Method and apparatus for sensing mechanical energy of an implantable lead
First Claim
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1. An apparatus comprising:
- an implantable sensor configured for coupling to an implantable lead, wherein the implantable lead is configured for placement through a heart valve, and wherein the implantable sensor provides an electrical vibration sensor signal representative of mechanical vibration induced on the implantable lead by the heart valve impacting the implantable lead;
a signal analyzer circuit communicatively coupled to the implantable sensor, wherein the signal analyzer circuit is configured to;
determine a baseline of the vibration sensor signal induced by the heart valve;
detect a change in the vibration sensor signal from the baseline vibration sensor signal; and
provide an indication of the change to a user or process.
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Abstract
An apparatus comprises an implantable sensor and a signal analyzer circuit communicatively coupled to the implantable sensor. The implantable sensor is configured for coupling to an implantable lead and the implantable sensor provides an electrical vibration sensor signal representative of mechanical vibration of the implantable lead. The signal analyzer circuit is configured to determine a baseline of the vibration sensor signal, detect a change in the vibration sensor signal from the baseline vibration sensor signal, and provide an indication of the change to a user or process.
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Citations
20 Claims
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1. An apparatus comprising:
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an implantable sensor configured for coupling to an implantable lead, wherein the implantable lead is configured for placement through a heart valve, and wherein the implantable sensor provides an electrical vibration sensor signal representative of mechanical vibration induced on the implantable lead by the heart valve impacting the implantable lead; a signal analyzer circuit communicatively coupled to the implantable sensor, wherein the signal analyzer circuit is configured to; determine a baseline of the vibration sensor signal induced by the heart valve; detect a change in the vibration sensor signal from the baseline vibration sensor signal; and provide an indication of the change to a user or process. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus comprising:
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an implantable sensor configured for coupling to an implantable lead, wherein the implantable sensor provides an electrical vibration sensor signal representative of mechanical vibration of the implantable lead; an actuating device to induce the mechanical vibration on the implantable lead, wherein the electrical vibration sensor signal is representative of a reflection on the implantable lead of the mechanical vibration induced by the actuating device; and a signal analyzer circuit communicatively coupled to the implantable sensor, wherein the signal analyzer circuit is configured to; determine a baseline of the vibration sensor signal; detect a change in the vibration sensor signal from the baseline vibration sensor signal; and provide an indication of the change to a user or process. - View Dependent Claims (11, 12)
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13. A method comprising:
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obtaining, using an implantable sensor of an implantable medical device (IMD), an electrical vibration signal representative of mechanical vibration induced on an implantable lead by a heart valve impacting the implantable lead, wherein the implantable lead is coupled to the IMD; determining, using a signal analyzer circuit, a baseline vibration signal; detecting a change in the electrical vibration signal from the baseline vibration signal; and providing an indication of the change to a user or process. - View Dependent Claims (14, 15, 16, 17)
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18. A method comprising:
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inducing a mechanical vibration on the implantable lead using an actuating device of an implantable medical device (IMD); obtaining, using an implantable sensor of an implantable medical device (IMD), an electrical vibration signal representative of a reflection of the induced mechanical vibration on the implantable lead, wherein the implantable lead is coupled to the IMD; evaluating, using a signal analyzer circuit communicatively coupled to the implantable sensor, lead integrity using the reflected electrical vibration signal; and providing an indication of the lead integrity to a user or process. - View Dependent Claims (19, 20)
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Specification