CN215916039U - High flow oxygen therapeutic instrument - Google Patents
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- CN215916039U CN215916039U CN202120016987.1U CN202120016987U CN215916039U CN 215916039 U CN215916039 U CN 215916039U CN 202120016987 U CN202120016987 U CN 202120016987U CN 215916039 U CN215916039 U CN 215916039U
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Abstract
The utility model provides a high-flow oxygen therapy instrument which comprises an oxygen generation unit, an external oxygen supply interface and a pipeline switching unit, wherein the oxygen generation unit is used for receiving air and generating oxygen, the external oxygen supply interface is used for being communicated with an external oxygen source, and the pipeline switching unit is used for switching the oxygen generation unit or the external oxygen supply interface to supply oxygen. The scheme of this application, the oxygen suppliment mode of inside oxygen suppliment or outside oxygen suppliment of ability automatic adaptation is applicable to multiple scenes such as hospital, family.
Description
Technical Field
The utility model relates to the technical field of respiratory therapy, in particular to a high-flow oxygen therapy instrument.
Background
The high-flow oxygen therapy has an effect on the rehabilitation and treatment of a plurality of respiratory diseases, for example, the high-flow oxygen therapy can be used for patients with acute hypoxia respiratory failure, patients after surgical operation, patients with immunosuppression, patients with cardiac insufficiency and the like, and has been clinically applied at home and abroad. However, the existing high-flow oxygen therapy apparatus can not provide oxygen, needs an external oxygen source and depends on centralized oxygen supply or an external oxygen generator. The oxygen supply can not move when being centralized, and the oxygen supply can only be used in places with oxygen outlets.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oxygen therapy instrument which can automatically adapt to various scenes such as internal oxygen supply, external oxygen supply, simultaneous internal oxygen supply and external oxygen supply and the like by switching an oxygen generation unit or an external oxygen supply interface through a pipeline switching unit to supply oxygen. Therefore, the problem that the high-flow oxygen therapy instrument in the prior art is limited by an external oxygen source is solved, so that the oxygen therapy instrument can be used in hospitals and at home and is used for treating and recovering chronic respiratory diseases.
The embodiment of the utility model provides a high-flow oxygen therapy instrument which comprises an oxygen generation unit, an external oxygen supply interface and a pipeline switching unit, wherein the oxygen generation unit is used for receiving air and generating oxygen, the external oxygen supply interface is used for being communicated with an external oxygen source, and the pipeline switching unit is used for switching the oxygen generation unit or the external oxygen supply interface to supply oxygen.
The scheme of this application switches the unit and switches over in order to supply oxygen at system oxygen unit or outside oxygen suppliment interface through the pipeline, can the inside oxygen suppliment of automatic adaptation or the oxygen suppliment mode of outside oxygen suppliment, is applicable to multiple scenes such as hospital, family. And prior art's high flow oxygen therapy appearance does not have the function of inside oxygen suppliment, more can't accomplish the autonomic switching of inside oxygen suppliment and outside oxygen suppliment, very relies on outside oxygen suppliment. External oxygen supply needs to be concentrated through the outside or external oxygen sources such as an external oxygen generator, the external oxygen sources often need to be available in specific areas such as hospitals, and the external oxygen supply cannot be moved during concentrated oxygen supply and can only be used in places with oxygen outlets. When the oxygen generator is externally connected, air leakage or other unmatched conditions can easily occur due to the fact that the interfaces of the oxygen generator and the high flow rate are not unified. The problem that high flow oxygen therapy appearance excessively relies on to external oxygen source in prior art not only can be solved to this application to can realize the autonomic switching of oxygen source.
In one embodiment, the high-flow oxygen therapy apparatus further comprises a main control unit, wherein the main control unit is respectively connected with the oxygen generation unit and the pipeline switching unit electrically, the main control unit is used for controlling the switching of the pipeline switching unit so as to realize the selection of an oxygen source, and the main control unit is used for controlling the oxygen generation unit to generate oxygen.
The scheme of this embodiment, through setting up the main control unit, can control the system oxygen of system oxygen unit and the selection of control pipeline switching unit to the oxygen source, the main control unit is as the command center of whole oxygen therapy appearance, can realize the detection of signal and the coordinated control between each unit to guarantee the normal work of oxygen therapy appearance.
In one embodiment, the oxygen therapy apparatus further comprises a sensor, the sensor is electrically connected with the main control unit, the sensor is used for detecting the oxygen supply condition of the external oxygen source and generating a signal to send to the main control unit, and the main control unit judges the oxygen supply condition of the external oxygen source according to the signal.
The scheme of this embodiment through setting up the sensor, can detect the oxygen suppliment condition of external oxygen source, selects the oxygen suppliment mode for the main control unit and provides the basis, scenes such as outside oxygen suppliment of adaptation that can be automatic, inside oxygen suppliment.
In one embodiment, when the main control unit determines that the external oxygen source is supplied with oxygen, the main control unit instructs the pipeline switching unit to communicate with the external oxygen supply interface; when the main control unit judges that the external oxygen source does not supply oxygen, the main control unit instructs the pipeline switching unit to be communicated to the oxygen generation unit.
According to the scheme of the embodiment, the main control unit judges the oxygen supply condition through the detection signal of the sensor, so that the optimal oxygen supply mode is selected according to local conditions, and the effective utilization of an oxygen source is realized.
In one embodiment, the high flow oxygen therapy apparatus further comprises a air treatment assembly for receiving air and oxygen and producing gas suitable for a patient, wherein the oxygen received by the air treatment assembly is from the line switching unit.
In the embodiment, the air oxygen processing assembly is used for further processing, such as mixing, humidifying and the like, the received oxygen and air, so as to output gas suitable for the patient.
In one embodiment, the air-oxygen treatment assembly comprises an air-oxygen proportion adjusting unit, the air-oxygen proportion adjusting unit is communicated with the pipeline switching unit, the air-oxygen proportion adjusting unit receives air and oxygen from the pipeline switching unit, and the air-oxygen proportion adjusting unit is used for adjusting the proportion of the air and the oxygen and outputting air-oxygen mixed gas with specific concentration.
The scheme of this embodiment adjusts the proportion of air and oxygen through setting up empty oxygen proportion regulating unit, and the empty oxygen mist of specific concentration is exported, can provide the empty oxygen mist of different concentrations to the patient of different demands to reach better treatment.
In one embodiment, the air-oxygen treatment assembly comprises an air-oxygen mixing unit, the air-oxygen mixing unit is communicated with the air-oxygen proportion regulating unit, the air-oxygen mixing unit receives the air-oxygen mixed gas from the air-oxygen proportion regulating unit, and the air-oxygen mixing unit uniformly mixes oxygen and air in the air-oxygen mixed gas.
According to the scheme of the embodiment, the air-oxygen mixing unit is arranged, so that oxygen and air are fully mixed, and uniform distribution of oxygen is realized.
In one embodiment, the air oxygen treatment assembly comprises an air oxygen compression unit and a humidification unit, wherein the air oxygen compression unit is communicated with the air oxygen mixing unit and receives and compresses the air oxygen mixed gas from the air oxygen mixing unit; the humidifying unit is communicated with the air-oxygen compression unit and receives and humidifies the air-oxygen mixed gas from the air-oxygen compression unit.
According to the scheme of the embodiment, the air-oxygen compression unit is arranged to realize pressurization of the air-oxygen mixed gas, so that the flow of the air-oxygen mixed gas is adjusted; through setting up the humidifying unit, form moist empty oxygen mist, reduce the irritability that gaseous entering patient's nasal cavity, improve patient's comfort level.
In one embodiment, the high-flow oxygen therapy instrument comprises a filtering unit, wherein the filtering unit is communicated with the oxygen generation unit and the air-oxygen proportion adjusting unit respectively, the filtering unit receives air and purifies and filters the air, and the filtering unit conveys the purified air to the oxygen generation unit and the air-oxygen proportion adjusting unit respectively.
The scheme of this embodiment filters inspiratory air through setting up the filter unit to dust, steam and the tiny particle in the reduction air realize purifying and filtering the air.
In one embodiment, the main control unit is electrically connected with at least one of the air-oxygen proportion adjusting unit, the air-oxygen mixing unit, the air-oxygen compressing unit and the humidifying unit.
According to the scheme of the embodiment, corresponding air and oxygen treatment requirements are met through the electric connection between the main control unit and at least one unit in the air and oxygen treatment assembly, for example, the main control unit is electrically connected with the air and oxygen proportion adjusting unit and is used for adjusting the proportion of air and oxygen and outputting air and oxygen mixed gas with specific concentration; the main control unit is electrically connected with the air-oxygen mixing unit to realize the full mixing of oxygen and air; the main control unit is electrically connected with the air-oxygen compression unit to realize the pressurization of the air-oxygen mixed gas; the main control unit is electrically connected with the humidifying unit to realize the humidity adjustment of the air-oxygen mixed gas.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a structural diagram of a high flow oxygen therapy apparatus according to an embodiment;
FIG. 2 is a flow chart of a method of high flow oxygen therapy according to an embodiment;
fig. 3 is a flow chart of a high flow oxygen therapy method according to another embodiment.
Description of reference numerals:
11-air oxygen processing component, 12-oxygen making unit, 13-filtering unit, 14-external oxygen supply interface, 15-pipeline switching unit, 16-main control unit, 17-patient interface, 111-air oxygen proportion adjusting unit, 112-air oxygen mixing unit, 113-air oxygen compressing unit and 114-humidifying unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment provides a high-flow oxygen therapy instrument, which belongs to oxygen therapy equipment, the oxygen flow provided by the traditional low-flow oxygen therapy device is generally less than 15L/min at most, and is far lower than the actual peak flow of inspiration of a patient, the insufficient flow part can be supplemented by air inhaled at the same time, and therefore the oxygen inhalation concentration can be seriously diluted and the specific concentration is not detailed. The oxygen flow of the high-flow oxygen therapy instrument can reach 30-60L/Min or above, the high-flow oxygen therapy instrument generally has a flow rate larger than the inspiratory peak flow of a patient due to high flow, the patient can not inhale ambient air, the oxygen inhalation concentration can be well controlled, the purposes of conveying oxygen with stable concentration, flushing the upper Airway dead space of the patient and generating certain Positive end expiratory Airway Pressure (CPAP) are achieved, and meanwhile, the tolerance of the patient is good.
However, the existing high-flow oxygen therapy instrument still has a series of problems, the high-flow oxygen therapy instrument can not provide oxygen, an external oxygen source is needed, and external concentrated oxygen supply or an external oxygen generator is relied on. When an external oxygen source is used for supplying oxygen, the oxygen therapy instrument cannot move and can only be used at a place with an oxygen outlet.
As shown in fig. 1, in order to solve the problem of the conventional high-flow oxygen therapy apparatus, the present embodiment provides a high-flow oxygen therapy apparatus capable of autonomously selecting an oxygen source. It includes system oxygen unit 12, outside oxygen suppliment interface 14, pipeline switching unit 15, system oxygen unit 12 is used for receiving the air and output oxygen, and outside oxygen suppliment interface 14 is used for and outside oxygen source intercommunication, and pipeline switching unit 15 is used for switching system oxygen unit 12 or outside oxygen suppliment interface 14 supply oxygen.
In the present embodiment, the oxygen generation unit 12 is used to generate oxygen, and the oxygen generation unit 12 is connected to the pipeline switching unit 15 through a first ventilation pipeline. The oxygen generation unit 12 can generate oxygen in different ways, including but not limited to molecular sieve oxygen generation, which means to separate oxygen from air by using the adsorption property of molecular sieve at normal temperature. The molecular sieve oxygen generation specifically adopts a Pressure Swing Adsorption (PSA). The setting of system oxygen unit 12 can be provided the oxygen supply by oneself under the condition that does not have the external oxygen source to and when having the interface that external oxygen source but external oxygen source and the oxygen therapy appearance interface not fit for, system oxygen unit 12 also can provide oxygen and support, thereby enlarges the use scene of oxygen therapy appearance, provides more facilities for the patient.
The external oxygen supply interface 14 and the pipeline switching unit 15 are connected through a second ventilation pipeline, wherein the external oxygen supply interface 14 is used for communicating with an external oxygen source. Alternatively, the external oxygen source may be external centralized oxygen supply or external oxygen generator oxygen supply.
The pipeline switching unit 15 can be switched between the oxygen production unit 12 or the external oxygen supply interface 14, so as to realize the selection of the oxygen source. Optionally, the pipeline switching unit 15 uses an electric control valve to perform gas path switching. When the pipeline switching unit 15 is switched to the oxygen generation unit 12, oxygen generated by the oxygen generation unit 12 enters the pipeline switching unit 15 through the first ventilation pipeline. When the pipeline switching unit 15 is switched to the external oxygen supply interface 14, the external oxygen supply interface 14 receives an external oxygen source (such as external centralized oxygen supply or an external oxygen generator), and the external oxygen supply interface 14 delivers oxygen to the pipeline switching unit 15 through a second ventilation pipeline. In one embodiment, the pipeline switching unit 15 is preferentially communicated to the external oxygen supply interface 14 when external oxygen supply is available, and the pipeline switching unit 15 is switched to be communicated to the oxygen generation unit 12 when the external oxygen supply is not available. In other embodiments, the pipeline switching unit 15 may also communicate with the external oxygen supply interface 14 and the oxygen generation unit 12 at the same time, for example, when the external oxygen supply exists but the flow rate of the oxygen supply is insufficient, the pipeline switching unit 15 may communicate with the oxygen generation unit 12 synchronously after connecting with the external oxygen supply interface 14; on the contrary, when the oxygen supply of the oxygen generation unit 12 is insufficient, the pipeline switching unit 15 can be synchronously communicated to the external oxygen supply interface 14 to realize the sufficient supply of the oxygen.
In one embodiment, the high flow oxygen therapy apparatus further includes a main control unit 16, the main control unit 16 is electrically connected to the oxygen generation unit 12 and the pipeline switching unit 15, respectively, the main control unit 16 is configured to control the switching of the pipeline switching unit 15 to select an oxygen source, and the main control unit 16 is configured to control the oxygen generation unit 12 to generate oxygen. It should be noted that the pipeline switching unit 15 does not need to be controlled by the main control unit 16, and the pipeline switching unit 15 may be manually adjusted to switch between the oxygen generation unit 12 and the external oxygen supply interface 14. The main control unit 16 is used as a command center of the whole oxygen therapy apparatus, and can realize the detection of signals and the coordination control among all units, thereby ensuring the normal work of the oxygen therapy apparatus.
In one embodiment, the oxygen therapy apparatus further includes a sensor electrically connected to the main control unit 16, the sensor is configured to detect an oxygen supply condition of the external oxygen source and generate a signal accordingly to send to the main control unit 16, and the main control unit 16 determines the oxygen supply condition of the external oxygen source according to the signal and controls the pipeline switching unit 15 to select an oxygen source accordingly. Optionally, the sensor is disposed on the second ventilation pipeline, and is disposed between the external oxygen supply interface 14 and the pipeline switching unit 15. Alternatively, the sensors may detect the pressure, flow, oxygen concentration, etc., including but not limited to detecting the pressure, flow, oxygen concentration, etc., of the gas at the external oxygen supply interface 14, i.e., pressure sensors, flow sensors, oxygen concentration sensors, etc., may be used.
In one embodiment, the main control unit 16 receives the detection signal from the sensor, and the main control unit 16 determines the oxygen supply condition of the external oxygen source according to the detection signal and controls the air oxygen processing module 11 to switch the oxygen source accordingly. The main control unit 16 determines whether or not the external oxygen source exists and the flow rate of the external oxygen source according to the flow rate signal. In one embodiment, if the main control unit 16 determines that the external oxygen source is supplied with oxygen, the main control unit 16 instructs the pipeline switching unit 15 to communicate preferentially to the external oxygen supply interface 14, and if the main control unit 16 determines that the external oxygen source is not supplied with oxygen, the main control unit 16 instructs the pipeline switching unit 15 to communicate to the oxygen generation unit 12; in other embodiments, if the main control unit 16 determines that the external oxygen source is not supplying oxygen, the main control unit 16 instructs the pipeline switching unit 15 to communicate to the oxygen generation unit 12; when the main control unit 16 determines that the external oxygen source is supplied with oxygen and the oxygen is sufficient, the main control unit 16 instructs the pipeline switching unit 15 to communicate with the external oxygen supply interface 14; when the main control unit 16 determines that the external oxygen source is supplied with oxygen but the oxygen is insufficient, the main control unit 16 instructs the pipeline switching unit 15 to simultaneously communicate the external oxygen supply interface 14 and the oxygen generation unit 12. Thereby enabling autonomous selection of the oxygen source.
In one embodiment, the high flow oxygen therapy apparatus further comprises a air treatment assembly 11, the air treatment assembly 11 is configured to receive air and oxygen and generate gas suitable for the patient, wherein the air treatment assembly 11 is connected to the pipeline switching unit 15 through a third ventilation pipeline, and the air treatment assembly 11 receives the oxygen from the pipeline switching unit 15.
In one embodiment, the air oxygen treatment module 11 includes an air oxygen proportion adjusting unit 111, the air oxygen proportion adjusting unit 111 is communicated with the pipeline switching unit 15 through a third ventilation pipeline, the air oxygen proportion adjusting unit 111 receives air and oxygen from the pipeline switching unit 15, and the air oxygen proportion adjusting unit 111 is used for adjusting the proportion of the air and the oxygen and outputting air oxygen mixed gas with specific concentration. The air-oxygen ratio adjusting unit 111 can provide air-oxygen mixture gas with different concentrations for patients with different requirements, thereby achieving better treatment effect.
In one embodiment, the air oxygen treatment module 11 includes an air oxygen mixing unit 112, the air oxygen mixing unit 112 is communicated with the air oxygen proportion adjusting unit 111 through a third ventilation pipeline, the air oxygen mixing unit 112 receives the air oxygen mixture gas from the air oxygen proportion adjusting unit 111, and the air oxygen mixing unit 112 uniformly mixes the oxygen and the air in the air oxygen mixture gas.
In one embodiment, the air oxygen treatment module 11 includes an air oxygen compression unit 113 and a humidification unit 114, the air oxygen compression unit 113 is communicated with the air oxygen mixing unit 112 through a third ventilation pipeline, and receives and compresses the air oxygen mixture gas from the air oxygen mixing unit 112, and optionally, the air oxygen compression unit 113 adopts a high-speed turbo fan to realize pressurization. Further, the high-speed turbo fan can select brushless motor for use, adjusts the rotational speed of motor through adopting Pulse Width Modulation (PWM), realizes the pressure boost to the air oxygen gas mixture, and then adjusts the flow of air oxygen gas mixture.
The humidification unit 114 is communicated with the air-oxygen compression unit 113 through a third ventilation pipeline, and receives and humidifies the air-oxygen mixture gas from the air-oxygen compression unit 113. Optionally, the humidification unit 114 is implemented using a humidification cartridge. The air-oxygen mixed gas enters from the inlet of the humidifying box, is humidified and then is output from the outlet. The air-oxygen mixed gas is humidified through the humidifying unit 114, so that the comfort level of a patient is improved, the humidity of respiratory tract mucous membranes can be increased through humidification, secretion discharge is facilitated, and the drying problem is avoided. In other embodiments, the air oxygen treatment assembly 11 may further include a heating unit to properly heat the air oxygen mixture to reduce the irritation of cold air entering the respiratory tract of the patient.
In one embodiment, the internal structures of the air oxygen treatment assembly 11 are connected by a third air pipeline, and in particular, the third air pipeline is communicated with the air oxygen proportion adjusting unit 111, the air oxygen mixing unit 112, the air oxygen compressing unit 113 and the humidifying unit 114. Further, the air oxygen treatment module 11 and the line switching unit 15, and the air oxygen treatment module 11 and the patient interface 17 are also communicated through the third air line. In one embodiment, the third vent line is connected in series: the device comprises a pipeline switching unit 15, an air-oxygen proportion adjusting unit 111, an air-oxygen mixing unit 112, an air-oxygen compressing unit 113, a humidifying unit 114 and a patient interface 17.
In one embodiment, the high-flow oxygen therapy instrument comprises a filtering unit 13, the filtering unit 13 is respectively communicated with the oxygen generation unit 12 and the air-oxygen proportion adjusting unit 111, and the filtering unit 13 is used for receiving air and purifying and filtering the sucked air so as to reduce dust, water vapor and small particles in the air. The filtering unit 13 delivers the purified air to the oxygen generation unit 12 and the air-oxygen ratio adjustment unit 111, respectively. The filtration unit 13 delivers the purified air to the oxygen generation unit 12 for oxygen production. In other embodiments, the filter unit 13 may be an integral part of the air oxygen treatment assembly 11. Optionally, the filtering unit 13 includes a filtering net and a filtering cotton located on one side of the filtering net close to the air oxygen treatment assembly 11, and the filtering cotton may adopt a single-layer mode.
In one embodiment, the main control unit 16 is electrically connected to at least one of the air-oxygen ratio adjusting unit 111, the air-oxygen mixing unit 112, the air-oxygen compressing unit 113, and the humidifying unit 114. Specifically, the main control unit 16 may be electrically connected to one of the units, may be electrically connected to a plurality of the units, or may be electrically connected to all of the units.
The main control unit 16 is electrically connected with the air-oxygen ratio adjusting unit 111, and the main control unit 16 adjusts the ratio of air and oxygen by adjusting the air-oxygen ratio adjusting unit 111 according to the setting of a user, and outputs air-oxygen mixed gas with specific concentration; the main control unit 16 is electrically connected with the air-oxygen mixing unit 112, the main control unit 16 controls the air-oxygen mixing unit 112 to fully mix oxygen and air, and in other embodiments, the air-oxygen mixing unit 112 may not be electrically connected with the main control unit 16; the main control unit 16 is electrically connected with the air-oxygen compression unit 113, and the air-oxygen compression unit 113 realizes pressurization of the air-oxygen mixed gas under the instruction of the main control unit 16; the main control unit 16 is electrically connected to the humidification unit 114, and the main control unit 16 instructs the humidification unit 114 to adjust the humidity of the air-oxygen mixture according to the humidity requirement of the air-oxygen mixture of the user.
In one embodiment, the oxygen therapy apparatus includes a display screen and buttons, and the display screen can display the current oxygen supply mode, such as whether the external oxygen supply is centralized or the internal oxygen generation unit 12 supplies oxygen, or the external oxygen supply is centralized and the internal oxygen generation unit 12 supplies oxygen synchronously. The display screen can also display the oxygen concentration and the flow of the air-oxygen mixed gas, so that a patient or a doctor can visually know the current condition of the air-oxygen mixed gas; the patient or doctor still sets up through the button oxygen concentration, flow, humidity, the oxygen suppliment mode of air-oxygen mixture, can adopt corresponding treatment according to the different demands of different stages of patient's respiratory disease to realize nimble adjustment.
In one embodiment, as shown in fig. 2, there is provided a method of high flow oxygen therapy comprising:
s11: the sensor detects the oxygen supply condition of the external oxygen supply interface 14 and generates a signal;
s12: the sensor sends a signal to the main control unit 16;
s13: the master control unit 16 receives the signal;
s14: the main control unit 16 judges the oxygen supply condition of the external oxygen source according to the signal;
s141: if the main control unit 16 determines that the external oxygen source supplies oxygen, the main control unit 16 instructs the pipeline switching unit 15 to communicate with the external oxygen supply interface 14;
s142: if the main control unit 16 determines that the external oxygen source is not supplying oxygen, the main control unit 16 instructs the pipeline switching unit 15 to communicate with the oxygen generation unit 12.
In another embodiment, as shown in fig. 3, there is provided a method of high flow oxygen therapy comprising:
s21: the sensor detects the oxygen supply condition of the external oxygen supply interface 14 and generates a signal;
s22: the sensor sends a signal to the main control unit 16;
s23: the master control unit 16 receives the signal;
s24: the main control unit 16 judges the oxygen supply condition of the external oxygen source according to the signal;
s241: if the main control unit 16 determines that the external oxygen source is not supplying oxygen, the main control unit 16 instructs the pipeline switching unit 15 to communicate with the oxygen generation unit 12;
s242: if the main control unit 16 determines that the external oxygen source is supplied with oxygen and the oxygen is sufficient, the main control unit 16 instructs the pipeline switching unit 15 to communicate with the external oxygen supply interface 14;
s243: if the main control unit 16 determines that the external oxygen source is supplied with oxygen but the oxygen is insufficient, the main control unit 16 instructs the pipeline switching unit 15 to simultaneously communicate the external oxygen supply interface 14 and the oxygen generation unit 12.
The high-flow oxygen therapy instrument provided by the embodiment of the utility model at least has the following advantages:
1. the oxygen supply device can automatically adapt to various oxygen supply modes such as internal oxygen supply, external oxygen supply, internal oxygen supply and external oxygen supply simultaneously, is suitable for various scenes such as hospitals and families, and does not depend on external oxygen sources.
2. Oxygen concentration is constant: compared with the traditional low-flow oxygen therapy device, the high-flow oxygen therapy device disclosed by the embodiment of the utility model has the advantages that the flow of the air-oxygen mixed gas output by the high-flow oxygen therapy device is larger than the flow of the inspiration peak of a patient, so that the constancy of the concentration of the inspired oxygen is ensured.
3. Good warm humidification effect: can provide air-oxygen mixed gas with proper temperature (such as 37 ℃) and proper humidity, improve the comfort of a patient and reduce the irritation to the respiratory mucosa of the patient.
4. Generating a certain positive airway pressure: the air-oxygen mixture pressurized by the air-oxygen compression unit 113 can generate an effect similar to Continuous Positive Airway Pressure (CPAP) under the condition that the oral cavity of the patient is well closed, so as to improve lung compliance and oxygenation.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a high flow oxygen therapy appearance which characterized in that, includes system oxygen unit, outside oxygen suppliment interface, pipeline switching unit, system oxygen unit is used for receiving the air and produces oxygen, outside oxygen suppliment interface be used for with outside oxygen source intercommunication, pipeline switching unit is used for switching system oxygen unit or outside oxygen suppliment interface supplies oxygen.
2. The high flow oxygen therapy apparatus according to claim 1, further comprising a main control unit electrically connected to the oxygen generation unit and the pipeline switching unit, respectively, the main control unit being configured to control switching of the pipeline switching unit to realize selection of an oxygen source, the main control unit being configured to control the oxygen generation unit to make oxygen.
3. The high flow oxygen therapy apparatus according to claim 2, further comprising a sensor electrically connected to the main control unit, wherein the sensor is used for detecting the oxygen supply condition of the external oxygen source and generating a signal to send to the main control unit, and the main control unit determines the oxygen supply condition of the external oxygen source according to the signal.
4. The high flow oxygen therapy apparatus according to claim 3, wherein when the main control unit determines that the external oxygen source has supplied oxygen, the main control unit instructs the pipeline switching unit to communicate to the external oxygen supply interface; when the main control unit judges that the external oxygen source does not supply oxygen, the main control unit instructs the pipeline switching unit to be communicated to the oxygen generation unit.
5. The high flow oxygen therapy apparatus according to any one of claims 1 to 4 further comprising a air treatment assembly for receiving air and oxygen and producing gas suitable for a patient, wherein the air treatment assembly receives oxygen from the line switching unit.
6. The high flow oxygen therapy apparatus according to claim 5, wherein the air oxygen treatment assembly comprises an air oxygen proportion adjusting unit, the air oxygen proportion adjusting unit is communicated with the pipeline switching unit, the air oxygen proportion adjusting unit receives air and oxygen from the pipeline switching unit, and the air oxygen proportion adjusting unit is used for adjusting the proportion of the air and the oxygen and outputting air oxygen mixed gas with specific concentration.
7. The high flow oxygen therapy apparatus according to claim 6, wherein the air oxygen treatment assembly comprises an air oxygen mixing unit, the air oxygen mixing unit is communicated with the air oxygen proportion adjusting unit, the air oxygen mixing unit receives the air oxygen mixed gas from the air oxygen proportion adjusting unit, and the air oxygen mixing unit uniformly mixes the oxygen and the air in the air oxygen mixed gas.
8. The high flow oxygen therapy apparatus according to claim 7, wherein the air oxygen treatment assembly comprises an air oxygen compression unit and a humidification unit, the air oxygen compression unit is communicated with the air oxygen mixing unit and receives and compresses the air oxygen mixed gas from the air oxygen mixing unit; the humidifying unit is communicated with the air-oxygen compression unit and receives and humidifies the air-oxygen mixed gas from the air-oxygen compression unit.
9. The high flow oxygen therapy apparatus according to claim 6, wherein said high flow oxygen therapy apparatus comprises a filtering unit, said filtering unit is respectively communicated with said oxygen generation unit and said air-oxygen proportion regulation unit, said filtering unit receives air and purifies and filters the air, said filtering unit respectively delivers the purified air to said oxygen generation unit and said air-oxygen proportion regulation unit.
10. The high flow oxygen therapy apparatus according to claim 8, wherein a main control unit is electrically connected with at least one of the air-oxygen proportion adjusting unit, the air-oxygen mixing unit, the air-oxygen compressing unit and the humidifying unit.
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