication number: 20210251488
    Abstract: Embodiments of the present disclosure relate to implantable medical devices (IMDs). In an exemplary embodiment, an IMD comprises a power source and a housing enclosing the power source. The housing comprises a first side and a second side extending along a longitudinal axis between a first end and a second end, wherein the first side is opposite the second side and the first end is opposite the second end, and wherein a first distance between the first and second ends is greater than a second distance the first and second sides. The IMD further comprises a printed circuit board arranged on the first side of the base and conductively coupled to the power source. The IMD also comprises a non-conductive enclosure arranged over the printed circuit board and hermetically sealing the printed circuit board, the non-conductive enclosure comprising an outer surface.
    Type: Application
    Filed: February 11, 2021
    Publication date: August 19, 2021
    Inventors: James Michael English, Jean M. Bobgan, Keith R. Maile, Ron A. Balczewski
  • Publication number: 20210252296
    Abstract: Improved devices, circuits and methods of operation in implantable stimulus systems. An implantable defibrillator may comprise an H-bridge output circuit having low and high sides, with a current controlling circuit coupled to the high side of the H-bridge output circuit and a current monitoring circuit coupled to the low side of the H-bridge output circuit. Alternate current paths to the output of the H-bridge, or to the H-Bridge itself, are used for delivering different therapies to the patient.
    Type: Application
    Filed: February 11, 2021
    Publication date: August 19, 2021
    Applicant: CARDIAC PACEMAKERS, INC.
    Inventors: BRANDON TYLER KEIL, WILLIAM J. LINDER, KEITH R. MAILE
  • Publication number: 20210252295
    Abstract: Embodiments of the present disclosure relate to implantable medical devices. According to an exemplary embodiment, a method for forming an electrode on an implantable medical device (IMD), comprises forming a nonconductive body comprising a well having a bottom surface and at least one side surface extending from the bottom surface. The method further comprises forming a conduit through the bottom surface and inserting the nonconductive body into an opening in an external surface of the IMD. The method also comprises depositing conductive material into the well and coupling the conductive material to a circuit of the IMD via the conduit through the bottom surface of the well.
    Type: Application
    Filed: February 12, 2021
    Publication date: August 19, 2021
    Inventors: James M. English, Jean M. Bobgan, Keith R. Maile, Ron A. Balczewski
  • Patent number: 11089983
    Abstract: Embodiments herein relate to implantable multimode analyte sensors and medical devices including the same. In an embodiment, an implantable medical device is included having an optical excitation assembly, an optical detection assembly and a multimode sensing element. The multimode sensing element can include a colorimetric response element specific for a first chemical analyte and a photoluminescent response element specific for a second chemical analyte. Other embodiments are also included herein.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: August 17, 2021
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Yingbo Li, Michael J. Kane, Keith R. Maile
  • Patent number: 11083372
    Abstract: A system includes an implantable medical device configured to sense a sync signal and sense physiological parameters to obtain a physiological signal. In response to sensing the sync signal, the implantable medical device is configured to generate a sync-stamped physiological signal. In certain embodiments, a method includes receiving a first physiological signal coupled with a sync signal; receiving a second physiological signal coupled with the sync signal; and, using the sync signal, synchronizing in time the first and second physiological signals.
    Type: Grant
    Filed: January 7, 2017
    Date of Patent: August 10, 2021
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Pramodsingh H. Thakur, David J. Ternes, Keith R. Maile, Zhe Shen, Stephen B. Ruble, Howard D. Simms, Paul F. Emerson
  • Publication number: 20210236192
    Abstract: A medical instrument that includes a shaft and a device coupled to a distal end of the shaft. The device includes a sensor configured to measure an electrical parameter of tissue at a target site, and an energy delivery device configured to deliver energy to the tissue at the target site based on the measured electrical parameter.
    Type: Application
    Filed: February 3, 2021
    Publication date: August 5, 2021
    Applicant: Boston Scientific Scimed Inc.
    Inventors: George Wilfred DUVAL, Keith R. MAILE, James Frederick SAWICKI, Jan Weber
  • Patent number: 11071870
    Abstract: A ventricularly implantable medical device that includes a sensing module that is configured to gather information during a cardiac cycle and to identify a cardiac interval based at least on part on the gathered information. Control circuitry in the implantable medical device is configured to deliver a ventricular pacing therapy to a patient's heart, wherein the ventricular pacing therapy is time dependent, at least in part, on the identified cardiac interval.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: July 27, 2021
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: Jeffrey E. Stahmann, Keith R. Maile, Krzysztof Z. Siejko, Allan Charles Shuros
  • Patent number: 11065459
    Abstract: An implantable medical device (IMD) is configured with a pressure sensor. The IMD includes a housing and a diaphragm that is exposed to the environment outside of the housing. The diaphragm is configured to transmit a pressure from the environment outside of the housing to a piezoelectric membrane. In response, the piezoelectric membrane generates a voltage and/or a current, which is representative of a pressure change applied to the housing diaphragm. In some cases, only changes in pressure over time are used, not absolute or gauge pressures.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: July 20, 2021
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: Keith R. Maile, William J. Linder, Moira B. Sweeney, Michael J. Kane, Brendan Early Koop
  • Patent number: 11052256
    Abstract: An implantable medical device (IMD) includes a heterogeneous housing configured to receive and store one or more components of the IMD. The housing includes an intrinsically non-conductive and non-magnetic base material and at least one dopant with a property of at least one of electrical conductance and magnetic permeability. The base material and the dopant form a first region of the housing including a first skin depth and a second region of the housing including a second skin depth different than the first skin depth.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: July 6, 2021
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Jeffrey E. Stahmann, Keith R. Maile, Moira B. Sweeney
  • Patent number: 11052258
    Abstract: A ventricularly implantable medical device that includes a sensing module that is configured to identify a search window of time within a cardiac cycle to search for an atrial artifact. Control circuitry in the ventricular implantable medical device is configured to deliver a ventricular pacing therapy to a patient's heart, wherein the ventricular pacing therapy is time dependent, at least in part, on an atrial event identified in the search window of time.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 6, 2021
    Assignee: CARDIAC PACEMAKERS, INC.
    Inventors: Keith R. Maile, Jeffrey E. Stahmann, Michael J. Kane, Benjamin J. Haasl, Krzysztof Z. Siejko, Allan Charles Shuros, William J. Linder, Brendan Early Koop
  • Patent number: 11026619
    Abstract: A cardiac rhythm management system includes at least one sensing component configured to obtain a first physiological parameter signal, an indication of a cardiac response to a stimulation therapy, and temporal information corresponding to the first physiological parameter signal and the cardiac response; and at least one processor configured to: receive the first physiological parameter signal, the indication of the cardiac response, and the temporal information; and to classify the cardiac response into a first cardiac response class to generate a classified cardiac response. The at least one processor also is configured to determine a correlation, based on the temporal information, between the first physiological parameter signal and the classified cardiac response.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: June 8, 2021
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: David J. Ternes, Qi An, Pramodsingh H. Thakur, Keith R. Maile, Sunipa Saha