CN211158010U - Respiratory therapy equipment - Google Patents

Abstract

The utility model discloses a respiratory therapy equipment, wherein, respiratory therapy equipment includes: and the gas outlet of the gas flow passage is provided with a first filter. Based on this, the utility model provides a respiratory therapy equipment can filter the bacterium or the virus that carry in the patient's expired gas, prevents that bacterium or virus from getting into gas flow channel to this prevents that bacterium or virus in the gas flow channel from getting into other patients when using next time is internal, causes cross infection's problem.

Description

Respiratory therapy equipment

Technical Field

The utility model relates to the technical field of medical equipment, what especially relate to is a respiratory therapy equipment.

Background

In modern clinical medicine, a ventilator or an instrument with similar functions is used as an effective means for manually replacing the autonomous ventilation function, and is widely used in respiratory failure caused by various reasons, anesthesia respiratory management during major operations, respiratory support therapy and emergency resuscitation, and occupies a very important position in the modern medical field. The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient.

Respiratory therapy equipment generally uses gas delivery for the patient through gas delivery pipe (respiratory therapy equipment can direct connection gas delivery pipe, perhaps connects gas delivery pipe through humidifying jar or similar auxiliary equipment is indirect), because the gas of patient exhalation often carries with bacterium or virus, consequently, bacterium or virus can enter into inside gas flow path through respiratory therapy equipment's gas outlet, adhere to and breed. When the respiratory therapy apparatus is used again, the problem of cross infection among patients is easily caused.

It can be seen that the prior art is still in need of improvement and development.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, the present invention aims to provide a respiratory therapy apparatus, which aims to solve the problem of cross infection between patients caused by bacteria or viruses attached to the respiratory therapy apparatus due to the exhaled air of the patients.

The technical scheme of the utility model as follows:

a respiratory therapy apparatus comprising: a gas flow channel having a gas outlet; the respiratory therapy apparatus further includes a first filter disposed at an outlet of the gas flow passage.

In a further preferred aspect, the first filter is detachably mounted to the gas outlet of the gas flow passage.

In a further preferred aspect, the first filter is a filter screen.

In a further preferred embodiment, the respiratory therapy apparatus further comprises a limiting ring, the limiting ring is detachably mounted at the gas outlet of the gas flow passage, and the filter is fixed on the limiting ring or limited at the inner side of the limiting ring.

In a further preferred embodiment, the stop collar is a connection joint for connecting a gas delivery pipe or an auxiliary device.

In a further preferred scheme, a disinfection heating device is arranged in the gas flow channel and used for generating the temperature of the preset value.

In a further preferred aspect, the gas flow path includes: the first air inlet branch comprises a first gas inlet pipe, and the disinfection heating device is arranged in the first gas inlet pipe.

In a further preferred aspect, the gas flow path includes: the gas-liquid separator comprises a first gas inlet branch, a second gas inlet branch and a main flow passage, wherein the first gas inlet branch comprises at least one first gas inlet pipe, the second gas inlet branch comprises at least one second gas inlet pipe, and the main flow passage comprises at least one main flow passage; the gas in the first gas inlet pipe and the gas in the second gas inlet pipe are mixed in the main flow channel, and the disinfection heating device is arranged in the first gas inlet branch or the main flow channel; or the first gas inlet pipe and the second gas inlet pipe are connected with the main flow pipeline through connecting joints, and the gas in the first gas inlet pipe and the gas in the second gas inlet pipe are mixed in the main flow pipeline; the disinfection heating device is arranged in the connecting joint.

In a further preferred aspect, the respiratory therapy apparatus further comprises: a circulation conduit connected between the inlet and the outlet of the gas flow channel.

In a further preferred aspect, the respiratory therapy apparatus further comprises: circulating line and disinfection device that generates heat, circulating line connects between the import and the export of gas flow channel, the disinfection device that generates heat sets up in the circulating line.

In a further preferred aspect, a second filter is provided at the gas inlet of the gas flow passage.

Compared with the prior art, the utility model provides a respiratory therapy equipment, include: and the gas outlet of the gas flow passage is provided with a first filter. Based on this, the utility model provides a respiratory therapy equipment can filter the bacterium or the virus that carry in the patient's expired gas, prevents that bacterium or virus from getting into gas flow channel to this prevents that bacterium or virus in the gas flow channel from getting into the patient internal when using next time, causes the problem of relatively poor infection.

Drawings

Fig. 1 is an exploded view of a respiratory therapy apparatus in a preferred embodiment of the invention.

Fig. 2 is a schematic view of a first view of an exemplary humidifier according to the present invention.

Fig. 3 is a schematic diagram of a second view of an exemplary humidifier according to the present invention.

FIG. 4 is a schematic diagram of the structure of the gas flow channel in the humidifier according to the preferred embodiment of the present invention.

Fig. 5 is a schematic view of the connection between the circulation pipe and the gas flow path according to the preferred embodiment of the present invention.

Fig. 6 is a schematic view of the connection between the respiratory therapy apparatus and the circulation conduit according to the preferred embodiment of the present invention.

Detailed Description

The utility model provides a respiratory therapy equipment, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the attached drawing and lifts the example the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a respiratory therapy equipment, include: a gas flow passage provided with a first filter 300 at a gas outlet 113 thereof, as shown in fig. 1; the first filter 300 is used to filter bacteria or viruses in the gas.

A gas flow path is illustrated and is typically provided within a respiratory treatment apparatus, the gas flow path having a gas inlet and a gas outlet. The gas flow passage or the middle of the gas flow passage is provided with a fan, a sensor or a single valve and other parts. And after the gas enters the gas flow channel from the gas inlet, the gas flows out from the gas outlet. In addition, the gas flow passage may be provided outside the respiratory therapy apparatus or may be provided inside and outside the respiratory therapy apparatus when the gas flow passage meets the requirement.

The utility model discloses do not need to carry out specific restriction to the type of first filter 300, the technical staff in the art can carry out the adaptability according to respiratory therapy equipment's kind (for example high frequency jet breathing machine, noninvasive ventilator, portable pulmonary function appearance, atomizer and anesthesia machine of breathing etc.), service environment, be suitable for patient's disease, virus or bacterium kind that patient's expired air may carry etc. and select, specific first filter 300 can select for filtering cotton, inseparable filter screen or filter joint etc. as long as can realize filtering bacterium or the part or the subassembly of virus etc. all should belong to the protection scope of the utility model.

During the use of the respiratory therapy apparatus, the gas outlet of the gas flow passage is in fluid communication with the gas inlet of the humidification tank, the gas outlet of the humidification tank is in fluid communication with one end of the breathing pipeline, and the other end of the breathing pipeline is connected with a patient to supply gas to the patient. When gas is input, the gas flows into the humidification tank from the gas flow channel, is output to the breathing pipeline from the humidification tank and finally flows to a patient. When the existing respiratory therapy apparatus supplies gas to a patient, bacteria or viruses in the patient body can enter a gas flow channel through a breathing pipeline and a humidifying tank, and then the bacteria or viruses are remained and bred. Thus, there is a risk of cross-infection when the machine is reused by another patient. And this application is through being provided with the filter at the air inlet, consequently avoids bacterium, virus to enter into in the gas flow way, prevents that above-mentioned problem from taking place.

The first filter 300 provided by the present invention preferably has the following two functions: one is to filter bacteria or viruses in the respiratory gas of the patient from entering the gas flow passage and to prevent particles, bacteria or viruses in the gas flow passage from entering the respiratory tract of the patient; and the second is to reduce the gas flow channel speed.

Preferably, the first filter is detachably mounted at the gas outlet of the gas flow passage, and when the first filter needs to be disinfected, cleaned or replaced, the first filter can be directly detached for treatment. It should be understood that the present invention only requires the first filter to be conveniently detached, the specific installation structure of the first filter does not need to be specifically limited, and the installation manners of the filters of different types are not necessarily the same, for example, the filter in the form of a joint is directly connected to the air outlet pipeline in a threaded connection or clamping connection manner; of course, the different types of filters may be installed in the same manner, for example, the filter cotton and the filter net may be directly prevented from being in the air outlet pipeline in an excessive matching manner.

Furthermore, the outside of first filter is provided with the spacing ring, the effect of spacing ring lies in spacing to first filter, prevents that first filter from being blown out the gas flow path or the position changes and influence the filter effect. It is easy to understand, the utility model discloses do not need to carry out concrete limit to the relative position of spacing ring and filter, the spacing ring can link together with the filter, also can only paste together, as long as guarantee that the spacing ring can play limiting displacement can. The mode of dismantling the spacing ring can select to use and rotate, joint, break off, pop out etc. the preferred first filter is directly placed at the spacing ring inboard (i.e. first filter is not connected with the gas outlet pipeline), and after the spacing ring is dismantled, first filter can directly take out.

The limiting ring can be a ring body only having a limiting function, and the length of the limiting ring is limited by not influencing the connection between the gas conveying pipe (or an auxiliary device such as a humidifier) and the respiratory therapy equipment; such as: the gas delivery pipe needs to be inserted into the gas outlet by 3 cm, and after the first filter is installed in place, the distance between the first filter and the outer section of the gas outlet is 4 cm, and then the width of the limiting ring should be smaller than 1 cm so as to ensure the connection stability of the gas delivery pipe and the respiratory therapy equipment. The concrete mounting structure and the concrete quantity of ring body, the utility model discloses do not specifically prescribe a limit to.

The stop collar may also have a connection joint 400 for connecting a gas delivery tube (or an auxiliary device such as a humidifier) to a first filter for limiting the position, as shown in fig. 1. After the first filter and the limiting ring are installed in sequence, the first filter and the limiting ring are connected with the gas conveying pipe through the limiting ring, so that gas in the respiratory therapy equipment sequentially reaches the gas conveying pipe through the first filter and the limiting ring and is supplied to a patient through the gas conveying pipe.

As the preferred embodiment of the present invention, a sterilizing and heating device is provided in the gas flow passage, and the sterilizing and heating device is used to generate the temperature of the preset value. The utility model does not need to limit the preset value specifically, and the technicians in the field can select the preset value adaptively according to the use environment of the respiratory therapy equipment, the possibly infected virus and other conditions; the specific structure of the disinfection heating device is adapted to the temperature value which can be generated by the disinfection heating device, and a person skilled in the art can also decide which disinfection heating device to use (such as a resistance wire, a power-on heating net, a heating plate and a heating pipe, etc., which are not exhaustive) according to the temperature required by the disinfection, so that creative labor is not required, and the realization of the technical scheme of the utility model is not influenced; therefore, no matter what kind of disinfection heating device is used, the temperature geometry that the disinfection heating device is controlled to generate during disinfection should all belong to the protection scope of the utility model.

As a modification of the above preferred embodiment, the gas flow passage includes a first gas inlet branch, the gas inlet branch includes a first gas inlet pipe, and the heat-generating device for sterilization is disposed in the first gas inlet pipe.

As a respiratory therapy device, there is at least one air inlet: for a respiratory therapy apparatus that generates gas itself and supplies the gas to a patient, there is one inlet (two inlets may be present if there are multiple gases) for introducing the generated gas into the gas flow path; for a respiratory therapy apparatus in which one gas is introduced from the outside and only one gas is introduced from the outside, there is also a gas inlet for introducing the introduced gas into the gas flow path; for a respiratory therapy device introducing multiple gases from the outside, a plurality of gas inlets may exist, or even one gas inlet may exist, and when two or more gases share the same gas inlet, the phenomenon that the number of gas inlets is less than that of the gases can occur; the situation is different according to different types of respiratory therapy equipment, but in any case, the respiratory therapy equipment has at least one air inlet.

When only one air inlet exists in the gas flow channel, the disinfection heating device is preferably arranged at the first air inlet branch, so that heat emitted by the disinfection heating device can be directly conducted to gas which just enters the gas flow channel, high-temperature gas can be spread or flow through the whole gas flow channel, the disinfection of the whole gas flow channel is carried out, the disinfection effect is improved, and bacteria and viruses in the gas flow channel are killed as far as possible.

Because gas with higher temperature is often needed for sterilizing the gas flow passage, scalding is easy to happen to respiratory therapy equipment with an open air outlet. Therefore, the utility model provides a first filter 300 still has the effect that reduces disinfection with high temperature gas runner speed and make the gas temperature reduce except the effect of bacterium or virus in the filtered gas, reduces or even prevents to scald the probability that the incident takes place. It should be noted that, utilize high-temperature gas disinfection to go on when respiratory therapy equipment is idle usually, that is to say, the utility model provides a disinfection device that generates heat is preferred to be used when respiratory therapy equipment is idle, firstly because some gas can not heat the back and supply the patient to use, secondly because can prevent that the higher gas of temperature from getting into the patient internal, arouse discomfort or scald.

It is easy to conceive that the respiratory therapy device provided by the embodiment is not only suitable for the respiratory therapy device with a single air inlet branch, but also suitable for the respiratory therapy device with multiple air inlet branches.

When more than one air inlet branch exists in the air flow channel, the number and the position of the disinfection and heating devices are preferably set adaptively according to the air inlet branch to be disinfected, which is schematically illustrated by taking a humidifier as an example, as shown in fig. 2 and 3, two air inlets are provided for the humidifier 100, a first air inlet 111 is used for introducing air, and a second air inlet 112 is used for introducing hyperbaric oxygen, wherein the air inlet branch corresponding to hyperbaric oxygen does not need to be disinfected, so that in order to reduce the cost, simplify the structure and improve the disinfection effect, only the disinfection and heating devices are provided at the air inlet branch corresponding to air (114 in fig. 4 is the first gas inlet pipe of the humidifier) (the number is determined according to the disinfection effect of a single disinfection and heating device, if one air inlet branch can achieve the preset disinfection effect, only one air inlet branch can be provided, if two air inlet branches are superimposed, the preset disinfection effect can be achieved, two disinfection heating devices are arranged, and so on).

If two or more than two air inlet branches need to be disinfected, the disinfection heating devices are provided with multiple groups, the specific number is adapted to the number of the air inlet branches needing to be disinfected, namely, each air inlet branch needing to be disinfected is independently provided with a group of disinfection heating devices (each group of disinfection heating devices comprises one or more disinfection heating devices, and whether the number of the groups is the same or not is determined according to the requirements).

Further, the respiratory therapy apparatus further comprises: the gas flow channel driving source (such as the fan 115 in fig. 4, or an air pump with a suitable specification, etc. may be selected) is configured to drive the gas flow channel in the gas flow channel, and compared with gradually raising the temperature of the gas in the gas flow channel to a high-temperature gas in a heat conduction manner, the flowing high-temperature gas can flow through the position to be sterilized more quickly, so that the sterilization efficiency is improved. Place in the gas flow path driving source can be in respiratory therapy equipment, also can be external in respiratory therapy equipment, to built-in gas flow path driving source that has in the original structure component, the utility model discloses the preferred built-in gas flow path driving source that uses reduces sterile operation degree of difficulty.

Preferably, the respiratory therapy apparatus further comprises: as shown in fig. 5 and 6, the circulation pipe 200 is used to connect between the inlet and the outlet 113 of the gas flow channel. In the case where the circulation pipe 200 is provided, the high-temperature gas for sterilization does not need to be discharged to the outside, but circulates between the gas flow passage and the circulation pipe 200; the gas flow channel is communicated with the circulating pipeline 200 to form a complete disinfection circulating loop, so that scalding can be effectively avoided on one hand, the temperature of gas in the disinfection circulating loop is guaranteed on the other hand, otherwise, external low-temperature gas enters all the time, and the disinfection energy consumption is increased.

Further, the circulating pipeline 200 is a double-layer pipeline, and a gap is reserved between the two layers of pipelines, so that the pipeline temperature is prevented from being too high, and scalding accidents are prevented. It is understood that the gas flow path driving source, the first filter 300 and the circulation duct 200 may be selected from two or three thereof, and there is no conflict therebetween.

As another improvement of the above preferred embodiment, the gas flow path includes: the gas supply device comprises a first gas inlet branch, a second gas inlet branch and a main flow passage, wherein the first gas inlet branch comprises at least one first gas inlet pipe 114, the second gas inlet branch comprises at least one second gas inlet pipe, and the main flow passage comprises at least one main flow passage 116; the gas in the first gas inlet pipe and the gas in the second gas inlet pipe are mixed in the main flow passage, and the disinfection heating device is arranged in the main flow passage.

It should be noted that the present invention does not limit the types of the gases introduced by the first air inlet branch and the second air inlet branch, and the first air inlet branch and the second air inlet branch can independently introduce different gases, or can independently introduce the same gas; it is also possible to introduce a plurality of gases simultaneously from any one of the branches and to introduce any one of the gases or another gas from the other branch; or may both introduce multiple gases; the kind of introducing gas does not influence the utility model discloses technical scheme's realization, of course, because introduce certain gas, lead to the branch road to need disinfect alone, change respiratory therapy equipment or parameter, or make this branch road need not disinfect except for the condition, to the technical staff in the art, the structure or the parameter adjustment that this condition arouses need not pay out creative work, so still should belong to the utility model discloses protection scope.

In the improved embodiment, the utility model does not exclude the condition that more air inlet branches exist; it is not excluded that the air inlet branch (the first air inlet branch, the second air inlet branch and/or other air inlet branches) is provided with another disinfecting and heating device besides the disinfecting and heating device of the main flow passage.

When only the main flow passage needs to be disinfected, preferably, the disinfecting and heating device is arranged at the intersection of the main flow passage and the first air inlet branch passage and/or the second air inlet branch passage, or at one end of the main flow passage close to the intersection. Besides, the sterilizing heating device can be arranged close to or at any position of the main flow channel, and high-temperature gas flows through the position to be sterilized by controlling the modes of forward rotation (air suction) and reverse rotation (air blowing) of the gas flow channel driving source and the like; or the gas in the main flow passage is gradually heated and disinfected in a cold-heat exchange mode. Therefore, no matter how the disinfection heating device is in position relation with the main flow channel, as long as heat can be conducted into the main flow channel, the purpose of disinfecting the main flow channel can be achieved.

When at least one air inlet branch and the main flow passage both need to be disinfected, an additional heating device can be additionally arranged at the air inlet of the air inlet branch needing to be disinfected, or a pipeline is additionally arranged between the air inlet branch and the main flow passage, so that high-temperature gas in the main flow passage can flow through the air inlet branch at least once; or the high-temperature gas flows through the position to be disinfected by controlling the gas flow passage driving source to rotate forwards (air suction) and reversely (air blowing) and the like; or the temperature of the gas in the main flow passage and the gas inlet branch passage to be disinfected is gradually increased in a cold and heat exchange mode. Therefore, no matter how many and the position of the disinfection heating device, the disinfection of the main flow passage and the air inlet branch can be realized by adopting the structure of the embodiment.

In addition, please refer to the above contents for the arrangement of the gas flow passage driving source and the circulating pipeline 200, which is not repeated herein.

As a further improvement of the above preferred embodiment, the gas flow path includes: the gas supply device comprises a first gas inlet branch, a second gas inlet branch and a main flow passage, wherein the first gas inlet branch comprises a first gas inlet pipe, the second gas inlet branch comprises a second gas inlet pipe, and the main flow passage comprises at least one main flow pipeline 116, as shown in fig. 4 and 5; the first gas inlet pipe and the second gas inlet pipe are connected with the main flow pipeline 116 through connecting joints, and gas in the first gas inlet pipe and gas in the second gas inlet pipe are mixed in the main flow pipeline; the disinfection heating device is arranged in the connecting joint.

Except the position of the disinfection heating device, the improved embodiment has no substantive difference with the previous improved embodiment, and the utility model discloses this no longer give unnecessary details. In addition, according to the above-mentioned content also can be clearly and unambiguously known, the utility model discloses there is not special requirement to the position of disinfection device that generates heat, no matter set up disinfection device in which position, all can guarantee to carry out comprehensive disinfection to the gas flow way through modes such as control mode, additional structure.

As a further improvement of the above preferred embodiment, the respiratory therapy apparatus further comprises: circulating line 200, circulating line 200 connects between gas flow path's import and gas outlet 113, just the disinfection device that generates heat sets up in the circulating line 200, this improvement embodiment reforms transform the mode through the reduction to respiratory therapy equipment structure promptly, reaches the purpose of carrying out the gas flow path disinfection, makes traditional respiratory therapy equipment only need increase first filter 300 can realize reducing respiratory therapy equipment's gaseous supply speed to and carry out two technical purposes of gas flow path disinfection.

Further, the circulating pipeline 200 is a double-layer pipeline, and a gap is reserved between the two layers of pipelines, so that the pipeline temperature is prevented from being too high, and scalding accidents are prevented; double-deck pipeline uses with the cooperation of first filter 300, very big reduction the probability that the scald accident takes place.

According to the utility model discloses an on the other hand, gas flow channel's air inlet department is provided with the second filter to reduce the foreign matter that gets into gas flow channel and patient's respiratory track, the function of foreign matter in the first filter filtration gas of cooperation has further reduced the probability that foreign matter got into patient's respiratory track in the gas.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (10)

1. A respiratory therapy apparatus comprising: a gas flow channel having a gas outlet; characterized in that the respiratory therapy apparatus further comprises a first filter disposed at the gas outlet of the gas flow path.

2. The respiratory therapy apparatus according to claim 1, wherein the first filter is removably mounted to a gas outlet of the gas flow passage.

3. The respiratory therapy apparatus according to claim 2, wherein the first filter is a filter screen.

4. The respiratory therapy apparatus according to claim 2, further comprising a stop collar detachably mounted at the gas outlet of the gas flow passage, wherein the filter is fixed to the stop collar or is stopped inside the stop collar.

5. The respiratory therapy apparatus according to claim 4, wherein the stop collar is a connection fitting for connecting a gas delivery tube or an auxiliary device.

6. The respiratory therapy device according to any one of claims 1 to 5, wherein a disinfection heater is disposed in the gas flow path, the disinfection heater being configured to generate a preset temperature.

7. The respiratory therapy apparatus according to claim 6, wherein the gas flow passage comprises: the first air inlet branch comprises a first gas inlet pipe, and the disinfection heating device is arranged in the first gas inlet pipe.

8. The respiratory therapy apparatus according to claim 6, wherein the gas flow passage comprises: the gas-liquid separator comprises a first gas inlet branch, a second gas inlet branch and a main flow passage, wherein the first gas inlet branch comprises at least one first gas inlet pipe, the second gas inlet branch comprises at least one second gas inlet pipe, and the main flow passage comprises at least one main flow passage; the gas in the first gas inlet pipe and the gas in the second gas inlet pipe are mixed in the main flow channel, and the disinfection heating device is arranged in the first gas inlet branch or the main flow channel; or

The first gas inlet pipe and the second gas inlet pipe are connected with the main flow pipeline through connecting joints, and gas in the first gas inlet pipe and gas in the second gas inlet pipe are mixed in the main flow pipeline; the disinfection heating device is arranged in the connecting joint.

9. The respiratory therapy apparatus according to claim 6, further comprising: a circulation conduit connected between the inlet and the outlet of the gas flow channel.

10. The respiratory therapy apparatus according to any one of claims 1 to 5, wherein a second filter is provided at an air inlet of the gas flow passage.

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