JP2014018499A - Nasal discharge suction device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nasal discharge suction device which can suck and remove nasal discharge accumulated in a nasal cavity smoothly without generating large negative pressure in the nasal cavity.SOLUTION: A nasal discharge suction device includes: a nasal discharge container 5; a nasal discharge suction tube 1 connected to the upper end part of the nasal discharge container 5; a nasal discharge suction nozzle 2 mounted on the end of the nasal discharge suction tube 1; an intake tube 3 connected to the upper end part of the nasal discharge container 5; and a mouthpiece 4 mounted on the end of the intake tube 3. The nasal discharge suction tube 1 communicates with the intake tube 3. By inserting the nasal discharge suction nozzle 2 into a nostril B, holding the mouthpiece 4 in the mouth of a user, and sucking nasal discharge in a nasal cavity, the nasal discharge is sucked and stored in the nasal discharge container 5 through the nasal discharge suction tube 1. A ventilation path 10 that allows an ambient air to flow into the nasal cavity during suction of nasal discharge is provided in the outer circumferential surface of the nasal discharge suction nozzle 2, which enables the user to suck and remove the nasal discharge while preventing large negative pressure from being generated by the suction force in the nasal cavity.

Description

  The present invention relates to an improvement of a nasal discharge device that sucks and removes nasal discharge staying in the nasal cavity.

  If you have a cold or allergic rhinitis, symptoms such as nasal discharge, nasal congestion, and sneezing may occur, preventing smooth breathing. The situation that cannot sleep is generated. For this reason, caregivers such as mothers use a nasal inhaler to aspirate and remove nasal mucus accumulated in the nasal cavity. Moreover, even if it is not an infant, sucking and removing nasal discharge by itself using a nasal discharge device is performed.

  As such a nasal discharge device, for example, as described in Patent Document 1, a proximal end of a flexible nasal discharge tube having a nasal discharge head (hereinafter referred to as a nasal discharge nozzle) at one end. The nasal discharge container is connected to and communicated with the upper end of the nasal discharge container, and the base end of the flexible intake pipe having a mouthpiece attached to one end thereof is separated from the nasal discharge tube in the nasal discharge container. The thing of the structure formed by connecting and communicating is known.

  When using the nasal aspirator configured in this way, the nasal inhalation nozzle is placed in the nostril so that the tip of the nasal inhalation nozzle is inserted into the nostril of an infant or the like, while the caregiver holds the mouthpiece. When sucked, the suction force acts on the nasal discharge tube through the inhalation tube through the nasal discharge container. Nasal discharge can be stored in the storage container through the suction tube.

JP 2003-24432 A

  However, according to the nasal discharge device configured as described above, when the nasal discharge in the nasal cavity is sucked from the suction tube through the nasal discharge container, the nasal discharge suction tube, and the nasal discharge suction nozzle, the nasal discharge is sucked and removed to the nasal discharge suction side. As a result, the negative pressure generated in the nasal cavity increases and the suction and removal of the nasal discharge is not performed smoothly, but the increased negative pressure damages the mucous membrane in the nasal cavity of the suction nozzle and the pressure of the eardrum fluctuates. There were problems such as the possibility of abnormal hearing.

  The present invention has been made in view of such problems, and the object of the present invention is to suck and remove nasal discharge in the nasal cavity through the nasal discharge container, nasal discharge tube, and nasal discharge nozzle from the intake tube. It is an object of the present invention to provide a nasal discharge device capable of smoothly sucking and removing nasal discharge in the nasal cavity without generating a large negative pressure in the nasal cavity and without causing a sense of incongruity.

  In order to achieve the above object, a nasal discharge device according to the present invention comprises a flexible nasal discharge tube having a nasal discharge suction nozzle attached to the tip and a mouthpiece attached to the tip. By connecting and communicating with the nasal discharge containing container each base end portion of the flexible intake pipe that is flexible, by inserting the tip of the nasal discharge suction nozzle into the nostril and inhaling through the intake pipe from the mouthpiece, A nasal aspirator configured to generate a suction force in the nasal discharge suction tube through the nasal discharge container and to suck and store the nasal discharge in the nasal cavity from the suction nozzle through the nasal discharge suction tube into the nasal discharge storage container by the suction force. In the present invention, an air passage is formed on the outer peripheral surface of the nasal discharge suction nozzle to connect the inside of the nasal cavity to the outside air when the nasal discharge suction nozzle is inserted into the nostril.

  In the nasal aspirator configured as described above, the invention according to claim 2 includes a plurality of strips with a long groove in the circumferential direction of the nasal discharge nozzle on the outer circumferential surface of the nasal discharge nozzle, spaced apart in the circumferential direction, By providing, the said ventilation path is formed by these strips, It is characterized by the above-mentioned.

  The invention according to claim 3 relates to another structure of the air passage, and is provided with a long ridge in the length direction of the nasal discharge nozzle on the outer peripheral surface of the nasal discharge suction nozzle at predetermined intervals in the circumferential direction. A ventilation path is formed by the outer peripheral surface between the protrusions adjacent in the direction.

  The invention according to claim 4 relates to still another structure of the ventilation passage, and is provided adjacent to the outer peripheral surface of the nasal discharge suction nozzle by protruding a fixed height in the length direction and the circumferential direction at small intervals. An air passage is formed by a gap between the protruding projections.

  The invention according to claim 5 is characterized in that the shape of the nasal discharge suction nozzle is formed in a spindle shape with a tip portion having a smaller diameter than the nostril and a central portion having a larger diameter than the nostril.

  According to the first aspect of the present invention, the intake tube and the nasal discharge tube are connected and connected to the nasal discharge container, and the nasal discharge nozzle attached to the tip of the nasal discharge tube is inserted into the nostril. By sucking in through the mouthpiece at the tip of the nasal discharge, a suction force is generated in the nasal discharge suction tube through the nasal discharge storage container, and the nasal discharge in the nasal cavity is sucked into the nasal discharge storage container from the nasal discharge suction nozzle through the nasal discharge suction tube. In the nasal discharge aspirator configured to be housed, a ventilation path is formed on the outer peripheral surface of the nasal discharge suction nozzle so that the nasal passage is communicated with the outside air when the nasal discharge suction nozzle is inserted into the nostril. As the nasal discharge in the nasal cavity is sucked and removed to the nasal discharge pipe side through the nasal discharge nozzle by the suction force in the suction pipe, the outside air passes through the air passage formed on the outer peripheral surface of the nasal discharge nozzle. It can be made to flow into the nasal cavity.

  Accordingly, the nasal discharge in the nasal cavity can be smoothly sucked and stored in the nasal discharge container from the nasal discharge suction nozzle through the suction pipe without increasing the negative pressure in the nasal cavity generated at the time of suction. The nasal discharge can be aspirated and removed without damaging the mucous membrane of the skin or giving the tympanic membrane an uncomfortable feeling.

  According to the invention which concerns on Claim 2, the said ventilation path is formed by providing the strip | belt long in the outer peripheral surface of this nasal discharge nozzle on the outer peripheral surface of this nasal discharge nozzle at intervals in the circumferential direction. Therefore, if the nasal discharge suction nozzle is inserted into the nostril and its outer peripheral surface is brought into close contact with the wall surface of the nostril, an air passage that reliably communicates the inside of the nasal cavity with the outside air can be configured by these grooves. .

  Similarly, instead of the above-mentioned groove, as described in claim 3, a long ridge in the length direction of the nasal discharge nozzle is provided at a predetermined interval in the circumferential direction on the outer peripheral surface of the nasal discharge nozzle. The air passage may be formed by the outer peripheral surface between the adjacent ridges, and as described in claim 4, the outer peripheral surface of the nasal discharge suction nozzle is arranged at small intervals in the length direction and the circumferential direction. Protrusions having a certain height may be provided so that a ventilation path is formed by a gap between adjacent protrusions. In any case, the nasal cavity suction nozzle was inserted into the nostril, and the top surface of the ridge and the top surface of the protrusion were brought into close contact with the hole wall of the nostril, so that the inside of the nasal cavity was reliably communicated with the outside air. An air passage can be formed.

  According to the invention of claim 5, since the shape of the nasal discharge suction nozzle is formed in a spindle shape having a tip portion smaller in diameter than the nostril and a central portion larger in diameter than the nostril, the nasal discharge sucking into the nostril The insertion of the nozzle can be performed smoothly and reliably without causing pain or incongruity, as well as the vent passage is formed on the outer peripheral surface of the spindle-shaped nasal discharge nozzle, so when the nasal discharge nozzle is inserted into the nostril In addition, even if nasal discharge enters the air passage, the nostril is blocked only by the large diameter air passage portion of the nozzle that is in close contact with the hole wall. As described above, the nasal fluid in the nasal cavity can be removed without increasing the negative pressure generated in the nasal cavity during the suction, as described above. Nose through suction tube from suction nozzle It can be smoothly sucked and housed in the housing container.

The perspective view of this invention nasal aspirator. The longitudinal side view. The perspective view of a nasal discharge suction nozzle. The top view seen from the front end side. The side view which shows an example of a use condition. The simplified cross section of the state which inserted the nasal discharge suction nozzle in the nostril. The simplified perspective view which shows another example of a use condition. The perspective view which shows another structure of a nasal discharge suction nozzle. The top view seen from the front end side. The simplified cross-sectional view of the state which inserted this nasal discharge suction nozzle in the nostril. The perspective view which shows another structure of a nasal discharge suction nozzle.

  Next, a specific embodiment of the present invention will be described with reference to the drawings. In FIGS. 1 and 2, a nasal discharge aspirator A includes a flexible nasal discharge pipe 1 having a nasal discharge suction nozzle 2 attached to the tip. A base end portion and a base end portion of a flexible intake pipe 3 having a mouthpiece 4 attached to the tip end are connected to and communicated with the upper end portion of the nasal discharge container 5, respectively. In addition to inhaling, a suction force is generated in the nasal discharge tube 1 through the intake tube 3 and the nasal discharge container 5, and the nasal discharge nozzle 2 inserted into the nostril B communicates with the nasal discharge nozzle 2. The nasal discharge in the nasal cavity C is sucked and stored in the nasal discharge container 5 through the nasal discharge pipe 1.

  The nasal discharge pipe 1 and the intake pipe 3 are soft synthetic resin pipes such as silicone resin, but the nasal discharge suction nozzle 2 and the mouthpiece 4 may be either soft or hard synthetic resin molded products. The nasal discharge container 5 is made of a synthetic resin molded product, and its upper end opening is sealed with a cap body 6. The cap body 6 is provided with a female screw portion 6a on the inner peripheral surface, and is detachably screwed with a male screw portion 5a provided on the outer peripheral surface of the upper end of the opening of the nasal discharge container 5. The nasal discharge container 5 is preferably made of a transparent or translucent synthetic resin such as polystyrene resin or polycarbonate resin.

  Further, a seal piece 7 is attached to the outer peripheral portion of the lower surface of the top wall portion of the cap body 6, and the inside of the container is made airtight by bringing this seal piece 7 into close contact with the upper end surface of the lip of the nasal discharge container 5. It is configured.

  In addition, connecting cylinder portions 8 and 9 in which the base end portion of the nasal discharge suction tube 1 and the base end portion of the intake pipe 3 are detachably and airtightly connected to two places on the top wall portion of the cap body 6, respectively. Are projecting upward, and the lower end portions of these connecting cylinder portions 8 and 9 are projected downward from the lower surface of the top wall portion of the cap body 6 to penetrate the connecting cylinder portions 8 and 9. Through the holes 8a and 9a, the upper end portion of the nasal discharge container 5 is communicated with the nasal discharge suction pipe 1 and the intake pipe 3 respectively.

  In addition, these connection cylinder parts 8 and 9 which connect the nasal discharge suction pipe 1 and the intake pipe 3 respectively are not provided in the top wall part of the cap body 6, and either one is cap side 6 side. In addition, the other may be provided on the nasal discharge container 5 side. In short, if the base ends of the nasal discharge suction pipe 1 and the intake pipe 3 are communicated with the upper end of the nasal discharge storage container 5. Good.

  The nasal discharge suction nozzle 2 attached to the distal end of the nasal discharge suction tube 1 has a nasal discharge suction hole penetrating from the distal end to the proximal end. This nasal discharge nasal discharge nozzle 2 has a central part in the length direction formed in a spherical part larger than the diameter of the nostril B, and gradually becomes smaller in diameter from the large spherical part 2a toward the tip. It is formed in the insertion portion 2b having a diameter smaller than the diameter of the nostril B, and is further detachably attached to the distal end portion of the nasal discharge tube 1 on the proximal end side of the large-diameter spherical body portion 2a. The small-diameter connecting tube portion 2c that is inserted is projected to form a spindle shape as a whole.

  Further, on the outer peripheral surface of the nasal discharge suction nozzle 2, as shown in FIG. 3 and FIG. 4, a groove 10A having an appropriate depth long in the length direction of the nasal discharge suction nozzle 2 is provided at the distal end of the insertion portion 2b. Is engraved across the base end of the large-diameter spherical body 2a. A plurality of the grooves 10A are provided at predetermined intervals in the circumferential direction of the nasal discharge suction nozzle 2, and the nasal discharge is formed by the grooves 10A. When the suction nozzle 2 is inserted into the nostril B, an air passage 10 is formed which communicates the inside of the nasal cavity C with the outside air.

  The mouthpiece 4 attached to the distal end of the intake pipe 3 is formed in a flat cylindrical shape so that it can be easily held in the mouth, and a small diameter connecting cylinder portion 4a is integrally provided at the base end portion thereof. The tube portion 4a is connected to and communicated with the intake pipe 3 by being detachably attached to the tip of the intake pipe 3 so as to be in an airtight state.

  When the usage mode of the nasal aspirator A configured as described above is described, as shown in FIG. 5, the mouthpiece 4 attached to the tip of the intake pipe 3 is held in the mouth, while the nasal inhalation nozzle 2 has a large diameter. The sphere part 2a is directed to the nostril B so as to be inserted into the nostril B until it comes into close contact with the hole wall of the nostril B.

  When air in the intake pipe 3 is sucked through the mouthpiece 4 in this state, a suction force is generated in the intake pipe 3, and this suction force is transmitted to the nasal discharge pipe 1 through the nasal discharge container 5, and the nasal cavity C The nasal discharge is sucked and stored in the nasal discharge container 5 from the nasal discharge suction nozzle 2 through the nasal discharge suction tube 1 by the suction force from the nasal discharge suction nozzle 2.

  At this time, if the nasal passage B is blocked from communication with the outside air by the nasal discharge suction nozzle 2, the nasal cavity C is decompressed as the nasal discharge in the nasal cavity C is sucked and removed by the suction force from the nasal discharge suction tube 1 side. Large negative pressure is generated, and not only smooth suction and removal of the nasal discharge is difficult, but there is a risk of damaging the mucous membrane in the nasal cavity C, but the outer periphery of the nasal discharge suction nozzle 2 that is in close contact with the nostril B As described above, the air passage 10 including the groove 10A having an appropriate depth long in the length direction of the nasal discharge nozzle 2 is provided on the surface, so that the nasal discharge in the nasal cavity C is absorbed by the suction force by the suction force. As the air is sucked into and removed from the nasal discharge tube 1, the outside air flows into the nasal cavity C through the air passage 10, and nasal discharge is passed from the nasal discharge nozzle 2 through the nasal discharge tube 1 without generating a large negative pressure in the nasal cavity C. Smooth in nasal discharge container 5 Suction, can be accommodated.

  FIG. 5 shows a state where the person sucks and removes the nasal discharge in the nasal cavity C. However, in the case of an infant who cannot bite the nose himself, as shown in FIG. While a mother or other caregiver holds the mouthpiece 4 of the nasal discharge device A, the nasal discharge accumulated in the nasal cavity C in the same manner as described above with the tip of the nasal discharge suction nozzle 2 inserted into the infant's nostril B is removed. What is necessary is just to suck and remove. After the nasal discharge container A is used, the nasal discharge stored in the nasal discharge storage container 5 is removed by discharging the cap body 6, and the nasal discharge storage container 5 is discharged from the nasal discharge container 1, the nasal discharge suction nozzle 2, the intake pipe 3, and the mouse. Wash with piece 4 and use for next nasal discharge.

  In the above embodiment, the air passage 10 provided on the outer peripheral surface of the nasal discharge nozzle 2 is formed by the long groove 10A in the length direction of the nasal discharge nozzle 2, but without such a groove 10A, As shown in FIGS. 8 to 10, a long ridge 10 </ b> B extending in the length direction of the nasal discharge nozzle 2 is placed on the outer peripheral surface of the nasal discharge nozzle 2 from the tip of the insertion portion 2 b of the nasal discharge nozzle 2. A plurality of protrusions 10B are provided at predetermined intervals in the circumferential direction of the nasal discharge nozzle 2 so as to protrude between the base end portions of the portion 2a, and the nasal discharge suction nozzle 2 between the adjacent protrusions 10B and 10B is provided. The outer peripheral surface portion may form an air passage 10 including a groove having the outer peripheral surface portion as a groove bottom and the ridges 10B and 10B as both side wall portions.

  Further, instead of forming the air passage 10 by the plurality of grooves 10A and protrusions 10B which are long in the length direction of the nasal discharge nozzle 2, the outer surface of the nasal discharge nozzle 2 is formed as shown in FIG. When the protrusion 10C having a certain height is provided at small intervals in the length direction and the circumferential direction, and the nasal discharge suction nozzle 2 is inserted into the nostril B, the nasal cavity C is formed by the gap between the adjacent protrusions 10C and 10C. The air passage 10 may be formed so as to communicate with the outside air.

A nasal secretion device B nostril C nasal cavity 1 nasal discharge tube 2 nasal discharge nozzle 3 intake tube 4 mouthpiece 5 nasal discharge container 6 cap body
10 Airway

Claims (5)

  The base ends of the flexible nasal suction tube with the nasal discharge suction nozzle attached to the distal end and the flexible intake tube with the mouthpiece attached to the distal end are connected to and communicated with the nasal discharge container. The tip of the nasal discharge suction nozzle is inserted into the nostril and sucked from the mouthpiece through the intake tube, thereby generating a suction force in the nasal discharge tube through the nasal discharge container, and the nasal discharge in the nasal cavity is generated by the suction force. In the nasal discharge device configured to suck and store the nasal discharge container from the suction nozzle through the nasal discharge tube, the nasal cavity when the nasal discharge nozzle is inserted into the nostril on the outer peripheral surface of the nasal discharge nozzle. A nasal discharge device characterized by forming an air passage that communicates the inside with outside air.   By providing a plurality of long grooves in the circumferential direction of the nasal discharge nozzle on the outer circumferential surface of the nasal discharge nozzle, the air passages are formed by these grooves. The nasal aspirator according to claim 1, wherein   2. A plurality of ridges continuous in the length direction of the suction nozzle are provided on the outer peripheral surface of the suction nozzle, and an air passage is formed by the outer peripheral surface between the ridges adjacent in the circumferential direction. A nasal aspirator as described in 1.   2. The suction nozzle according to claim 1, wherein protrusions having a constant height are provided on the outer peripheral surface of the suction nozzle at small intervals in the length direction and in the circumferential direction, and an air passage is formed by a gap between adjacent protrusions. The nasal aspirator as described.   5. The nasal discharge according to claim 1, wherein the suction nozzle is formed in a spindle shape having a tip portion smaller in diameter than the nostril and a central portion larger in diameter than the nostril. Inhaler.

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