RETRIEVAL OF INFORMATION FROM AN IMPLANTABLE MEDICAL DEVICE
First Claim
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1. An implantable medical system, comprising:
- an interrogating device; and
an implantable medical device, having;
an energy harvesting circuit for remotely obtaining energy provided by the interrogating device;
a memory module having a non-volatile memory; and
a memory access unit powered by the energy harvesting circuit to access and transfer information from the non-volatile memory to the interrogating device in response to a command from the interrogating device.
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Abstract
Techniques for retrieving information from an implantable medical device (IMD) having a depleted internal energy source such as a non-rechargeable battery are disclosed. The IMD is powered by and communicates with an external interrogation device to access a memory location of the IMD and for transfer of the information in the memory location to the external interrogation device subsequent to depletion of the internal energy source. In an embodiment, the memory location is included in a non-volatile memory component of the IMD to maintain the information stored in the memory component.
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22 Claims
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1. An implantable medical system, comprising:
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an interrogating device; and an implantable medical device, having; an energy harvesting circuit for remotely obtaining energy provided by the interrogating device; a memory module having a non-volatile memory; and a memory access unit powered by the energy harvesting circuit to access and transfer information from the non-volatile memory to the interrogating device in response to a command from the interrogating device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification