Patents Examined by Luther Behringer
  • Patent number: 8548605
    Abstract: A system of an autonomous intracardiac capsule and its implantation accessory. The autonomous capsule (10) includes a tubular body (12) with an anchoring screw (14) for penetrating the wall of a cavity of the heart, and at least one coupling finger (20, 22) radially projecting outwards. The implantation accessory (26) includes a lead body (28) with a sheath (30, 32) of deformable material supporting on the distal side a helical guide (36, 52), for guiding and driving by rotation the capsule. This helical guide is integral with the lead body, and its inner diameter is homologous to the outer diameter of the cylindrical body of the capsule so the latter can be housed it in, the coupling fingers protruding between the coils of the guide. The helix direction of the helical guide (36) is opposite to that of the anchoring screw (14). The helical guide is resiliently compressible in axial direction, and its helix pitch (38) is increased in the free distal end portion (40).
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: October 1, 2013
    Assignee: Sorin CRM S.A.S.
    Inventor: Jean-Francois Ollivier
  • Patent number: 8538520
    Abstract: A gene regulatory system detects ischemia events and is capable of delivering a biologic therapy in response to the detection of an ischemic event or the reception of a command. The biologic therapy protects the heart from ischemic damage by regulating the expression of an exogenously introduced gene product. In one embodiment, the gene regulatory system includes an implantable system that emits at least one gene regulatory signal in response to the detection of the ischemic event or the reception of the command. The gene regulatory signal directly or indirectly regulates gene expression of the gene product.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: September 17, 2013
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Joseph M. Pastore, Jeffrey Ross, Tamara Colette Baynham, Rodney W. Salo, Andrew P. Kramer, Julio C. Spinelli
  • Patent number: 8532783
    Abstract: An implantable device includes an implantable housing having an outer surface and providing a hermetically sealed interior volume. A flexible electric lead is mechanically connected to the housing and electrically connected to circuitry within the interior volume. An impact protector overlies at least a portion of the outer surface of the housing and shields the underlying housing surface from the force of a mechanical impact. At least a portion of the impact protector may include an electrode electrically connected to the circuitry within the interior volume.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: September 10, 2013
    Assignee: Med-El Elektromedizinische Geraete GmbH
    Inventors: Martin Zimmerling, Gerhard Mark, Dominik Hammerer
  • Patent number: 8527048
    Abstract: Systems and methods for determining pacing timing intervals based on the temporal relationship between the timing of local and non-local cardiac signal features are described. A device includes a plurality of implantable electrodes electrically coupled to the heart and configured to sense local and non-local cardiac signals. Sense circuitry coupled to first and second electrode pairs senses a local cardiac signal via a first electrode pair and a non-local cardiac signal via a second electrode pair. Detection circuitry is used to detect a feature of the local signal associated with activation of a heart chamber and to detect a feature of the non-local signal associated with activation of the heart chamber. A control processor times delivery of one or more pacing pulses based on a temporal relationship between timing of the local signal feature and timing of the non-local signal feature.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: September 3, 2013
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Alok S. Sathaye, Aaron R. McCabe, Yinghong Yu
  • Patent number: 8515558
    Abstract: An improved anchoring mechanism for an implantable lead is discussed. The anchoring mechanism consists of a tine enclosed in a housing structure. Deployment and retraction of the tine is controlled by the rotation of a stylet releasable connected to the tine. The stylet is inserted through the lead and engages the tine at an interface between them. The stylet is rotated. This serves to rotate the tine to thereby secure the lead connected to an anchor housing from which the tine emerges to body tissue.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: August 20, 2013
    Assignee: Greatbatch Ltd.
    Inventors: Jeffrey Zweber, Jesse Geroy
  • Patent number: 8473050
    Abstract: Vector selection is automatically achieved via a thoracic or intracardiac impedance signal collected in a cardiac function management device or other implantable medical device that includes a test mode and a diagnostic mode. During a test mode, the device cycles through various electrode configurations for collecting thoracic impedance data. At least one figure of merit is calculated from the impedance data for each such electrode configuration. In one example, only non-arrhythmic beats are used for computing the figure of merit. A particular electrode configuration is automatically selected using the figure of merit. During a diagnostic mode, the device collects impedance data using the selected electrode configuration. In one example, the figure of merit includes a ratio of a cardiac stroke amplitude and a respiration amplitude. Other examples of the figure of merit are also described.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: June 25, 2013
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Jonathan Kwok, Kent Lee, Jesse W. Hartley, Jeffrey E. Stahmann, Yinghong Yu, Jiang Ding
  • Patent number: 8473052
    Abstract: A pacemaker comprises an implantable pacemaker housing and a pacemaker electrode provided to transmit stimulation impulses, and a detector for a current which can be induced by an external magnetic field and flowing through the pacemaker electrode. A circuit element is provided to interrupt this inducible current.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: June 25, 2013
    Assignee: Siemens Aktiengesellschaft
    Inventor: Michael Maschke
  • Patent number: 8473068
    Abstract: In one embodiment, an implantable stimulation apparatus includes a vagal nerve stimulator configured to generate electrical pulses below a cardiac threshold of a heart, and an electrode coupled to the vagal nerve stimulator which is configured to transmit the electrical pulses below the cardiac threshold, to a vagal nerve so as to inhibit injury resulting from an ischemia and/or reduce injury resulting from an ischemia. In another embodiment, an implantable stimulation apparatus includes a vagal nerve stimulator configured to generate electrical pulses below a cardiac threshold, and includes an electrode, which is coupled to the vagal nerve stimulator and configured transmit electrical pulses to a vagal nerve so as to reduce a defibrillation threshold of the heart.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: June 25, 2013
    Assignee: Pacesetter, Inc.
    Inventor: Taraneh Ghaffari Farazi
  • Patent number: 8467875
    Abstract: Systems and methods treat urologic dysfunctions by implanting a lead and electrode in a tissue region affecting urologic function, and implanting a pulse generator in an anterior pelvic region remote from the electrode. Bilateral stimulation of the left and/or right branches of the dorsal genital nerves using a single lead implanted in adipose or other tissue in the region at or near the pubic symphysis is able to treat urinary incontinence.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: June 18, 2013
    Assignee: Medtronic, Inc.
    Inventors: Maria E Bennett, Julie Grill, Tina E Lechman, Joseph J Mrva, Jonathan L Sakai, Robert B Strother, Geoffrey B Thrope, Therese M Zmina
  • Patent number: 8467864
    Abstract: Techniques are provided for detecting and distinguishing stroke and cardiac ischemia within a patient using an implantable medical device. In one example, a preliminary indication of stroke is detected by a pacemaker or similar implantable device based on an analysis of features of an intracardiac electrogram (IEGM) sensed by the device. Exemplary IEGM features indicative of possible stroke include the onset of prominent U-waves, the onset of notched T-waves, and changes in ST segment duration or QT duration. Upon detection of a possible stroke, the device then detects one or more hemodynamic parameters that are typically affected by cardiac ischemia. Such hemodynamic parameters can include, e.g., cardiac contractility or stroke volume. The device then distinguishes stroke and cardiac ischemia from one another based on whether any changes detected in the hemodynamic parameters are consistent with cardiac ischemia.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: June 18, 2013
    Assignee: Pacesetter, Inc.
    Inventor: Euljoon Park
  • Patent number: 8463399
    Abstract: The various embodiments disclosed herein relate to medical electrical leads. More specifically, certain embodiments relate to leads having one or more drug-eluting components that are overmolded or otherwise positioned on the lead. Other embodiments relate to leads having one or more patterned surfaces, including some leads with one or more patterned surfaces over which one or more drug-eluting components are positioned. Further implementations relate to leads having one or more overmolded patterned surfaces, including some embodiments in which the overmolded surfaces contain at least one drug-eluting component.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: June 11, 2013
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Jeannette C. Polkinghorne, Joseph A. Cihlar, Mitchell L. Horn-Wyffels, Joseph J. Nelsen, Raymond Gessler, Erin K. Webb, Joseph J. Schachtner, Arienne P. Simon, Andrew De Kock
  • Patent number: 8433420
    Abstract: A telemetry system for data transmission between an implantable medical device and an external system includes a plurality of channels each representing a frequency band within a predetermined frequency range. The data transmission is performed using at least one active channel at any instant. Channel hopping is performed upon detecting an interruption of communication, such that a scan is performed through an array of channels selected from the plurality of channels. If a data frame is not successfully transmitted, it is repeatedly re-transmitted using the current and/or the next active channels until its transmission becomes successful.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: April 30, 2013
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Joseph E. Bange, Earle Roberts, Kenneth F. Cowan, Mehdi Katoozi
  • Patent number: 8412315
    Abstract: Assessing health condition of an animal under study includes receiving heart rate information of the animal under study and performing heart rate variability (HRV) analysis on the received heart rate information for determining autonomic dynamics of the animal under study with respect to a species of which the animal under study is a member, wherein the HRV analysis relates to time domain HRV data and frequency domain HRV data of the received heart rate information that are evaluated with respect to physiological states and corresponding health condition for the time domain HRV data and frequency domain HRV data for the species of the animal under study.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: April 2, 2013
    Inventor: Christine Ross
  • Patent number: 8406886
    Abstract: The invention provides an implant, system and method for electrically stimulating a target tissue to either activate or block neural impulses. The implant provides a conductive pathway for a portion of electrical current flowing between surface electrodes positioned on the skin and transmits that current to the target tissue. The implant has a passive electrical conductor of sufficient length to extend from subcutaneous tissue located below a surface cathodic electrode to the target tissue. The conductor has a pick-up end which forms an electrical termination having a sufficient surface area to allow a sufficient portion of the electrical current to flow through the conductor, in preference to flowing through body tissue between the surface electrodes, such that the target tissue is stimulated to either activate or block neural impulses. The conductor also has a stimulating end which forms an electrical termination for delivering the current to the target body tissue.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: March 26, 2013
    Assignee: Rehabtronics, Inc.
    Inventors: Robert Andrew Gaunt, Arthur Prochazka
  • Patent number: 8391984
    Abstract: A system is described for detecting and/or treating depression that may be incorporated into an implantable device such as a cardiac rhythm management device. The device may determine that depression is present by analysis of heart rate variability measured using the cardiac sensing channels of the device and/or by detection of blood-borne factors that are associated with depression. If depression is detected, the device may be configured to automatically delivery therapy such as neuromodulation and/or drug delivery.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: March 5, 2013
    Assignee: Cardiac Pacemakers, Inc.
    Inventor: Helen L. Reeve
  • Patent number: 8380313
    Abstract: A minimally invasive method of introducing an interface element to interface with laryngeal structures of a subject includes forming a subperichondral tunnel on an outside of a cricoid cartilage arch and through the cricoid cartilage arch towards a cricothyroid joint to form an insertion route. The method also includes inserting a hollow needle into the insertion route to a posterior space of a cricoid cartilage plate of the subject, positioning at least one interface element along the insertion route for interfacing with the laryngeal structures of the subject, and retracting the hollow needle back along the insertion route.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: February 19, 2013
    Assignee: MED-EL Elektromedizinische Geraete GmbH
    Inventors: Andreas Müller, Gerhard Foster, Rudolf Hagen
  • Patent number: 8364251
    Abstract: Methods for performing cardiac signal analysis in an implanted medical device, and devices configured to perform illustrative methods of cardiac signal analysis. A cardiac signal is captured by an implanted device using implanted electrodes and, during at least certain conditions, the cardiac signal undergoes heuristic filtering. In some embodiments, heuristic filtering is achieved by modifying a signal or value that is used as an indicator of received signal amplitude. In an illustrative example, the heuristic filtering includes periodically incrementing or decrementing the signal or value toward a desired quiescent point, where the heuristic filter period is significantly longer than the sampling period for the signal itself. In another illustrative example, the heuristic filter frequency can be adjusted dynamically to keep the signal average near the desired quiescent point.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: January 29, 2013
    Assignee: Cameron Health, Inc.
    Inventor: James William Phillips
  • Patent number: 8355802
    Abstract: A stimulation electrode is produced having a porous film layer and being partially coated with an insulating parylene (polyparaxylylene) film, whose insulating film has a dielectric breakdown voltage of greater than 100 V. Parylene is deposited on the entire surface of a porous film coating and then partially removed again by plasma. After the partial removal of the parylene, this porous film still has a capacitance of greater than 15 mF/cm2 in a physiological NaCl solution at a frequency of 0.1 Hz. For the stimulation electrode, the transition from the insulating film to the porous film is formed so that the film thickness of the parylene film decreases continuously. In this way, a stimulation electrode having a porous film layer and being partially coated with an insulating parylene film is provided, whose electrode on the non-insulating parylene film-coated surface has a capacitance of greater than 15 mF/cm2 in a physiological NaCl solution at a frequency of 0.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: January 15, 2013
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Oliver Keitel, Frank Krüger, Michael Pönitz
  • Patent number: 8355795
    Abstract: A visual prosthesis apparatus and a method for limiting power consumption in a visual prosthesis apparatus. The visual prosthesis apparatus comprises a camera for capturing a video image, a video processing unit associated with the camera, the video processing unit configured to convert the video image to stimulation patterns, and a retinal stimulation system configured to stop stimulating neural tissue in a subject's eye based on the stimulation patterns when an error is detected in a forward telemetry received from the video processing unit.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: January 15, 2013
    Assignee: Second Sight Medical Products, Inc.
    Inventors: Robert J. Greenberg, Kelly H. McClure, Arup Roy
  • Patent number: 8323187
    Abstract: A method, system, and apparatus of a medical device powered by deliberate human motion for limited use are disclosed. In one embodiment, a medical device includes a motion module to sense whether a deliberate human motion is convertible to an electric current to power the medical device, a power module to convert the deliberate human motion to a limited use electric current that enables the medical device to operate during a limited cycle of time, and an energy storage module to store the limited use electric current converted from the deliberate human motion. The medical device may include a power sensing module to determine whether a threshold amount of energy has been generated. The medical device may also include a sensor of the motion module to sense whether the deliberate human motion is convertible to the limited use electric current by permitting a physical object to oscillate.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: December 4, 2012
    Assignee: Black Mountain Ventures
    Inventor: Zach Jones