CN110384850B - Portable auxiliary breathing device - Google Patents

Portable auxiliary breathing device Download PDF

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Publication number
CN110384850B
CN110384850B CN201910651886.9A CN201910651886A CN110384850B CN 110384850 B CN110384850 B CN 110384850B CN 201910651886 A CN201910651886 A CN 201910651886A CN 110384850 B CN110384850 B CN 110384850B
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China
Prior art keywords
air
oxygen
swash plate
input pipe
box body
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CN201910651886.9A
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Chinese (zh)
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CN110384850A (en
Inventor
罗彪
欧卓东
林枫
李旋
宋静芳
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Nanhua University
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Nanhua University
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Publication of CN110384850A publication Critical patent/CN110384850A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/0072—Tidal volume piston pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M2016/102—Measuring a parameter of the content of the delivered gas
    • A61M2016/1025—Measuring a parameter of the content of the delivered gas the O2 concentration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/18—General characteristics of the apparatus with alarm

Abstract

The portable auxiliary breathing device comprises a box body, and a swash plate type plunger pump, an air-oxygen mixing chamber, an oxygen input pipe, an air input pipe, a mixing input pipe and a mixing output pipe which are arranged in the box body; one end of the oxygen input pipe is communicated with the oxygen inlet of the box body, and the other end of the oxygen input pipe is connected to the air inlet A of the air-oxygen mixing chamber; one end of the air input pipe is communicated with an air inlet of the box body, and the other end of the air input pipe is connected to an air inlet B of the air-oxygen mixing chamber. The invention has simple structure, small volume and stable and reliable operation, can conveniently adjust the air input, the oxygen input, the air output of the air-oxygen mixture and the air output concentration of the air-oxygen mixture, and meets the individual rescue requirements of different patients.

Description

Portable auxiliary breathing device
Technical Field
The invention relates to the field of medical appliances, in particular to a portable auxiliary breathing device which can replace a medical worker to manually press a resuscitation bag to supply oxygen to a patient.
Background
In recent years, research and development of domestic medical oxygen supply are more and more, and oxygen supply apparatuses capable of being applied to clinical use are more and more, but in case of emergency, medical apparatuses capable of supplying oxygen to patients for a long time have not been fully developed.
When gas poisoning, drowning or other conditions causing incapability of spontaneous breathing occur, the respiratory system of a patient cannot meet the physical requirements, and certain air-oxygen mixed gas is required to be provided according to the respiratory frequency and the respiratory state of the patient.
The existing auxiliary breathing equipment for emergency comprises a resuscitation bag, a pneumatic control type emergency breathing machine and a pneumatic electric control type emergency breathing machine, and the three types of equipment have the following defects in practical application respectively:
1. the resuscitation bag needs to be pressed continuously by a human hand to deliver gas to a patient, the pressing frequency and the gas output are both controlled by an operator, the operator is easy to fatigue due to the repetitive mechanical labor and is difficult to keep on the specified pressing frequency and gas output, and in addition, the gas input by the resuscitation bag has a single air-oxygen mixing ratio and cannot meet different requirements of different patients on oxygen concentration;
2. the pneumatic control type first-aid respirator has a simpler structure and is convenient to carry, but generally has only the most basic breathing mode and does not have a monitoring function, and targeted fine adjustment is difficult to achieve;
3. the pneumatic electric control type first-aid respirator has a relatively perfect monitoring function, but has relatively large volume and mass and relatively poor portability.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a portable auxiliary breathing device which has the advantages of simple structure, small volume, stable and reliable operation, convenient adjustment of various parameters and perfect monitoring function, and solves the problem that the prior auxiliary breathing equipment for emergency treatment cannot simultaneously take account of portability, stability, adjustability and monitoring function.
The technical scheme of the invention is as follows: the portable auxiliary breathing device comprises a box body, and a swash plate type plunger pump, an air-oxygen mixing chamber, an oxygen input pipe, an air input pipe, a mixing input pipe and a mixing output pipe which are arranged in the box body;
the box body is provided with an oxygen inlet, an air inlet and a mixed gas outlet;
the swash plate type plunger pump is provided with an air inlet and an air outlet;
the air-oxygen mixing chamber is provided with an air inlet A, an air inlet B and an exhaust port;
one end of the oxygen input pipe is communicated with the oxygen inlet of the box body, and the other end of the oxygen input pipe is connected to the air inlet A of the air-oxygen mixing chamber;
one end of the air input pipe is communicated with an air inlet of the box body, and the other end of the air input pipe is connected to an air inlet B of the air-oxygen mixing chamber;
one end of the mixing input pipe is connected to an air inlet of the swash plate type plunger pump, and the other end of the mixing input pipe is connected to an air outlet of the air-oxygen mixing chamber;
one end of the mixed output pipe is connected to the air outlet of the swash plate type plunger pump, and the other end of the mixed output pipe is communicated with the mixed air outlet of the box body.
The further technical scheme of the invention is as follows: the oxygen input pipe is provided with a one-way valve A and an air throttle valve A, the air input pipe is provided with a one-way valve B and an air throttle valve B, the mixing input pipe is provided with a one-way valve C, and the mixing output pipe is provided with an air pressure sensor and an oxygen concentration flow sensor.
The invention further adopts the technical scheme that: two groups of mounting holes are arranged on the box body;
the swash plate positioning assembly is arranged in the box body; the swash plate positioning assembly comprises an electromagnet contact sensor and a triggering column; the trigger column is welded on a swash plate of the swash plate type plunger pump, and when the swash plate of the swash plate type plunger pump rotates, the trigger column synchronously rotates to form an arc-shaped motion track; the number of the electromagnet contact sensors is two, and the two electromagnet contact sensors are respectively and fixedly installed in the box body and are respectively located on different positions of the motion trail of the trigger column.
The further technical scheme of the invention is as follows: the system also comprises a singlechip, a Bluetooth transmission module and an operation terminal; the singlechip is respectively and electrically connected with the swash plate type plunger pump, the one-way valve A, the air throttle A, the one-way valve B, the air throttle B, the one-way valve C, the air pressure sensor, the oxygen concentration flow sensor, the Bluetooth transmission module and the electromagnet contact sensor; the Bluetooth transmission module is connected with the operation terminal in a Bluetooth mode; the operation terminal is a smart phone with a Bluetooth function.
The technical scheme of the invention is as follows: a respiration assisting method is applied to the portable respiration assisting device and comprises the following steps:
s01, an oxygen inlet of the box body is communicated with an oxygen source through a pipeline, an air inlet of the box body is communicated with an air source, a check valve A, B, C is opened through an operation terminal, then an air throttle A, B is adjusted to be suitable according to rescue requirements, and the air outlet quantity and the air outlet frequency of the swash plate type plunger pump are adjusted according to the actual situation of a patient;
s02, when the parameter values displayed on the operation terminal are normal, the mixed gas outlet of the box body can be communicated with the mouth and the nose of the patient through the pipeline and the breathing mask, so as to provide first aid for the patient;
in this step, the parameters include an output pressure of the air-oxygen mixed gas and an oxygen concentration of the air-oxygen mixed gas.
The further technical scheme of the invention is as follows: in the step S02, when the output air pressure of the air-oxygen mixed gas exceeds the specified upper limit or the oxygen concentration of the air-oxygen mixed gas is lower than the specified lower limit, the singlechip immediately controls the swash plate type plunger pump to be powered off, and simultaneously sends alarm information to the operation terminal to ensure the safety of the patient.
Compared with the prior art, the invention has the following advantages:
1. the air inlet valve has the advantages of simple structure, small volume, stable and reliable operation, capability of conveniently adjusting air inlet quantity, oxygen inlet quantity, air outlet quantity of air-oxygen mixture and air outlet concentration of the air-oxygen mixture, and accordance with the individual rescue requirements of different patients.
2. Have more perfect monitoring and alarming function, medical personnel accessible operation terminal looks over real-time empty oxygen mist output atmospheric pressure and empty oxygen mist oxygen concentration, and when empty oxygen mist's output atmospheric pressure exceeded regulation upper limit, or empty oxygen mist's oxygen concentration is less than regulation lower limit, the singlechip then controls the swash plate formula plunger pump outage immediately, reports to the police to medical personnel through operation terminal simultaneously to guarantee patient's safety.
3. The requirement of human-computer interaction is realized through the operation terminal, the operation terminal is a smart phone with a Bluetooth module, and the functions of checking various parameters, sending control instructions and alarming can be realized through the operation terminal, so that the manufacturing cost of the portable auxiliary breathing device is reduced, and the portable auxiliary breathing device is more convenient to control.
4. The operation terminal and the portable auxiliary breathing device have good adaptability, but not a one-to-one connection relation, only a matched control program is installed on a smart phone with a Bluetooth function, and the smart phone is connected with the portable auxiliary breathing device in a matching mode through Bluetooth in an interface of the control program, and one smart phone does not need to be specially configured for each portable auxiliary breathing device.
The invention is further described below with reference to the figures and examples.
Drawings
FIG. 1 is a schematic diagram of the present invention from one perspective;
FIG. 2 is a schematic view of the present invention from another perspective;
FIG. 3 is a schematic view of the installation position of the air-oxygen mixing chamber;
fig. 4 is a schematic structural view of the swash plate type plunger pump.
Detailed Description
Example 1:
as shown in fig. 1-4, the portable assisted breathing apparatus comprises a housing 1, and a swash plate type plunger pump 2, an air-oxygen mixing chamber 3, an oxygen input pipe 4, an air input pipe 5, a mixing input pipe 6, a mixing output pipe 7 and a swash plate positioning assembly which are arranged in the housing 1.
The box body 1 is provided with an oxygen inlet 11, an air inlet 12 and a mixed gas outlet 13.
The swash plate type plunger pump 2 is provided with an air inlet 21 and an air outlet 22, and the swash plate type plunger pump 2 comprises a first piston, a second piston, a first piston spring, a second piston spring, a port plate, a swash plate 23, a piston driving motor 24 and a swash plate driving motor 25. When the swash plate type plunger pump 2 works, air is continuously input from the air inlet 21, one strand of air is pumped out at the air outlet 22 at a certain frequency, the inclination of the swash plate 23 is changed through the swash plate driving motor 25, the air output can be adjusted, the stretching speed of the first piston and the second piston is changed through the piston driving motor 24, and the air output frequency can be adjusted.
The air-oxygen mixing chamber 3 is provided with an air inlet A, an air inlet B and an exhaust port.
One end of the oxygen input pipe 4 is communicated with the oxygen inlet 11 of the box body 1, the other end is connected with the air inlet A of the air-oxygen mixing chamber 3, and a check valve A41 and a throttle valve A42 are arranged on the oxygen input pipe.
The air input pipe 5 has one end connected to the air inlet 12 of the casing 1 and the other end connected to the air inlet B of the air-oxygen mixing chamber 4, and has one-way valve B51 and throttle valve B52.
One end of the mixing input pipe 6 is connected with the air inlet 21 of the swash plate type plunger pump 2, the other end is connected with the air outlet of the air-oxygen mixing chamber 3, and a check valve C61 is arranged on the mixing input pipe.
One end of the mixing output pipe 7 is connected with the air outlet 22 of the swash plate type plunger pump 2, the other end is communicated with the mixed gas outlet 13 of the box body 1, and an air pressure sensor 71 and an oxygen concentration flow sensor 72 are arranged on the mixing output pipe.
In this embodiment, the swash plate type plunger pump 2 is a conventional one, and the connection relationship and the working principle of each internal component thereof are not described in detail.
Preferably, the box 1 is provided with two sets of mounting holes (not shown). The portable assisted breathing apparatus also comprises a swash plate positioning assembly mounted within the housing 1. The swash plate positioning assembly includes an electro-magnet contact sensor 81 and a trigger post 82. The trigger column 82 is welded on the swash plate 23 of the swash plate type plunger pump 2, and when the swash plate 23 of the swash plate type plunger pump 2 rotates, the trigger column 82 synchronously rotates to form an arc-shaped motion track. The number of the electromagnet contact sensors 81 is two, and the two electromagnet contact sensors 81 are respectively and fixedly installed in the box body 1 and are respectively located at different positions of the motion track of the trigger column 82.
The swash plate positioning assembly is used for assisting in fixing the swash plate 23 of the swash plate type plunger pump 2, and further ensuring that the displacement of each strand of the swash plate type plunger pump 2 is stable. Referring to fig. 1, one end of the swash plate 23 is fixedly installed on a crankshaft of the swash plate driving motor 25, the other end is provided with a trigger post 82, the trigger post 82 is in a suspended state when not contacting with the electromagnet contact sensor 81, and when the trigger post 82 contacts with any electromagnet contact sensor 81, the trigger post is adsorbed and fixed, thereby fixing the swash plate 23 of the swash plate type plunger pump 2. The positions of the two electromagnet contact sensors 81 respectively correspond to different inclination angles of the swash plate 23, so that the selection of two levels of gas output is realized, and the selection can be carried out according to the actual condition of a patient in practical application.
Preferably, the portable assisted breathing apparatus further comprises a single chip microcomputer 91 (model is preferably SOP28), a bluetooth transmission module 92 and an operation terminal (not shown in the figure). The single chip microcomputer 91 is electrically connected with the swash plate type plunger pump 2, the one-way valve A41, the air throttle A42, the one-way valve B51, the air throttle B52, the one-way valve C61, the air pressure sensor 71, the oxygen concentration flow sensor 72 and the Bluetooth transmission module 92 respectively. The bluetooth transmission module 92 is connected with the operation terminal bluetooth. The operation terminal is a smart phone with a Bluetooth function and is used for monitoring and regulating and controlling various parameters of the portable auxiliary breathing device, the operation terminal sends a control instruction to the Bluetooth transmission module 92 of the portable auxiliary breathing device (through Bluetooth), the Bluetooth transmission module 92 transmits the received control instruction to the single chip microcomputer 91, and the single chip microcomputer 91 directly controls corresponding components to generate corresponding actions after receiving and processing the control instruction.
Briefly describing the use of the invention: when the emergency rescue box is used, the oxygen inlet 11 of the box body 1 is communicated with an oxygen source (oxygen cylinder) through a pipeline, the air inlet 12 of the box body 1 is communicated with an air source (air compressor), the one-way valve A, B, C is opened through the operation terminal, the air throttle valve A, B is adjusted to be suitable (determined by medical personnel) according to rescue requirements, the air outlet quantity and the air outlet frequency of the swash plate type plunger pump 2 are adjusted according to the actual situation of a patient, and after various parameters (including the output air pressure of the air-oxygen mixed gas and the oxygen concentration of the air-oxygen mixed gas) displayed on the operation terminal are normal, the mixed gas outlet 13 of the box body 1 can be communicated with the mouth and the nose of the patient through the pipeline and a breathing mask, so that emergency rescue is provided for the patient.
In the step S02, when the output pressure of the air-oxygen mixture exceeds the upper limit, or the oxygen concentration of the air-oxygen mixture is lower than the lower limit, the single chip 91 immediately controls the swash plate plunger pump 2 to power off, and simultaneously sends alarm information to the operation terminal to ensure the safety of the patient.

Claims (2)

1. Portable supplementary respiratory device, characterized by: comprises a box body, and a swash plate type plunger pump, an air-oxygen mixing chamber, an oxygen input pipe, an air input pipe, a mixing input pipe and a mixing output pipe which are arranged in the box body;
the box body is provided with an oxygen inlet, an air inlet and a mixed gas outlet;
the swash plate type plunger pump is provided with an air inlet and an air outlet;
the air-oxygen mixing chamber is provided with an air inlet A, an air inlet B and an exhaust port;
one end of the oxygen input pipe is communicated with the oxygen inlet of the box body, and the other end of the oxygen input pipe is connected to the air inlet A of the air-oxygen mixing chamber;
one end of the air input pipe is communicated with an air inlet of the box body, and the other end of the air input pipe is connected to an air inlet B of the air-oxygen mixing chamber;
one end of the mixing input pipe is connected to an air inlet of the swash plate type plunger pump, and the other end of the mixing input pipe is connected to an air outlet of the air-oxygen mixing chamber;
one end of the mixed output pipe is connected to the air outlet of the swash plate type plunger pump, and the other end of the mixed output pipe is communicated with the mixed air outlet of the box body;
the oxygen input pipe is provided with a one-way valve A and an air throttle valve A, the air input pipe is provided with a one-way valve B and an air throttle valve B, the mixing input pipe is provided with a one-way valve C, and the mixing output pipe is provided with an air pressure sensor and an oxygen concentration flow sensor;
two groups of mounting holes are arranged on the box body;
the swash plate positioning assembly is arranged in the box body; the swash plate positioning assembly comprises an electromagnet contact sensor and a triggering column; the trigger column is welded on a swash plate of the swash plate type plunger pump, and when the swash plate of the swash plate type plunger pump rotates, the trigger column synchronously rotates to form an arc-shaped motion track; the number of the electromagnet contact sensors is two, and the two electromagnet contact sensors are respectively and fixedly installed in the box body and are respectively located on different positions of the motion trail of the trigger column.
2. The portable assisted breathing apparatus of claim 1, wherein: the system also comprises a singlechip, a Bluetooth transmission module and an operation terminal; the singlechip is respectively and electrically connected with the swash plate type plunger pump, the one-way valve A, the air throttle A, the one-way valve B, the air throttle B, the one-way valve C, the air pressure sensor, the oxygen concentration flow sensor, the Bluetooth transmission module and the electromagnet contact sensor; the Bluetooth transmission module is connected with the operation terminal in a Bluetooth mode; the operation terminal is a smart phone with a Bluetooth function.
CN201910651886.9A 2019-07-18 2019-07-18 Portable auxiliary breathing device Active CN110384850B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910651886.9A CN110384850B (en) 2019-07-18 2019-07-18 Portable auxiliary breathing device

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Application Number Priority Date Filing Date Title
CN201910651886.9A CN110384850B (en) 2019-07-18 2019-07-18 Portable auxiliary breathing device

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CN110384850B true CN110384850B (en) 2021-06-29

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Publication number Priority date Publication date Assignee Title
TWI747507B (en) * 2020-09-17 2021-11-21 劉邦健 Auxiliary breathing device
CN115792087A (en) * 2023-02-13 2023-03-14 江苏德励达新材料股份有限公司 Polyurethane foam oxygen index measuring device

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EP1205206B1 (en) * 1994-10-14 2003-10-22 Bird Products Corporation Exhalation valve
US9649459B2 (en) * 2011-09-26 2017-05-16 Resmed Paris Sas Ventilator apparatus and method
CN105251088A (en) * 2015-10-19 2016-01-20 广州弘凯物联网服务有限公司 Treatment quality management method of breathing machine and system thereof
CN106351813B (en) * 2016-10-26 2019-04-02 中航力源液压股份有限公司 The inclined disc type electric ratio axial plunger pump of compact and its control method

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