Patents by Inventor Volker Lang
Volker Lang 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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Publication number: 20130274869Abstract: A method for manufacturing an implant and an implant, in particular an intraluminal endoprosthesis, including a body having a coating on at least a portion of the surface thereof, and the degradation of which can be influenced from the outside in a targeted manner, the method having the following steps: a) providing an implant body, and b) applying a coating to the surface of the implant body, wherein the coating comprises unfilled cavities, preferably in the form of microbubbles (2).Type: ApplicationFiled: April 8, 2013Publication date: October 17, 2013Applicant: BIOTRONIK AGInventors: Robert Schmiedl, Matthias Gratz, Max Schaldach, Volker Lang
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Publication number: 20130264310Abstract: A switch for polarity-independent multi-pole direct current operation includes at least two switching chambers. Each switching chamber includes a single circuit breaker with a stationary contact having a first contact region and a movable electrically conductive contact part having a second contact region. The stationary contact and movable contact part are configured to create a connection between the first and the second contact regions in the ON state and to disconnect the first and the second contact regions in the OFF state. Each chamber also includes two arc chutes for quenching an arc forming between the first and the second contact regions when switching to the OFF state. At least two magnets are configured to generate a magnetic field so as to exert a magnetic force on the arcs to divert each are in a direction of an arc chute independent of the direction of current.Type: ApplicationFiled: December 7, 2011Publication date: October 10, 2013Applicant: EATON ELECTRICAL IP GMBH & CO. KGInventors: Volker Lang, Lutz Friedrichsen
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Publication number: 20130264311Abstract: A switch for multi-pole direct current service independent of polarity includes a plurality of switching chambers. Each chamber includes a double interrupter having two separate fixed contacts with a first contact area, a movable contact piece with two second contact areas, each for creating a connection between the contact areas in an ON state and for separating the contact areas in an OFF state, and at least two quenching devices for quenching arcs occurring, when the OFF state is brought about. The switch also includes magnets for exerting a magnetic field in an area of the contact areas to exert a magnetic force on the arcs and drive the arcs, independent of their current direction, in the direction of one of the erasing devices. The contact pieces are disposed with the second contact areas essentially in a line perpendicular to a direction of motion of the arcs.Type: ApplicationFiled: December 7, 2011Publication date: October 10, 2013Applicant: EATON ELECTRICAL IP GMBH & CO. KGInventors: Volker Lang, Lutz Friedrichsen
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Publication number: 20130206729Abstract: A switch suitable for DC applications includes: two fixed conductive contacts with first contact areas; a movable conductive bridge with two second contact areas for being connected to the two first contact areas in the on-status and for being disconnected from the two the first contact areas in the off-status; and two arc-extinguishing units configured to extinguish electric arcs occurring between the first and second contact areas after disconnecting the second contact areas from the first contact areas. First conductive arc-guiding elements extend from each first contact area into the corresponding arc-extinguishing unit and at least one second conductive arc-guiding element extends into the arc-extinguishing units suitably shaped to guide the electric arcs from each of the second contact areas of the movable bridge into the arc-extinguishing units.Type: ApplicationFiled: June 7, 2011Publication date: August 15, 2013Applicant: EATON ELECTRICAL IP GMBH & CO. KGInventors: Volker Lang, Lutz Friedrichsen
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Patent number: 8509896Abstract: An implantable cardiac stimulator (10), configured to switch mode of operation between at least one right ventricular stimulation mode in which no control signals triggering left ventricular stimulation pulses are delivered to the left ventricular stimulation unit and a biventricular stimulation mode in alternation. Switching takes place as a function of duration of prevailing QRS signal interval, such that the cardiac stimulator switches to biventricular stimulation mode when comparison of the duration of a prevailing QRS signal interval with a first comparison value reveals the duration of the prevailing QRS signal interval is longer than a first reference value represented by the first comparison value and switches to right ventricular stimulation mode when comparison of the duration of a prevailing QRS signal interval with a second comparison value reveals the duration of the prevailing QRS signal interval is shorter than a second reference value represented by the second comparison value.Type: GrantFiled: November 12, 2008Date of Patent: August 13, 2013Assignee: Biotronik CRM Patent AGInventors: Thomas Doerr, Dirk Muessig, Volker Lang
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Publication number: 20130079839Abstract: The present disclosure refers to a heart stimulator comprising a stimulation control unit, a stimulation unit, an impedance measurement unit and an impedance evaluation unit. The stimulation control unit is operatively connected to the stimulation unit to control timing of stimulation pulses by said stimulation unit. The impedance measurement unit is configured to determine an impedance signal reflecting intracardiac impedance. The impedance evaluation unit is operatively connected to the impedance measurement unit and to the stimulation control unit and is configured to evaluate the impedance signal so as to determine an isovolumic contraction time, an isovolumic relaxation time, an ejection time and a filling time from said impedance signal. The stimulation control unit is further configured to control timing of stimulation pulses depending on a performance index.Type: ApplicationFiled: September 5, 2012Publication date: March 28, 2013Inventors: Jie Lian, Volker Lang, Hannes Kraetschmer, Dirk Muessig
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Patent number: 8380307Abstract: The invention is directed to a heart stimulator for left-ventricular pacing comprising a left ventricular stimulation pulse generator connected or connectable to a single electrode lead for left ventricular stimulation having one or more electrodes for delivery of stimulation pulses to left ventricular myocardial heart tissue, said stimulation pulse generator being adapted to generate and deliver stimulation pulses of switchable polarity. The heart stimulator further comprises a control unit connected to the stimulation pulse generator for controlling the stimulation pulse generator and to trigger generation and delivery of stimulation pulses having a polarity controlled by said control unit, wherein the control unit is adapted to control said left ventricular stimulation pulse generator so as to deliver at least a pair of suprathreshold stimulation pulses of opposite polarity.Type: GrantFiled: October 21, 2008Date of Patent: February 19, 2013Assignee: Biotronik CRM Patent AGInventors: Jie Lian, Garth Garner, Dirk Muessig, Volker Lang
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Publication number: 20120265087Abstract: The type of arrhythmia in a patient's heart can be determined by monitoring the atrial and ventricular rate of the heart; detecting a pathological initial ventricular and/or atrial rate during a first time period; if a pathological initial rate is detected, then administering at least one antiarrhythmic cardioactive drug over a short second time period; detecting the heart's response to the administered drug(s), as by comparing the responsive ventricular and atrial rates with the initial ventricular and atrial rates, respectively, within a third time period; and determining the type of atrial or ventricular arrhythmia from the presence or absence of differences, and the type of differences, between the responsive atrial and ventricular rates compared with the initial atrial and ventricular rates. The invention further involves a related device which includes an implantable cardiac device (10) and a drug delivery device (20).Type: ApplicationFiled: March 27, 2012Publication date: October 18, 2012Inventors: Jie Lian, Volker Lang
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Patent number: 8265741Abstract: A medical device for processing physiological signals such as electrocardiograms. The processing includes: sampling a physiologic signal in a first channel with a first sampling rate, simultaneously sampling the physiologic signal in a second channel with a higher sampling rate to thus generate pairs of sampling values, forming the difference between two sampling values of each pair, comparing said difference with a threshold, and generating a noise detection indicator whenever said threshold is exceeded.Type: GrantFiled: February 23, 2009Date of Patent: September 11, 2012Assignee: Biotronik CRM Patent AGInventors: Hollis Whittington, Dirk Muessig, Volker Lang
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Publication number: 20110270337Abstract: An energy accumulator arrangement for an electromedical implant includes a battery, a capacitor, and a charging device which is designed to supply an electric charge from the battery to the capacitor according to a charging program. A maintenance system for maintaining the energy accumulator arrangement includes a monitoring device contained in the implant which captures a physical parameter value of the energy accumulator arrangement; an evaluation unit for evaluating the captured physical parameter value and generating a resulting evaluation result signal; a transceiver contained in the implant which sends the captured physical parameter value to the evaluation unit, and receive the evaluation result signal generated by the evaluation unit; and additionally a control unit contained in the implant which controls the charging device and the monitoring device, and adapts the charging program as a function of the evaluation result signal.Type: ApplicationFiled: April 12, 2011Publication date: November 3, 2011Inventors: Thomas Doerr, Volker Lang
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Patent number: 8019406Abstract: A medical device and a method is suggested for assessing the risk of R on T events. The device comprises a memory, input means for acquiring or receiving an electrogram signal and processing means. The processing means are adapted to detect R-wave and T-waves represented by said electrogram, establish a QT-RR regression model based detected R-waves and T-waves, estimate a vulnerable period, and store estimated vulnerable period data in said memory. Likewise, the method comprises the steps of to detecting R-wave and T-waves represented by an electrogram, establishing a QT-RR regression model based detected R-waves and T-waves, estimating a vulnerable period, and storing estimated vulnerable period data.Type: GrantFiled: March 10, 2008Date of Patent: September 13, 2011Assignee: Biotronik CRM Patent AGInventors: Jie Lian, Dirk Muessig, Volker Lang
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Patent number: 7930028Abstract: An implantable cardiac device includes a housing (2), pulse generator (7) therein to generate physiologically effective electrical pulses, a shock lead (3), externally of the housing (2), connectable to the pulse generator (7) and implantable into a patient's body to apply physiologically effective electrical pulses to the patient's body, a monitor (8) to automatically detect a lead condition as to whether the shock lead (3) is implanted or not, and control (9), which due to the detected lead condition automatically enables or disables the pulse generator (7).Type: GrantFiled: October 20, 2006Date of Patent: April 19, 2011Assignee: Biotronik CRM Patent AGInventors: Volker Lang, Kurt Swenson, Jim Nelson
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Patent number: 7915985Abstract: A switching device for direct-current applications includes a housing having a first wall and a second wall, a plurality of receiving areas for respective mutually substantially parallel current paths disposed in the housing. Each of the current paths has a respective stationary switching contact element and a respective movable switching contact element, the movable switching element being actuatable into a closed position and into an open position so as to form a respective air break, the respective movable switching contact elements being actuatable simultaneously. The switching device includes a plurality of arc-quenching devices associated with the current paths and disposed next to each other, and at least one magnet. The at least one magnet is configured to generate a magnetic field so as to generate a deflection force on the arcs so as to deflect the respective arcs toward at least one of the respective arc-quenching devices.Type: GrantFiled: November 14, 2008Date of Patent: March 29, 2011Assignee: Eaton Industries GmbHInventors: Gerd Schmitz, Volker Lang, Wolfgang Kremers, Lothar Winzen
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Patent number: 7899520Abstract: A medical device having a sensor for sampling a biological signal, the biological signal representing a signal waveform and forming a waveform vector composed of the biological signal samples, and a memory for storing a least two threshold vectors composed of boundary samples representing at least two boundaries related to the biological signal defining subspaces for the biological signal samples. One threshold vector is an upper threshold vector composed of upper boundary samples and the other threshold vector is a lower threshold vector composed of lower boundary samples. An evaluation unit connected to the sensor determines a similarity index (ASCI) by comparing each of the biological signal samples of the waveform vector to corresponding boundary samples of the threshold vectors, thus determining to which subspace each biological signal sample belongs to and creating a trichotomized signal vector, and calculating the signed correlation product of two trichotomized signal vectors.Type: GrantFiled: May 21, 2008Date of Patent: March 1, 2011Assignee: BIOTRONIK CRM Patent AGInventors: Jie Lian, Garth Garner, Dirk Muessig, Volker Lang
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Patent number: 7890160Abstract: Heart monitoring system includes implantable medical device and service center.Type: GrantFiled: August 30, 2007Date of Patent: February 15, 2011Assignee: Biotronik CRM Patent AGInventor: Volker Lang
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Publication number: 20100326809Abstract: The invention achieves the objective of ensuring that a solar installation mounted on a unit such as, for example, a residential house, can be safely switched off cost-effectively, whereby the consumers are to be galvanically disconnected from the solar installation, and the feed lines leading to the consumers are to be de-energized in case the safety switchgear has triggered a switch-off. A safety switchgear for a solar installation is proposed, whereby the solar installation consists of at least one photovoltaic element, of two connections, each to a feed line leading to a consumer, and said safety switchgear has a bypass that is situated between the two connections and upstream from the feed lines and that has at least one switching mechanism to close the contact points, whereby at least one additional switching mechanism for purposes of opening the contact points is arranged in each of the two feed lines.Type: ApplicationFiled: May 21, 2010Publication date: December 30, 2010Applicant: EATON INDUSTRIES GMBHInventors: Volker Lang, Ralph Linden, Gottfried Tharang
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Publication number: 20100217143Abstract: A medical device for processing physiological signals such as electrocardiograms. The processing includes: sampling a physiologic signal in a first channel with a first sampling rate, simultaneously sampling the physiologic signal in a second channel with a higher sampling rate to thus generate pairs of sampling values, forming the difference between two sampling values of each pair, comparing said difference with a threshold, and generating a noise detection indicator whenever said threshold is exceeded.Type: ApplicationFiled: February 23, 2009Publication date: August 26, 2010Inventors: Hollis Whittington, Dirk Muessig, Volker Lang
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Patent number: 7676272Abstract: An implantable device system comprising an implantable medical device, an external transceiver device and a service center. The implantable medical device comprises a battery and an electronic module including a stimulation pulse generator, a sensing stage, a control unit adapted to collect data representing values of operational parameters (e.g. peak or average current consumption, high/low/average voltage level) of the battery and the electronics. The external transceiver device comprises an external transceiver unit and a data communication interface and the service center comprises another data communication interface adapted to allow data communication with the external transceiver device.Type: GrantFiled: July 24, 2007Date of Patent: March 9, 2010Assignee: Biotronik CRM Patent AGInventor: Volker Lang
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Patent number: 7640058Abstract: A biventricular heart stimulator is adapted to optimize an interventricular delay interval duration by minimizing a mechanical asynchrony between right and left ventricle. Mechanical asynchrony between right and left ventricle is determined by measuring right ventricular and left ventricular intracardiac impedance or conductivity.Type: GrantFiled: September 29, 2006Date of Patent: December 29, 2009Assignee: Biotronik CRM Patent AGInventor: Volker Lang
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Patent number: D671744Type: GrantFiled: August 8, 2011Date of Patent: December 4, 2012Assignee: Ed. Wüsthof, Dreizackwerk KGInventors: Volker Lang, Harald Wüsthof