IMPLANTABLE MEDICAL DEVICES WITH LOW VOLUME BATTERIES, AND SYSTEMS
First Claim
Patent Images
1. An implantable cardioverter defibrillator device comprising:
- control electronics for delivering therapy and/or monitoring physiological signals, the control electronics comprising;
a processor;
memory;
a stimulation generator that generates at least one of cardiac pacing pulses, defibrillation shocks, and cardioversion shocks; and
a sensing module for monitoring a patient'"'"'s heart rhythm;
one or more defibrillator capacitors; and
an implantable medical device battery operably connected to the control electronics to deliver power to the control electronics, and operably connected to the capacitors to charge the capacitors;
wherein the battery has a total volume of no greater than 6.0 cc, the battery comprising;
an anode comprising lithium;
a cathode having a total uniform thickness of less than 0.014 inch;
a separator between the anode and the cathode; and
an electrolyte contacting the anode, the cathode, and the separator;
wherein the cathode material comprises a metal oxide;
wherein the battery has a therapeutic power of at least 0.11 W for every joule of therapeutic energy delivered over the useful life of the battery, and a therapeutic capacity density of at least 0.08 Ah/cc.
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Abstract
Implantable medical devices, implantable medical device systems that include such implantable medical devices, and implantable medical device batteries, as well as methods of making. Such devices can include a battery of relatively small volume but of relatively high power (reported as therapeutic power) and relatively high capacity (reported as capacity density).
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Citations
24 Claims
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1. An implantable cardioverter defibrillator device comprising:
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control electronics for delivering therapy and/or monitoring physiological signals, the control electronics comprising; a processor; memory; a stimulation generator that generates at least one of cardiac pacing pulses, defibrillation shocks, and cardioversion shocks; and a sensing module for monitoring a patient'"'"'s heart rhythm; one or more defibrillator capacitors; and an implantable medical device battery operably connected to the control electronics to deliver power to the control electronics, and operably connected to the capacitors to charge the capacitors;
wherein the battery has a total volume of no greater than 6.0 cc, the battery comprising;an anode comprising lithium; a cathode having a total uniform thickness of less than 0.014 inch; a separator between the anode and the cathode; and an electrolyte contacting the anode, the cathode, and the separator; wherein the cathode material comprises a metal oxide; wherein the battery has a therapeutic power of at least 0.11 W for every joule of therapeutic energy delivered over the useful life of the battery, and a therapeutic capacity density of at least 0.08 Ah/cc.
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2. An implantable medical device comprising:
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control electronics for delivering therapy and/or monitoring physiological signals, the control electronics comprising; a processor; and memory; and an implantable medical device battery operably connected to the control electronics to deliver power to the control electronics;
wherein the battery has a total volume of no greater than 6.0 cc, the battery comprising;an anode comprising lithium; a cathode having a total uniform thickness of less than 0.014 inch; a separator between the anode and the cathode; and an electrolyte contacting the anode, the cathode, and the separator; wherein the cathode material comprises a metal oxide; wherein the battery has a therapeutic power of at least 0.11 W for every joule of therapeutic energy delivered over the useful life of the battery, and a therapeutic capacity density of at least 0.08/kb/cc. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An implantable medical device comprising:
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control electronics for delivering therapy and/or monitoring physiological signals, the control electronics comprising; a processor; and memory; and an implantable medical device battery operably connected to the control electronics to deliver power to the control electronics;
wherein the battery has a total volume of no greater than 6.0 cc, the battery comprising;an anode comprising lithium; a cathode comprising a single current collector and having a total uniform thickness of less than 0.014 inch; a separator between the anode and the cathode; and an electrolyte contacting the anode, the cathode, and the separator; wherein the cathode material comprises a layer on each major surface of the single current collector, wherein the layer comprises a mixture comprising a metal oxide and carbon monofluoride; wherein the battery has a therapeutic power of at least 0.11 W for every joule of therapeutic energy delivered over the useful life of the battery, and a therapeutic capacity density of at least 0.08 Ah/cc. - View Dependent Claims (13)
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14. An implantable medical device battery comprising:
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an anode comprising lithium; a cathode having a total uniform thickness of less than 0.014 inch;
wherein the cathode material comprises a metal oxide;a separator between the anode and the cathode; and an electrolyte contacting the anode, the cathode, and the separator; wherein the battery has a therapeutic power of at least 0.11 W for every joule of therapeutic energy delivered over the useful life of the battery, and a therapeutic capacity density of at least 0.08 Ah/cc. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification