Portable rechargeable spray type postoperative xerostomia alleviator
Through a portable rechargeable spray-type postoperative dry mouth relief device, ultrasonic atomization technology is used to spray fine mist droplets, solving the risk of postoperative dry mouth and traditional methods of aspiration, achieving rapid, wet, safe, reliable and comfortable oral care effects.
Patent Information
- Application Number
- CN202510475860.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2025-05-30
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
After the operation, the patient's mouth was dry and discomfort due to fasting, and the traditional cotton swab wipe method was inconvenient to operate and there was a risk of aspiration.
Design a portable rechargeable spray-type postoperative dry mouth relief device, using ultrasonic atomization technology to convert water or oral care liquid into fine mist droplets, and spray it into the mouth through the nozzle.
It achieves rapid wetting of the oral cavity, avoids the risk of aspiration by traditional methods, and has a removable design that reduces the probability of bacterial infection, adjusts the spray volume, low noise operation and long battery life meet the needs of postoperative use.
Smart Images

Figure CN120053822A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of medical devices, and specifically relates to a portable rechargeable spray-type postoperative xerostomia reliever. Background Art
[0002] Postoperative patients often need to fast, resulting in dry mouth discomfort. Traditional relief methods such as using a cotton swab dipped in water to wipe the oral cavity are not only inconvenient to operate, but also there is a risk that the front end of the cotton swab may fall off and accidentally enter the respiratory tract. Therefore, designing a portable rechargeable spray-type postoperative xerostomia reliever can effectively relieve the patient's dry mouth while avoiding the inconvenience and risks of traditional methods. Summary of the Invention
[0003] To solve the above problems, the present invention provides the following technical solutions: A portable rechargeable spray-type postoperative xerostomia reliever, comprising:
[0004] A housing, designed in a streamlined shape and having a portable size;
[0005] A water tank disposed inside the housing for storing water or oral care liquid;
[0006] An ultrasonic atomization device, connected to the water tank, for converting the liquid into fine mist droplets;
[0007] A nozzle, disposed at the front end of the housing and connected to the ultrasonic atomization device, and its outlet direction is adapted to the oral spraying angle;
[0008] A rechargeable battery and a charging interface, integrated inside the housing, for power supply;
[0009] A control module, including a spray switch and a spray volume adjustment unit, for controlling the start and stop of atomization and the single spray volume;
[0010] A dry-burning protection module, electrically connected to the water tank and the atomization device, for detecting the water shortage state and cutting off the power supply.
[0011] Further, the spray volume adjustment unit is a multi-gear adjustment structure, and the single spray volume range is from 0.1 ml to 0.5 ml.
[0012] Further, an LED indicator is provided on the surface of the housing for displaying the power status and working mode.
[0013] Further, the ultrasonic atomization device includes a piezoelectric ceramic sheet, whose vibration frequency is from 1.8 MHz to 2.4 MHz, and is connected to the control module through a frequency matching circuit to achieve low-noise atomization.
[0014] Further, the water tank and the nozzle are detachable structures, and a waterproof sealing ring is provided at the disassembly interface.
[0015] Further, the liquid-contact parts of the housing, water tank and nozzle are made of food-grade plastic material.
[0016] Further, the capacity of the water tank is 30 ml to 80 ml.
[0017] Further, the rechargeable battery is a lithium-ion battery with a capacity of 800 mAh to 1200 mAh, supporting USB fast charging and having a full-charge battery life of ≥ 24 hours.
[0018] Further, the spraying angle of the nozzle is designed to be inclined at 15° to 45°, and an anti-backflow structure is provided at the outlet end.
[0019] Further, a spiral diversion channel is provided inside the nozzle for forming a uniformly diffused mist-like airflow for the atomized droplets before spraying.
[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0021] The postoperative dry mouth reliever of the present invention significantly improves the patient care experience, quickly moistens the oral cavity through microspray technology, and avoids the risk of aspiration caused by traditional cotton swab wiping; the detachable disinfection design greatly reduces the probability of bacterial infection, the spray volume is accurately adjusted to meet individual needs, and coughing discomfort is reduced; the low-noise operation and long battery life meet the all-weather use needs of postoperative weak patients, and the anti-dry burning protection function ensures the safety and reliability of the device, comprehensively achieving efficient, safe and comfortable oral care effects. Description of the Drawings
[0022] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the drawings:
[0023] Figure 1 is a schematic cross-sectional structure diagram of the whole portable rechargeable spray-type postoperative dry mouth reliever of the present invention;
[0024] Figure 2 is a schematic structure diagram of the circuit part of the portable rechargeable spray-type postoperative dry mouth reliever of the present invention;
[0025] In the figure: 1, housing; 2, water tank; 3, ultrasonic atomization device; 31, piezoelectric ceramic sheet; 32, frequency matching circuit; 4, nozzle; 41, anti-backflow structure; 42, spiral diversion channel; 5, rechargeable battery; 6, charging interface; 7, control module; 71, spray switch; 72, spray volume adjustment unit; 8, anti-dry burning protection module; 9, LED indicator light. Detailed Embodiments
[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.
[0027] As Figure 1-2 given, the first embodiment of the present invention includes:
[0028] A housing 1, which is designed in a streamline shape and has a portable size;
[0029] A water tank 2 disposed in the housing 1, which is used to store water or oral care liquid;
[0030] An ultrasonic atomization device 3, which is connected to the water tank 2 and is used to convert the liquid into fine mist droplets;
[0031] A nozzle 4, which is arranged at the front end of the housing 1 and is connected to the atomization device, and the outlet direction thereof is adapted to the oral spraying angle;
[0032] A rechargeable battery 5 and a charging interface 6, which are integrated in the housing 1 and are used for power supply;
[0033] A control module 7, which includes a spray switch 71 and a spray volume adjustment unit 72, and is used to control the start and stop of atomization and the single - time spray volume;
[0034] A dry - burning prevention protection module 8, which is electrically connected to the water tank 2 and the atomization device, and is used to detect the water - shortage state and cut off the power supply.
[0035] The spray volume adjustment unit 72 is a multi - gear adjustment structure, and the single - time spray volume range is from 0.1 ml to 0.5 ml.
[0036] An LED indicator light 9 is arranged on the surface of the housing 1, which is used to display the power state and the working mode.
[0037] The ultrasonic atomization device 3 includes a piezoelectric ceramic sheet 31, whose vibration frequency is from 1.8 MHz to 2.4 MHz, and is connected to the control module 7 through a frequency - matching circuit 32 to achieve low - noise atomization.
[0038] The water tank 2 and the nozzle 4 are detachable structures, and a waterproof sealing ring 10 is arranged at the disassembly interface. The waterproof sealing ring 10 forms a compression seal at the interface to prevent liquid leakage, and can withstand repeated disassembly without aging.
[0039] The parts of the housing 1, the water tank 2 and the nozzle 4 that come into contact with the liquid are made of food - grade plastic materials.
[0040] The capacity of the water tank 2 is 30 ml to 80 ml; with a water tank capacity of 30 ml to 80 ml, after injecting liquid through the water injection port, the liquid is transported to the ultrasonic atomization device by gravity or capillary action. The detachable design, combined with a waterproof sealing ring (10), ensures that the liquid does not overflow during disassembly and is convenient for cleaning and disinfection (such as soaking in boiling water) to avoid bacterial growth.
[0041] The rechargeable battery 5 is a lithium-ion battery with a capacity of 800 mAh to 1200 mAh, supporting USB fast charging and having a full charge battery life of ≥ 24 hours.
[0042] In the second embodiment of the present invention, the spraying angle of the nozzle 4 is designed to be inclined at 15° to 45°, adapting to the oral position of the patient when lying supine or sitting, to avoid the mist droplets directly impacting the throat and causing choking; and a backflow prevention structure 41 is provided at the outlet end, using a one-way valve or a film structure to prevent saliva or liquid from flowing back and contaminating the atomization device.
[0043] The nozzle 4 is internally provided with a spiral diversion channel 42 for forming a uniformly diffused mist-like airflow before the atomized droplets are ejected, applying a centrifugal force to the atomized airflow through a spiral path to uniformly diffuse the mist droplets and avoid local over-wetting.
[0044] Working principle: 1. Adding water: Open the detachable water tank 2 to inject water or nursing solution, and ensure sealing through the waterproof sealing ring 10; 2. Charging: Charge the lithium-ion battery 5 through the USB interface 6, and the LED indicator 9 shows the battery status; 3. Spraying: After pressing the spray button 71, the control module 7 activates the ultrasonic atomization device 3, and the piezoelectric ceramic sheet 31 vibrates at a high frequency of 1.8 - 2.4 MHz to atomize the liquid. The mist droplets are uniformly sprayed into the oral cavity through the spiral diversion channel 42 of the nozzle 4. The spraying amount is controlled by the adjustment unit 72 at 0.1 - 0.5 ml / time, and the dry-burning prevention module 8 monitors the liquid level of the water tank 2 in real time and automatically cuts off the power for protection; 4. Cleaning: Disassemble the water tank 2 and the nozzle 4, and use the high-temperature resistance characteristics of food-grade materials for disinfection. The sealing ring 10 ensures the waterproofness of repeated assembly and disassembly.
[0045] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.
[0046] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will appreciate that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A portable, rechargeable spray-type postoperative dry mouth reliever, characterized in that: include: The housing (1) has a streamlined design and a portable size; A water tank (2) disposed in the housing (1) and used for storing water or oral care liquid; An ultrasonic atomization device (3), connected to the water tank (2), for converting liquid into fine mist droplets; A nozzle (4) is arranged at the front end of the housing (1) and connected to the ultrasonic atomization device (3), and its outlet direction is adapted to the oral cavity spray angle; A rechargeable battery (5) and a charging interface (6) are integrated in the housing (1) and are used for power supply; A control module (7), comprising a spray switch (71) and a spray quantity adjustment unit (72), for controlling the start and stop of atomization and the single spray quantity; The anti-dry-burn protection module (8) is electrically connected to the water tank (2) and the atomizing device, and is used to detect a water shortage state and cut off power supply.
2. The portable rechargeable spray-type postoperative dry mouth relief device according to claim 1, characterized in that: The spray volume adjustment unit (72) is a multi-level adjustment structure, and the single spray volume range is 0.1 ml to 0.5 ml.
3. The portable rechargeable spray-type postoperative dry mouth relief device according to claim 1, characterized in that: The surface of the housing (1) is provided with an LED indicator light (9) for displaying the power status and working mode.
4. The portable rechargeable spray-type postoperative dry mouth relief device according to claim 1, characterized in that: The ultrasonic atomization device (3) comprises a piezoelectric ceramic sheet (31) having a vibration frequency of 1.8 MHz to 2.4 MHz and is connected to the control module (7) via a frequency matching circuit (32) to achieve low-noise atomization.
5. The portable rechargeable spray-type postoperative dry mouth relief device according to claim 1, characterized in that: The water tank (2) and the nozzle (4) are detachable structures, and a waterproof sealing ring (10) is provided at the detachable interface.
6. The portable rechargeable spray-type postoperative dry mouth relief device according to claim 1, characterized in that: The parts of the housing (1), the water tank (2) and the nozzle (4) that contact the liquid are made of food-grade plastic material.
7. The portable rechargeable spray-type postoperative dry mouth relief device according to claim 1, characterized in that: The capacity of the water tank (2) is 30 ml to 80 ml.
8. The portable rechargeable spray-type postoperative dry mouth relief device according to claim 1, characterized in that: The rechargeable battery (5) is a lithium-ion battery with a capacity of 800 mAh to 1200 mAh, supports USB fast charging and has a full-charge life of ≥ 24 hours.
9. The portable rechargeable spray-type postoperative dry mouth relief device according to claim 1, characterized in that: The spraying angle of the nozzle (4) is designed to be inclined at 15° to 45°, and an anti-backflow structure (41) is provided at the outlet end.
10. The portable rechargeable spray-type postoperative dry mouth relief device according to claim 1, characterized in that: The nozzle (4) is provided with a spiral flow guide channel (42) inside, which is used to make the atomized liquid droplets form a uniformly diffused mist airflow before being sprayed out.