CN217187377U - Oxygen humidifying liquid bag and oxygen humidifying device - Google Patents

Abstract

An oxygen humidifying liquid bag and an oxygen humidifying device, the humidifying liquid bag comprises: the humidifying liquid bag comprises a bag body and a mouth pipe part, wherein the mouth pipe part is connected to the bag body in a sealing manner, is provided with an internal channel communicated with an inner cavity of the humidifying liquid bag, is used for containing humidifying liquid, is provided with a humidifying liquid outlet, and also comprises a slender humidifying liquid conveying passage extending to the lower part of the humidifying liquid bag body, the upper part of the humidifying liquid conveying passage is communicated with the internal channel of the mouth pipe part, the humidifying liquid conveying passage is provided with at least one lower opening, and the lower opening of the humidifying liquid conveying passage is communicated with the inner cavity of the humidifying liquid bag; the oxygen humidifying device comprises a container with an oxygen inlet structure and an oxygen outlet structure, wherein one part or all of the inner cavity of the container can be used for humidifying oxygen, and the oxygen humidifying device also comprises a humidifying liquid pump and an oxygen humidifying liquid bag connecting structure, wherein humidifying liquid is sucked into the humidifying liquid pump through the humidifying liquid outlet through the connecting structure, and then enters the inner cavity of the container through the pump outlet structure of the humidifying liquid pump.

Description

Oxygen humidifying liquid bag and oxygen humidifying device

Technical Field

The utility model relates to an oxygen humidifying liquid bag and an oxygen humidifying device, belonging to the technical field of medical instruments.

Background

Oxygen inhalation is the most common clinical treatment means, and dry medical oxygen needs to be effectively humidified when used. The existing oxygen humidifying device is generally formed by preassembling humidifying liquid in a disposable bottle-shaped hard container, is difficult to bear the traditional thermal sterilization and has higher cost; the humidifying mode is bubble type water inlet humidifying or surface humidifying, when pathogenic bacteria exist in the humidifying liquid, the bubble type water inlet humidifying mode has great risk, and the surface humidifying mode cannot bring the pathogenic bacteria into oxygen flow; regardless of the humidification mode, the humidification liquid is usually used indoors, the oxygen humidification under the room temperature state, when the oxygen flow is higher than 5L/Min, the humidification effect is remarkably reduced, the RH can not reach more than 60 percent RH, the heating and humidifying capacity of the respiratory tract of an oxygen patient, particularly a severe patient, is reduced due to diseases, dry oxygen can not only damage the airway, but also cause the sputum to be dry, scabbed and difficult to cough out, the sputum scab blocks the airway, the life can be threatened, and the warm and humid oxygen flow providing the individualized demand is required for the development of clinical medicine.

Disclosure of Invention

The utility model aims at providing an oxygen humidifying liquid bag and the automatically controlled oxygen humidifying device that easily preparation and can tolerate the thermal sterilization, the speed and the degree of humidifying temperature change oxygen can with oxygen flow phase-match.

An oxygen humidification fluid bag comprising: the bag body, oral siphon part sealing connection is in the bag body, and oral siphon part is equipped with internal channel and humidifying liquid bag inner chamber intercommunication, and humidifying liquid bag inner chamber is used for holding humidifying liquid, and oral siphon part internal channel is equipped with the humidifying liquid export, still includes the slender humidifying liquid transfer passage that extends to humidifying liquid bag lower part, and humidifying liquid transfer passage upper portion and oral siphon part internal channel intercommunication, humidifying liquid transfer passage have at least one lower part opening, humidifying liquid transfer passage lower part opening and humidifying liquid bag inner chamber intercommunication.

The bag body can be formed by welding two film materials.

The mouth pipe part is hermetically connected to the bag body, namely the mouth pipe part can be a separate part and then is hermetically connected to the upper part or the side part of the bag body; the spout member may also be molded with the pouch.

An implementation mode of a humidifying liquid conveying passage is characterized in that the slender humidifying liquid conveying passage is formed by a slender inner cavity of a slender conveying pipe, an upper opening of the inner cavity of the conveying pipe is communicated with an internal channel of an oral tube component, and a lower opening of the inner cavity of the conveying pipe is communicated with an inner cavity of a humidifying liquid bag.

The other way of realizing the humidifying liquid conveying path is that at least two welding lines are arranged on the humidifying liquid bag body, the welding lines are formed by mutually welding the linear parts of the front film of the bag body and the rear film of the bag body, a slender strip-shaped gap between the welding lines forms the humidifying liquid conveying path, an opening above the strip-shaped gap is communicated with the periphery of an internal channel of the opening pipe component in a sealing manner, an opening below the strip-shaped gap is communicated with an inner cavity of the humidifying liquid bag, and the section of the strip-shaped gap can be circular, oval, lip-shaped and the like.

In use, in order to clearly observe the residual amount of the wetting liquid, the device also comprises a buoy which is sleeved outside the elongated conveying pipe and is provided with a channel, a circumferential gap is reserved between the inner surface of the channel of the buoy and the outer surface of the conveying pipe, the liquid can flow in the circumferential gap, and the buoy can be in a spherical shape, an oval shape, a cylindrical shape and other shapes; the humidifying liquid bag body can be transparent or partially transparent, scale marks for indicating the liquid level of the humidifying liquid are arranged on the humidifying liquid bag body, and the volume of the liquid in the humidifying liquid bag body can be obtained by observing the scale marks corresponding to the buoys.

In order to fully convey the humidifying liquid, a protrusion extending downwards is arranged at the lower part of the humidifying liquid bag body, the protrusion is the lowest position of the bag body when the bag body is used vertically, and an opening at the lower part of the humidifying liquid conveying passage is arranged in the protrusion.

Before use, the humidifying liquid outlet connected with the internal channel of the oral tube part is sealed by a sealing part which is easy to open; the sealing component which is easy to open can be a thin film, an elastic rubber plug and the like which are connected on the upper end face of the oral tube component in a sealing way and are easy to tear or puncture.

An oxygen humidifying device matched with the oxygen humidifying liquid bag comprises a container connected with an oxygen inlet structure and an oxygen outlet structure; part or all of the inner cavity of the container can be used for humidifying oxygen, and the container also comprises a humidifying liquid pump and a humidifying liquid bag connecting structure, wherein humidifying liquid is sucked into the humidifying liquid pump through a humidifying liquid outlet through the connecting structure and then enters the inner cavity of the container through an outlet structure of the humidifying liquid pump; the humidifying liquid pump is positioned in the inner cavity of the container, and the connecting structure butted with the humidifying liquid outlet on the humidifying liquid bag body is arranged at the bottom of the container or at the side part of the container.

For the liquid measure of accurate control humidifying liquid, be convenient for oxygen humidification, still including the liquid level switch part that can be driven by buoyancy that is located the container inner chamber, the liquid level switch part passes through wire connecting device control module, and when the humidifying liquid of container inner chamber reachd and sets for the liquid level, the liquid level switch part can make the humidifying liquid pump stop the pump liquid.

In order to prevent the humidifying liquid in the oxygen humidifying device from flowing back to the oxygen humidifying liquid bag to cause the oxygen humidifying liquid bag to expand and burst, the outlet structure of the humidifying liquid pump is connected with a one-way valve component for preventing the humidifying liquid and/or the oxygen in the inner cavity of the container from flowing back to the humidifying liquid pump, and when the one-way valve component is closed, the liquid cannot flow back to the oxygen humidifying liquid bag; of course, a pressure reducing valve or even a pressure sensor can be arranged in the oxygen humidification device to reduce the pressure possibly applied to the check valve component.

For better and safer humidification, a cup-shaped humidification liquid containing part with an upward opening is arranged in the inner cavity of the container, a depression area at the upper part of the humidification liquid containing part is a humidification liquid containing space, the humidification liquid containing space is in fluid communication with an outlet structure of the pump, a space above the liquid level of the humidification liquid is an oxygen humidification space in which dry oxygen and water vapor are mixed, the part of the inner cavity of the container, which is positioned below the humidification liquid containing part, is an overflow liquid containing space, and the overflow liquid containing space is in fluid communication with the oxygen humidification space; the periphery of the humidifying liquid accommodating part is provided with an opening, and when the container inclines or the humidifying liquid pump works in a failure and continues pumping liquid, the humidifying liquid exceeding the volume of the humidifying liquid accommodating space flows into the overflowing liquid accommodating space from the opening, so that the humidifying liquid is prevented from flowing out from the oxygen outlet structure, and the possible risk that the liquid enters the respiratory tract of a person is eliminated.

In order to facilitate the connection or separation of the oxygen humidification liquid bag and the oxygen humidification device, the humidification liquid outlet of the humidification liquid bag is connected with the connection structure in an easily separated buckling or interference manner.

When a patient humidifies oxygen, the oxygen humidifying device can rotate to influence oxygen inhalation, in order to prevent the oxygen humidifying device from rotating, the oxygen humidifying device also comprises a fixing part, the fixing part is composed of a limiting arm and a fixing arm which are connected into a whole, the internal shape of the limiting arm is matched with the external contour of the container to limit the rotation of the container, and the fixing arm is contacted by a wall surface and/or an equipment belt to limit the rotation.

In order to fully humidify and/or warm the oxygen during high-flow oxygen inhalation, the oxygen inhalation device also comprises a thermal component positioned in the inner cavity of the container, wherein the thermal component promotes the temperature of the humidified liquid or directly vaporizes the humidified liquid, and the thermal component can be a heating wire, a heating pipe, a heating film, a heating sheet, a heating block and the like in various shapes.

In order to improve the vaporization efficiency, a cover body with an upper opening is arranged in the inner cavity of the container, the thermal component is positioned in the inner cavity of the cover body, the lower opening of the cover body is communicated with the humidifying liquid accommodating space of the inner cavity of the container, and the thermal component in a smaller space is easier to improve the temperature of the humidifying liquid in the inner cavity of the cover body or directly vaporize; in order to ensure that the oxygen only contacts with the saturated vapor generated by the heated humidification liquid, the cover plate is arranged in the oxygen humidification space to ensure that only the saturated vapor of the heated humidification liquid can contact with the oxygen.

The heating device further comprises a thermal component control unit positioned on the container, wherein the thermal component control unit adjusts whether the thermal component is started and the heating degree of the humidification liquid after the thermal component is started; the thermal component control unit can be of a knob type, the temperature is adjusted by rotating a knob, and the temperature can also be of a touch screen type, and the temperature is adjusted by clicking the touch screen; the heating power part control unit can also comprise a temperature sensor, one or more temperature sensors can be arranged on the heating power part and can also be arranged in the humidifying liquid accommodating space, and the heating degree of the humidifying liquid can be accurately adjusted according to the feedback value of the temperature sensors.

Another way to control whether the thermal unit is activated and the degree of heating after activation is: the heating power part control unit is arranged on the flow regulator, one end of the flow regulator is connected with an oxygen source, the other end of the flow regulator is structurally connected with an oxygen inlet of the container, the heating power part control unit is coupled with a flow regulating knob of the flow meter, and the flow regulating knob can drive the heating power part control unit to regulate whether the heating power part is started or not and the heating degree of the humidifying liquid after the heating power part is started when the flow of the oxygen is regulated.

Furthermore, a temperature sensor and a humidity sensor are arranged near the position of the oxygen outlet structure, the temperature and the humidity of the oxygen outlet structure are monitored and fed back to the device control module, and the heating temperature is adjusted by adjusting the power of the thermal part.

The utility model has the advantages that: the oxygen humidification liquid bag is made of soft materials, can adopt a thermal sterilization mode, and has lower replacement cost as a consumable material; a humidifying liquid conveying pipeline extending to the bottom is arranged in the humidifying liquid bag, so that the humidifying liquid can be fully utilized; the oxygen humidifying liquid bag is combined with the oxygen humidifying device, so that the operation is convenient; not only can carry out passive surface humidification to oxygen in going into the oxygen humidification device through the humidifying liquid pump with the humidifying liquid pump in the humidifying liquid bag, can also control heating power part heating humidifying liquid initiative release vapor, and heating power part's output is adjustable to realize individualized oxygen humidification, temperature.

Drawings

FIG. 1A: a schematic perspective view of example 1;

FIG. 1B: a cross-sectional view of example 1;

FIG. 1C: a cross-sectional view from one perspective of example 1;

FIG. 2A: a schematic perspective view of example 2;

FIG. 2B: cross-sectional view of example 2;

FIG. 3A: example 3a schematic cut-away view at one angle;

FIG. 3B: a schematic cross-sectional view of example 3;

FIG. 4A: a schematic perspective view of example 4;

FIG. 4B: cross-sectional view of example 4;

FIG. 5A: a schematic perspective view of example 5;

FIG. 5B: example 5 is a sectional view showing the internal structure of an oxygen humidification device;

FIG. 5C: embodiment 5 is a sectional view showing an open state of a check valve member;

FIG. 5D: embodiment 5 is a sectional view showing a closed state of a check valve member;

FIG. 5E: a cross-sectional view of embodiment 5 showing a specific structure of the snap connection;

FIG. 5F: schematic of example 5;

FIG. 6A: an angled cross-sectional view of example 6;

FIG. 6B: a cross-sectional view at another angle of example 6;

FIG. 7A: a cross-sectional view of one embodiment of example 7;

FIG. 7B: a cross-sectional view of another embodiment of example 7;

FIG. 8: a schematic of example 8;

FIG. 9: schematic of example 9.

In the figure: 0. humidifying liquid; 00. wetting the liquid level; 1. an oxygen humidification liquid bag; 10. humidifying the inner cavity of the liquid bag; 11. a bag body; 111. the upper part of the bag body; 111a membrane material welding part; 112. the lower part of the bag body; 1120. a protrusion; 11a. front film; 11b. a rear membrane; 113. a membrane material welding area; 12. an orifice tube member; 120. an internal passageway; 121. a boss; 1201. a humidifying liquid outlet; 13. a wetting fluid delivery path; 13a, a delivery pipe; 130a, conveying pipe inner cavity; 131a. upper opening; 132a. lower opening; 133a lower bottom end; 134a, lateral opening; 13b. a weld line; 130b, strip gaps; 131b, an upper opening; 132b. lower opening; 2. an oxygen humidifying device; 20, a container; 20a, an upper shell; 20b. a lower housing; 200. a container inner cavity; 201. an oxygen humidification space; 2010. a cover plate; 202. a wetting fluid containing space; 203. a spill containment space; 21. an oxygen inlet structure; 210. an oxygen inlet; 22. an oxygen outlet structure; an oxygen outlet; 23. a connecting structure; 24. a container top; 25. a container bottom; 26. a container side portion; 27. a cover body; 270. an inner cavity of the cover body; 271. an upper opening; 272. a lower opening; 3. a flow regulator; 4. an oxygen delivery line; 31. a flow adjustment knob; 32. a knob connecting column; 33. a drive rod; B. a device belt; ba, sphere; C. a control unit; CL. a connecting band; C0. a resistor body; c1, left soldering lug; C2. a sliding end; C3. a right side bonding pad; F. a fixing member; F1. a limiting arm; F2. a fixed arm; FL. a float; FL1. inner surface; G. a void; H. a thermal component; H1. a heating body; HC. a wetting fluid containment member; hc0. opening; HC1, a guide post; hc10, guide post distal end; K. a liquid level switch component; l. scale mark; LL. power supply lines; and (3) LP: a first conductive line; LK: a second conductive line; LH: a third conductive line; m. a device control module; m1, a wire interface; p. a wetting liquid pump; p1, pump outlet structure; PP. power plug; s, sealing the component; t. a sensor; v. one-way valve member.

Detailed Description

Example 1:

as shown in fig. 1A, 1B and 1C, the oxygen humidification fluid bag of the present invention comprises a bag body 11 and a mouth tube component 12, wherein the bag body can be formed by folding, welding and then cutting two transparent medical film materials such as PP, PA, etc. or a film material, the periphery of the bag body 11 can also be an opaque or frosted surface, fig. 1B shows a film material welding area 113, and the mouth tube component 12 is sealed and welded with the bag body at the same time; fig. 1C shows the film material welding portion 111a of the pouch upper portion 111; or the mouth tube part 12 and the bag body mould blank are molded by one-time injection and then blow molded to form a bag body (not shown); the oral tube part 12 is partially connected to the upper part 111 of the bag body in a sealing manner, and partially extends out of the upper part 111 of the bag body, the internal channel 120 of the oral tube part is communicated with the internal cavity 10 of the humidification liquid bag, the internal cavity 10 of the humidification liquid bag is used for containing humidification liquid 0, the internal channel 120 of the oral tube part is provided with a humidification liquid outlet 1201, and further comprises a slender humidification liquid conveying passage 13 extending to the lower part 112 of the humidification liquid bag body, in the embodiment, the humidification liquid conveying passage 13 is formed by a slender conveying pipe internal cavity 130a of a slender conveying pipe 13a, an upper opening 131a of the conveying pipe internal cavity 130a is communicated with the internal channel 120 of the oral tube part, and a lower opening 132a of the conveying pipe internal cavity 130a is communicated with the internal cavity 10 of the humidification liquid bag; in order to more clearly see the amount of the humidification liquid 0, as shown in fig. 1B, a float FL with a channel is sleeved outside the elongated conveying pipe 13a, the specific gravity of the float FL is lower than that of the humidification liquid 0, and a circumferential gap G is left between the inner surface FL1 of the channel of the float FL and the outer surface of the conveying pipe 13a so that the float can move up and down along with the liquid level 00 of the humidification liquid; in order to prevent the humidifying liquid 0 from flowing out of the oxygen humidifying liquid bag, a humidifying liquid outlet 1201 connected with the internal channel 120 of the oral tube part is sealed by an easily opened sealing part S, and the sealing part S can be a PE film or an aluminum foil film which is easy to tear or puncture, or an elastic rubber plug and the like; the oxygen humidification liquid bag 1 realized according to the mode can fully sterilize humidification liquid by adopting the same thermal sterilization mode as a venous transfusion soft bag, no bacteriostatic substance can be added in the humidification liquid, purified water can be used as humidification liquid 0, and the manufacturing cost of the oxygen humidification liquid bag 1 with the film material thickness of about 100 mu m is greatly reduced compared with the existing humidification liquid bottle with the wall thickness of about 1mm generally.

The humidification fluid 0 is sucked into a corresponding oxygen humidification device (not shown) along the direction indicated by the arrow in fig. 1B, and the oxygen humidification fluid bag 1 is deformed inwards under the action of atmospheric pressure along with the reduction of the humidification fluid 0.

The buoy FL can be driven by the buoyancy of the humidification liquid, and can move up and down along with the liquid level when the liquid level in the humidification liquid bag body 11 changes; the humidifying liquid bag body 11 is preferably transparent or semitransparent, scale marks L for indicating the liquid level of the humidifying liquid 0 are printed on the humidifying liquid bag body 11, and the volume of the humidifying liquid in the humidifying liquid bag body can be obtained by observing the scale marks L corresponding to the buoys FL.

Example 2:

as shown in fig. 2A and 2B, in order to make the wetting liquid 0 fully utilized as much as possible, the lower portion 112 of the wetting liquid bag body is provided with a protrusion 1120 extending downward, the protrusion 1120 is the lowest position of the bag body 11 when vertically used, the wetting liquid conveying path, i.e., the lower opening 132A of the elongated conveying pipe inner cavity 130a of the elongated conveying pipe 13a, is opened in the protrusion 1120, and the curved arrow in fig. 2B indicates the flowing direction of the wetting liquid.

Example 3:

as shown in fig. 3A and 3B, this embodiment shows a structure of an oxygen humidification fluid bag 1, in which a bag body 11 is formed by welding the peripheries of a bag body front film 11a and a bag body rear film 11B, and the periphery is a film material welding area 113; two welding lines 13b are arranged on the bag body 11, the welding lines 13b are formed by mutually welding the linear parts of the front film 11a of the bag body 11 and the back film 11b of the bag body 11, strip-shaped gaps 130b with elliptic sections among the welding lines 13b form a wetting liquid conveying passage 13, the upper openings 131b of the strip-shaped gaps 130b are communicated with the periphery of the internal channel 120 of the oral tube part in a sealing way, and the lower openings 132b are communicated with the inner cavity 10 of the wetting liquid bag; during manufacturing, a metal bar (not shown) can be placed in the front film 11a of the bag body 11 and the back film 11b of the bag body 11, and the metal bar is taken out after welding is completed so as to ensure the shape of the strip-shaped gap 130 b; the arrows in fig. 3B indicate the direction of the flow of the wetting fluid.

Example 4:

as shown in fig. 4A and 4B, the wetting fluid transportation path 13 is formed by an elongated transportation tube inner cavity 130a of an elongated transportation tube 13a, an upper opening 131a of the transportation tube inner cavity is communicated with the internal channel 120 of the oral tube component, a lower bottom end 133a of the transportation tube inner cavity is a blunt blind end, a lateral opening 134A is arranged at a position close to the lower bottom end 133a, the lateral opening 134A is communicated with the wetting fluid bag inner cavity 10, the blunt blind end of the transportation tube 13a cannot puncture the bag body 11 when a user takes the oxygen wetting fluid bag 1 or performs misoperation, and the lateral opening 134A can ensure that the wetting fluid 0 can smoothly enter the transportation tube inner cavity 130 a; the arrows in fig. 4B indicate the direction of the flow of the wetting fluid.

Example 5:

as shown in fig. 5A-5F, an oxygen humidification device 2 used with the above oxygen humidification fluid bag 1 comprises a container 20 connected with an oxygen inlet structure 21 and an oxygen outlet structure 22, wherein the oxygen inlet structure 21 is located above a top 24 of the container and provided with an oxygen inlet 210; the oxygen outlet structure 22 is positioned on the side surface of the container top 24, and is provided with an oxygen outlet 220; the container 20 is formed by hermetically connecting an upper shell 20a and a lower shell 20b, and the shells of the container can be molded by medical resin such as PP, PC, ABS and the like or processed by metal materials such as aluminum alloy and the like; a part of the container inner cavity 200 can be used for oxygen humidification, the container inner cavity 200 further comprises a humidification liquid pump P, and the bottom 25 of the container is further provided with a connecting structure 23 in butt joint with the humidification liquid bag body 11; humidifying liquid 0 (not shown) in the humidifying liquid bag body 11 is sucked into a humidifying liquid pump P (shown in figure 5E) through a humidifying liquid outlet 1201 through a connecting structure 23, and then enters a container inner cavity 200 (shown in figure 5C) through an pump outlet structure P1 of the humidifying liquid pump P, the humidifying liquid pump P is positioned in the container inner cavity 200, the humidifying liquid pump P is connected with a device control module M through a first lead LP, and the device control module M can start or stop the humidifying liquid pump P and adjust the pump speed of the humidifying liquid pump P through input components (not shown) such as keys, a touch screen and the like; the connecting structure 23 butted with the humidifying liquid outlet 1201 on the humidifying liquid bag body 11 is arranged at the bottom 25 of the container; as shown in fig. 5D, the container inner cavity 200 is provided with a cup-shaped humidification fluid accommodating component HC with an upward opening, a concave region at the upper part of the humidification fluid accommodating component HC is a humidification fluid accommodating space 202, the humidification fluid accommodating space 202 is in fluid communication with the pump outlet structure P1, a space above the humidification fluid liquid level 00 is an oxygen humidification space 201 in which dry oxygen and water vapor are mixed, a container inner cavity part below the humidification fluid accommodating component HC is an overflow accommodating space 203, and the overflow accommodating space 203 is in fluid communication with the oxygen humidification space 201; as shown in fig. 5A, the power line LL of the device control module M is connected to the socket power supply of the equipment belt B via the power plug PP; the wetting liquid pump P of the present embodiment is located in the overflow accommodating space 203.

When using this device, humidifying liquid 0 pump in the humidifying liquid bag body 11 of humidifying liquid pump P goes into the humidifying liquid accommodation space 202 of container inner chamber 200, and dry oxygen enters into oxygen humidifying space 201 through oxygen entry structure 21, mixes the humidification with the saturated vapor of humidifying liquid top, flows into oxygen conveying pipeline 4 through oxygen outlet structure 22 after the humidification, finally gets into in patient's the respiratory track.

In order to prevent the humidification liquid level 00 from increasing due to the fact that the container 20 is inclined or the humidification liquid pump P is continuously pumped due to work failure, the risk that humidification liquid 0 enters the oxygen conveying pipeline 4 and finally possibly enters the respiratory tract of a person is thoroughly eliminated; as shown in fig. 5D, the humidification fluid containing part HC has a plurality of openings HC0 around the periphery thereof, so that the excessive humidification fluid 0 that accidentally enters directly flows into the overflow containing space 203 from the opening HC0, thereby preventing the humidification fluid 0 from flowing out of the oxygen outlet structure 22, and the volume of the overflow containing space 203 is preferably designed to be larger than or close to the humidification fluid volume of the oxygen humidification fluid bag.

In order to accurately control the amount of the humidification liquid entering the humidification liquid containing space 202 and facilitate accurate humidification of dry oxygen, a liquid level switch part K which can be driven by buoyancy is arranged in the container inner cavity 200 and is connected with the device control module M through a second lead LK, when the humidification liquid 0 in the container inner cavity 200 reaches a set liquid level, the liquid level switch part K transmits a signal to the device control module M, and the device control module M outputs an instruction to enable the humidification liquid pump P to stop pumping the liquid; the liquid level switch part K can be a float switch contacted with the wetting liquid 0 or a non-contact liquid level switch positioned on the outer wall of the container 20.

When the oxygen conveying pipeline 4 is accidentally folded and pressed when in use, the pressure in the oxygen source can act on the humidifying liquid 0, in order to prevent the humidifying liquid 0 in the oxygen humidifying device 2 from flowing back to the oxygen humidifying liquid bag 1 to cause the oxygen humidifying liquid bag to expand and break, the pump outlet structure P1 of the humidifying liquid pump P is connected with a one-way valve component V for preventing the humidifying liquid 0 in the container inner cavity 200 and/or the oxygen from flowing back to the humidifying liquid pump P, when the output of the oxygen is blocked to increase the fluid pressure in the container inner cavity 200, the one-way valve component V is pressed to move downwards to plug the pump outlet structure P1, so that the humidifying liquid 0 cannot flow back into the oxygen humidifying liquid bag 11; fig. 5C shows a state where the check valve member V is opened, and fig. 5D shows a state where the check valve member V is closed; in the embodiment, the one-way valve component V is provided with a through hole penetrating through the guide post HC1, the guide post HC1 is connected with the bottom of the humidifying liquid containing component HC into a whole, and the far end HC10 of the guide post expands to ensure that the one-way valve component V can only move up and down; the arrows in fig. 5C indicate the direction of flow of the wetting fluid; the arrows in fig. 5D indicate the oxygen flow direction.

As shown in fig. 5E, in order to facilitate the rapid connection or separation of the oxygen humidification liquid bag 1 and the oxygen humidification device 2, the port tube component 12 on the humidification liquid bag body 11 is connected with the connection structure 23 by a buckle or interference which is easy to separate, when the oxygen humidification liquid bag 1 needs to be butted with the oxygen humidification device 2, an operator inserts the port tube component 12 into the tube cavity of the connection structure 23 with slight force, and the small movable stroke of the sphere BA in the connection structure 23 blocks the boss 121 of the port tube component 12 so that the port tube component cannot move down; when the pipe is taken off, the ball BA is pulled by force, the ball BA moves outwards, the mouth pipe part 12 is separated from the connecting structure 23, and the arrow indicates the direction of the force when the pipe is connected.

In order to prevent the oxygen humidification device from rotating, as shown in fig. 5F, the oxygen humidification device further comprises a fixing component F, the fixing component F is composed of a limiting arm F1 and a fixing arm F2 which are connected into a whole, the inner shape of the limiting arm F1 conforms to the outer contour of the container 20 to limit the rotation of the container 20, the fixing arm F2 contacts with a wall surface (not shown) and/or an equipment belt B to limit the rotation of the container, and the device control module is connected to the outer wall of the container 20 and is connected with wires of an electric module such as a humidification liquid pump through a wire connector M1.

Alternatively to this embodiment, the connecting structure 23 of the oxygen humidification device 2 may be located on the container side 26; the wetting liquid pump P may also be located outside the container 20.

Example 6:

as shown in fig. 6A and 6B, the most different from the above embodiment is that the present invention further includes a spiral thermal element H located in the container inner cavity 200, the thermal element H is connected to the device control module M through a third lead LH, when the wetting liquid 0 (not shown) in the container inner cavity 200 reaches a set liquid level, the liquid level switch element K can stop the wetting liquid pump P from pumping, and the thermal element H raises or directly vaporizes the temperature of the wetting liquid, so as to achieve better effects of wetting and warming oxygen; the oxygen humidification in a non-heating mode can absorb peripheral heat due to vaporization heat of liquid water phase change, but can reduce the temperature of the oxygen, and the low-temperature oxygen is not beneficial to patients.

In order to facilitate the adjustment of the heating degree of the humidification liquid, the heating device also comprises a heating power part H control unit C which is positioned on the top part 24 of the container, and the knob-shaped heating power part H control unit C can adjust whether the heating power part H is started and the heating degree of the humidification liquid after the heating power part H is started; the control unit C is in circuit connection with the device control module M and can be specifically connected into the device control module M through a conducting wire in a connecting belt CL; the knob-shaped control unit C can also be replaced by a touch screen; the control unit C of the thermal part H may further include a temperature sensor (not shown), one or more temperature sensors may be disposed on the thermal part, or may be disposed in the humidification fluid accommodating space 202, the heating degree of the humidification fluid is precisely adjusted according to the feedback value of the temperature sensor, and the heating may be stopped when the temperature reaches a set value.

Example 7:

as shown in fig. 7A, different from the heating method of embodiment 6, the container inner cavity 200 is provided with a cylindrical cover 27, the thermal element located in the cover inner cavity 270 is a cylindrical heating body H1, the heating body H1 is connected with the device control module M through a third lead LH, the cover inner cavity is provided with an upper opening 271 and a lower opening 272, the upper opening 271 is communicated with the oxygen humidification space 201, the lower opening 272 is communicated with the humidification liquid accommodation space 202, the cover 27 is preferably made of heat-insulating and heat-resistant material such as steatite porcelain, so that the heat generated by the heating body H1 is used as much as possible for the humidification liquid heating the cover inner cavity 270, the water vapor thus generated enters the oxygen humidification space 201 through the cover upper opening 271, because the volume of the cover inner cavity 270 is significantly smaller than that of the humidification liquid containing space 202, the humidification liquid in the cover inner cavity is easier to raise the temperature and even boil, and the humidification efficiency is higher.

As shown in fig. 7B, a cover plate 2010 is disposed inside the oxygen humidification space 201, and the cover plate 2010 conforms to the inner contour of the humidification liquid containing member HC, so that the dry oxygen is only in contact with water vapor which is as saturated as possible, and the arrows in fig. 7A and 7B indicate the flow direction of the humidification liquid.

Example 8:

as shown in fig. 8, the most difference from the previous embodiment is that a sensor T for monitoring temperature and humidity is disposed near the oxygen outlet structure 22 of the container 20, and a signal acquired by the temperature and humidity sensor T is connected to the device control module M, and then the device control module M adjusts the thermal component to realize accurate adjustment of oxygen humidification and temperature change; a temperature and humidity display screen can be arranged at the top 24 or the side 26 of the container, etc. to facilitate observation by medical staff (not shown); temperature or humidity sensors may also be provided in the vessel interior 200 or the oxygen delivery line 4 to monitor temperature or humidity.

Example 9:

as shown in fig. 9, the most difference from the previous embodiment is that it further includes a flow regulator 3, one end of the flow regulator 3 is connected to the oxygen source, and the other end is connected to the oxygen inlet structure of the container, the thermal component control unit C is coupled to a flow regulating knob 31 of the flow regulator 3, and the flow regulating knob 31 can drive the thermal component control unit C when regulating the oxygen flow, so as to synchronously turn on the thermal component and regulate the power of the thermal component; the example shows that the thermal component control unit C is a rotary potentiometer structure, the rotary potentiometer structure is arranged on the outer side surface of a knob connecting column 32 on the flow regulator 3 and is opposite to the inner side surface of the flow regulating knob 31, the rotary potentiometer comprises an arc-shaped sheet resistor C0, a left soldering lug C1, a right soldering lug C3 and a sliding end C2, the resistance value between the left soldering lug C1 and the right soldering lug C3 is the total resistance value of the rotary potentiometer, and the sliding end C2 is sleeved on a driving rod 33 extending out of the flow regulating knob 31; when the flow adjusting knob 31 is rotated, the driving rod 33 rotates along with the rotation, and the rotary potentiometer sliding end C2 sleeved on the driving rod is driven to rotate, so that whether the thermal part operates and the power after the thermal part operates is controlled by adjusting the output resistance value, and the function of synchronously improving the temperature of the humidification liquid along with the increase of the oxygen flow is realized.

Certainly, the humidifying liquid accommodating space can also be provided with a temperature sensor, and the work of the heating power part is fed back and adjusted according to the monitored temperature of the humidifying liquid; the container can also be provided with a passive or active gas pressure reducing valve and a pressure sensor, so that the phenomenon that the pressure of the oxygen conveying pipeline is too high in the inner cavity of the container due to the fact that the oxygen conveying pipeline is pressed is avoided.

The device control module M of the invention can load corresponding electronic communication elements, is connected with the mobile terminal through network or Bluetooth and the like, and observes and operates the operation of the relevant functions in the oxygen humidification device 2 on the display interface of the mobile terminal.

Claims (19)

1. An oxygen humidification fluid bag comprising: the bag body (11), oral siphon part (12) sealing connection in the bag body (11), oral siphon part (12) are equipped with internal channel (120) and humidifying liquid bag inner chamber (10) intercommunication, and humidifying liquid bag inner chamber (10) are used for holding humidifying liquid (0), and oral siphon part internal channel (120) are equipped with humidifying liquid outlet (1201), its characterized in that: the humidifying fluid bag is characterized by further comprising a slender humidifying fluid conveying passage (13) extending to the lower portion (112) of the humidifying fluid bag body, the upper portion of the humidifying fluid conveying passage (13) is communicated with the internal channel (120) of the oral tube component, the humidifying fluid conveying passage (13) is provided with at least one lower opening, and the lower opening of the humidifying fluid conveying passage is communicated with the inner cavity (10) of the humidifying fluid bag.

2. The oxygen humidification fluid bag of claim 1, wherein: the humidifying device also comprises an elongated conveying pipe (13a), wherein an inner cavity (130a) of the elongated conveying pipe forms a humidifying liquid conveying passage (13), an upper opening (131a) of the inner cavity (130a) of the conveying pipe is communicated with the inner channel (120) of the opening pipe part, and a lower opening (132a) of the inner cavity (130a) of the conveying pipe is communicated with the inner cavity (10) of the humidifying liquid bag.

3. The oxygen humidification fluid bag of claim 1, wherein: at least two welding lines (13b) are arranged on the wetting liquid bag body (11), the welding lines (13b) are formed by mutually welding the linear parts of the front film (11a) of the bag body (11) and the back film (11b) of the bag body (11), a wetting liquid conveying passage (13) is formed by slender strip-shaped gaps (130b) between the welding lines (13b), an opening (131b) above the strip-shaped gaps (130b) is communicated with the periphery of the internal channel (120) of the oral siphon component in a sealing manner, and an opening (132b) below the strip-shaped gaps (130b) is communicated with the inner cavity (10) of the wetting liquid bag.

4. The oxygen humidification fluid bag of claim 2, wherein: and the buoy is sleeved outside the elongated conveying pipe (13a) and provided with a channel, and a circumferential gap (G) is reserved between the inner surface (FL1) of the channel of the buoy and the outer surface of the conveying pipe (13 a).

5. The oxygen humidification fluid bag of claim 1, wherein: the humidifying liquid bag body (11) is transparent or partially transparent, and scale marks (L) for indicating the liquid level of the humidifying liquid (0) are arranged on the humidifying liquid bag body (11).

6. The oxygen humidification fluid bag of claim 1, wherein: the lower part (112) of the wetting liquid bag body is provided with a protrusion part (1120) extending downwards, the protrusion part (1120) is the lowest position of the bag body (11) when the wetting liquid bag is used vertically, and the lower opening of the wetting liquid conveying passage is arranged in the protrusion part (1120).

7. The oxygen humidification fluid bag of claim 1, wherein: the wetting fluid outlet (1201) connected to the internal passage (120) of the oral canal member is closed by an easily openable sealing member (S).

8. An oxygen humidification device for use with the oxygen humidification fluid bag of any one of claims 1 to 7, comprising a container (20) having an oxygen inlet structure (21) and an oxygen outlet structure (22), a part or all of the container interior (200) being usable for oxygen humidification, characterized in that: still include humidifying liquid pump (P) and oxygen humidifying liquid bag (1) connection structure (23), humidifying liquid (0) are passed through connection structure (23) through humidifying liquid export (1201) and are inhaled in humidifying liquid pump (P), get into container inner chamber (200) through pump outlet structure (P1) of humidifying liquid pump (P) again.

9. The oxygen humidification device of claim 8, wherein: the humidifying liquid pump (P) is positioned in the inner cavity (200) of the container, and a connecting structure (23) which is in butt joint with a humidifying liquid outlet (1201) on the humidifying liquid bag body (11) is arranged at the bottom (25) of the container or the side (26) of the container.

10. The oxygen humidification device of claim 8, wherein: the humidifying liquid pump also comprises a liquid level switch component (K) which is positioned in the container inner cavity (200) and can be driven by buoyancy, and when the humidifying liquid (0) in the container inner cavity (200) reaches a set liquid level, the liquid level switch component (K) can enable the humidifying liquid pump (P) to stop pumping.

11. The oxygen humidification device of claim 8, wherein: the humidifying liquid pump also comprises a liquid level switch part (K) and a heating power part (H) which are positioned in the inner cavity (200) of the container, and when the humidifying liquid (0) in the inner cavity (200) of the container reaches a set liquid level, the liquid level switch part (K) can enable the humidifying liquid pump (P) to stop pumping liquid; the heating power part (H) raises the temperature of the humidifying liquid (0) or directly vaporizes the humidifying liquid.

12. The oxygen humidification device of claim 8, wherein: the pump outlet structure (P1) of the humidification liquid pump (P) is connected with a one-way valve component (V) which prevents the humidification liquid (0) of the container inner cavity (200) and/or the oxygen from flowing back to the humidification liquid pump (P).

13. The oxygen humidification device of claim 8, wherein: container inner chamber (200) are equipped with opening cupped humidifying liquid accommodation component (HC) up, the depressed area on humidifying liquid accommodation component (HC) upper portion is humidifying liquid accommodation space (202), humidifying liquid accommodation space (202) and pump outlet structure (P1) fluid intercommunication, the top space of humidifying liquid level (00) is oxygen humidifying space (201) that dry oxygen and vapor mix, the container inner chamber part of humidifying liquid accommodation component (HC) below is overflow accommodation space (203), overflow accommodation space (203) and oxygen humidifying space (201) fluid intercommunication.

14. The oxygen humidification device of claim 8, wherein: the connecting structure (23) is connected with the mouth pipe part (12) of the oxygen humidification liquid bag (1) in a buckling or interference mode, and the mouth pipe part is easy to separate.

15. The oxygen humidification device of claim 11, wherein: the humidifying device also comprises a heating power part (H) control unit (C) which is positioned on the container (20), and the heating power part (H) control unit (C) adjusts whether the heating power part (H) is started or not and the heating degree of the humidifying liquid after the heating power part (H) is started.

16. The oxygen humidification device of claim 11, wherein: the humidifying device is characterized by further comprising a flow regulator (3) and a heating power part (H) control unit (C), one end of the flow regulator (3) is connected with an oxygen source, the other end of the flow regulator is connected with an oxygen inlet structure (21) of the container, the heating power part (H) control unit (C) is coupled with a flow regulating knob (31) of the flow regulator (3), and the flow regulating knob (31) can drive the heating power part (H) control unit (C) to regulate whether the heating power part (H) is started or not and the heating degree of the humidifying liquid after the heating power part (H) is started when the oxygen flow is regulated.

17. The oxygen humidification device of claim 11, wherein: the container inner cavity (200) is provided with a cover body (27) with an upper opening (271), the thermal component (H) is positioned in the cover body inner cavity (270), the cover body lower opening (272) is communicated with the humidifying liquid accommodating space (202) of the container inner cavity (200), and the thermal component (H) can be used for increasing the temperature of humidifying liquid (0) in the cover body inner cavity (270) or directly vaporizing the humidifying liquid.

18. The oxygen humidification device of claim 8, wherein: a temperature or humidity sensor (T) is arranged in the inner cavity (200) of the container or the oxygen conveying pipeline (4).

19. The oxygen humidification device of claim 8, wherein: the container is characterized by further comprising a fixing part (F), wherein the fixing part (F) is composed of a limiting arm (F1) and a fixing arm (F2) which are connected into a whole, the limiting arm (F1) limits the rotation of the container (20), and the fixing arm (F2) is limited by a wall surface and/or an equipment belt (B) to rotate.

Images