CN213642636U

CN213642636U - Closed respirator pipeline for preventing nosocomial infection

Info

Publication number: CN213642636U
Application number: CN202021558588.XU
Authority: CN
Inventors: 张津夫; 徐子珺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-07-09
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a closed breathing machine pipeline for preventing nosocomial infection, which comprises a pipeline provided with a water accumulator, wherein one end of the pipeline is provided with a first joint for hermetically connecting a breathing valve of the breathing machine, and the other end of the pipeline is provided with a second joint for connecting a negative pressure exhaust port; and an air inlet pressure regulating valve for regulating air inlet pressure is arranged on the pipeline. The closed respirator pipeline for preventing nosocomial infection provided by the utility model can discharge the expired air of a patient in a closed way when the respirator is used; avoid causing infection in hospital and produce secondary disasters.

Description

Closed respirator pipeline for preventing nosocomial infection

Technical Field

The utility model belongs to the field of medical equipment, especially an airtight breathing machine pipeline of infection in the prevention institute that is used in invasive breathing machine.

Background

When the invasive respirator is used, an artificial airway needs to be established, namely, mechanical ventilation is carried out through nose or through an oral tracheal cannula and a tracheotomy mode; invasive mechanical ventilation through an artificial airway is closed-loop ventilation, but exhaled air of a patient can be dispersed in air of a ward through a ventilator exhalation valve, and a reliable method for performing harmless disinfection treatment on the exhaled air and doing work without increasing the exhaled air of the patient is not available at present. Therefore, this aspect is always one of the important sources of nosocomial infections, not only harming other patients, but also the healthcare workers, the recent worldwide outbreak of COVIP-19, with a large number of healthcare worker infections, and also evidencing the importance of scientifically managing the exhaled breath of patients, able to minimize secondary disasters.

Disclosure of Invention

In view of this, the utility model provides a airtight breathing machine pipeline of infection in prevention hospital makes patient's expired air airtight discharge, does not increase patient's expiration acting.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a closed breathing machine pipeline for preventing nosocomial infection comprises a pipeline provided with a water accumulator, wherein one end of the pipeline is provided with a first connector hermetically connected with a breathing valve of the breathing machine, and the other end of the pipeline is provided with a second connector connected with a negative pressure exhaust port; and an air inlet pressure regulating valve for regulating air inlet pressure is arranged on the pipeline.

Further, the air inlet pressure regulating valve is arranged on a pipeline between the water accumulator and the second connector.

Furthermore, the air inlet pressure regulating valve comprises a valve body and a regulating screw, wherein the valve body is arranged on the pipeline and is provided with a threaded hole inside the straight pipeline; the adjusting screw corresponds to the threaded hole; an air inlet hole is formed in the side wall of the valve body, and the height of the air inlet hole is smaller than that of the threads in the threaded hole.

Furthermore, the air inlet pressure regulating valve is obliquely arranged on the pipeline,

further, the air inlet pressure regulating valve comprises a valve body, a regulating screw and an air inlet channel; the valve body is arranged on the pipeline and is provided with a threaded hole which is communicated with the interior of the pipeline; the adjusting screw corresponds to the threaded hole; and an air inlet channel which protrudes out of the valve body and is communicated with the threaded hole is arranged on the side wall of the valve body.

Furthermore, the air inlet channel is upward opened, and the section in the vertical direction is a trapezoid with a wide upper part and a narrow lower part.

Furthermore, a Douglas bag is connected between the second connector and the negative pressure exhaust port.

On the other hand, the utility model also provides an air inlet pressure regulating valve used for the breathing machine loop, which comprises a valve body, a regulating screw and an air inlet channel; the valve body is arranged on a pipeline of the breathing machine loop and is provided with a threaded hole which is communicated with the interior of the pipeline; the adjusting screw corresponds to the threaded hole; and an air inlet channel which protrudes out of the valve body and is communicated with the threaded hole is arranged on the side wall of the valve body.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the closed respirator pipeline for preventing nosocomial infection provided by the utility model can discharge the expired air of a patient in a closed way when the respirator is used; the nosocomial infection and secondary disaster are avoided;

(2) the air inlet pressure regulating valve structure designed by the utility model can regulate the air inlet pressure valve to make the air leakage zero when the negative pressure at the negative pressure exhaust end is too large, thereby avoiding the problem of air suction and diversion (air leakage) of the breathing machine, and not increasing the expiratory resistance, the expiratory work done and the repetitive respiration of the patient;

(3) the utility model discloses in added douglas bag structure, as the buffer structure of atmospheric pressure, the negative pressure of negative pressure exhaust end leads to the air current too big when urgent, can cushion through douglas bag, further guarantees can not increase patient's expiration resistance, expiration work done and increase repetitive respiration.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention;

fig. 3 is a schematic structural diagram of a third embodiment of the present invention;

fig. 4 is a schematic structural view of an air inlet passage according to a third embodiment of the present invention;

fig. 5 is a schematic structural diagram of a fourth embodiment of the present invention.

Wherein:

1. a pipeline; 2. a first joint; 3. a second joint; 4. a water accumulator; 5. an intake pressure regulating valve;

6. adjusting screws; 7. a valve body; 8. an air inlet; 9. an air intake passage; 10. douglas bags.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

In the description of the present invention, when a component is referred to as being "secured" to another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

The first embodiment is as follows:

in the first embodiment of the present invention, a closed ventilator circuit for preventing nosocomial infection is provided as shown in fig. 1, and includes a circuit 1 for connecting an exhalation end of a ventilator, the circuit 1 is provided with a water collector 4 as a common circuit for a ventilator, one end of the circuit 1 is provided with a first connector 2, the first connector 2 is a female structure and is used for connecting an interface of an exhalation valve of a ventilator; the other end of the pipeline 1 is provided with a second connector 3, and the second connector 3 is of a male structure and is used for connecting a negative pressure exhaust end; the negative pressure exhaust end can be a negative pressure end of a ward or an air outlet constructed in houses of emergency treatment, ICU, operating rooms, infectious departments and the like.

In order to avoid the problem of inspiration shunting (air leakage) of the breathing machine when the negative pressure at the negative pressure exhaust end is too large, which leads to increased work done by the patient during expiration, the utility model discloses an air inlet pressure regulating valve 5 is arranged on the pipeline 1, the air inlet pressure regulating valve 5 is arranged on the pipeline 1 between the water accumulator 4 and the second joint 3, and comprises a regulating screw 6 and a valve body 7, the valve body 7 is arranged on the pipeline 1, and is provided with a threaded hole which is directly communicated with an air duct inside the pipeline 1; the adjusting screw 6 is matched with the threaded hole; the lateral wall of the valve body 7 is provided with an air inlet hole 8, the air inlet hole 8 is directly communicated with a threaded hole, the height of the threaded hole is smaller than that of the threaded hole, the adjusting screw 6 rotates in the threaded hole to move up and down, the air inlet hole 8 is sealed or exposed, so that air flow entering the internal air channel of the pipeline 1 from the threaded hole 8 can be adjusted, when negative pressure at the negative pressure exhaust end is too large, air is supplemented from the air inlet hole 8 through adjusting the air inlet pressure adjusting valve 5, air leakage of the respirator is zero, and the exhalation resistance, the exhalation work doing function and the repetitive respiration of a patient cannot be increased.

Example two:

fig. 2 shows a structure of a second embodiment, which is basically the same as the first embodiment, except that the intake pressure regulating valve 5 is obliquely arranged on the pipeline 1, so as to avoid occupying too much space and causing influence on other equipment lines or other pipelines.

It should be noted that the water collector 4 in the figure is different from the first embodiment, but the water collector 4 is a breathing machine pipeline common-use device, and no matter which type of water collector structure is adopted, the structure and the effect of the utility model can not be influenced.

Example three:

fig. 3 and 4 show another structure design of the present invention, which is different from the first embodiment in the intake pressure regulating valve 5.

In this embodiment, the intake pressure regulating valve 5 includes a valve body 7, a regulating screw 6, and an intake passage 9; the valve body 7 is arranged on the pipeline 1 and is provided with a threaded hole which is directly communicated with the interior of the pipeline; the adjusting screw 6 corresponds to the threaded hole and is matched with the threaded hole; and an air inlet channel 9 which protrudes out of the valve body 7 and is communicated with the threaded hole is arranged on the side wall of the valve body 7.

As shown in fig. 2, the air inlet passage 9 has an upward opening, a large upper surface and a small lower surface, the vertical cross section is a trapezoid with a wide upper part and a narrow lower part, and the part of the side wall of the valve body 7, which is connected with the air inlet passage 9, is completely penetrated.

Under inlet channel 9's structure, adjusting screw 6's regulation effect is more excellent, and the air current that gets into valve body 7 through inlet channel 9 is showing more to the influence of negative pressure, and the reposition of redundant personnel (gas leakage) problem of breathing in of better solution breathing machine avoids increasing patient's expiratory resistance, expiration work and repetitive respiration.

Example four:

as shown in fig. 5, a structure of the fourth embodiment is that, on the basis of the above-mentioned embodiments, a connection douglas bag 10 may be provided between the second connector 3 and the negative pressure exhaust port, the douglas bag 10 is an existing product and mainly functions to buffer airflow, and when the negative pressure at the negative pressure exhaust end is too high and the airflow is too fast, the douglas bag 10 may buffer the airflow, so as to further ensure that the expiratory resistance, the expiratory work and the repeated respiration of the patient are not increased.

In fig. 5, the structure of the second embodiment is taken as an example, the second joint 3 is connected with the air inlet of the douglas bag 10, and the air outlet of the douglas bag is connected with the negative pressure exhaust end. Other embodiments of the structure may also incorporate the douglas bag 10 in a manner consistent with the attachment of fig. 5.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A closed breathing machine pipeline for preventing nosocomial infection comprises a pipeline provided with a water accumulator, and is characterized in that one end of the pipeline is provided with a first joint hermetically connected with a breathing valve of the breathing machine, and the other end of the pipeline is provided with a second joint connected with a negative pressure exhaust port; and an air inlet pressure regulating valve for regulating air inlet pressure is arranged on the pipeline.

2. A closed hospital infection prevention ventilator circuit as recited in claim 1 in which said inlet pressure regulating valve is disposed in said circuit between said water trap and said second connector.

3. The closed respirator pipeline for preventing nosocomial infection according to claim 1, wherein the inlet pressure regulating valve comprises a valve body and a regulating screw, the valve body is arranged on the pipeline and is provided with a threaded hole which is communicated with the interior of the pipeline; the adjusting screw corresponds to the threaded hole; an air inlet hole is formed in the side wall of the valve body, and the height of the air inlet hole is smaller than that of the threads in the threaded hole.

4. The closed hospital infection prevention ventilator circuit according to claim 3, wherein said inlet pressure regulating valve is disposed diagonally to said circuit.

5. The closed respirator pipeline for preventing hospital infection according to claim 1, wherein the air inlet pressure regulating valve comprises a valve body, a regulating screw and an air inlet channel; the valve body is arranged on the pipeline and is provided with a threaded hole which is communicated with the interior of the pipeline; the adjusting screw corresponds to the threaded hole; and an air inlet channel which protrudes out of the valve body and is communicated with the threaded hole is arranged on the side wall of the valve body.

6. The closed respirator pipeline for preventing nosocomial infections according to claim 5, wherein the air inlet channel is upward opened and has a trapezoidal vertical section with a wide upper part and a narrow lower part.

7. The closed hospital ward infection prevention ventilator circuit according to any one of claims 1 to 6, wherein a douglas bag is further connected between the second connector and the negative pressure exhaust port.

8. An air inlet pressure regulating valve for a closed ventilator circuit for preventing nosocomial infections according to claim 1, wherein said air inlet pressure regulating valve comprises a valve body, a regulating screw, an air inlet passage; the valve body is arranged on a pipeline of the breathing machine loop and is provided with a threaded hole which is communicated with the interior of the pipeline; the adjusting screw corresponds to the threaded hole; and an air inlet channel which protrudes out of the valve body and is communicated with the threaded hole is arranged on the side wall of the valve body.

9. The intake pressure regulating valve according to claim 8, wherein the intake passage opens upward, and a vertical cross section is a trapezoid that is wide at the top and narrow at the bottom.