Abstract: A leadwire for physiological patient monitoring is provided that transfers potentials received at a chest electrode to a data acquisition device. The leadwire includes an electrode end connectable to the chest electrode and a first conductive layer extending from the electrode end. The leadwire also has a device end connectable to a data acquisition device and a second conductive layer extending from the device end. The first conductive layer is galvanically isolated from the second conductive layer such that the first conductive layer and the second conductive layer form a capacitor.

Abstract: A wireless patient monitor comprises a generic activator module having a universal connection port that connects with any one of multiple sensor devices, a battery, and a radio transmitter wirelessly connected to a host device. The generic activator module connects to any one of multiple sensor devices via the universal connection port to provide power from the battery to the sensor device and to receive digital physiological data from the sensor device. The radio transmitter transmits the digital physiological data received from the sensor device to a host device.

Abstract: A non-invasive blood pressure monitoring device includes an inflatable blood pressure cuff, a pump device for pressurizing the cuff, a pressure sensor to monitor blood pressure as physiological parameter, and an electrically actuated, normally-open solenoid valve configured to maintain a cuff pressure. A control unit configured to regulate a valve hold value for holding the normally-open solenoid valve at a desired closed position, wherein the valve hold value is at least one of a voltage value and a current value for controlling actuation of the normally-open solenoid valve. At least one inertial sensor configured to detect and transmit motion signals representative of external motions applied to the portable medical device, wherein the control unit is configured to regulate the valve hold value as a function of the motion signals of the at least one inertial sensor to maintain the normally-open solenoid valve in the closed position.

Abstract: The present disclosure relates to a device and method for controlling a solenoid valve of a portable medical device. The portable medical device comprises a power source; an electrically actuated valve, a control unit for regulating at least one of a control voltage and a control current for actuation of the valve, and at least one inertial sensor for detecting and transmitting motion signals representative of external motions applied to the portable medical device. The control unit is configured to regulate the at least one of the control voltage and the control current of the valve as a function of the motion signals of the at least one inertial sensor.

Abstract: A wireless patient monitor comprises a generic activator module having a universal connection port that connects with any one of multiple sensor devices, a battery, and a radio transmitter wirelessly connected to a host device. The generic activator module connects to any one of multiple sensor devices via the universal connection port to provide power from the battery to the sensor device and to receive digital physiological data from the sensor device. The radio transmitter transmits the digital physiological data received from the sensor device to a host device.

Abstract: Systems and methods are provided for a respiratory sensor for a medical monitoring system that does not require an internal power source. The systems and methods adjust an electrical characteristic of a respiratory sensor based on a property of interest of an airflow path, receiving an excitation signal, and generating a response based on the excitation signal and the electrical characteristic.

Abstract: A non-invasive blood pressure monitor has a blood pressure cuff and a wireless blood pressure determination unit. The wireless blood pressure determination unit automatically determines the fastest method for measuring blood pressure of a patient based on an initial blood pressure measurement made while inflating the cuff.

Abstract: A patient monitoring system includes at least two wireless sensing devices, each configured to measure a different physiological parameter from a patient and wirelessly transmit a parameter dataset. The system further includes a receiver that receives each parameter dataset, a processor, and a monitoring regulation module executable on the processor to assign one of the at least two wireless sensing devices as a dominant wireless sensing device and at least one of the remaining wireless sensing devices as a subordinate wireless sensing device. The physiological parameter measured by the dominant wireless sensing device is a key parameter and the parameter dataset transmitted by the dominant wireless sensing device is a key parameter dataset. The key parameter dataset from the dominant wireless sensing device is processed to determine a stability indicator. The subordinate wireless sensing device is then operated based on the stability indicator for the key parameter.

Abstract: A wireless patient monitor comprises a generic activator module having a universal connection port that connects with any one of multiple sensor devices, a battery, and a radio transmitter wirelessly connected to a host device. The generic activator module connects to any one of multiple sensor devices via the universal connection port to provide power from the battery to the sensor device and to receive digital physiological data from the sensor device. The radio transmitter transmits the digital physiological data received from the sensor device to a host device.

Abstract: A method for verifying wireless devices connected to a wireless medical body area network, MBAN, is provided. The method comprises activating a request for verification by a user activating the request for verification on any one of the wireless devices; receiving the request for verification by the any one wireless device of the wireless MBAN; and indicating a plurality of wireless devices connected to the wireless MBAN by displaying an indication on the plurality of wireless devices. A wireless MBAN comprising wireless devices. The wireless MBAN comprises each wireless device being configured for an activation of a verification; and a plurality of the wireless devices being configured to display an identification upon the activation of the verification.

Abstract: A reflective SpO2 measurement system includes a light source that emits light of at least a first and second wavelengths, and one or more detection devices forming a close detector positioned at a first distance from the light source and a far detector positioned at a second distance from the light source, wherein the second distance is greater than the first. The SpO2 measurement system is configured to operate in a high power mode to determine a calibration factor based on the comparison of light reflections detected by the close detector and the far detector. The system is further configured to operate in a low power mode to generate a low intensity light pulse, and detect a close reflection of the low intensity light pulse with the close detector. An SpO2 is then determined based on the close reflection of the low intensity light pulse and the calibration factor.

Abstract: A patient monitoring system having defibrillation protection includes a data acquisition device and a leadset. The data acquisition device records physiological signals from a patient, the data acquisition device having at least three receiving ports, each receiving port configured to connect to a patient connector. The leadset includes a galvanic patient connector that galvanically connects a first receiving port of the data acquisition device and the patient and at least a first capacitive patient connector and a second capacitive patient connector, wherein each capacitive patient connector capacitively couples a respective receiving port of the data acquisition device and the patient.

Abstract: A method for managing wireless devices in a wireless medical body area network, MBAN, comprises configuring the wireless MBAN based on all wireless devices of the MBAN comprising at least one sensor and at least one hub, by sharing identification data, battery status, and communication performance between wireless devices of the wireless MBAN; providing a plurality of the wireless devices with at least short range communication and long range communication; and configuring a first wireless device of the wireless MBAN as a master depending on battery status and communication performance. Thereafter, the method comprises configuring a second wireless device of the wireless MBAN as a new master if the battery status and communication performance of the master drops below that of the second wireless device; and routing data transfer within the wireless MBAN depending on the battery status and communication performance of the wireless devices of the wireless MBAN.

Abstract: An ECG monitoring system includes two or more active electrodes, each active electrode having an electrode pad fixable to a patient to sense physiological potentials from the patient, a common connection port, and a wireless transmitter. The system further includes a common connector electrically connected to the common connector port of each of the two or more active electrodes to provide a comparator signal to each of the active electrodes. Each of the active electrodes compares the physiological potentials sensed at the electrode pad against the comparator signal to generate a cardiac signal, and then wirelessly transmits the cardiac signal with the wireless transmitter.

Abstract: A patient monitoring system comprises a data acquisition device that records physiological signals from a patient, the data acquisition device having at least 3 receiving ports, each receiving port configured to connect to a patient connector. The monitoring system further includes a galvanic patient connector that galvanically connects a first receiving port of the patient connector and the patient, and at least a first capacitive patient connector and a second capacitive patient connector. Each capacitive patient connector capacitively couples a respective receiving port of the data acquisition device and the patient.

Abstract: A method of monitoring a patient includes operating each of one or more wireless sensing devices to measure a physiological parameter from a patient and wirelessly transmit a parameter dataset, and receiving the one or more parameter datasets from the one or more wireless sensing devices. The method further includes calculating a patient condition index based on the one or more parameter datasets, wherein the patient condition index is an indicator of stability of the one or more physiological parameters. A measurement interval is then assigned for each wireless sensing device based on the patient condition index, and each wireless sensing device is operated according to the respective measurement interval.

Abstract: A reflective SpO2 measurement system includes a light source that emits light of at least a first and second wavelengths, and one or more detection devices forming a close detector positioned at a first distance from the light source and a far detector positioned at a second distance from the light source, wherein the second distance is greater than the first. The SpO2 measurement system is configured to operate in a high power mode to determine a calibration factor based on the comparison of light reflections detected by the close detector and the far detector. The system is further configured to operate in a low power mode to generate a low intensity light pulse, and detect a close reflection of the low intensity light pulse with the close detector. An SpO2 is then determined based on the close reflection of the low intensity light pulse and the calibration factor.

Abstract: A method of associating wireless devices with a wireless medical body area network, MBAN, where the wireless MBAN comprises at least one host is provided. The method comprises activating the host to search for wireless devices in range; displaying a list on the host of available wireless devices in range, wherein displaying the list comprises displaying each wireless device on the list with a unique representation on the list and the same unique representation on the wireless device itself; selecting a wireless device on the list; and associating the selected wireless device on the list with the host.

Abstract: A system for monitoring blood pressure includes a blood pressure cuff, a blood pressure measurement device removably connected to the blood pressure cuff, and a cuff verification module. The cuff verification module is executable on a processor to receive medical record information from a patient, determine an expected cuff size for the patient based on the medical record information, receive a detected cuff size for the blood pressure cuff, and verify that the detected cuff size is consistent with the expected cuff size.

Abstract: A patient monitoring system includes a capacitive electrode connectable to a patient to detect an output signal and a signal generator unit that transmits a carrier signal to the capacitive electrode, the carrier signal having a carrier frequency and a carrier amplitude. The patient monitoring system further includes an amplifier unit that amplifies the output signal detected by the capacitive electrode to generate an amplified output signal. A gain determination module in the patient monitoring system determines an output amplitude of a carrier frequency portion of the amplified output signal, and determines a system gain based on a comparison between the output amplitude and the carrier amplitude. A voltage determination module in the patient monitoring system filters the output signal to isolate a physiological signal detected from the patient, and determines a voltage of the physiological signal based on the system gain.