Dental handpiece protective cover with oil absorbing paper

Abstract

The utility model provides a dental handpiece protective sheath with oil absorption paper, including instruction card and oil absorption paper, and the oil absorption paper is attached with the instruction card. The instruction card is equipped with a plurality of fixed belts; the oil absorption paper adopts gradient aperture structure, and the oil absorption paper includes an isolation layer, an oil absorption layer and an oil storage layer. Before high-pressure steam sterilization of the dental handpiece, the dental handpiece needs to be oiled inside, then the dental handpiece is placed into the dental handpiece protective sheath, the dental handpiece protective sheath is packed into a paper-plastic packaging bag, and the paper-plastic packaging bag is placed into a sterilization pot for sterilization. The utility model can effectively absorb the lubricating oil overflowed from the dental handpiece in the high-pressure steam sterilization process.

Description

Technical Field

[0001] This utility model relates to the field of packaging sleeves, and more particularly to a dental handpiece protective case with oil-absorbing paper. Background Technology

[0002] Dental handpieces require cleaning and maintenance after each use. The sterilization and maintenance process for dental handpieces involves applying lubricating oil after cleaning and before sterilization to ensure the handpiece bearings are lubricated, followed by pressurized steam sterilization. After lubrication, the dental handpiece is packaged in paper-plastic packaging material. Paper-plastic packaging for instruments offers advantages such as high visibility, prevention of particulate contamination, long shelf life, and aseptic opening. Therefore, paper-plastic packaging is commonly used for all reusable dental instruments.

[0003] The pressure steam sterilization process includes a negative pressure vacuum procedure, which removes the lubricating oil from the bearing, resulting in oily wet packaging. Oil stains on the paper-plastic bag surface can cause the packaging material's microbial barrier function to fail, allowing microorganisms to easily penetrate the sterile items inside the package through the moist channels, causing contamination. If the problem of wet packaging is avoided by reducing the amount of oil injected, insufficient oil may be injected, failing to adequately lubricate the turbine and prevent it from reaching its normal rotational speed. Therefore, an optimized packaging solution is crucial. In existing technologies, the high oil content and poor antibacterial properties of the paper-plastic packaging bags after high-pressure steam sterilization ultimately lead to sterilization failure and require further improvement and development. Summary of the Invention

[0004] To address the aforementioned issues, this utility model provides a dental handpiece protective case with blotting paper, including an indicator card and blotting paper.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an oil-absorbing paper is provided on the indicator card, and the oil-absorbing paper is attached to the surface of the indicator card.

[0006] The oil-absorbing paper comprises a separating layer, an oil-absorbing layer, and an oil-retaining layer. The separating layer has large pores and a honeycomb porous structure; the oil-absorbing layer has mesopores and a dendritic channel structure; and the oil-retaining layer has micropores and a nanofiber network structure. There are two separating layers, one oil-absorbing layer, and one oil-retaining layer, arranged from top to bottom as follows: separating layer, oil-absorbing layer, oil-retaining layer, and separating layer.

[0007] The dental handpiece protective case with blotting paper also includes a retaining sleeve, which is a long strip and is integrated with the indicator card.

[0008] The indicator card is made of an elastic material, and the oil-absorbing paper is made of a high-temperature and high-pressure resistant material.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: When the dental handpiece protective cover with oil-absorbing paper is sterilized in a high-pressure steam sterilizer, if lubricating oil is extracted from the dental handpiece, the large pores and honeycomb structure of the isolation layer will quickly guide oil molecules to the oil-absorbing layer, reducing oil molecule retention on the indicator card and dental handpiece surface. After the oil molecules are guided to the oil-absorbing layer, the mesopores and dendritic fractal pore structure of the oil-absorbing layer will quickly absorb the oil molecules. If too much lubricating oil is extracted, the unabsorbed oil molecules will flow into the oil storage layer. The micropores and nanofiber network structure of the oil storage layer can anchor the excess oil molecules, preventing backflow. Finally, the isolation layer separates the oil-absorbing layer and the oil storage layer from the paper-plastic packaging bag, preventing the absorbed oil molecules from contacting the paper-plastic packaging bag. This solves the problem of oil stains and high oil encapsulation rate on the paper-plastic packaging bag surface after high-pressure steam sterilization, which affects the antibacterial properties of the paper-plastic bag surface. Attached Figure Description

[0010] Figure 1 This is a perspective view of the dental handpiece protective case with oil-absorbing paper according to this utility model;

[0011] Figure 2 This is an open view of the dental handpiece protective cover with oil-absorbing paper according to this utility model.

[0012] Figure 3 This is a separate view of the oil-absorbing paper in the dental handpiece protective case with oil-absorbing paper according to this utility model.

[0013] Figure 4 This is a perspective view of the oil-absorbing paper in the dental handpiece protective case with oil-absorbing paper according to this utility model.

[0014] Figure 5 This is a right-side cross-section of the oil-absorbing paper in the dental handpiece protective case with oil-absorbing paper of this utility model.

[0015] Figure 6 This is a cross-sectional view of the isolation layer of the dental handpiece protective case with oil-absorbing paper according to this utility model.

[0016] Figure 7 This is a cross-sectional view of the oil-absorbing layer of the dental handpiece protective case with oil-absorbing paper according to this utility model;

[0017] Figure 8 This is a cross-sectional view of the oil reservoir layer of the dental handpiece protective case with oil-absorbing paper according to this utility model.

[0018] In the diagram: 1. Indicator card; 2. Fixing sleeve; 3. Oil-absorbing paper; 100. Isolation layer; 200. Oil-absorbing layer; 300. Oil storage layer; 101. Macropore; 201. Mesopore; 301. Micropore. Detailed Implementation

[0019] To provide a better understanding of the purpose, structure, features and functions of this utility model, detailed descriptions are provided below with reference to the embodiments.

[0020] Please refer to the reference. Figure 1 and Figure 2 An embodiment of the present invention is a dental handpiece protective case with oil-absorbing paper, comprising an indicator card 1, a fixing sleeve 2, and oil-absorbing paper 3.

[0021] The indicator card 1 is a long, strip-shaped card. Several fine slits are cut into the upper surface of the indicator card 1. The length of each slit is less than the width of the indicator card 1, and the depth of the slits is equal to the thickness of the indicator card 1. A retaining sleeve 2 is formed between two adjacent slits. The retaining sleeve 2 and the indicator card 1 are an integral structure. The retaining sleeve 2 can be pulled upwards to form an arch-like structure. The indicator card 1 is made of an elastic material, and the retaining sleeve 2, when pulled open without external force, will gradually return to its original shape. The oil-absorbing paper 3 has a gradient porosity structure and is attached to the lower surface of the indicator card 1.

[0022] like Figure 3 , Figure 4 and Figure 5 As shown, the oil-absorbing paper 3 includes an isolation layer 100, an oil-absorbing layer 200, and an oil-storing layer 300.

[0023] like Figure 3 and Figure 5 As shown, the oil-absorbing paper used for disinfection and sterilization of dental handpieces has a four-layer gradient pore structure, which, from top to bottom, consists of a first isolation layer 100, a second oil-absorbing layer 200, a third oil-storing layer 300, and a fourth isolation layer 100.

[0024] The isolation layer 100 has large pores 101 with a size range of 50-200μm. The large pores 101 can quickly guide oil molecules and reduce surface retention.

[0025] Furthermore, the isolation layer 100 has a honeycomb porous structure. The honeycomb porous design allows for rapid oil absorption while minimizing the contact area between the oil-absorbing paper and the object.

[0026] The oil-absorbing layer 200 is made of mesopores 201 with a size range of 10-100μm. The oil-absorbing layer 200 is the dominant area of ​​capillary action, and the use of mesopores 201 can improve the oil absorption rate.

[0027] Furthermore, the oil-absorbing layer 200 has a dendritic fractal channel structure, and the design of the dendritic fractal channel structure further accelerates the penetration of oil molecules.

[0028] The oil storage layer 300 uses micropores 301 with a size range of 1-10μm. The micropores 301 can anchor oil droplets at the molecular level, thereby locking in oil and preventing backflow.

[0029] Furthermore, the oil reservoir 300 has a nanofiber network structure, which further enhances the oil molecule anchoring function of the oil reservoir 300.

[0030] like Figure 4 As shown, the oil-absorbing paper 3 consists of two isolation layers 100, one oil-absorbing layer 200, and one oil-storing layer 300 stacked together as a whole, forming a thin sheet structure.

[0031] Furthermore, since the oil-absorbing paper (3) is to be used in a high-pressure steam sterilizer, the oil-absorbing paper is made of high-temperature and high-pressure resistant materials, including but not limited to medical-grade polypropylene (PP) meltblown fabric, polytetrafluoroethylene (PTFE) composite film, siliconized glass fiber, and polyether ether ketone (PEEK) nanofiber.

[0032] In use, pull open the retaining sleeve 2, making it arch-shaped. Insert the dental handpiece to be sterilized into the opened retaining sleeve 2. After the external force is removed, the retaining sleeve 2 will return to its original shape, clamping the dental handpiece and fixing it to the indicator card 1. Once the dental handpiece is fixed to the indicator card 1, place the dental handpiece protective cover with oil-absorbing paper into the paper-plastic packaging bag, and then place the paper-plastic packaging bag into an autoclave for sterilization.

[0033] As described above, in the dental handpiece protective cover with oil-absorbing paper of this utility model, when sterilized in a high-pressure steam sterilizer, if lubricating oil is extracted from the dental handpiece, the large pores 101 and honeycomb structure of the isolation layer 100 will quickly guide oil molecules to the oil-absorbing layer 200, reducing the retention of oil molecules on the indicator card 1 and the surface of the dental handpiece. Once the oil molecules are guided to the oil-absorbing layer 200, the mesopores 201 and dendritic fractal pore structure of the oil-absorbing layer 200 will quickly absorb the oil molecules. If the extracted... If there is too much lubricating oil, the unabsorbed oil molecules will flow into the oil storage layer 300. The micropores 301 and nanofiber network structure of the oil storage layer 300 can anchor the excess oil molecules and prevent the backflow of oil molecules. Finally, the isolation layer 100 separates the oil absorption layer 200 and the oil storage layer 300 from the paper-plastic packaging bag, so that the absorbed oil molecules will not come into contact with the paper-plastic packaging bag. This solves the problem that the paper-plastic packaging bag has oil stains on the paper surface after high-pressure steam sterilization, and the high oil encapsulation rate affects the antibacterial properties of the paper surface.

[0034] This utility model has been described by the above-described embodiments; however, these embodiments are merely examples for implementing this utility model. It must be noted that the disclosed embodiments do not limit the scope of this utility model. Conversely, any modifications and refinements made without departing from the spirit and scope of this utility model are within the scope of patent protection of this utility model.

Claims

1. A dental handpiece protective cover with oil absorbing paper, comprising an instruction card (1), characterized in that: The indicator card (1) is provided with an oil-absorbing paper (3), which is attached to the surface of the indicator card (1). The oil-absorbing paper (3) includes an isolation layer (100), an oil-absorbing layer (200), and an oil-storing layer (300). The oil-absorbing paper has a four-layer gradient pore structure, which is arranged from top to bottom as follows: the first isolation layer (100), the second oil-absorbing layer (200), the third oil-storing layer (300), and the fourth isolation layer (100).

2. The dental handpiece protective sleeve with oil absorbing paper of claim 1, wherein: The oil-absorbing layer (200) adopts mesoporous (201) structure, which is a dendritic segmented channel.

3. The dental handpiece protective sleeve with oil absorbing paper of claim 1, wherein: The oil reservoir (300) is made of micropores (301) and has a nanofiber network structure.

4. The dental handpiece protective sleeve with oil absorbing paper of claim 1, wherein: The isolation layer (100) has large pores (101) and a honeycomb porous structure.

5. The dental handpiece protective case with oil-absorbing paper as described in claim 1, characterized in that: The isolation layer (100) has two layers, the oil-absorbing layer (200) has one layer, and the oil-storing layer (300) has one layer.

6. The dental handpiece protective case with oil-absorbing paper as described in claim 1, characterized in that: It also includes a fixing sleeve (2).

7. The dental handpiece protective case with oil-absorbing paper as described in claim 6, characterized in that: The fixing sleeve (2) is a long strip-shaped body and is an integral structure with the indicator card (1).

8. The dental handpiece protective case with oil-absorbing paper as described in claim 1, characterized in that: The indicator card (1) is made of an elastic material.

9. The dental handpiece protective case with oil-absorbing paper as described in claim 1, characterized in that: The oil-absorbing paper (3) is made of high-temperature and high-pressure resistant material.

Images