TWI541047B - Endonasal filter - Google Patents

Description

Nasal filter

The present invention relates to a device for filtering ambient air, and more particularly to an improved nasal filter for supporting a puncture nasal nail.

In certain situations where it is desirable to avoid more or less severe damage to breathing and other systems, the need to filter ambient air becomes paramount. Such needs arise, for example, in motor vehicles, particularly in areas where diesel is heavily operated. Other sources of air pollution have been found to produce dust in certain industrial processes, such as cutting marble in buildings, or in car body painting. Even in the natural environment where little human activity is present, there are various forms of pollution such as pollen and bacteria. However, it is the same at home, especially in the winter when there is heating, there will be pollution caused by mite, hair from animal coats and household dust. Such particles generally have a diameter of about 0.5 μm or more.

Air filtration devices can be divided into two broad categories: filters installed at the entry point of a confined space, and filters installed on the device worn by the person. The invention is only relevant to the latter. Masks are best known in a variety of different styles, with more or less ingenious filters depending on the type of contamination, from complex gas masks to simple surgeons. The mask includes a filter assembly that is shaped like a face, including the nose, mouth, and chin. The filter assembly circumvents the head by means of a strap or elastic band, which closes the nose and mouth so that air cannot enter along the edge, but the material must be made through the filter. For this reason, dense cotton fabrics are usually used. More generally, air can be filtered by various natural or synthetic materials such as nonwovens, cotton fibers, microporous resins, carbon particles, and various salts.

Although efficient, the mask looks uncomfortable and seems useless unless air pollution is high enough to require full filtration. For low-level pollution, careful consideration is given to increasing the filtering function of the nasal cavity. However, keeping the mouth free is not possible if a mask is worn. There have been devices for introducing purified air or oxygen directly into the nasal cavity, which consist of two plastic tubes joined to the nasal pillow, which are then inserted into the nostrils and positioned around the back of the head with a sling. Of course, these devices require individual filters or oxygen cylinders. Therefore, they are cumbersome and difficult to carry.

Figures 1 through 3 show an air filter that is placed in the nose and is the subject of the same applicant's patent application PCT/IT2006/000882.

Figure 1 shows a nasal filter having two substantially flat filter members 1, 2 adjacent each other, in the shape of a half moon, acting as a spring by the connecting element 3. The element 3 is a linear portion in which the arch 4 is lengthened to form two parallel shanks 5, 6 extending as far as the filter assembly 1, 2 reaches a fixed length perpendicular to the face in contact with the shank. The shank is curved to resemble the shape 7, 8 of the eyelet, which is closer to the inner edge than the outer edge and more than half of its length dimension. The filter elements 1, 2 are thinner than the diameter of the linear connecting element 3 and are glued to the perforations 7, 8 placed thereon. Although the components 1 and 2 are so thin, the greater thickness of the apertures 7, 8 and their extension impart a degree of rigidity to the central region of the filter assemblies 1, 2 to aid in their insertion into the desired depth.

Figure 2 shows an example of how to apply the nasal filter of Figure 1. The base of the nose 11 is visible from the side of the nostrils 13, 14 and the two filter assemblies 1, 2 are inserted into the nostrils 13, 14 and are connected to the connecting element 3 across the cartilage nostrils separating the nose. The filter assemblies 1 and 2 are substantially flat and have a half-moon shape like a lumen at the entrance to the nose to accommodate differently shaped nostrils because, although the shape of the nostrils is different, the lumen is similar to each other. The surface area of one face of the filter assembly is slightly larger than the cross-sectional area of the nasal canal to allow for inward bending along the edge portion to fully adhere to the lumen wall.

Figure 3 shows the contour of the nose 11 and the connecting element 3 transverse to the cartilage 12, which is like a spring, keeping the filter assemblies 1, 2 in the position shown by the dashed lines. By inserting the nostrils 13, 14 into the nostrils 13, 14 and holding the arches 4 with two fingers, they are pushed into the nasal cavity. This causes the shanks 5, 6 to separate, thereby bending the arch 4, and the resilient arches 4 tend to return to their original shape and exert opposing forces on the cartilage 12, keeping the filter in place. The filter assembly 2 (also applicable to 1) is slightly inwardly curved due to its larger cross-section than the cross-sectional area of the pipe inlet. In this way, the air is not filtered, ie it cannot enter on the side.

As seen in Figure 3, it will be seen that the arch 4 and the ends of the handles 5 and 6 adjacent thereto protrude from the nostrils and have a rather uncomfortable appearance.

The object of the present invention is to overcome the above disadvantages; thus, the standard ambient air filtering device of the present invention comprises:

- two planar nasal filter assemblies, in the shape of a half moon, shaped like the lumen of the inlet tube of the nasal cavity;

- a U-shaped flexible element that fits over the cartilage between the two nostrils to form an imaging spring, a U-shaped shank that is perpendicular to the surface of the two filter assemblies, the ends of which are curved to form two elliptical curved portions, resting on individual filters One side of the component and adhered thereto;

Wherein, the device according to the invention further comprises:

- A pendant, hung in the center of the U-shaped piece, embedded with a small multi-angled diamond to simulate the imitation puncture nose as in item 1 of the patent application.

Further features of the invention that are considered innovative are set forth in the scope of the dependent patent application.

In one example of the invention, the pendant is a body portion of the U-shaped flexible member.

In an alternative, the pendant integrally includes means for attaching it to the U-shaped flexible element. This advantage makes the polygons replaceable.

In another alternative, the nasal filter further includes means for attaching the pendant to the U-shaped flexible member, the means having:

- a first anti-bending flexible element that can be joined by a pressure to a cylinder of a U-shaped element that elastically clamps it;

- a second anti-bending flexible element, a partially spherical half moon portion, connectable to an elliptical pendant by pressure, the second element being formed as a single piece with the first element.

The advantage is that the two pendants and the brilliables are interchangeable.

The pendant with a built-in polygon can be of any desired shape, such as a disc shape, or a nose with a polygonal diamond at the end, or other forms. A diamond or other preferred stone can be used instead of a polygon.

[Advantages of the Invention]

The present invention combines the practicality of a nasal filter with the aesthetic needs of the wearer by masking how many unpleasant springs are placed across the septum of the nasal septum to secure the filter assembly. Shielding not only hides the spring, but also attracts the eye to highlight the small gem from the nose as if it were a pierced nose. Especially for young people, this idea may be interesting. For those living in cities where pollution may occur, the invented filter can be used to replace the nose piercing and avoid any adverse health effects of using these devices.

[Detailed Description of Implementation of Certain Preferred Forms of the Invention]

Further objects and advantages of the present invention will be apparent from the following detailed description of the appended claims.

In the following description, equal parts appearing in different drawings may be labeled with the same symbols. In the description of the drawings, reference may be made to elements that are not explicitly shown in the drawings but are clearly illustrated in other figures. The ratio of each component described is not necessarily equivalent to the actual object.

Figure 4 shows a nasal filter 20 comprising two adjacent filter assemblies 21, 22 which are generally flat and half moon shaped with a connecting element 23 therebetween. This element is a single flexible wire sheet used as a spring in addition to a central elliptical element 24 carrying a small polygonal diamond 25 embedded in the central aperture and bonded or bonded. The linear element 23 is bent at the arch 26, the end of which forms two parallel shanks 27, 28 extending as far as the two filter assemblies 21, 22 to a predetermined length, at which point the ends are curved to form Two separate apertures 29, 30, located in a plane perpendicular to the shank, rest against the filter assemblies 21, 22 at a location closer to their inner edge than their outer edges. The elliptical member 24 is an integral part of the linear connecting member 23 that extends orthogonally from the center of the U-shaped member toward the projection, that is, hangs downward during use.

The thickness of the filter assemblies 21, 22 adhered to the apertures 29, 30 must be less than the diameter of the linear member 23. And the fact that it extends over one half of the length of the filter assemblies 21, 22 imparts some degree of rigidity to the central region of the components, which facilitates their insertion into the interior of the nasal cavity to a desired depth.

As for the materials used for the filter assemblies 21, 22, it is possible to select from those known, such as polyethylene, but at the same time pay attention to the use of a reduction to a minimum thickness to avoid the need to disturb normal breathing. Experts in this field can choose the material and thickness of the type of pollution that they are trying to resist. For example, the connecting element 23 is of a polyethylene plastic material, preferably transparent, as well as the pendant 24. If the filter assemblies 21, 22 are also made of polyethylene, that is, no glue is required to permanently secure the eyelets 27, 28, since pressing the filter assembly to the material while maintaining heat during compression is sufficient for this purpose.

The type of material used for the connecting element 23, its thickness, the radius of the curve of the arch 26 and the length of the two shanks 27, 28 must ensure that the elastic fits properly against the cartilage between the nostrils, and the two filter assemblies 21, 22 The proper depth in the nostrils is as far as the lumen of the entrance lumen of the nasal cavity. These features can also be easily incorporated from general knowledge. The descriptions described in Figures 2 and 3 also apply to the nasal filter of Figure 4. Fig. 4A particularly shows an arch portion with a pendant 24 spanning the septal cartilage, and a polygon 25 embedded therein, which does look like a piercing nose pin on the nose.

Fig. 5 is a section along the center plane of the filter of Fig. 4, whereby it is seen that the elliptical pendant 24 is a body portion of the linear member 23 in the region of the arch portion 26. The pendant 24 is obtained in the same forming process of the plastic element 23. A polygon 25 protrudes on both sides of the element 24 to emphasize transparency.

Figure 6 shows a filter 32 consisting of the filter of Figure 1 and an elliptical element 33 that depends from the arch 4 to show a central small polygon 25 of the center. Unlike the filter of Fig. 4, the pendant 33 does not constitute a part of the arch 4 but is mounted thereon by pressing. To this end, the pendant is fixed to the coupling element 34, as will be more clearly seen in the exploded view of the lower part of the figure. The element 34 is similar to a coupling sleeve which is cut along the longitudinal plane to obtain two curved arms having an angular extension of more than 90°, and thus can be elastically opened to accept the flexible element 3 having a cylindrical section, as if The pliers clamp it. The pendant 33 has a central aperture 35 through which a polygonal 25 can be pushed in.

Figure 7 is a section along the center plane of the filter of Figure 6. The figure shows a joining element 34 which forms part of the pendant 33 with its two curved arms embracing the arch 4 of the flexible element 3 with a polygonal 25 embedded in the middle.

Figure 8 shows a filter 38 consisting of the filter of Figure 1 and an elliptical element 39 which shows from the arch 4 a small polygonal diamond 25 embedded in the center. The pendant 39 is coupled to the filter by a pressure-operated coupling element 40. Unlike the filter of Fig. 6, the element 40 does not form part of the pendant 39 but is fixed thereto by pressure. In this way, the pendant 39 is freely available for purchase from many stores. To be consistent with the foregoing embodiments, the pendant 39 can be made of plastic with a hole in the middle into which a polygonal 25 can be pressed. The details of the joining element 40 can be seen more clearly in the exploded view of the lower part of the figure. The upper portion of element 40 includes a semi-open connection sleeve similar to element 34 that is adjacent to the two partial spherical lumens 43 in lieu of continuing to be a pendant, resiliently open to receive the pendant 39, and clamped like a pair of pliers.

Figure 9 is a side elevational view of the filter pendant of Figure 8, showing that the coupling element 40 grips the arch 4 of the connecting element 3 with its curved arms, and its two partial spherical lumens 43, 44 grip the pendant 39 and There is a small polygon 25 embedded in the middle.

It will be apparent to those skilled in the art that certain modifications may be made without departing from the scope of the inventions.

20. . . Nasal filter

21, 22. . . Filter component

twenty three. . . Linear component

twenty four. . . Pendant

25. . . Multi-angle diamond

26,4. . . Arch

27, 28. . . handle

29, 30. . . Eyelet

32. . . filter

33. . . Pendant (elliptical component)

34. . . Linking component

35. . . Center hole

38. . . filter

39. . . Pendant

40. . . Linking component

43, 44. . . Partial spherical half moon

Figure 1 provides a perspective view of a nasal filter according to the prior art.

Figures 2 and 3 show how the nasal filter of Figure 1 is installed.

Figure 4 shows a modification of the filter of Figure 1 in accordance with the present invention.

Fig. 4A shows the appearance of the filter of Fig. 4 in use.

Figure 5 is a section along the center plane of the filter of Figure 4.

Fig. 6 shows a variation of the filter of Fig. 4.

Figure 7 is a section along the center plane of the filter of Figure 6.

Fig. 8 shows a second variation of the filter of Fig. 4.

Figure 9 is a side view of the pendant on the filter of Figure 8 with the nose ring perforated.

20. . . Nasal filter

21, 22. . . Filter component

twenty three. . . Linear component

twenty four. . . Pendant

25. . . Multi-angle diamond

26. . . Arch

27, 28. . . handle

29, 30. . . Eyelet

Claims (3)

A nasal filter comprising: - two planar nasal filter assemblies (21, 22) in the shape of a half-moon shaped, shaped like a lumen of a nasal lumen; - U-shaped flexible elements (23, 3), over two nostrils The cartilage is assembled between the imaging springs, U-shaped shanks (27, 28), perpendicular to the surface of the two filter assemblies (21, 22), the ends of which are curved to form two elliptical portions (29, 30), resting On one side of the individual filter elements and adhered thereto; characterized in that it also includes: - a pendant (24, 33, 39) hanging in the center of the U-shape with a small polygonal diamond embedded to mimic the puncture nose The small polygonal diamond protrudes substantially symmetrically on both sides of the pendant; wherein the pendant (33) includes attachment means (34, 40) that span the U-shaped flexible member (3). The nasal cavity filter of claim 1, wherein the attachment means (34) forms a body portion of the pendant (33). The nasal cavity filter of claim 1, wherein the connecting means (40) has: - a first anti-bending flexible member (42), which can be fastened by elastic coupling to the U-shaped member (3) a cylinder; and - a second anti-bending flexible element (43, 44), similar to a partial spherical half moon portion, connectable to an elliptical pendant (39) by pressure, the second element and the first element (42) ) formed as a single piece.