Abstract: Disclosed are a method for measuring the level of muscle relaxation, a device thereof and an apparatus for measuring muscle relaxation, and the method respectively obtains the sampled values of the acceleration and angular velocity of the measurement site via an acceleration sensor and an angular velocity sensor or a speed sensor and an angular velocity sensor, in order to calculate the degree of muscle relaxation according to the sampled values of the acceleration and angular velocity. As the calculated results combine the sampled values of the acceleration and angular velocity of the measurement site, the accuracy of the calculated results is higher. Moreover, the measurement combines an acceleration sensor and an angular velocity sensor or a speed sensor and an angular velocity sensor, so that the apparatus for measuring muscle relaxation can be placed in any position of the measurement site without influencing the accuracy of the measured results.

Abstract: This disclosure relates to bioelectric signal detecting circuits, lead wire detecting circuits and medical devices. The lead wire detecting circuit may include a reference voltage generator, at least one comparator, and a logic control module, wherein input ends of the comparator are connected to an output end of the reference voltage generator and an signal output end of a lead wire, respectively, for inputting a reference voltage and a lead signal, and the comparator compares the lead signal with the reference voltage and changes an output voltage at an output end of the comparator according to a comparison result; wherein an input end of the logic control module is connected to the output end of the comparator, and the logic control module determines whether the lead wire is in a connected state or disconnected state by the output voltage at the output end of the comparator.

Abstract: The invention discloses an air circuit adapter that includes an external conduit, an air collector and an internal conduit. The external conduit includes a first interface and a second interface. An exterior surface of the external conduit includes a sampling interface. The interior conduit can affix inside the external conduit. The air collector can be connected with the sampling interface by a sampling air routing. The sampling air path can radially pass through the internal conduit and the external conduit.

Abstract: Provided is medical equipment for gas monitoring having a gas treatment system, including a first gas monitoring module and an integrated gas circuit board. A first gas circuit that may be a through passage with both inlet and outlet can be arranged inside the integrated gas circuit board. A gas outlet, at least one gas inlet and at least one monitoring interface can be arranged on a surface of the integrated gas circuit board. The gas inlet may include a first gas inlet, and the first gas inlet and the gas outlet can communicate with two ends of the first gas circuit. The monitoring interface may include a first monitoring interface for communication between the first gas circuit and the first gas monitoring module, and an internal gas inlet interface and an internal gas outlet interface for communication between the first gas circuit and a second internal gas monitoring module.

Abstract: Provided are gas treatment devices and medical equipment thereof. The gas treatment device can include at least a first gas monitoring module and a second gas monitoring module, a master control module and an integrated gas circuit board. A gas outlet, at least one gas inlet and a monitoring interface can be arranged on a surface of the integrated gas circuit board, while a first and a second gas circuits may be arranged inside the integrated gas circuit board. The gas inlet can include a first gas inlet and a second gas inlet. The gas outlet and the first gas inlet can communicate with first and second ends of the first gas circuit, and the second gas inlet can communicate with one end of the second gas circuit. The first and the second gas circuits can communicate with the first and the second gas monitoring modules through corresponding monitoring interfaces.

Abstract: This disclosure provides gas monitoring apparatuses, methods and medical devices. A gas monitoring apparatus can include a gas concentration monitoring module, a respiratory mechanics monitoring module and a correction module. The correction module can determine a first correction value based on the gas ingredients and the gas concentration measured by the gas concentration monitoring module, so that the respiratory mechanics monitoring module can correct respiratory mechanics parameter(s) based on the first correction value. The correcting module can also determine a second correction value based on the pressure-related quantity measured by the respiratory mechanics monitoring module, so that the gas concentration monitoring module can correct gas concentration based on the second correction value.

Abstract: The present invention discloses a non-invasive blood pressure measurement apparatus and a safety protection method. In addition to a main pressure measurement circuit and a main microprocessor circuit, the measurement apparatus also includes an independently disposed assist pressure measurement circuit and an independently disposed assist microprocessor circuit. In normal measurement, the assist microprocessor circuit periodically samples a cuff pressure via the assist pressure measurement circuit, and compares the measured cuff pressure with a specified overpressure protection value, and if the cuff pressure exceeds the specified overpressure protection value, the assist microprocessor circuit outputs a control signal to open a deflation valve until the pressure falls to below the safety pressure.

Abstract: A circuit for measuring respiratory waveform with impedance method and a method and device for resisting electrical fast transient interference are provided, and wherein an output from the peak detector circuit and a reference signal are input to two input terminals of the comparator circuit, an output terminal of the comparator circuit is connected to a control terminal of the electronic switch, and one terminal of the electronic switch is connected to an output terminal of the signal amplifier circuit and the other to an input terminal of the demodulator/amplifier circuit. If a level of the output signal of the peak detector circuit is greater than the level of the reference signal, the electronic switch is switched off in response to an inversion of the output of the comparator circuit so that the interference is isolated from the next stage circuit. The present invention is prone to be implemented with significant effect.

Abstract: The present invention discloses a non-invasive blood pressure measurement apparatus and a safety protection method. In addition to a main pressure measurement circuit and a main microprocessor circuit, the measurement apparatus also includes an independently disposed assist pressure measurement circuit and an independently disposed assist microprocessor circuit. In normal measurement, the assist microprocessor circuit periodically samples a cuff pressure via the assist pressure measurement circuit, and compares the measured cuff pressure with a specified overpressure protection value, and if the cuff pressure exceeds the specified overpressure protection value, the assist microprocessor circuit outputs a control signal to open a deflation valve until the pressure falls to below the safety pressure.

Abstract: The present invention discloses a non-invasive blood pressure measurement apparatus and a safety protection method. In addition to a main pressure measurement circuit and a main microprocessor circuit, the measurement apparatus also includes an independently disposed assist pressure measurement circuit and an independently disposed assist microprocessor circuit. In normal measurement, the assist microprocessor circuit periodically samples a cuff pressure via the assist pressure measurement circuit, and compares the measured cuff pressure with a specified overpressure protection value, and if the cuff pressure exceeds the specified overpressure protection value, the assist microprocessor circuit outputs a control signal to open a deflation valve until the pressure falls to below the safety pressure.

Abstract: A system comprises an embedded processor A, a processor or equipment B and a FPGA/CPLD module, wherein a synchronous serial port of the embedded processor A is connected with the FPGA/CPLD module; in which a transmission clock and transmission frame synchronization signal are taken as output, while a receiving clock and receiving frame synchronization signal are taken as input; and a communication interface of the processor or equipment B is connected with the FPGA/CPLD module. This system ensures that the data transmitting party always take initiatives during communications with processor of equipment B. Via the FPGA/CPLD module, the system may interface with other systems through different communication protocols, such that the system need not modify its solutions to adapt to different protocols, but only upgrades the logic of the FPGA/CPLD to adapt to the new interfaces. As such, a high-speed, reliable and flexible communication mechanism is established.

Abstract: The present invention discloses a non-invasive blood pressure measurement apparatus and a safety protection method. In addition to a main pressure measurement circuit and a main microprocessor circuit, the measurement apparatus also includes an independently disposed assist pressure measurement circuit and an independently disposed assist microprocessor circuit. In normal measurement, the assist microprocessor circuit periodically samples a cuff pressure via the assist pressure measurement circuit, and compares the measured cuff pressure with a specified overpressure protection value, and if the cuff pressure exceeds the specified overpressure protection value, the assist microprocessor circuit outputs a control signal to open a deflation valve until the pressure falls to below the safety pressure.

Abstract: A circuit for measuring respiratory waveform with impedance method and a method and device for resisting electrical fast transient interference are provided, and wherein an output from the peak detector circuit and a reference signal are input to two input terminals of the comparator circuit, an output terminal of the comparator circuit is connected to a control terminal of the electronic switch, and one terminal of the electronic switch is connected to an output terminal of the signal amplifier circuit and the other to an input terminal of the demodulator/amplifier circuit. If a level of the output signal of the peak detector circuit is greater than the level of the reference signal, the electronic switch is switched off in response to an inversion of the output of the comparator circuit so that the interference is isolated from the next stage circuit. The present invention is prone to be implemented with significant effect.