Abstract: A two part patient monitoring device includes an activator module and a sensor device. The activator module includes a non-galvanic data port that creates a communication path with a non-galvanic data port on the sensor device. The activator module includes power contact pads that are each at least partially surrounded by a bias ring. A bias voltage is applied to the bias rings and a processor or circuit in the activator module monitors the voltage on the bias ring to detect a leakage current. The sensor module includes power contact pins that engage the power contact pads to transfer power from the activator module to the sensor device. Each of the contact pins are surrounded by a seal member such that the connection between the power contact pins and the power contact pads is protected from debris and/or moisture.

Abstract: Various methods and devices are provided for detecting a device connection based on a magnetic signature. In one example, a host device includes a connector configured to connect to a medical sensor device, a magnetic detection unit positioned proximate the connector and including a magnetic field generator and one or more magnetic field detectors, and a memory storing instructions executable by a processor to determine a magnitude of a magnetic field generated by the magnetic field generator based on output from the one or more magnetic field detectors and in response to detecting a change in the magnitude of magnetic field that is greater than a threshold change, establish a connection with the medical sensor device.

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 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 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: Various methods and devices are provided for detecting a device connection based on a magnetic signature. In one example, a host device includes a connector configured to connect to a medical sensor device, a magnetic detection unit positioned proximate the connector and including a magnetic field generator and one or more magnetic field detectors, and a memory storing instructions executable by a processor to determine a magnitude of a magnetic field generated by the magnetic field generator based on output from the one or more magnetic field detectors and in response to detecting a change in the magnitude of magnetic field that is greater than a threshold change, establish a connection with the medical sensor 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: 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 two part patient monitoring device includes an activator module and a sensor device. The activator module includes a non-galvanic data port that creates a communication path with a non-galvanic data port on the sensor device. The activator module includes power contact pads that are each at least partially surrounded by a bias ring. A bias voltage is applied to the bias rings and a processor or circuit in the activator module monitors the voltage on the bias ring to detect a leakage current. The sensor module includes power contact pins that engage the power contact pads to transfer power from the activator module to the sensor device. Each of the contact pins are surrounded by a seal member such that the connection between the power contact pins and the power contact pads is protected from debris and/or moisture.

Abstract: A two part patient monitoring device includes an activator module and a sensor device. The activator module includes a non-galvanic data port that creates a communication path with a non-galvanic data port on the sensor device. The activator module includes power contact pads that are each at least partially surrounded by a bias ring. A bias voltage is applied to the bias rings and a processor or circuit in the activator module monitors the voltage on the bias ring to detect a leakage current. The sensor module includes power contact pins that engage the power contact pads to transfer power from the activator module to the sensor device. Each of the contact pins are surrounded by a seal member such that the connection between the power contact pins and the power contact pads is protected from debris and/or moisture.

Abstract: A data acquisition system for use with expandable ECG electrode systems. The data acquisition system includes a main unit and one or more expansion units for increasing the number of ECG leads applied to a patient for enhanced monitoring capabilities. Multiple embodiments are illustrated for providing a common mode signal between the main electrode unit and expansion units without requiring the physical transmission of voltage potential between the main unit and the expansion unit. In one embodiment, the main unit and the expansion unit share a common ground reference potential. In a second embodiment, an optical signal is transmitted between the main unit and the extension unit to relay the common mode information while in a third embodiment, common electrode potentials are provided to both the main unit and the extension unit for constructing their own common reference signal.

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: Devices and methods for detecting a medical sensor device being attached to a host device are disclosed. The host device includes a reader circuit that can generate an AC pilot signal. When the medical sensor device is being attached to the host device, the AC pilot signal is fed to a non-linear circuit in the sensor device, which responds with a DC signal. The host device compares the magnitude of the response signal with a threshold magnitude. If the magnitude of the response signal is greater than the threshold magnitude, the host device determines that the sensor device is being attached and establishes connection with the sensor 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: 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 system is provided for aligning data stream signals that includes a plurality of end points each having a system clock and a communication circuit. The plurality of end points are configured to generate operation data having a system clock value based on the system clock. The system also includes a first node having a communication circuit configured to be communicatively coupled to the plurality of end points by a bi-directional communication link. The first node receives the operation data from the plurality of end points along the bi-directional communication link. The first node includes a controller circuit configured to determine a clock value and speed offsets between the first node and a first end point. Additionally, the controller circuit is configured to transmit a message sequence to determine the clock value and speed offsets.

Abstract: A two part patient monitoring device includes an activator module and a sensor device. The activator module includes a non-galvanic data port that creates a communication path with a non-galvanic data port on the sensor device. The activator module includes power contact pads that are each at least partially surrounded by a bias ring. A bias voltage is applied to the bias rings and a processor or circuit in the activator module monitors the voltage on the bias ring to detect a leakage current. The sensor module includes power contact pins that engage the power contact pads to transfer power from the activator module to the sensor device. Each of the contact pins are surrounded by a seal member such that the connection between the power contact pins and the power contact pads is protected from debris and/or moisture.

Abstract: A data acquisition system for use with expandable ECG electrode systems. The data acquisition system includes a main unit and one or more expansion units for increasing the number of ECG leads applied to a patient for enhanced monitoring capabilities. Multiple embodiments are illustrated for providing a common mode signal between the main electrode unit and expansion units without requiring the physical transmission of voltage potential between the main unit and the expansion unit. In one embodiment, the main unit and the expansion unit share a common ground reference potential. In a second embodiment, an optical signal is transmitted between the main unit and the extension unit to relay the common mode information while in a third embodiment, common electrode potentials are provided to both the main unit and the extension unit for constructing their own common reference signal.

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.