Breast pump

Abstract

A breast pump, comprising: a breast milk pump tube; a breast milk channel formed in the breast milk pump tube, the breast milk channel being used for receiving breast milk from a breast; a breast pump protective cover, an end portion at one end of the breast pump protective cover at least partially overlapping with the breast milk pump tube; a double-layer structure formed at the position where the end portion of the one end of the breast pump protective cover overlaps with the breast milk pump tube. The double-layer structure is at least partially made of a light transmissive material, so that a user can observe the interior of the breast milk channel or the breast pump protective cover through the double-layer structure. By means of the described mode, a user can conveniently observe the condition inside the breast milk pump tube or the breast pump protective cover.

Description

Breast pump

[0001] Related applications

[0002] This application claims priority to the Chinese patent application No. 202422412905.1, filed on September 30, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] Embodiments of the present application relate to the technical field of mother and baby appliances, in particular to a breast pump. BACKGROUND

[0004] With the acceleration of modern life pace, more and more mothers choose to use a breast pump to help collect breast milk, so as to provide nutrition for the baby in the case of not being able to directly breastfeed. Traditional breast pumps usually include one or more components for extracting milk from the breast, such as a breast shield and a breast tube, etc. However, in actual use, mothers often face some challenges, one of which is that it is difficult to intuitively observe the flow of milk and the state inside the breast pump. This inconvenience not only affects the user experience, but sometimes can also lead to improper operation or misjudgment of the device state.

[0005] In most existing breast pump designs, the user's need for visibility of the entire pumping process is limited. Especially in the night or in a dimly lit environment, it is difficult for the user to judge whether the milk is flowing smoothly or whether there are air bubbles in the breast shield, etc., which brings unnecessary trouble to the user and may affect the pumping efficiency and comfort.

[0006] SUMMARY

[0007] In view of the deficiencies in the prior art, the present application provides a breast pump which can solve the problem of low visualization.

[0008] To solve the above technical problems, one technical solution adopted by embodiments of the present application is to provide a breast pump, which comprises: a breast tube, a milk guide channel is formed in the breast tube, the milk guide channel is used to receive milk from the breast; and a breast shield, one end of the breast shield at least partially overlaps with the breast tube, the position where the one end of the breast shield overlaps with the breast tube forms a double-layer structure comprising at least two layers, the double-layer structure is at least partially made of a light-transmissive material, so that the user can observe the inside of the milk guide channel or the breast shield through the double-layer structure.

[0009] Optionally, the one end of the breast shield is inserted into the breast tube or the breast tube is inserted into the one end of the breast shield.

[0010] Optionally, the region of the double-layer structure made of light-transmissive material is above the milk channel.

[0011] Optionally, the breast pump further comprises a main body and a milk bowl assembly, the main body is formed with a through hole in the thickness direction; the breast shield has a narrow end and a wide end, the narrow end of the breast shield is arranged in the through hole, and the main body is at least partially located between the wide end of the breast shield and the milk bowl assembly.

[0012] Optionally, the narrow end at least partially overlaps the milk duct.

[0013] Optionally, the breast shield is connected to the main body.

[0014] Optionally, the milk duct is connected to the milk bowl assembly.

[0015] Optionally, the milk bowl assembly comprises a bowl body and a cover plate, the bowl body and the cover plate enclose a milk storage space, and the milk duct is connected to the milk bowl assembly.

[0016] Optionally, the milk duct extends into the milk storage space.

[0017] Optionally, at least a part of the milk bowl assembly is made of a light-transmissive material, so that the user can observe the inside of the milk channel or the breast shield through the milk bowl assembly and the double-layer structure, or observe the inside of the milk storage space through the milk bowl assembly.

[0018] The breast pump provided by the embodiment of the present application comprises a milk duct and a breast shield, the milk duct is formed with a milk channel for receiving milk from the breast, one end of the breast shield at least partially overlaps the milk duct, and a double-layer structure is formed at the position where the one end of the breast shield overlaps the milk duct, the double-layer structure is at least partially made of a light-transmissive material, so that the user can observe the inside of the milk channel or the breast shield through the double-layer structure, and the user can conveniently observe the inside of the milk duct or the breast shield. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor based on the drawings shown.

[0020] FIG. 1 is a structural schematic view of a breast pump according to an embodiment of the present application;

[0021] Fig. 2 is a first split structure schematic view of the breast pump according to an embodiment of the present application;

[0022] Fig. 3 is a second split structure schematic view of the breast pump according to an embodiment of the present application;

[0023] Fig. 4 is a sectional structure schematic view of the milk bowl assembly according to an embodiment of the present application;

[0024] Fig. 5 is a structure schematic view of the breast pumping conduit arranged on the breast shield according to another embodiment of the present application;

[0025] Fig. 6 is a structure schematic view of the negative pressure cavity partially arranged below the milk guiding passage according to another embodiment of the present application;

[0026] Fig. 7 is a structure schematic view of the milk outlet arranged at a lower position of the end of the breast pumping conduit according to another embodiment of the present application;

[0027] Fig. 8 is a structure schematic view of the double-layer structure of the breast shield and the breast pumping conduit according to an embodiment of the present application;

[0028] Fig. 9 is a structure schematic view of the cover plate according to an embodiment of the present application;

[0029] Fig. 10 is a third split structure schematic view of the breast pump according to an embodiment of the present application.

[0030] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0031] In the present application, the terms “arranged”, “provided with”, “connected” should be understood broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal connection between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] The orientation or positional relationship indicated by the terms “center”, “longitudinal”, “transverse”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “radial”, “circumferential” and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] In addition, the terms "first", "second", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Thus, features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly and specifically limited.

[0034] In addition, in addition to being used to represent the orientation or positional relationship, the above-mentioned part of the terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific situation.

[0035] Please refer to FIG. 1, FIG. 2, FIG. 3, FIG. 4, FIG. 9. In the embodiment, the breast pump can include a milk suction pipeline 10 and a milk storage container 20.

[0036] The milk suction pipeline 10 is formed with a milk guiding channel 11 for receiving milk from the breast, and the milk suction pipeline 10 is provided with a milk outlet 12 through which negative pressure is transmitted to the milk guiding channel 11.

[0037] The milk storage container 20 is formed with a milk storage space 21, and the milk in the milk guiding channel 11 flows out of the milk guiding channel 11 through the milk outlet 12 and flows to the milk storage space 21. Here, the flow direction refers to direct flow into the milk storage space 21 or indirect flow (for example, through a negative pressure cavity before flowing into) into the milk storage space 21, which is not limited in the present application.

[0038] In the above manner, the transmission of negative pressure and the flow of milk are both through the milk outlet 12, and the milk flows along the direction of the air flow formed by the negative pressure, so that the milk does not remain in the milk guiding channel 11, and the efficiency of milk suction is higher.

[0039] In an embodiment, the milk storage container 20 is a milk bowl assembly 20, and the milk suction pipeline 10 is connected to the milk bowl assembly 20. In some embodiments, the milk storage container can also be a milk bottle, and when a milk bottle is used, the bottle opening of the milk bottle can be directly or indirectly connected to the milk outlet 12. In some embodiments, the milk suction pipeline 10 can be integrated with the milk bowl assembly 20, and in other embodiments, the milk suction pipeline 10 can be detachably connected to the milk bowl assembly 20, which is not limited in the present application. The milk suction pipeline 10 can extend into the milk storage space 21.

[0040] In one embodiment, the milk bowl assembly 20 comprises a bowl body 22 and a cover plate 23, the bowl body 22 and the cover plate 23 enclosing a milk storage space 21, and the breast pumping conduit 10 is connected to the cover plate 23. In some embodiments, the breast pumping conduit 10 can be detachably connected to the cover plate 23 or integrally connected to the cover plate 23, which is not limited in the embodiments of the present application.

[0041] In one embodiment, the breast pump further comprises a diaphragm holder 30, the diaphragm holder 30 is formed with a negative pressure cavity 31, the negative pressure cavity 31 is in communication with the milk guiding channel 11 through the milk outlet 12. The diaphragm holder 40 can be located below the breast pumping conduit 10, or the diaphragm holder 40 can extend side by side with the breast pumping conduit 10. The diaphragm holder 40 can extend into the milk storage space 21.

[0042] In one embodiment, the diaphragm holder 30 is provided with a milk flow port 32, the milk in the milk guiding channel 11 flows out of the milk guiding channel 11 through the milk outlet 12, and then flows into the milk storage space 21 through the negative pressure cavity 31 and the milk flow port 32.

[0043] As shown in FIG. 5, in another embodiment, the breast pump comprises a breast pumping shield 23a, and the breast pumping conduit 10a is connected to the breast pumping shield 23a. The breast pumping conduit 10a is formed with a milk guiding channel 11a, which is used to receive milk from the breast; the breast pumping conduit 10a is provided with a milk outlet 12a, and negative pressure is transmitted to the milk guiding channel 11a through the milk outlet 12a. The breast pump can further comprise a diaphragm holder 30a, the diaphragm holder 30a is formed with a negative pressure cavity 31a, the negative pressure cavity 31a is in communication with the milk guiding channel 11a through the milk outlet 12a. The diaphragm holder 30a is provided with a milk flow port 32a, the milk in the milk guiding channel 11a flows out of the milk guiding channel 11a through the milk outlet 12a, and then flows into the milk storage space through the negative pressure cavity 31a and the milk flow port 32a.

[0044] In one embodiment, the breast pump further comprises a host 40, which is used to provide negative pressure. The host 40 can comprise a shell and elements such as a negative pressure pump, a solenoid valve, a battery, a circuit board, etc. located in the shell. The host 40 can be an integrated breast pump with the milk bowl assembly 20 or a split breast pump connected to the milk bowl assembly 20 through a conduit. It should be understood that the provision of negative pressure is not limited to the provision of negative pressure by an electric negative pressure pump, but can also be achieved by a manual negative pressure mechanism, which is not limited in the embodiments of the present application. In some embodiments, the breast pump can not comprise a mechanism for providing negative pressure, but can provide negative pressure by external power.

[0045] In an embodiment, the breast pump further comprises a host 40, the host 40 comprising a negative pressure interface 44 which can be in communication with a negative pressure pump. The host 40 is in communication with the negative pressure cavity 31 through the negative pressure interface 44, and the host 40 is configured to generate a negative pressure in the negative pressure cavity 31, which is transmitted into the milk passage 11 through the milk outlet 12.

[0046] In an embodiment, the negative pressure cavity 31 is at least partially below the milk passage 11 when the breast pump is worn. In some embodiments, the negative pressure cavity 31 is completely below the milk passage 11. The wearing referred herein can refer to the wearing of the human body in a normal upright state, i.e. the wearing of the face is in a vertical direction.

[0047] As shown in FIG. 6, in another embodiment, the negative pressure cavity 31b can also be only partially below the milk passage 11b. The breast pipe 10b is connected to the cover plate 23b, and the milk passage 11b is formed in the breast pipe 10b. The milk passage 11b is configured to receive milk from the breast, and the breast pipe 10b is provided with a milk outlet 12b, which is arranged at the end of the breast pipe 10b. A negative pressure is transmitted into the milk passage 11b through the milk outlet 12b. The breast pump can further comprise a diaphragm holder 30b, and the diaphragm holder 30b is provided with a negative pressure cavity 31b. The negative pressure cavity 31b is in communication with the milk passage 11b through the milk outlet 12b. The diaphragm holder 30b is provided with a milk outlet 32b, and the milk in the milk passage 11b flows out of the milk passage 11b through the milk outlet 12b, and then flows through the negative pressure cavity 31b and the milk outlet 32b into the milk storage space.

[0048] In this way, the negative pressure cavity is at least partially below the milk passage, which can improve the efficiency of milk extraction and avoid milk storage.

[0049] In an embodiment, the breast pump further comprises a diaphragm 50, which is arranged in the negative pressure cavity 31 and is driven to be at least partially below the milk passage 11 when the breast pump is worn.

[0050] In this way, the negative pressure cavity is at least partially below the milk passage, which can improve the efficiency of milk extraction and avoid milk storage.

[0051] In an embodiment, the milk outlet 12 is arranged on the lower side of the breast pipe 10. By arranging the milk outlet 12 on the lower side of the breast pipe 10, the situation of milk storage can be further reduced, and the extracted milk can flow out of the breast pipe 10 by gravity, which can further save power consumption and improve the efficiency of milk extraction.

[0052] As shown in FIG. 7, in another embodiment, the milk outlet 12c is located at a position offset from the end of the milk duct 10c. The milk duct 10c is connected to the cover plate 23c, and the milk duct 10c is formed with a milk channel 11c. The milk channel 11c is used to receive milk from the breast, and the milk duct 10c is provided with a milk outlet 12c at the end of the milk duct 10c. Negative pressure is transmitted to the milk channel 11c through the milk outlet 12c. The breast pump can also include a diaphragm holder 30c, which is formed with a negative pressure cavity 31c. The negative pressure cavity 31c is in communication with the milk channel 11c through the milk outlet 12c. The diaphragm holder 30c is provided with a milk outlet 32c. The milk in the milk channel 11c flows out of the milk channel 11c through the milk outlet 12c, then flows through the negative pressure cavity 31c and the milk outlet 32c, and finally flows into the milk storage space.

[0053] In one embodiment, the milk outlet 12 is located between the end of the milk duct 10 and the cover plate 23. The milk in the milk channel 11 flows out of the milk duct 10 through the milk outlet 12 under the action of negative pressure. The milk duct 10 includes a distal end that is distal from the cover plate 23, and the milk outlet 12 is located between the cover plate 23 and the distal end. In this way, the milk outlet 12 is located between the end of the milk duct 10 and the cover plate 23, which makes the overall structure of the breast pump more compact, improves the efficiency of milk extraction, and avoids milk retention.

[0054] As shown in FIGS. 3, 4, and 8, in one embodiment, the distal end of the milk duct 10 is a closed end. In one embodiment, the end of the milk duct 10 distal from the human body when worn is closed. The end of the milk duct 10 distal from the human body when worn is closed to form a closed end. The milk outlet 12 is located between the closed end and the cover plate 23.

[0055] As shown in FIG. 7, in another embodiment, the distal end of the milk duct 10c is a non-closed end, and the milk outlet 12c is located at a position offset from the distal end.

[0056] In one embodiment, the breast pump further includes a milk duct cover 60, the internal space of the milk duct cover 60 is in communication with the milk channel 11, and one end of the milk duct cover 60 at least partially overlaps the milk duct 10.

[0057] In one embodiment, the position where one end of the milk duct cover 60 overlaps the milk duct 10 forms a double-layer structure 100, and the double-layer structure 100 is at least partially made of a light-transmissive material, so that the user can observe the milk channel 11 or the internal space of the milk duct cover 60 through the double-layer structure 100. The double-layer structure 100 includes at least two layers, one of which is a part of the milk duct cover 60, and the other of which is a part of the milk duct 10.

[0058] Optionally, the narrow end of the milk duct cover 60 at least partially overlaps the milk duct 10 to form a double-layer structure 100.

[0059] In an embodiment, the light-transmissive material is used to form the region of the double-layer structure 100 above the milk channel 11.

[0060] In an embodiment, the breast shield 60 is inserted into the breast tube 10 at one end. In other embodiments, the breast tube can be inserted into the breast shield at one end, which is not limited in the embodiments of the present application. In the embodiments of the present application, the breast shield 60 can be connected to the main machine 40, and the breast shield 60 is not connected or in contact with the breast tube 10. The narrow end 61 of the breast shield 60 is only inserted into the breast tube 10 without interference fit or threaded connection, and the fixation of the breast shield 60 is achieved by the main machine 40.

[0061] In an embodiment, at least part of the milk bowl assembly 20 is made of a light-transmissive material, so that the user can observe the inside of the milk channel 11 and the breast shield 60 through the milk bowl assembly 20 and the double-layer structure 100, or observe the inside of the milk storage space 21 through the milk bowl assembly 20.

[0062] In an embodiment, the breast pump further comprises a breast shield 60, and the main machine 40 is provided with a through hole 41 extending in the thickness direction; the breast shield 60 has a narrow end 61 and a wide end 62, the narrow end of the breast shield 60 is inserted into the through hole 41, and the main machine 40 is at least partially located between the wide end 62 of the breast shield 60 and the milk bowl assembly 20.

[0063] In an embodiment, the milk storage container 20 is a milk bowl assembly 20, the main machine 40 comprises a transverse portion 42 and a longitudinal portion 43 connected to the transverse portion 42 by bending, the first side 24 of the milk bowl assembly 20 is in contact with the longitudinal portion 43 of the main machine 40, the second side 25 of the milk bowl assembly 20 is in contact with the transverse portion 42 of the main machine 40, and the first side 24 and the second side 25 are two adjacent sides of the milk bowl assembly 20.

[0064] In an embodiment, the breast pump further comprises a diaphragm 70, which is arranged in the negative pressure cavity 31. The diaphragm 70 divides the internal space of the diaphragm support 30 into a first sub-space and a second sub-space. The first sub-space is in communication with the negative pressure interface 44 of the main machine 40, and the second sub-space is in communication with the internal space of the breast tube 10. The diaphragm 70 can be deformed in the internal space of the diaphragm support 30 under the negative pressure provided by the main machine 40 to transmit the negative pressure.

[0065] In an embodiment, the breast pump further comprises a one-way valve 80 arranged at the milk outlet 52. The one-way valve 80 is configured to allow the milk to flow to the milk storage space 21 in one direction. The one-way valve 80 can be a sheet-type one-way valve or a duckbill valve, which is not limited in the embodiments of the present application.

[0066] The embodiment of the present application sets the breast milk suction pipe, the breast milk suction pipe is formed with the breast milk channel, the breast milk channel is used for receiving the breast milk from the breast, and the breast milk shield is set, one end of the breast milk shield at least partially overlaps with the breast milk suction pipe, the position of one end of the breast milk shield overlapping with the breast milk suction pipe forms a double-layer structure, the double-layer structure is at least partially made of light-transmitting material, so that the user can observe the inside of the breast milk channel or the breast milk shield through the double-layer structure, which can facilitate the user to observe the inside of the breast milk suction pipe or the breast milk shield.

[0067] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and are not used to limit the present application.

[0068] The above is only the specific implementation of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, which should be considered as the protection scope of the present application.

Claims

1. A breast pump, wherein, The breast pump comprises: a breast milk suction conduit, in which a breast milk passage is formed for receiving milk from a breast; and a breast milk suction shield, one end of which at least partially overlaps the breast milk suction conduit, and the position where the one end of the breast milk suction shield overlaps the breast milk suction conduit forms a double-layer structure comprising at least two layers, which is at least partially made of a light-transmissive material, so that a user can observe the inside of the breast milk passage or the breast milk suction shield through the double-layer structure.

2. The breast pump of claim 2, wherein, The one end of the breast milk suction shield is inserted into the breast milk suction conduit, or the breast milk suction conduit is inserted into the one end of the breast milk suction shield.

3. The breast pump of claim 1, wherein, The area of the double-layer structure made of the light-transmissive material is above the breast milk passage.

4. The breast pump of claim 1, wherein, The breast pump further comprises a main machine and a milk bowl assembly, the main machine is provided with a through hole penetrating in the thickness direction; the breast milk suction shield has a narrow end and a wide end, the narrow end of the breast milk suction shield is inserted into the through hole, and the main machine is at least partially located between the wide end of the breast milk suction shield and the milk bowl assembly.

5. The breast pump of claim 4, wherein, The narrow end at least partially overlaps the breast milk suction conduit.

6. The breast pump of claim 4, wherein, The breast milk suction shield is connected to the main machine.

7. The breast pump of claim 4, wherein, The breast milk suction conduit is connected to the milk bowl assembly.

8. The breast pump of claim 7, wherein, The milk bowl assembly comprises a bowl body and a cover plate, which enclose a milk storage space, and the breast milk suction conduit is connected to the milk bowl assembly.

9. The breast pump of claim 7, wherein, The breast milk suction conduit extends into the milk storage space.

10. The breast pump of claim 7, wherein, At least a part of the milk bowl assembly is made of a light-transmissive material, so that a user can observe the inside of the breast milk passage or the breast milk suction shield through the milk bowl assembly and the double-layer structure, or observe the inside of the milk storage space through the milk bowl assembly.

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