Devices and methods for treatment of heart failure and associated conditions
First Claim
1. An implantable baroreflex system, comprising:
- a baroreflex activation device configured to be implantable proximate a blood vessel of a patient;
a measurement device configured to be implantable proximate a blood vessel; and
a control system coupled to the baroreflex activation device and the measurement device, and in communication with a blood pressure sensing means, the control system programmed to automatically;
determine an impedance of the blood vessel with the measurement device;
determine waveform data based on the blood vessel impedance over a time period of at least a portion of one cardiac cycle;
determine a patient physiological parameter based on the waveform data; and
compare the patient physiological parameter to a blood pressure measurement taken from the blood pressure sensing means.
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Accused Products
Abstract
Devices and methods of use are described for identification, treatment, and/or management of heart failure and/or associated conditions. An exemplary system may include a baroreflex activation device configured to be implantable proximate a blood vessel of a patient, a measurement device configured to be implantable proximate a blood vessel, and a control system coupled to the baroreflex activation device and the measurement device and in communication with a blood pressure sensing means. The control system is programmed to automatically determine pressure waveform data from the measurement device over a time period of at least a portion of one cardiac cycle, determine a patient physiological parameter based on the pressure waveform data, and compare the patient physiological parameter to a blood pressure measurement taken from the blood pressure sensing means.
58 Citations
29 Claims
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1. An implantable baroreflex system, comprising:
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a baroreflex activation device configured to be implantable proximate a blood vessel of a patient; a measurement device configured to be implantable proximate a blood vessel; and a control system coupled to the baroreflex activation device and the measurement device, and in communication with a blood pressure sensing means, the control system programmed to automatically; determine an impedance of the blood vessel with the measurement device; determine waveform data based on the blood vessel impedance over a time period of at least a portion of one cardiac cycle; determine a patient physiological parameter based on the waveform data; and compare the patient physiological parameter to a blood pressure measurement taken from the blood pressure sensing means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method, comprising:
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causing a baroreflex therapy system to be manufactured and made available to a user, wherein manufacture of the baroreflex therapy system further comprise;
constructing a baroreflex activation device, constructing a measurement device, and constructing a control system coupled to the baroreflex activation device and the measurement device;causing a blood pressure sensing means to be manufactured and made available to a user, the blood pressure sensing means in communication with the control system; and providing instructions to the user recorded on a tangible medium, the instructions comprising; implanting the activation device proximate a blood vessel of a patient; implanting the measurement device proximate a blood vessel; and causing the control system to; determine an impedance of the blood vessel with the measurement device; determine waveform data based on the blood vessel cycle; determine a patient physiological parameter based on the waveform data; obtain a blood pressure measurement via the blood pressure sensing means; and compare the blood pressure measurement to the patient physiological parameter. - View Dependent Claims (19, 20, 21, 22, 23)
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24. A method of comparing parameters, comprising:
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providing an implantable baroreflex therapy system, including a baroreflex activation device having a therapy electrode, a measurement device having a measurement electrode, and a control system coupled to the baroreflex activation device and the measurement device; providing a blood pressure sensing means in communication with the control system; and implanting the baroreflex therapy system such that the therapy electrode is proximate a blood vessel of a patient and the measurement electrode is proximate the blood vessel, wherein the control system is programmed to; determine an impedance of the blood vessel with the implantable measurement device over a time period of at least one cardiac cycle; determine a patient physiological parameter based on the impedance of the blood vessel; obtain a blood pressure measurement via the blood pressure sensing means; and compare the blood pressure measurement to the patient physiological parameter. - View Dependent Claims (25, 26, 27, 28, 29)
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Specification