JPH11342205A - Nose tube for inhaler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a spraying medical fluid from contaminating by nasal mucus flowing backward and dropping into a nose tube for inhaler which is used for inhalation treatment at otolaryngology or the like during use. SOLUTION: This nose tube for inhaler is provided with a nostril nozzle 3 for spraying a fogged medical fluid transferred from a device for spraying the medical fluid into a nostril at a front edge section of a cylindrical belly section 2. In this case, a partition 10 is formed within the cylindrical belly section 2 to form a reserving section 11 for nasal mucus flowing backward and dropping into the nostril nozzle 3 during use and to prevent contaminating the fogged medical liquid by the nasal mucus.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to otitis externa, otitis media,
Otolaryngology such as sinusitis or internal medicine such as allergy patients,
The present invention relates to a nasal tube for an inhaler used in inhalation therapy in the field of pediatrics, and more particularly to a nasal tube for an inhaler for ejecting spray particles to a nostril.

[0002]

2. Description of the Related Art Conventionally, in the fields of otolaryngology, internal medicine, and pediatrics, inhalation by chemical spraying using an ultrasonic atomizer called a nebulizer is one of the treatments for the nasal cavity and the throat. Has been done. There are various types of devices used for this inhalation method.
As shown in FIG. 8, a transparent glass comprising a nostril nozzle 3 for ejecting spray particles into a nostril at a front end of a cylindrical body 2 and a connection 4 to a supply source of spray particles at a rear end. Mist for spraying a predetermined amount of atomized chemical toward the connection pipe 5 by atomizing the chemical stored in the nasal tube 1 for an inhaler, the flexible connection pipe 5 and the atomization tank by using ultrasonic waves. The aerosolized chemical solution ejected from the atomizing device 6 is sent through the pipe 5 into the nasal tube 1 for inhaler, and is inhaled into the nares of the patient from the nasal nozzle 3 at the front end of the nasal tube 1 for inhaler. To be treated.

[0003] The nostril nozzle 3 of the inhaler nasal tube 1 branches bifurcated from the front end of the tubular body 2 and extends obliquely upward from the tubular body 2. The atomized chemical solution that has been pressure-fed into the cylindrical body 2 through the
7 is formed so as to squirt.

[0004]

However, in the above-mentioned nasal tube 1 for an inhaler of a nebulizer, as shown in FIG. 8, the tubular body 2 has a simple cylindrical shape, and is provided on the inner peripheral surface side. Since no resistance is present, the washing operation is easy, but when used, the nasal discharge of the patient flows backward from the tip openings 7, 7 of the nostril nozzles 3, 3, so that the tubular body 2 can be used.
In addition, it flows into the connection pipe and contaminates the spray channel of the atomized chemical, or contaminates the chemical itself stored in the atomization tank of the ultrasonic atomizer 6. Therefore, if the nasal secretion contains an infectious substance such as bacteria, the inconvenience of spray particles contaminated with the infectious substance being inhaled again into the nostrils cannot be prevented.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned inconvenience, and it is an object of the present invention for an inhaler which can avoid contamination of a spray channel caused by nasal discharge flowing from a tip opening of a nostril nozzle during use. A nasal tube is provided.

[0006]

The present invention has solved the above-mentioned problem by providing a reservoir for nasal discharge flowing from a tip end opening of a nostril nozzle in a tubular body of a nasal tube for an inhaler in use. That is, the present invention provides a nasal tube for an inhaler comprising a nostril nozzle for ejecting spray particles into a nostril at a front end of a tubular body and a connection portion to a supply source of spray particles at a rear end. On the lower peripheral surface of the trunk near the nostril nozzle, there is provided a reservoir for nasal discharge that flows backward through the nostril nozzle during use.

The material for forming the nasal tube for an inhaler is not particularly limited, but it is preferable to use a transparent material such as glass or heat-resistant plastic.

[0008] The above-mentioned reservoir for nasal discharge has a semicircular partition wall standing on the lower peripheral surface side of the cylindrical trunk portion of the nasal tube for an inhaler, and is formed by the partition wall and the lower peripheral surface of the cylindrical trunk portion. It is good to form with the dam part which is done. Further, a disk-shaped partition wall provided with a thin tube nozzle directed to the nostril nozzle side is provided in the cylindrical body portion, and a damming portion formed by a lower half portion of the partition wall and a lower peripheral surface of the cylindrical body portion. It may be formed with it.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings showing an embodiment. FIG. 1 and FIG. 2 show that the front end of the cylindrical body 2 is inclined from the cylindrical body 2. A pair of nostril nozzles 3, 3, which are bent upwards and bifurcated and extend
In a nasal tube 1 for an inhaler having a connecting portion 4 to a flexible connecting pipe extending from the ultrasonic atomizer at the rear end, a lower periphery of the tubular body 2 near the nostril nozzle 3. A semicircular partition 10 is erected on the surface to form a reservoir 11 in the shape of a dam inside the cylindrical body 2, and when used, the nostril nozzle 3 is used.
In this embodiment, the nasal discharge which has flowed backward through the nostril nozzles 3 and 3 from the front end openings 7 and 3 can be blocked and stored in the storage section 11.

FIGS. 3 and 4 show the cylindrical body 2 in the same manner as described above.
A pair of nostril nozzles 3 and 3 extending obliquely upward and bifurcated from the cylindrical body 2 at the front end of the tube, and a flexible connection pipe extending from the ultrasonic atomizer at the rear end. In the nasal tube 1 for an inhaler provided with the connecting portion 4 described above, a disk-shaped partition wall 10 that partitions the inside of the cylindrical body 2 is provided on the lower peripheral surface of the cylindrical body 2 near the nostril nozzle 3. At the same time, a narrow tube nozzle 12 projecting toward the nostril nozzles 3 and 3 protrudes from the center of the partition wall 10 to form a reservoir 11 having a damming shape on the nostril nozzle 3 side of the tubular body 2. The nasal discharge flowing backward through the nostril nozzles 3, 3 during use can be blocked and stored in the storage section 11, and
The propellant liquid sent from the ultrasonic atomizer through the flexible connection pipe into the nasal tube 1 for the inhaler does not come into contact with the storage unit 11, and the nasal nozzle 3,
3 shows an aspect that can be ejected.

The projecting length of the thin tube nozzle 12 in the above embodiment is preferably such that the ejection opening 13 is located near the base of the nasal tube nozzles 3, 3 beyond the storage portion 11. In the embodiment, the ejection opening 13 is cut obliquely downward toward the distal end with respect to the axis of the capillary nozzle 12, and has an elliptical shape whose opening surface is directed obliquely upward. However, this opening shape may be a circular opening cut at a right angle to the axis, or a downward elliptical shape cut obliquely in the opposite direction to the embodiment.

FIG. 5 shows the storage unit 1 in the embodiment of FIG.
A cleaning hole 15 that can be opened and closed with a rubber stopper 14 near 1
Is shown. According to this aspect, after the use, the brush can be inserted from the washing hole 15 to wash the storage section 11, and also can be used to discharge the nasal secretion retained in the storage section 11, and to disinfect the nasal tube 1 for the inhaler by boiling. It is convenient for drying.

The embodiment shown in FIGS. 1 to 5 shows an embodiment in which the reservoir 11 is provided in the inhaler nasal tube 1 in which the cylindrical body 2 and the nostril nozzles 3 are integrally formed. However, it goes without saying that the present invention can also be applied to a nasal tube for an inhaler in which the nostril nozzles 3 and 3 can be attached to and detached from the cylindrical body 2. For example, as shown in FIG. 6, a pair of nostril nozzles 3 and 3 are held by a cylindrical body 2 bent in a “<” shape and a holding member 16 formed of an elastic material such as rubber. In the nasal tube 1 for an inhaler in which the nostril nozzles 3 and 3 can be attached to and detached from the front end of the cylindrical body 2, the embodiment shown in FIGS. 3 and 5 near the bent portion of the cylindrical body 2. alike,
A disk-shaped partition 10 for partitioning the inside of the cylindrical body 2 is provided, and a thin tube nozzle 12 projecting toward the nostril nozzles 3 and 3 is protruded from the center of the partition 10 to form a nostril nozzle of the cylindrical body 2. A reservoir 11 having a damming shape may be formed on the 3 side so that nasal discharge that flows backward through the nostril nozzles 3 and 3 during use can be dammed and stored in the reservoir 11. According to this aspect, operations such as cleaning and disinfection become easier.

[0014]

As described above, the present invention is provided with the nostril nozzle 3 for ejecting the spray particles into the nostrils at the front end of the cylindrical body 2 and the connection 4 to the supply source of the spray particles at the rear end. The nasal tube 1 for an inhaler is provided with a reservoir 11 for nasal discharge in the tubular body portion 2 which flows backward through the nostril nozzles 3, 3 during use, so that the nasal tube 1 comes out of the patient's nares during use. Even if the nasal discharge falls down in the nostril nozzles 3 and 3, the nasal discharge can be blocked in the reservoir 11, and the nasal discharge contaminates the spray channel of the atomized drug solution, or the atomizing tank of the ultrasonic atomizing device 6. It is possible to prevent the chemical solution itself stored therein from being contaminated. Therefore, if nasal secretions contain infectious substances such as bacteria, it is possible to prevent the spray particles contaminated with the infectious substances from being inhaled into the nostrils again, and to provide hygienic treatment. Can be.

In the nasal tube 1 for an inhaler according to the second and third aspects, a partition 10 for partitioning the inside of the cylindrical body 2 is provided on the side of the nostril nozzle of the cylindrical body, and is provided at the center of the partition 10. A thin tube nozzle 12 protrudes toward the nostril nozzle 3, and the partition wall 10 forms a reservoir 11 for nasal discharge that flows backward through the nostril nozzle 3 during use. The injected spray liquid can be ejected from the capillary nozzle 12 to the nostril nozzles 3 and 3 without coming into contact with the nasal secretion retained in the storage section 11, further improving sanitation.

The storage section 1 of the nasal tube 1 for an inhaler described above.
In the case where the washing hole 15 is provided near 1, it is easy to discharge the nasal discharge accumulated in the storage section and to wash the storage section.

Further, in the nasal tube 1 for an inhaler according to the third aspect, since the nasal nozzle 3 is detachable from the cylindrical body portion 2, discharge of nasal discharge, washing of the storage portion, boiling disinfection, drying and the like are performed. The effect of being able to perform it more easily and reliably is exhibited.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a nasal tube for an inhaler of the present invention.

FIG. 2 is a side view in which a central portion of the cylindrical trunk portion of FIG. 1 is sectioned.

FIG. 3 is a front view of a nasal tube for an inhaler according to another embodiment of the present invention.

FIG. 4 is a side view in which a central portion of the cylindrical body in FIG. 3 is sectioned.

FIG. 5 is a partial cross-sectional side view showing an embodiment in which a washing hole is provided in the nasal tube for an inhaler of FIG. 3;

FIG. 6 is a perspective view of a nasal tube for an inhaler according to still another embodiment of the present invention.

FIG. 7 is a side view schematically showing a treatment mode using a conventional nasal tube for an inhaler.

8 is a partial cross-sectional front view of the conventional inhaler nasal tube used in FIG. 7;

[Description of Signs] 1 Nasal tube for inhaler 2 Cylindrical trunk 3 Nostril nozzle 4 Connection portion 7 Tip opening of nostril nozzle 10 Partition wall 11 Reservoir 12 Thin tube nozzle 13 Jet opening 15 Cleaning hole

Claims (4)

[Claims] 1. A nasal nozzle for ejecting spray particles to a nostril at a front end portion of a cylindrical body portion, and a partition wall provided at a rear end portion of the cylindrical body portion having a connection portion to a supply source of spray particles, A nasal tube for an inhaler, wherein a reservoir for nasal discharge that flows backward through a nostril nozzle during use is formed. 2. A tubular body having a nostril nozzle for ejecting spray particles into a nostril at a front end of the tubular body and a connection to a supply source of the spray particles at a rear end. A partition that divides the inside of the part is provided, and a capillary nozzle that projects toward the nostril nozzle is protruded from the center of the partition, and this partition forms a reservoir for nasal discharge that flows backward through the nostril nozzle when used. A nasal tube for an inhaler, comprising: 3. A nasal tube for an inhaler, comprising a nostril nozzle for ejecting spray particles into a nostril at a front end of a cylindrical body, and a connection to a supply source of the spray particles at a rear end. A nostril nozzle is detachably fitted to the body, a partition partitioning the inside of the tubular body is provided in the cylindrical body, and a thin tube nozzle directed toward the nostril nozzle side is protrudingly provided at the center of the partition, A nasal passage for an inhaler, characterized in that a reservoir for nasal discharge that flows backward through a nostril nozzle when used is formed by the partition wall. 4. The nasal tube for an inhaler according to claim 1, wherein the storage portion is provided with an openable and closable washing hole.