WO2005004993A1

WO2005004993A1 - A nasal filter

Info

Publication number: WO2005004993A1
Application number: PCT/CN2004/000789
Authority: WO
Inventors: Lixin Zhou
Original assignee: Lixin Zhou
Priority date: 2003-07-12
Filing date: 2004-07-12
Publication date: 2005-01-20
Also published as: CN1819857B; CN1476910A; CN1257755C; CN1819857A

Abstract

The invention relates to a nasal filter, which includes: a filter (5), which comprises two filter elements (8) each located in one nasal cavity, and the shape of said filter element(8) being suited for locating in the nasal cavity; and a retaining element (1), which is used to clip said filter (5), and retaining said filter in the nose. The invention is characterized that said filter element (8) is provided with a ruffle for increasing the filter area. The invention is used to replace the mask for protecting the respiratory system, or used as administration system for medical treatment or health care.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nasal filter, and more particularly, to a built-in nasal filter with multiple functions, which can replace a mask to protect the respiratory system, and can also be used as a drug delivery system for medical or health purposes. BACKGROUND OF THE INVENTION It is well known that the human respiratory system mainly includes a nasal trachea and a lung, wherein the nasal portion directly communicates with the atmosphere and is the first pass to purify the air entering the body. In daily life and medical care, the protective device for the nose can be divided into two types: built-in type and external type. The external type nasal filter typically includes a gas mask and a mask. This protection device for a gas mask to protect the respiratory system better efficiency Gao inconvenient and expensive but suitable for professionals or external environment extremely bad situation, is not suitable for everyday use masks, although the price is cheap and easy to use but cover an area of ₅ large stuffy feeling cover, comfort difference filtering protection effect is not very satisfactory _β Gao prior art also discloses a number of built-in nose guard. Chinese Utility Model Patent No.

942026098 discloses a pollution protection nasal mask, which is formed by connecting two conical nasal tubes through a nasal clip. One end or two ends of the conical nasal tube are pasted with ¾ elements. The filtering area of the pollution protection is relatively small, so the effect of I pollution is not ideal, and the inhalation and exhalation are equally expensive.

China utility model patent Γtan. 942234 9> § A multi-power # Tsui? The nose is composed of a cover body that can be inserted into the nostril and a cover located outside the hole. The cover body is composed of two cone-shaped elastic wall hoses connected by a beam. closely with the cover integrally, the cover lid from the inside with two thin annular cross arm connected together, constituting the outer cover, the cover has inner and outer filter layer, the fan beam and the cross arm is connected by fasteners ₀ The nasal mask cannot be fixed well in the nostrils and easily falls off the nostrils when exhaled shortly after use.

Chinese Utility Model Patent No. 962030953 discloses a concealed nasal mask, said nasal mask bag The nasal plug container includes a nasal plug container, a mesh pad, a bottom cover and a filter cotton body. The nasal plug container is connected by two adjacent ribs with a horizontal rib. The plug body has a container chamber inside and the top of the container chamber. A small-diameter through-hole is connected, and the surface of the mesh pad has a mesh hole pad, which can be fitted at the top of the accommodating chamber of the nasal stuffing container; the bottom cover covers the volume of the nasal stuffing container. At the bottom port of the plug chamber; the bottom end portion has a mesh hole, and a ring wall is convexly protruded upward from the end face of the bottom cover body; the filter cotton body is a stepped body, and the stepped ring wall is exactly adapted to the nasal plug The container's containment chamber is inside, and its small diameter is contained in the annular wall of the bottom cover. The structure of the nasal mask is complicated, the ventilation effect is not ideal, and it is easy to be blocked.

Chinese Utility Model Patent No. 992564557 discloses an invisible nasal mask, which includes a concealed nasal mask frame, a filter element, a frame bridge band, and a fixing clip; the frame bridge band connects the left and right frames, and the left and right frames are respectively installed in the frame A filter element is inserted, and the fixing clip is mounted on the bridge belt. The ventilation effect of the invisible nasal mask is also unsatisfactory and easy to be blocked.

Japanese patents JP1160572, JP2116385, JP8071170, and JP4256762 all disclose a built-in nasal filter, but they all also encounter the problem of mutual restriction of filtering effect and ventilation effect.

European patent EP1D7707 discloses that a built-in nasal filter ₃ is inconvenient to wear in or remove from the nostril, and is easy to loosen. International patent W09948562 discloses a nasal protection element, whose filtering effect is not ideal. The US patent US5890491 discloses a nasal filter with a solid filter element. The ventilation effects of the nasal filters disclosed in US patents US5485836 _¾ US5425559, and US4984302 are not ideal.

The disclosed built-in nasal filters are not very effective in solving the technical problem of mutual restriction of filtering effect and ventilation effect.

It is therefore an object of the present invention to provide a built-in nasal filter

Another object of the present invention is to provide a built-in nasal filter, the structure of which is not complicated, and the price is low.

Another object of the present invention is to provide a built-in nasal filter for single use. After being discarded. Another object of the present invention is to provide a built-in nasal filter that can be used as a drug delivery system for disseminating refreshing agents, fragrances, sleeping agents, or preparations for treating rhinitis or lung disease, etc. to the respiratory system. In ancient China, there were methods and practices of lung medicine, which can be administered through the lung and whole body blood to treat and prevent some diseases of the body. In order to achieve the first object of the present invention, the basic idea of the present invention is: On the one hand, the filtering effect is improved by increasing the filtering area on both the large-scale and small-scale levels; on the other hand, based on the This point needs to be filtered to address the effects on breathing. In order to achieve the objective of the present invention, a built-in nasal filter is provided, which includes: a filter device, the filter device includes two filter elements respectively located in a nasal cavity, and the shape of the filter element is suitable for insertion In the nasal cavity; and a holding device for holding the filtering device and holding the filtering device in the nose; characterized in that the filtering element has wrinkles that increase the filtering area. A filter element having a corrugated Chu as cigarette filters, can play a good filtering effect which increases the filtration area of the filter _Θ according to a first embodiment of the present invention comprises at least two cylindrical elements on a small scale in which the filter element ₃ One cylinder is inside the other and there is a gap between adjacent cylinders. Such a design achieves an increased filtering area on a large scale of the filtering element. Advantageously, the filter element has a double-cylinder structure _β . The double-cylinder structure of the filter element is composed of a cylinder and a frustum. Such hooks are practical and easy to manufacture. Advantageously, the structure has a filter element ₃ ^ dimensional table of which comprises an outer member and an inner frustum climbing platform body Cheung _Q which may be such that a junction citrate Lu nursery sheet-like materials village had prepared the filter element to chop The cost is very low. As described in Variation _5, the non-It has a solid structure matching the Saikong cavity. This auspicious structure helps to form more wrinkles to increase the filtration area. According to the first embodiment of the present invention, the filter element is composed of at least one layer of a sheet-like filter material. Many of the sheet-like filter materials existing in the prior art have a good filtering effect, and the air resistance is small. Advantageously, said filter element is composed of three layers of said sheet-like filter material, said filter element The wrinkles are formed on the middle layer, or the wrinkles are formed on two or three layers thereof. Such a filter element is beautiful in appearance and wrinkles are protected.

Advantageously, the folds of the filter element are in the form of straight or spiral teeth. Such wrinkles are both beautiful and easy to implement, wherein the spiral-toothed wrinkles help to adjust the length of the filter element.

Advantageously, the sheet-like filter material is an ultra-fine polypropylene fiber filter material or a polyester fiber material.

Advantageously, the sheet-shaped filter material is composed of a fiber filter material and an activated carbon material or activated carbon fiber.

Advantageously, the filter element (8) includes refreshing drugs, fragrance products, hypnotic drugs, or drugs for health, prevention or treatment of various diseases. The nasal filter thus has the function of keeping the driver awake, improving the air environment around the user, or making the insomnia sleeper.

Advantageously _s has the filter element comprises treating a respiratory disease drug administration _s of the filter element comprises treatment of rhinitis.

According to an embodiment of the present invention, the filtering device further includes a holding frame for holding the filtering element.

Advantageously the holder ₃ _s skeleton structure having a default frustum body comprising an outer member and an inner frustum frustum body _β is held fans frustum outer skeleton bone holder and at its bottom the annular body by a Will be connected like the bottom. The ring-shaped body holding the bone ¾ may be a ring shape of a flat western-shaped tooth-shaped fold. Such a knot-holding dog can be well matched with the passivation element.

Advantageously, the _three- way maintenance framework is constructed of ductile material. The holding frame is made of metal or metal.

Advantageously, the holding frame is made from a circular plate, and the circular plate is formed with a plurality of apertures, and the shape and number of the apertures are designed such that the deformation can be obtained by simple drawing deformation. The manufacturing cost of the holding skeleton _{Θ in} the form of a silent cone frustum is very low _Θ

That is, the filtering device according to the embodiment of the present invention includes a ventilation gang when the lungs inhale ₅ It is in a closed state, and when the lungs exhale, it is in an open state. This design effectively guarantees the ventilation effect.

Advantageously, the vent valve comprises a valve seat and a valve. This design is the simplest. Advantageously, the valve seat is a frustum-shaped single-piece member, which has an outer ring groove, which is located on the top of the frustum with a smaller diameter, and the valve seat is clamped to the holding frame through the outer ring groove. A central hole in the top of the inner frustum body; the valve is integrally formed by the filter element. Such a structure guarantees a longer service life of the nasal filter.

Advantageously, the top annular body of the inner frustum body has a central hole, the central hole has a slot, and a hole top protrusion is formed on the slot; the valve is a flat circle; the valve The connection portion with the filter element is located just below the hole top protrusion, so that the valve cannot return to its closed position due to the excessive swing amplitude.

As a variant, the valve seat is formed on the periphery of the central hole of the filter element; the valve is integrally formed by the filter element. The manufacturing cost of such a structure is low.

Advantageously, the ventilation opening of the pedestal includes a stent such as a cross bracket or other shape bracket _a, which can prevent the valve from being sucked into the ventilation opening.

According to an embodiment of the present invention, the holding device includes: a holding member for holding the filtering device; a connecting member for connecting the holding member; and a nose clip member _S for holding the filtering device. said nasal filter latching nose in _a low cost advantageously the holding means _S is a unitary member _Θ advantage that the manufacturing

The holding device of the scraped ground ₃ is assembled by a stand-up part, so that a filter can be manufactured.

Advantageously said material holding means ₅ may be bonded Optional t Yi from the metal salt material or a polymer. Advantageously, the nose clip component may be a clip-on type or a crimp type, such a design facilitates the installation or removal of the nasal filter.

As a variant, the holding device has only one clamping part and one connection part. In this variant ₅ the nasal filter is held in the racing department by the filtering device itself.

As a variant, the holding device has only one clamping member. Filter element in each nostril The pieces can be attached or removed independently.

Advantageously, the shape of the filtering device can be changed by the operation of the user's hand in order to fit the shape of the nostril cavity of the user.

Advantageously, the length of the filtering device can be changed by manipulation of the user's hand in order to fit the user's nostril cavity.

Advantageously, the built-in nasal filter can be equipped with various external nasal ornaments to be used as a woman's nose decoration, beautify her face or make up for some defects.

Advantageously, the nasal filter may have an external exhalation filter device, the external exhalation filter device includes a filter plate and a coupling device for filtering the odor emitted from the oral cavity when the speech is large. BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a front view of a first embodiment of the present invention;

FIG. 2 is a bird's-eye view of a first embodiment of the present invention; FIG.

3 is a cross-sectional view taken along A-A in FIG. 1 of the present invention;

4 is a perspective view of a first embodiment of the present invention;

5 is a front view of a second embodiment of the present invention;

6 is a top view of a second embodiment of the present invention;

Girl 7 E-B section girl in the present invention 5;

Girl 3 is a schematic diagram of a third embodiment of the present invention

m 9 is a schematic diagram of the implementation of the present invention

Figure 10 is a sectional view of the holding device of the present invention;

11 is a plan view of a holding device of the present invention;

12 is a sectional view of a first modification of the holding device of the present invention;

B is a high altitude country of the first modification of the holding device of the present invention;

14 is a cross-sectional view of a holding frame of the present invention; 15 is a plan view of a blank of the holding frame of the present invention before molding;

FIG. 16 is a top plan view of the inner frustum of the holding frame of the present invention; FIG.

17 is a sectional view of a valve seat of the present invention;

18 is a plan view of a valve seat of the present invention;

Figure 19 is a sectional view of a first modification of the valve seat of the present invention;

20 is a top view of a first modification of the valve seat of the present invention;

21 and 22 show the folded state of the sheet-like filter material of the present invention;

FIG. 23 is a front view of a first embodiment of a mask according to the present invention; FIG.

Figure 24 is a top view of a first embodiment of a mask of the present invention;

25 is a front view of a second embodiment of a mask according to the present invention;

_Β having a left side view of FIG. 26 masks the second embodiment of the present invention in various embodiments illustrated in the embodiments, the same or similar parts the same reference numerals. As shown in Figs. 1, 4 and 9, the built-in nasal filter generally includes a holding device 1 and a filtering device 2

As shown in Figure 2 _¾ 4-6 and §-13, the holding device 1 includes: a holding member 2 for holding the filter device; a connecting member for connecting the holding member and a nose clip member ^ Used to hold the filter in the Division. In 1- shown in the first and second examples of the present invention _3, the holding device 1 is generally horizontally shaped ₉ the connecting member 3 is connected to the clamping member: ^ and the card member.相连接。 Linked. The three parts of the holding device can be integrated as a whole or a combination of multiple independent parts. The material of the holding device can be selected from metal or polymer synthetic materials

2, 6, 11 and 12, the inner diameter of the clamping member 2 by the fans of the annular ring member composed of the two fans ₅ State 13 is substantially equal to the inner diameter of the ring of FIG nostril and an outer diameter than the designed The inner diameter of the nostril is large but it should not exceed the head of the nose too much. The links are connected by a connecting member 3 so that the center distance between the two rings is equal to the center distance between the nostrils. The holding Components are used to hold the filter device and ensure that the filter device does not enter the trachea under any circumstances. The clamping member is used for fixing the filtering element or the medicine, and sealing the nostril and the filtering device.

As shown in Figs. 1, 2, 4-6, 11 and 13, the connecting member 3 is arc-shaped or elongated. In the first, second and third embodiments, the connecting member 3 is directly connected to the nose card member 4; and in the fourth embodiment and its modification, the connecting member 3 is separated from the nose card member 4 Arranged at a distance. Of course, the connecting member 3 may be in any suitable form as long as it does not hinder the installation of the nasal filter. The connecting member is used to connect the clamping member, facilitate the installation and removal of the nasal filter, and prevent the filter member from being accidentally inserted into the nasal cavity.

As shown in FIGS. 1, 10 and 12, the nose clip component 4 may be a clip-on type or a crimp type. In the first to third embodiments of the present invention, the nose clip member 4 is composed of two symmetrical parts, each of which is connected to the corresponding end of the arc-shaped connecting member 3 with one end and the free end of the nose clip member 4 The chucks are in close contact with each other when they are not mounted on the nose. The nasal card part 4 has elasticity. ₉ When the nasal filter is mounted on the nose, the two parts of the nasal card part are temporarily separated, respectively, into a nostril and _s in the nasal filter Ann K. place after the wearing portion is sandwiched by the partition wall ₃ between the two nostrils of the nose card member 10 shown in FIG. 43 and the connecting member is disposed apart And includes two parts arranged symmetrically, each of which is V-shaped, one end of the V-shaped branch connected to the other branch of the clamping member 2 has a chuck, and the chucks are symmetrically arranged opposite to each other and mutually Separate by a certain distance _ffl The two parts of the nose clip member 4 shown in FIG. 12 are symmetrically in the shape of a zigzag chuck spaced at the free end of the symmetrical part.

.

The Saika component can avoid the disengagement of the organ during the breathing and fix the entire organ in the part.

Of course, for the purpose of skim cylindrical junction of the fans _s holding apparatus 1 may have only a holding member 2 and the connecting member 3, and even may have only a holding member 2, in this latter case, the filter device independently Insert into the nostril.

Filtering device as described in H 1, 4, 5, 8 and ₃ shown § includes a holding frame, a sealed national valve seat 7 and a filter element I As shown in FIG. 14, the protective framework 6 includes an outer cone-shaped body 61, an annular body 62, and an inner miscellaneous body 63.

The outer frustum body 61 includes a circular top portion, a circular bottom portion, and a middle portion. The middle portion is composed of at least two strip-shaped connecting bodies, and preferably is composed of 3-5 strip-shaped connecting bodies. The outer frustum body 61 has an inverted cone shape, and the diameter of the top circle is larger than the diameter of the bottom circle, but smaller than the diameter of the nostril. The top portion is used to seal a card-shaped filter material, and the middle portion is used to support and reinforce a sheet-shaped filter material, and connect the top portion and the bottom portion.

The inner frustum body 63 includes a circular top portion, a circular bottom portion, and a middle portion. The middle portion is composed of at least two strip-shaped connecting bodies, and preferably is composed of 3-5 strip-shaped connecting bodies. The diameter of the bottom circle is larger than the diameter of the top circle, but smaller than the diameter of the bottom circle of the outer frustum body 61.

The ring body 62 may be a flat ring or a ring with toothed folds. The bad body 62 connects the bottom of the outer frustum body 61 and the bottom of the inner frustum body 63. Whereby said inner frustum _s body 3 is completely located outside the body of heterozygosity "internal

Of course, not directly connected to the inner bottom of _a bottom frustum outer frustum such that the annular body ₆₂₃ with the transition between the outer frustum. .61 body and the fan 63 within the frustum

According to the idea of the present invention, a ventilation valve is designed based on the point that no filtering is required when exhaling gas from the lungs, which can remain closed when the lungs inhale and automatically open when exhaling, so that the exhaled gas can be smoothly discharged as shown in Figure 1 as shown in the top _¾ K. frustum inner body 3 is generally a bad shape ^ 65, the shape of the seat 7 ΐ¾ way Okazaki latching means for latching said given sheet-like filter material Hu said base and connected Gang The Okura Gate 9 _S can be formed integrally from the sheet-shaped II material. The second ring body 5 has a middle hole ₄₅ , and the middle hole 64 has a hole. It can be made by punching and pressing Wei _{3 to} raise the material in the slot to form a hole top protrusion 66. The sheet-shaped filter material for the valve is designed from the slot through the hole top protrusion 66 to make The valve 9 cannot be returned to its closed position due to the excessive swinging amplitude. In this way, the valve seat 7 and the valve 9 together form a vent valve.

In a modification of the embodiment in which the frame does not hold the skeleton, the vent valve may be composed of a central hole and a valve on the filter element, that is, the valve seat is formed on the filter element 8 On the periphery of the central hole; and the valve is formed by the filter element 8-body.

The holding frame 6 is made of a ductile material such as metal or plastic. The manufacturing method is as follows: a plurality of holes are cut out on a circular plate as shown in FIG. 15. The shape and number of the holes are designed such that The pulling deformation of the tube can obtain a holding skeleton in the form of a two-dimensional mesa as shown in FIG. 14.

The filtering device 5 includes two holding frames 6 described above, which are respectively embedded in the holding members 2 of the holding device 1 for supporting and reinforcing the filtering element 8. The silent cone frustum structure of the holding frame 6 is beneficial to increase the filtering area, thereby improving the filtering effect.

As shown in Figs. 17 and 18, the valve seat 7 is a cone-shaped single-piece member 71 made of rubber or plastic, which has an outer ring groove 72-which is located on the top of the cone-shaped cone with a smaller diameter. The seat 7 is clamped in the center hole of the top of the inner cone table body 63 of the holding frame 6 through the outer ring groove 72.

In 64, there is no danger of being sucked into the trachea. Preferably, the valve seat 7 may have a stent, a cross bracket 73 or other shaped brackets in the vent port for reinforcing the valve seat and preventing the valve 9 from being sucked into the inner platform (S3

The filter element 22 shown in FIG. ₃ 8 made of a sheet-like filter material ₂ into citrate which is not in the top portion of the fan Han outer frustum 61 and the inner frustum body member 2 and the clamp 3 The valve seat 7 is clamped. The sheet-shaped filter material is in the form of a straight FIG. 5

61 _¾ e stretches on the surface of the clamped part _{3 The} sheet-shaped filter material is flattened or specially designed to have no wrinkles _Θ at the connection part of the two cone-shaped body 61 β, that is, the ring body 2 _{The 5th} sheet filter material can also be straight _η or ₃皴辎 ¾, which is helpful to increase the filtering area.

As shown in _{3 of} 22, the element S includes an outer frustum body _S125, an annular body 32, and an inner frustum body S3. Of course, the filter element 8 as the official type ₅ only includes an outer frustum body and an inner frustum body, and the bottom of the outer frustum body is directly connected to the bottom of the inner frustum body.

According to the idea of the present invention, the specific measure to achieve the purpose of improving the filtering effect on a large scale is to increase the surface area of the filtering element. According to this, for those skilled in the art, according to this idea, it is easy to think that the filter element is not limited to the hook _{3 of the} frustum body. For example, it is a cylindrical body and a frustum body structure. Or two large and one small cylindrical structures, said columns The body may also be a cylinder or a prism, and the frustum may be a frustum or a pyramid.

Therefore, another embodiment of the inventive idea of the present application is that the filter element has a silent cylinder structure with an increased surface area, wherein one cylinder is inside the other cylinder. There may or may not be an annular body between the cylinders. For example, a large cylindrical outer cylinder and a small cylindrical inner cylinder need a transitional annular body. The large cylindrical outer cylinder can be directly connected with a small frustum-shaped inner cylinder. Further, the filter element may include a plurality of cylinders, wherein one cylinder is inside the other cylinder, like a telescopic lens, but there is a gap between the cylinders, and the connection method is the bottom of the first cylinder. It is connected to the bottom of the second cylinder, the top of the second cylinder is connected to the top of the third cylinder, and so on.

A part of the sheet-shaped filter material passes through a notch on the top of the outer frustum body 61 and is designed so that the part of the sheet-shaped filter material is unfolded on the valve seat 7 to just cover the ventilation The gate 9 forms the valve 9 _β, the wide door 9 is a flat circle _a , and the connection part of the valve and the sheet-shaped filter material is located right below the hole 顸 projection so that the gate 9 It will not return to its closed position due to the excessive swing amplitude.

According to the idea of the present invention, the specific measure for achieving the purpose of improving the filtering effect on a small scale is that the filter element has wrinkles that increase the filtering area. The form of the figure §, where the helical teeth are sensitive to adjust the length of the filter element to fit the user's nostril cavity

The number of folds on the outer cone table body 1 of the filter element s may be more than the number of ridges on the inner cone table body. Preferably, the number on the outer cone table body 1 is the inner cone table body Double the number of folds on S3.

The number of quilts at the top of the outer cone platform 1 of the filter element δ may be more than the number of folds in the middle and bottom of the outer cone platform 81. Preferably, the number of The number of wrinkles is twice the number of wrinkles in the middle and bottom of the outer frustum body 81.

The top of the outer cone table body 81 of the filter element 8 is clamped between the holding frame 6 and the holding member 2 _s, so the wrinkles on the top of the outer table body SI are compacted.

The sheet-shaped filter material is made of, for example, ultra-fine polypropylene fiber filter material or polyester fiber material Made of, preferably using the model PP-W-80 or PP-W-90 Supplier: Handan Hengyong Protective Cleaning Products Co., Ltd. made of ultra-fine polypropylene fiber filter material.

The sheet-like filter material is at least one layer, preferably two layers. The sheet-shaped filter material includes refreshing drugs, scented products, hypnotic drugs, or drugs for treating various diseases, such as drugs for treating respiratory diseases, such as rhinitis drugs. The drug referred to here is a substance that can be atomized or vaporized by breathing for absorption by the lungs and blood.

The sheet-shaped filter material is three layers, wherein the middle layer has wrinkles to help increase the filtering area; or the wrinkles are formed on two or three layers therein, which is beneficial to increase the filter element. Stiffness.

The sheet-shaped filter material is composed of a fiber filter material and an activated carbon material or activated carbon fiber.

The filter element 8 may also be in the form of a solid body matching the nostril cavity, the holding frame 6 may be in the form of a single cone, and the solid filter element 8 fills the cone. The same filter element 8 can also be impregnated with various drugs with different effects.

The nasal filter shown in FIGS. 23 to 26 may also have an external exhalation filter device, the external exhalation filter device includes a heart-shaped or circular filter plate 10 and a hook device 11. The breath The filtering device is connected to the nasal filter through the hooking device 11 and keeps a certain distance from the mouth so as not to affect the speech and filter the gas exhaled from it _Θ

The external exhalation filtering device is used to filter the air microphones ₅ emitted from the mouth when talking from Ju Li so as to make the other party feel 'serving ₉ '. This is particularly useful for the doctors who serve on the chef ’s car and fire.

In addition, the overall shape of the pass device S described in ₉ can be appropriately deformed by manual operation and the shape _{5 can} be changed from a circle to a cabinet circle.

As a modification, the filtering device 5 may include only a filtering element in the form of a piece of filtering material, and the filtering element has a silent frustum structure as shown in FIG. 22.

The nasal filter is easy to wear and remove. ₅ Reference ¾ JL Hold the connecting part 3 with your thumb and squeeze the forefinger part 4 with the help of the other hand. 5 Into the nostrils, and the nose clip parts that are squeezed out at the same time are also sent into the corresponding nostrils And clamped the hole wall between the nostrils. When removing the nasal filter, hold the thumb against the connecting member 3, and squeeze the index finger into the nasal card member 4 to separate it, so as to remove the nasal filter under the grip of the thumb and the index finger.

The working principle of the nasal filter is: when inhaling, the valve 9 is in a closed position, the valve 9 abuts against the valve seat 7, so that air can only enter the nasal cavity through the filter element 8; During exhalation, the valve 9 is opened to an open position under the push of the exhaled airflow, and the gas in the lungs can be exhaled smoothly to the external environment through the vent of the valve 9, so that the built-in Nasal filter pushes out of the nostrils.

The built-in nasal filter can also be equipped with various external nasal ornaments to beautify the nasal filter

The built-in nasal filter can be a single-use product, and the effective time can be between 3-8 hours

The built-in nasal filter has good technical effects: For people commuting to work in cities, using the nasal filter can prevent air pollution from damaging the human body; in working environments where there is a different microphone in the air or a high bacteria content Ann wearing a nose filter help protect human health; the patient's condition by adding the appropriate Drug nose filter can effectively help treat respiratory tube _ffl words, the built-in nose filters the fans have a good filter sterilization , And deodorizing effects „

The present invention includes not only embodiments and variations of embodiments given above but also any modifications to those of ordinary skill in the art noted in the present invention and made by Ryan Road change the scope of the present invention, _Q is given in the book by the claims. 'l! ¾ mark

Holding device

5. Filtration device

Clamping parts

3. Connecting parts

4. Nose clip parts 04 000789

6. Keep the skeleton

7. Valve seat

8. Filter element

9. Valve

61. Outer cone frustum

62. Torus

63. Inner cone frustum

64. Center hole

65. Top ring

66. Hole top protrusion

71. Frustum Shape

72. Outer ring groove

73. Cross Bracket

81. Outer cone frustum

82. Torus

83. Inner cone frustum

Claims

Rights request

1. A built-in nasal filter, comprising: a filtering device (5), the filtering device (5) comprising two filtering elements (8) respectively located in a nasal cavity, and the shape of the filtering element (8) Suitable for insertion into the nasal cavity; and a holding device (1), said holding device (1) is used for holding the filter device (5) and holding the filter device (5) on the nose;

It is characterized in that the filter element (8) has corrugations that increase the filtering area.

2. The built-in nasal filter according to claim 1, wherein the filter element (8) comprises at least two cylinders, wherein one cylinder is inside the other cylinder and is adjacent to the cylinder. There is a gap between them.

3. The built-in nasal filter according to claim 2, wherein the filter element (8) has a double-cylinder structure.

4. The built-nasal filter according to claim 3, characterized in that the Mo tube structure ₅ of the filter element (8) by a cylinder and a frustum body composition.

5. The built-in nasal filter ₅ according to claim 3, characterized in that said filter element (1) has a structure of a double cone frustum, which comprises an outer frustum frustum (81) and an inner frustum frustum (81) 83).

6. The built-in nasal filter ₅ according to claim 1, wherein the filter element (8) has a solid body structure matching the nostril cavity.

7. The filter wherein the bifurcation claims 1 to nasal bean formula S fans in any one _of? The filter element (8 "consists of at least one curtain sheet-like filter material.

The nasal prongs claims built-in filter of claim 7 wherein the twist篛₃ which Laid wrinkle y (8) is composed of three fan ₅ constituting the sheet-like filter material of the filter element of the filter element is formed on the intermediate layer Or the wrinkles are formed on two or three layers thereof.

The built-in nasal filter according to claim 7, characterized in that the wrinkles of the filter element (8) are in the form of straight teeth or spiral teeth.

10. The built-in nasal filter according to claim 7, wherein the fan-shaped nasal filter The filter material is ultrafine polypropylene fiber filter material or polyester fiber material.

11. The built-in nasal filter according to claim 7, wherein the sheet-like filter material is a composite of a fiber filter material and an activated carbon material or activated carbon fiber.

The built-in nasal filter according to any one of claims 1 to 5, wherein the filter element (8) comprises a refreshing medicine, a fragrance product, a hypnotic medicine, or health care Medicines for the prevention or treatment of various diseases.

The built-in nasal filter according to any one of claims 1 to 5, characterized in that the filter element (8) includes a medicine for treating a respiratory disease.

14. The built-in nasal filter according to claim 13, wherein the filter element (8) comprises a drug for treating rhinitis.

15. The built-in nasal filter according to any one of claims 1 to 5, wherein the filtering device (2) further comprises a holding frame (6) for holding the filtering element

(8) _α

16. The built-in nasal filter according to claim 5, characterized in that the holding frame (6) has a structure of a silent cone body, which comprises an outer cone body (61) and an inner cone body

(63).

17. The built-in nasal filter according to claim 16, characterized in that the outer frustum body (61) of the holding frame (6) is held at the bottom by a ring-shaped body (62). The bottom of the inner frustum body (63) of the skeleton (6) is connected _Θ

1G. The built-in nasal filter according to claim 17 is characterized in that the ring body (62) that holds the skeleton ( ₃₎ on the way can be! It is a flat ring or a ring with toothed folds.

19. The built-in nasal passage device ₃ according to claim _3, wherein the holding frame (6) is made of a ductile material.

20. The built-in nasal filter according to claim 19, wherein said holding frame (6) is made of metal or channeling material.

twenty one.的 The built-in nosepiece according to claim 19 is characterized in that the _three holding skeletons (6) are made from a circular plate, and the circular plate is engraved with a plurality of apertures. The shape and number are designed so that the holding skeleton (6) in the form of a double-cone frustum can be obtained through the drawing deformation of the tube.

22. The built-in nasal filter according to any one of claims 1 to 5, wherein the filtering device comprises a ventilation valve, which is in a closed state when the lungs inhale, and when the lungs are inhaled, When the part is exhaled, it is in an open state.

23. The built-in nasal filter according to claim 11, wherein the vent valve comprises a valve seat (7) and a valve (9).

24. The built-in nasal filter according to claim 23, wherein the valve seat (7) is a cone-shaped single-piece member (71), which has an outer ring groove (72)-one located at the other On the top of the frustum with a smaller diameter, the valve seat (7) is clamped to the center hole (64) on the top of the inner frustum body (63) of the holding frame (6) through the outer ring groove (72) The valve (9) is formed by a body of the filter element (8).

25. The built-in nasal filter according to claim 24, characterized in that the top annular body (5) of the inner frustum body (63) has a middle hole (64), and the central hole (64) A notch is formed on the notch, and a hole top protrusion (66) is formed on the notch; the valve (9) is a flat circular shape; the connection portion between the valve (9) and the filter element is located exactly in the hole Under the top protruding body (66), so that the valve (9) will not be able to return to its closed position due to excessive swinging amplitude _β

26.4 According prong Gen claims 23 built-in fans nasal filter _s ₃ wherein said valve seat formed on the ^ ¾ element through the fan (8) in the periphery of the green hole;! 'Is lost by valve The filter element

(8) Integrated.

27. As noted k claims 24 built-in fans designed filter ₃ wherein said valve seat (7) comprises a vent word stent. The spider (73) or other shaped bracket.

28. The built-in nasal filter according to claim 1, wherein the holding device (1) comprises: a holding member (2) for holding the filtering device; a connecting member

(3) for connecting the gripping members, and a nose card member _(4)? Nasal filter for the catch in a heterologous rustic.

29. The built-in nasal filter according to claim 28, wherein the protection The holding device (1) is an integral piece.

30. The built-in nasal filter according to claim 28, wherein the holding device (1) is assembled from a plurality of independent components.

31. The built-in nasal filter according to claim 1, wherein a material of the holding device is selected from a metal or a polymer synthetic material.

32. The built-in nasal filter according to claim 28, wherein the nasal card component (4) can be a clip-on type or a crimp type.

33. The built-in nasal filter according to claim 1, characterized in that the holding device (1) has only one clamping member (2) and one connecting member (3).

34. The built-in nasal filter according to claim 1, characterized in that the holding device (1) has only one clamping member (2).

35. The built-in fans a nasal filter as claimed in claim ₅ wherein the shape of said filter means (5) can be performed by the user's operation of the hand shape of the user in order to accommodate the coup nostril cavity.

36. The built-in nasal filter according to claim 1, characterized in that the length of the filtering device (5) can be changed by a user's hand operation so as to fit the user's nostril cavity.

37. The built-in nasal filter according to claim 1, wherein the built-in nasal filter can be equipped with various external nose decorations "

38. As noted ^ Gen machine built-sectional nasal claim 1 wherein the filter H _s _s nasal filter the fan-cell may have a cell type filter means exhalation breath filtration device is a filter plate comprising a fan

(10) And the device of a gui (11)