Method and apparatus for managing data from multiple sensing channels
First Claim
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1. A device comprising:
- a plurality of implantable electrodes, the electrodes to sense electrical activity of a heart; and
an implantable medical device coupled to the electrodes, the implantable medical device including;
a plurality of sense amplifiers coupled to the electrodes, the sense amplifiers to produce analog electronic signals representative of the electrical activity;
a programmable sampler coupled to the sense amplifiers;
a controller coupled to the programmable sampler, wherein the controller programmably enables the sampler to selectively sample the electronic signals; and
configurable memory coupled to the controller for storage of the sample values, wherein the memory is configurable into a number of buffers by the controller based on the programmable sampling, and wherein the memory includes a buffer length table.
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Abstract
An implantable medical device comprising a plurality of implantable electrodes to sense the electrical activity and an implantable medical device coupled to the electrodes. The implantable medical device includes a plurality of sense amplifiers in communication with the electrodes to produce analog electronic signals representative of the electrical activity and a programmable sampler. The implantable medical device also includes a controller that programmably enables the sampler to selectively sample the electronic signals. The controller also includes memory in communication with the controller for storage of the sample values. The controller configures the memory based on the programmable sampling.
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Citations
52 Claims
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1. A device comprising:
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a plurality of implantable electrodes, the electrodes to sense electrical activity of a heart; and an implantable medical device coupled to the electrodes, the implantable medical device including; a plurality of sense amplifiers coupled to the electrodes, the sense amplifiers to produce analog electronic signals representative of the electrical activity; a programmable sampler coupled to the sense amplifiers; a controller coupled to the programmable sampler, wherein the controller programmably enables the sampler to selectively sample the electronic signals; and configurable memory coupled to the controller for storage of the sample values, wherein the memory is configurable into a number of buffers by the controller based on the programmable sampling, and wherein the memory includes a buffer length table. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A device comprising:
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a plurality of implantable electrodes, wherein at least one electrode is coupled to an implantable lead; and an implantable pulse generator coupled to the electrodes and at least one lead, the pulse generator including; a plurality of sense amplifiers coupled to the electrodes, the sense amplifiers adapted to sense electrical activity of a heart and produce analog electronic signals representative of the activity; at least one analog-to-digital (A/D) converter coupled to the sense amplifiers to convert the signals into digital data representative of the signals; a controller coupled to the A/D converter wherein the controller samples data provided by the sense channels, and wherein the controller initiates sampling at least one electronic signal in response to at least one request for data from at least one user; and memory coupled to the controller, wherein the controller programmably configures memory into a reserved configuration of buffers based on a lead configuration of the implantable pulse generator, and wherein the memory includes a buffer length table. - View Dependent Claims (25, 26, 27, 28)
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29. A method comprising
sensing electrical activity at a plurality of locations of a heart as a result of requests from at least one user; -
converting the sensed activity into data suitable for storage in memory; and programmably configuring a memory included in an implantable medical device into a plurality if buffers and a buffer length table, wherein the buffers accept the data based on a number of requests and types of sensed activity requested by the at least one user. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A system in communication with electrical activity of a heart, the system comprising:
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an implantable medical device, wherein the implantable device includes; a plurality of sense channels adapted to provide analog electronic signals representative of the electrical activity; at least one analog-to-digital (A/D) converter coupled to the sense channels to convert the signals into digital data representative of the signals; a controller coupled to the A/D converter wherein the controller samples data provided by the sense channels, and wherein the controller initiates sampling at least one sense channel in response to a request for data from at least one user; memory coupled to the controller, wherein the controller predetermines a configuration of a portion of the memory, the configuration including a number of buffers and sizes of buffers, to transfer sampled sense channel data from the at least one A/D converter to a configured buffer; and
wherein the memory includes a buffer length table; anda telemetry circuit coupled to the controller to transmit data; and an external device to communicate with the implantable device, wherein the external device provides requests from at least one user to the implantable medical device, the request to sense types of electrical activity, and wherein the external device retrieves the requested data from the implantable medical device. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
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Specification