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 electrode thickness of 0.004 inch to 0.014 inch with a tolerance of no more than ±
0.003 inch;
a separator between the anode and the cathode; and
an electrolyte contacting the anode, the cathode, and the separator;
wherein the cathode comprises a mixture of active materials comprising a metal oxide and carbon monofluoride, wherein the carbon monofluoride has a fluorine content of greater than or equal to 61 wt-%;
wherein the anode and cathode have an anode to cathode capacity ratio within a range of 0.6;
1 to 1.5;
1;
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.
1 Assignment
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Accused Products
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
20 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 electrode thickness of 0.004 inch to 0.014 inch with a tolerance of no more than ±
0.003 inch;a separator between the anode and the cathode; and an electrolyte contacting the anode, the cathode, and the separator; wherein the cathode comprises a mixture of active materials comprising a metal oxide and carbon monofluoride, wherein the carbon monofluoride has a fluorine content of greater than or equal to 61 wt-%; wherein the anode and cathode have an anode to cathode capacity ratio within a range of 0.6;
1 to 1.5;
1;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 electrode thickness of 0.004 inch to 0.014 inch with a tolerance of no more than ±
0.003 inch;a separator between the anode and the cathode; and an electrolyte contacting the anode, the cathode, and the separator; wherein the cathode comprises a mixture of active materials comprising a metal oxide and carbon monofluoride, wherein the carbon monofluoride has a fluorine content of greater than or equal to 61 wt-%; wherein the anode and cathode have an anode to cathode capacity ratio within a range of 0.6;
1 to 1.5;
1;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 (3, 4, 5, 6, 7, 8, 9)
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10. 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 electrode thickness of 0.004 inch to 0.014 inch with a tolerance of no more than ±
0.003 inch;a separator between the anode and the cathode; and an electrolyte contacting the anode, the cathode, and the separator; wherein the cathode further comprises a material comprising a layer on each major surface of the single current collector, wherein the layer comprises a mixture of active materials comprising a metal oxide and carbon monofluoride, wherein the carbon monofluoride has a fluorine content of greater than or equal to 61 wt-%; wherein the anode and cathode have an anode to cathode capacity ratio within a range of 0.6;
1 to 1.5;
1;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 (11)
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12. An implantable medical device battery comprising:
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an anode comprising lithium; a cathode having a total electrode thickness of 0.004 inch to 0.014 inch with a tolerance of no more than ±
0.003 inch;
wherein the cathode comprises a mixture of active materials comprising a metal oxide and carbon monofluoride, wherein the carbon monofluoride has a fluorine content of greater than or equal to 61 wt-%;wherein the anode and cathode have an anode to cathode capacity ratio within a range of 0.6;
1 to 1.5;
1;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 (13, 14, 15, 16, 17, 18, 19, 20)
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Specification