CN111265257A - Breast milk sampling device and sampling method thereof - Google Patents
Breast milk sampling device and sampling method thereof Download PDFInfo
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- CN111265257A CN111265257A CN202010247808.5A CN202010247808A CN111265257A CN 111265257 A CN111265257 A CN 111265257A CN 202010247808 A CN202010247808 A CN 202010247808A CN 111265257 A CN111265257 A CN 111265257A
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- 238000005070 sampling Methods 0.000 title claims abstract description 59
- 210000004251 human milk Anatomy 0.000 title claims abstract description 41
- 235000020256 human milk Nutrition 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 16
- 210000000481 breast Anatomy 0.000 claims abstract description 114
- 210000002445 nipple Anatomy 0.000 claims abstract description 76
- 235000013336 milk Nutrition 0.000 claims abstract description 61
- 239000008267 milk Substances 0.000 claims abstract description 61
- 210000004080 milk Anatomy 0.000 claims abstract description 61
- 238000005086 pumping Methods 0.000 claims abstract description 60
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 230000001954 sterilising effect Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 210000004883 areola Anatomy 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 244000005700 microbiome Species 0.000 abstract description 13
- 230000007613 environmental effect Effects 0.000 abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000006651 lactation Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000012865 aseptic processing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003256 environmental substance Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
Abstract
The invention discloses a breast milk sampling device, which comprises an external extrusion component and an internal collection component, wherein the external extrusion component is used for being attached to the breast of a user and providing breast pumping power, the internal collection component is used for being attached to the nipple of the user and collecting and containing milk, the external extrusion component comprises a breast pumping main body, a front cavity for containing the internal collection component, a breast pumping main machine for producing negative pressure and an air flow conduit for connecting the breast pumping main body and the breast pumping main machine, the front cavity is detachably connected with the breast pumping main body, and a horn-shaped breast pumping cover is arranged at the front end of the breast pumping main body so that the breast pumping cover is attached to the breast of the user to form a sealed environment. By separating the milk pipeline from the air pipeline, the pollution of environmental microorganisms to a milk sample is avoided; meanwhile, the external extrusion assembly does not need sterilization and does not contact milk, so that the sampling time is shortened, the sampling efficiency is improved, and the sampling cost is reduced. In addition, the invention also discloses a sampling method applied to the breast milk sampling device.
Description
Technical Field
The invention relates to the technical field of mother and infant health, in particular to a breast milk sampling device. In addition, the invention also relates to a sampling method applied to the breast milk sampling device.
Background
The breast milk contains abundant microorganisms, and has important influence on the establishment of intestinal flora of offspring and body health, so the research on the breast milk microorganisms becomes a research hotspot in the field of mother-infant health. The study of human milk microorganisms relies on the collection of human milk microorganisms.
In the prior art, the breast milk is collected by adopting a milk sucking way of a breast pump, and the milk secreted by a nipple is contacted with a plurality of parts of a breast shield, a breast sucking main body and a milk bottle of the breast pump, so that the risk of biological pollution of environmental substances is high; the contact area between the sampling device and the milk is large, so that more milk is remained on the inner wall of the sampling device and cannot be collected, the collection efficiency is low, and more waste is caused; the breast pump after collection is polluted by the collected sample, the next sample cannot be directly collected, the breast pump needs to be replaced or the used breast pump needs to be sterilized, time and labor are wasted, and the sampling efficiency is low.
In view of the above, it is an urgent need to solve the problem of providing a high-efficiency breast milk sampling device which is not easily polluted by environmental microorganisms.
Disclosure of Invention
In view of the above, the present invention provides a breast milk sampling device, which realizes the separation of a milk pipeline and a gas pipeline, reduces the environmental microbial contamination, does not need to repeatedly sterilize or replace the sampling device, and has high collection efficiency.
In addition, the invention also provides a sampling method applied to the breast milk sampling device.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a breast milk sampling device, includes the outside extrusion subassembly that is used for with user's breast laminating and provides breast pumping power and is used for with user's nipple laminating and collect the inside collection subassembly that holds milk, outside extrusion subassembly includes breast pumping main part, holds the leading chamber of inside collection subassembly, is used for making the breast pumping host computer and connecting breast pumping main part with breast pumping host computer's air flow conduit, leading chamber with breast pumping main part can dismantle the connection, breast pumping main part's front end is equipped with the breastshield of loudspeaker form to breast shield and user's breast laminating, formation sealed environment.
Preferably, the external squeezing assembly further comprises a pressure regulating cavity detachably connected with the breast pumping main body, and a duckbill valve is arranged at the connection position of the pressure regulating cavity and the breast pumping main body.
Preferably, an anti-backflow cavity is provided on the air flow conduit to prevent the milk from entering the breast pump host.
Preferably, the frontal cavity, the pressure regulating cavity are both sealingly connected to the breast body.
Preferably, the inner collection assembly comprises a receiving and fixing chamber for receiving and fixing a nipple of a user, a milk flow conduit and a sample collection tube for storing milk, one end of the milk flow conduit is connected with the receiving and fixing chamber, and the other end of the milk flow conduit is detachably connected with the sample collection tube.
Preferably, the accommodating and fixing cavity comprises a nipple sleeve for being sleeved with a nipple of a user, a nipple fixing ring for fixing the position of the nipple of the user and a nipple placing cavity for accommodating the nipple of the user, the nipple placing cavity is connected with the outer edge of the nipple sleeve, and the nipple fixing ring is connected with the inner edge of the nipple sleeve;
the nipple fixing ring is closed when not stretched, and can be taken into and fix the nipple of a user when stretched.
Preferably, the sample collection tube is sealingly connected to the milk flow conduit.
A breast milk sampling method applied to the breast milk sampling device comprises the following steps:
opening the pre-chamber and loading the inner collection assembly into the outer extrusion assembly;
sterilizing the nipple and the peripheral areola of the user;
engaging and securing the inner collection assembly with the nipple of the user;
fitting the external compression assembly to a user's breast to form a sealed environment;
controlling the external extrusion assembly to work and collecting milk;
after the collection is completed, the front cavity is opened, and the internal collection assembly is taken out.
The invention provides a breast milk sampling device, which comprises an external extrusion component and an internal collection component, wherein the external extrusion component is used for being attached to the breast of a user and providing breast pumping power, the internal collection component is used for being attached to the nipple of the user and collecting and containing milk, the external extrusion component comprises a breast pumping main body, a front cavity for containing the internal collection component, a breast pumping main machine for producing negative pressure and an air flow conduit for connecting the breast pumping main body and the breast pumping main machine, the front cavity is detachably connected with the breast pumping main body, and a trumpet-shaped breast pumping cover is arranged at the front end of the breast pumping main body so that the breast pumping cover is attached to the breast of the user to form a sealed environment.
When the self-sucking device is used, the front cavity is taken down from the self-sucking main body, and the internal collecting assembly is installed in the external extruding assembly; after the nipple and the peripheral areola of the user are disinfected, the inner collecting component is attached to the nipple of the user, and the outer squeezing component is attached to the breast of the user; the breast pumping host pumps gas in the breast pumping host through the airflow conduit to generate negative pressure, so that the breast forms lactation under the extrusion and traction actions, and milk enters the internal collection assembly attached to the breast pumping host; after collection is completed, the breast pumping main machine is closed, the front cavity is taken down from the breast pumping main body, and the internal collection assembly is taken out.
Because inside collection subassembly and user's nipple closely laminate, the separation of milk pipeline and air pipeline has been realized to the air between inside collection subassembly and the outside extrusion subassembly in can not getting into inside collection subassembly to avoid environmental microorganism to the pollution of milk sample.
Meanwhile, the external extrusion assembly does not need sterilization and does not contact milk, continuous sampling for many times can be realized only by replacing the internal collection assembly, repeated disinfection or replacement of a sampling device is not needed, the sampling time is shortened, the sampling efficiency is improved, and the sampling cost is reduced.
Furthermore, the surface area of the internal collection assembly is much smaller than the surface area of the breastshield, and milk residue is significantly reduced, greatly reducing waste due to residue, as compared to prior art breastpumps.
In addition, the invention also provides a sampling method applied to the breast milk sampling device, which has high sampling efficiency and is not easily polluted by environmental microorganisms.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a particular embodiment of a breastmilk sampling apparatus provided by the present invention;
FIG. 2 is a schematic view of the structure of the external pressing member of FIG. 1;
fig. 3 is a schematic view of the inner collection assembly of fig. 1.
In fig. 1-3:
1 is an external squeezing component, 11 is a breast pump main body, 111 is a breast pump cover, 12 is a front cavity, 13 is a pressure regulating cavity, 14 is an air flow conduit, 141 is an anti-backflow cavity, 15 is a breast pump main body, 16 is a duckbill valve, 17 is a dust cap, 2 is an internal collection component, 21 is an accommodating fixed cavity, 211 is a nipple sleeve, 212 is a nipple fixing ring, 213 is a nipple placing cavity, 22 is a milk flow conduit, 23 is a sample collection pipe, and 24 is a sample collection pipe cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a breast milk sampling device, which realizes the separation of a milk pipeline and a gas pipeline, reduces the environmental microbial pollution, does not need to repeatedly disinfect or replace the sampling device and has high collection efficiency.
The invention also provides a sampling method applied to the breast milk sampling device.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of an embodiment of a breast milk sampling device provided in the present invention; FIG. 2 is a schematic view of the structure of the external pressing member of FIG. 1; fig. 3 is a schematic view of the inner collection assembly of fig. 1.
The invention provides a breast milk collecting device, which comprises an external pressing component 1 and an internal collecting component 2, wherein the external pressing component 1 is used for being attached to a breast of a user and providing breast pumping power, the internal collecting component 2 is used for being attached to a nipple of the user and collecting and containing milk, the external pressing component 1 comprises a breast pumping main body 11, a front cavity 12 for containing the internal collecting component 2, a breast pumping main body 15 for generating negative pressure and an air flow conduit 14 for connecting the breast pumping main body 11 and the breast pumping main body 15, the front cavity 12 is detachably connected with the breast pumping main body 11, and a trumpet-shaped breast pumping cover 111 is arranged at the front end of the breast pumping main body 11, so that the breast pumping cover 111 is attached to the breast of the user to form a.
It should be noted that the internal collection unit 2 may be a disposable product that is sterilized, or may be made of a material that can be sterilized at high temperature and sterilized at high temperature before use, so as to prevent the internal collection unit 2 from being contaminated by microorganisms.
When the external pressing component 1 works, the breast pumping main body 15 pumps the air in the breast pumping main body 11 through the air flow conduit 14 to create a negative pressure environment, so as to press and pull the user's breast and promote the secretion of milk in the user's breast.
Preferably, in order to prevent milk from entering the breast pump main body 15, the airflow conduit 14 may be provided with a backflow prevention cavity 141, and referring to fig. 1, the backflow prevention cavity 141 may be provided at an end of the airflow conduit 14 close to the breast pump main body 11, so as to effectively prevent milk from entering the breast pump main body 15, avoid damaging internal electronic components, and reduce the area of a tube wall where milk remains.
Referring to fig. 2, the anti-backflow cavity 141 may be provided in a spherical shape, but may also be provided in a pear shape or any other geometric shape. The size of the anti-backflow cavity 141 needs to be determined according to actual production conditions, such as the diameter of the airflow duct 14.
Preferably, the breast pump main body 15 may be provided with a power switch, a suction force adjusting button, and an activation/pause button. The power switch provides power for pumping gas and creating a negative pressure environment for the breast pumping host 15, the suction force adjusting button adjusts the size of the suction force generated by the breast pumping host 15 by adjusting the degree of the negative pressure, and the start/pause is used for realizing the start and stop of the breast pumping host 15.
The suction adjusting button can be set as a knob, and the size of the suction is adjusted by rotating different angles; of course, a plurality of adjustment buttons may be provided, with different adjustment buttons representing different amounts of suction.
The breast main body 11 is provided at a front end thereof with a breast shield 111, and the breast shield 111 is adapted to be fitted to a user's breast to form a sealed environment so that the breast pump 15 creates a negative pressure environment by extracting gas.
Preferably, the external compression assembly 1 may further comprise a pressure regulating chamber 13 detachably connected to the breast pump body 11, and a duckbill valve 16 is provided at the connection of the pressure regulating chamber 13 and the breast pump body 11 to seal the connection when a negative pressure environment is obtained.
The breast body 11 is removably connected to the frontal cavity 12 to facilitate the mounting and dismounting of the internal collection assembly 2.
Preferably, the frontal cavity 12, the pressure regulating cavity 13 may be sealingly connected to the breast body 11 to prevent air from entering the external compression assembly 1 from the connection.
Preferably, the frontal cavity 12, the pressure regulating cavity 13 can be connected to the breast body 11 by means of a screw thread, which is simple in construction, easy to manufacture and facilitates quick assembly.
Of course, other sealing structures may be selected to seal the above-mentioned locations.
Preferably, referring to fig. 1 and 3, the inner collection assembly 2 may comprise a receiving and fixing chamber 21 for receiving and fixing a nipple of a user, a milk flow conduit 22, and a sample collection tube 23 for storing milk, one end of the milk flow conduit 22 being connected to the receiving and fixing chamber 21, and the other end of the milk flow conduit 22 being detachably connected to the sample collection tube 23.
The sample collection tube 23 may be a common sample tube for storing breast milk samples, or may be a centrifuge tube for centrifugal separation, and the specific type of the sample collection tube 23 should be determined according to actual use conditions by referring to the prior art.
When the teat is lactating by the action of the external expression assembly 1, milk passes through the receiving and anchoring chamber 21 and the milk flow conduit 22 into the sample collection tube 23. Because the inner collection assembly 2 is subjected to aseptic processing before use, and the milk does not contact the external environment in the process, the whole process of collection is aseptic, and the influence of environmental microorganisms on the sample is avoided to the maximum extent.
Preferably, the sample collection tube 23 is sealingly connectable to the milk flow conduit 22 in order to avoid contamination of the breast milk sample by environmental microorganisms entering the sample collection tube 23 through the connection. Preferably, the sample collection tube 23 and the milk flow conduit 22 can be connected by a screw thread, and the connection is simple and has a good sealing effect.
Of course, other sealing structures may be used to seal the junction of the sample collection tube 23 and the milk flow conduit 22.
When the internal collection component 2 is installed in the preposed cavity 12, the connecting threads of the two components are half unscrewed, so that gas can pass through when pressure difference exists between the two sides, the gas cannot pass through when the pressure on the two sides is balanced, the two components are stably connected, and the sample collection pipe 23 cannot be separated; after collection, the connecting thread is tightened until the sample collection tube 23 is unscrewed from the milk flow tube 22 in a sterile environment, and the sample collection tube cap 24 is quickly capped.
The volume of the sample collecting pipe 23 is determined according to the requirement in actual production, and the sample collecting pipe 23 can be provided with scale marks for realizing quantitative collection of breast milk, and certainly, the sample collecting pipe can be provided with no scale marks and applied to the process of non-quantitative collection of breast milk.
Preferably, referring to fig. 3, the receiving and fixing cavity 21 may include a nipple sleeve 211 for receiving a nipple of a user, a nipple fixing ring 212 for fixing a position of the nipple of the user, and a nipple placing cavity 213 for receiving the nipple of the user, the nipple placing cavity 213 being connected to an outer edge of the nipple sleeve 211, the nipple fixing ring 212 being connected to an inner edge of the nipple sleeve 211; the nipple retainer 212 is closed when not stretched and receives and secures the nipple of the user when stretched.
When in use, the dust cap 17 arranged on the breast shield 111 of the external squeezing component 1 is taken down, the nipple is placed in the nipple placing cavity 213 through the nipple fixing ring 212, the nipple fixing ring 212 is placed at the root of the nipple, at this time, the nipple fixing ring 212 is tightly contacted with the root of the nipple but does not cause pressure, and the nipple is tightly attached and fixed with the internal collecting component 2; when separated, the nipple retainer ring 212 and nipple sleeve 211 are separated from the nipple, and the nipple retainer ring 212 is no longer stretched and is naturally tightened to the closed state.
When in use, the front cavity 12 is taken down from the milk suction main body 11, and the inner collecting component 2 is arranged in the outer extrusion component 1; after the nipple and the peripheral areola of the user are disinfected, the inner collection component 2 is attached to the nipple of the user, and the outer extrusion component 1 is attached to the breast of the user; the breast pumping host 15 extracts gas in the breast pumping main body 11 through the airflow conduit 14 to generate negative pressure, so that the breast forms lactation under the squeezing and traction actions, and milk enters the internal collection assembly 2 attached to the breast pumping main body; after collection, the breast pump main unit 15 is turned off, the front chamber 12 is removed from the breast pump main body 11, and the internal collection unit 2 is taken out.
Because inside collection subassembly 2 closely laminates with user's nipple, the air between inside collection subassembly 2 and the outside extrusion subassembly 1 can't get into inside collection subassembly 2, and the separation of milk pipeline and air pipeline has been realized to this embodiment to avoid the pollution of environmental microorganism to the milk sample.
Meanwhile, the external extrusion assembly 1 is not required to be sterilized and is not in contact with milk, continuous sampling for many times can be realized only by replacing the internal collection assembly 2, repeated disinfection or replacement of a sampling device is not required, the sampling time is shortened, the sampling efficiency is improved, and the sampling cost is reduced.
Furthermore, the surface area of the internal collection assembly 2 is much smaller than the surface area of the breastshield, and milk residue is significantly reduced, greatly reducing waste due to residue, as compared to prior art breastpumps.
In view of the function of the air flow duct 14 and the milk flow duct 22, both should have a certain flexibility.
In addition to the above-mentioned breast milk sampling device, the present invention also provides a sampling method applied to the breast milk sampling device disclosed in the above-mentioned embodiment, the sampling method including:
step S1, opening the front cavity 12 and installing the inner collection assembly 2 into the outer extrusion assembly 1;
step S2, sterilizing the nipple and the areola around the nipple;
step S3, attaching and fixing the inner collection assembly 2 to the nipple of the user;
step S4, fitting the external compression assembly 1 with the breast of the user to form a sealed environment;
step S5, controlling the external extrusion component 1 to work and collecting milk;
in step S6, after the collection is completed, the front chamber 12 is opened and the internal collection assembly 2 is taken out.
It should be noted that step S2 is performed by repeatedly wiping the sterilized cotton swab with sterile physiological saline or other sterilizing solutions until the sterilized cotton swab is substantially sterilized. Compared with the breast pump in the prior art, the breast pump has the advantages that the milk pipeline is separated from the gas pipeline, so that the whole breast of a user does not need to be disinfected, and only the part which is in contact with and connected with the internal collection assembly 2 needs to be disinfected, so that the operation is simpler and more convenient and time-saving.
In step S5, the operation of the external compression set 1 is controlled, including setting the operation time of the external compression set 1, the suction position of the breast pump 15, and the like.
In step S6, when the internal collection module 2 is to be removed, the connection thread between the sample collection tube 23 and the milk flow tube 22 is first tightened, the sample collection tube 23 is pulled after the nipple placing chamber 21 is separated from the nipple of the user, the internal collection module 2 is removed from the connection between the front chamber 12 and the breast pump main body 11, and then the sample collection tube 23 and the milk flow tube 22 are opened in a sterile environment, and the sterile sample collection tube cap 24 is closed.
In the embodiment, the external extrusion component 1 can not be in direct contact with a breast milk sample, always keeps a clean state, can be directly reused for many times in a short time, is quick and convenient, and saves the cost; meanwhile, the breast milk sample is not in contact with the external environment and is not polluted by environmental microorganisms, and the quality of the collected sample is high.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The breast milk sampling device and the sampling method thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. A breast milk sampling device, characterized by, including be used for with user's breast laminate and provide the outside extrusion subassembly (1) of breast pumping power and be used for with user's nipple laminate and collect the inside collection subassembly (2) that holds milk, outside extrusion subassembly (1) includes breast pumping main part (11), holds leading chamber (12) of inside collection subassembly (2), breast pumping host computer (15) for making the negative pressure and connect breast pumping main part (11) with air flow conduit (14) of breast pumping host computer (15), leading chamber (12) with breast pumping main part (11) can dismantle the connection, the front end of breast pumping main part (11) is equipped with the breastshield (111) of loudspeaker form to breast pumping shield (111) and user's breast laminate, form sealed environment.
2. The breast milk sampling device according to claim 1, wherein the external expression assembly (1) further comprises a pressure regulating chamber (13) detachably connected to the breast pumping body (11), the connection of the pressure regulating chamber (13) to the breast pumping body (11) being provided with a duckbill valve (16).
3. The breastmilk sampling device of claim 1 wherein an anti-backflow lumen (141) is provided on the airflow conduit (14) to prevent the milk from entering the breastpumping host (15).
4. The breastmilk sampling device of claim 2 wherein the frontal cavity (12), the pressure regulating cavity (13) are each sealingly connected with the breast body (11).
5. The breast milk sampling device according to any one of claims 1 to 4, wherein the inner collection assembly (2) comprises a receiving and securing chamber (21) for receiving and securing a nipple of a user, a milk flow conduit (22) and a sample collection tube (23) for storing milk, one end of the milk flow conduit (22) being connected to the receiving and securing chamber (21), the other end of the milk flow conduit (22) being detachably connected to the sample collection tube (23).
6. The breast milk sampling device according to claim 5, wherein the receiving and securing chamber (21) comprises a nipple sleeve (211) for engaging with a nipple of a user, a nipple securing ring (212) for securing a position of the nipple of the user, and a nipple placing chamber (213) for receiving the nipple of the user, the nipple placing chamber (213) being connected to an outer edge of the nipple sleeve (211), the nipple securing ring (212) being connected to an inner edge of the nipple sleeve (211); the nipple retainer ring (212) is closed when not stretched and receives and retains the nipple of the user when stretched.
7. The breastmilk sampling device of claim 6 wherein the sample collection tube (23) is sealingly connected to the milk flow conduit (22).
8. A sampling method applied to the breast milk sampling device according to any one of claims 1 to 7, comprising:
opening the pre-chamber (12) and loading the inner collection assembly (2) into the outer squeezing assembly (1);
sterilizing the nipple and the peripheral areola of the user;
-fitting and fixing the inner collection assembly (2) to the user's nipple;
fitting the external compression assembly (1) to the user's breast to form a sealed environment;
controlling the external extrusion assembly (1) to work and collecting milk;
after collection, the prechamber (12) is opened and the inner collection assembly (2) is removed.
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| CN202010247808.5A CN111265257B (en) | 2020-03-31 | 2020-03-31 | Breast milk sampling device and sampling method thereof |
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| CN205924562U (en) * | 2016-05-26 | 2017-02-08 | 山东大学齐鲁医院 | Mammary gland mediation medicine transdermal pastes formula milk collection device |
| CN107158494A (en) * | 2017-06-29 | 2017-09-15 | 郭永成 | Breast pump and Breastpump set |
| CN209123021U (en) * | 2018-05-29 | 2019-07-19 | 陈培军 | A kind of biomimetic type humalacter and breast pump |
| CN212261400U (en) * | 2020-03-31 | 2021-01-01 | 中南大学 | Breast milk sampling device |
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