Abstract: A body temperature measuring probe comprises a temperature sensor, a heating assembly and a position control assembly; the position control assembly controls contact or separation between the heating assembly and temperature sensor. A method for measuring body temperature comprises: starting the temperature sensor; preheating the body temperature measuring probe to a preset temperature range; once the body temperature measuring probe is preheated to the preset temperature range, separating the heating assembly from the temperature sensor, and only making the temperature sensor participate in a thermal equilibrium process of the body temperature measurement; the temperature sensor working to obtain body temperature measurement data.

Abstract: This disclosure relates to methods and apparatus for detecting respiratory rate. The method for detecting respiratory rate may include: sampling respiratory waveform data in a time sequence; detecting respiratory cycles from the sampled respiratory waveform data; calculating variation degree for the sampled respiratory waveform data; calculating base length base on the variation degree; calculating smoothed length base on the base length; calculating real-time degree for each respiratory cycle base on the variation degree, sequence number of each respiratory cycle, and the smoothed length; and calculating respiratory rate base on the smoothed length and the real-time degree.

Abstract: This disclosure relates to methods and apparatus for detecting respiratory rate. The method for detecting respiratory rate may include: sampling respiratory waveform data in a time sequence; detecting respiratory cycles from the sampled respiratory waveform data; calculating variation degree for the sampled respiratory waveform data; calculating base length base on the variation degree; calculating smoothed length base on the base length; calculating real-time degree for each respiratory cycle base on the variation degree, sequence number of each respiratory cycle, and the smoothed length; and calculating respiratory rate base on the smoothed length and the real-time degree.

Abstract: A spirometry-based device for continuous monitoring of work of breathing (WOB) includes a flow sensor and a respiratory mechanics module connected with the flow sensor. The flow sensor may sample an airway gas flow and an airway pressure when a patient is in a state of inspiration. The respiratory mechanics module may calculate an incremental amount of a gas volume that flows to the patient side in a sampling period, calculate a product of the airway pressure and the incremental amount of the gas volume in the sampling period, and accumulate the product into the WOB.

Abstract: A method for measuring blood oxygen content under low perfusion, which is used in a device for measuring blood oxygen content, includes the steps of: initializing the device that is applied with power; collecting and processing data with a driving circuit of light emitting device, a bias circuit, a gain circuit and an A/D sampling circuit, which are controlled under a cone control module; calculating blood oxygen saturation based on the collected data with a data processing module which integrates the collected data in a period of time with an area integration method; and outputting from a communication functional module results of the blood oxygen saturation or pulse rate calculated with the data processing module.

Abstract: The present invention discloses a method for improving recognition rate of respiratory wave, which is used for a data processing module of a respiratory rate measuring or monitoring device, specifically, said method comprises the steps of: receiving, via a data processing module, respiratory wave data which come from a measuring circuit and have been analog-to-digital converted; according to the feature that each crest or trough signal in the respiratory wave data has rising stairs and falling stairs, sequentially searching for and finding out, based on a predetermined number of stairs, the data corresponding to each crest and trough via said data processing module; and determining each crest and trough in a corresponding respiratory wave.

Abstract: A 3-way solenoid valve (20) is arranged between a cuff (10) and a first pressure sensor (30), wherein the common port of the 3-way solenoid valve (20) is connected with the first pressure sensor (30), the normally open port thereof connected with the cuff (10), and the normally closed port thereof connected with the air atmosphere during zeroing process. Moreover, an independent timing circuit (45) is provided additionally. In the measurement method of the present invention, the zeroing is performed with the help of the 3-way solenoid valve (20). Once a state of overtime or overpressure occurs, an air pump (50) is immediately closed, and a quick-deflation solenoid valve (60) is opened so that the pressure in the cuff (10) is released to ensure safe application.

Abstract: Provided is a non-invasive electronic method and apparatus for measuring blood pressure, in which the data is processed with an algorithm of non-linear fitting for recovering trend envelope of an oscillating PW by a firmware, so that the trend envelope of PW amplitude can be recovered accurately, and the obtained average pressure shows higher degree of agreement with the real situation in clinic. In this apparatus, a 3-way solenoid valve (20) is arranged between a cuff (10) and a first pressure sensor (30), wherein the common port of the 3-way solenoid valve (20) is connected with the first pressure sensor (30), the normally open port thereof connected with the cuff (10), and the normally closed port thereof connected with the air atmosphere during zeroing process. Moreover, an independent timing circuit (45) is provided additionally. In the measurement method of the present invention, the zeroing is performed with the help of the 3-way solenoid valve (20).

Abstract: A binding strap used in connection with a SpO2 sensor comprises two clamping portions each of which is provided with an access opening for passing the light emitting portion or light receiving portion of the SpO2 sensor and a holding recess for holding corresponding light emitting portion or light receiving portion, wherein said access openings are designed to allow corresponding light emitting portion or light receiving portion to pass only when said access openings are undergoing a certain amount of deformation. The binding strap of the present invention is advantageous in that the light emitting portion and the light receiving portion of the SpO2 sensor might be tightly secured to the binding strap, and the lost of the binding strap when not use is ensured to be hard.

Abstract: A respiratory mechanics measuring module includes a flow sensor, a differential-pressure sensor and a sampled-signal processing circuit which are connected in series. The module further includes a flow sensor reverse connection judging module and an alarm. The flow sensor reverse connection judging module judges the reverse connection of the flow sensor. The alarm gives an alarm signal indicating the flow sensor reverse connection to the main controller when the flow sensor reverse connection judging module judges that the flow sensor is reversedly connected.

Abstract: A 3-way solenoid valve (20) is arranged between a cuff (10) and a first pressure sensor (30), wherein the common port of the 3-way solenoid valve (20) is connected with the first pressure sensor (30), the normally open port thereof connected with the cuff (10), and the normally closed port thereof connected with the air atmosphere during zeroing process. Moreover, an independent timing circuit (45) is provided additionally. In the measurement method of the present invention, the zeroing is performed with the help of the 3-way solenoid valve (20). Once a state of overtime or overpressure occurs, an air pump (50) is immediately closed, and a quick-deflation solenoid valve (60) is opened so that the pressure in the cuff (10) is released to ensure safe application.

Abstract: A device for measuring blood oxygen content comprises a blood oxygen sensor interface, a signal processing unit, and a plurality of voltage sampling points.

Abstract: A method and an apparatus for calculating blood pressure with signal transformation are provided, wherein said apparatus comprises: a pressure sensor, a pressure and pulse wave amplification circuit, an A/D converter, a microprocessor, a control circuit, an air pump and a valve component connected with the cuff gas circuit, a signal processing module and a ratio analysis module; and the method includes the steps of carrying out signal transformation of a time sequence of a sampled PW digital signal, calculating a maximum amplitude value and a corresponding frequency value based on the transformed signal, taking the maximum amplitude value as a amplitude value under the present pressure, carrying out continuously signal transformation of the time sequences of the PW digital signals at different pressure in order to constitute a PW amplitude-pressure curve and obtain an average pressure and a corresponding pulse rate from the PW amplitude-pressure curve, and finally calculating the systolic pressure and diastol

Abstract: Disclosed is a method and apparatus for detecting the type of anesthetic gas. The method comprises the steps of: generating a light with a plurality of wavelengths, the light being able to be separated to a plurality of light beams whose central frequencies correspond to the plurality of wavelengths; passing said light through a gas chamber, wherein, the gas chamber being filled with said anesthetic gas, said anesthetic gas having absorption characteristic with respect to said plurality of light beams; detecting the light intensity of the attenuated light beams transmitted from the gas chamber respectively, to obtain the relative absorption characteristic of said attenuated light beams, which attenuated light beams having been absorbed by said anesthetic gas; and determining the type of said anesthetic gas based on the relative absorption characteristic between said attenuated light beams.

Abstract: Provided is a non-invasive electronic method and apparatus for measuring blood pressure, in which the data is processed with an algorithm of non-linear fitting for recovering trend envelope of an oscillating PW by a firmware, so that the trend envelope of PW amplitude can be recovered accurately, and the obtained average pressure shows higher degree of agreement with the real situation in clinic. In this apparatus, a 3-way solenoid valve (20) is arranged between a cuff (10) and a first pressure sensor (30), wherein the common port of the 3-way solenoid valve (20) is connected with the first pressure sensor (30), the normally open port thereof connected with the cuff (10), and the normally closed port thereof connected with the air atmosphere during zeroing process. Moreover, an independent timing circuit (45) is provided additionally. In the measurement method of the present invention, the zeroing is performed with the help of the 3-way solenoid valve (20).

Abstract: A method for measuring blood oxygen content under low perfusion, which is used in a device for measuring blood oxygen content, includes the steps of: initializing the device that is applied with power, collecting and processing data with a driving circuit of light emitting device, a bias circuit, a gain circuit and an A/D sampling circuit, which are controlled under a cone control module; calculating blood oxygen saturation based on the collected data with a data processing module which integrates the collected data in a period of time with an area integration method; and outputting from a communication functional module results of the blood oxygen saturation or pulse rate calculated with the data processing module.

Abstract: A spirometry-based device for continuous monitoring of work of breathing (WOB) includes a flow sensor and a respiratory mechanics module connected with the flow sensor. The flow sensor may sample an airway gas flow and an airway pressure when a patient is in a state of inspiration. The respiratory mechanics module may calculate an incremental amount of a gas volume that flows to the patient side in a sampling period, calculate a product of the airway pressure and the incremental amount of the gas volume in the sampling period, and accumulate the product into the WOB.

Abstract: A method for measuring blood oxygen content under low perfusion, which is used in a device for measuring blood oxygen content, includes the steps of: initializing the device that is applied with power, collecting and processing data with a driving circuit of light emitting device, a bias circuit, a gain circuit and an A/D sampling circuit, which are controlled under a core control module; calculating blood oxygen saturation based on the collected data with a data processing module which integrates the collected data in a period of time with an area integration method; and outputting from a communication functional module results of the blood oxygen saturation or pulse rate calculated with the data processing module.

Abstract: Provided is a non-invasive electronic method and apparatus for measuring blood pressure, in which the data is processed with an algorithm of non-linear fitting for recovering trend envelope of an oscillating PW by a firmware, so that the trend envelope of PW amplitude can be recovered accurately, and the obtained average pressure shows higher degree of agreement with the real situation in clinic. In this apparatus, a 3-way solenoid valve (20) is arranged between a cuff (10) and a first pressure sensor (30), wherein the common port of the 3-way solenoid valve (20) is connected with the first pressure sensor (30), the normally open port thereof connected with the cuff (10), and the normally closed port thereof connected with the air atmosphere during zeroing process. Moreover, an independent timing circuit (45) is provided additionally. In the measurement method of the present invention, the zeroing is performed with the help of the 3-way solenoid valve (20).

Abstract: The invention provides a method and apparatus for detecting respiratory rate, comprising the steps of: sampling a set of respiratory rate data in a time sequence; determining the variation degree for the set of respiratory rate data; determining the base length according to the variation degree for the set of respiratory rate data; calculating the weighted average length according to the base length; calculating the real-time degree for each of the set of respiratory rate data according to the variation degree for the set of respiratory rate data, the sequence number indicating the position for each of the set of respiratory rate data and the weighted average length, the sequence number indicating the position for a preceding respiratory rate data is less than the sequence number indicating the position for a following respiratory rate data; and calculating the weighted average respiratory rate according to the weighted average length and the real-time degree.