CN213220180U

CN213220180U - Breathing machine with humidification function

Info

Publication number: CN213220180U
Application number: CN202020964118.7U
Authority: CN
Inventors: 张小燕
Original assignee: Shanghai Qiyi Medical Technology Co ltd
Current assignee: Shanghai Qiyi Medical Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-05-18
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a breathing machine with humidification function, including the breathing machine body and can dismantle fixed connection's humidifier with the breathing machine body, this internal fan and the vent pipe of being provided with of breathing machine is provided with the air inlet that communicates in saying with the vent pipe on the lateral wall on the breathing machine body, and the one end that the air inlet was kept away from to the vent pipe communicates with the air intake of fan, and fixedly connected with filter equipment can be dismantled in air inlet department. Be provided with the piece of ventilating between the air outlet of fan and the humidifier, the humidifier includes casing, water tank, hot plate and sealed lid, and the water tank sets up in the casing with the hot plate, and the hot plate is fixed in the bottom of water tank and is heated the water tank, and sealed lid setting is kept away from one side of hot plate and can be dismantled sealing connection with the casing at the water tank, and sealed covering is provided with the outlet duct that communicates with the water tank, and the water tank passes through the air outlet intercommunication of piece of ventilating and fan. The secondary respiratory tract infection of the patient with mechanical ventilation can be prevented and reduced by good heating and humidification.

Description

Breathing machine with humidification function

Technical Field

The utility model belongs to the technical field of the medical equipment technique and specifically relates to a breathing machine with humidification function is related to.

Background

The respirator is used for emergency rescue and auxiliary breathing equipment of critical patients, and is characterized by that it utilizes the respirator to raise air pressure, and utilizes the pipeline to connect with respiratory tract intubation of patient, and the air can be passed through airway and bronchus, and can be directly flowed into alveolus.

Among the prior art, chinese patent as publication number CN202859834U discloses a breathing machine, including motor, circular disk, down tube, horizontal pole, sleeve pipe, activity hammer, air pocket, cover case, be equipped with main runner on the motor, main runner is connected with the circular disk that can rotate around the center through the belt, it has the down tube to articulate on the circular disk, the other end of down tube articulates there is the horizontal pole, the horizontal pole is established in the sleeve pipe, the other end of horizontal pole is equipped with the activity hammer, the activity hammer is established in the sleeve pipe, the front portion of activity hammer is equipped with the air pocket, the air pocket is established in the cover case, be equipped with the switch on the motor.

The above prior art solutions have the following drawbacks: the breathing machine does not have the function of humidifying gas, and when the breathing machine is used, dry gas enters the respiratory tract of a mechanically ventilated patient through the breathing machine and easily carries external dust to cause infection to the respiratory tract. And when the patient uses the breathing machine, the consumption of heat and respiratory tract moisture is increased, so that the respiratory tract of the patient easily generates phlegm scab, the viscosity of secretion is improved, and the sputum excretion of the patient is not facilitated. Therefore, a ventilator with a humidifying function is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a breathing machine with humidification function, have and heat, the humidification to the inhaled gas for thereby patient's air flue is difficult for producing phlegm scab, reducing secretion viscosity and promoting the effect of sputum excretion.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a breathing machine with a humidifying function comprises a breathing machine body and a humidifier detachably and fixedly connected with the breathing machine body, wherein a fan and an air duct are arranged in the breathing machine body, an air inlet communicated with the inside of the air duct is formed in the side wall of the breathing machine body, one end, far away from the air inlet, of the air duct is communicated with an air inlet of the fan, and a filtering device is detachably and fixedly connected to the air inlet;

the air outlet of fan with be provided with the piece of ventilating between the humidifier, the humidifier includes casing, water tank, hot plate and sealed lid, the water tank with the hot plate sets up in the casing, the hot plate is fixed the bottom of water tank is right the water tank heats, sealed lid sets up the water tank is kept away from one side of hot plate and with sealing connection can be dismantled to the casing, be provided with on the sealed lid with the outlet duct of water tank intercommunication, the water tank passes through the piece of ventilating with the air outlet intercommunication of fan.

Through above-mentioned technical scheme, before using the breathing machine, open sealed lid and add appropriate amount sterile water in the water tank, then close sealed lid and heat the water tank with the hot plate circular telegram. And opening the fan, and allowing outside air to enter the fan after passing through the filtering device and the air pipeline. The filtering device can filter the gas entering the respirator to a certain extent, and reduces the generation of impurities. Under the action of rotation of the fan, gas enters the water tank in the humidifier through the air inlet piece, and meanwhile, the temperature of sterile water in the water tank rises to generate humidified airflow, and the humidified airflow and the gas are fully mixed and then enter the respiratory tract of a patient through the air outlet pipe. The good heating and humidification can prevent and reduce the secondary infection of the respiratory tract of the patient with mechanical ventilation, stimulate the heart-lung system and keep the alveoli moist. Meanwhile, the consumption of heat and respiratory tract water can be reduced, so that the air passage is not easy to generate phlegm scab, the viscosity of secretion can be reduced, and the sputum excretion is promoted.

The present invention may be further configured in a preferred embodiment as: the ventilating piece comprises an airflow cap, a damping ring and a sealing ring, an airflow hole communicated with the water tank is formed in the machine shell, the sealing ring is installed on the airflow hole, a through hole matched with the airflow hole is formed in one side of the airflow cap, and the damping ring is installed on the machine shell and is arranged on one side of the airflow hole;

the part of the airflow cap provided with the through hole is tightly and elastically sealed in the sealing ring, one side of the airflow cap, which is far away from the through hole, is tightly and elastically abutted in the damping ring, and the opening of the airflow cap is connected with the air outlet of the fan.

Through above-mentioned technical scheme, the gaseous flow direction that changes gas in the air current cap is gone into by the gas that the fan produced to the velocity of flow that has reduced gas to a certain extent, makes the gas that gets into in the water tank can with the abundant mixture of humidifying air current, has guaranteed the patient and has inhaled gaseous wettability. The damping ring absorbs the vibration caused by the rotation of the fan, the installation stability of the airflow cap is improved, the sealing ring increases the tightness of the communication between the humidifier and the respirator body, and the smoothness of the air path is ensured.

The present invention may be further configured in a preferred embodiment as: the respirator is characterized in that four corners of one side of the airflow hole are respectively and fixedly connected with guide posts, and the outer side wall of the respirator body is provided with a plurality of guide grooves for the guide posts to slide and be embedded.

Through above-mentioned technical scheme, when installing the humidifier on the breathing machine body, the guide post is inserted and is established in the guide way, and the difficult phenomenon that takes place the offset of humidifier and breathing machine body has improved the steadiness of installation simultaneously for the assembly of the breathing machine of being convenient for on the one hand.

The present invention may be further configured in a preferred embodiment as: the outer side wall of the casing is fixedly connected with a plurality of hanging buckles which are arranged on one side of the guide post,

the outer side wall of the respirator body is provided with a plurality of clamping grooves for clamping the hanging buckle.

Through above-mentioned technical scheme, establish a plurality of buckles of hanging the card in the draw-in groove that corresponds, realized the fixed of humidifier on the breathing machine body, improved the stability of connecting, convenient to detach simultaneously.

The present invention may be further configured in a preferred embodiment as: the inner side wall of the water tank is fixedly connected with an anti-backflow pipe communicated with the airflow hole, and the anti-backflow pipe is far away from the bottom of the water tank.

Through above-mentioned technical scheme, set up on the inside wall of water tank and prevent the counterflow pipe, avoided in comdenstion water and aseptic water reflux enter the fan on the one hand, on the other hand has guaranteed that the gas that the fan produced can stably get into and carry out the humidifying effect in the water tank. And the anti-reflux pipe is arranged far away from the bottom of the water tank, so that more sterile water can be added into the water tank, water does not need to be added into the humidifier for many times, and the working efficiency is improved.

The present invention may be further configured in a preferred embodiment as: two layers of filter screens are fixed in the anti-reflux pipe, and activated carbon sponge is arranged between the two layers of filter screens.

Through above-mentioned technical scheme, by the gaseous behind filter screen and the active carbon sponge of process that the fan produced, impurity and dust can be filtered out by the active carbon sponge, have realized gaseous secondary filter, have improved the purity rate that the patient inhales gas, have increased the security.

The present invention may be further configured in a preferred embodiment as: the bottom of the water tank is fixedly connected with a heat-conducting plate, and when the water tank is inserted and fixed in the humidifier, the heat-conducting plate and the heating plate are mutually attached.

Through above-mentioned technical scheme, the heating plate produces the heat after the circular telegram, and the heat conduction makes its temperature rise at the heat-conducting plate to be convenient for heat the sterile water of water tank inside, make the gas mixture that the production humidifying air current that sterile water can be quick and the breathing machine produced.

The present invention may be further configured in a preferred embodiment as: the one end fixedly connected with sealing washer of bottom is kept away from to the water tank, sealed lid with sealing washer can dismantle sealing connection.

Through above-mentioned technical scheme, the sealing washer adopts ultrasonic bonding's mode to fix on the water tank, when sealed lid on the humidifier is closed, has improved the leakproofness of water tank.

To sum up, the utility model discloses a following at least one useful technological effect:

1. before the respirator is used, a proper amount of sterile water is added into the water tank by opening the sealing cover, then the sealing cover is closed, and the heating plate is electrified to heat the water tank. And opening the fan, and allowing outside air to enter the fan after passing through the filtering device and the air pipeline. The filtering device can filter the gas entering the respirator to a certain extent, and reduces the generation of impurities. Under the action of rotation of the fan, gas enters the water tank in the humidifier through the air inlet piece, and meanwhile, the temperature of sterile water in the water tank rises to generate humidified airflow, and the humidified airflow and the gas are fully mixed and then enter the respiratory tract of a patient through the air outlet pipe. The good heating and humidification can prevent and reduce the secondary infection of the respiratory tract of the patient with mechanical ventilation, stimulate the heart-lung system and keep the alveoli moist. Meanwhile, the consumption of heat and respiratory tract water can be reduced, so that the air passage is not easy to generate phlegm scab, the viscosity of secretion can be reduced, and the sputum excretion is promoted.

2. The gas that produces by the fan enters into the air current cap, changes gaseous flow direction in the air current cap to the velocity of flow that has reduced gas to a certain extent, makes the gas that gets into in the water tank can with the abundant mixture of humidifying air current, has guaranteed the wet nature of patient's inspiratory gas. The damping ring absorbs the vibration caused by the rotation of the fan, the installation stability of the airflow cap is improved, the sealing ring increases the tightness of the communication between the humidifier and the respirator body, and the smoothness of the air path is ensured.

3. Set up on the inside wall of water tank and prevent the counterflow rate, avoided in comdenstion water and aseptic water reflux enter the fan on the one hand, on the other hand has guaranteed that the gas that the fan produced can stably get into the water tank and carry out the humidifying effect. And the anti-reflux pipe is arranged far away from the bottom of the water tank, so that more sterile water can be added into the water tank, water does not need to be added into the humidifier for many times, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of the forward explosion of the present invention.

Fig. 2 is a schematic diagram of the reverse explosion of the present invention.

Fig. 3 is an exploded view of the display humidifier of the present invention.

Fig. 4 is a partial sectional view of the display water tank of the present invention.

Reference numerals: 1. a ventilator body; 11. a fan; 12. an air duct; 13. an air inlet; 15. a guide groove; 16. a card slot; 2. a humidifier; 21. a housing; 211. an airflow aperture; 212. a guide post; 213. hanging and buckling; 22. a water tank; 221. an anti-reflux tube; 222. a filter screen; 223. activated carbon sponge; 23. heating plates; 24. a sealing cover; 241. an air outlet pipe; 25. a heat conducting plate; 26. a seal ring; 31. an airflow cap; 311. a through hole; 32. a shock-absorbing ring; 33. and (4) a sealing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a breathing machine with humidification function, including breathing machine body 1 and can dismantle fixed connection's humidifier 2 with breathing machine body 1, be provided with fan 11 and vent line 12 in the breathing machine body 1. Be provided with on the lateral wall on the breathing machine body 1 with the air inlet 13 of intercommunication in the vent pipe 12, vent pipe 12 keeps away from the one end of air inlet 13 and the air intake intercommunication of fan 11, and fixedly connected with filter equipment can be dismantled in air inlet 13 department, is provided with the piece of ventilating between the air outlet of fan 11 and humidifier 2.

In this embodiment, filter equipment is including inserting to establish filter frame and the degerming sponge of fixing in air inlet 13, and the degerming sponge inlays to be established and fixes in filtering the frame, filters the frame and fixes between air inlet 13 and air pipe, and logical groove has been seted up to the bottom of filtering the frame, and a plurality of inlet ports have been seted up to one side of filtering the frame. The sterilizing sponge is put into the filter frame, and then the filter frame is inserted into the air inlet 13, so that the filter frame is fixed between the air inlet 13 and the ventilation duct. The degerming sponge filters dust, impurities and the like in the air, so that the purity of the gas entering the respirator is improved, and the sterilization and disinfection effects are enhanced.

Referring to fig. 1, the air venting member includes an airflow cap 31, a damper ring 32 and a sealing ring 33, an airflow hole 211 communicating with the water tank 22 is formed in the case 21, the sealing ring 33 is installed on the airflow hole 211, a through hole 311 matching with the airflow hole 211 is formed in one side of the airflow cap 31, and the damper ring 32 is installed on the case 21 and disposed at one side of the airflow hole 211. The part of the airflow cap 31 provided with the through hole 311 is tightly and elastically abutted in the sealing ring 33, one side of the airflow cap 31 far away from the through hole 311 is tightly and elastically abutted in the damping ring 32, and the opening is connected with the air outlet of the fan 11.

In this embodiment, the damping ring 32 and the sealing ring 33 are both made of rubber materials, and the air generated by the fan 11 enters the airflow cap 31, and the flowing direction of the air is changed in the airflow cap 31, so that the flow rate of the air is reduced to a certain extent, the air entering the water tank 22 can be fully mixed with the humidifying air flow, and the wettability of the air sucked by a patient is ensured. The damping ring 32 absorbs the vibration caused by the rotation of the fan 11, the installation stability of the airflow cap 31 is improved, the sealing ring 33 increases the tightness of the communication between the humidifier 2 and the respirator body 1, and the smoothness of the air path is ensured.

Referring to fig. 1 and 2, four corners of one side of the housing 21 where the airflow holes 211 are formed are fixedly connected with guide posts 212, respectively, and a plurality of guide grooves 15 for slidably inserting the guide posts 212 are formed on the outer side wall of the ventilator body 1. When installing humidifier 2 on breathing machine body 1, guide post 212 is inserted and is established in guide way 15, the assembly of the breathing machine of being convenient for on the one hand makes humidifier 2 and breathing machine body 1 be difficult for taking place the phenomenon of offset simultaneously, has improved the steadiness of installation.

Further, a plurality of hanging buckles 213 are fixedly connected to the outer side wall of the housing 21, the hanging buckles 213 are arranged on one side of the guide post 212, and a plurality of clamping grooves 16 for clamping the hanging buckles 213 are arranged on the outer side wall of the respirator body 1. The plurality of hanging buckles 213 are clamped in the corresponding clamping grooves 16, so that the humidifier 2 is fixed on the respirator body 1, the connection stability is improved, and the convenience in disassembly is realized.

Referring to fig. 3, the humidifier 2 includes a housing 21, a water tank 22, a heating plate 23 and a sealing cover 24, the water tank 22 and the heating plate 23 are disposed in the housing 21, the heating plate 23 is fixed at the bottom of the water tank 22 and heats the water tank 22, the sealing cover 24 is disposed on one side of the water tank 22 far away from the heating plate 23 and detachably connected with the housing 21 in a sealing manner, an air outlet pipe 241 communicated with the water tank 22 is disposed on the sealing cover 24, and the water tank 22 is communicated with an air outlet of the fan 11 through an air vent.

Wherein, the inner side wall of the water tank 22 is fixedly connected with a backflow preventing pipe 221 communicated with the airflow hole 211, and the backflow preventing pipe 221 is arranged far away from the bottom of the water tank 22. Set up on the inside wall of water tank 22 and prevent countercurrent pipe 221, avoided comdenstion water and aseptic water backward flow to get into in the fan 11 on the one hand, on the other hand has guaranteed that the gas that fan 11 produced can stably get into in the water tank 22 and carry out the humidification effect. And the anti-backflow pipe 221 is arranged far away from the bottom of the water tank 22, so that more sterile water can be added into the water tank 22, water does not need to be added into the humidifier 2 for many times, and the working efficiency is improved.

Referring to fig. 3, a heat-conducting plate 25 is fixedly connected to the bottom of the water tank 22, and when the water tank 22 is inserted and fixed in the humidifier 2, the heat-conducting plate 25 and the heating plate 23 are attached to each other. The heating plate 23 generates heat after being electrified, and the heat is conducted on the heat conducting plate 25 to raise the temperature of the heat conducting plate, so that the sterile water in the water tank 22 can be heated conveniently, and the sterile water can rapidly generate humidified airflow to be mixed with gas generated by a breathing machine. The end of the water tank 22 far away from the bottom is fixedly connected with a sealing ring 26, and the sealing cover 24 is detachably connected with the sealing ring 26 in a sealing way. The sealing ring 26 is fixed on the water tank 22 by ultrasonic welding, and improves the sealing performance of the water tank 22 when the sealing cover 24 on the humidifier 2 is closed.

In the present embodiment, the heat conductive plate 25 is made of a stainless material, and the water tank 22 is made of a copolycarbonate material. The stainless steel material has good heat conductivity, and simultaneously, the heat conducting plate 25 is not easy to rust, so that the service life of the heat conducting plate 25 is prolonged. The water tank 22 is made of a copolycarbonate material, which is distinguished from any other engineering thermoplastic by its unique combination of high heat resistance, toughness, clarity, light stability, and flow properties. Particularly noteworthy is its excellent heat resistance, so that the heat resistant temperature of the water tank 22 can be even as high as 260 ℃. Therefore, it is an ideal material for molded articles used under high thermal stress environments.

Referring to fig. 4, two layers of filter screens 222 are fixed in the backflow prevention pipe 221, and an activated carbon sponge 223 is disposed between the two layers of filter screens 222. After the gas generated by the fan 11 passes through the filter screen 222 and the activated carbon sponge 223, impurities and dust can be filtered out by the activated carbon sponge 223, so that secondary filtration of the gas is realized, the purity rate of the gas inhaled by a patient is improved, and the safety is improved.

The implementation principle of the embodiment is as follows: before using the respirator, the sealing cover 24 is opened to add a proper amount of sterile water into the water tank 22, then the sealing cover 24 is closed and the heating plate 23 is electrified to heat the water tank 22. The fan 11 is turned on, and outside air enters the fan 11 after passing through the filter device and the ventilation pipeline 12. The filtering device can filter the gas entering the respirator to a certain extent, and reduces the generation of impurities.

Under the action of rotation of the fan 11, gas enters the water tank 22 in the humidifier 2 through the air inlet piece, and meanwhile, the temperature of sterile water in the water tank 22 is increased to generate humidified airflow, and the humidified airflow and the gas are fully mixed and then enter the respiratory tract of a patient through the air outlet pipe 241. The good heating and humidification can prevent and reduce the secondary infection of the respiratory tract of the patient with mechanical ventilation, stimulate the heart-lung system and keep the alveoli moist. Meanwhile, the consumption of heat and respiratory tract water can be reduced, so that the air passage is not easy to generate phlegm scab, the viscosity of secretion can be reduced, and the sputum excretion is promoted.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a breathing machine with humidification function, including breathing machine body (1) and with humidifier (2) of fixed connection can be dismantled in breathing machine body (1), its characterized in that: a fan (11) and an air duct (12) are arranged in the respirator body (1), an air inlet (13) communicated with the interior of the air duct (12) is arranged on the side wall of the respirator body (1), one end, far away from the air inlet (13), of the air duct (12) is communicated with an air inlet of the fan (11), and a filtering device is detachably and fixedly connected to the air inlet (13);

the air outlet of fan (11) with be provided with the piece of ventilating between humidifier (2), humidifier (2) are including casing (21), water tank (22), hot plate (23) and sealed lid (24), water tank (22) with hot plate (23) set up in casing (21), hot plate (23) are fixed the bottom of water tank (22) is right water tank (22) heats, sealed lid (24) set up water tank (22) are kept away from one side of hot plate (23) and with sealing connection can be dismantled to casing (21), be provided with on sealed lid (24) with outlet duct (241) of water tank (22) intercommunication, water tank (22) pass through the piece of ventilating with the air outlet intercommunication of fan (11).

2. A ventilator with humidifying function as claimed in claim 1, wherein: the ventilating piece comprises an airflow cap (31), a damping ring (32) and a sealing ring (33), an airflow hole (211) communicated with the water tank (22) is formed in the machine shell (21), the sealing ring (33) is installed on the airflow hole (211), a through hole (311) matched with the airflow hole (211) is formed in one side of the airflow cap (31), and the damping ring (32) is installed on the machine shell (21) and is arranged on one side of the airflow hole (211);

the part, provided with the through hole (311), of the airflow cap (31) is tightly and elastically abutted in the sealing ring (33), one side, far away from the through hole (311), of the airflow cap (31) is tightly and elastically abutted in the damping ring (32), and the opening of the airflow cap is connected with the air outlet of the fan (11).

3. A ventilator with humidifying function as claimed in claim 2, wherein: four corners of one side of the airflow hole (211) are respectively and fixedly connected with guide columns (212) on the shell (21), and a plurality of guide grooves (15) for the guide columns (212) to be slidably embedded are formed in the outer side wall of the respirator body (1).

4. A ventilator with humidifying function as claimed in claim 3, wherein: the outer side wall of the machine shell (21) is fixedly connected with a plurality of hanging buckles (213), the hanging buckles (213) are arranged on one side of the guide column (212),

the outer side wall of the breathing machine body (1) is provided with a plurality of clamping grooves (16) for clamping the hanging buckle (213).

5. A ventilator with humidifying function as claimed in claim 2, wherein: an anti-backflow pipe (221) communicated with the airflow hole (211) is fixedly connected to the inner side wall of the water tank (22), and the anti-backflow pipe (221) is far away from the bottom of the water tank (22).

6. The ventilator with humidifying function as claimed in claim 5, wherein: two layers of filter screens (222) are fixed in the backflow prevention pipe (221), and activated carbon sponge (223) is arranged between the two layers of filter screens (222).

7. A ventilator with humidifying function as claimed in claim 1, wherein: the bottom of the water tank (22) is fixedly connected with a heat-conducting plate (25), and when the water tank (22) is inserted and fixed in the humidifier (2), the heat-conducting plate (25) and the heating plate (23) are mutually attached.

8. The ventilator with humidifying function as claimed in claim 7, wherein: one end of the water tank (22) far away from the bottom is fixedly connected with a sealing ring (26), and the sealing cover (24) is detachably and hermetically connected with the sealing ring (26).