CN219896578U - Breast pump - Google Patents

Breast pump Download PDF

Info

Publication number
CN219896578U
CN219896578U CN202321074038.4U CN202321074038U CN219896578U CN 219896578 U CN219896578 U CN 219896578U CN 202321074038 U CN202321074038 U CN 202321074038U CN 219896578 U CN219896578 U CN 219896578U
Authority
CN
China
Prior art keywords
breast
shield
cover
conduit
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321074038.4U
Other languages
Chinese (zh)
Inventor
唐强国
杨晓博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yunbei Technology Shenzhen Co ltd
Original Assignee
Yunbei Technology Shenzhen Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yunbei Technology Shenzhen Co ltd filed Critical Yunbei Technology Shenzhen Co ltd
Priority to CN202321074038.4U priority Critical patent/CN219896578U/en
Application granted granted Critical
Publication of CN219896578U publication Critical patent/CN219896578U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • External Artificial Organs (AREA)

Abstract

The utility model discloses a breast pump, which comprises a main machine, a breast shield and a dust cover, wherein the breast shield is detachably arranged on the main machine and is provided with a containing space for containing breasts, the breast shield comprises a cover body part and a conduit part, the cover body part is in an outward expansion shape, the cover body part comprises a first opening and a second opening with the size larger than that of the first opening, and the conduit part is connected with the first opening; the dust cover comprises a connecting part and a cover body, wherein the connecting part is inserted into the conduit part from the second opening of the cover body part and is detachably connected with the conduit part, and the cover body protrudes out of the second opening and covers the breast shield. The cover body of the dust cover can prevent dust from falling on the breast-shield or entering the inside of the main machine through the second opening of the breast-shield, so that the breast-pump can be directly used after the dust cover is taken down, cleaning is not needed, and the use of a user is facilitated.

Description

Breast pump
Technical Field
The utility model relates to the technical field of women and infants, in particular to a breast pump.
Background
Breast pumps are means for expressing breast milk that accumulates in the breast, and are generally used when the infant is unable to directly suck breast milk, or when the mother leaves the infant but still desires breast feeding.
When the existing breast pump is not used, dust in the air can enter the breast pump, so that the breast pump needs to be cleaned before being used, collected milk is prevented from being polluted by the dust, and inconvenience is brought to users when the breast pump is cleaned before being used each time.
Disclosure of Invention
In view of the above, the present utility model aims to provide an improved breast pump that solves the above-mentioned problems.
The utility model provides a breast pump, comprising:
a host;
the bra is detachably arranged on the host machine and is provided with an accommodating space for accommodating breasts, the bra comprises a cover body part and a conduit part, the cover body part is in an outward expansion shape, the cover body part comprises a first opening and a second opening with a size larger than that of the first opening, and the conduit part is connected with the first opening;
the dustproof cover comprises a connecting part and a cover body, wherein the connecting part is inserted into the conduit part from the second opening of the cover body part and is detachably connected with the conduit part, and the cover body protrudes out of the second opening and covers the breast-sucking cover.
In some embodiments, the connection portion includes a clasp including a resilient arm inserted into the conduit portion and a clasp body connected to the resilient arm to abut against an inner wall of the conduit portion.
In some embodiments, the connecting portion further includes a connecting body connected to the cover, a groove is formed in the connecting body in a penetrating manner along a radial direction of the catheter portion, and the elastic arm is located in the groove and connected to the connecting body.
In some embodiments, the number of the fasteners is a plurality, and the fasteners are arranged at intervals along the circumference of the connecting body.
In some embodiments, the breastshield comprises a housing comprising a housing portion and a conduit portion, the housing portion of the housing comprising a housing body coupled to the conduit portion of the housing and an extension coupled to the housing body at an end thereof remote from the conduit portion, the host being provided with a mounting location, the housing body being positioned within the mounting location, the extension extending from the housing body to outside the mounting location to protrude outside the host.
In some embodiments, the cover includes a cover plate connected to the connection portion and a surrounding wall connected to a periphery of the cover plate, the cover plate being spaced from the host, the surrounding wall extending from the cover plate toward the host and surrounding the periphery of the extension portion.
In some embodiments, the breastshield further comprises an inner shield removably disposed inside the outer shield, the inner shield comprising a shield portion and a conduit portion, the shield portion of the inner shield being in registry with the shield portion of the outer shield, the conduit portion of the inner shield being in registry with the conduit portion of the outer shield.
In some embodiments, the main machine comprises a shell, a three-way piece mounted on the shell, and an air pump located in the shell, wherein the three-way piece is provided with a first channel, a second channel and a third channel which are mutually communicated, the breast shield is detachably mounted on the first channel, the accommodating space is communicated with the first channel, the second channel is used for supplying milk to be discharged, and the air pump is used for adjusting air pressure in the accommodating space, so that air in the accommodating space can flow out through the third channel.
In some embodiments, the three-way member is provided with a containing cavity communicated with the third channel, an air bag is arranged in the containing cavity, the output end of the air pump is communicated with the air bag to drive the air bag to deform, and when the air bag contracts, air in the containing space flows into the containing cavity through the third channel.
In some embodiments, the outer surface of the breastshield is provided with a limiting protrusion, and the limiting protrusion is inserted into the third channel to limit the rotation of the breastshield relative to the tee.
According to the breast pump provided by the utility model, the cover body of the dust cover protrudes outside the second opening and covers the breast pump, so that dust can be prevented from falling on the breast pump or entering the inside of the main machine through the second opening of the breast pump, the breast pump can be directly used after the dust cover is taken down, cleaning is not needed, and the breast pump is convenient for a user to use.
Drawings
FIG. 1 is a schematic view of a breast pump according to an embodiment of the present utility model;
FIG. 2 is a partially exploded schematic view of the breast pump shown in FIG. 1;
FIG. 3 is a cross-sectional view of the breast pump shown in FIG. 1;
FIG. 4 is a cross-sectional view of the tee shown in FIG. 2;
FIG. 5 is a schematic view of the structure of the breastshield shown in FIG. 2;
FIG. 6 is an exploded schematic view of the breastshield shown in FIG. 5;
FIG. 7 is a schematic view of the dust cap shown in FIG. 2;
fig. 8 is a schematic view of the dust cap shown in fig. 7 at another angle.
In the figure: 10. a breast pump; 12. a host; 14. a breast shield; 16. an accommodating space; 18. a housing; 20. a tee; 24. a first channel; 26. a second channel; 28. a third channel; 30. a housing chamber; 32. an air bag; 34. a limit protrusion; 36. a one-way valve; 38. a cover body part; 40. a conduit portion; 42. a first opening; 44. a second opening; 46. a housing body; 48. a housing body; 50. an extension; 52. an inner cover; 54. a dust cover; 56. a connection part; 58. a cover body; 60. a clip; 62. an elastic arm; 64. a buckle body; 66. a connecting body; 68. a groove; 70. a cover plate; 72. a surrounding wall.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up, down, left, right, front, back, inner, outer, top, bottom … …) are merely used to explain the relative positional relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators correspondingly change.
It will also be understood that when an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Referring to fig. 1-4, a breast pump 10 according to an embodiment of the present utility model includes a main body 12 and a breast shield 14, wherein the breast shield 14 is detachably mounted on the main body 12 and has a receiving space 16 for receiving a breast. The breastshield 14 is removably attached to the main unit 12 such that the breastpump 10 can be removed from the main unit 12 for cleaning after use.
The main machine 12 includes a housing 18, a three-way member 20 mounted on the housing 18, and an air pump (not shown) disposed inside the housing 18, wherein the three-way member 20 is provided with a first channel 24, a second channel 26 and a third channel 28 which are mutually communicated, the breastshield 14 is detachably mounted on the first channel 24, the accommodating space 16 of the breastshield 14 is communicated with the first channel 24 of the three-way member 20, the second channel 26 is used for supplying milk to be discharged, and the air pump is used for adjusting the air pressure in the accommodating space 16, so that air in the accommodating space 16 can be discharged through the third channel 28. In use of the breast pump 10, the breast is first placed in the receiving space 16 of the breastshield 14 and the breast is then brought into close contact with the inner wall of the breastshield 14, thereby creating a relatively airtight environment between the breastshield 14 and the breast, and after the air pump draws air from the receiving space 16 through the third passageway 28, a negative pressure environment is created within the breastshield 14 to promote milk secretion, which is ultimately expelled from the second passageway 26. The air pump and the three-way piece 20 are arranged on the shell 18, so that the whole structure of the main machine 12 is more compact, the whole volume of the breast pump 10 is reduced, and the portable breast pump is convenient to carry.
In the present embodiment, the housing 18 is provided with a concave portion, and the three-way member 20 is disposed in the concave portion, so as to further improve the compactness of the structure of the host 12.
In one embodiment, the breast pump 10 further comprises a milk reservoir (not shown) removably connected to the tee 20 and in communication with the second channel 26 for collecting milk expelled from the second channel 26. Preferably, the milk storage container is a milk bottle, and after the milk bottle collects certain milk, the milk bottle can be directly fed to infants for eating after being provided with a nipple.
A battery is mounted in the housing 18 and is connected to the air pump to provide electrical power to the air pump, so that the breast pump does not require an external power source. Control buttons are mounted on the housing 18 for user operation to control the start and stop of the air pump, power, etc.
The specific manner of adjusting the air pressure in the accommodating space 16 by the air pump is not limited, and may be, for example, directly communicated with the third channel 28, or may be by providing the air bag 32, in this embodiment, the three-way member 20 is provided with an accommodating cavity 30, the accommodating cavity 30 is located at one side of the third channel 28 and is communicated with the third channel 28, the air bag 32 is provided in the accommodating cavity 30, and the output end of the air pump is communicated with the air bag 32 to drive the air bag 32 to deform. When the air pump drives the air bag 32 to shrink, the air pressure in the accommodating cavity 30 is reduced, the air in the accommodating space 16 flows into the accommodating cavity 30 through the third channel 28, so that a negative pressure effect is formed in the accommodating space 16, and when the air pump drives the air bag 32 to expand, the air in the accommodating cavity 30 flows into the accommodating space 16 through the third channel 28, so that the negative pressure effect is relieved.
The outer surface of the breastshield 14 is provided with a limit projection 34, and the limit projection 34 is inserted into the third channel 28 to limit the relative rotation of the breastshield 14 and the tee 20. The size of the third channel 28 is larger than the size of the limiting protrusion 34, so that after the limiting protrusion 34 is inserted into the third channel 28, a part of the third channel 28 still can be communicated with the accommodating space 16 and the accommodating cavity 30.
The specific shapes of the limiting protrusion 34 and the third channel 28 are not limited, in this embodiment, the limiting protrusion 34 and the third channel 28 are elongated, and along the length direction of the third channel 28, the length of the third channel 28 is greater than the length of the limiting protrusion 34, so that after the limiting protrusion 34 is inserted into the third channel 28, the third channel 28 can still be communicated with the accommodating space 16 and the accommodating cavity 30. The width of the third channel 28 is adapted to the width of the limiting protrusion 34, after the limiting protrusion 34 is inserted into the third channel 28, the two sides of the limiting protrusion 34 in the width direction are respectively abutted against two opposite inner walls of the third channel 28, so that a limiting effect is formed on the breastshield 14, and the breastshield 14 is prevented from rotating relative to the tee piece 20.
The second channel 26 is provided with a one-way valve 36, when the air bag 32 is contracted, the one-way valve 36 is automatically closed, and the air bag 32 is matched with the air pump to form a negative pressure environment, when the air bag 32 is opened, the one-way valve 36 is opened, and milk in the second channel 26 can flow into the milk storage container along the one-way valve 36.
Referring to fig. 3, 5 and 6, in one embodiment, the breastshield 14 includes a hood 38 and a conduit 40, the hood 38 being flared and configured to fit the breast, the hood 38 including a first opening 42 and a second opening 44, the second opening 44 having a size greater than the size of the first opening 42. The conduit portion 40 is connected to the first opening 42, and the receiving space 16 is located inside the breastshield 14 and the conduit portion 40, and an end of the conduit portion 40 remote from the hood portion 38 communicates with the first channel 24 such that milk expressed by the breast can enter the first channel 24 from the conduit portion 40. Specifically, the cover portion 38 gradually increases in size from the first opening 42 to the second opening 44, and further forms a flared shape, i.e., a trumpet shape, and the conduit portion 40 is tubular and connected to one end of the cover portion 38, so that the overall breastshield 14 is generally funnel-shaped.
The breastshield 14 is made of a soft gel material such as liquid silicone, and thus has better elasticity, which reduces discomfort when the breast contacts the breastshield 14 during the breast pumping process.
The breastshield 14 includes an outer housing 46, the outer housing 46 including a housing portion 38 and a conduit portion 40, the housing portion 38 of the outer housing 46 including a housing body 48 coupled to the conduit portion 40 of the outer housing 46 and an extension 50 coupled to an end of the housing body 48 remote from the conduit portion 40. The main body 12 is provided with a mounting position, in this embodiment the first channel 24 of the tee 20, in which the housing body 48 is located, and an extension 50 extends from the housing body 48 to the outside of the mounting position to protrude outside the main body 12. The outer shell 46 is made of a soft material having a hardness less than that of the main machine 12, so that the extension 50 of the outer shell 46 extends outside the main machine 12 to avoid contact of the breast with the main machine 12 during use of the breast pump 10, and to ensure contact of the breast with the softer breastshield 14 to reduce discomfort during pumping.
The breastshield 14 also includes an inner housing 52, the inner housing 52 being removably disposed inside the outer housing 46. When the receiving space 16 of the breastshield 14 is not sized to fit the breast, the user may choose to attach the inner shell 52 or detach the inner shell 52 to adjust the size of the receiving space 16. For example, when the size of the receiving space 16 is too large to fit tightly with the breast, the user may shape the inner shell 52 inside the outer shell 46 to reduce the size of the receiving space 16; when the size of the receiving space 16 is too small to fit well around the breast, the user may remove the inner shell 52 from the outer shell 46 to increase the size of the receiving space 16 and promote the fit of the breastshield 14, thereby making the breast pump 10 adaptable to more users.
The shape of the inner cover 52 is substantially the same as the shape of the outer cover 46, and includes the cover 38 and the duct 40, and the outer surface of the cover 38 of the inner cover 52 is bonded to the inner surface of the cover 38 of the outer cover 46, and the outer surface of the duct 40 of the inner cover 52 is bonded to the inner surface of the duct 40 of the outer cover 46.
Referring to fig. 3, 7 and 8, in one embodiment, the breast pump 10 further includes a dust cap 54, the dust cap 54 including a connection portion 56 and a cover 58 connected to the connection portion 56, the connection portion 56 being inserted into the conduit portion 40 from the second opening 44 of the cap portion 38 and being detachably connected to the conduit portion 40, the cover 58 protruding outside the second opening 44 and covering the breast shield 14. The cover 58 of the dust cap 54 can prevent dust from falling on the breast-shield 14 or entering the main machine 12, namely the three-way member 20 through the breast-shield 14, thereby forming a dust-proof effect, so that the breast pump 10 can be directly used after the dust cap 54 is removed, cleaning is not needed, and the use is convenient for users.
The specific manner in which the connection portion 56 is detachably connected to the conduit portion 40 is not limited, such as an interference fit, a snap fit, or the like. In this embodiment, the connection portion 56 includes a clip 60, and the dust cap 54 is detachably connected to the breastshield 14 via the clip 60.
The clip 60 includes an elastic arm 62 inserted into the duct 40 and a clip 64 provided on the elastic arm 62, the clip 64 extending toward the inner wall of the duct 40 for abutting against the inner wall of the duct 40 to mount the dust cover 54 on the breastshield 14. The elastic arm 62 has a certain elasticity and can deform, after the buckle element 60 is inserted into the conduit portion 40, the inner wall of the conduit portion 40 presses the buckle body 64, and the elastic arm 62 deforms, so that the buckle body 64 tightly abuts against the inner wall of the conduit portion 40, and the dust cover 54 and the breast shield 14 are kept relatively fixed. The buckle piece 60 of the dust cover 54 is inserted into the conduit part 40 or withdrawn from the conduit part 40, so that the dust cover 54 can be installed on the breast shield 14 or detached from the breast shield 14, the disassembly and assembly operations are simple, and the use is convenient for users.
The elastic arms 62 have a certain elasticity, so that the fastening body 64 on the elastic arms 62 may abut against the inner wall of the conduit portion 40 of the outer cover 46 or may abut against the inner wall of the conduit portion 40 of the inner cover 52.
The connection portion 56 further includes a connection body 66, and the connection body 66 is connected to the cover 58 and is adapted to be inserted into the catheter portion 40. The connecting body 66 is provided with a groove 68 penetrating in the radial direction of the conduit portion 40, and the elastic arm 62 is located in the groove 68 and connected to the connecting body 66. One end of the elastic arm 62 is fixedly connected with the connecting body 66, the other end extends away from the cover 58, and the buckle 64 is arranged at one end of the elastic arm 62 away from the cover 58. After the connecting body 66 is inserted into the conduit portion 40, the buckle body 64 on the elastic wall abuts against the inner wall of the conduit portion 40, and the elastic arm 62 is driven to deform and move relative to the connecting body 66 under the extrusion of the conduit portion 40.
In this embodiment, the connecting body 66 has a hollow cylindrical structure, and the groove 68 extends along the axial direction of the connecting body 66 and penetrates through the inner and outer sides of the connecting body 66 along the radial direction of the connecting body 66.
The opposite side walls of the resilient arms 62 are spaced apart from the corresponding walls of the recess 68 in the circumferential direction of the connecting body 66 to avoid the connecting body 66 from affecting the deformation of the resilient arms 62.
The clip 60 and the connecting body 66 may be integrally formed or may be separately assembled. In the present embodiment, the clip 60 and the connecting body 66 are integrally formed, and by providing two through grooves on the hollow columnar connecting portion 56, the elastic arm 62 is automatically formed at a portion between the two through grooves, thereby omitting the assembling process.
The specific number of the locking members 60 is not limited, and may be one or a plurality. In this embodiment, the number of the fastening members 60 is plural, the connecting body 66 is provided with a plurality of grooves 68, the plurality of grooves 68 are arranged along the circumferential direction of the connecting body 66 at intervals, and each groove 68 is provided with a fastening member 60, so that the plurality of fastening members 60 are arranged along the circumferential direction of the connecting body 66 at intervals. Specifically, the number of the grooves 68 and the snap members 60 is three, and the three snap members 60 are uniformly arranged at intervals along the circumferential direction of the connecting body 66.
The cover 58 includes a cover plate 70 connected to the connection portion 56 and a surrounding wall 72 connected to the outer periphery of the cover plate 70, where the cover plate 70 is spaced from the main unit 12, and the surrounding wall 72 extends from the cover plate 70 toward the main unit 12 and surrounds the outer periphery of the extension portion 50, so that the cover 58 covers the outer side of the breastshield 14, which is beneficial to improving the dust-proof effect of the dust shield 54.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (10)

1. A breast pump, comprising:
a host;
the bra is detachably arranged on the host machine and is provided with an accommodating space for accommodating breasts, the bra comprises a cover body part and a conduit part, the cover body part is in an outward expansion shape, the cover body part comprises a first opening and a second opening with a size larger than that of the first opening, and the conduit part is connected with the first opening;
the dustproof cover comprises a connecting part and a cover body, wherein the connecting part is inserted into the conduit part from the second opening of the cover body part and is detachably connected with the conduit part, and the cover body protrudes out of the second opening and covers the breast-sucking cover.
2. The breast pump of claim 1, wherein the connection portion comprises a clip comprising a resilient arm inserted into the conduit portion and a clip body connected to the resilient arm to abut an inner wall of the conduit portion.
3. The breast pump of claim 2, wherein the connection portion further comprises a connection body connected to the cap, the connection body having a groove extending therethrough in a radial direction of the conduit portion, the resilient arm being located within the groove and connected to the connection body.
4. A breast pump according to claim 3, wherein the number of said snap-in elements is plural, a plurality of said snap-in elements being arranged at intervals along the circumference of said connecting body.
5. The breast pump of claim 1, wherein the breast shield comprises a housing body, the housing body comprising the housing body portion and the conduit portion, the housing body portion of the housing body comprising a housing body coupled to the conduit portion of the housing body and an extension coupled to an end of the housing body remote from the conduit portion, the main machine having a mounting location, the housing body being located within the mounting location, the extension extending from the housing body beyond the mounting location to protrude outside of the main machine.
6. The breast pump of claim 5, wherein said cap includes a cover plate connected to said connection portion and a surrounding wall connected to an outer periphery of said cover plate, said cover plate being spaced from said main body, said surrounding wall extending from said cover plate toward said main body and surrounding an outer periphery of said extension portion.
7. The breast pump of claim 5, wherein said breastshield further comprises an inner shield removably disposed inside said outer shield, said inner shield comprising said shield portion and said conduit portion, said shield portion of said inner shield conforming to said shield portion of said outer shield, said conduit portion of said inner shield conforming to said conduit portion of said outer shield.
8. The breast pump of any of claims 1-7, wherein said main unit comprises a housing, a tee mounted to said housing, said tee having a first passageway, a second passageway and a third passageway in communication with each other, said breastshield removably mounted to said first passageway and said receiving space in communication with said first passageway, said second passageway for milk delivery, and an air pump positioned within said housing for regulating air pressure within said receiving space such that air within said receiving space can flow out through said third passageway.
9. The breast pump of claim 8, wherein the tee member has a receiving chamber in communication with the third passage, an air bladder is disposed in the receiving chamber, an output end of the air pump is in communication with the air bladder to drive the air bladder to deform, and when the air bladder contracts, air in the receiving space flows into the receiving chamber through the third passage.
10. The breast pump of claim 8, wherein an outer surface of said breastshield is provided with a stop tab, said stop tab being inserted into said third channel to limit rotation of said breastshield relative to said tee.
CN202321074038.4U 2023-05-05 2023-05-05 Breast pump Active CN219896578U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321074038.4U CN219896578U (en) 2023-05-05 2023-05-05 Breast pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321074038.4U CN219896578U (en) 2023-05-05 2023-05-05 Breast pump

Publications (1)

Publication Number Publication Date
CN219896578U true CN219896578U (en) 2023-10-27

Family

ID=88434904

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321074038.4U Active CN219896578U (en) 2023-05-05 2023-05-05 Breast pump

Country Status (1)

Country Link
CN (1) CN219896578U (en)

Similar Documents

Publication Publication Date Title
EP3771472B1 (en) Milk suction and collection device
EP1735031B1 (en) Soft breastshield
US7223255B2 (en) System for a portable hands-free breast pump and method of using the same
US20070219486A1 (en) System For a Portable Hands-Free Breast Pump and Method of Using the Same
US20040087898A1 (en) Breast pump assembly
CN111803736A (en) Breast pump cover and hand-free breast pump
CN112272570A (en) Breast pump
US11712500B1 (en) Hands-free wearable breast pump
EP3597230B1 (en) Smart wearable breast pump
CN219896578U (en) Breast pump
CN213432133U (en) Wearable breast pump
EP1523348B1 (en) Connector device
CN209751777U (en) Milk collecting device hidden inside breast pump host
WO2023279497A1 (en) Integrated electric breast pump
CN209916849U (en) Hand-free hidden type breast pump
CN210933005U (en) Breast pump
CN212327072U (en) Breast pump cover and hand-free breast pump
CN113395986A (en) Wearable breast pump
US20210137773A1 (en) Massage device
CN112717219A (en) Negative pressure pump assembly and negative pressure breast pump device
CN110585501B (en) Breast pump
KR20210086320A (en) Thermo massage breast pump
WO2023237029A1 (en) Breast pump
CN213554236U (en) Breast pump main body
CN218589446U (en) Intelligent self-adaptive breast pump

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant