Electronically controlled breathing circuit device

Abstract

The present invention discloses an electrically controlled breathing circuit device, including a pipe joint, a main breathing tube, a main exhaust and sputum discharge branch and an inhalation branch, a valve plate is arranged in the inhalation branch, and a motor for driving the valve plate to rotate is arranged on the outer side of the inhalation branch; the electrically controlled breathing circuit device also includes a sensor for detecting abdominal respiratory movement and an electronic control unit for controlling the operation of the motor, the electronic control unit determines the respiratory state according to the detection signal of the sensor, and controls the motor to rotate the valve plate to close or open the inhalation branch. The electrically controlled breathing circuit device of the present invention has a short length of the inhalation branch because the air inlet of the inhalation branch is close to the upper port of the main breathing tube, thereby greatly reducing the air intake resistance. In addition, when the patient exhales and expectorates, the valve plate closes the inhalation branch, and the airflow can only be discharged from the exhaust and sputum discharge branch, thereby avoiding the problem of sputum being discharged from the inhalation branch and splashing around.

Description

Technical Field

[0001] The invention relates to a medical device, and in particular to an electrically controlled breathing circuit device. Background Art

[0002] Tracheotomy is a procedure that involves cutting open the cervical trachea and inserting a metal tracheal tube or a silicone tracheal tube. It is a common procedure for relieving dyspnea caused by laryngeal dyspnea, respiratory dysfunction, or retention of lower respiratory tract secretions.

[0003] In the prior art, for patients with tracheotomy who are not connected to a ventilator, in order to prevent sputum from directly splashing out when the patient coughs and causing aerosol contamination, a breathing circuit tube is connected to the end of the tracheotomy tube, and the coughed sputum is drained through the breathing circuit, and a paper cup is connected to the breathing circuit to store the sputum. If the patient needs to suction sputum, it can also be suctioned from the breathing circuit. However, the breathing circuit tube is relatively long, which makes the patient's air intake resistance larger when breathing, and this will increase the patient's respiratory load, causing the patient to have difficulty breathing, chest tightness, increased heart rate and other problems. Summary of the invention

[0004] In view of this, the purpose of the present invention is to provide an electronically controlled breathing circuit device to solve the technical problems that the existing breathing circuit is long, the breathing resistance is large, and it may cause patients with breathing difficulties, chest tightness and increased heart rate.

[0005] The electronically controlled breathing circuit device of the present invention comprises a pipe joint, a main breathing tube connected to the pipe joint, and an exhaust and sputum discharge branch connected to the main breathing tube, and also comprises an inhalation branch connected to the main breathing tube, wherein a valve sheet is arranged in the inhalation branch tube, and a motor for driving the valve sheet to rotate is arranged on the outer side of the inhalation branch tube, the length of the inhalation branch tube is shorter than that of the exhaust and sputum discharge branch tube, and the air inlet of the inhalation branch tube is close to the upper port of the main breathing tube;

[0006] The electronically controlled breathing circuit device also includes a sensor for detecting abdominal respiratory movement and an electronic control unit for controlling the operation of the motor. The sensor is connected to the electronic control unit. The electronic control unit determines the breathing state according to the detection signal of the sensor and controls the motor to rotate the valve plate to close the inhalation branch or open the inhalation branch.

[0007] Furthermore, the sensor is a patch-type pressure sensor, which is used to be attached to the patient's abdomen or to a belt around the patient's waist and abdomen.

[0008] Furthermore, a sputum suction tube socket is arranged on the side of the main breathing tube, and a sealing cover is arranged on the sputum suction tube socket.

[0009] Furthermore, the electrically controlled breathing circuit device also includes a sputum collecting bottle, the side of the sputum collecting bottle is provided with an interface detachably connected to the end of the exhaust and sputum discharge branch pipe, and the top of the sputum collecting bottle is provided with an exhaust port.

[0010] Beneficial effects of the present invention:

[0011] 1. The electronically controlled breathing circuit device of the present invention is provided with an inhalation branch connected to the main breathing tube, and a valve plate is provided in the inhalation branch. The valve plate is controlled by an electronic control unit to rotate the motor. The valve plate is rotated to close the inhalation branch in the exhalation state, and the valve plate is rotated to open the inhalation branch in the inhalation state. Since the air inlet of the inhalation branch is close to the upper port of the main breathing tube and the length of the inhalation branch is short, the airflow mainly enters the patient's body from the inhalation branch when the patient inhales, thereby greatly reducing the air intake resistance and solving the technical problems of the traditional breathing circuit being long, the breathing resistance being large, and causing the patient to have breathing difficulties, chest tightness and accelerated heart rate.

[0012] Furthermore, when the patient exhales and coughs up phlegm, the valve closes the inspiratory branch, so the airflow can only be discharged from the exhaust and sputum branches, thereby avoiding the problem of phlegm splashing around when it is discharged from the inspiratory branch.

[0013] 2. The end of the exhaust and sputum discharge branch pipe of the electronically controlled breathing circuit device of the present invention is connected to a sputum collecting bottle, which facilitates the collection of sputum.

[0014] 3. The electrically controlled breathing circuit device of the present invention has a sputum suction tube socket disposed on the side of the main breathing tube, so that sputum can be suctioned conveniently for the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the valve of the electronically controlled breathing circuit device opening the inspiratory branch;

[0016] Figure 2 A schematic diagram of a valve plate of an electronically controlled breathing circuit device closing an inspiratory branch;

[0017] Figure 3 It is a connection diagram of the sensor, the electronic control unit and the motor;

[0018] Figure 4 This is a schematic diagram of the exhaust and sputum discharge branch of the electronically controlled breathing circuit device connected to a sputum collection bottle. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] As shown in the figure, the electronically controlled breathing circuit device of this embodiment includes a pipe joint 1, a main breathing tube 2 connected to the pipe joint, and an exhaust and sputum discharge branch 3 connected to the main breathing tube, and also includes an inhalation branch 4 connected to the main breathing tube, wherein a valve plate 5 is arranged inside the inhalation branch, and a motor 6 for driving the valve plate to rotate is arranged on the outer side of the inhalation branch. The length of the inhalation branch is shorter than that of the exhaust and sputum discharge branch, and the air inlet of the inhalation branch is close to the upper port of the main breathing tube. In a specific implementation, the distance from the air inlet of the inhalation branch to the upper port of the main breathing tube is preferably within 4 cm.

[0021] The electronically controlled breathing circuit device also includes a sensor 7 for detecting abdominal breathing movements and an electronic control unit 8 for controlling the operation of the motor. The sensor is connected to the electronic control unit. The electronic control unit determines the breathing state according to the detection signal of the sensor and controls the motor to rotate the valve plate to close the inhalation branch or open the inhalation branch. In this embodiment, the electronic control unit includes a single-chip microcomputer for controlling the motor and a battery for powering the single-chip microcomputer, the sensor and the motor. The single-chip microcomputer processes the signal of the sensor and controls the operation of the motor. The model of the single-chip microcomputer can be selected according to needs. In this embodiment, a 51 single-chip microcomputer is used.

[0022] In this embodiment, the sensor is a patch pressure sensor, which is attached to a band around the patient's waist and abdomen. Of course, in different embodiments, the patch pressure sensor can also be attached to the patient's abdominal skin.

[0023] When the patient exhales, the patient's abdomen moves upward, and the pressure detected by the patch pressure sensor gradually increases; when the patient inhales, the patient's abdomen moves downward, and the pressure detected by the patch pressure sensor gradually decreases.

[0024] The single-chip microcomputer compares the current sampling signal of the patch pressure sensor with the previous sampling signal to determine whether the detection signal of the patch pressure sensor is gradually increasing or decreasing, and then judges whether the patient is exhaling or inhaling. When the detection signal of the patch pressure sensor gradually increases, it indicates that the patient is inhaling. The single-chip microcomputer controls the motor to rotate the valve plate to a state parallel to the axis of the inhalation branch, so that the airflow can quickly enter the patient's body from the inhalation branch when the patient inhales; when the detection signal of the patch pressure sensor gradually decreases, it indicates that the patient is exhaling. The single-chip microcomputer controls the motor to rotate the valve plate to a state perpendicular to the axis of the inhalation branch, thereby closing the inhalation branch. At this time, the airflow exhaled by the patient can only be discharged from the exhaust and sputum branch.

[0025] In the electronically controlled breathing circuit device of this embodiment, since the air inlet of the inspiratory branch is close to the upper port of the main breathing tube, the length of the inspiratory branch is short, and the airflow enters the inspiratory branch with small inspiratory resistance, thus solving the technical problem that the traditional breathing circuit is long and the breathing resistance is large, which may cause the patient to have difficulty breathing, chest tightness and increased heart rate. In addition, when the patient exhales and expectorates, since the valve sheet closes the inspiratory branch, the airflow can only be discharged from the exhaust and expectoration branch, thereby avoiding the problem of sputum being discharged from the inspiratory branch and causing sputum to splash around.

[0026] As an improvement to the above embodiment, a sputum suction tube socket 9 is provided on the side of the main breathing tube, and a sealing cover 10 is provided on the sputum suction tube socket. This improvement makes it convenient to perform sputum suction operation on the patient.

[0027] As an improvement to the above-mentioned embodiment, the electronically controlled breathing circuit device also includes a sputum collecting bottle 11, the side of which is provided with an interface detachably connected to the end of the exhaust and sputum discharge branch pipe, and the top of the sputum collecting bottle is provided with an exhaust port. This improvement facilitates the collection of sputum discharged from the exhaust and sputum discharge branch pipe.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. An electronically controlled breathing circuit device, comprising a pipe joint, a main breathing tube connected to the pipe joint, and an exhaust and sputum discharge branch tube connected to the main breathing tube, characterized in that: It also includes an inhalation branch connected to the main breathing tube, wherein a valve sheet is arranged in the inhalation branch, and a motor for driving the valve sheet to rotate is arranged on the outer side of the inhalation branch. The length of the inhalation branch is shorter than that of the exhaust and sputum discharge branch, and the air inlet of the inhalation branch is close to the upper port of the main breathing tube; The electronically controlled breathing circuit device also includes a sensor for detecting abdominal breathing movements and an electronic control unit for controlling the operation of the motor. The sensor is connected to the electronic control unit. The electronic control unit determines the breathing state according to the detection signal of the sensor and controls the motor to rotate the valve plate to close the inhalation branch or open the inhalation branch. The sensor is a patch-type pressure sensor, which is used to be attached to the patient's abdomen or to a belt around the patient's waist and abdomen; A sputum suction tube socket is arranged on the side of the main breathing tube, and a sealing cover is arranged on the sputum suction tube socket.

2. The electronically controlled breathing circuit device according to claim 1, characterized in that: It also includes a sputum collecting bottle, the side of which is provided with an interface detachably connected to the end of the exhaust and sputum discharge branch pipe, and the top of the sputum collecting bottle is provided with an exhaust port.

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