CN107583118B - Button control type horizontal breast pump - Google Patents
Button control type horizontal breast pump Download PDFInfo
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- CN107583118B CN107583118B CN201710898431.8A CN201710898431A CN107583118B CN 107583118 B CN107583118 B CN 107583118B CN 201710898431 A CN201710898431 A CN 201710898431A CN 107583118 B CN107583118 B CN 107583118B
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Abstract
The invention provides a button-controlled horizontal breast pump, which comprises a rear cover, a silica gel diaphragm, a breast-collecting cover tee joint, a horn cover, a feeding bottle, a plunger valve, a negative pressure pump, a telescopic switch and a control circuit, and can ensure that a breast-feeding person can suck out milk in a standing, sitting and lying state, the milk can automatically flow or be sucked into the feeding bottle for storage, the milk is not wasted, the problem that the breast pump cannot be used by a person with abdominal pain is solved, and the milk sucking function can be switched more conveniently through a top-pin type telescopic mechanism. And the sucking mode is switched by the rotation of the plunger valve, so that the pressure difference is generated inside and outside the siphon tube or disappears, and the milk in the horn cover flows into the feeding bottle or is sucked into the feeding bottle.
Description
Technical Field
The invention relates to the technical field of breast pumps, in particular to a button-controlled horizontal breast pump.
Background
With the continuous development of society, the living standard of people is also continuously improved. The breast pumps sold on the market today have the following problems: the first is that the traditional breast pump, milk is sucked out of nipple by negative pressure and then is retained in the horn cover, flows into the breast collecting cover tee joint along the slope of the horn cover under the action of gravity, the user can only use the breast pump when standing or sitting, for the puerpera who has just performed cesarean section and has no recovery and pain, the lying-in woman sits or stands very inconveniently, the breast pump is used when lying, the milk is retained in the lowest horn cover and cannot flow upwards to the breast collecting cover tee joint in a countercurrent way, and the sucked colostrum has to be wasted; when the horn cover of the second conventional breast pump is not in close contact with the breast, the milk sucked out can be lost from the gap and soak clothes.
Disclosure of Invention
The invention aims to solve the problem that the breast pump cannot be used when a user is in a prone position, and provides the button-controlled horizontal breast pump which has a simple structure and a reasonable design and can avoid the defect that milk cannot flow back into a feeding bottle when the user uses the breast pump in the prone position in a manner of isolating the sucked milk and then siphoning.
The embodiment of the invention provides a button-controlled horizontal breast pump, which comprises a rear cover, a silica gel diaphragm, a breast-collecting cover tee joint, a horn cover, a feeding bottle, a plunger valve, a negative pressure pump, a telescopic switch and a control circuit,
furthermore, a bottom pipe orifice of the breast collecting cover tee joint is screwed on the bottle opening of the feeding bottle, a cylindrical pipe orifice is arranged outside a left side through orifice at the upper part of the breast collecting cover tee joint, a surrounding wall penetrating through the upper cylinder wall and connected with the inner side of the lower cylinder wall is arranged in the cylindrical pipe orifice, an overflow hole is arranged at the bottom of the surrounding wall facing the cylindrical pipe orifice, a siphon pipe penetrates through the lower part of the surrounding wall and extends out of the side of the cylindrical pipe orifice, and an air vent is also arranged;
furthermore, the plunger valve is sleeved in the enclosing wall, a Z-shaped communicating pipe is arranged at the upper part of the plunger valve, two ends of the Z-shaped communicating pipe respectively penetrate through the side surface of the plunger valve facing the mouth side of the cylindrical pipe and the side surface of the plunger valve positioned on the upper side of the upper wall of the cylindrical pipe mouth, and an L-shaped communicating pipe for communicating the bottom end surface of the plunger valve and the side surface of the plunger valve facing the mouth side of the cylindrical pipe is arranged at the lower part of the plunger valve;
furthermore, the plunger valve is sleeved in the telescopic switch and is connected with the upper wall of the cylindrical pipe orifice, so that the plunger valve can move telescopically along the inner cavity of the surrounding wall;
furthermore, a partition plate is arranged in the middle of the breast collecting cover tee joint, the left side of the partition plate is connected with the cylindrical pipe orifice to form a milk cavity, the lower part of the left side of the partition plate, the surrounding wall and the neck of the breast collecting cover tee joint form a milk channel, a silica gel diaphragm is arranged on the right side of the partition plate, and a tongue at the bottom of the silica gel diaphragm is clamped in a tongue groove at the lower part of the partition plate; the tongue integrated into one piece of silica gel diaphragm and its bottom should collect lid behind brassiere tee bend right flank joint, and the bottom of lid is provided with the notch behind this, and this notch passes through vacuum air pipe with the negative pressure pump to be connected, negative pressure chamber is constituteed to baffle, silica gel diaphragm, back lid, and the baffle still forms siphon chamber between and the silica gel diaphragm, and the baffle lower part is equipped with the intercommunicating pore.
Preferably, the cylindrical nozzle is further connected with a trumpet cover, the conical surface of the trumpet cover is provided with an annular flange, and the nipple is inwards embedded on the annular flange, so that milk sucked out of the nipple is retained in the trumpet cover above the nipple, and the milk sucked out cannot be lost due to the fact that the trumpet cover is away from the breast.
Preferably, the plunger valve is cylindrical, the bottom of the plunger valve is a frustum, the plunger valve is used for blocking the milk liquid channel and the overflow hole by the frustum when a suckling person adopts a prone position to suck milk, and the L-shaped communication hole and the Z-shaped communication hole are respectively communicated with the siphon pipe and the vent pipe.
Preferably, the partition board is connected with the outer edge of the circumference of the inner side of the cylindrical pipe orifice, and a through hole is formed in the slope surface of the lower part of the partition board.
Preferably, the lower part of the enclosing wall penetrates through a through hole on the slope surface of the partition plate, and is integrally formed with the partition plate and the neck of the bra tee joint.
Preferably, the negative pressure pump is composed of an electric air pump, an electromagnetic air valve and a control circuit.
Preferably, the telescopic switch is a pin-ejecting telescopic mechanism and comprises an outer cylinder, a rotating wheel A, a rotating wheel B, a vertical guide rail and a spring, the spring is sleeved below an annular flange at the upper part of the plunger valve, the lower part of the rotating wheel B is connected with the top of the plunger valve, the pin-ejecting telescopic mechanism is used for enabling the plunger valve to move telescopically in a surrounding wall, when the pin-ejecting telescopic mechanism extends out, a siphon tube can suck milk accumulated in a milk cavity and is used for sucking milk in a prone position, and when the pin-ejecting telescopic mechanism retracts, the sucked milk can automatically flow into a milk channel under the action of gravity.
The button-controlled horizontal breast pump provided by the embodiment of the invention can enable a breast-feeding person to suck out milk in standing, sitting and lying states, and enable the milk to flow or be sucked into a milk bottle for storage, so that the milk is not wasted, the problem that the breast pump cannot be used but the milk is not wasted by a person with abdominal pain is solved, and the breast pump function can be switched more conveniently through the top-pin type telescopic mechanism.
According to the button-controlled horizontal breast pump provided by the embodiment of the invention, the breast pumping mode is switched by rotating the plunger valve, so that the pressure difference is generated inside and outside the siphon tube or disappears, and the milk in the horn cover flows into the milk bottle automatically or is sucked into the milk bottle.
Drawings
Fig. 1 is an exploded view of a button-controlled horizontal breast pump according to the present invention.
Fig. 2 is an exploded view of the telescopic switch of the button-controlled horizontal breast pump according to the present invention.
Fig. 3 is a partially enlarged structural diagram of a portion B of the vertical type horizontal breast pump with the button control according to the present invention, when the telescopic switch is retracted.
Fig. 4 is a partial enlarged structural diagram of the position B when the telescopic switch is extended back during horizontal milk pumping of the button-controlled horizontal breast pump provided by the invention.
Fig. 5 is a plan view a and a bottom view b of a partition plate of a button-controlled horizontal breast pump according to the present invention.
FIG. 6 is a schematic block diagram of a control circuit of a negative pressure pump of a button-controlled horizontal breast pump provided by the invention.
Fig. 7 is a schematic circuit diagram of fig. 5.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-2, which are schematic views of an explosion structure of the button-controlled horizontal breast pump according to the present invention, the button-controlled horizontal breast pump according to the present invention comprises:
the nursing device comprises a rear cover 2, a silica gel diaphragm 3, a breast collecting cover tee joint 4, a horn cover 5, a nursing bottle 6, a plunger valve 7, a negative pressure pump 8 and a control circuit 26, wherein a bottom pipe orifice of the breast collecting cover tee joint 4 is screwed on the bottle opening of the nursing bottle 6, a cylindrical pipe orifice 45 is arranged outside a left side through orifice at the upper part of the breast collecting cover tee joint 4, the horn cover 5 is arranged in the cylindrical pipe orifice, an annular flange 521 is arranged on the conical surface of the horn cover 5, and a nipple 511 is inwards embedded on the annular flange 521;
a surrounding wall 44 which penetrates through the upper barrel wall and is connected with the inner side of the lower barrel wall is arranged in the barrel-shaped pipe orifice 45, an overflow hole 47 is arranged at the bottom of the surrounding wall 44 facing the barrel-shaped pipe orifice, a siphon 41 extends to the side of the barrel-shaped pipe orifice 45 through the lower part of the surrounding wall 44, a vent hole 42 is also arranged at the upper part of the surrounding wall 44,
as shown in fig. 1 and 5, the partition plate 43 is disposed in the middle of the brassiere-collecting tee joint 4, the silicone diaphragm 3 is mounted on the right side of the partition plate 43, the tongue at the bottom of the silicone diaphragm 3 is clamped in the tongue groove 46 at the lower part of the partition plate 43, the silicone diaphragm 3 and the tongue 31 at the bottom of the silicone diaphragm are integrally formed, the rear cover 2 is clamped on the right side of the brassiere-collecting tee joint 4, the bottom of the rear cover 2 is provided with a notch 21, the notch is connected with the negative pressure pump 8 through a vacuum air tube, the partition plate 43 divides the brassiere-collecting tee joint 4 into a milk cavity formed by the upper part at the left side of the partition plate 43 and the tubular tube orifice 45, a milk channel formed by the neck of the brassiere-collecting tee joint 4, the surrounding wall 44 and the lower part at the left side; a siphon cavity is formed between the silica gel diaphragm 3 and the partition plate 43, the partition plate 43 is connected with the outer edge of the inner side circumference of the cylindrical pipe orifice, a through hole is arranged on the slope surface of the lower part of the partition plate, the lower part of the enclosing wall 44 penetrates through the through hole on the slope surface of the partition plate 43 to be integrally formed with the neck part of the three-way breast-shield joint 4 and the lower part of the partition plate 43, a communication hole 421 is arranged on the lower part of the partition plate 43 and used for enabling the negative pressure cavity to be communicated with the milk cavity and the milk channel, the siphon 41 penetrates through the lower part of the enclosing wall;
as shown in fig. 2, the plunger valve 7 is cylindrical, the bottom is a frustum, the Z-shaped communicating pipe 72 is arranged on the upper portion of the plunger valve 7, the lower portion of the plunger valve 7 is provided with an L-shaped communicating pipe 71 for communicating the side surface and the bottom surface of the plunger valve 7, the plunger valve 7 is sleeved in the surrounding wall 44, the plunger valve 7 is sleeved in the telescopic switch 9 and is connected with the upper wall of the cylindrical pipe orifice 45 for enabling the plunger valve 7 to move telescopically along the inner cavity of the surrounding wall 44.
Referring to fig. 1-3, when a user stands or sits to suck milk, the trumpet cover 5 is aligned with the breast, the nipple enters the nipple 511, the plunger valve 7 is in a retracted state, the side opening of the lower L-shaped communication pipe 71 and the side opening of the upper Z-shaped communication pipe 72 are blocked by the arc surface of the surrounding wall 44, and the overflow hole 47 is not blocked by the plunger valve 7. When the negative pressure pump 8 connected with the bottom notch 21 of the rear cover 2 through the vacuum conduit inhales, the negative pressure pump generates suction in the negative pressure cavity to deform the silica gel diaphragm 3, the suction is generated in the siphon cavity, the siphon cavity is communicated with the milk channel and the milk cavity through the communication hole 421 to form negative pressure, milk in the nipple is separated out and stays between the nipple 511 and the nipple, the separated milk is filled in the inner side of the nipple 511, and flows into the inner side of the horn cover through the hole at the top of the nipple 511 under the action of the suction, the milk flows through the cylindrical pipe orifice 45 and the neck of the breast collecting cover tee joint 4 under the action of gravity, and flows into the milk bottle 6 from the gap between the tongue 31 and the partition plate 43 tongue groove 46 at the bottom of the silica gel diaphragm 3 and the neck of the.
Referring to fig. 1-4, when a user is sucking milk in a prone position, the trumpet cover 5 is aligned with the breast, the nipple enters the nipple 511, the plunger valve 7 is in a retracted state, the side opening of the lower L-shaped communication pipe 71 and the side opening of the upper Z-shaped communication pipe 72 are blocked by the arc surface of the surrounding wall 44, and the overflow hole 47 is not blocked by the plunger valve 7. When a negative pressure pump 8 connected with a notch 21 at the bottom of the rear cover 2 through a vacuum conduit sucks air, suction force is generated in a negative pressure cavity to deform the silica gel diaphragm 3, suction force is generated in a siphon cavity, the siphon cavity is communicated with a milk channel and a milk cavity through a communication hole 421 to form negative pressure, the siphon cavity also generates negative pressure in a siphon tube 41 penetrating through a partition plate 43, milk in a nipple is separated out and is left between the nipple 511 and the nipple, the separated milk is fully distributed in the nipple 511, and then is sucked out and flows into the inner side of the horn cover through a hole at the top of the nipple 511 under the action of suction force, because the nipple 511 is inwards embedded on the annular flange 521, the embedded surface is tightly sealed, the milk is accumulated to a certain height in the milk cavity at the inner side of the annular flange 521 and then does not pass through the siphon tube 41 to form a liquid seal, and then the plunger valve 7 extends out through pressing a button 95 of a telescopic switch 9, a side opening of the lower L-shaped communication tube 71 and, the overflow hole 47 is blocked by the plug valve 7 frustum. Make the milk liquid chamber communicate with atmosphere, milk liquid chamber and collection brassiere tee bend 4 neck are kept apart simultaneously, and only siphon 41 communicates the neck that collects brassiere tee bend 4 through L type intercommunicating pore 71 this moment, negative pressure pump 8 continues to suck, make silica gel diaphragm 3 warp, produce suction in the siphon chamber, make milk liquid intracavity accumulate the milk of certain height inhale in collection brassiere tee bend 4 neck through siphon 41 under the effect of atmospheric pressure, even the neck that collects brassiere tee bend 4 has only a slight slope, milk can also flow to reaching in the feeding bottle from the tongue of silica gel diaphragm 3 bottom and the clearance of collection brassiere tee bend 4 neck under the action of gravity.
When the milk level in the milk chamber drops and cannot go through the siphon 41, the plunger valve 7 is retracted by the pin-type telescopic mechanism by pressing the push button 95 of the telescopic switch 9 again, sucking the milk into the milk chamber again and accumulating the level.
Referring to fig. 6, the negative pressure pump 8 is composed of an electric air pump 24, an electromagnetic air valve 25 and a control circuit 26, the electromagnetic air valve is installed on a branch of the vacuum conduit in front of the air inlet of the electric air pump, and the control end of the control circuit 26 is connected with the power ends of the electric air pump 24 and the electromagnetic air valve 25.
The control circuit is composed of a singlechip 30, a power switch circuit 301 of a peripheral electric air pump, a power switch circuit 32 of an electromagnetic air valve, an operation circuit 33 and a power circuit 34, the signal input end of the power switch circuit 301 of the electric air pump is connected with one control signal output end of the single chip microcomputer 30, the signal output end of the power switch circuit 301 of the electric air pump is connected with the power end of the electric air pump 24, the signal input end of the power switch circuit 32 of the electromagnetic air valve is connected with the other control signal output end of the single chip microcomputer 30, the signal output end of the power switch circuit 32 of the electromagnetic air valve is connected with the power end of the electromagnetic air valve 25, the operating circuit 33 is connected with the signal input end of the single chip microcomputer 30, and the power circuit 34 is respectively connected with the single chip microcomputer 30, the power switch circuit 301 of the electric air pump, the power switch circuit 32 of the electromagnetic air valve and the power end of.
Referring to fig. 7, the single chip microcomputer IC1 adopts an integrated circuit with the model number HT48R 065; the power switch circuit of the electric air pump is formed by correspondingly connecting a triode VT1, resistors R1 and R2, a diode D1 and a capacitor C1; the power switch circuit of the electromagnetic gas valve is formed by correspondingly connecting a triode VT2, resistors R3 and R4, a diode D2 and a capacitor C2; the operation circuit is formed by correspondingly connecting a switch button K1, a milk suction frequency enhancement button K2, a milk suction time increase button K3, a milk suction time reduction button K4, a milk suction frequency reduction button K5 and resistors R5-R9; the power supply circuit is formed by correspondingly connecting a voltage-stabilizing integrated circuit IC2 with the model number of 78M05, capacitors C3-C8 and a diode D3; wherein, the signal input end R1 of the power switch circuit of the electric air pump is connected with a control signal output end 1 pin of the singlechip IC1, and the signal output end of the power switch circuit of the electric air pump is connected with the power end of the electric air pump 24; the signal input end R3 of the power supply switch circuit of the electromagnetic air valve is connected with the other control signal output end 23 pin of the singlechip IC1, and the signal output end of the power supply switch circuit of the electromagnetic air valve is connected with the power supply end of the electromagnetic air valve 25; the operation buttons K1-K5 of the operation circuit are respectively connected with the signal input ends 19, 24, 2, 3 and 4 pins of the singlechip IC 1; the power output end VCC of the power circuit is respectively connected with the power end 20 pin of the singlechip IC1, the power end D1 of the power switch circuit of the electric air pump, the power end D2 of the power switch circuit of the electromagnetic air valve and the power ends R5-R9 of the operating circuit. In addition, the peripheral circuit of the control singlechip IC1 is formed by correspondingly connecting a liquid crystal display circuit IC3 and resistors R10-R13, and display signal input ends 1-13 of the liquid crystal display circuit IC3 are connected with display signal output ends 18, 14, 15, 16, 17, 6, 7, 8, 9, 10, 11, 12 and 13 of the singlechip IC 1.
In use, the milk suction frequency enhancement button K2, the milk suction time increase button K3, the milk suction time reduction button K4 and the milk suction frequency reduction button K5 are pressed as required, and the interval time between two times of milk suction and the duration time of one time of milk suction are determined; the breast sucking part 4 is sleeved and attached to the breast of the woman; pressing a switch button K1 to start the control circuit 26 of the electric control breast pump, and controlling the electric air pump 24 and the electromagnetic air valve 25 to alternately and circularly work according to the set time interval between the secondary breast pumping and the duration time of the primary breast pumping by the control circuit 26; when the electric air pump 24 is operated, the electromagnetic air valve 25 is closed.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. The button-controlled horizontal breast pump comprises a rear cover (2), a silica gel diaphragm (3), a breast-collecting three-way pipe (4), a horn cover (5), a feeding bottle (6), a plunger valve (7), a negative pressure pump (8), a telescopic switch (9) and a control circuit (26), and is characterized in that:
a bottom pipe orifice of the breast collecting cover tee joint (4) is screwed on the bottle opening of the feeding bottle (6), a cylindrical pipe orifice (45) is arranged outside a left side through opening at the upper part of the breast collecting cover tee joint (4), a surrounding wall (44) which penetrates through the upper barrel wall and is connected with the inner side of the lower barrel wall is arranged in the cylindrical pipe orifice (45), an overflow hole (47) is arranged at the bottom of the surrounding wall (44) facing the cylindrical pipe orifice, a siphon (41) extends to the side of the cylindrical pipe orifice (45) through the lower part of the surrounding wall (44), and a vent hole (42) is also arranged;
the plunger valve (7) is sleeved in the enclosing wall (44), a Z-shaped communicating pipe (72) is arranged at the upper part of the plunger valve (7), two ends of the Z-shaped communicating pipe (72) respectively penetrate through the side surface of the plunger valve (7) facing to the side of the cylindrical pipe orifice (45) and the side surface of the plunger valve (7) positioned on the upper side of the upper cylinder wall of the cylindrical pipe orifice (45), and an L-shaped communicating pipe (71) which is used for communicating the bottom end surface of the plunger valve (7) with the side surface of the plunger valve (7) facing to the side of the cylindrical pipe orifice (45) is arranged at the lower part of;
the telescopic switch (9) is internally sleeved with the plunger valve (7) and is connected with the upper wall of the cylindrical pipe orifice (45) and used for enabling the plunger valve (7) to move telescopically along the inner cavity of the surrounding wall (44);
a partition plate (43) is arranged in the middle of the brassiere-collecting tee joint (4), the left side of the partition plate (43) is connected with a cylindrical pipe orifice (45) to form a milk cavity, the lower portion of the left side of the partition plate (43) forms a milk channel with a surrounding wall (44) and the neck of the brassiere-collecting tee joint (4), a silica gel diaphragm (3) is mounted on the right side of the partition plate (43), and a tongue at the bottom of the silica gel diaphragm (3) is clamped in a tongue groove (46) at the lower portion of the partition plate (43); tongue integrated into one piece of silica gel diaphragm (3) and its bottom should collect behind brassiere tee bend (4) right flank joint lid (2), and the bottom of lid (2) is provided with the notch behind this, and this notch passes through vacuum trachea with negative pressure pump (8) to be connected, negative pressure chamber is constituteed to baffle (43), silica gel diaphragm (3), back lid (2), and baffle (43) still and silica gel diaphragm (3) between form siphon chamber, and baffle (43) lower part is equipped with intercommunicating pore (421).
2. The button-controlled horizontal breast pump as set forth in claim 1, wherein: the cylindrical nozzle is also connected with a horn cover (5), an annular flange (521) is arranged on the conical surface of the horn cover (5), and the nipple (511) is inwards embedded on the annular flange (521).
3. The button-controlled horizontal breast pump as set forth in claim 1, wherein: the plunger valve (7) is cylindrical, and the bottom of the plunger valve is a frustum.
4. The button-controlled horizontal breast pump as set forth in claim 1, wherein: the partition plate (43) is connected with the circumference outer edge of the inner side of the cylindrical pipe orifice, and a through hole is formed in the slope surface of the lower part of the partition plate.
5. The button-controlled horizontal breast pump as set forth in claim 1, wherein: the lower part of the surrounding wall (44) penetrates through a through hole on the slope surface of the partition plate (43), and the partition plate (43) and the neck part of the bra tee joint (4) are integrally formed.
6. The button-controlled horizontal breast pump as set forth in claim 1, wherein: the negative pressure pump (8) is composed of an electric air pump (24), an electromagnetic air valve (25) and a control circuit (26).
7. The button-controlled horizontal breast pump as set forth in claim 1, wherein: the telescopic switch (9) is a knock pin type telescopic mechanism and comprises an outer cylinder, a rotating wheel A, a rotating wheel B, a vertical guide rail and a spring, the spring is sleeved below an annular flange (73) at the upper part of the plunger valve (7), and the lower part of the rotating wheel B is connected with the top of the plunger valve (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898431.8A CN107583118B (en) | 2017-09-28 | 2017-09-28 | Button control type horizontal breast pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898431.8A CN107583118B (en) | 2017-09-28 | 2017-09-28 | Button control type horizontal breast pump |
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| Publication Number | Publication Date |
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| CN107583118A CN107583118A (en) | 2018-01-16 |
| CN107583118B true CN107583118B (en) | 2020-01-07 |
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| CN201710898431.8A Active CN107583118B (en) | 2017-09-28 | 2017-09-28 | Button control type horizontal breast pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108042863B (en) * | 2018-01-25 | 2023-09-01 | 江苏创品工业设计有限公司 | portable breast pump |
| CN108593412A (en) * | 2018-05-31 | 2018-09-28 | 安庆师范大学 | A kind of fully-automatic siphon enrichment facility |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233355A (en) * | 2015-10-09 | 2016-01-13 | 陈俊波 | Breast pump capable of being used while user lies down without holding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20150217035A1 (en) * | 2015-04-14 | 2015-08-06 | Ashia M. Pollen | Superelliptical Breast Funnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233355A (en) * | 2015-10-09 | 2016-01-13 | 陈俊波 | Breast pump capable of being used while user lies down without holding |
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Inventor after: Yang Xiufeng Inventor after: Lv Hongmei Inventor after: Yang Lu Inventor after: Ding Deze Inventor after: Tu Yanping Inventor before: Ding Deze Inventor before: Tu Yanping |
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Effective date of registration: 20191203 Address after: Qingdao City, Shandong province 266042 four Road No. 127 Applicant after: Zhongxin Hospital, Qingdao Address before: 430000 East Lake Hubei New Technology Development Zone, Wuhan high tech Avenue, No. 666 Wuhan national biological industry base project B, C, D District R & D building B1 Applicant before: Wuhan miracle seaweed Biotechnology Co., Ltd. |
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