KR102143533B1 - Artificial nipple and nursing container comprising the same - Google Patents

Abstract

An object of the present invention is to provide an artificial pacifier suitable for breastfeeding movement of infants and toddlers and a nursing machine having an artificial pacifier.
The artificial nipple (2) has a base (71) having an overhang (77) at the top, a nipple body (72, 73) formed above the overhang (77) and a nipple (74) having a perforated (74a) And, the nipple trunks 72 and 73 and the nipples 74 are generally substantially conical, and the substantially conical central axis C1 is the upper jaw during lactation with respect to the central axis C2 of the base 71 It is inclined to the side.

Description

Artificial nipple and nursing container comprising the same}

The present invention relates to an artificial pacifier and a nursing machine having an artificial pacifier.

An artificial pacifier mounted on a breastfeeding machine body, such as a bottle that holds a beverage for infants and toddlers such as milk or previously exploited breast milk, and a breastfeeding machine having an artificial pacifier are widely used in the feeding of infants and toddlers. Artificial pacifiers and breastfeeding machines are known in which the shape of the pacifier main body is rotationally symmetric around the central axis of the stray plane, for example, in a substantially conical shape (Patent Document 1).

Prior art literature

(Patent Document)

Patent Document 1: Japanese Laid-Open Patent Publication No. 2011-92551

The breastfeeding movement of infants and toddlers is a complex thing following a change in the shape of the lips or the peristalsis of the tongue. Therefore, it is not limited that a shape that is rotationally symmetric around the center axis of the breastfeeding period is suitable for the breastfeeding movement, like the pacifier body described in Patent Document 1. If the shape of the pacifier body is not suitable for the breast-feeding movement, the beverage discharged from the breast-feeding period into the oral cavity may not be drunk and flow out of the mouth to prevent efficient feeding. In addition, when an infant bites an artificial nipple, the upper lip may be wound inside the mouth due to friction with the body of the artificial nipple. Moreover, not only for the purpose of breastfeeding, but also for infants and toddlers who bite on an artificial pacifier, because they bite or pull strongly as a play, the body of the pacifier may fall out of the lactation period.

It is an object of the present invention to provide an artificial pacifier suitable for breastfeeding movement of infants and toddlers and a breastfeeding machine having an artificial pacifier.

According to an embodiment of the present invention, a base having an overhang portion at an upper end, a nipple body portion formed above the overhang portion, and a nipple portion having a perforation portion, and the nipple body portion and the nipple portion There is provided an artificial pacifier characterized in that it is generally substantially conical, and the substantially conical central axis is inclined toward the upper jaw during lactation with respect to the central axis of the base.

In addition, according to another embodiment of the present invention, the nipple body portion has a first nipple body portion and a second nipple body portion having an annular convex curved surface that gradually decreases in diameter upward, and the first nipple body portion and The second nipple body portion is partitioned by a first tightening portion formed of an annular concave curved surface, and the second nipple body portion and the nipple portion are partitioned by a second tightening portion formed of an annular concave curved surface There is provided an artificial pacifier characterized in that it is.

That is, in these embodiments, the upper jaw side of the artificial nipple is in close contact with the upper jaw of the infant through the fact that the substantially conical central axis of the nipple body and the nipple is inclined toward the upper jaw during lactation with respect to the central axis of the base. In the state, it is possible to secure a wide area on the lower jaw side of the pacifier. As a result, the degree of freedom of movement of the tongue can be improved. As a result, it is possible to provide an artificial pacifier suitable for breastfeeding movement of infants and infants and a nursing machine having an artificial pacifier.

Further, according to another embodiment of the present invention, there is provided an artificial pacifier characterized in that the nipple portion has a substantially spherical shape, and a concave curved surface is formed on the lower jaw side of the nipple portion during lactation. In other words, in the present embodiment, the concave curved surface is formed on the lower jaw side of the nipple to prevent the tip of the raised tongue from falling out of the nipple during the breast movement of infants and toddlers, thereby reliably discharging the beverage. You will be able to.

Further, according to another embodiment of the present invention, there is provided an artificial pacifier characterized in that the upper jaw-side surface of the nipple body portion has less irregularities on the entire surface than the lower jaw-side surface.

That is, in the present embodiment, the upper jaw side portion of the artificial pacifier is in close contact with the upper jaw of the infant, so that stable breastfeeding movement can be performed. In addition, since the upper jaw side of the pacifier is in close contact with the upper jaw of the infant, it is possible to reliably lower the pressure in the oral cavity by suction, thereby enabling efficient feeding. Moreover, since the entire upper jaw side of the pacifier is less uneven, the upper lip of the infant is prevented from being rolled into the mouth due to friction with the pacifier.

Further, according to another embodiment of the present invention, when the artificial pacifier is installed with respect to the installation member, there is provided an artificial pacifier characterized in that the installation member and the overhang portion 77 are separated from each other. That is, in this embodiment, even if an infant bites the artificial nipple to the inside, lips are prevented from being caught between the mounting member and the overhang of the artificial nipple.

Further, according to another embodiment of the present invention, there is provided an artificial nipple, wherein the perforation is formed in the vicinity of the top portion near the upper jaw side of the nipple portion. That is, in the present embodiment, since the perforations are formed in the vicinity of the top portion near the upper jaw side of the nipple portion, the discharged beverage is prevented from directly touching the inside of the throat.

Further, according to another embodiment of the present invention, there is provided a breastfeeding machine including the pacifier and the breastfeeding machine body of the above-described embodiment.

According to the present invention, it has a common effect that it is possible to provide an artificial pacifier suitable for the breastfeeding movement of infants and infants and a nursing machine having the artificial pacifier.

1 is a perspective view of a breastfeeding according to an embodiment of the present invention.
FIG. 2 is a partial longitudinal sectional view including the breastfeeding nipple of FIG. 1.
3 is a top view of the mounting member of the breastfeeding machine of FIG. 1.
4 is a front view of the installation member of FIG. 3.
5 is a cross-sectional view of the installation member of FIG. 3 taken along line AA.
6 is a top view of the first ventilation member of the breastfeeding nipple of FIG. 1.
7 is a bottom view of the first ventilation member of FIG. 6.
8 is a cross-sectional view taken along line AA of the first ventilation member of FIG. 6.
9 is a cross-sectional view taken along line BB of the first ventilation member of FIG. 6.
10 is a cross-sectional view taken along line CC of the first ventilation member of FIG. 7.
11 is a top view of a second ventilation member of the breast-feeding nipple of FIG. 1.
12 is a front view of the second ventilation member of FIG. 11.
13 is a cross-sectional view taken along line AA of the second ventilation member of FIG. 11.
14 is a top view of the body of the artificial nipple of the breastfeeding nipple of FIG. 1.
15 is a front view of the pacifier body of FIG. 14.
FIG. 16 is a right side view of the pacifier body of FIG. 14.
FIG. 17 is a cross-sectional view of the pacifier body of FIG. 14 taken along line AA.
18 is a cross-sectional view of the pacifier body of FIG. 16 taken along line BB.
19 is a perspective view showing the fitting between the first vent member and the second vent member.
Fig. 20 is a diagram explaining flow rate measurement in the breastfeeding phase of Fig. 1;

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Corresponding elements are assigned a common reference numeral throughout all drawings.

1 is a perspective view of a breastfeeding machine 1 according to an embodiment of the present invention, and FIG. 2 is a partial longitudinal sectional view including an artificial nipple 2 of the breastfeeding machine 1 of FIG. 1. Incidentally, in the present specification, in the description of each of the constituent members of the feeding machine 1, it is defined as'upper' or'bottom' based on the arrangement within the feeding machine 1 in a horizontal plane.

The breastfeeding machine 1 has an artificial nipple 2, an installation member 3, and a breastfeeding body 4. The artificial nipple 2 has a first ventilation member 5 that is a vent part, a second ventilation member 6 that is a vent stopper, and an artificial nipple body 7. The breastfeeding body 4 is a bottle or the like that holds a beverage for infants and toddlers such as milk or breast milk previously exploited, and is formed of, for example, glass or hard synthetic resin. The pacifier body 7 is mounted to the breastfeeding body 4 through the first vent member 5 and the second vent member 6, and as described later, the installation member 3 is fitted to the breastfeeding body 4 It is fixed by screwing against it.

FIG. 3 is a top view of the installation member 3 of the sucker 1 of FIG. 1, FIG. 4 is a front view of the installation member 3 of FIG. 3, and FIG. 5 is a line AA of the installation member 3 of FIG. It is a cross-sectional view from

The mounting member 3 is a cylindrical member and is formed by integrally molding a hard synthetic resin, for example polypropylene. The installation member 3 has an installation member main body 31 and an annular flange portion 32 extending radially inward from the upper end of the installation member main body 31. The flange portion 32 partitions the upper opening 33. The artificial nipple 2 protrudes upward through the opening 33. An annular fitting protrusion 34 (FIG. 5) extending downward is formed on the lower surface of the flange portion 32. The fitting protrusion 34 fits with the fitting groove 75a of the pacifier main body 7 as described later. The lower circumference of the mounting member main body 31 partitions an opening 35 having a larger diameter than the upper opening 33. On the inner circumferential surface of the mounting member main body 31, a female threaded portion 36 for screwing with a male threaded portion 41 (FIG. 2) provided on an outer circumferential surface of the upper end portion of the breastfeeding machine main body 4 is formed.

6 is a top view of the first ventilation member 5 of the artificial nipple 2 of the breast feeding machine 1 of FIG. 1, FIG. 7 is a bottom view of the first ventilation member 5 of FIG. 6, and FIG. 8 is 6 is a cross-sectional view along line AA of the first ventilation member 5 of FIG. 6, FIG. 9 is a cross-sectional view along line BB of the first ventilation member 5 of FIG. 6, and FIG. 10 is a first ventilation member ( 5) is a cross-sectional view taken along line CC.

The first ventilation member 5 is a donut-shaped member and a plate-shaped member, and is formed by integrally molding an elastic material such as a soft synthetic resin, for example, a silicone resin. An annular flange portion 51 extending radially outwardly is provided below the outer peripheral surface of the first ventilation member 5. Further, four circular fitting holes 52a, 52b, 52c, 52d are formed on the upper surface of the first ventilation member 5. Each of the fitting holes 52a, 52b, 52c, 52d is arranged at equal intervals around the central axis of the first ventilation member 5. In each of the fitting holes 52a, 52b, 52c, non-return valves 53, 54, 55 are provided, respectively. In the fitting hole 52d, a non-return valve is not provided and is closed. Therefore, it can be said that the first ventilation member 5 has three ventilation holes 53, 54, 55 as the check valves 53, 54, 55. On the other hand, a closed boss portion 56 is formed on the rear surface of the first ventilation member 5 corresponding to the fitting hole 52d, and an opening 57 is formed in the center of the first ventilation member 5 have.

Each of the non-return valves 53, 54, 55 has a pair of valve bodies. For example, the non-return valve 53 has a pair of valve bodies 53a and 53b as shown in FIGS. 7 and 10. The valve bodies 53a and 53b are flat movable pieces extending obliquely downward from the inner circumferential surface of the fitting hole 52a. A slit 53c extending along the radial direction of the first vent member 5 is formed between the tip ends of each of the valve bodies 53a and 53b. Fig. 8 is a cross-sectional view through the slit 53c, so the slit 53c does not appear in Fig. 8, and only one valve body 53a is shown. A barrier 53d is formed around the lower valve bodies 53a and 53b of the first vent member 5.

Normally, as shown in FIG. 10, the slit 53c is closed so that the valve body 53a, 53b may become a wedge-shaped cross section. Accordingly, the pressure caused by the flow of gas or the like from the lower side of the first ventilation member 5 to the upper side acts in a direction in which the valve bodies 53a and 53b are more closed. That is, the slit 53c remains closed, and the check valve 53 is closed against the flow from the lower side to the upper side of the first ventilation member 5. On the other hand, the pressure due to the flow from the top to the bottom of the first ventilation member 5 acts in a direction in which the tip ends of the valve bodies 53a and 53b are separated from each other. Accordingly, the slit 53c is opened, and the non-return valve 53 is opened with respect to the flow from the top to the bottom of the first vent member 5.

Other non-return valves 54 and 55 are the same as those of the non-return valve 53 with respect to the basic configuration and operation other than the shape of the valve body, and thus will be briefly described. The non-return valve 54 has a pair of valve bodies 54a and 54b. The valve bodies 54a and 54b are movable pieces of a curved surface extending obliquely downward from the inner circumferential surface of the fitting hole 52b. A slit 54c extending along the radial direction of the first vent member 5 is formed between the tip ends of each of the valve bodies 54a and 54b. A partition wall 54d is formed around the lower valve bodies 54a and 54b of the first ventilation member 5. Normally, the slit 54c is closed so that the valve bodies 54a, 54b may become an arc-shaped cross section. That is, in normal times, the valve bodies 54a and 54b form one convex curved surface as a whole.

The non-return valve 55 has a pair of valve bodies 55a and 55b. The valve bodies 55a and 55b are flat movable pieces extending from the inner circumferential surface of the fitting hole 52c in the transverse direction. A slit 55c extending along the radial direction of the first vent member 5 is formed between the tip ends of each of the valve bodies 55a and 55b. A partition wall 55d is formed around the lower valve bodies 55a and 55b of the first ventilation member 5. In normal times, the slit 55c is closed so that the valve bodies 55a and 55b have a straight cross section. That is, in normal times, the valve bodies 55a and 55b form one plane as a whole.

The above-described three non-return valves 53, 54 and 55 increase the pressure due to the flow required to open in the order of this description, that is, the pressure due to the flow required to open each of the slits 53c, 54c, and 55c. This depends on the magnitude of the force component of the force acting in the direction of separating the tip ends of each valve body in the case where the pair of valve bodies is subjected to pressure due to the flow from the top to the bottom of the first vent member 5. When each non-return valve is subjected to the same pressure in the flow direction in which each is opened, that is, when it is placed under the same pressure difference, the magnitude of the force acting on each valve body is circular arc toward the valve body arranged in a wedge shape. It is larger than the valve body arranged in a shape, and the valve body arranged in an arc shape is larger than the valve body arranged in a linear shape. Therefore, the opening area of each slit 53c, 54c, 55c when arranged under the same pressure difference decreases in the order of this description, and the flow rate of the check valves 53, 54, 55 also decreases in this order.

FIG. 11 is a top view of the second ventilation member 6 of the artificial nipple 2 of the breastfeeding machine 1 of FIG. 1, FIG. 12 is a front view of the second ventilation member 6 of FIG. 11, and FIG. 13 is It is a sectional view taken along line AA of the 2nd ventilation member 6 of 11.

The second ventilation member 6 is a donut shape and a flat plate shape member, and is formed by integrally molding a hard synthetic resin such as polypropylene. In the vicinity of the upper opening 61 of the second ventilation member 6, an annular support wall 62 extending upward is formed. Further, on the lower surface of the second ventilation member 6, an annular circumferential wall 63 extending downward from the outer circumferential portion thereof is formed. Accordingly, a concave portion 64 partitioned by the peripheral wall 63 is formed on the lower surface of the second ventilation member 6. The first vent member 5 is fitted into the recess 64 as described later.

A hollow boss portion 65 extending downward is formed in a portion of the lower surface portion corresponding to the upper surface portion of the second ventilation member 6 on which the support wall 62 is formed. On the upper surface of the second ventilation member 6, a groove 66 having a semicircular cross section extending from the outer circumferential surface of the second ventilation member 6 toward the inside in the radial direction is formed. The groove 66 having a semicircular cross-section communicates into the hollow boss portion 65 and forms a vent hole 67.

14 is a top view of the pacifier main body 7 of the pacifier 2 of the breastfeeding machine 1 of Fig. 1, Fig. 15 is a front view of the pacifier main body 7 of Fig. 14, and Fig. 16 is It is a right side view of the pacifier main body 7, Fig. 17 is a sectional view taken along line AA of the pacifier main body 7 of Fig. 14, and Fig. 18 is a sectional view taken along line BB of the pacifier main body 7 of Fig. 16 .

The pacifier body 7 is an entirely hollow member, and is formed by integrally molding an elastic material such as a soft synthetic resin, for example, a silicone resin. The pacifier body 7 has a base 71, a first nipple body 72, a second nipple body 73, and a nipple portion 74. The base 71 has a flange portion 75, a neck portion 76, and an overhang portion 77.

The flange portion 75 extends in an annular shape from the lower end of the cylindrical neck portion 76 outward in the radial direction. On the upper surface of the flange portion 75, an annular fitting groove 75a for fitting with a fitting protrusion 34 provided on a lower surface of the flange portion 32 of the mounting member 3 is formed (FIG. 2). The outer diameter of the flange portion 75, the outer diameter of the flange portion 51 of the first vent member 5, and the outer diameter of the second vent member 6 are approximately the same. The inner diameter of the opening 78 of the flange portion 75, the inner diameter of the opening 57 of the first ventilation member 5, and the inner diameter of the opening 61 of the second ventilation member 6 are approximately the same ( Fig. 2).

The neck portion 76 is formed to be slightly longer in the axial direction than the thickness of the flange portion 32 of the mounting member 3 so as to fit in the opening 33 of the mounting member 3. In addition, the outer diameter of the neck portion 76 is formed very slightly thinner than the lower flange portion 75 and the upper overhang portion 77.

The overhang portion 77 is an annular convex curved surface gradually increasing in diameter from the upper end of the neck portion 76 to the top, and the largest diameter portion 77a, which is an annular portion having the largest external diameter in the overhang portion 77 ) Through the first nipple torso 72. On the other hand, the overhang portion 77 may be formed in a flange shape extending radially outward from the upper end of the neck portion 76 in an annular shape.

The first nipple body portion 72, the second nipple body portion 73, and the nipple portion 74 have a substantially conical shape with the tip of the nipple portion 74 as the top point. This substantially conical center axis C1 is inclined toward the upper jaw with respect to the center line axis C2 of the base 71. In other words, the pacifier body 7 has a rotational symmetrical bobbin shape centered on the central axis C2 at a lower portion of the base 71, that is, the maximum diameter portion 77a of the overhang portion 77, and the maximum diameter The upper portion of the portion 77a has a shape similar to that arranged on the base 71 by inclining the cone. Therefore, the breastfeeding machine 1 according to the present invention has a direction for proper use, and when breastfeeding, it is necessary to be bitten by the infant so that the right side is the upper jaw side and the left side is the lower jaw side. In this embodiment, the inclination angle is 7°, but other angles may be used.

The first nipple body portion 72 and the second nipple body portion 73 are annular convex curved surfaces whose diameter gradually decreases upward. The first nipple body portion 72 and the second nipple body portion 73 are partitioned by a first tightening portion 79 formed of an annular concave curved surface. In other words, the first nipple body portion 72 and the second nipple body portion 73, which are both convex and curved surfaces, are continuously connected by the first tightening portion 79. Accordingly, the first nipple body portion 72 is partitioned by the maximum diameter portion 77a of the overhang portion 77 and the first tightening portion 79.

The nipple portion 74 has a substantially spherical shape, and a perforation 74a (Fig. 14), which is a through hole for feeding, is formed in the vicinity of the top portion near the upper jaw side. Since the perforated hole 74a is disposed in the vicinity of the top near the upper jaw side, when an infant is breast-feeding, the discharged beverage is prevented from directly touching the inside of the throat. The perforation 74a is preferably disposed at a position where the discharged beverage reaches the throat via the upper jaw. A concave curved surface 74b is formed on the lower jaw side or slightly above the nipple portion 74. The concave curved surface 74b is formed at an angle more inclined toward the upper jaw than the central axis C1.

The second nipple body portion 73 and the nipple portion 74 are partitioned by a second tightening portion 80 made of an annular concave curved surface. In other words, the convex curved second nipple body portion 73 and the substantially spherical nipple portion 74 are continuously connected by the second tightening portion 80. Accordingly, the second nipple body 73 is partitioned by the first tightening portion 79 and the second tightening portion 80.

Next, another feature of the pacifier body 7 will be described while explaining the breastfeeding movement of infants and toddlers who bite the pacifier body 7. Infants and toddlers squeeze while aspirating a drink from the pacifier body 7 by the peristalsis of the tongue. At this time, infants and toddlers press the pacifier body 7 with the upper jaw with the tip of the raised tongue, and move the bump into the throat. That is, the pacifier body 7 is pressed while moving from the bottom to the top by the raised portion of the tongue. The path through which the tongue passes in the pacifier body 7, that is, shown in FIGS. 14 and 15 By adjusting the hardness of the region R on the lower jaw side, the degree of freedom of movement of the tongue can be improved. As a result, as a function of the pacifier body 7 itself, it causes the peristalsis of the tongue of infants and young children, so that infants and toddlers can perform the breastfeeding movement more smoothly. This will be described with reference to FIG. 17.

The infant's breastfeeding movement is initiated by pressing the raised tip of the tongue against the abutting portion 73a, which is the lower jaw side of the second nipple body 73. Therefore, first of all, it is necessary to form the pacifier body 7 so that this part is easily pressed. This is realized by the presence of a cavity portion 81 formed by the inner surface of the overhang portion 77 and the inner surface of the first nipple body portion 72. That is, when the abutting portion 73a of the second nipple body 73 is pressed by the raised tip of the tongue, the upper portion of the first nipple body 72 is elastically deformed into the inner circumference of the cavity 81. Subsequently, as the tip of the raised tongue moves upward, the upper portion of the first nipple body portion 72 is restored, and the restoring force assists the movement of the tongue upward. At this time, the beverage is gradually compressed toward the nipple portion 74 in the inside of the pacifier body 7.

Next to the second nipple body portion 73, which is the starting point of the infant's breast-feeding movement, the portion to be formed to be easily crushed is the boundary region between the nipple portion 74 and the second tightening portion 80, that is, the nipple portion 74 It is the lower part K of the concave curved surface 74b of ). This is achieved by making the center C of the concave curved surface 74b of the nipple 74 and the upper part J of the second throttle 80 before and after the portion K in the path through which the tongue passes. . By forming the lower end portion K of the concave curved surface 74b to be easily crushed, the beverage can be efficiently discharged from the perforated hole 74a. In one embodiment, the upper portion (J) of the second tightening portion 80 is 0.9 mm thick, and the center (C) of the concave curved surface 74b of the nipple portion 74 is 0.8 mm thick. The lower part K of the concave curved surface 74b of the head 74 is set to a thickness of 1.3 mm.

Moreover, the breast movement of infants and toddlers is terminated by pressing from the tip of the raised tongue to the tip of the nipple portion 74 and returns to the starting point again. In the case where the entire nipple portion 74 is made into a spherical shape, that is, a convex curved surface, The tip of the raised tongue may slip right before the end point and fall out of the path, making it difficult to discharge the beverage. However, since the nipple portion 74 of the pacifier body 7 has the above-described concave curved surface 74b, the tip of the raised tongue can be moved to the end point without dropping it from the path of the nipple portion 74. do.

The artificial pacifier body 7 has the above-described various characteristic configurations on the path of the infant's tongue, so that the infant's tongue peristalsis can be induced, so that the infant can perform the breastfeeding movement more smoothly.

Further, the upper jaw side surfaces of the first nipple body portion 72 and the second nipple body portion 73 are formed with a convex curved surface protruding smaller than that of the lower jaw side surface. Accordingly, the entire upper jaw side of the pacifier main body 7 has less irregularities. For this reason, the upper jaw side portion of the pacifier main body 7 is in close contact with the upper jaw of the infant, so that the breastfeeding movement can be stably performed. In addition, since the upper jaw side portion of the pacifier main body 7 is in close contact with the upper jaw of an infant and young child, the oral cavity can be reliably lowered by suction, thereby enabling efficient lactation. Moreover, since the entire upper jaw-side surface of the pacifier body 7 is less uneven, the upper lip of the infant and toddler is prevented from being rolled into the mouth due to friction with the pacifier body 7.

Moreover, as described above, the pacifier main body 7 is substantially inclined to the upper jaw side with respect to the central axis C2 of the base 71, so that the pacifier main body 7 With the upper jaw in close contact with the infant's upper jaw, a wide area and a large cavity 81 can be secured on the lower jaw side of the pacifier body 7. As a result, the degree of freedom of movement of the tongue can be improved.

Since the pacifier body 7 is made of a soft synthetic resin, it can be colored in various ways. Conventional pacifiers are made of transparent or white, cloudy silicone resin. However, the pacifier body 7 may be colored in a warm color such as pink or apricot color, or other colors. By coloring the entire body 7 of the artificial pacifier and making it a color other than a transparent or white or cloudy color, it is possible to prevent confusion with other people's breastfeeding in a hospital or the like, and to increase visibility. Moreover, by coloring in a warm color system, it can contribute to the improvement of the appetite of infants and toddlers, and make infants feel gentle and intimate. Furthermore, by partially coloring the pacifier main body 7 to give a figure or pattern, an artificial pacifier with high design can be obtained. On the other hand, instead of coloring, you may use a carved seal or the like. For example, as shown in Fig. 14, characters such as "UP" may be engraved so that the direction at the time of use can be easily determined.

19 is a perspective view showing the fitting of the first ventilation member 5 and the second ventilation member 6. Before assembling the breastfeeding machine 1, it is first necessary to fit the first ventilation member 5 and the second ventilation member 6 into place. That is, as described above, the first ventilation member 5 has three non-return valves 53, 54 and 55 corresponding to the ventilation holes. As described above, under the same pressure difference, since the flow rates obtained by each of the check valves 53, 54, and 55 are different, one suitable check valve is selected. Cover the second vent member 6 with respect to the first vent member 5 from above so as to insert the boss portion 65 of the second vent member 6 into the fitting hole in which the selected check valve is disposed. , The fitting is completed. That is, the first ventilation member 5 is fitted into the concave portion 64 of the second ventilation member 6, and at this time, the bottom surface of the circumferential wall 63 of the second ventilation member 6 and the first The upper surface of the flange portion 51 of the ventilation member 5 abuts. As a result, one ventilation hole that communicates the upper and lower portions of the integrated first ventilation member 5 and the second ventilation member 6, that is, a ventilation hole corresponding to the selected non-return valve is obtained. In other words, the first ventilation member 5 and the second ventilation member 6 constitute a flow rate adjustment mechanism. On the other hand, the hollow boss portion 65 and the groove 66 of the second ventilation member 6, that is, the shape of the ventilation hole 67, are designed so as not to hinder the flow of gas through the selected non-return valve.

Moreover, before assembling the breastfeeding machine 1, the pacifier body 7 is installed with respect to the mounting member 3. That is, the pacifier body 7 is inserted through the opening 35 and the opening 33 from the bottom of the mounting member 3. Since at least the outer diameter of the maximum diameter portion 77a of the overhang portion 77 of the pacifier body 7 is larger than the inner diameter of the opening 33 of the mounting member 3, the pacifier body 7 is resilient. Insert while transforming. Finally, the pacifier body 7 is inserted until the flange portion 32 of the installation member 3 is disposed on the neck portion 76 of the pacifier body 7. In the state where the installation of the pacifier body 7 to the mounting member 3 is completed (Fig. 2), the fitting protrusion 34 of the flange portion 32 of the mounting member 3 is It is fitted with the fitting groove 75a of the flange portion 75. Therefore, even if the infant or child strongly bites and pulls the pacifier body 7, the pacifier body 7 does not easily come off the installation member 3.

Here, in the state in which the pacifier 2 is attached to the mounting member 3, the flange portion 32 of the mounting member 3 and the overhang portion 77 of the pacifier body 7 are separated. Moreover, since the diameter of the overhang portion 77 gradually increases from the upper end of the neck portion 76 toward the top, the distance between the two members is widening toward the outer side in the radial direction. With this configuration, even if an infant bites the pacifier body 7 to the inside, between the flange part 32 of the installation member 3 and the overhang part 77 of the pacifier body 7 No lips get stuck.

When the final assembly of the breastfeeding machine 1 will be described, first, as described above, on the opening end of the breastfeeding machine body 4 containing the beverage, for example, a non-return valve 53 is selected and fitted. The first ventilation member 5 and the second ventilation member 6 are placed. Subsequently, the mounting member 3 and the pacifier body 7 installed in advance are covered from above, and the mounting member 3 is screwed with respect to the breastfeeding body 4 to complete the assembly (Fig. 2). At this time, the support wall 62 formed on the upper surface of the second ventilation member 6 is in contact with the lower end surface of the artificial nipple body 7. Therefore, when the mounting member 3 is screwed with respect to the breastfeeding body 4, the upper surface of the second ventilating member 6 and the lower end surface of the artificial nipple body 7 are prevented from coming into close contact with each other, even if it is closed too strongly, The ventilation hole 67 is prevented from being blocked.

When an infant sucks the artificial pacifier 2 and the pressure in the nursing period 1 decreases, a pressure difference occurs between the inside and outside of the nursing period 1. Due to this pressure difference, the non-return valve is opened, the gap between the female threaded portion 36 of the installation member 3 and the male threaded portion 41 of the sucker body 4, passes through the ventilation hole 67, and finally External air enters into the sucker through the non-return valve 53. On the other hand, by the presence of the non-return valve 53, the leakage of beverages in the breastfeeding machine 1 is prevented.

FIG. 20 is a diagram explaining flow rate measurement of the breastfeeding machine 1 of FIG. 1. In the measurement method, water at room temperature is put into the sucker 1, and the vacuum pump P sucks it at a pressure of -13 kPa, and the flow rate of the sucked water is measured. The water sucked from the breastfeeding machine 1 is accommodated in the container 100. 26.1 (ml) for the case of ventilation through the wedge-shaped non-return valve 53, the case of ventilation through the circular non-return valve 54, and the case of ventilation through the linear non-return valve 55, respectively. /min), 23.3 (ml/min), and 18.0 (ml/min). On the other hand, when ventilation in the breastfeeding device 1 was not provided, that is, when the pressure in the breastfeeding device 1 continues to decrease, the result was 14.1 (ml/min).

From the above, in accordance with the suction power of infants and infants during lactation, the ventilation hole 67 of the second ventilation member 6 is appropriately selected for communication with the ventilation holes 53, 54, 55 of the first ventilation member 5 By doing so, it is possible to adjust the flow rate of the gas flowing in from the outside of the sucker 1. For example, in the case of infants with strong suction power during lactation, the ventilation hole 55 of the first ventilation member 5 is selected so that the flow rate of gas flowing from the outside of the nursing period 1 to the inside is reduced. As a result, the pressure in the breastfeeding machine 1, which has been lowered by suction, does not seldom rise, and the amount of beverages that infants and toddlers can breastfeed with can be reduced. On the other hand, in the case of infants with weak suction power during lactation, the ventilation hole 53 of the first ventilation member 5 is selected so that the flow rate of the gas flowing from the outside of the breastfeeding machine 1 to the inside increases. As a result, the pressure in the nursing machine 1 lowered by suction is immediately raised, and the amount of beverages that infants and toddlers can breastfeed in one feeding operation can be increased. Therefore, for infants and toddlers, it is possible to adjust the proper feeding time or the flow rate of the beverage (for example, the time required to drink all the beverages in the breastfeeding period is about 15 to 20 minutes) in a simple manner. Furthermore, since the communication of the ventilation holes is achieved by fitting the concave portions (fitting holes) and the convex portions (boss portions) of the first ventilation member 5 and the second ventilation member 6, the communication of the ventilation holes is You will be able to do it more reliably.

On the other hand, the communication of the ventilation holes may be performed by fitting the concave portions and the convex portions of the first ventilation member and the second ventilation member, that is, not having a convex portion, and aligning the ventilation holes with each other. In addition, a plurality of hollow boss portions extending upwards are installed on the upper surface of the first ventilation member, and a check valve as described above is installed in the boss portion, and a through hole is installed in the corresponding second ventilation member. It may be configured to match. In addition, since the adjustment of the flow rate under the same pressure difference is substantially the same as the adjustment of the opening area of the vent hole, a non-return valve having a different valve body shape as in the above-described embodiment is not used, and is simply relative to the first vent member. A configuration may be employed in which a plurality of through holes having different opening areas are provided. Further, when the first vent member has a plurality of through holes having different opening areas, a configuration may be employed in which a check valve is provided only in the hollow boss portion of the second vent member. In the above-described embodiment, the number of vent holes was 3, but 2 or 4 or more may be sufficient.

The features of the artificial pacifier body described above are applicable not only to the above-described breastfeeding device, but also to the conventional breastfeeding device.

1: feeding
2: artificial pacifier
3: mounting member
4: breastfeeding body
7: The pacifier body
71: donation
72: 73: nipple body
74: nipple
74a: merit
77: overhang
C1, C2: central axis

Claims (7)

A base having an overhang portion at an upper end, and a nipple body portion formed above the overhang portion and a nipple portion having a perforation,
The central axis of the overall shape of the nipple body portion and the nipple portion is inclined toward the upper jaw during lactation with respect to the central axis of the base,
The nipple body portion has a first nipple body portion and a second nipple body portion having an annular convex curved surface gradually decreasing in diameter toward an upward direction, and between the first nipple body portion and the second nipple body portion, an annular shape It is partitioned by a first tightening portion made of a concave curved surface of, and between the second nipple body portion and the nipple portion is partitioned by a second tightening portion made of an annular concave curved surface,
A concave curved surface is formed on the lower jaw side of the nipple during lactation,
The thickness of the concave curved surface is reduced before and after the lower part (K), where the front of the lower part (K) is the upper part (J) of the second tightening part, and the back of the lower part (K) is the concave curved surface of the nipple part. The artificial nipple, characterized in that the center (C). delete delete The method of claim 1,
An artificial pacifier, wherein the upper jaw side surface of the nipple body portion has less irregularities as a whole surface than the lower jaw side surface. The method of claim 1,
An artificial pacifier, characterized in that when the artificial pacifier is installed with respect to the installation member, the installation member and the overhang portion (77) are separated from each other. The method of claim 1,
The artificial nipple, characterized in that the perforation is formed in the vicinity of the top portion near the upper jaw side of the nipple portion. A nursing machine comprising the pacifier according to any one of claims 1 and 4 to 6, and a nursing machine main body.

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