CN219630357U

CN219630357U - Instant opening and closing type oxygen inhaler

Info

Publication number: CN219630357U
Application number: CN202222041420.7U
Authority: CN
Inventors: 别拓铭; 危新岗; 周名智; 义印明; 段嵩枫; 张艳
Original assignee: Guangzhou Welllead Medical Equipment Co ltd
Current assignee: Guangzhou Welllead Medical Equipment Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-09-05
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses an instant opening and closing type oxygen inhaler, which comprises an opening and closing control valve, wherein one end of the opening and closing control valve is an output end, the other end of the opening and closing control valve is connected with an external oxygen source through a pipeline to form an oxygen inhalation channel capable of controlling on-off of air flow in real time, and the opening and closing control valve is provided with a pressure regulating valve, a safety valve and a pressure monitoring meter. The utility model can change the conventional continuous air supply mode into an intermittent pulse air supply mode, thereby meeting the clinical requirement of on-off and intermittent air supply.

Description

Instant opening and closing type oxygen inhaler

Technical Field

The utility model relates to the field of medical appliances, in particular to an instant opening and closing oxygen inhaler.

Background

An oxygen inhaler is a medical device for oxygen inhalation, and is mainly used for supplying oxygen to emergency patients and oxygen to hypoxic patients at a proper flow rate. The common oxygen inhalators comprise a buoy type oxygen inhalator, a central oxygen supply type oxygen inhalator and the like, and are generally composed of a pressure gauge, a pressure reducing valve, a safety valve, a flowmeter, a flow control valve and a humidifying bottle, wherein the main use scene is that continuous oxygen supply is carried out on a patient in an outpatient service and a ward through a nasal oxygen tube.

With the development of medical technology, more sub-divided emergency modes, such as intermittent oxygen supply ventilation by matching with CPR during emergency, need an oxygen inhaler capable of controlling the opening and closing of the air passage in real time. The conventional oxygen inhaler is inconvenient to control on-off in real time, is complicated to adjust and control by special active breathing equipment, and is difficult to meet the requirement of rapidly and immediately controlling oxygen inhalation in emergency.

How to solve the problems is a technical problem to be solved.

Disclosure of Invention

The utility model aims to provide an instant opening and closing type oxygen inhaler, which can change a conventional continuous air supply mode into an intermittent pulse air supply mode, thereby meeting the clinical requirements of instant opening and closing and intermittent air supply of air supply.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an instant opening and closing type oxygen inhaler which comprises an opening and closing control valve, wherein one end of the opening and closing control valve is an output end, the other end of the opening and closing control valve is connected with an external oxygen source through a pipeline to form an oxygen inhalation channel capable of controlling on-off of air flow in real time, and the opening and closing control valve is provided with a pressure regulating valve, a safety valve and a pressure monitoring meter.

Further, the oxygen source control valve further comprises an output extension pipe and an oxygen source connecting pipe, wherein the output extension pipe is connected with the output end of the opening and closing control valve through a connecting joint, one end of the oxygen source connecting pipe is connected with an external oxygen source, and the other end of the oxygen source connecting pipe is connected with the input end of the opening and closing control valve through a pressure regulating valve.

Further, the opening and closing control valve comprises a valve body, the valve body is connected with a handle in a rotating manner and is internally provided with a valve cavity, two ends of the valve cavity are respectively communicated with an upper channel and a lower channel, wherein the upper channel is communicated with an output extension pipe through a connector, the lower channel is communicated with an oxygen source connecting pipe through a safety valve, a valve core for controlling the on-off of an oxygen inhalation channel is slidably arranged in the valve cavity, one end of the valve core is connected with a reset spring for pushing the valve core to slide in the air flow cutting direction, and the other end of the valve core penetrates out of the valve cavity to be in interference fit with the handle, and the pressure monitoring meter is communicated with the valve cavity.

Further, the valve cavity comprises a first cavity and a second cavity which are communicated, wherein the reset spring is sleeved in the second cavity, the pressure monitoring meter is communicated with the second cavity, the valve core is slidably sleeved in the first cavity, one end of the valve core penetrates out of the valve cavity to be in interference fit with the handle, the other end of the valve core extends into the second cavity to be in contact with the reset spring, valve ports are formed in the side walls of the first cavity and the second cavity, and the first cavity and the second cavity are communicated with the upper channel and the lower channel through the two valve ports respectively.

Further, the valve core comprises a core rod, one end of the core rod penetrates out of the valve cavity to be in interference fit with the handle, the other end of the core rod extends into the second cavity and is sleeved on the inner side of the reset spring, and sealing rings are arranged at two ends of the core rod, wherein the sealing rings located at one end, close to the second cavity, of the core rod are in abutting connection with the reset spring, and when the reset spring is in an extending state, the sealing rings are located between two valve ports.

Further, at least one interface for connecting an external air source is further arranged on the valve body, and the lower end of the interface is communicated with the second chamber.

Further, a filter element is arranged in the connector.

Further, the section of the tube cavity of the output extension tube is five-star or six-star, and the reinforcing spring is embedded in the tube wall of the output extension tube.

Further, the output extension tube and the oxygen source connecting tube are made of polyvinyl chloride or silica gel or polyurethane elastomer materials.

Due to the adoption of the structure, the utility model has the following beneficial effects:

the utility model is characterized in that the opening and closing control valve is connected with an external oxygen source through a pipeline, when the opening and closing control valve is in a normally closed state, when oxygen is needed to be supplied to a patient, the opening and closing control valve is opened after the air pressure is regulated to be within a preset range through the pressure regulating valve, oxygen provided by the external oxygen source can be instantly supplied to the patient through the oxygen inhalation channel, and the oxygen inhalation channel can be immediately cut off by closing the opening and closing control valve, and oxygen provided by the external oxygen source can not be supplied to the patient through the oxygen inhalation channel, so that a conventional continuous air supply mode is changed into an intermittent pulse air supply mode through a mode of controlling ventilation and opening and closing in real time, and the requirements of clinically instant opening and closing of air supply and intermittent air supply are met.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the on-off control valve of the present utility model;

FIG. 3 is a cross-sectional view of the various lumens of the output extension tube of the present utility model;

FIG. 4 is a schematic view of the structure of the output extension tube with reinforcing spring of the present utility model;

fig. 5 is a schematic diagram of the overall structure of the opening and closing control valve with the interface of the present utility model.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the instant start-stop oxygen inhaler provided by the present utility model comprises a start-stop control valve 3, wherein one end of the start-stop control valve 3 is an output end, and the other end of the start-stop control valve 3 is connected with an external oxygen source through a pipeline to form an oxygen inhalation channel capable of instantly controlling on-off of an air flow, so that the start-stop of the oxygen inhalation channel is controlled in real time by controlling the instant start-stop control valve 3, and a conventional continuous air supply mode is changed into an intermittent pulse air supply mode, thereby meeting the clinical requirements of instant start-stop and intermittent air supply of air supply; and the opening and closing control valve 3 is provided with a pressure regulating valve 5, a safety valve 6 and a pressure monitoring meter 8. The pressure monitoring meter 8 is used for monitoring the air pressure in the oxygen inhalation channel in real time, and the air pressure can be regulated to a required air pressure value through the pressure regulating valve 5; when the internal air pressure of the oxygen inhalation channel exceeds the threshold value of the safety valve 6, the safety valve 6 starts to release air and gives an alarm to remind that the pressure is too high, and the air pressure needs to be regulated down through the pressure regulating valve 5.

The utility model further comprises an output extension tube 1 and an oxygen source connecting tube 2, wherein the output extension tube 1 is connected with the output end of the opening and closing control valve 3 through a connector 7, and two ends of the connector 7 are respectively connected with the output extension tube 1 and the opening and closing control valve 3 in a threaded manner; one end of the oxygen source connecting pipe 2 is connected with an external oxygen source, and the other end of the oxygen source connecting pipe 2 is connected with the input end of the opening and closing control valve 3 through the pressure regulating valve 5.

In the utility model, the opening and closing control valve 3 comprises a valve body 31, a handle is rotatably connected to the valve body 31, a valve cavity 32 is formed in the valve body 31, two ends of the valve cavity 32 are respectively communicated with an upper channel 33 and a lower channel 34, wherein the upper channel 33 is communicated with the output extension tube 1 through a connector 7, the lower channel 34 is communicated with the oxygen source connecting tube 2 through a pressure regulating valve 5, a valve core 35 for controlling the on-off of the oxygen inhalation channel is slidably arranged in the valve cavity 32, one end of the valve core 35 is connected with a reset spring 36 for pushing the valve core 35 to slide towards the direction of cutting off the air flow, the other end of the valve core 35 penetrates out of the valve cavity 32 and is in interference fit with the handle 37, and the pressure monitoring meter 8 is communicated with the valve cavity 32 and is used for monitoring the air pressure in the valve cavity 32 in real time. Before use, the return spring 36 pushes the valve core 35 to slide in the direction of cutting off the air flow, so that the air flow is blocked by the valve core 35, and the upper channel 33 is not communicated with the lower channel 34; when the air flow control valve is used, the valve core 35 is pushed to slide along the valve cavity 32 in a direction far away from airflow cutoff direction by the handle 37, the reset spring 36 compresses, the upper channel 33 is communicated with the lower channel 34, oxygen provided by an external oxygen source can be sequentially conveyed to a patient through the oxygen source connecting pipe 2, the lower channel 34, the valve cavity 32, the upper channel 33 and the output extension pipe 1, and when the handle 37 is released, the reset spring 36 pushes the valve core 35 to restore to be in situ so as to cut off airflow, so that the effect of manually controlling ventilation and opening and closing is achieved.

In the present utility model, the valve cavity 32 includes a first chamber 321 and a second chamber 322 that are communicated, wherein the return spring 36 is sleeved in the second chamber 322, the pressure monitor 8 is communicated with the second chamber 322, the valve core 35 is slidably sleeved in the first chamber 321, one end of the valve core 35 passes out of the valve cavity 32 and is in interference fit with the handle 37, the other end of the valve core 35 extends into the second chamber 322 and is in contact with the return spring 36, valve ports are formed on side walls of the first chamber 321 and the second chamber 322, and the first chamber 321 and the second chamber 322 are respectively communicated with the upper channel 33 and the lower channel 34 through two valve ports. Before use, the valve core 35 separates the first chamber 321 from the second chamber 322; when the valve body 35 slides in the spring compression direction, the first chamber 321 and the second chamber 322 can be communicated, and the upper channel 33 and the lower channel 34 can be further communicated through two valve ports, so that air flow can pass through.

In the present utility model, the valve core 35 includes a core rod 351, one end of the core rod 351 passes through the valve cavity 32 to be in interference fit with the handle 37, the other end of the core rod 351 extends into the second chamber 322 and is sleeved on the inner side of the return spring 36, and sealing rings 352 are disposed at two ends of the core rod 351, wherein the sealing ring 352 disposed at one end of the core rod 351 near the second chamber 322 is in interference fit with the return spring 36, and the sealing ring 352 is disposed between two ports when the return spring 36 is in an extended state. Before use, the return spring 36 pushes the valve core 35 to slide until the sealing ring 352 positioned on one end of the core rod 351, which is close to the second chamber 322, slides between the two valve ports, so that the first chamber 321 and the second chamber 322 are separated from communication, and the air flow is cut off; in use, the valve core 35 is pushed by the handle 37 to slide in the direction of compressing the return spring 36 until the sealing ring 352 located on one end of the core rod 351 near the second chamber 322 slides over the valve port communicating with the lower passage 34, but the other sealing ring 352 does not slide over the valve port communicating with the upper passage 33, so that the space between the two sealing rings 352 in the upper passage 33 and the valve cavity 32, the lower passage 34 are sequentially communicated, and air flow is circulated.

In the present utility model, the valve body 31 is further provided with at least one interface 4 for connecting an external air source, and the lower end of the interface 4 is communicated with the second chamber 322, so as to connect a plurality of air sources, realize multi-air source ventilation or mixed ventilation, and be suitable for more clinical situations.

In the utility model, the connector 7 is internally provided with a filter element for filtering impurities and particles in the air flow, so as to improve the cleanliness of ventilation.

In the utility model, the cross section of the tube cavity of the output extension tube 1 is five-star or six-star, so that the bending ventilation capability of the output extension tube 1 can be effectively improved, and even if the output extension tube 1 is completely extruded or bent, a gap is reserved at the extrusion bending position of the output extension tube 1 as a gas channel, so that the smoothness of ventilation is ensured; and moreover, the reinforcing spring is buried in the pipe wall of the output extension pipe 2 and used for reinforcing the strength of the output extension pipe 2, so that the extrusion resistance and bending resistance of the output extension pipe 1 are further improved, and the ventilation smoothness is ensured.

In the utility model, the output extension tube 1 and the oxygen source connecting tube 2 are made of polyvinyl chloride or silica gel or polyurethane elastomer materials, so that the output extension tube 1 and the oxygen source connecting tube 2 have good biocompatibility and inertness, have good compatibility with oxygen, and can ensure stability and softness for a long time.

Before the utility model is used, the return spring 36 pushes the valve core 35 to slide until the sealing ring 352 positioned at one end of the core rod 351 close to the second chamber 322 slides between two valve ports, thereby separating the first chamber 321 from the second chamber 322 and disconnecting the air flow; in use, the handle 37 is turned towards the direction of approaching the valve body 31, the handle 37 is propped against one end of the valve core 35 which is positioned outside the valve cavity 32, the valve core 35 is pushed to slide towards the compression direction of the return spring 36 until the sealing ring 352 positioned on one end of the core rod 351 close to the second cavity 322 slides across the valve port communicated with the lower channel 34, but the other sealing ring 352 does not slide across the valve port communicated with the upper channel 33, so that oxygen provided by an external oxygen source can be delivered to a patient through the oxygen source connecting pipe 2, the lower channel 34 and the space between the two sealing rings 352 in the valve cavity 32, the upper channel 33 and the output extension tube 1 in sequence, and when the handle 37 is released, the return spring 36 pushes the valve core 35 to slide towards the extension direction of the return spring 36 until the sealing ring 352 positioned on one end of the core rod 351 close to the second cavity 322 slides across the valve port communicated with the lower channel 34, and then is positioned between the two valve ports, so that the air flow is cut off. Therefore, the utility model can manually control the ventilation and opening and closing, changes the conventional continuous air supply mode into an intermittent pulse air supply mode, and meets the requirement of clinically on immediate opening and closing of air supply and intermittent air supply.

The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments without departing from the scope of the technical solution of the present utility model, using the methods and technical contents disclosed above, without affecting the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. An instant opening and closing oxygen inhaler comprises an opening and closing control valve (3); the method is characterized in that: one end of the opening and closing control valve (3) is an output end, the other end of the closing control valve (3) is connected with an external oxygen source through a pipeline to form an oxygen inhalation channel capable of controlling on-off of air flow in real time, and the opening and closing control valve (3) is provided with a pressure regulating valve (5), a safety valve (6) and a pressure monitoring meter (8).

2. An on-and-off oxygen inhaler according to claim 1, wherein: the oxygen source control device is characterized by further comprising an output extension pipe (1) and an oxygen source connecting pipe (2), wherein the output extension pipe (1) is connected with the output end of the opening and closing control valve (3) through a connecting head (7), one end of the oxygen source connecting pipe (2) is connected with an external oxygen source, and the other end of the oxygen source connecting pipe (2) is connected with the input end of the opening and closing control valve (3) through a pressure regulating valve (5).

3. An on-and-off oxygen inhaler according to claim 2, wherein: the opening and closing control valve (3) comprises a valve body (31), a handle is rotationally connected to the valve body (31), a valve cavity (32) is formed in the valve body (31), two ends of the valve cavity (32) are respectively communicated with an upper channel (33) and a lower channel (34), the upper channel (33) is communicated with an output extension pipe (1) through a connector (7), the lower channel (34) is communicated with an oxygen source connecting pipe (2) through a safety valve (6), a valve core (35) for controlling the on-off of an oxygen inhalation channel is slidably arranged in the valve cavity (32), one end of the valve core (35) is connected with a reset spring (36) for pushing the valve core (35) to slide in the direction of airflow cutoff, and the other end of the valve core (35) penetrates out of the valve cavity (32) to be in interference fit with the handle (37), and the pressure monitoring meter (8) is communicated with the valve cavity (32).

4. An on-and-off oxygen inhaler according to claim 3, wherein: the valve cavity (32) comprises a first cavity (321) and a second cavity (322) which are communicated, wherein the reset spring (36) is sleeved in the second cavity (322), the pressure monitoring meter (8) is communicated with the second cavity (322), the valve core (35) is slidably sleeved in the first cavity (321), one end of the valve core (35) penetrates out of the valve cavity (32) to be in interference fit with the handle (37), the other end of the valve core (35) extends into the second cavity (322) to be in butt joint with the reset spring (36), and valve ports are formed in side walls of the first cavity (321) and the second cavity (322), and the first cavity (321) and the second cavity (322) are respectively communicated with the upper channel (33) and the lower channel (34) through two valve ports.

5. An on-and-off oxygen inhaler according to claim 4, wherein: the valve core (35) comprises a core rod (351), one end of the core rod (351) penetrates out of the valve cavity (32) and is in interference fit with the handle (37), the other end of the core rod (351) extends into the second cavity (322) and is sleeved on the inner side of the reset spring (36), sealing rings (352) are arranged at two ends of the core rod (351), and the sealing rings (352) located at one end, close to the second cavity (322), of the core rod (351) are abutted with the reset spring (36) and are located between two valve ports when the reset spring (36) is in an extending state.

6. An on-and-off oxygen inhaler according to claim 4, wherein: the valve body (31) is also provided with at least one interface (4) for connecting an external air source, and the lower end of the interface (4) is communicated with the second chamber (322).

7. An on-and-off oxygen inhaler according to any of claims 2 to 6, wherein: a filter element is arranged in the connector (7).

8. An on-and-off oxygen inhaler according to any of claims 2 to 6, wherein: the section of the tube cavity of the output extension tube (1) is five-star or six-star, and a reinforcing spring is embedded in the tube wall of the output extension tube (1).

9. An on-and-off oxygen inhaler according to any of claims 2 to 6, wherein: the output extension tube (1) and the oxygen source connecting tube (2) are made of polyvinyl chloride or silica gel or polyurethane elastomer materials.