# US 9,872,987 B2 · Method and system for treating congestive heart failure > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,872,987 B2 - Document ID: US9872987B2 - Status: Granted - Kind: B2 - Application number: 13/867,778 - Filed: 2013-04-22 - Published: 2013-09-12 - Granted: 2018-01-23 - Earliest claimed: 2004-06-08 - Assignees: Cardiac Pacemakers, Inc. - Applicants: Cardiac Pacemakers, Inc. - Inventors: Imad Libbus; Quan Ni; Kent Lee - Web page: https://patentgrep.com/patent/US9872987B2 ## CPC - A61N 1/3601: {of respiratory organs} - A61N 1/3611: {Respiration control (stimulating respiratory organs A61N1/3601)} - A61N 1/3614: {based on impedance measurement} - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) ## Abstract An approach to treating congestive heart failure includes monitoring pulmonary congestion. Monitoring pulmonary congestion includes sensing a physiologic parameter using a sensor implanted within the patient. The method further comprises delivering a congestive heart failure therapy using a stimulator implanted within the patient. Delivering the congestive heart failure therapy includes delivering electrical stimulation to the patient using the sensed parameter to control the congestive heart failure therapy. ## Claims ### Claim 1 A method for using an implantable system implanted within a congestive heart failure patient, comprising: monitoring pulmonary congestion, wherein monitoring pulmonary congestion includes sensing a physiologic parameter using a sensor implanted within the patient, wherein sensing the physiologic parameter includes sensing ventricular filling pressure; and delivering a congestive heart failure therapy using a stimulator implanted within the patient, wherein delivering the congestive heart failure therapy includes delivering electrical stimulation to the patient using the sensed parameter to control the congestive heart failure therapy, the congestive heart failure therapy including a neural stimulation therapy. ### Claim 2 (depends on 1) The method of claim 1, wherein delivering the congestive heart failure therapy includes delivering a baroreflex therapy. ### Claim 3 (depends on 1) The method of claim 1, wherein delivering the congestive heart failure therapy further includes delivering myocardial stimulation. ### Claim 4 (depends on 1) The method of claim 1, wherein delivering the congestive heart failure therapy includes delivering at least one disordered breathing therapy. ### Claim 5 (depends on 4) The method of claim 4, wherein delivering at least one disordered breathing therapy includes stimulating a hypoglossal nerve. ### Claim 6 (depends on 4) The method of claim 4, wherein delivering at least one disordered breathing therapy includes stimulating a phrenic nerve. ### Claim 7 (depends on 1) The method of claim 1, wherein delivering the congestive heart failure therapy includes delivering at least two disordered breathing therapies, wherein delivering the at least two disordered breathing therapies includes: stimulating at least two of a baroreflex target to cause a baroreflex response in the patient, a phrenic nerve, or a hypoglossal nerve; and coordinating the delivery of the disordered breathing therapies. ### Claim 8 (depends on 1) The method of claim 1, wherein the delivering electrical stimulation to the patient using the sensed parameter to control the congestive heart failure therapy includes delivering the electrical stimulating using a closed loop control system and using the sensed parameter for feedback to the closed loop control system. ### Claim 9 (depends on 1) The method of claim 1, wherein sensing a physiologic parameter includes using sensing impedance. ### Claim 10 An implantable system for implantation within a congestive heart failure patient, comprising: an implantable sensor configured to sense a physiologic parameter; a stimulator configured to deliver a congestive heart failure therapy, the congestive heart failure therapy including a neurostimulation therapy, wherein in delivering the congestive heart failure therapy the stimulator is configured to deliver electrical stimulation to the patient; and a controller configured to monitor pulmonary congestion using the sensed physiologic parameter and use the sensed physiologic parameter to control the congestive heart failure therapy, wherein the congestive heart failure therapy includes at least two disordered breathing therapies, the at least two disordered breathing therapies including at least two of: a baroreflex target to cause a baroreflex response in the patient, a phrenic nerve, or a hypoglossal nerve; and the controller is configured to coordinate the delivery of the disordered breathing therapies. ### Claim 11 (depends on 10) The system of claim 10, wherein the congestive heart failure therapy includes a baroreflex therapy. ### Claim 12 (depends on 10) The system of claim 10, wherein the congestive heart failure therapy further includes myocardial stimulation. ### Claim 13 (depends on 10) The system of claim 10, wherein the congestive heart failure therapy includes at least one disordered breathing therapy. ### Claim 14 (depends on 13) The system of claim 13, wherein the at least one disordered breathing therapy includes electrical stimulation of a hypoglossal nerve. ### Claim 15 (depends on 13) The system of claim 13, wherein the at least one disordered breathing therapy includes electrical stimulation of a phrenic nerve. ### Claim 16 (depends on 10) The system of claim 10, wherein the controller is configured to deliver the electrical stimulating using a closed loop control system and use the sensed parameter for feedback to the closed loop control system. ### Claim 17 (depends on 10) The system of claim 10, wherein the sensor is configured to sense impedance. ### Claim 18 An implantable system for implantation within a congestive heart failure patient, comprising: an implantable sensor configured to sense a physiologic parameter, wherein the sensor is configured to sense ventricular filling pressure; a stimulator configured to deliver a congestive heart failure therapy, wherein in delivering the congestive heart failure therapy the stimulator is configured to deliver electrical stimulation to the patient; and a controller configured to monitor pulmonary congestion using the sensed physiologic parameter and use the sensed physiologic parameter to control the congestive heart failure therapy. ### Claim 19 (depends on 18) The system of claim 18, wherein the stimulator configured to deliver the congestive heart failure therapy is configured to stimulate a phrenic nerve to deliver at least one disordered breathing therapy. ### Claim 20 (depends on 18) The system of claim 18, wherein delivering the congestive heart failure therapy further includes delivering myocardial stimulation.