RU2280474C1 - Portable milk sucker - Google Patents

Abstract

FIELD: medical engineering.

SUBSTANCE: milk sucker comprises open conical flexible vessel made of a construction member provided with bottom part and wall whose thickness increases toward the base. The vessel has the space whose volume ranges from 50 to 90 mm, is provided with rounded flange, and is made of a flexible inert material for permitting air to be displaced from the space when it is compressed by hand.

EFFECT: enhanced reliability.

6 cl, 7 dwg

Description

The invention relates to medical equipment, namely to portable compact physiotherapeutic devices, and can be used in obstetrics and gynecology individually at home or in an inpatient setting for removing milk from a woman’s mammary gland, treating breast nipple deformity, and also for preventing mastitis, hypogalactia in antenatal and postpartum periods.

A device is known for enhancing the reflex of milk loss, preventing hypogalactia, correcting the shape of the nipple, containing a remote head with an elastic pad, a milk collector, a pneumatic supply source with a system for generating impulses of compression and rarefaction (vacuum), controlling the frequency and amplitude of the effect on the nipple and areola in the area of the milk sinuses (see RF patent No. 2105572, IPC A 61 M 1/06, 1998).

A device for removing milk in women is known, which contains an elastic pad and a milk collector connected by pneumatic pipelines, the elastic pad having a funnel-shaped part, the wide end of which is applied to the mammary gland, and the narrow one passes into the tubular part with protrusions on its inner surface, the tubular part ends with a bent a thick-walled pipe to which vacuum is supplied, the pipe is connected to the milk collector and has a hole on the side surface, and the formation of vacuum pulses along the length The patient and the repetition rate are carried out by the patient by blocking with her finger a hole in the nozzle through which air is sucked from the atmosphere into the suction cup of the lining and into the milk collector (see US Patent No. 4,772,262, A 61 M 1/06, 1988).

A disadvantage of the known device is the need to use a sufficiently high vacuum to compress the nipple and areola in order to effectively form the milk excretion reflex. However, a sufficiently high vacuum causes pain, hemorrhages in the skin and in the ducts of the nipple, which leads to the occurrence of mastitis.

A device for the effective removal of milk with the simultaneous prophylaxis of hypogalactia is known, which contains a vacuum source, a milk collector and a remote head connected to it with a milk outlet, a compressed gas source and an air pulse generation unit (see RF patent No. 2063773, IPC A 61 M 1/06, 1996 .).

A device for mamelar decompression is known, having an additional cup movably mounted in the bottom of the main one and having a fitting for connection to a breast pump or decompressor (see RF patent No. 2049458, IPC A 61 H 7/00, publ. 1995).

A device for removing milk from a woman’s mammary gland is known, comprising a housing in which a removable rigid container with a funnel-shaped element made of elastic material, a compression mechanism of the funnel-shaped element and a milk collector are attached (see RF patent No. 2131745, IPC A 61 M 1/06, publ. 1999).

Known devices are bulky, contain an outdated elemental base, require a lot of time to prepare and carry out procedures, are difficult to use, inconvenient for disinfection, have a high cost, which limits their application in practice.

A device for removing milk from the mammary gland of a woman is known, containing a cylindrical element into which overpressure can be applied, and a milk collector (see EP patent No. 0000339, A 61 M 1/06, publ. 1979).

The known device provides rhythmic compression of the nipple, while to increase the rate of excretion of milk, rhythmic local compression of the areola of the mammary gland in the area of the mammary sinuses is necessary.

A device for removing milk from a woman’s mammary gland is known, comprising a funnel-shaped patch made of an elastic material with a circular elastic chamber into which overpressure can be applied, and a milk collector (see US Pat. No. 4,323,067, A 61 M 1/06, 1982).

A device for removing milk from a woman’s mammary gland is known, comprising a hemispherical patch made of an elastic material into which overpressure can be applied, and a milk collector (see US Pat. No. 4,269,912, A 61 M 1/06, 1981).

A device for removing milk from a woman’s mammary gland is known, comprising a hemispherical patch made of an elastic material into which overpressure can be applied, and a milk collector (see US Patent No. 42649481, A 01 J 5/08, A 61 M 1/06, publ. 1981).

A device for removing milk from a woman’s mammary gland is known, comprising a pad with finger-shaped massaging elements made of an elastic material into which overpressure can be applied, and a milk collector (see US Patent No. 6,383,164, A 61 M 1/06, publ. 2002 g .).

Known devices have complex designs and are inconvenient to use, the high cost and difficulty of disinfection limits their use.

A breast pump for a nursing mother is known, comprising a milk collector with two nozzles, one of which is connected to a funnel, and the other through an air duct with a nozzle having a hole for exhausting air and equipped with a nozzle connected to its cavity, mounted on the side wall directed toward the hole for air suction and connected to the air duct (see USSR copyright certificate No. 914065, A 61 M 1/06).

A disadvantage of the known breast pump is the inconvenience of use, the complexity of manufacture and disinfection.

Known breast pump containing a working tip, pneumatically connected to a source of periodic pulses of reduced pressure and made in the form of a cylinder of inert elastic material with a thickening to the end of the walls, and the end hole of the cylinder does not exceed more than 20% of the physiological diameter of the nipple of the breast, outer diameter the cylinder in the end part does not exceed the physiological diameter of the areola of the nipple, and the length of the thickened part of the cylinder does not exceed the physiological length of the nipple (see e USSR certificate No. 1261655, A 61 H 7/00, 1986).

The device is complex, inconvenient, bulky and has a design, the disinfection of which is difficult.

A known breast pump having a funnel-shaped pad with a hole in the bottom connected to a channel for transfusion of milk into a bottle connected to a rubber bulb installed with the ability to manually compress its walls for procedures for removing milk or colostrum (see US patent No. 468,80028, IPC A 61 M 1/06, publ. 1987 g).

The breast pump is also complicated, inconvenient to use, has a bulky design, the disinfection of which is difficult.

A portable breast pump of two structural elements is known, one of which is made in the form of an open glass cone-shaped container having an opening in the bottom and the other in the form of a rubber bulb installed with the ability to manually compress its walls for milk or colostrum removal procedures (see US patent No. 3822703, IPC A 61 M 1/06, publ. 1974).

The breast pump has a design whose disinfection is difficult. The inconvenience of using a breast pump is associated with low reliability of contact with breast tissue.

The technical result of the invention is to ensure high-quality disinfection, maintaining reliable contact with the tissues of the mammary gland, providing convenient effective removal of milk or colostrum. At the same time, the risk of breast infection is reduced due to the ease of disinfection of the breast pump. The design of the breast pump is further simplified, compactness is increased, and weight is reduced.

The technical result is achieved by the fact that in a portable breast pump in the form of an open cone-shaped container, the container is made elastic with the ability to manually compress its walls for procedures for removing milk or colostrum, it is one structural element with wall thickness increasing towards the base, has a cavity with a volume of 50 to 90 milliliters and is equipped with a rounded flange on its base.

Preferably, the container is made of an elastic inert material.

It is advisable to perform a breast pump with a milk collector.

Preferably, the milk collector is made in the form of a recess in the side wall of the container.

Preferably, the inner side surface of the container is made with a wall inclination of at least two degrees to the vertical axis.

Preferably, the container is made with a bottom and side walls with a varying thickness ranging from 3 to 8 millimeters.

It is advisable to carry out the capacity of a height of not more than 85 millimeters with a base diameter of not more than 65 millimeters.

The analysis of the prior art, including a search by patent and scientific and technical sources of information and identification of sources containing information about analogues of the claimed invention, allows us to establish that the applicants have not found technical solutions characterized by features identical to all the essential features of the claimed invention. The definition from the list of identified analogues of the prototype made it possible to identify a set of essential (with respect to the technical result perceived by the applicant) distinctive features in the claimed object set forth in the claims. Therefore, the claimed invention meets the requirement of "novelty" under applicable law. Information about the fame of the distinguishing features in the totality of the characteristics of the known technical solutions with the achievement of the same as the claimed device, there is no positive effect. Based on this, it was concluded that the proposed technical solution meets the criterion of "inventive step".

Figure 1 shows one of the possible designs of a breast pump in section. Figure 2 depicts a variant of a breast pump with a milk collector in section. Figure 3 depicts a variant of the breast pump of another form (without milk collector) in section. Figure 4 is a side view of the milk collector shown in figure 2. Figure 5 is a top view of the milk collector shown in figure 4. Fig.6 is a view aa in Fig.5. Fig.7 depicts a view BB in Fig.6.

The breast pump (figure 1, 2, 3) is an open elastic tank with a bottom part 1 and a wall 3 with a thickness growing towards the base 2. The container has a cavity with a volume of 50 to 90 milliliters and is made of an elastic inert material with the possibility of displacing air from the cavity during compression and applying an open expanded part to the area of the mammary gland for milk or colostrum excretion procedures. For a snug fit to the mammary gland during the removal of milk or colostrum, the container has an inner surface in accordance with its anatomical shape.

The breast pump (figure 2) can be equipped with a milk collector 4 in the form of a protrusion on the outer surface, formed by an internal V-shaped recess of height (h-l) in the side wall 3 of the tank. The milk collector 4 has an internal angle φ equal to, in particular, 90 ° and an external inclination of the side wall at an angle γ, for example, 25 ° to the horizontal. The tank is equipped with a rounded flange at its base 2.

The inner side surface of the container has a truncated conical shape with a wall tilt at an angle α of at least 2 ° to the vertical axis. In the tank, the bottom part 1 and the side wall 3 have a varying thickness ranging from 3 to 8 mm, which provides a change in the elasticity of the walls of the tank in height.

The breast pump has a height H of not more than 85 mm, a diameter D of the base of not more than 65 mm and a diameter d of the bottom of 27-33 mm. The dimensions of the base 2 of the tank are commensurate with the physiological dimensions of the areola of the nipple for the effective removal of milk.

The container outside may have a bevel at an angle β equal to, for example, 45 °, as an abutment for the fingers of the hands while holding the container. The rounding of the flanging and milk collector 4 with the corresponding radii R1 (2-4 mm), R2 (5-7 mm), R3 (2-4 mm) facilitates the disinfection of the breast pump.

Breast pump (figure 1, 2, 3) works as follows. The breast pump is placed with the open extended part to the chest and, slowly rotating, make smooth massaging movements. Compressing the walls 1, 3 of the elastic container, massage the chest with the other hand, which contributes to a more efficient decantation.

Compression of the container creates a regime of vacuum excretion of milk: a vacuum pulse, caused by manual compression of the elastic walls of the container, provides local compression of the milk sinuses located in the areolar region of the mammary gland. In this case, the nipple and part of the areola are retracted into the open container. Periodic compression of the container with the nipple and part of the areola with milk sinuses located in it ensures the squeezing and withdrawal of milk into the cavity of the milk collector in small portions, which are poured into a separate container. The rhythmic contraction of the areolar region, in addition to directly squeezing the milk, produces irritation of the skin receptors, which forms a full reflex of milk excretion and facilitates the release of milk.

The breast pump has the possibility of a metered compression force for an individual regime of milk removal by the patient himself without pain, which ensures normal milk secretion during lactogenesis. Its dimensions are made in such a way as to exclude compression of the part of the gland where the secretory tissue is located, since damage can occur. In order to have a vacuum effect opposite the areolar part with milk sines, the position of the device is adjusted by its movement.

The ability to adjust the position of the areolar region of the mammary gland, within which there are milk sinuses, relative to the vacuum effect of the tank allows you to individualize the breast pump. As a result, the efficiency of milk removal in women with a different structure of the mammary gland is increased, and the likelihood of pain and damaging effects on the mammary gland is also reduced.

The breast pump stimulates the strengthening of the milk flow reflex, while maintaining all the qualities of mother's milk, helps prevent hypogalactia and is intended for use by patients individually and in a hospital.

The breast pump of the proposed design, in addition to the main purpose, is also applicable for prenatal pumping of colostrum and for medicinal purposes for mastitis, correction of the shape of the nipple.

Preliminary tests of the breast pump in the postpartum department of the maternity ward confirmed its high efficiency in expressing milk in puerperas, as well as in the elimination of lactostasis and incipient mastitis.

The presented breast pump has the following advantages: it helps to eliminate early hypogalactia, restores the disturbed reflex of milk excretion, is easy to use and available for widespread use, has no contraindications to its use; does not require large material costs and energy-emitting equipment. Its main advantages are simplicity, compactness, ease of use and disinfection.

Claims (7)

1. A portable breast pump in the form of an open cone-shaped container, characterized in that the container is made elastic with the ability to manually compress its walls for procedures for removing milk or colostrum, is one structural element with wall thickness increasing toward the base, has a cavity with a volume of 50 to 90 mm and is equipped with a rounded flange at its base. 2. The breast pump according to claim 1, characterized in that the tank is made of an elastic inert material. 3. The breast pump according to claim 1, characterized in that it is equipped with a milk collector. 4. The breast pump according to claim 3, characterized in that the milk collector is made in the form of a recess in the side wall of the tank. 5. The breast pump according to claim 1, characterized in that the inner side surface of the container has a wall inclination of at least two degrees to the vertical axis. 6. The breast pump according to claim 1, characterized in that the tank has a bottom and side walls with varying thicknesses ranging from three to eight millimeters. 7. The breast pump according to claim 1, characterized in that it has a height of not more than 85 mm and a base diameter of not more than 65 mm.

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