An electrode patch for use with an external medical device, the electrode patch comprising: a first surface configured to be attached to a skin of a patient monitored by the external medical device, and an indicating mechanism disposed on the electrode patch and configured to indicate an end of a predetermined lifespan of the electrode patch.

Example implants, systems and methods using sensors for orthopedic surgical assessment and/or planning are described herein. An example system can include a wearable sensor device for pre-operative use by a patient before an orthopedic surgery to generate pre-operative sensor data. The system can also include an implantable sensor device (e.g., a bone implant) to generate and aggregate post-operative sensor data associated with the patient after the surgery. The system can retrieve the pre-operative sensor data and the post-operative sensor data and predict, analyze or assess an outcome of the surgery.

A device can be coupled to a foley catheter inserted into the bladder of a patient, where the foley catheter includes a urine passage through which urine can be drained from the bladder. The device includes a pressure sensor that is connected to a urine outlet of the urine passage and configured to measure a pressure value of the urine being drained through the urine outlet, a processor connected to the pressure sensor and configured to determine whether the foley catheter can be removed by comparing the pressure value and a predetermined threshold value, and a display unit connected to the processor and displaying whether the foley catheter can be removed according to the control of the processor.

Systems and methods for wireless communication of analyte information are disclosed. Example embodiments include an analyte sensor system. The analyte sensor system may include an analyte sensor to gather information related to a level of an analyte in a host. The analyte sensor system may include circuitry to transmit and receive wireless signals using a first antenna. The analyte sensor may be coupled to the circuitry before the analyte sensor system is transitioned into an operational state. The analyte sensor system may include a second antenna to receive an input signal from a source external to the analyte sensor system and to transmit a modified signal. The circuitry may use the first antenna to receive the modified signal The analyte sensor system may transition into the operational state in response to the modified signal received using the first antenna.

A capnography system includes a CO.sub.2 sensing system having a CO.sub.2 sensor configured to measure a CO.sub.2 concentration in exhaled breath of a subject, a processor configured to derive one or more breath related parameters based on the measured CO.sub.2 concentration, and a communication unit. The capnography system includes a tubing system configured to allow flow of respiratory gasses therethrough. The tubing system includes a connector configured to connect the tubing system to the CO.sub.2 sensing system and a communication component configured to provide an indication of a type of the tubing system to the communication unit. The communication unit is configured to transfer data to the processor based on the indication obtained from the communication component, and the processor is configured to change or suggest a change of an operation mode of the CO.sub.2 sensing system based on the data.

A medical device is configured to detect an atrial tachyarrhythmia episode. The device senses a cardiac signal, identifies R-waves in the cardiac signal attendant ventricular depolarizations and determines classification factors from the R-waves identified over a predetermined time period. The device classifies the predetermined time period as one of unclassified, atrial tachyarrhythmia and non-atrial tachyarrhythmia by comparing the determined classification factors to classification criteria. A classification criterion is adjusted from a first classification criterion to a second classification criterion after at least one time period being classified as atrial tachyarrhythmia. An atrial tachyarrhythmia episode is detected by the device in response to at least one subsequent time period being classified as atrial tachyarrhythmia based on the adjusted classification criterion.

A robotic surgery system is disclosed that can include an instrument including an operational tool coupled to a positioner and an input device configured to generate input signals in response to manipulation by an operator representing a desired spatial positioning of the tool within a tool workspace including extents corresponding to physical movement limitations for the positioner. A processor can be configured to receive the input signals and process the signals to determine the desired spatial positioning. The processor can be configured to initiate a movement management function in response to a determination that the desired spatial positioning would result in a movement of the positioner associated with a potential service life reduction for the instrument. The processor can be configured to generate drive signals for movement of the positioner in response to a determination that the desired spatial positioning is not associated with a potential reduction in service life.

A method for determining a switch-off time of a medical instrument includes measuring the duration for which the temperature of a tissue is above 85° Celsius, preferably above 95° Celsius, calculating, preferably online, the mean temperature from the first time when 85° Celsius, preferably 95° Celsius is reached, measuring and/or calculating the energy input until 85° Celsius, preferably 95° Celsius, and preferably below 110° Celsius, preferably below 100° Celsius is reached, calculating a parameter SP, which links the above mentioned results, and switches off at a predetermined value. The method can be practiced with a medical instrument as well as an application and a storage medium.

An adherence monitor for attachment to an inhaler is disclosed. The inhaler has a drug canister, an actuator holding the drug canister, the actuator having a mouthpiece, and a dosing device operable to allow the drug canister to be actuated to release a dose. The adherence monitor includes an actuation detection sensor operable to sense the physical movement of the drug canister when actuated. An inhalation data sensor is operable to sense air pressure change created by the inhalation. A controller is coupled to the sensors to record an actuation event.

Systems and methods for wireless communication of analyte information are disclosed. Example embodiments include an analyte sensor system. The analyte sensor system may include an analyte sensor to gather information related to a level of an analyte in a host. The analyte sensor system may include circuitry to transmit and receive wireless signals using a first antenna. The analyte sensor may be coupled to the circuitry before the analyte sensor system is transitioned into an operational state. The analyte sensor system may include a second antenna to receive an input signal from a source external to the analyte sensor system and to transmit a modified signal. The circuitry may use the first antenna to receive the modified signal. The analyte sensor system may transition into the operational state in response to the modified signal received using the first antenna.