# US 8,465,424 B2 · Mobile device and system for monitoring and recording body vital signs > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,465,424 B2 - Document ID: US8465424B2 - Status: Granted - Kind: B2 - Application number: 12/053,765 - Filed: 2008-03-24 - Published: 2009-09-24 - Granted: 2013-06-18 - Earliest claimed: 2008-03-24 - Assignees: Sudhir Aggarwal - Applicants: Sudhir Aggarwal - Inventors: Sudhir Aggarwal - Web page: https://patentgrep.com/patent/US8465424B2 ## CPC - A61B 5/022: by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers - A61B 5/0002: {Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network (endoradiosondes A61B5/07)} - A61B 5/02116: {of pulse wave amplitude (A61B5/02225 takes precedence)} - A61B 5/6887: {mounted on external non-worn devices, e.g. non-medical devices} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A method and apparatus is disclosed herein for monitoring vital signs using a health monitor embedded into a mobile device. In one embodiment, the apparatus comprises a mobile device having an embedded health monitor to take measurements of vital signs of an individual, to determine vital sign parameters from the measurements, and to transfer the vital sign parameters; and a computing system communicably coupled to the mobile device to store the vital sign parameters and to perform trend analysis on stored vital sign parameters and to provide feedback to the user or user specified persons and generate alarms. ## Claims ### Claim 1 An apparatus comprising: a mobile device having an embedded health monitor adapted to take measurements of vital signs of an individual, determine blood pressure and heart rate parameters from the measurements, and transfer the parameters, wherein the embedded health monitor is adapted to perform radial pulse tonometry with a sensor enclosed in a sensor housing with an open cavity adapted to separate the sensor from skin over an artery when placed on a user, the open cavity adapted to become a closed cavity when placed on a user and utilize cavity resonance that transfers changing arterial pressure from the skin to the sensor through air moving in and out of a hole in a wall of the closed cavity, and pressure changes from the changing arterial pressure are transformed by the sensor to a pressure signal proportional to the pressure in the radial artery, and wherein the embedded health monitor is adapted to store the parameters in a memory of the mobile device and displays the stored parameters in a display of the mobile device; and a remote computing system communicably coupled to the mobile device that is adapted to receive and store the parameters, transferred from the mobile device, and perform trend analysis on stored vital sign parameters. ### Claim 2 (depends on 1) The system defined in claim 1 wherein the embedded health monitor is adapted to generate an induced pressure signal from cavity resonance caused by an artery blood pressure of the body from which one of the measurements is being measured while preserving a normal throughput of the artery. ### Claim 3 (depends on 2) The system defined in claim 2 wherein the embedded health monitor is adapted to produce a voltage proportional to instantaneous blood pressure in the artery and create a waveform with the sensor, wherein the sensor is a piezo-resistive sensor, and wherein the embedded health monitor obtains systolic and diastolic blood pressure and heart rate of the body from the waveform. ### Claim 4 (depends on 1) The system defined in claim 1 wherein the embedded health monitor includes a temperature sensor adapted to measure temperature of the body. ### Claim 5 (depends on 1) The system defined in claim 1 wherein the embedded health monitor has no mechanical moving parts within the cavity. ### Claim 6 (depends on 1) The system defined in claim 1 wherein the embedded health monitor comprise a wireless transmitter adapted to communicate with a computing device via wireless communication. ### Claim 7 (depends on 1) The system defined in claim 1 wherein the mobile device comprises one of a group consisting of a cell phone, a portable media player, a memory device, a watch, a game controller, a laptop or other compact computer, a personal navigation device, a personal radio, a personal digital assistant, and a pedometer. ### Claim 8 A system comprising: a mobile device having an embedded health monitor device having a blood pressure sensor and a temperature sensor that take blood pressure and temperature measurements, respectively, of a body of an individual, the blood pressure sensor having a sensor enclosed in a sensor housing with an open cavity adapted to separate the sensor from skin over an artery when placed on an individual, the open cavity adapted to become a closed cavity when placed on the individual and utilize cavity resonance that transfers changing arterial pressure from the skin to the sensor through air moving in and out of a hole in a wall of the closed cavity, and pressure changes from the changing arterial pressure are transformed by the sensor to a pressure signal proportional to the pressure in the radial artery of the individual to a waveform, a pair of amplifiers coupled to the sensors that amplifies the sensed signal measurements, a controller coupled to the pair of amplifiers that receives amplified signal measurement values and determines vital sign parameters from the amplified measurement values, and a communication mechanism coupled to the controller that transfers the vital sign parameters; and a remote computing system communicably coupled to the mobile device that receives and stores the vital sign parameters from the communication mechanism and performs trend analysis on one or more stored vital sign parameters generated from measurements to determine systolic and diastolic blood pressure and heart rate of the body. ### Claim 9 (depends on 8) The system defined in claim 8 wherein the blood pressure sensor performs radial pulse tonometry. ### Claim 10 (depends on 9) The system defined in claim 9 wherein the blood pressure sensor performs radial pulse tonometry and generates an induced pressure signal from an artery of the body from which one of the measurements is being measured. ### Claim 11 (depends on 10) The system defined in claim 10 wherein the blood pressure sensor produces a voltage proportional to instantaneous blood pressure in the artery and the controller creates a waveform using a piezo-resistive sensor, and wherein the embedded health monitor obtains the systolic and diastolic blood pressure and the heart rate of the body from the waveform. ### Claim 12 (depends on 8) The system defined in claim 8 wherein the blood pressure sensor has no mechanical moving parts within the cavity. ### Claim 13 (depends on 8) The system defined in claim 8 wherein the mobile device comprises one of a group consisting of a cell phone, a portable media player, a memory device, a watch, a game controller, a laptop or other compact computer, a personal navigation device, a personal radio, a personal digital assistant, and a pedometer. ### Claim 14 (depends on 8) The system defined in claim 8 wherein the embedded health monitor device comprises a USB port. ### Claim 15 (depends on 8) The system defined in claim 8 wherein the communication mechanism transfers the vital sign parameters from the mobile device to the computing system for analysis via a networked environment. ### Claim 16 (depends on 15) The system defined in claim 15 wherein the networked environment comprises the internet. ### Claim 17 (depends on 15) The system defined in claim 15 wherein the computing system accumulates the vital sign parameters over a period of time via the networked environment and generates alerts if analysis of the vital sign parameters indicates the vital sign parameters are outside a vital sign parameter limit. ### Claim 18 (depends on 17) The system defined in claim 17 wherein the analysis comprises generating graphs and trend analysis over a period of time. ### Claim 19 A mobile device comprising: an embedded health monitor device having a blood pressure sensor and a temperature sensor that takes blood pressure and temperature measurements, respectively, of a body of an individual, the blood pressure sensor having a sensor enclosed in a sensor housing with an open cavity adapted to separate the sensor from skin over an artery when placed on an individual, the open cavity adapted to become a closed cavity when placed on the individual and utilize cavity resonance that transfers changing arterial pressure from the skin to the sensor through air moving in and out of a hole a wall of the closed cavity, and pressure changes from the changing arterial pressure are transformed by the sensor to a pressure proportional to pressure in a radial artery of the individual to a waveform, a pair of amplifiers coupled to the sensors that amplify the measurements, a controller coupled to the pair of amplifiers that receive amplified measurement values and determine vital sign parameters from the amplified measurement values, and a communication mechanism coupled to the controller that transfers the vital sign parameters. ### Claim 20 (depends on 19) The mobile device defined in claim 19 wherein the communication mechanism is communicably coupled to a networked environment and transfers the vital sign parameters for analysis. ### Claim 21 (depends on 20) The mobile device defined in claim 20 wherein the networked environment comprises the internet.