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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Schmidt; Craig L.
Address:
Eagan, MN
No. of patents:
48
Patents:












Patent Number Title Of Patent Date Issued
8178242 Lithium-ion battery May 15, 2012
A lithium-ion battery includes a positive electrode having a current collector and a first active material and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a lithium titanate material
8131367 System and method for monitoring power source longevity of an implantable medical device March 6, 2012
Power source longevity monitor for an implantable medical device. An energy counter counts the amount of energy used by the implantable medical device. An energy converter converts the energy used into an estimate of remaining power source longevity and generating an energy longevity
8105714 Lithium-ion battery January 31, 2012
A lithium-ion battery includes a plurality of generally planar positive and negative electrodes arranged in alternating fashion to form an electrode stack. Each of the electrodes includes a current collector having two opposed surfaces and an active material provided on at least one
8027728 High power implantable battery with improved safety and method of manufacture September 27, 2011
A power control circuit for an implantable medical device is presented. The power control circuit includes a first high rate cell, a second high rate cell, at least one resistive load, and at least one control circuit. The at least one resistive load is connected between the first and th
7931987 Lithium-ion battery April 26, 2011
A lithium-ion battery includes a positive electrode comprising a current collector and a first active material comprising LiCoO.sub.2 and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a
7927742 Negative-limited lithium-ion battery April 19, 2011
A rechargeable lithium-ion battery includes a positive electrode that includes a first current collector and a first active material. The battery also includes an electrolyte and a negative electrode that includes a second current collector and a second active material, where the sec
7883790 Method of preventing over-discharge of battery February 8, 2011
A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector and a first active material, a negative electrode including a current collector and a second active
7881796 Implantable medical device with a nonhermetic battery February 1, 2011
An implantable medical device (IMD) including a nonhermetic battery is described. The IMD includes components and a power source module that includes the nonhermetic battery. The IMD also includes a barrier to substantially impede movement of substances from the nonhermetic battery t
7879495 Medical device having lithium-ion battery February 1, 2011
A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode comprising a current collector and a first active material and a negative electrode comprising a current collector, a second activ
7875389 Lithium-ion battery January 25, 2011
A lithium-ion battery includes a positive electrode having an active material and a polymeric separator configured to allow electrolyte and lithium ions to flow between a first side of the separator and an opposite second side of the separator. The battery also includes a liquid elec
7858236 Lithium-ion battery December 28, 2010
A lithium-ion battery includes a positive electrode that includes a positive current collector, a first active material, and a second active material. The lithium-ion battery also includes a negative electrode comprising a negative current collector, a third active material, and a qu
7824805 Implantable medical device battery November 2, 2010
A battery cell in an implantable medical device is presented. The battery cell includes an anode, a cathode, an insulator therebetween, and an electrolyte. The cathode includes silver vanadium oxide and fluorinated carbon (CFx). The CFx includes fluorine at greater than or equal to 61
7811705 Lithium-ion battery October 12, 2010
A lithium-ion battery includes a positive electrode that includes a current collector that includes a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO.sub.2, LiMn.sub.2O.sub.4, LiNi.sub.xCo.sub.
7807300 Resistance-stabilizing additives for electrolyte October 5, 2010
A resistance-stabilizing additive to an electrolyte for a battery cell in an implantable medical device is presented. At least one resistance-stabilizing additive is selected from a group comprising an electron withdrawing group, an aromatic diacid salt, an inorganic salt, an aliphat
7807299 Lithium-ion battery October 5, 2010
A lithium-ion battery includes a positive electrode including a positive current collector, a first active material, and a second active material. The battery also includes a negative electrode having a negative current collector and a third active material, the third active material
7803481 Lithium-ion battery September 28, 2010
A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The
7794869 Lithium-ion battery September 14, 2010
A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The
7740985 Lithium-ion battery June 22, 2010
A lithium-ion battery includes a positive electrode that has a current collector and a first active material and a negative electrode that has a current collector, a second active material, and a third active material. The second active material includes a lithium titanate material and t
7682745 Medical device having lithium-ion battery March 23, 2010
A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO.sub.2,
7662509 Lithium-ion battery February 16, 2010
A battery includes a positive electrode having a current collector and a first active material and a negative electrode having a current collector and a second active material. The battery also includes an auxiliary electrode having a current collector and a third active material. The
7657315 Implantable medical device with a dual power source February 2, 2010
An implantable medical device includes a control circuit for controlling the operation of the device and for obtaining physiological data from a patient in which the medical device is implanted. The implanted device also includes a communication circuit for transmitting the physiological
7642013 Medical device having lithium-ion battery January 5, 2010
A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector, a first active material, and a second active material. The lithium-ion battery also includes a nega
7641992 Medical device having lithium-ion battery January 5, 2010
A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector and a first active material, a negative electrode including a current collector and a second active
7635541 Method for charging lithium-ion battery December 22, 2009
A method for charging an implantable medical device includes charging a lithium-ion battery provided in a medical device, the lithium-ion battery having a negative electrode with a lithium titanate active material. For at least a portion of the charging, the potential of the negative
7616995 Variable recharge determination for an implantable medical device and method therefore November 10, 2009
Implantable medical device adapted to provide a therapeutic output to a patient. A therapy module, operatively coupled to a battery, is adapted to provide the therapeutic output. A control circuit provides an action indicative of recharging the battery when the voltage of the battery
7582387 Lithium-ion battery September 1, 2009
A lithium-ion battery includes a positive electrode that includes a positive current collector, a first active material, and a second active material. The lithium-ion battery also includes a negative electrode comprising a negative current collector, a third active material, and a qu
7563541 Lithium-ion battery July 21, 2009
A battery includes a positive electrode including a current collector and a first active material and a negative electrode including a current collector, a second active material, and a third active material. The first active material, second active material, and third active material
7542801 System and method for monitoring power source longevity of an implantable medical device June 2, 2009
Power source longevity monitor for an implantable medical device. An energy counter counts the amount of energy used by the implantable medical device. An energy converter converts the energy used into an estimate of remaining power source longevity and generating an energy longevity
7337010 Medical device having lithium-ion battery February 26, 2008
An exemplary embodiment relates to a medical device that includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode comprising a current collector, a first active material, and a second active material.
7337001 Implantable medical device and method with a dual power source incorporating electrolyte additiv February 26, 2008
An implantable medical device includes a control circuit for controlling the operation of the device and for obtaining physiological data from a patient in which the medical device is implanted. The implanted device also includes a communication circuit for transmitting the physiological
7335440 Lithium-limited anode subassembly with solid anode current collector and spacer February 26, 2008
An anode subassembly for use in an implantable electrochemical cell includes a solid anode current collector and an alkali metal anode pressed onto the solid anode current collector such that the solid anode current collector is located on the outer side of the outermost winding of a
7297443 Lithium-limited anode subassembly November 20, 2007
An anode subassembly is provided for use in an implantable electrochemical cell wherein the anode subassembly includes an anode current collector designed to eliminate perforation edges in the final, outermost turn of a coiled electrode assembly. The anode current collector may be of a
7263401 Implantable medical device with a nonhermetic battery August 28, 2007
An implantable medical device (IMD) including a nonhermetic battery is described. The IMD includes components and a power source module that includes the nonhermetic battery. The IMD also includes a barrier to substantially impede movement of substances from the nonhermetic battery t
7248920 Apparatus and method for exercising a battery for an implantable medical device July 24, 2007
A method and apparatus exercise a battery of an implantable medical device by determining whether a film is disposed on a portion of an electrode of a battery, discharging the battery a sufficient amount to reduce the film, and optimizing energy used during exercising the battery. The
7209784 High power implantable battery with improved safety and method of manufacture April 24, 2007
Implantable medical devices in embodiments of the invention may include one or more of the following features: (a) a hermetic enclosure, (b) a low-power control circuit located in the enclosure, (c) a high-power output circuit located in the enclosure for delivering an electrical pul
7191008 Implantable medical device with a dual power source March 13, 2007
An implantable medical device includes a control circuit for controlling the operation of the device and for obtaining physiological data from a patient in which the medical device is implanted. The implanted device also includes a communication circuit for transmitting the physiological
7002790 Capacitor in an implantable medical device February 21, 2006
A capacitor in an implantable medical device is provided. The capacitor having an anode, a cathode including a conductive coating, and an electrolyte disposed and in contact between the anode and the cathode. The conductive coating is composed of a chemisorbed conductive layer that i
6901293 System and method for monitoring power source longevity of an implantable medical device May 31, 2005
Power source longevity monitor for an implantable medical device. An energy counter counts the amount of energy used by the implantable medical device. An energy converter converts the energy used into an estimate of remaining power source longevity and generating an energy longevity
6650942 Implantable medical device with dual cell power source November 18, 2003
An implantable medical device having a dual cell power source powering a high-power output circuit and a low-power control circuit. The power source includes a first, high-rate cell and a second, lower-rate cell having a rate capability less than a rate capability of the first, high-
6274265 Method and system for evaluating an electrochemical cell for use with an implantable medical dev August 14, 2001
A method of evaluating an electrochemical cell for a metallic contaminant-caused defect. The electrochemical cell is configured for use with an implantable medical device and includes an anode, a solid cathode and a liquid electrolyte. The method includes storing the cell at an eleva
6132896 Electrochemical cell with circumferential cathode current collector October 17, 2000
An electrochemical cell has a silver vanadium oxide cathode material formed into a pellet shape which expands as the cell is discharged. A cathode current collector circumferentially surrounds the cathode pellet and is in contact with the peripheral edge of the cathode pellet to prevent
5716729 Electrochemical cell February 10, 1998
An electrochemical cell has a cathode material formed into a pellet shape which expands as the cell is discharged. A cathode current collector circumferentially surrounds the cathode pellet and is in contact with the peripheral edge of the cathode pellet to prevent peripheral cathode
5549985 Method of assembling electrochemical cells of novel construction August 27, 1996
A lithium halide button cell formed of simplified sub-assemblies including one such subassembly in which molten cathode material is poured into a retaining ring and allowed to solidify therein before incorporation into the cell.
5500026 Method of assembling electrochemical cells of novel construction March 19, 1996
A lithium halide button cell formed of simplified sub-assemblies including one such subassembly in which molten cathode material is poured into a retaining ring and allowed to solidify therein before incorporation into the cell.
5455123 Method for making an electrochemical cell October 3, 1995
A method for making a primary cell comprising a lithium anode and an iodine containing cathode. The cell is first subjected to a preliminary conditioning at a predetermined time/temperature to effect a reduction in the impedance of the cell followed by cell discharge of at least 2 mAh pe
5402070 Fault-tolerant elective replacement indication for implantable medical device March 28, 1995
A pacemaker having a fault-tolerant elective replacement indicator (ERI) triggering scheme in which transient excursions of parameters used as criteria for triggering ERI are rejected as triggering events. Periodic assessments of certain indicia of battery depletion are made, and sub
5370668 Fault-tolerant elective replacement indication for implantable medical device December 6, 1994
A pacemaker having a fault-tolerant elective replacement indicator (ERI) triggering scheme in which transient excursions of parameters used as criteria for triggering ERI are rejected as triggering events. Periodic assessments of certain indicia of battery depletion are made, and sub
5369364 Battery state of charge determination with plural periodic measurements to determine its interna November 29, 1994
A method and apparatus for measuring the depletion level (depth of discharge) of a lithium-iodine battery in an implantable medical device. A first set of measurements are made to determine the internal impedance of the battery, and a second set of measurements are made to determine the










 
 
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