JPH0966099A - Milker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily squeeze mother's milk by providing a negative pressure generation means for generating a negative pressure inside a milking part, a first storage part for tentatively storing the mother's milk squeezed by the negative pressure and a second storage part for storing the mother's milk tentatively stored in the storage part. SOLUTION: This milker is provided with a hood part 10 for performing the function of squeezing the mother's milk, a driving part 20 and the storage part 40 for storing the squeezed mother's milk and the hood part 10 is provided with the milking part composed of a trumpet-like part, a cylindrical part 12 integrally formed with it and a cover part 13. Then, a tentative preservation part 14 is provided successively to a milk discharge port 121. The driving part 20 is provided with driving means 24 and 25 such as a DC motor or the like, the stop valve 143 of the tentative preservation part 14 is opened/closed by the operation of the driving means 24 and a suction/exhaust means 32 and an opening/closing means 33 such as a suction pump or the like are opened/closed by the operation of the driving means 25. The driving means 25, a suction/exhaust pipe 31, the suction/exhaust means 32 and the opening/closing means 33, etc., are turned to the negative pressure generation means and the mother's milk is squeezed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a breast pump for squeezing out milk by negative pressure.

[0002]

2. Description of the Related Art Generally, a milking machine for expressing milk has a hood portion that fits on the breast, a pump that generates a negative pressure in the hood portion, and a container for receiving the milk that is expressed. Have Such a breast pump for breast milk is disclosed in, for example, JP-A-1-317448. In a conventional breast pump, a manually operable pump is detached from a hood part and a container to be housed / held in a drive unit, and a piston of the pump is electrically driven by a motor provided in the drive unit. And reciprocating motion, the negative pressure is generated in the hood portion to squeeze out the milk.

[0003]

However, the above-mentioned conventional breast pump has a problem that it requires a drive unit and is therefore large-scale and difficult to carry.
Therefore, it is desirable that a breast pump for milking the milk can easily milk the milk with a simple structure. Then, this invention is made in order to solve the said subject, and an object of this invention is to provide the breast pump which can squeeze out breast milk easily with a simple structure.

[0004]

According to the present invention, in the breast pump for squeezing out breast milk by negative pressure, a milking section for contacting a breast and a milking section connected to the milking section are arranged. Negative pressure generating means for generating the negative pressure in the milking section, a first storage section connected to the milking section and temporarily storing the breast milk squeezed out by the negative pressure,
This is achieved by including a second storage unit that is connected to the milking unit and that stores the breast milk temporarily stored in the first storage unit.

According to the above construction, since the milking section, the negative pressure generating means, the first storing section and the second storing section are compactly integrated, the portability is excellent, and the milking section is used as the breast. The milk is squeezed out by generating a negative pressure in the milking part by the negative pressure generating means, the milk is once stored in the first storage part to release the negative pressure in the milking part, and then from the first storage part to the second storage part. Since the breast milk is transferred to the storage portion, a pulsating motion close to the natural sucking motion of the baby can be obtained, and the breast milk storing motion can be easily performed without difficulty.

[0006]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. The embodiments described below are preferred specific examples of the present invention, and therefore, various technically preferable limitations are added. However, the scope of the present invention is not limited to the following description. It is not limited to these forms unless otherwise stated.

FIG. 1 is a perspective view showing a preferred embodiment of the breast pump of the present invention, and FIGS. 2 and 3 are sectional side views of the main part thereof. This breast pump comprises a hood portion 10 that functions to squeeze breast milk, and a drive portion 2 that serves as a drive source when squeezing breast milk.
0, and the storage part 40 which stores the expressed breast milk. In this breast pump, the drive unit 20 is connected and arranged on the upper portion of the hood portion 10, and the storage portion 40 is connected and arranged on the lower portion of the hood portion 10.

First, the hood portion 10 will be described. The hood portion 10 includes a trumpet-shaped portion 11, a tubular portion 12 integrally formed with the trumpet-shaped portion 11, and the tubular portion 1
2 and a lid portion 13 integrally formed with the milking portion, and further connected to a milk outlet 121 provided at a connecting portion between the tubular portion 12 and the lid portion 13 and extending toward the storage portion 40 side. The temporary storage unit 14 is provided so as to cover the tube 122.

The trumpet-shaped portion 11 has a shape surrounding the breast and the nipple, and the trumpet-shaped portion 11 and the tubular portion 12 are
It defines a breast milk passage 111 that continues to the milk outlet 121. On the peripheral side surface of the tubular portion 12, pressure adjusting means 2 which will be described later in detail.
8 is provided, and the tube 12 is provided at the rear end of the tubular portion 12.
The tube 12 connected to 2 and extending to the drive unit 20 side
3 is integrally molded. The female screw 131 of the lid 13 is
It is detachably engaged with the male screw 402 formed around the neck portion 401 of the storage portion 40.

A trumpet-shaped portion 11 of the hood portion 10,
The tubular portion 12 and the lid portion 13 are preferably made of a transparent material, and are made of, for example, polycarbonate (P
C), polypropylene (PP), acrylic, ABS (acrylonitrile butadiene styrene copolymer resin) or the like. The temporary storage unit 14 is preferably made of an opaque material, and is made of, for example, the above-mentioned AB.
It is made of S, PP, PC or the like.

Next, the drive section 20 will be described. The drive unit 20 includes a first cover 21 and a second cover 22. The first cover 21 is detachably attached to the second cover 22. Then, the power source 23 can be replaced by removing the first cover 21. The first cover 21 and the second cover 22 are preferably made of an opaque material, for example, ABS, PP, PC or the like described above.

In the first cover 21 and the second cover 22, a power source 23 such as a battery, drive means 24 and 25 such as a DC motor connected to the power source 23, and these drive means 24 and 25. It is connectable to a control board 26 for driving and controlling the driving means 24, an opening / closing means 30 connected to the driving means 24 and opening / closing the opening / closing valve 143 of the temporary storage section 14, and a tube 123 provided at the rear end of the tubular portion 12. Intake / exhaust pipe 3 that connects the inside and outside of the trumpet-shaped portion 11 and the tubular portion 12
1, and an intake / exhaust means 32 such as a suction pump connected in the middle of the intake / exhaust pipe 31 and connected to the drive means 25,
Negative pressure release port 312 provided in the middle of the intake / exhaust pipe 31
Opening / closing means 33 for opening / closing a, power supply 23 and driving means 2
Switch 3 arranged between 4, 25 and control board 26
4 and built-in.

The power source 23 is, for example, two AA batteries, and is detachably arranged in the first cover 21. When the operator turns on the switch 34, a direct current is supplied from the power source 23 to the driving means 24, 25 and the control board 26.

Power source 23, driving means 24, control board 26,
The first opening / closing means 30, the switch 34, and the temporary storage unit 14 transfer the temporarily stored breast milk to the storage unit 30.
The storage unit is configured, and the power supply 23, the driving unit 24, the control board 26, and the switch 34 configure the driving unit of the first storage unit.

As shown in FIG. 4, the temporary storage unit 14 has a tube 141 connected to the tube 122 and a diameter smaller than the diameter of the tube 141.
And a flat plate-shaped on-off valve 143 that opens and closes an opening of the tube 142. The on-off valve 143 is attached in the vicinity of the tube 142 in the form of a lever, and is inserted into the restoring force of the spring material 144 attached to one end of the on-off valve 143 and the pin 145 slidably attached near the tube 142. The opening of the tube 142 is closed by the restoring force of the compression spring 146,
It is designed to open the second opening. Tube 141
The tube 142 constitutes a container for temporarily storing breast milk, and the opening / closing valve 143, the spring material 144 and the pin 145 constitute an opening / closing port.

The opening / closing means 30 is the drive shaft 2 of the drive means 24.
The cam 301 attached to the reference numeral 41, the cam receiving member 302 whose movement in one direction is restricted by the cam 301, and the cam receiving member 302 are fixed. A pin 303 for pushing down the pin 303 and a compression spring 304 for pushing up the pin 303 are provided.

Power source 23, driving means 25, control board 26,
The intake / exhaust pipe 31, the intake / exhaust means 32, the opening / closing means 33, and the switch 34 constitute negative pressure generating means for generating a negative pressure inside the trumpet-shaped portion 11 and the tubular portion 12.
Power supply 23, driving means 25, control board 26 and switch 3
Reference numeral 4 constitutes a driving means of this negative pressure generating means.

As shown in the exploded perspective view of FIG. 5, the intake / exhaust pipe 31 includes a plate 311 having an air passage, and a plate 312 bonded to the plate 311.
Tubes 313, 3 fixed on this plate 312
And 14. A groove-shaped first air passage 311a and a third air passage 311c are formed on the surface of the plate 311.
And a circular second air passage 311b are provided, and the air passages 311a, 311b, 311c are connected to each other inside the plate 311. Plate 312
The first through hole 312a, the second through hole 312b, and the third through hole 312c corresponding to the first air passage 311a, the second air passage 311b, and the third air passage 311c, respectively.
Is provided. The tube 313 is L-shaped, one end of which is connected to the tube 123 and the other end is closed. An opening is provided in the L-shaped bent portion, and this opening is connected to the first through hole 312a.
Further, a negative pressure release port 313a is provided on the peripheral side surface on the way to the closed other end. The tube 314 has one end connected to the third through hole 311c and the other end open.

As shown in the exploded perspective view of FIG. 5, the intake / exhaust means 32 has the drive means 25 fixed thereto and the drive shaft 2 thereof.
The plate 321 from which 51 is projected, and the drive means 2
5 and a suction pump 322 connected to the drive shaft 251. The plate 321 is integrally formed at a right angle to the plate 311. The suction pump 322 is
The diaphragm 322a, the flange portion 322b, the boss portion 322c, the sleeve 322d, and the intake valve 322e.
And an exhaust valve 322f and an eccentric member 322g.

As shown in FIGS. 6 and 7, the diaphragm 3
22a and the flange portion 322b define a pump chamber 322h. An intake valve 322e is provided on the flange portion 322b.
And an exhaust valve 322f is formed. The upper surface of the exhaust valve 322f is formed at a position lower than the upper surface of the flange portion 322b. On the other hand, the upper surface of the intake valve 322e is
It is formed so as to be flush with the upper surface of the flange portion 322b. The lower surface of the exhaust valve 322f has a flange portion 322b.
Is formed so as to be flush with the lower surface of the. On the other hand, the lower surface of the intake valve 322e is formed at a position lower than the lower surface of the flange portion 322b. The boss portion 322c is
It is integrally formed in the central portion of the diaphragm 322a. The sleeve 322d is attached to the boss portion 322c.

The suction pump 322 includes a plate 311.
And is sandwiched between the plates 312 and arranged. That is, the flange portion 322b is the second air passage 31 of the plate 311.
1b, and the intake valve 322e and the exhaust valve 3
22f and the first air passage 311a of the plate 311 and the third
After being disposed so as to be located in the air passage 311c, the diaphragm 322a is attached to the second air passage 31 of the plate 311.
It is arranged so as to project from 1b. Eccentric member 322g
Is connected to the drive shaft 251 of the drive means 25, and the eccentric portion 322h of the eccentric member 322g is rotatably inserted into the sleeve 322d.

As shown in the exploded perspective view of FIG. 8, the opening / closing means 33 has a ring-shaped member 331a and a disk-shaped member 331.
b to form a frustoconical shape, the eccentric member 32
2g is inserted inside, and the drive shaft 251 which penetrates the eccentric member 322g penetrates the center hole of the disk-shaped member 331b, and the pressing portion 331 and the eccentric member 322g. Negative pressure opening opening / closing unit 333 that opens / closes the negative pressure opening 313a of the tube 313 by the weight 332 that is equally distributed in the example) and the pressing unit 331.
And

The weight 332 has two legs made of a spring material, and one leg 332a is fixed to the outer circumference of a disk-shaped member 331b constituting the pressing portion 331, and the other leg 33 is provided.
2b is fixed to the outer periphery of the flange portion 322i at one end of the eccentric member 322g. The negative pressure opening opening / closing portion 333 is formed integrally with the plate 312 at a right angle to the plate 312.
It is fixed in this form on 34. When one end of the negative pressure opening opening / closing portion 333 is pressed by the pressing force of the pressing portion 331, the other end of the negative pressure opening opening / closing portion 333 is moved to the negative pressure opening opening 31.
When 3a is closed and one end of the negative pressure opening opening / closing portion 333 is released from the pressing force of the pressing portion 331, the other end of the negative pressure opening opening / closing portion 333 is restored by the restoring force of the compression spring 333a fixed to this one end. Can open the negative pressure release port 313a.

As shown in the sectional side view of FIG. 9 and the exploded perspective view of FIG. 10, the pressure adjusting means 28 is provided with a ventilation passage 2 in a concave portion 281a which is opened on the end face side of a substantially cylindrical body 281.
81b is connected. A bearing hole 281c is provided at the center of the bottom surface of the recessed portion 281a, and an arc-shaped communication groove 281d that communicates with the air passage 281b and extends in the circumferential direction is provided outside the bearing hole 281c.
Positioning projections 281e are provided at the portions where d is interrupted. In addition, a plurality of notches 281f notched in a V shape are provided inside the opening end of the recessed portion 281a at equal intervals in the circumferential direction, and in order to prevent the knob 282 from coming off on the outside of the opening end. Flange 281g is formed.

A nozzle plate 283,
The passage body 284 and the rotating member 285 are sequentially stored from the bottom surface side. The nozzle plate 283 is made of a circular thin plate material and has a center hole 28 having the same diameter as the bearing hole 281c at the center thereof.
3a is provided, and a protrusion 281 is provided on the outside thereof.
A through hole 283b through which e extends and a plurality of nozzle holes 283c that are concentrically arranged so as to communicate with the communication groove 281d and have different diameters are provided. Passage body 284
Has a disk shape, and a central hole 283a is formed in the center of one surface thereof.
A shaft 284a penetrating through and fitted into the bearing hole 281c is formed to project, and a protrusion 284b is formed to project at a position corresponding to the through hole 283b and the nozzle hole 283c on the other surface. This protrusion 284b has a protrusion 28
A ventilation hole 284c into which 1e can be inserted is provided, and the inserted protrusion 281e prevents the passage body 284 from rotating. The open end of the vent hole 284c can be closed by the back surface of the rotating member 285.

The rotating member 285 has a disc portion 285a loosely fitted in the recessed portion 281a, a prism portion 285b provided upright at the center of the upper surface of the disc portion 285a, and the disc portion 285a.
And an arm portion 285c having an upper end curved in an arc shape. Arm part 285c
A notch protrusion 285d protruding outward is provided at the tip of the. A passage body 284 is provided on the lower surface of the disk portion 285a.
A fan-shaped cutout passage 285e is provided which can communicate with only one of the plurality of ventilation holes 284c.
The knob 282 has an inner tubular portion 282a and an outer tubular portion 282b that are provided so as to be concentric with each other. At the center of the inner cylinder portion 282a, a prismatic hole 282c into which the prismatic portion 285b of the rotating member 285 is fitted is provided, whereby the knob 282 and the rotating member 285 are integrated in the rotational direction. Inside the outer cylinder portion 282b, a claw portion 28 that is engaged with the flange 281g to prevent coming off from the body 281.
2d is provided.

Here, when the knob 282 is rotated, the rotating member 285 also rotates in the same direction, so that the cutout passage 285d provided on the back surface of the rotating member 285 is rotationally displaced in the circumferential direction, and the vent hole of the passage body 284 is formed. It communicates with 284c. The vent hole 284c of the passage body 284 is provided with the vent passage 28 through the nozzle holes 283c provided in the nozzle plate 283 and having different diameters.
Since it communicates with 1b, the outside air according to the size of the diameter of the nozzle hole 283c flows into the ventilation path 281b. Therefore,
By selecting the nozzle hole 283c and adjusting the amount of air flowing into the ventilation path 281b, the magnitude of the negative pressure in the tubular portion 12 of the hood portion 10 can be appropriately adjusted.

When the knob 282 is rotated, the notch protrusion 2 provided at the tip of the arm portion 285c of the rotating member 285.
85d is a notch 281 provided in the concave portion 281a of the body 281 against the pressing force due to the elasticity of the arm portion 285c.
Since it moves between f, it is possible to give a feeling of moderation when rotating the knob 282 due to the change of the resistance force during the movement, and the notch 281f causes the rotating member 2 to rotate.
85 positionings can be performed.

The storage portion 40 is provided with a neck portion 401 having a male screw 402 and an opening portion 403 which are detachably engaged with the female screw 131 of the lid portion 13, and a container 404 which is integrally formed with the neck portion 401 and stores breast milk. There is. And
The container 404 has a relatively large area at the bottom to keep the breast pump stable. The storage section 40 is preferably made of a transparent material, for example, the above-mentioned P
It is made of C, PP, polyethylene or the like. By the way, the present invention is not limited to the above embodiment. For example, the power source 23 such as a battery may be arranged on the side of the storage section 40. By doing so, the stability of the breast pump can be increased. Further, the power source 23 may be via an AC adapter instead of the battery. The driving means 24 and 25 are not limited to electric motors, but may be linear motors, mainsprings, or the like.

FIG. 11 shows an example of a drive control block diagram of the negative pressure generating means and the first storage section. The power source 23 is connected to the controller 261 in the control board 26 and the driving means 24 and 25, respectively, and supplies electric power. The control section 261 is connected to the driving means 24 and 25, respectively,
The driving of the driving means 24, 25 is controlled at a predetermined timing to operate the opening / closing means 30 and the temporary storage section 14 forming the first storage section, and the intake / exhaust means 32 and the opening / closing means 33 forming the negative pressure generating means. Let

As for this control timing, for example, as shown in FIG. 12, the driving means 25 is turned on at the time point t1, and the time point t2.
When the cycle of turning off at, and turning on at time t3 is repeated, the driving means 24 repeats a cycle of turning off when the driving means 25 is on and turning on when the driving means 25 is off. The time for one cycle is, for example, 1.5 seconds, and this time is a dial 262 provided on the control board 26.
It can be changed by turning. It should be noted that a predetermined time lag may be set from turning off the driving means 25 to turning on the driving means 24.

Next, the operation of squeezing out the milk by the above-mentioned breast pump will be described with reference to the flow chart of FIG. 13 and FIGS.
7 will be described with reference to the figures showing the operating state. The arrow MA
Shows the flow of breast milk. When the operator presses the trumpet-shaped portion 11 against the breast and turns on the switch 34 (STP1), electric power is supplied from the drive source 23 to the drive means 25, and the drive shaft 251 and the eccentric member 322g rotate (STP2). ). As a result, FIG. 14 and FIG.
As shown in FIG.
The operation of being pushed or pulled by d and the boss portion 322c is repeated (STP3).

Almost at the same time, the weight 3 together with the pressing portion 333 is
32 rotates, and the centrifugal force causes the weight 332 to project outward as shown in FIG. Then, the foot 332b fixed to the flange portion 322i bends in the same position, but the foot 332a fixed to the disc-shaped member 331b.
Presses down the disk-shaped member 331b, that is, the pressing portion 331 along the drive shaft 251 (STP4). The disk-shaped member 331b pushes down one end of the negative pressure opening opening / closing portion 333, and the other end of the negative pressure opening opening / closing portion 333 is the negative pressure opening opening 3
13a is closed (STP5).

After that, when the diaphragm 322a is pulled by the sleeve 322d and the boss portion 322c, the intake valve 322e opens and the exhaust valve 322f closes, so that the air inside the trumpet-shaped portion 11 and the tubular portion 12 flows from the tube 313. The intake valve 322e passes through the first through hole 312a.
Is introduced into the pump chamber 322h through the first air passage 311a and the second air passage 311b. The diaphragm 322a is attached to the sleeve 322d and the boss portion 322c.
When pushed to, the intake valve 322e is closed and the exhaust valve 322f is opened, so that the air in the pump chamber 322h passes through the second air passage 311b and the third air passage 311c, and the exhaust valve 32
The gas is exhausted from 2f to the outside through the tube 314 through the third through hole 312c (STP6).

By repeating this intake / exhaust operation, some air flows into the tubular portion 12 from the pressure adjusting means 28, so that a predetermined negative pressure is generated inside the trumpet-shaped portion 11 and the tubular portion 12. And can be milked (STP 7, 8). Breast milk squeezed from the breast is
It flows through the milk passage 111 toward the milk outlet 123 (STP9). The breast milk that has passed through the breast milk passage 111 flows down from the milk outlet 123 and is stored in the temporary storage unit 14 (STP10).

Then, the control section 261 judges whether or not a predetermined time, that is, the time from the time t1 to the time t2 shown in FIG. 12 has elapsed (STP11), and when the predetermined time has not elapsed, the control unit 261 goes to STP8. It returns and repeats the above-mentioned operation. On the other hand, if the predetermined time has elapsed, the control unit 261
Stops the supply of electric power from the drive source 23 to the drive means 25 and stops the rotation of the drive shaft 251 and the eccentric member 322g (STP12). As a result, the diaphragm 3
The operation of pushing or pulling 22a by the sleeve 322d and the boss portion 322c is also stopped (STP13).

Almost at the same time, the weight 3 together with the pressing portion 331 is
The rotation of 32 is also stopped, and the weight 332 returns to the original state by the restoring force of the foot 332b fixed to the flange portion 322i as shown in FIG. 14 (STP14). Then, the leg 332a fixed to the disc-shaped member 331b pushes up the disc-shaped member 331b, that is, the pressing portion 331, along the drive shaft 251. Then, the restoring force of the compression spring 333a pushes up one end of the negative pressure opening opening / closing portion 333,
The other end of the negative pressure opening opening / closing part 333 opens the negative pressure opening 313a (STP15). The control unit 261 determines whether a predetermined time, that is, the time from time t2 to time t3 shown in FIG. 12 has elapsed (STP16), and when the predetermined time has not elapsed, returns to STP15 to perform the above-described operation. repeat.

Further, in STP11, when a predetermined time has elapsed, the control section 261 supplies electric power from the drive source 23 to the drive means 24 to drive the drive shaft 241 and the cam 3.
01 is rotated (STP17). Then, as shown in FIGS. 16 and 17, the cam receiving member 30 is moved by the cam 301.
2 and the pin 303 are pushed down, and further the pin 303 pushes down the pin 145. And pin 145
Then, the on-off valve 143 is opened, and the milk stored in the tube 142 is caused to flow out into the storage section 40 (STP1).
8). Further, the cam 301 rotates to rotate the cam receiving member 302.
When the pin 30 is disengaged from the
3 is pushed up, and the pin 303 and the pin 145 are separated from each other, so that the pin 145 is pushed up by the restoring force of the compression spring 146. Then, the on-off valve 1 is restored by the restoring force of the spring material 144.
43 is closed (STP19).

The control unit 261 determines whether or not a predetermined time, that is, the time from the time t2 to the time t3 shown in FIG. 12 has elapsed (STP20), and when the predetermined time has not elapsed, the control unit 261 returns to STP18. The above operation is repeated. On the other hand, when the predetermined time has elapsed, the control unit 261 stops the supply of electric power from the drive source 23 to the drive unit 24,
Stop the rotation of the drive shaft 241 and the cam 301 (ST
P21). The above operations from STP12 to STP16 and the operations from STP17 to STP21 are processed in parallel.

Then, the operator judges whether or not the milking should be stopped, and when the milking is continued, the operator does not change the state of S as it is.
Returning to TP2, the above operation is repeated. On the other hand, when the milking is stopped, the switch 34 is turned off to end the operation (STP22). The operator can judge the condition of suction by negative pressure, and when the condition is not good, the operator can adjust the pressure adjusting means 28 even during milking.

FIG. 18 shows an example of the suction pressure curve of the breast pump in the breast pump of the present invention, and FIG. 19 shows an example of the suction pressure curve of an infant. It can be seen that the suction pressure curve of the breast pump in the breast pump of the present invention is quite similar to the suction pressure curve of an infant and pulsates. The suction pressure in the breast pump of the present invention is preferably set higher than the actual suction pressure of the baby. This is because, in the case of an infant, it is considered that the fact is that the infant actually drinks breast milk including elements other than suction pressure.

In FIG. 20, a teat adapter 50 is further added to the embodiment of the breast pump shown in FIG. The teat adapter 50 is a member for preventing the breast from being sucked and causing pain during the suction operation in the hood portion 10. As shown in FIGS. 21 to 23, the teat adapter 50 includes a receiving portion 5 for receiving a breast.
1 and a portion 52. The receiving portion 51 has a trumpet shape, and the small diameter portion 53 of the receiving portion 51 is connected to the portion 52. Portion 52 is cylindrical and has a passage for breast milk. The receiving portion 51 and the portion 52 contact the inner wall of the hood portion 10 to position the teat adapter 50. The receiving portion 51 has a plurality of protrusions 5
4 are formed. By the suction operation in the hood portion 10, the breast is pressed against these protrusions 54, and stimulation or massage is performed on the abdomen of the finger or the like (mopping operation).
Such an effect can be obtained. Then, due to the synergistic effect of the action of the teat adapter 50 and the absorption of the pulsation at the time of milking described above, the state becomes closer to a state of stimulating or massaging the abdomen of the finger or the like, or an action of sucking the infant's breast milk. be able to.

Before and after using the breast pump described above, it is necessary to boil and disinfect the breast pump for sterilization.
Therefore, the hood part 10, the drive part 20, and the storage part 40 of the breast pump can be disassembled as shown in FIG.
That is, the drive unit 20 mounted on the upper portion of the hood unit 10
Since the tube 123 and the tube 313 provided in the tubular portion 12 are connected via the O-ring, the hood portion 10 can be held down and the drive portion 20 can be removed. Further, since the storage portion 40 arranged at the lower portion of the hood portion 10 is connected by connecting the female screw 131 of the lid portion 13 and the male screw 402 of the neck portion 401, the storage portion 40 can be rotated while suppressing the hood portion 10. It can be removed. If the drive unit 20 is made waterproof, the drive unit 20 can be sterilized by boiling.
It is also possible to integrate the hood part 10 and the drive part 20.

The reservoir 40 of the breast pump having the above-mentioned configuration
If, for example, a handle 61 located on the opposite side of the hood 10 or a handle 62 located on both sides of the hood 10 as shown in FIGS. 25 and 26 is provided, the handling during milking is further facilitated and the milking is further improved. The stability of the vessel can be improved.

[0045]

As described above, according to the present invention, breast milk can be easily squeezed out with a simple structure.

[Brief description of drawings]

FIG. 1 is a perspective view showing one form of a breast pump of the present invention.

FIG. 2 is a first diagram showing a cross-sectional side surface of a main part of the breast pump shown in FIG.

FIG. 3 is a second diagram showing a cross-sectional side surface of a main part of the breast pump shown in FIG.

4 is a perspective view showing a detailed example of a first storage section of the breast pump shown in FIG. 1. FIG.

5 is a first perspective view showing a detailed example of negative pressure generating means of the breast pump shown in FIG. 1. FIG.

FIG. 6 is a first diagram showing a detailed example of a main part of the negative pressure generating means shown in FIG.

FIG. 7 is a second diagram showing a detailed example of a main part of the negative pressure generating means shown in FIG.

8 is a second perspective view showing a detailed example of negative pressure generating means of the breast pump shown in FIG. 1. FIG.

9 is a sectional side view showing an example of pressure adjusting means of the breast pump shown in FIG.

10 is an exploded perspective view showing an example of the pressure adjusting means shown in FIG.

11 is a diagram showing an example of a drive control block of the breast pump shown in FIG. 1. FIG.

FIG. 12 is a timing chart showing an example of the drive control shown in FIG.

13 is a flowchart showing an operation example of the breast pump shown in FIG.

14 is a first cross-sectional side view showing an operation example of the breast pump shown in FIG. 1. FIG.

15 is a second sectional side view showing an operation example of the breast pump shown in FIG. 1. FIG.

16 is a third cross-sectional side view showing an operation example of the breast pump shown in FIG. 1. FIG.

17 is a fourth sectional side view showing an operation example of the breast pump shown in FIG. 1. FIG.

FIG. 18 is a diagram showing an example of a suction pressure curve in the breast pump shown in FIG. 1.

FIG. 19 is a diagram showing an example of an infant suction pressure curve.

FIG. 20 is a plan view showing another embodiment of the present invention including a teat adapter.

FIG. 21 is a front view of the teat adapter.

22 is a sectional view taken along line AA of the teat adapter in FIG.

FIG. 23 is a rear view of the teat adapter.

FIG. 24 is an exploded plan view of the breast pump shown in FIG.

FIG. 25 is a plan view showing another embodiment of the breast pump of the present invention.

FIG. 26 is a plan view showing still another embodiment of the breast pump of the present invention.

[Explanation of symbols]

 10 Hood part 11 Trumpet-like part 12 Cylindrical part 13 Lid part 14 Temporary storage part 20 Drive part 21 First cover 22 Second cover 23 Power supply 24 Drive means 25 Drive means 26 Control board 28 Pressure adjusting means 30 Opening / closing means 31 Intake / exhaust pipe 32 Intake / exhaust means 33 Opening / closing means 34 Switch 40 Storage section

Claims (11)

[Claims] 1. A breast pump for squeezing out breast milk by means of negative pressure, and a milking unit for applying it to the breast, and a negative pressure generating means connected to the milking unit and generating the negative pressure in the milking unit. A first storage unit that is connected to the milking unit and temporarily stores the breast milk squeezed out by the negative pressure; and a first storage unit that is connected to the milking unit and temporarily stored in the first storage unit. A breast pump, comprising a second storage part for storing the breast milk. 2. The first storage part, a container for temporarily storing the breast milk, an opening / closing port for allowing the temporarily stored breast milk to flow out to the second storage part, a first driving means, and the first storage means. The breast pump according to claim 1, further comprising: first opening / closing means for opening / closing the opening / closing opening by driving the first driving means. 3. The breast pump according to claim 2, wherein the first drive means is a DC motor. 4. The breast pump according to claim 2, wherein the first drive means is a solenoid. 5. The breast pump according to claim 2, 3 or 4, wherein the first drive means is driven by a battery. 6. The breast pump according to claim 2, 3 or 4, wherein the first drive means is driven via an AC adapter. 7. The negative pressure generating means includes a second driving means,
An intake / exhaust pipe that connects the inside and outside of the milking unit, and an intake / exhaust unit that is connected in the middle of the intake / exhaust pipe and that sucks the air in the milking unit by the drive of the second driving unit and exhausts the air to the outside of the milking unit; A second opening / closing means for closing the negative pressure opening provided in the middle of the intake / exhaust pipe by driving the second driving means, and opening the negative pressure opening for stopping the driving of the second driving means. The breast pump according to Item 1, 2, 3, 4, 5, or 6. 8. The breast pump according to claim 7, wherein the second drive means is a DC motor. 9. The breast pump according to claim 7, wherein the second drive means is driven by a battery. 10. The breast pump according to claim 7, wherein the second drive means is driven via an AC adapter. 11. A negative pressure generating operation of said negative pressure generating means,
The control part which controls the opening operation of the said 1st storage part by turns is provided, The claim 2, 3, 4, 5, 6, 7, 8, 9 or 10 is provided.
Breast pump described in.