Breathing frequency recorder
A technology of recorder and number of times, which is applied in the field of medical sensors, can solve the problems of not informing the sensor, not being able to judge the breathing intensity, and the detection stability is not high, and achieve the effect of overcoming the rotational inertia of the wind wheel, small rotational resistance, and high working stability
Inactive Publication Date: 2014-07-02
HUZHOU TEACHERS COLLEGE
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[0004] In addition, CN202553937U discloses a respiration rate recorder through the wind wheel on the outer wall of the breathing tube and the detector for judging the direction of rotation of the wind wheel spindle. The inhalation and exhalation can be judged by rotation, but the breathing intensity cannot be judged, and due to the rotational inertia of the wind wheel, the wind wheel may not be able to switch the rotation direction in time, and the detection stability is not high
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[0018] Such as figure 1 Shown: a respiratory rate recorder, including a base 1 and an upper cover 2, the base has a pair of gas flow ports 10, the gas circulating in the gas flow ports 10 drives the wind wheel 4 installed in the base 1, and the wind wheel 4 passes through The bracket 3 and the rotating shaft 5 on the bracket 3 are fixed in the base 1, and the arc surface of the wind wheel 4 contacting the air flow accounts for 1 / 3 of the whole circle, which makes the effect of the air flow driving the wind wheel rotation more obvious. The gas circulation port 10 is on the symmetrical side of the base, and communicates with the airway perpendicular to the rotating shaft 5, which is convenient for connecting with equipment such as a ventilator. Of course, the gas flow port can also be on the same side of the base 1 . There is an arc-shaped upper chamber 21 in the upper cover 2 that fits with the outer edge of the wind wheel 4 with a certain gap. There is a signal transmitter 41...
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The invention relates to the field of medical sensors, in particular to a breathing frequency recorder. The breathing frequency recorder comprises a base and an upper cover. A pair of air circulating ports is formed in the base, a wind rotor mounted in the base is driven through the air circulating in the air circulating ports and is mounted in the base through a support and a rotating shaft on the support, the upper cover is provided with an upper arced cavity in certain clearance fit with the outer edge of the wind rotor, signal projectors are arranged on the wind rotor, and a plurality of signal receivers matched with the signal projectors are linearly arrayed in the upper arced cavity; the signal projectors and the signal receivers are connected to a controller which is connected with a power supply. Since the signal projectors and the signal receivers are in a non-contact mode, rotational resistance of the wind rotor is smaller. The state of breathing can be acquired through the conduction sequence of signals received through the signal receivers, and breathing strength can be judged through the frequency and speed of conduction of the signals received through the signal receivers.
Description
technical field [0001] The invention relates to the field of medical sensors, in particular to a breath count recorder. Background technique [0002] In the process of treating and nursing patients in the hospital, it is often necessary to monitor the patient's breathing rate per minute, especially for critically ill or life-threatening patients, in addition to the breathing rate, the monitoring of breathing intensity is also more important . [0003] In the prior art, CN202619653U discloses a respiration rate recorder, in which symmetrical contacts are arranged on the left and right sides of the outer blade corresponding to the outer blade. When exhaling, the gas flowing in the breathing tube causes the inner blade to shift to the left, and drives the rotating shaft to rotate, so that the outer blade contacts the right contact piece, and the circuit circuit is conducted, indicating the state of exhalation; when inhaling, the breathing tube flows The gas makes the inner bl...
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IPC IPC(8): A61B5/08
Inventor 李祖欣钱懿邱伟倩徐小芬张圆圆
Owner HUZHOU TEACHERS COLLEGE