CN111001054A

CN111001054A - Bionic breast pump

Info

Publication number: CN111001054A
Application number: CN202010127117.1A
Authority: CN
Inventors: 郭磊; 赵亚婷; 张鑫涛; 刘志英; 袁媛; 陈龙; 李江
Original assignee: Individual
Current assignee: Affiliated Hospital Of North China University Of Science And Technology
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-04-14
Anticipated expiration: 2040-02-28
Also published as: CN111001054B

Abstract

The invention relates to the technical field of medical and health care equipment and supplies, in particular to a bionic breast pump. It includes a milk discharge assembly, the casing is divided into an upper cavity and a lower cavity, the upper cavity and the lower cavity are communicated; the inner cavity of the upper cavity matches the outer contour of the milk collection cover; The upper part of the lower cavity of the casing is fixed with a first connecting shaft, the first connecting shaft is hinged with one end of the jaw block, the other end of the jaw block is provided with a second connecting shaft, and the two ends of the crankshaft are respectively hinged with the casing; the motor is fixed on the casing A first gear is arranged at the bottom of the body and at the output end of the motor, and a second gear that meshes with the first gear is fixedly connected to the crankshaft. It reduces the discomfort of the mother during breastfeeding, and avoids the problems of nipple pain, ulceration, and areola shape changes caused by long-term repeated use. At the same time, it can also stimulate the nerve reflex to make the hypothalamus secrete more prolactin and promote milk. secretion.

Description

Bionic breast pump

Technical Field

The invention relates to the technical field of medical health care equipment and articles, in particular to a bionic breast pump.

Background

Milk stasis often recurs during lactation in women. If the deposited milk is discharged untimely, secondary infection can be caused, acute mastitis is induced, lactation is affected, and great pain is brought to women. The accumulated milk can be discharged in time, so that the occurrence of acute mastitis can be effectively prevented. At present, the accumulated milk is discharged mainly by two modes of milk discharge by a breast pump and manual milk discharge.

The breast pump on the market at present discharges breast mainly relies on air negative pressure to carry out the milk, though simple and convenient swift, the negative pressure that its produced is great to the amazing of nipple areola, and long-term used repeatedly can cause the nipple to ache, ulcerate, areola appearance change etc. longer to long-term long-pending breast, and the patient's effect that the mammary duct blocks is relatively poor.

In order to solve the problems of the prior breast pump in milk discharge, a new formula breast pump needs to be developed.

Disclosure of Invention

The invention provides a bionic breast pump, aiming at solving the problems that the stimulation of negative pressure to nipple areola is large when a breast pump is used for discharging breast, and the nipple pain, the rupture, the change of the areola shape and the like can be caused by long-term repeated use.

In order to achieve the purpose, the invention adopts the technical scheme that:

a bionic breast pump comprises a milk collecting cover, a milk discharging pipe and a milk collecting bottle, wherein the milk collecting cover is of a funnel-shaped structure, one end of the milk collecting cover is a large opening, the other end of the milk collecting cover is a small opening, a milk collecting device is made of soft elastic materials, a connecting pipe is arranged at the small opening end of the milk collecting cover and is connected with one end of the milk discharging pipe, the other end of the milk discharging pipe is communicated with the milk collecting bottle, the bionic breast pump further comprises a milk discharging assembly, and the milk discharging assembly is provided with a shell, a motor, a connecting rod, a jaw block, a first connecting shaft, a second connecting shaft and a crankshaft;

the shell is divided into an upper cavity and a lower cavity, and the upper cavity is communicated with the lower cavity; the inner cavity of the upper cavity is matched with the outer contour of the milk collecting cover, and the upper cavity is provided with an inlet and an outlet which correspond to the large opening and the small opening of the milk collecting cover;

a first connecting shaft is fixed at the upper part of the lower cavity of the shell, the first connecting shaft is hinged with one end of a jaw block, a second connecting shaft is arranged at the other end of the jaw block, the second connecting shaft is hinged with one end of a connecting rod, the other end of the connecting rod is hinged with a crankshaft, and two ends of the crankshaft are respectively hinged with the shell;

the motor is fixed at the bottom of the shell, a first gear is arranged at the output end of the motor, and a second gear meshed with the first gear is fixedly connected to the crankshaft.

Compared with the traditional milk discharging device, the invention has the beneficial effects that: by arranging the jaw block and enabling the jaw block to do reciprocating motion under the driving of the motor and the crankshaft, the reciprocating motion simulates the motion mode that a baby sucks milk; therefore, compared with the traditional breast pump, the breast pump can relieve the discomfort of the puerpera in the milk discharge process, and avoid the problems of nipple pain, ulceration, areola shape change and the like caused by long-term repeated use; meanwhile, the hypothalamus can secrete more prolactin and promote milk secretion by stimulating nerve reflex.

The invention can be further improved, and the improvement scheme is as follows:

the outer outline of the lower cavity of the shell is cuboid, and the main outline of the outer part of the shell is formed by the penetration of the cuboid and the side surface of the quasi-conical revolving body; the upper cavity and the lower cavity of the shell are integrally formed by injection molding.

A power supply and a control panel are arranged in the lower cavity of the shell, and the power supply and the motor, the power supply and the control panel and the motor are respectively connected by leads; an on-off key and a speed knob are arranged outside the shell and are respectively connected with the control panel through wires; the on-off key and the speed regulation knob realize the control of the motor under the action of the control panel.

The outer wall of the milk collecting cover is provided with a first connecting part used for connecting the jaw block, and the jaw block is provided with a second connecting part connected with the first connecting part.

The jaw block is a block-shaped body formed by sequentially connecting three side surfaces end to end, wherein the three side surfaces are a side plane, an arc surface and a bionic curved surface; a first hinge hole is formed in the virtual axis of the arc surface, and the first connecting shaft is hinged to the first hinge hole; and a gap is arranged at the joint of the side plane and the arc surface, two side surfaces of the gap are respectively and fixedly connected with two ends of the second connecting shaft, and the bottom surface of the gap is an arc surface which is coaxial with the second connecting shaft.

The first connecting part arranged on the outer wall of the milk collecting cover is an L-shaped clamping plate, one end of the L-shaped clamping plate is vertically and fixedly connected to the outer wall of the milk collecting cover, the other end of the L-shaped clamping plate is a free end, and the free end is arranged along the outer wall of the milk collecting cover from a large opening to a small opening; the second connecting part on the jaw block is positioned on the arc surface of the jaw block and is close to the joint of the arc surface and the bionic surface; the second connecting part is a rectangular groove matched with the free end of the L-shaped clamping plate; the free end of the first connection of the milk collection cap is inserted into the second connection of the jaw piece.

The connecting pipe of the milk collecting cover is provided with a one-way valve, and the mounting direction of the one-way valve is that the small opening end of the milk collecting cover points to the connecting end of the connecting pipe and the milk discharging pipe.

The bottom plate of the shell is detachably connected with the side wall of the shell; the shell bottom plate is fixedly connected with the shell side wall through screws.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front view of the present invention and a partial cross-sectional view showing the interior of the housing.

Fig. 3 is a left side view corresponding to fig. 2 and a partial sectional view showing the inside of the housing.

Fig. 4 is a perspective view of a jaw piece of the present invention.

Fig. 5 is a front view of the jaw piece of the present invention.

In the figure: a milk collection cover 1; a first connection portion 1-1; connecting pipes 1-2; a milk drainage pipe 2; a milk collection bottle 3; a housing 4; an upper cavity 4-1; a lower cavity 4-2; a motor 5; a connecting rod 6; a jaw piece 7; a second connecting portion 7-1; side planes 7-2; 7-3 of a circular arc surface; 7-4 of a bionic curved surface; a first hinge hole 7-5; 7-6 of a gap; a first connecting shaft 8; a second connecting shaft 9; a crankshaft 10; a first gear 11; a second gear 12; a check valve 13; an on-off key 14; a speed knob 15; a power supply 16.

Detailed Description

The invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 3, the embodiment of the present invention mainly comprises a milk collecting cover 1, a milk discharging pipe 2, a milk collecting bottle 3, a housing 4, a motor 5, a connecting rod 6, a jaw 7, a first connecting shaft 8, a second connecting shaft 9, a crankshaft 10, a first gear 11, a second gear 12, a one-way valve 13, a switch key 14, a speed knob 15, a power supply 16, and the like.

The milk collecting cover 1 is of a funnel-shaped structure, one end of the milk collecting cover is a large opening, the other end of the milk collecting cover is a small opening, the milk collecting device is made of soft elastic materials, a connecting pipe 1-2 is arranged at the small opening end of the milk collecting cover 1, the connecting pipe 1-2 is connected with one end of a milk discharging pipe 2, and the other end of the milk discharging pipe 2 is communicated with a milk collecting bottle 3.

The casing 4, the motor 5, the connecting rod 6, the jaw block 7, the first connecting shaft 8, the second connecting shaft 9, the crankshaft 10 and the like in the embodiment of the invention form a milk discharging assembly.

The shell 4 is divided into an upper cavity 4-1 and a lower cavity 4-2, and the upper cavity 4-1 is communicated with the lower cavity 4-2; the inner cavity of the upper chamber 4-1 matches the outer contour of the milk collecting hood 1, and the upper chamber 4-1 is provided with an inlet and an outlet corresponding to the large and small openings of the milk collecting hood 1.

A first connecting shaft 8 is fixed on the upper portion of a cavity 4-2 below the shell 4, the first connecting shaft 8 is hinged to one end of a jaw block 7, a second connecting shaft 9 is arranged at the other end of the jaw block 7, the second connecting shaft 9 is hinged to one end of a connecting rod 6, the other end of the connecting rod 6 is hinged to a crankshaft 10, and two ends of the crankshaft 10 are hinged to the shell 4 respectively.

The motor 5 is fixed at the bottom of the housing 4, a first gear 11 is arranged at the output end of the motor 5, and a second gear 12 meshed with the first gear 11 is fixedly connected to the crankshaft 10.

In this embodiment, the first gear 11 drives the second gear 12 engaged with the first gear under the driving of the motor 5, and the crankshaft 10 rotates with the second gear 12 as a fixed shaft; under the action of the crankshaft 10, the connecting rod 6 swings back and forth and pushes the jaw piece 7 to reciprocate (rotate back and forth) about the first connecting shaft 8, so that the jaw piece 7 presses the breast wrapped by the milk collecting cover 1, and the reciprocating motion of the jaw piece 7 is a motion simulating the sucking of milk by a baby.

Compared with the traditional milk discharging device, the embodiment of the invention has the advantages that: by arranging the jaw block 7 and enabling the jaw block 7 to do reciprocating motion under the driving of the motor 5 and the crankshaft 10, the reciprocating motion simulates the motion mode of sucking milk by a baby; therefore, compared with the traditional breast pump, the breast pump can relieve the discomfort of the puerpera in the milk discharge process, and avoid the problems of nipple pain, ulceration, areola shape change and the like caused by long-term repeated use; meanwhile, the hypothalamus can secrete more prolactin and promote milk secretion by stimulating nerve reflex.

In order to further improve the use effect of the bionic breast pump provided by the invention, the following preferred structure is adopted in the embodiment of the invention.

As the preferred structure, the external outline of the lower cavity 4-2 of the shell 4 is cuboid, the external main outline of the shell 4 is formed by the penetration of the cuboid and the side surface of the similar conical revolving body; the upper cavity 4-1 and the lower cavity 4-2 of the shell 4 are integrally formed by injection molding.

The lower cavity 4-2 is rectangular, so that the layout and installation of parts in the lower cavity 4-2 are facilitated, and the lower cavity is convenient to hold by hands; the upper cavity 4-1 is a cone-like rotary body (or a circular truncated cone-shaped shell 4) and is matched with the milk collecting cover 1, so that the breast can be attached to the milk collecting cover 1, and the deformation of the breast can be effectively eliminated; the upper cavity 4-1 and the lower cavity 4-2 are integrally formed by injection molding, so that the production cost can be greatly reduced, and the production efficiency and the manufacturing precision of the shell 4 are greatly improved.

As a preferred structure, a power supply 16 and a control panel are arranged in a cavity 4-2 under the shell 4, the power supply 16 is used for the motor 5, the power supply 16 is connected with the control panel, and the control panel is connected with the motor 5 through leads; an on-off key 14 and a speed knob 15 are arranged outside the shell 4, and the on-off key 14 and the speed knob 15 are respectively connected with a control panel through wires; the switch key 14 and the speed regulation knob realize the control of the motor 5 under the action of the control panel.

The power supply 16 is arranged in the shell 4, so that the use place and the condition of the embodiment are enlarged, and the situation that the power supply 16 is not used because the power supply is not used is avoided. The control board is mainly used for controlling the starting and stopping of the motor 5 and the rotating speed according to input signals (such as signals input through the switch key 14 and the speed regulation knob), so that the regulation and control of the moving speed of the jaw block 7 are realized. Therefore, the movement speed of the jaw block 7 can be adjusted according to specific conditions, and reasonable matching of the milk discharge speed is realized.

As a preferred structure, a first connecting part 1-1 for connecting a jaw piece 7 is arranged on the outer wall of the milk collecting cover 1, and a second connecting part 7-1 connected with the first connecting part 1-1 is arranged on the jaw piece 7.

By connecting the jaw piece 7 and the milk collection cap 1 via the first connection part and the second connection part 7-1, it is effectively prevented that the milk collection cap 1 is separated from the upper chamber body 4-1 or cannot automatically recover its shape with the return of the jaw piece 7 when the jaw piece 7 is returned after the upward movement.

As a preferable structure, the jaw block 7 is a block-shaped body formed by sequentially connecting three side surfaces end to end, wherein the three side surfaces are a side plane 7-2, an arc surface 7-3 and a bionic curved surface 7-4; a first hinge hole 7-5 is formed in the virtual axis of the arc surface 7-3, and the first connecting shaft 8 is hinged to the first hinge hole 7-5; a gap 7-6 is arranged at the joint of the side plane 7-2 and the arc surface 7-3, two side surfaces of the gap 7-6 are respectively and fixedly connected with two ends of a second connecting shaft 9, and the bottom surface of the gap 7-6 is the arc surface 7-3 which is coaxially arranged with the second connecting shaft 9.

The bionic curved surface 7-4 simulates the shape of the lower jaw of the baby, and the jaw block 7 is manufactured by 3D printing.

The preferable structure of the first connection portion 1-1 and the second connection portion 7-1 in the present embodiment is: the first connecting part 1-1 arranged on the outer wall of the milk collecting cover 1 is an L-shaped clamping plate, one end of the L-shaped clamping plate is vertically and fixedly connected to the outer wall of the milk collecting cover 1, the other end of the L-shaped clamping plate is a free end, and the free end is arranged along the outer wall of the milk collecting cover 1 in a direction from the large opening to the small opening; the second connecting part 7-1 on the jaw block 7 is positioned on the arc surface 7-3 of the jaw block 7 and is close to the joint of the arc surface 7-3 and the bionic surface; the second connecting part 7-1 is a rectangular groove matched with the free end of the L-shaped clamping plate; the free end of the first connection 1-1 of the milk collecting cap 1 is inserted into the second connection 7-1 of the jaw piece 7.

The movable splicing structure can ensure that the milk collecting cover 1 is linked with the jaw block 7 and is convenient for the assembly, disassembly and cleaning of the milk collecting cover 1.

As a preferable structure, a check valve 13 is arranged on the connecting pipe 1-2 of the milk collecting cover 1, and the installation direction of the check valve 13 is from the small opening end of the milk collecting cover 1 to the connecting end of the connecting pipe 1-2 and the milk discharging pipe 2.

The main function of the one-way valve 13 is to provide a certain negative pressure, thereby further ensuring the fit of the breast to the milk-collecting cap 1.

As a preferable structure, the bottom plate of the shell 4 is detachably connected with the side wall of the shell 4; the bottom plate of the shell 4 is fixedly connected with the side wall of the shell 4 through screws.

Greatly facilitates the assembly production and the replacement and maintenance of the parts in the lower cavity 4-2.

The use method for discharging the milk of the patient by using the embodiment of the invention comprises the following steps:

in a first step, the milk collecting cap 1 is placed in the upper cavity 4-1 of the self-body 4, and the milk collecting cap 1 is connected to the jaw piece 7 by means of the first connecting part 1-1 and the second connecting part 7-1.

Secondly, a connecting pipe 1-2 at the small opening of the milk collecting cover 1 extends out from one side of the upper cavity 4-1 of the shell and is connected with a milk discharging pipe 2, and the nipple areola of the patient is put into the milk collecting cover 1.

Thirdly, starting the motor 5 through the switch key 14, driving the crankshaft 10 to rotate by the motor 5, and enabling the jaw block 7 to simulate the motion mode of the lower jaw of the baby to do reciprocating motion up and down by the rotating crankshaft 10 to pull the connecting rod 6; when the jaw block 7 moves upwards, the space in the milk collecting cover 1 is compressed, so that the one-way valve 13 at the connecting pipe 1-2 of the milk collecting cover 1 is opened, and air is discharged; when the jaw block 7 moves downwards, the space in the milk collecting cover 1 is increased, so that the one-way valve 13 at the small opening of the milk collecting cover 1 is closed, and negative pressure is formed in the milk collecting cover 1 to suck and discharge milk.

And fourthly, after use, collecting the milk, separating the milk from the milk discharging pipe 2, taking out the milk from the upper cavity 4-1, cleaning the milk collecting cover 1, treating the milk in the milk collecting bottle 3, cleaning the milk collecting bottle 3 and the milk discharging pipe 2, and after cleaning, collecting the bionic milk discharging device.

When the embodiment of the invention is used, the reciprocating jaw block 7 plays a role in massaging the nipple and areola, so that discomfort caused by negative pressure can be relieved, nerve reflex can be stimulated, the hypothalamus can be promoted to secrete more prolactin, and the milk yield is further increased.

The bionic breast pump provided by the embodiment of the invention is described in detail above. The description of the present embodiment is only helpful to understand the method of the present invention and its core idea; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the present description should not be construed as limiting the present invention.

Claims

1. A bionic breast pump, comprising a milk collection cover, a milk discharge tube and a milk collection bottle, the milk collection cover is a funnel-shaped structure, one end is a large mouth, one end is a small mouth, and the milk collection device is made of soft elastic material, The small mouth end of the milk collection cover is provided with a connecting pipe, the connecting pipe is connected with one end of the milk discharge pipe, and the other end of the milk discharge pipe is connected with the milk collection bottle, and is characterized in that: it also includes a milk discharge assembly, the milk discharge assembly A casing, a motor, a connecting rod, a jaw block, a first connecting shaft, a second connecting shaft and a crankshaft are provided;

The housing is divided into an upper cavity and a lower cavity, and the upper cavity and the lower cavity are communicated; the inner cavity of the upper cavity matches the outer contour of the milk collection cover, and the upper cavity is provided with Inlets and outlets corresponding to the large and small openings of the milk collection hood;

A first connecting shaft is fixed on the upper part of the lower cavity of the casing, the first connecting shaft is hinged with one end of the jaw block, the other end of the jaw block is provided with a second connecting shaft, and the second connecting shaft is hinged with one end of the connecting rod, connecting the The other end of the rod is hinged with the crankshaft, and the two ends of the crankshaft are respectively hinged with the housing;

The motor is fixed on the bottom of the casing, a first gear is arranged at the output end of the motor, and a second gear that meshes with the first gear is fixedly connected to the crankshaft.

2 . The bionic breast pump according to claim 1 , wherein the outer contour of the lower cavity of the casing is in the shape of a rectangular parallelepiped, and the main outer contour of the casing is a rectangular parallelepiped and a side surface of a conical-like revolving body intersecting. 3 . The upper cavity and the lower cavity of the casing are integrally injection-molded.

3. The bionic breast pump according to claim 2, characterized in that: a power supply and a control board are provided in the lower cavity of the casing, and the power supply and the motor are respectively used for the power supply and the control board, and between the control board and the motor. Connected by wires; an on-off key and a speed knob are arranged outside the casing, and the on-off key and the speed knob are respectively connected with the wires of the control board; the on-off key and the speed control knob realize the control of the motor under the action of the control board.

4 . The bionic breast pump according to claim 1 , wherein a first connecting part for connecting the jaw block is provided on the outer wall of the milk collecting cover, and the first connecting part is provided on the jaw block. 5 . connected second connection.

5 . The bionic breast pump according to claim 4 , wherein the jaw block is a block formed by connecting three side surfaces end to end in sequence, and the three side surfaces are respectively a side plane, A circular arc surface and a bionic curved surface; a first hinge hole is arranged at the virtual axis of the circular arc surface, and the first connection shaft is hinged at the first hinge hole; The gap is fixedly connected with both ends of the second connecting shaft on the two sides of the gap, and the bottom surface of the gap is a circular arc surface coaxially arranged with the second connecting shaft.

6 . The bionic breast pump according to claim 5 , wherein the first connecting part arranged on the outer wall of the milk collection cover is an L-shaped cardboard, and one end of the L-shaped cardboard is vertically and fixedly connected to the milk. 7 . On the outer wall of the collection cover, the other end of the L-shaped clip is a free end, and the free end is arranged along the outer wall of the milk collection cover from the large mouth to the small mouth; the second connection part on the jaw block is located in the arc of the jaw block The second connection part is a rectangular groove matched with the free end of the L-shaped clip; the free end of the first connection part of the milk collection cover is inserted into the jaw inside the second connection part of the block.

7. The bionic breast pump according to claim 6, characterized in that: a one-way valve is provided on the connecting pipe of the milk collecting cover, and the installation direction of the one-way valve is directed from the small mouth end of the milk collecting cover to the connecting pipe and the drain valve. The connecting end of the milk duct.

8. The bionic breast pump according to any one of claims 1 to 7, wherein the bottom plate of the casing and the side wall of the casing are detachably connected; the bottom plate of the casing and the casing are connected by screws Side wall fixed connection.