Oxygen output system based on cooperative control over respiratory frequency and target blood oxygen value
A technology of respiratory rate and collaborative control, applied in the field of medical devices, can solve the problems of lack of dynamic monitoring of respiratory rate and feedback interaction, single oxygen output control method, etc.
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Embodiment 1
[0040] Embodiment 1: preparation of the present invention
[0041] The main components used in the present invention are: the single-chip microcomputer adopted by the control module, model STC89C52, produced by STC Company; the blood oxygen probe adopts two-color light-emitting diode PDFE833, and the emission wavelengths are 660nm and 940nm respectively; the respiratory rate sensor adopts a differential pressure sensor, specifically adopts Freescale differential pressure sensor MPXV3003, measuring range ± 3kPa; the flow control module is made of a combination of flow sensor and electronic flow proportional valve. The maximum opening output flow rate of the proportional valve is 15L / min; the flow cut-off valve adopts a miniature normally closed solenoid valve, the power supply voltage is 3.6V, the working pressure is 0.8MPa, and the shortest excitation time is 0.05 seconds; the communication module adopts a WiFi module, model QCA9377, produced by Qualcomm ;The storage module ad...
Embodiment 2
[0045] Embodiment 2: Method for setting the target blood oxygen value on the man-machine interface
[0046] When applying the oxygen therapy of the present invention, according to the patient's condition characteristics, operate the function keys of the man-machine interface to set the target blood oxygen value suitable for different patients, specifically:
[0047] (1) The target blood oxygen value of the anesthesia recovery patient is set to 96%, and the target blood oxygen control range control algorithm is automatically given according to "target blood oxygen value ± 2%", that is, the target blood oxygen control range of the patient is 94% ~98%;
[0048] (2) The target blood oxygen value of newborn patients with routine oxygen inhalation is set to 93%, and the target blood oxygen control range control algorithm is automatically given according to "target blood oxygen value ± 2%", that is, the patient's target blood oxygen control range Between 90% and 95%;
[0049] (3) T...
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