An aerosol adsorption protection device for instrument drying

Abstract

This utility model relates to an aerosol adsorption and protection device for instrument drying, comprising an upper cover and a lower chamber, which are sealed together by a sealing assembly to form a closed cavity. The lower chamber is equipped with a mounting mesh assembly and a drive assembly. Below the mounting mesh assembly within the closed cavity, a first filter layer for adsorbing moisture, a second filter layer for adsorbing aerosols, and an exhaust pipe are sequentially arranged. This device is ingeniously designed; the upper cover, sealed together with the lower chamber, forms a closed cavity, effectively isolating aerosol diffusion during the drying process. The device includes a rotatable mounting mesh assembly for fixing and rotating the instrument, thereby improving drying efficiency or the contact area between the instrument and the airflow. Below the mounting mesh assembly, the first filter layer for adsorbing moisture and the second filter layer for adsorbing aerosols are sequentially arranged, achieving simultaneous adsorption and treatment of aerosols during the drying process. This device has a compact structure, good sealing performance, and high aerosol adsorption efficiency, making it suitable for medical, laboratory, and other applications.

Description

Technical Field

[0001] This utility model relates to the technical field of medical device drying, and in particular to an aerosol adsorption protection device for device drying. Background Technology

[0002] In medical and laboratory environments, instruments require drying after sterilization, especially their operating heads, which are typically dried using an air gun. During this process, the high-pressure airflow impacting the liquid surface generates a large number of aerosol particles suspended in the air. In existing technology, operators usually place a rectangular or square transparent enclosure on the table to confine the instruments and air gun drying operation inside the enclosure, aiming to reduce aerosol diffusion. However, the lower end of such enclosures is open, only partially blocking aerosols and failing to create an effective closed space. A significant amount of aerosol still escapes from the enclosure's edges into the environment, especially during the drying operation when the airflow is strong, exacerbating aerosol diffusion.

[0003] Because existing devices lack an effective aerosol adsorption structure, they cannot simultaneously treat the aerosols generated during the drying process, leading to environmental pollution and impacting the health and safety of operators. Therefore, there is an urgent need for a compact, well-sealed instrument drying and protection device with aerosol adsorption capabilities to solve these problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing an aerosol adsorption protection device for instrument drying, which can effectively solve the aforementioned problems.

[0005] To achieve the above requirements, the technical solution adopted by this utility model to solve its technical problem is as follows:

[0006] This utility model provides an aerosol adsorption and protection device for drying medical instruments, comprising an upper cover and a lower housing detachably connected to the upper cover. The upper cover and the lower housing are sealed together by a sealing assembly to form a closed cavity. A mounting net assembly for fixing medical instruments is rotatably mounted on the lower housing within the closed cavity, along with a drive assembly for rotating the mounting net assembly. The top surface of the upper cover is provided with an air inlet pipe that is tightly connected to an external air gun so that the air gun blows air towards the mounting net assembly. A first valve is provided on the air inlet pipe. Below the mounting net assembly within the closed cavity, a first support, a second support, and an exhaust pipe are sequentially provided. A first filter layer for adsorbing moisture is detachably mounted on the first support. A second filter layer for adsorbing aerosols is detachably mounted on the second support. A second valve is provided on the exhaust pipe, and the outlet end of the exhaust pipe is connected to an external aerosol collection device.

[0007] The aerosol adsorption protection device of this utility model includes a first annular step on the outer surface of the upper end of the lower housing that is fitted and inserted into the upper cover; a first sealing ring is embedded in the upper end face of the first annular step; a second sealing ring is embedded in the lower end face of the upper cover; when the upper cover and the lower housing are installed in place, the outer surface of the first sealing ring and the outer surface of the second sealing ring are in interference fit; the first sealing ring and the second sealing ring constitute the sealing assembly.

[0008] In the aerosol adsorption protection device of this utility model, the first sealing ring and the second sealing ring are arranged alternately or symmetrically in the upper and lower parts.

[0009] The aerosol adsorption protection device of this utility model includes an installation net assembly comprising two rotating disks respectively rotatably disposed on opposite inner sides of the lower housing, a first net plate connecting the two rotating disks, a second net plate clamping and fixing the instrument to the first net plate, and a locking fastener for locking and fixing the first net plate and the second net plate; the first net plate is also provided with a first through hole for avoiding the operating head of the instrument; the second net plate is provided with a second through hole corresponding to and communicating with the first through hole; both the first net plate and the second net plate are detachably connected to the two rotating disks.

[0010] The aerosol adsorption protection device of this utility model has symmetrically provided slots on the opposite inner surfaces of the two rotating disks; and the two ends of the second mesh plate are respectively provided with snap-fit ​​parts that engage with the two slots.

[0011] The aerosol adsorption protection device of this utility model includes multiple slots that are evenly distributed along the rotating surface of the rotating disk; the two ends of the second mesh plate are engaged with any one of the symmetrical slots.

[0012] The aerosol adsorption protection device of this utility model includes a first bracket comprising a second annular step fixedly connected to the inner surface of the lower housing; the first filter layer is fixedly fitted with the mounting groove on the second annular step by an interference fit.

[0013] In the aerosol adsorption protection device of this utility model, the first filter layer and the second filter layer are arranged in parallel.

[0014] The aerosol adsorption protection device of this utility model includes a second filter layer comprising a filter plate; the filter plate is provided with a plurality of uniformly distributed filter holes; the filter holes gradually decrease in size from top to bottom.

[0015] In the aerosol adsorption protection device of this utility model, the upper cover is made of a transparent material.

[0016] The aerosol adsorption and protection device for instrument drying is ingeniously designed and offers the following benefits: It effectively controls the diffusion of aerosols generated by high-pressure airflow impacting the liquid surface during the drying process. The upper cover and lower chamber are sealed together by a sealing assembly to form a closed cavity, effectively preventing aerosols from escaping into the operating environment and ensuring the health and safety of operators. The rotatable mounting mesh assembly effectively increases the contact area between the airflow and the instrument, improving the uniformity and efficiency of instrument drying. Through a two-stage filtration structure (the first filter layer adsorbs moisture, and the second filter layer adsorbs aerosols) and the connection to an external aerosol collection device, it achieves efficient and simultaneous adsorption and treatment of aerosols, significantly improving the cleanliness of the operating environment. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of the aerosol adsorption protection device for instrument drying according to this utility model. Detailed Implementation

[0019] The terms "first," "second," "third," and "fourth," etc., used in the specification, claims, and accompanying drawings of this invention are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or apparatuses.

[0020] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0021] "Multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0022] Furthermore, the terms indicating orientation, such as "up," "down," "left," "right," "upper end," "lower end," and "longitudinal," are all based on the posture and position of the device or equipment described in this solution during normal use.

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, a clear and complete description will be provided below in conjunction with the technical solutions in the embodiments of this utility model. Obviously, the described embodiments are some, but not all, embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] The preferred embodiment of this utility model is an aerosol adsorption protection device for instrument drying, such as... Figure 1 As shown, the device includes an upper cover 10 and a lower housing 20 detachably connected to the upper cover 10. In this embodiment, the upper cover 10 and the lower housing 20 are fixed by an interference fit or by a threaded connection, making disassembly and assembly convenient. The upper cover 10 is made of a transparent material, facilitating observation of the dryness of the internal instruments. The upper cover 10 and the lower housing 20 are enclosed by a sealing assembly 30 to form a closed cavity 01; this solves the aerosol leakage problem caused by the open structure at the lower end of the cover in the prior art. The lower housing 20 is rotatably mounted within the enclosed cavity 01, with a mounting net assembly 21 for fixing the instrument and a drive assembly 22 for rotating the mounting net assembly 21. In this embodiment, the drive assembly 22 can be a rotary drive motor as in the prior art, or a hand crank fixedly connected to the mounting net assembly 21. The operator can control the duration of airflow direction from any side of the instrument to the upper cover as needed, making it flexible to use. By driving the mounting net assembly 21 to rotate through the drive assembly 22, the instrument can be fully exposed to the airflow, avoiding uneven drying in certain areas. During rotation, the airflow evenly sweeps the surface of the instrument, accelerating moisture evaporation and improving drying efficiency. The mounting net assembly 21, in conjunction with the drive assembly 22, can drive the instrument to rotate, which is beneficial for the airflow to dry the instrument and increases the area of ​​the instrument and the airflow. The top surface of the upper cover 10 is provided with an air inlet pipe 11 that is tightly connected to an external air gun so that the air gun blows air towards the mounting net assembly 21. The air inlet pipe 11 is provided with a first valve 12 to facilitate control of the airflow input.

[0025] In this embodiment, the instrument can be an ultrasonic scalpel or other instruments in the prior art.

[0026] Within the enclosed cavity 01, below the mounting mesh assembly 21, are sequentially arranged a first support 23, a second support 24, and an exhaust pipe 25. A first filter layer 26 for adsorbing moisture is detachably mounted on the first support 23; a second filter layer 27 for adsorbing aerosols is detachably mounted on the second support 24. In this embodiment, the first filter layer 26 is primarily responsible for adsorbing moisture (such as condensate and steam), while the second filter layer 27 is used to adsorb aerosol particles (such as microorganisms and organic particles), forming a step-by-step filtration mechanism of "dehumidification first, then aerosol removal," improving the overall purification effect and ensuring that aerosols generated during the drying process are treated immediately. Furthermore, both the first and second filter layers 26 and 27 are detachable, facilitating regular replacement or cleaning and extending the device's lifespan. A second valve 28 is provided on the exhaust pipe 25, and the outlet end of the exhaust pipe 25 is connected to an external aerosol collection device. The overall structure of this device is suitable for medical, laboratory, and other scenarios with high cleanliness requirements. Through the enclosed cavity and high-efficiency filtration, it significantly reduces the risk of aerosol contamination of the operating environment, protecting the health of operators.

[0027] Furthermore, the outer surface of the upper end of the lower housing 20 is provided with a first annular step 201 that fits into the upper cover 10; a first sealing ring 31 is embedded in the upper end face of the first annular step 201; a second sealing ring 32 is embedded in the lower end face of the upper cover 10; at least a portion of both the first sealing ring 31 and the second sealing ring 32 is exposed to facilitate inspection of the sealing status; the interference fit design ensures that the upper cover 10 and the lower housing 20 form a tight seal when installed, effectively preventing aerosol leakage from the connection point and solving the problem of poor sealing at the edge of traditional open covers; when the upper cover 10 and the lower housing 20 are installed, the outer surface of the first sealing ring 31 and the outer surface of the second sealing ring 32 fit together with an interference fit; the first sealing ring 31 and the second sealing ring 32 form a sealing assembly 30, which is tightly connected.

[0028] Furthermore, the upper and lower portions of the first sealing ring 31 and the second sealing ring 32 are staggered, forming multiple sealing lines, making it more difficult for aerosols to escape from the gaps, thus forming a "labyrinth-like" sealing structure and effectively improving the sealing level. Optionally, the first sealing ring 31 and the second sealing ring 32 can also be arranged symmetrically, thereby ensuring that the two sealing rings are subjected to uniform force, avoiding local sealing failure caused by installation deviation or long-term use, and thus improving the overall sealing reliability.

[0029] Furthermore, the installation mesh assembly 21 includes two rotating disks 211 respectively rotatably mounted on opposite inner sides of the lower housing 20, a first mesh plate 212 connecting the two rotating disks 211, a second mesh plate 213 clamping and fixing the instrument onto the first mesh plate 212, and multiple locking fasteners 216 for locking the first mesh plate 212 and the second mesh plate 213. The first mesh plate 212 also has a first through hole 215 to avoid the operating head of the instrument. The size of the first through hole 215 is larger than the size of the operating head, which facilitates the airflow to directly and comprehensively rinse the front of the operating head. The locking fasteners consist of screws and nuts as in the prior art, or they can be fastening wires as in the prior art. The handle part of the instrument operating head is clamped and fixed between the first mesh plate and the second mesh plate. The two rotating disks 211 are symmetrically arranged and fixed on opposite sides of the lower housing 20, which can provide stronger support, keep the first mesh plate 212 stable during rotation, and prevent shaking or displacement due to airflow impact or uneven weight of the instrument. The second mesh plate 213 is detachably connected to the two rotating disks 211. After disassembly, the second mesh plate 213 can be cleaned or sterilized individually to avoid cross-contamination, making it particularly suitable for medical, laboratory, and other scenarios with high cleanliness requirements. In this embodiment, the first mesh plate 212 is replaceable, and the size of the first through hole 215 of each first mesh plate 212 can be different.

[0030] Alternatively, the second mesh plate can also be fixedly connected to the rotating disk by screws, making disassembly simple. In this embodiment, the second mesh plate 213 is provided with a second through hole 217 corresponding to and communicating with the first through hole 215. Similarly, the size of the second through hole 217 is larger than the size of the operating head, which facilitates the airflow to directly and thoroughly rinse the back of the operating head.

[0031] In this embodiment, the two rotating disks 211 are symmetrically provided with slots 214 on their inner surfaces; the two ends of the second mesh plate 213 are respectively provided with locking parts (not shown in the figure) that are interference-fitted with the two slots 214. When the operator replaces or cleans the second mesh plate 213, he only needs to pull the locking parts out of the slots, saving time and reducing the difficulty of operation.

[0032] Furthermore, multiple slots 214 are provided and evenly distributed along the rotating surface of the rotating disk 211; both ends of the second mesh plate 213 are interference-fitted with any of the symmetrical slots 214. Operators can select different slot positions for installation according to the size, shape, or drying requirements of the instrument, improving the versatility of the device; it is suitable for instruments of different lengths or types, making it easy to adapt to different application scenarios and improving the adaptability of the device.

[0033] Furthermore, the first bracket 23 includes a second annular step 231 fixedly connected to the inner surface of the lower housing 20; the second annular step 231 serves as a transition structure between the bracket and the lower housing, enhancing the support capacity of the bracket within the housing and preventing loosening or displacement of the bracket due to airflow impact or vibration. The first filter layer 26 is fixedly fitted with the mounting groove 231 on the second annular step 231 through an interference fit. In this embodiment, the structure of the second bracket 24 is the same as that of the first bracket 23. In this embodiment, both the first and second brackets have L-shaped cross-sections; through the interference fit between the mounting groove 231 on the second annular step 231 and the first filter layer 26, the filter layer can be quickly installed and firmly fixed without the need for auxiliary fasteners such as screws or clips, simplifying the installation process.

[0034] Furthermore, the first filter layer 26 and the second filter layer 27 are arranged in parallel. This parallel arrangement ensures a more uniform airflow distribution as the air passes through both filters, reducing localized airflow disturbances and avoiding dead zones, thereby improving drying efficiency. The parallel arrangement of the two filter layers ensures balanced airflow force as it passes through both filter materials, reducing uneven resistance and improving overall airflow stability. The parallel structure also allows both filter layers to function simultaneously, preventing one layer from failing due to tilting or misalignment, thus improving filtration efficiency and system reliability.

[0035] Furthermore, the second filter layer 27 includes a filter plate 271; the filter plate 271 has a plurality of evenly distributed filter holes 272; the filter holes 272 gradually decrease in size from top to bottom. The filter holes gradually decrease in size from top to bottom, forming a "gradient filtration" effect. Larger particles are intercepted at the top, while smaller particles gradually enter the finer filter holes at the bottom, realizing multi-stage filtration and improving the overall adsorption efficiency.

[0036] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. An aerosol adsorption protection device for instrument drying, characterized in that, The device includes an upper cover and a lower housing detachably connected to the upper cover. The upper cover and the lower housing are sealed together by a sealing assembly to form a closed cavity. A mounting net assembly for securing instruments is rotatably mounted on the lower housing within the closed cavity, along with a drive assembly that rotates the mounting net assembly. The top surface of the upper cover has an air inlet pipe that is tightly connected to an external air gun so that the air gun blows air towards the mounting net assembly. A first valve is provided on the air inlet pipe. Below the mounting net assembly within the closed cavity, a first support, a second support, and an exhaust pipe are sequentially arranged. A first filter layer for absorbing moisture is detachably mounted on the first support. A second filter layer for absorbing aerosols is detachably mounted on the second support. A second valve is provided on the exhaust pipe, and the outlet end of the exhaust pipe is connected to an external aerosol collection device.

2. The aerosol adsorption protection device according to claim 1, characterized in that, The outer surface of the upper end of the lower housing is provided with a first annular step that is inserted into the upper cover; a first sealing ring is embedded in the upper end face of the first annular step; a second sealing ring is embedded in the lower end face of the upper cover; when the upper cover and the lower housing are installed in place, the outer surface of the first sealing ring and the outer surface of the second sealing ring are in interference fit; the first sealing ring and the second sealing ring constitute the sealing assembly.

3. The aerosol adsorption protection device according to claim 2, characterized in that, The first sealing ring and the second sealing ring are arranged with their upper and lower parts staggered or symmetrically arranged.

4. The aerosol adsorption protection device according to any one of claims 1-3, characterized in that, The installation net assembly includes two rotating disks respectively rotatably set on opposite inner sides of the lower housing, a first net plate connecting the two rotating disks, a second net plate clamping and fixing the instrument to the first net plate, and a locking fastener for locking and fixing the first net plate and the second net plate; the first net plate is also provided with a first through hole to avoid the operating head of the instrument; the second net plate is provided with a second through hole corresponding to and communicating with the first through hole; both the first net plate and the second net plate are detachably connected to the two rotating disks.

5. The aerosol adsorption protection device according to claim 4, characterized in that, The two rotating disks have symmetrical slots on their inner surfaces; the two ends of the second mesh plate are respectively provided with snap-fit ​​parts that engage with the two slots.

6. The aerosol adsorption protection device according to claim 5, characterized in that, Multiple slots are provided and are evenly distributed along the rotating surface of the rotating disk; the two ends of the second mesh plate are engaged with any of the symmetrical slots.

7. The aerosol adsorption protection device according to claim 1, characterized in that, The first bracket includes a second annular step that is fixedly connected to the inner surface of the lower housing; the first filter layer is fixedly fitted with the mounting groove on the second annular step by an interference fit.

8. The aerosol adsorption protection device according to claim 1, characterized in that, The first filter layer and the second filter layer are arranged in parallel.

9. The aerosol adsorption protection device according to claim 1, characterized in that, The second filter layer includes a filter plate; the filter plate is provided with a plurality of evenly distributed filter holes; the filter holes gradually decrease in size from top to bottom.

10. The aerosol adsorption protection device according to claim 1, characterized in that, The top cover is made of a transparent material.

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