Positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection and use method thereof
The present invention discloses a positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection, and relates to the technical field of health care. The nasal cavity cleaner consists of a nose washing end, an upper shell, a core module, a control module, a lower shell, a liquid reservoir and a waste reservoir, wherein the nose washing end is rotatably connected to a top portion of the upper shell, and the nose washing end consists of a silicone washing nozzle, a silicone backflow nozzle and a rotary connecting base. The nasal cavity cleaner uses positive pressure and automatic pressure relief structures to obtain safe and constant air pressure, and then presses normal saline into the nasal cavity to clean the nasal cavity, so that pressure in the nasal cavity is small and stable during cleaning, which prevents damage to the nasal cavity and ear canal, thus being safer to use. Besides, deeper areas can be washed, nasal scabs in the nasal cavity can be moistened and removed, harmful substances such as dust in the nasal cavity can be removed, the nasal cavity can be moistened, and normal swing of nasal cilia can be recovered, which are helpful in treating rhinitis and preventing the onset of allergic rhinitis.
1 . A positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection, comprising:
a shell having a lower shell,
a cleaning liquid container,
a nose washing end, and
a waste liquid recovery container,
wherein the positive-pressure double-nozzle nasal cavity cleaner further comprises a core module, a middle of the core module is provided with an air pump, a cleaning liquid inlet is provided at a first side of the air pump, a waste liquid inlet is provided at a reverse side, relative to the first side, of the air pump,
the lower shell has a U-shaped structure; a cleaning liquid diversion pipe is provided at one side of the U-shaped structure, and a waste liquid recovery pipe is provided at an other side of the U-shaped structure; the cleaning liquid diversion pipe communicates with the cleaning liquid inlet and the cleaning liquid container, and the waste liquid recovery pipe communicates with the waste liquid inlet and the waste liquid recovery container;
the air pump extends beneath the cleaning liquid diversion pipe into an interior of the U-shaped structure;
the air pump provides a positive pressure source, the positive pressure source drives a cleaning liquid to flow by increasing air pressure in the cleaning liquid container, an automatic pressure relief mechanism is arranged in an internal passage to maintain the air pressure, the automatic pressure relief mechanism comprises a mechanical pressure relief part and an electronic feedback part, the electronic feedback part and a driving part in the positive pressure source are controlled by a control module, and the control module stabilizes hydraulic pressure in a liquid passage at a preset value,
the nose washing end is rotatable, such that inflow and outflow directions of the cleaning liquid inside nostrils are capable of being changed.
2 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 1 , wherein the nose washing end, the cleaning liquid container and the waste liquid recovery container are all detachably connected to the shell of the cleaner.
3 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 2 , wherein the nose washing end comprises two silicone nozzles, and when the two silicone nozzles are inserted into the nasal cavity, a flow passage of liquid flowing out of the cleaning liquid container, passing through the nasal cavity and then flowing into the waste liquid recovery container is formed.
4 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 2 , wherein the mechanical pressure relief part is a pressure relief valve, and a preset pressure value of the pressure relief valve is adjustable.
5 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 1 , wherein the electronic feedback part comprises an air pressure sensor arranged in a passage of the positive pressure source, the air pressure sensor sends air pressure data to a feedback module, and the control module adjusts an output of the positive pressure source according to the air pressure data received by the feedback module to stabilize water pressure in the water passage.
6 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 5 , wherein the feedback module is provided with at least two settings, which are controlled by switches, and each setting corresponds to a preset water pressure value.
7 . A use method of the positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 1 , comprising the following steps:
S1. checking whether the cleaner is able to work properly;
S2. after confirming that the cleaner is able to work properly, preparing a nasal wash and loading the nasal wash into the cleaner, wherein an appropriate amount of warm normal saline is loaded into the cleaning liquid container as needed;
S3. installing the cleaning liquid container onto a cleaner body;
S4. holding the cleaner with a key facing a human body, and moving the nose washing end toward the nostrils so as to be inserted into the nostrils, and ensuring that the nose washing end completely blocks the nostrils;
S5. pressing the key to start nasal cavity cleaning; and
S6. removing the waste liquid recovery container.
8 . The use method of the positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 7 , wherein a temperature of the cleaning liquid in S2 is 37° C.
9 . The use method of the positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 7 , wherein in S1, it is checked whether there is a battery in a battery compartment, and it is checked whether mode one and mode two keys of an integrated soft rubber key on an upper shell function properly based on indicator lights activated by pressing the key.
10 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 1 , wherein the nose washing end comprises a washing nozzle, a backflow nozzle and a rotary connecting base, the washing nozzle and the backflow nozzle are fixed to a top portion of the rotary connecting base, and a bottom of the rotary connecting base is provided with a water pipe connector; the rotary connecting base is configured to rotate to change relative positions of the washing nozzle and the backflow nozzle on the cleaner, thereby changing inflow and outflow directions of the cleaning liquid inside the nostrils.
11 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 4 , wherein the pressure relief valve comprises a valve element air channel, an umbrella-shaped rubber pad, an adjustment screw, and an umbrella-shaped rubber pad fixer;
wherein the valve element air channel communicates with both an air inlet channel and an air outlet channel of the positive pressure source; the umbrella-shaped rubber pad is connected on the umbrella-shaped rubber pad fixer, and the umbrella-shaped rubber pad fixer is positioned and fixed by the adjustment screw; a tightness of the umbrella-shaped rubber pad is adjusted through the adjustment screw, such that the air pressure in the cleaning liquid container is capable of being stabilized at a set pressure value.
12 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 2 , wherein the shell comprises an upper shell and the lower shell, the lower shell and the upper shell are connected via snap fit, the cleaning liquid container and the waste liquid recovery container are installed on the lower shell, and the positive pressure source, the automatic pressure relief mechanism and the control module are fixed between the upper shell and the lower shell.
13 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 1 , wherein an air pump holder is fixed in the middle of the core module, and the air pump is fixed on the air pump holder; a joint between the air pump and the core module is provided with an air pump gasket.
14 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 1 , wherein one end of the lower shell is provided with a first snap joint, and an other end of the lower shell is provided with a second snap joint; elastic rubber strips are fixed to inner walls of the cleaning liquid container and the waste liquid recovery container respectively; the cleaning liquid container and the waste liquid recovery container are connected to the first snap joint and the second snap joint respectively through the elastic rubber strips.
15 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 14 , wherein outer walls of the first snap joint and the second snap joint are provided with alignment recesses respectively, and the elastic rubber strips on the cleaning liquid container and the waste liquid recovery container are respectively in snap-fit with the alignment recesses on the outer walls of the first snap joint and the second snap joint.
16 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 1 , wherein a bottom of the U-shaped structure is provided with a battery compartment.
17 . The positive-pressure double-nozzle nasal cavity cleaner featuring double pressure protection of claim 1 , wherein the cleaning liquid container and the waste liquid recovery container are symmetrically provided at the one side and the other side sides of the U-shaped structure.