Nasal cavity washer and detachable nozzle therefor

Abstract

To provide a nasal cavity washer which hardly irritates the nose and hardly causes complications such as rhinitis.SOLUTION: A fluid storage portion having a fluid storage space for storing a fluid, a balloon having a balloon lumen, a fluid supply portion having a fluid supply path connecting the fluid storage space to the balloon lumen and connecting the fluid storage portion to the balloon, a liquid storage portion having a liquid storage space for storing a liquid, and a liquid supply portion having a liquid supply path connected to the liquid storage space and connected to the liquid storage portion, the nasal cavity washer according to claim 1, wherein the balloon forms a blockage in the nasal cavity by being inflated by the fluid introduced into the balloon lumen from the fluid containing space through the fluid supply path by pressing the fluid containing portion, the outflow portion causes the liquid supplied from the liquid containing space through the liquid supply path to flow out from a proximal side of the blockage by pressing the liquid containing portion, and the balloon is deflated by releasing the pressing of the fluid supply portion.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a nasal irrigator and a detachable nozzle thereof. [Background technology]

[0002] For example, a nasal irrigator is known that cleanses (rinses) the nasal cavity by supplying a liquid to the nasal cavity in order to suppress discomfort and illness caused by foreign matter such as pollen and house dust adhering to the nasal mucosa (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] International Publication No. 2014 / 104066 Summary of the Invention [Problem to be solved by the invention]

[0004] An object of the present invention is to provide a nasal irrigator and a detachable nozzle thereof that are less irritating to the nose and less likely to cause complications such as rhinitis. [Means for solving the problem]

[0005] One aspect of the present invention is as follows.

[0006] [1] a fluid storage portion having a fluid storage space for storing a fluid; a balloon having a balloon lumen; a fluid supply section having a fluid supply path connecting the fluid storage space to the balloon lumen and connecting the fluid storage section to the balloon; a liquid storage section having a liquid storage space for storing liquid; a liquid supply passage connected to the liquid storage space, and a liquid supply section connected to the liquid storage section; the liquid supply channel has an outlet; the balloon is inflated by being pressed against the fluid containing portion, and the fluid is introduced from the fluid containing space through the fluid supply path into the balloon cavity, thereby forming an occlusion portion in the nasal cavity; the outflow portion causes the liquid supplied from the liquid storage space through the liquid supply path to flow out from a front side of the closing portion by being pressed against the liquid storage portion; The balloon contracts when pressure on the fluid supply unit is released.

[0007] [2] a rod-shaped insertion portion configured by the balloon, at least a part of the fluid supply portion, and at least a part of the liquid supply portion and to be inserted into the nasal cavity; the fluid supply unit has a fluid connection unit that is detachably connected to an upstream portion of the fluid supply unit; the liquid supply unit has a liquid connection unit that is detachably connected to an upstream portion of the liquid supply unit; The nasal irrigator described in [1], wherein the balloon, the outflow portion, the fluid connection portion and the liquid connection portion constitute a detachable nozzle.

[0008] [3] A nasal cavity irrigator as described in [1] or [2], which has a storage section consisting of the fluid storage section and the liquid storage section, and by pressing the storage section, expands the balloon to form the obstruction section in the nasal cavity and then causes the liquid to flow out from the outflow section.

[0009] [4] A detachable nozzle for a nasal irrigator, The nasal cavity irrigator has a rod-shaped insertion part that is inserted into the nasal cavity, the insertion section is configured by a balloon having a balloon lumen, at least a part of a fluid supply section having a fluid supply path connected to the balloon lumen, and at least a part of a liquid supply section having a liquid supply path, the liquid supply channel has an outlet; the fluid supply unit has a fluid connection unit that is detachably connected to an upstream portion of the fluid supply unit; the liquid supply unit has a liquid connection unit that is detachably connected to an upstream portion of the liquid supply unit; a detachable nozzle is configured by the balloon, the outflow portion, the fluid connection portion, and the liquid connection portion; the balloon is inflated by introducing the fluid from the fluid supply channel into the balloon cavity while the fluid connection portion and the liquid connection portion are connected, thereby forming an occlusion portion in the nasal cavity; the outflow portion allows the liquid supplied from the liquid supply channel to flow out from a front side of the closing portion, A detachable nozzle for a nasal irrigator, wherein the balloon contracts by discharging the fluid from the balloon cavity into the fluid supply channel. [Effects of the Invention]

[0010] According to the present invention, it is possible to provide a nasal irrigator and its detachable nozzle that are less irritating to the nose and less likely to cause complications such as rhinitis. [Brief explanation of the drawings]

[0011] [Figure 1] FIG. 2 is a cross-sectional view showing the state of the nasal cavity washer of the embodiment of the present invention during nasal cavity washing. DETAILED DESCRIPTION OF THE INVENTION

[0012] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0013] As shown in FIG. 1 , in one embodiment of the present invention, a nasal cavity irrigator 1 includes a fluid storage unit 2 having a fluid storage space 2a for storing a fluid, a balloon 3 having a balloon lumen 3a, a fluid supply channel 4a connecting the fluid storage space 2a to the balloon lumen 3a, and a fluid supply unit 4 connecting the fluid storage unit 2 to the balloon 3. When pressure is applied to the fluid storage unit 2 (see the hatched arrow in FIG. 1 ), fluid is introduced from the fluid storage space 2a through the fluid supply channel 4a into the balloon lumen 3a (see the hollow arrow in FIG. 1 ), causing the balloon 3 to expand radially relative to the nasal cavity 5 (see the shape indicated by the solid line in FIG. 1 ), thereby forming an occlusion 6 in the nasal cavity 5. When pressure on the fluid supply unit 4 is released, the balloon 3 contracts radially relative to the nasal cavity 5 (see the shape indicated by the two-dot chain line in FIG. 1 ). The fluid storage unit 2 is a container that can be deformed to reduce its volume when subjected to pressure. The fluid is not particularly limited and may be, for example, a gas such as air.

[0014] The nasal cavity irrigator 1 has a liquid storage unit 7 having a liquid storage space 7a for storing liquid, and a liquid supply unit 8 having a liquid supply path 8a connected to the liquid storage space 7a and connected to the liquid storage unit 7. The liquid supply path 8a has an outlet 8a1, which, when pressed against the liquid storage unit 7 (see the diagonal arrow in FIG. 1), causes the liquid supplied from the liquid storage space 7a through the liquid supply path 8a to flow out from the front side of the blocking unit 6 (see the thick arrow in FIG. 1). In this embodiment, the outlet 8a1 is composed of multiple outlets 8a2. Alternatively, the outlet 8a1 may be composed of a single outlet 8a2. The liquid storage unit 7 is a container that can be deformed to reduce its volume when pressed. Any liquid for irrigation can be used.

[0015] The nasal cavity irrigator 1 has a storage section 9 consisting of a fluid storage section 2 and a liquid storage section 7, and the magnitude of the flow resistance of the fluid supply path 4a and the liquid supply path 8a is set so that by pressing the storage section 9, the balloon 3 is expanded to form an obstruction section 6 in the nasal cavity 5, and then the liquid flows out from the outflow section 8a1.

[0016] The nasal irrigator 1 includes a rod-shaped insertion portion 10 configured with a balloon 3, at least a portion of a fluid supply portion 4, and at least a portion of the liquid supply portion 4, and is inserted into the nasal cavity 5. The fluid supply portion 4 includes a fluid connection portion 11a detachably connected to an upstream portion of the fluid supply portion 4, and the liquid supply portion 8 includes a liquid connection portion 11b detachably connected to an upstream portion of the liquid supply portion 8. The balloon 3, the outlet portion 8a1, the fluid connection portion 11a, and the liquid connection portion 11b form a detachable nozzle 11. That is, the nasal irrigator 1 includes the detachable nozzle 11, which is a replacement part that is replaced as it wears out, and a main body component 12 to which the detachable nozzle 11 is connected. Note that in this embodiment, the fluid connection portion 11a and the liquid connection portion 11b are detachably connected by a slip-fitting. However, this is not limiting and may be configured to be detachably connected by a screw-fitting. The detachable nozzle 11 and the main body component 12 are each formed of, for example, a resin material. The fluid supply unit 4 is a tube, the liquid supply unit 8 is a tube, the fluid storage unit 2 and the liquid storage unit 7 are disposed adjacent to each other, and the fluid supply unit 4 passes through a side hole 8b of the liquid supply unit 8 from the outside to the inside and extends to the balloon 3. The insertion unit 10 has an outer diameter of, for example, 5 to 10 mm when the balloon 3 is in a deflated state.

[0017] To use the nasal irrigator, first, with the fluid connection portion 11a and the liquid connection portion 11b connected, the housing portion 9 is grasped and the deflated balloon 3 is inserted into the nasal cavity 5. Then, the housing portion 9 is pressed. The balloon 3 then expands, forming an obstruction portion 6 in the nasal cavity 5. In this state, liquid flows out of the outlet portion 8a1 just before the obstruction portion 6. This allows the nasal cavity 5 to be cleansed with liquid while preventing the liquid from penetrating deeper than the obstruction portion 6. After cleansing, the pressure on the housing portion 9 is released, discharging the fluid from the balloon lumen 3a into the fluid supply channel 4a, thereby deflating the balloon 3 and removing it from the nasal cavity 5. Because the balloon 3 can be inserted and removed in this state, frictional contact with the surface tissue of the nasal cavity 5 is reduced, reducing nasal irritation. Furthermore, the inflated balloon 3 prevents the liquid from penetrating deeper during cleansing, reducing the risk of complications such as rhinitis.

[0018] Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and the above-described embodiments can be modified in various ways without departing from the gist of the present invention.

[0019] For example, in the above-described embodiment, the fluid storage portion 2 and the liquid storage portion 7 are arranged adjacent to each other, but this is not a limitation, and for example, the fluid storage portion 2 may be arranged inside the liquid storage portion 7, or the liquid storage portion 7 may be arranged inside the fluid storage portion 2. Furthermore, in the above-described embodiment, the fluid storage portion 2 and the liquid storage portion 7 are each containers, but this is not a limitation, and for example, one or both of the fluid storage portion 2 and the liquid storage portion 7 may be a syringe consisting of an outer cylinder and a plunger. In the above-described embodiment, the detachable nozzle 11 is configured as a replaceable part, but this is not a limitation. [Explanation of symbols]

[0020] 1 Nasal irrigator 2 Fluid storage section 2a Fluid containing space 3. Balloon 3a Balloon lumen 4 Fluid supply section 4a Fluid supply path 5 Nasal cavity 6 Occlusion 7 Liquid storage section 7a Liquid storage space 8 Liquid supply section 8a Liquid supply path 8a1 Outlet 8a2 Outlet 8b side hole 9 Storage section 10 Insertion section 11 Detachable nozzle 11a Fluid connection 11b Liquid connection 12 Main body parts

Claims

1. a fluid storage portion having a fluid storage space for storing a fluid; a balloon having a balloon lumen; a fluid supply section having a fluid supply path connecting the fluid storage space to the balloon lumen and connecting the fluid storage section to the balloon; a liquid storage section having a liquid storage space for storing liquid; a liquid supply passage connected to the liquid storage space, and a liquid supply section connected to the liquid storage section; the liquid supply channel has an outlet; the balloon is inflated by being pressed against the fluid containing portion, and the fluid is introduced from the fluid containing space through the fluid supply path into the balloon cavity, thereby forming an occlusion portion in the nasal cavity; the outflow portion causes the liquid supplied from the liquid storage space through the liquid supply path to flow out from a front side of the closing portion by being pressed against the liquid storage portion; The balloon contracts when pressure on the fluid supply unit is released.

2. a rod-shaped insertion portion configured by the balloon, at least a part of the fluid supply portion, and at least a part of the liquid supply portion and to be inserted into the nasal cavity; the fluid supply unit has a fluid connection unit that is detachably connected to an upstream portion of the fluid supply unit; the liquid supply unit has a liquid connection unit that is detachably connected to an upstream portion of the liquid supply unit; The nasal irrigator of claim 1 , wherein the balloon, the outflow portion, the fluid connection portion, and the liquid connection portion form a detachable nozzle.

3. 2. The nasal cavity irrigator according to claim 1, further comprising a storage section made up of the fluid storage section and the liquid storage section, wherein, by pressing the storage section, the balloon is inflated to form the occlusion section in the nasal cavity, and then the liquid is discharged from the outlet.

4. A tip nozzle of a nasal irrigator, The nasal cavity irrigator has a rod-shaped insertion part that is inserted into the nasal cavity, the insertion section is configured by a balloon having a balloon lumen, at least a part of a fluid supply section having a fluid supply path connected to the balloon lumen, and at least a part of a liquid supply section having a liquid supply path, the liquid supply channel has an outlet; the fluid supply unit has a fluid connection unit that is detachably connected to an upstream portion of the fluid supply unit; the liquid supply unit has a liquid connection unit that is detachably connected to an upstream portion of the liquid supply unit; a detachable nozzle is configured by the balloon, the outflow portion, the fluid connection portion, and the liquid connection portion; the balloon is inflated by introducing the fluid from the fluid supply channel into the balloon cavity while the fluid connection portion and the liquid connection portion are connected, thereby forming an occlusion portion in the nasal cavity; the outflow portion allows the liquid supplied from the liquid supply channel to flow out from a front side of the closing portion, A detachable nozzle for a nasal irrigator, wherein the balloon contracts by discharging the fluid from the balloon cavity into the fluid supply channel.

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