Colostrum collector

CN224853655UActive Publication Date: 2026-10-16THE UNIVERSITY OF HONG KONG SHENZHEN HOSPITAL
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Patent Information

Application Number
CN202521066650.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-27
Publication Date
2026-10-16
Estimated Expiration
2035-05-27

AI Technical Summary

Technical Problem

已有的吸奶器通常容量较大,液体流通路径长,液体损耗较大,不适用于量少的初乳的收集

Benefits of technology

[0016] This invention has at least the following beneficial effects: the colostrum is collected into the test tube by using the negative pressure generated by the negative pressure suction device, which is simple and convenient to operate; the test tube is placed in the accommodating cavity formed by the outer shell, and the volume of the accommodating cavity is larger than the volume of the test tube. The outer shell, which is larger than the volume of the test tube, is used as the part for human hand to hold, which is more suitable for human hand to hold and meets the requirements of holding stability during actual operation.

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Abstract

The utility model discloses a kind of colostrum collectors, it includes negative pressure suction piece, test tube and shell;Negative pressure suction piece has input and output, input is used to suck into colostrum, output is used to deliver colostrum to test tube, output and shell are connected;Shell is formed with accommodating cavity, test tube is placed in accommodating cavity, and the volume of accommodating cavity is greater than the volume of test tube. The colostrum is collected into test tube using the negative pressure generated by negative pressure suction piece, the collection of colostrum can be completed, it is simple and convenient to operate;Test tube is placed in the accommodating cavity surrounded by shell, and the volume of accommodating cavity is greater than the volume of test tube, the shell with greater volume than test tube is used as the part of hand holding, more suitable for hand holding, meet the demand of holding stability when actual operation.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a colostrum collector. Background Technology

[0002] Colostrum refers to the milk secreted within 2-3 days postpartum. The nutritional content of colostrum is significantly higher than that of transitional and mature milk, making it especially important for newborns, particularly premature infants. Colostrum is thick and scarce; a single hand-expression yields only about 0.1-1 ml. Existing breast pumps typically have large capacities, long flow paths, and significant fluid loss, making them unsuitable for collecting small amounts of colostrum. Conversely, small containers are difficult to hold securely, making colostrum collection very challenging. Utility Model Content

[0003] The technical problem to be solved by this invention is to construct a colostrum collector to address at least one of the defects mentioned in the background art.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a colostrum collector is constructed, which includes a negative pressure suction component, a test tube, and a shell; the negative pressure suction component has an input end and an output end, the input end is used to draw in colostrum, the output end is used to transport the colostrum to the test tube, and the output end is connected to the shell; the shell forms a receiving cavity, the test tube is placed in the receiving cavity, and the volume of the receiving cavity is larger than the volume of the test tube;

[0005] In some embodiments, the test tube has an open end, and the open end and the output end are detachably connected.

[0006] In some embodiments, the test tube is designed to have a maximum capacity of 1 ml to 5 ml.

[0007] In some embodiments, the housing includes a shell and a cover, which together enclose the accommodating cavity. The output end is connected to the shell, and the shell and the cover are detachably or rotatably connected.

[0008] In some embodiments, the housing has opposing limiting ends and open ends, the output end and the limiting end are connected to obtain limiting, the open end is located below the test tube, and the cover and the open end are detachably or rotatably connected.

[0009] In some embodiments, the negative pressure suction device includes an elastic balloon, an input tube and an output tube respectively connected to the elastic balloon, wherein the input end is located in the input tube and the output end is located in the output tube;

[0010] The output tube is connected to the housing and is detachably sleeved with the open end.

[0011] In some embodiments, the housing is provided with a limiting hole that communicates with the receiving cavity, and the output tube passes through the limiting hole at least partially to be limited.

[0012] In some embodiments, the input tube is horn-shaped.

[0013] In some embodiments, the housing is at least partially transparent.

[0014] In some embodiments, the colostrum collector further includes a one-way valve disposed at the output end.

[0015] In some embodiments, the colostrum collector further includes a sealing plug that is detachably connected to the input terminal.

[0016] This invention has at least the following beneficial effects: the colostrum is collected into the test tube by using the negative pressure generated by the negative pressure suction device, which is simple and convenient to operate; the test tube is placed in the accommodating cavity formed by the outer shell, and the volume of the accommodating cavity is larger than the volume of the test tube. The outer shell, which is larger than the volume of the test tube, is used as the part for human hand to hold, which is more suitable for human hand to hold and meets the requirements of holding stability during actual operation. Attached Figure Description

[0017] To more clearly illustrate the technical solution of this utility model, the following will further describe this utility model in conjunction with the accompanying drawings and embodiments. In the drawings:

[0018] Figure 1 This is a cross-sectional structural schematic diagram of the colostrum collector of some embodiments of the present invention in the closed state of the outer shell;

[0019] Figure 2 This is a cross-sectional structural diagram of the colostrum collector of some embodiments of the present invention with the outer shell open;

[0020] Figure 3 This is a cross-sectional structural schematic diagram of the colostrum collector according to other embodiments of this utility model;

[0021] Figure 4 This is a cross-sectional structural schematic diagram of the colostrum collector according to other embodiments of this utility model;

[0022] Figure 5 This is a cross-sectional structural schematic diagram of a colostrum collector according to other embodiments of the present invention. Detailed Implementation

[0023] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0024] The directional terms "vertical," "horizontal," "above," and "below" mentioned in the text can be referred to as... Figure 1 and Figure 2 Understanding the directions indicated in the diagram. In the diagram, U represents the up direction, D represents the down direction, UD represents the vertical direction; L represents the left direction, R represents the right direction, and LR represents the horizontal direction.

[0025] Please see Figure 1 This utility model discloses an embodiment of a colostrum collector, which includes a negative pressure suction component 1, a test tube 2, and a housing 3. The negative pressure suction component 1 generates negative pressure suction force to draw in external fluid. The negative pressure suction component 1 has an input end and an output end. When negative pressure is generated, fluid flows from the input end to the output end. Therefore, the input end is mainly used to draw in colostrum, and the output end is used to transport the collected colostrum to the test tube 2. The output end is connected to the housing 3. Specifically, the connection between the output end and the housing 3 is mainly for fixing the output end to the housing 3. The connection between the output end and the housing 3 can be detachable or non-detachable integral.

[0026] The outer shell 3 forms a receiving cavity 30, within which the test tube 2 is placed, and the outer shell 3 can enclose the test tube 2. The test tube 2 has an open end, and the open end and the output end are detachably connected. That is, the test tube 2 can be disassembled and replaced; in practice, disposable test tubes 2 can be used. During colostrum collection, one test tube 2 is first selected and installed at the output end. Then, the negative pressure suction device 1 generates negative pressure suction to draw the colostrum into it and transport it from the output end to the inside of the test tube 2. After collection, the test tube 2 can be removed from the output end. The entire process is convenient. Furthermore, the volume of the receiving cavity 30 is greater than the volume of the test tube 2. The volume of the test tube 2 includes not only the volume of the lumen but also the volume occupied by the lumen and the wall of the test tube 2. Specifically, the outer shell 3 can serve as a part for a person to hold. In some embodiments, the volume of the receiving cavity 30 can be at least twice the volume of the test tube 2. The larger the volume of the receiving cavity 30, the larger the volume of the outer shell 3. Therefore, compared to holding the test tube 2 directly with one's hand, using the outer shell 3, which is larger than the test tube 2, as the part for the hand to hold is more suitable for the hand to hold and meets the requirements for holding stability during actual operation.

[0027] In some embodiments, the test tube 2 is designed with a maximum capacity of 1mL to 5mL, suitable for collecting small amounts of colostrum. That is, the selected test tube 2 has a specification of 1mL to 5mL. For example, test tubes 2 with specifications of 1mL, 2mL, or 5mL can be selected. Even if test tubes 2 with different volumes are used, the volume of the outer shell 3 remains unchanged, so the colostrum collector can always maintain a consistent and aesthetically pleasing appearance. The volume of the outer shell 3 can be reasonably determined according to the size of the human hand and the comfort of holding it. In some embodiments, the outer shell 3 is used to hold and fix it in place at the web of the hand. For example, the maximum width of the cross-section of the outer shell 3 can be within 50mm, and at least greater than 16mm (the maximum diameter of a 5mL test tube 2). In this way, the human hand can use the web of the hand to wrap around and fix the outer shell 3, which provides good stability for the human hand and facilitates actual operation.

[0028] Please see Figure 1 and Figure 2 In some embodiments, the outer casing 3 includes a housing 31 and a cover 32, which together enclose a receiving cavity 30. The output end is connected to the housing 31, and the housing 31 and cover 32 are rotatably connected. Specifically, the housing 31 and cover 32 are connected by a hinged structure such as a hinge, and the cover 32 can be flipped relative to the housing 31, allowing the outer casing 3 to have an open state and a closed state. Figure 1 As shown, the outer casing 3 is in the closed state; as Figure 2 As shown, the outer shell 3 is in the open state, allowing a person to reach into the accommodating cavity 30 to install or remove the test tube 2. This facilitates the installation and replacement of the test tube 2. Alternatively, in some embodiments, the shell 31 and the cover 32 can be detachably connected. Similarly, simply connecting the cover 32 to the shell 31 closes the outer shell 3; simply removing the cover 32 from the shell 31 opens the outer shell 3.

[0029] Please see Figure 1 and Figure 2 In some embodiments, the housing 31 has a limiting end and an open end. The limiting end is mainly used to limit and fix the output end of the negative pressure suction component 1, and the output end and the limiting end are connected to achieve the limiting. The open end is located below the test tube 2, and the cover 32 and the open end are detachably or rotatably connected. Since the open end is located below the test tube 2, when the housing 3 is in the open state, a person can directly enter the receiving cavity 30 from below the test tube 2, providing more operating space in the vertical direction and making it more convenient to disassemble and replace the test tube 2. Of course, in some other embodiments, the open end may also be located on the horizontal side of the test tube 2.

[0030] Please see Figures 1 to 3In some embodiments, the negative pressure suction device 1 includes an elastic balloon 11, an input tube 12 and an output tube 13 respectively connected to the elastic balloon 11, with the input end located at the input tube 12 and the output end located at the output tube 13. The input tube 12 is used to align with the nipple as an inlet for collecting colostrum. The output tube 13 is connected to the housing 31, and the output tube 13 and the open end are detachably sleeved together. For example, Figure 1 In the first embodiment shown, the output tube 13 is fitted around the outer periphery of the test tube 2. Alternatively, Figure 3 In the second embodiment shown, test tube 2 is fitted around the outer periphery of output tube 13. That is, test tube 2 and output tube 13 can be nested together in any way. The elastic balloon 11, input tube 12, and output tube 13 can be an integrally formed structure or a separate structure. The elastic balloon 11 can be made of elastic materials such as rubber. The elastic balloon 11 encloses a spherical cavity 10. When the elastic balloon 11 is squeezed and released by hand, a negative pressure is formed in the spherical cavity 10 during the deformation and recovery process of the elastic balloon 11. This negative pressure can be used to quickly draw the colostrum squeezed out by hand into test tube 2. Furthermore, to ensure sealing, the walls of output tube 13 and test tube 2 need to be sealed together. For example, the output tube 13 and the elastic balloon 11 are an integral structure. The output tube 13 is elastic, and its outer diameter in its natural state is less than or equal to the outer diameter of the test tube 2. During the process of embedding the test tube 2 into the output tube 13, the output tube 13 is compressed and deformed, thereby ensuring a tight fit between the inner wall of the output tube 13 and the outer wall of the test tube 2. Alternatively, in some other embodiments, several sealing rings, sealing protrusions, or other sealing structures can be designed on the inner wall of the output tube 13 to achieve a sealed fit between the inner wall of the output tube 13 and the outer wall of the test tube 2. In other embodiments, the negative pressure suction device 1 can also be a syringe or other device capable of generating negative pressure.

[0031] Please see Figure 1 and Figure 2 In some embodiments, the housing 31 is provided with a limiting hole 33, which communicates with the receiving cavity 30. The output tube 13 passes through the limiting hole 33 at least partially to achieve a limiting position. Specifically, the limiting end of the housing 31 is provided with the limiting hole 33. The output tube 13 and the limiting hole 33 can be an interference fit or a tight fit. After passing through the limiting hole 33, the output tube 13 extends into the receiving cavity 30 so as to be nested and fixed with the test tube 2 inside the receiving cavity 30.

[0032] Please see Figure 4 In some embodiments, the input tube 12 is funnel-shaped. Specifically, the wall of the input tube 12 forms a certain angle with the vertical central axis of the test tube 2; in other words, the wall of the input tube 12 expands outward at a certain angle in the lateral direction. This is beneficial for increasing the opening size of the input tube 12, making it easier to collect the dripping milk.

[0033] Please see Figure 1 and Figure 2 In some embodiments, the colostrum collector also includes a one-way valve 5 disposed at the output end. Specifically, the one-way valve 5 is disposed inside the cavity of the output pipe 13. The one-way valve 5 allows fluid to flow from top to bottom but does not allow fluid to flow from bottom to top. In other words, the one-way valve 5 allows fluid to flow from the spherical cavity 10 into the interior of the test tube 2, but does not allow fluid to flow from the interior of the test tube 2 into the spherical cavity 10. Thus, when the elastic balloon 11 is squeezed, it can be ensured that the colostrum in the test tube 2 only flows in and does not flow out, avoiding liquid backflow. The one-way valve 5 can be a duckbill valve (i.e., a rubber drain check valve).

[0034] In some embodiments, the outer shell 3 is at least partially transparent. That is, the outer shell 3 may be partially transparent or entirely transparent. This allows personnel to observe the collection of colostrum in the test tube 2 in real time from the outside. In one embodiment, the outer shell 3 is entirely made of a transparent material, such as PPSU (polyphenyl sulfone resin). PPSU has the characteristics of high transparency and high-temperature sterilization resistance, which facilitates the high-temperature sterilization of the entire colostrum collector. In another embodiment, the outer shell 3 has an opening at a certain point, and a transparent observation window is installed at the opening, through which personnel can observe the collection of colostrum in the test tube 2 in real time from the outside.

[0035] Please see Figure 5 In some embodiments, the colostrum collector further includes a sealing plug 61, which is detachably connected to the input end. Specifically, the sealing plug 61 is detachably fitted to the opening of the input tube 12. When the colostrum collector is not in use, the sealing plug 61 can be promptly inserted into the opening of the input tube 12 to seal the spherical cavity 10, preventing dust and other impurities from falling into the test tube 2. Further, as... Figure 5 As shown, an annular buckle 62 is provided on the outer wall of the elastic balloon 11, and the sealing plug 61 and the annular buckle 62 are connected by a flexible rope 63. Thus, after the sealing plug 61 is removed, the sealing plug 61 hangs near the periphery of the elastic balloon 11, which can effectively reduce the risk of the sealing plug 61 being lost during disassembly and assembly.

[0036] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. A colostrum collector, characterized in that, It includes a negative pressure suction component (1), a test tube (2), and an outer shell (3); The negative pressure suction device (1) has an input end and an output end. The input end is used to draw in colostrum, and the output end is used to deliver the colostrum to the test tube (2). The output end is connected to the outer shell (3). The outer shell (3) has a receiving cavity (30), the test tube (2) is placed in the receiving cavity (30), and the volume of the receiving cavity (30) is greater than the volume of the test tube (2); The test tube (2) has an open end, and the open end and the output end are detachably connected.

2. The colostrum collector according to claim 1, characterized in that, The test tube (2) is designed to have a maximum capacity of 1 ml to 5 ml.

3. The colostrum collector according to claim 1, characterized in that, The outer casing (3) includes a shell (31) and a cover (32), which together enclose the accommodating cavity (30). The output end is connected to the shell (31), and the shell (31) and the cover (32) are detachably or rotatably connected.

4. The colostrum collector according to claim 3, characterized in that, The housing (31) has a limiting end and an opening end, the output end and the limiting end are connected to obtain a limiting position, the opening end is located below the test tube (2), and the cover (32) and the opening end are detachably connected or rotatably connected.

5. The colostrum collector according to claim 3, characterized in that, The negative pressure suction device (1) includes an elastic balloon (11), an input tube (12) and an output tube (13) respectively connected to the elastic balloon (11), the input end is located in the input tube (12), and the output end is located in the output tube (13); The output tube (13) is connected to the housing (31) and is detachably sleeved with the open end.

6. The colostrum collector according to claim 5, characterized in that, The housing (31) is provided with a limiting hole (33), which is connected to the accommodating cavity (30). The output tube (13) passes through the limiting hole (33) at least partially to achieve a limiting position.

7. The colostrum collector according to claim 5, characterized in that, The input tube (12) is horn-shaped.

8. The colostrum collector according to claim 1, characterized in that, The outer shell (3) is at least partially transparent.

9. The colostrum collector according to claim 1, characterized in that, The colostrum collector also includes a one-way valve (5) located at the output end.

10. The colostrum collector according to claim 1, characterized in that, The colostrum collector also includes a sealing plug (61) which is detachably connected to the input end.