Patents by Inventor Andrew Kramer

Andrew Kramer 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: 20060052830
    Abstract: A system, method, or device classifies an arrhythmia according to the temporal order in which a depolarization wave associated with a particular heart contraction is received at a plurality of electrodes. One or more antiarrhythmia therapies is mapped to each arrhythmia classification. When a particularly classified arrhythmia is detected, the correspondingly mapped therapy list is selected and an appropriate antiarrhythmia therapy delivered. In one example, the particular therapy delivered in response to an arrhythmia depends at least in part on its historical success in treating arrhythmias of that classification.
    Type: Application
    Filed: November 3, 2005
    Publication date: March 9, 2006
    Applicant: Cardiac Pacemakers, Inc.
    Inventors: Julio Spinelli, Qingsheng Zhu, Jeffrey Stahmann, Andrew Kramer
  • Publication number: 20060036218
    Abstract: Two renal delivery members have two distal ports that are adapted to be positioned within two renal arteries via their corresponding renal ostia at unique locations along an abdominal aortic wall. A proximal coupler assembly is outside the body and is coupled to deliver material to the two distal ports for bi-lateral renal therapy. One or both of the delivery members may be self-cannulating into the corresponding renal ostium, or may be controllably steered into the respective ostium. Non-occlusive anchors may be coupled with one or both of the delivery members at anchoring positions in the renal artery or abdominal aorta to secure the renal delivery member within the renal artery. Renal-active fluid agents are coupled to the bi-lateral delivery system. Another renal therapy system cannulates a renal vein from the vena cava and controls a retrograde delivery of agents to the respective kidney.
    Type: Application
    Filed: March 16, 2005
    Publication date: February 16, 2006
    Applicant: FlowMedica, Inc.
    Inventors: Harry Goodson, Jeffrey Elkins, Samir Patel, Aurelio Valencia, Ricardo Aboytes, Craig Ball, Randy Kesten, Andrew Kramer, Sam Payne, Sophia Pesotchinsky, Michael Rosenthal
  • Publication number: 20060030814
    Abstract: A local renal delivery system includes a flow isolation assembly and a local injection assembly. The flow isolation assembly in one mode is adapted to isolate only a partial flow region along the outer circumference along the aorta wall such that fluids inject there are maintained to flow substantially into the renal arteries. Various types of flow isolation assemblies and local injection assemblies are described.
    Type: Application
    Filed: March 18, 2005
    Publication date: February 9, 2006
    Applicant: FlowMedica, Inc.
    Inventors: Aurelio Valencia, Ricardo Aboytes, Jeffrey Elkins, Harry Goodson, Samir Patel, Craig Ball, Trevor Greenan, Randy Kesten, Andrew Kramer, Sam Payne, Sophia Pesotchinsky, Michael Rosenthal
  • Publication number: 20060004418
    Abstract: A method and system for managing refractory periods in a cardiac rhythm management device configured for biventricular or biatrial sensing. Refractory periods for each channel of the pacemaker are provided by interval timers that are triggered by sensed or paced events in order to prevent misinterpretation of sensing signals.
    Type: Application
    Filed: September 2, 2005
    Publication date: January 5, 2006
    Inventors: Jeffrey Stahmann, Andrew Kramer, James Gilkerson, Lorenzo DiCarlo, Rene Wentkowski
  • Publication number: 20050288723
    Abstract: A cardiac rhythm management system provides both a safe maximum pacing rate limit and a physiological maximum pacing rate limit. In one embodiment, a normal maximum tracking rate (MTR) and a hysteresis MTR are provided. The hysteresis MTR is set higher than the normal MTR and functions as a maximum pacing rate. When an atrial rate exceeds the hysteresis MTR limit, the maximum pacing rate limit is set to the normal MTR. Once the atrial rate falls below a predetermined threshold, the maximum pacing rate limit is set to the hysteresis MTR. This provides for a more rapid and natural maximum pacing rate limit for a patient, while still protecting the patient from being paced at abnormally high rates.
    Type: Application
    Filed: May 6, 2005
    Publication date: December 29, 2005
    Inventor: Andrew Kramer
  • Publication number: 20050267538
    Abstract: An apparatus and method is presented for treating patients with sinus node dysfunction who have apparently normal intrinsic AV conduction and thus do not require ventricular pacing unless there is an unexpected AV conduction failure. In one embodiment, a cardiac device with dual-chamber pacing capability is programmed to operate in a primary DDI (or DDI(R)) mode adjusted to pace only the atria if intrinsic AV conduction is intact and switch to a secondary DDD (or DDD(R)) mode upon detection of AV block.
    Type: Application
    Filed: May 26, 2004
    Publication date: December 1, 2005
    Inventors: Andrew Kramer, Gary Seim
  • Publication number: 20050256547
    Abstract: Methods for failure recovery in a cardiac rhythm management system and apparatus capable of carrying out the methods. The methods include applying a first pacing therapy using one or more leads. The methods further include detecting a failure condition on one or more of the leads, wherein the failure condition prohibits or frustrates application of the first pacing therapy. The methods still further include applying a second pacing therapy using one or more of the leads subsequent to detecting the failure condition. The second pacing therapy is preferably chosen such that the detected failure does not interfere with the second pacing therapy. The second pacing therapy may be applied for only one cardiac cycle. The second pacing therapy may further be applied continuously until the failure condition is resolved, or it may be latched such that physician intervention is required to resume the first pacing therapy.
    Type: Application
    Filed: July 22, 2005
    Publication date: November 17, 2005
    Inventors: Jeffrey Stahmann, Andrew Kramer
  • Publication number: 20050228455
    Abstract: A method of optimizing cardiac resynchronization therapy delay over a patient's full range of activity for use in operating an implantable cardiac pacing device and such a device are disclosed. The method includes measuring selected conduction time between selected sites in the heart for a plurality of beats and logging the values on a periodic repeating programmable basis to produce cumulative data and constructing a current template of conduction time in relation to one or more other sensed parameters of interest over a desired range of patient activity levels. The current template is used to derive suggested optimum pacing timing.
    Type: Application
    Filed: June 9, 2005
    Publication date: October 13, 2005
    Applicant: Cardiac Pacemakers, Inc.
    Inventors: Andrew Kramer, Jeffrey Stahmann, Veerichetty Kadhiresan
  • Publication number: 20050228454
    Abstract: A method of optimizing cardiac resynchronization therapy delay over a patient's full range of activity for use in operating an implantable cardiac pacing device and such a device are disclosed. The method includes measuring selected conduction time between selected sites in the heart for a plurality of beats and logging the values on a periodic repeating programmable basis to produce cumulative data and constructing a current template of conduction time in relation to one or more other sensed parameters of interest over a desired range of patient activity levels. The current template is used to derive suggested optimum pacing timing.
    Type: Application
    Filed: June 1, 2005
    Publication date: October 13, 2005
    Applicant: Cardiac Pacemakers, Inc.
    Inventors: Andrew Kramer, Jeffrey Stahmann, Veerichetty Kadhiresan
  • Publication number: 20050216066
    Abstract: A cardiac rhythm management device in which amplitudes of electrograms from one or more cardiac sites are measured in order to ascertain the extent of hypertrophy. The device may then pace the heart by delivering pacing therapy in a manner that unloads the hypertrophied myocardium to effect reversal of undesirable remodeling.
    Type: Application
    Filed: May 23, 2005
    Publication date: September 29, 2005
    Inventors: Angelo Auricchio, Julio Spinelli, Andrew Kramer
  • Publication number: 20050203581
    Abstract: A system, method, or device classifies an arrhythmia according to the temporal order in which a depolarization wave associated with a particular heart contraction is received at a plurality of electrodes. One or more antiarrhythmia therapies is mapped to each arrhythmia classification. When a particularly classified arrhythmia is detected, the correspondingly mapped therapy list is selected and an appropriate antiarrhythmia therapy delivered. In one example, the particular therapy delivered in response to an arrhythmia depends at least in part on its historical success in treating arrhythmias of that classification.
    Type: Application
    Filed: May 10, 2005
    Publication date: September 15, 2005
    Inventors: Julio Spinelli, Qingsheng Zhu, Jeffrey Stahmann, Andrew Kramer
  • Publication number: 20050165453
    Abstract: A device and method for cardiac rhythm management in which a cardiac site is paced in accordance with a pacing mode that employs sense signals from a different cardiac site. A protective period triggered by the sensing of intrinsic activity at the paced site is used to delay pacing by a protective delay interval without otherwise disturbing the pacing algorithm.
    Type: Application
    Filed: March 21, 2005
    Publication date: July 28, 2005
    Inventors: Jeffrey Stahmann, Andrew Kramer
  • Publication number: 20050131472
    Abstract: A pacing system for providing optimal hemodynamic cardiac function for parameters such as contractility (peak left ventricle pressure change during systole or LV+dp/dt), or stroke volume (aortic pulse pressure) using system for calculating atrio-ventricular delays for optimal timing of a ventricular pacing pulse. The system providing an option for near optimal pacing of multiple hemodynamic parameters. The system deriving the proper timing using electrical or mechanical events having a predictable relationship with an optimal ventricular pacing timing signal.
    Type: Application
    Filed: February 2, 2005
    Publication date: June 16, 2005
    Inventors: Jiang Ding, Yinghong Yu, Andrew Kramer, Julio Spinelli
  • Publication number: 20050131480
    Abstract: A pacing system provides for optimal hemodynamic cardiac function for parameters such as ventricular synchrony or contractility (peak left ventricle pressure change during systole or LV+dp/dt), or stroke volume (aortic pulse pressure) using system for calculating atrio-ventricular delays for optimal timing of a ventricular pacing pulse. The system deriving the proper timing using electrical or mechanical events having a predictable relationship with an optimal ventricular pacing timing signal. A look-up table relating the timing of such electrical or mechanical events to atrioventricular delay time intervals is provided for programming the pacing system.
    Type: Application
    Filed: December 12, 2003
    Publication date: June 16, 2005
    Inventors: Andrew Kramer, Jiang Ding, Yinghong Yu, Julio Spinelli
  • Publication number: 20050065565
    Abstract: A device and method for cardiac rhythm management in which a heart chamber is paced in accordance with a pacing mode that employs sense signals from the opposite chamber. A protection period triggered by the sensing of intrinsic activity in the paced chamber is used to inhibit pacing without otherwise disturbing the pacing algorithm.
    Type: Application
    Filed: November 12, 2004
    Publication date: March 24, 2005
    Inventors: Andrew Kramer, Jeffrey Stahmann
  • Publication number: 20050038477
    Abstract: A method and system for setting the operating parameters of a cardiac rhythm management device in which a plurality of parameter optimization algorithms are available. A measured feature of an electrophysiological signal such as QRS width has been shown to be useful in selecting among certain parameter optimization algorithms.
    Type: Application
    Filed: July 21, 2003
    Publication date: February 17, 2005
    Inventors: Andrew Kramer, Veerichetty Kadhiresan, Jiang Ding, Lawrence Baumann, Scott Vanderlinde
  • Patent number: D504205
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: April 26, 2005
    Assignee: Ariat International, Inc.
    Inventor: Holly Andrews-Kramer
  • Patent number: D515305
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: February 21, 2006
    Assignee: Ariat International, Inc.
    Inventor: Holly Andrews-Kramer
  • Patent number: D515306
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: February 21, 2006
    Assignee: Ariat International, Inc.
    Inventor: Holly Andrews-Kramer
  • Patent number: D516284
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: March 7, 2006
    Assignee: Ariat International, Inc.
    Inventor: Holly Andrews-Kramer