JP6831542B2 - Secretory suction device - Google Patents

Description

The present invention relates to a secretion suction device that sucks liquid secretions such as runny nose and sputum of infants and the like.

A secretion suction device for sucking secretions of infants and the like, which is difficult to properly discharge liquid secretions such as runny nose and sputum, has been put into practical use. As such a secretion suction device, Patent Document 1 below describes a main body having a built-in suction pump, a bottle that operates a suction pump to store the sucked secretion, and a detachable attachment to the upper end of the bottle. A secretory suction device with a cap is disclosed.

On the upper surface of the main body of this secretion suction device, a connection port connected to the suction pump via an internal hose or the like built in the main body is provided. On the other hand, a bracket is detachably connected to the upper surface of the cap via a rail, and one end of an external hose arranged outside the main body is connected to this bracket. The other end of this external hose is connected to the connection port on the upper surface of the main body. In addition, a suction hose applied to a target person such as an infant is also connected to the upper surface of the cap. Then, in this secretion suction device, when the suction pump is operated, the negative pressure of the suction pump acts on the suction hose via the internal hose, the external hose, and the inside of the bottle. As a result, the secretions of the subject such as an infant are sucked and contained in the bottle.

Japanese Unexamined Patent Publication No. 2016-87080

In the secretion suction device, since it is necessary to appropriately clean the bottle and the cap containing the secretion, it is required that the main body and the bottle can be easily attached and detached and the bottle and the cap can be easily washed. There is. However, the secretion suction device disclosed in Patent Document 1 has a problem that it is necessary to attach / detach the bracket and the cap to which the external hose is connected when attaching / detaching the main body and the bottle, which is complicated. Further, since the cap has a rail for connecting a suction hose connection portion and a bracket and has a relatively complicated structure, there is also a problem that it takes time and effort to clean the cap.

In addition, if the secretion enters the suction pump in the process of sucking the liquid secretion, the suction pump may be seriously damaged. Therefore, in such a secretion suction device, a float valve is installed in the bottle. , When the liquid level of the secretion rises above a predetermined value, the connection with the suction pump is often cut off. Since this float valve also needs to be cleaned appropriately, it is desirable to easily attach and detach it at a position where it can be easily approached.

An object of the present invention made in view of the above facts is to provide a discharge suction device in which the main body and the bottle can be easily attached and detached, or the float valve installed in the bottle can be easily attached and detached, and the bottle and the cap can be easily washed. That is.

In order to solve the above problems, the present invention provides the secretion suction device according to claim 1, which is the scope of claims. That is, "a secretion suction device that sucks liquid secretions such as nasal discharge and sputum, a main body having a built-in suction pump, a bottle that operates the suction pump to store the sucked secretion, and the above. A cap detachably attached to the upper end of the bottle is provided, a bottle attachment portion to which the bottle is detachably attached is formed on the main body, and a bottle connector connected to the suction pump is formed on the bottle attachment portion. Is arranged so as to project upward, and the bottle is provided at a cylindrical outer wall extending in the vertical direction, an annular bottom wall connected to the lower end of the outer wall, and a central portion of the bottom wall. It has a cylindrical inner wall surface extending upward from the inner peripheral edge, and a discharge storage space is defined by the inner peripheral surface of the outer wall surface, the upper surface of the bottom wall, and the outer peripheral surface of the inner wall surface, and the said main body. The bottle connector is detachably fitted from the inner peripheral edge of the bottom wall to the inner peripheral surface of the inner wall surface, and the secretion storage space is sucked through the bottle flow path defined by the inner peripheral surface of the inner wall surface. A float valve connected to a pump and at the upper end of the inner side wall of the bottle closes the bottle flow path when the liquid level of the secretion contained in the secretion storage space rises above a predetermined value. It is a discharge suction device provided with the assembly detachably fitted .

As an embodiment of the present invention, as described in claim 2, before Symbol cap is secretions inlet opening formed to be positioned above the secretions accommodating space, wherein the secretion inlet opening downward the It is preferable that a guide member having an inclined flow path inclined toward the inner peripheral surface side of the outer side wall is attached. Further, as described in claim 3 , the bottle mounting portion includes a circular mounting surface in which the bottle connector is arranged in the center, and a cylindrical support surface extending upward from the peripheral edge of the previously described mounting surface. It is convenient to have.

In the secretion suction device provided by the present invention, the bottle connector of the main body is fitted from the inner peripheral edge of the bottom wall of the bottle to the inner peripheral surface of the inner side wall, so that the bottle is defined by the inner peripheral surface of the inner wall surface of the bottle. Since the discharge storage space of the bottle can be connected to the suction pump via the flow path, it is not necessary to connect the bottle or cap and the main body with an external hose or the like, and the bottle can be easily attached to the main body. .. Further, in the secretion suction device of the present invention, since the inner peripheral edge of the bottom wall is provided at the center of the bottom wall, it is not necessary to align the bottle and the bottle mounting portion in the circumferential direction, regardless of the directionality. A bottle can be attached to the main body.

Further, in the secretion suction device of the present invention, the bottle can be easily removed from the main body by lifting the bottle to release the fitting between the bottle connector and the inner peripheral surface of the inner side wall.

Further, in the discharge suction device of the present invention, since the discharge storage space and the suction pump are connected via the bottle flow path, an external hose connecting the bottle or cap and the main body, or such an external hose can be used. Since a bracket or the like for attaching to the cap is not required and the bottle and the cap can be constructed relatively simply, the bottle and the cap can be easily cleaned.

Furthermore, in the secretion suction device of the present invention , a float at the upper end of the inner side wall of the bottle blocks the bottle flow path when the liquid level of the secretion contained in the secretion storage space rises above a predetermined value. Since the valve assembly is detachably fitted and provided, the discharge contained in the discharge storage space is prevented from entering the suction pump through the bottle flow path, and the cap is removed from the bottle. By removing it, the float valve assembly can be approached, and the float valve assembly can be easily attached / detached and cleaned.

In the secretion suction device according to the second embodiment, the cap is formed with a secretion inlet opening located above the secretion storage space, and the secretion inlet opening is downwardly facing the inner peripheral surface side of the outer wall. A guide member having an inclined flow path inclined to the surface is attached. By this guide member, the sucked liquid secretion flows out toward the outer wall, adheres to the inner peripheral surface of the outer wall of the bottle, and flows down as it is, so that the secretion enters the bottle flow path. More reliably prevented.

In the secretion suction device according to the third embodiment, the bottle mounting portion includes a circular mounting surface in which a bottle connector is arranged in the center, and a cylindrical support surface extending upward from the peripheral edge of the mounting surface. Has. Therefore, when mounting the bottle on the main body, the outer wall of the bottle is guided by the support surface, so that the bottle can be easily mounted on the main body, and when the bottle is mounted on the main body, the outer wall is supported by the support surface. Therefore, the bottle is securely held in the bottle mounting portion.

An exploded perspective view of a secretion suction device configured according to the present invention. FIG. 3 is a cross-sectional view of the secretion suction device shown in FIG. FIG. 3 is a cross-sectional view of the bottle shown in FIG. FIG. 2 is a cross-sectional view of the second connector shown in FIG. (A) A plan view of the valve packing shown in FIG. 2, and a sectional view taken along line AA in (b) and (a). (A) A plan view of the float cylinder shown in FIG. 2, and a sectional view taken along line BB in (b) and (a). FIG. 2 is a cross-sectional view of the float shown in FIG.

Hereinafter, preferred embodiments of the secretion suction device configured according to the present invention will be described with reference to the drawings.

Explaining with reference to FIGS. 1 and 2, the secretion suction device indicated by reference numeral 2 is a device for sucking liquid secretions such as runny nose and sputum of infants and the like, and is a suction pump P (FIG. 2). A main body 4 having a built-in (see 2), a bottle 6 for operating a suction pump P to store the sucked secretion, and a cap 8 detachably attached to the upper end of the bottle 6 are provided.

In the illustrated embodiment, the case 10 of the main body 4 has a vertically divided structure of an upper portion 10a and a lower portion 10b. A bottle mounting portion 12 to which the bottle 6 is detachably mounted is formed on the upper portion 10a of the case 10. The bottle mounting portion 12 has a circular mounting surface 14 on which the bottle 6 is mounted and a cylindrical support surface 16 extending upward from the peripheral edge of the mounting surface 14, and has a bottomed cylindrical recess as a whole. It is configured as a place.
At the center of the mounting surface 14, an upper end side portion of the L-shaped bottle connector 18 is arranged so as to project upward from the mounting surface 14. A pair of O-rings 18a are mounted on the outer peripheral surface of the upper end side of the bottle connector 18 at intervals in the vertical direction. Further, the lower end side portion of the bottle connector 18 is connected to the suction pump P via an appropriate internal hose (not shown) or the like built in the main body 4.

As shown in FIG. 1, a viewing window 20 is formed on the side surface of the case 10 of the main body 4, and the liquid level of the secretion contained in the bottle 6 can be confirmed through the window 20. It has become. On the upper surface of the case 10, a power switch 22 and a lighting switch 24 for lighting a lighting means (not shown) such as an LED light are provided. When the secretion suction device 2 is used in a dim bedroom or the like at night, the secretion to be sucked can be clearly confirmed by turning on the lighting means.

Further, on the upper surface of the case 10, an adjustment dial 26 for adjusting the suction pressure of the suction pump P, a meter 28 for displaying the suction pressure, and a tip portion of a suction hose 30 applied to a target person such as an infant are placed. A bottomed cylindrical hose holder 32 for temporary insertion is provided.

Explaining with reference to FIGS. 2 and 3, the bottle 6 has a cylindrical outer wall 34 extending in the vertical direction, an annular bottom wall 36 connected to the lower end of the outer wall 34, and a central portion of the bottom wall 36. It has a cylindrical inner side wall 38 extending upward from the inner peripheral edge provided in the above. In the bottle 6 configured as described above, the inner peripheral surface of the outer wall 34, the upper surface of the bottom wall 36, and the outer peripheral surface of the inner side wall 38 operate a suction pump P to accommodate the sucked secretions. The secretion storage space 40 of the above is defined. Then, the bottle connector 18 of the main body 4 is detachably fitted from the inner peripheral edge of the bottom wall 36 to the inner peripheral surface of the inner side wall 38, and the secretion storage space 40 is a bottle flow defined by the inner peripheral surface of the inner side wall 38. It is connected to the suction pump P via the road 42.

As shown in FIGS. 2 and 3, the upper end of the inner wall 38 of the bottle 6 blocks the bottle flow path 42 when the liquid level of the secretion contained in the secretion storage space 40 rises above a predetermined value. The float valve assembly 44 is detachably fitted and provided. The float valve assembly 44 according to the illustrated embodiment has an L-shaped first connector 46 whose one end side is detachably fitted to the upper end of the inner side wall 38 and which is detachably attached to the other end side of the first connector 46. Includes a second connector 48 fitted to.

A pair of O-rings 46a are mounted on the outer peripheral surface on one end side of the first connector 46 at intervals, and a pair of O-rings 46b are also spaced on the outer peripheral surface on the other end side of the first connector 46. It is installed. As shown in FIGS. 3 and 4, the second connector 48 constituting the L-shaped flow path includes a cylindrical inner fitting wall 50 that defines a lower end portion of the L-shaped flow path and an inner fitting wall. It is provided with a cylindrical outer fitting wall 52 located radially outward of 50.

As shown in FIG. 3, the float valve assembly 44 further includes a cylindrical valve packing 54 detachably fitted to the inner peripheral surface of the inner fitting wall 50 of the second connector 48, and a second connector. A bottomed cylindrical float cylinder 56 detachably fitted to the outer peripheral surface of the outer fitting wall 52 of 48, and a disk-shaped float 58 provided inside the float cylinder 56 so as to be able to move up and down are included.

As shown in FIG. 5, a plurality of annular retaining protrusions 54a that are in close contact with the inner peripheral surface of the second connector 48 are formed on the outer peripheral surface of the valve packing 54 formed of an appropriate elastic member such as silicon rubber. ing. Further, a seat surface 54b having a diameter gradually increasing downward is formed on the inner peripheral surface on the lower end side of the valve packing 54.

As shown in FIG. 6, a plurality of ventilation openings 60 through which the sucked air is passed by operating the suction pump P are formed on the side surface of the float cylinder 56 at intervals in the circumferential direction. Further, in the central portion of the inverted conical bottom surface of the float cylinder 56, a circular secretion infiltration opening 62 is formed for allowing the secretion contained in the secretion accommodating space 40 to enter the inside of the float cylinder 56. ..

As shown in FIG. 7, conical portions 58a and 58b are formed on the upper surface and the lower surface of the float 58. Then, in the float 58 which is vertically inserted into the float cylinder 56 from the open upper end of the float cylinder 56, the liquid level of the secretion contained in the secretion storage space 40 rises above a predetermined value. At this time, it is raised by the secretion that has entered the float cylinder 56 from the secretion intrusion opening 62, and the conical portion 58a on the upper surface comes into close contact with the seat surface 54b of the valve packing 54 to block the bottle flow path 42. There is. This prevents the secretions contained in the secretion storage space 40 from entering the suction pump P through the bottle flow path 42.

The cap 8 will be described with reference to FIGS. 1 and 2. The cap 8 extends downward from the top wall 64 having an arcuate cross section, the cylindrical skirt wall 66 extending downward from the peripheral edge of the top wall 64, and the lower peripheral edge portion of the top wall 64 in the radial inward direction of the skirt wall 66. Includes an annular holding wall 68 (see FIG. 2). An annular cap packing 70 is arranged between the inner peripheral surface of the skirt wall 66 and the outer peripheral surface of the holding wall 68.

A circular secretion inlet opening 72 located above the secretion storage space 40 of the bottle 6 is formed on the top wall 64 of the cap 8. As shown in FIG. 2, the secretion inlet opening 72 is provided with a guide member 74 having an inclined flow path 74a that is inclined downward toward the inner peripheral surface side of the outer wall 34 of the bottle 6. In the illustrated embodiment, a cylindrical mounting wall 76 extending downward from the peripheral edge of the secretion inlet opening 72 is formed on the lower surface of the top wall 64, and an upper end side portion of the guide member 74 is formed on the outer peripheral surface of the mounting wall 76. The inner peripheral surface is detachably fitted. Further, an L-shaped suction hose connector 78 projecting upward from the top wall 64 is detachably attached to the secretion inlet opening 72. A pair of O-rings 78a are mounted on the outer peripheral surface of the suction hose connector 78 on the lower end side at intervals in the vertical direction. A suction hose 30 is detachably connected to the upper end side of the suction hose connector 78.

Next, a method of using the secretion suction device 2 as described above will be described. When using the discharge suction device 2, first, the bottle 6 equipped with the float valve assembly 44 and the cap 8 is inserted into the bottle mounting portion 12, and the bottom wall 36 of the bottle 6 is inserted into the mounting surface 14 of the bottle mounting portion 12. The bottle connector 18 of the main body 4 is fitted to the inner peripheral surface of the inner side wall 38 from the inner peripheral edge of the bottom wall 36. As a result, the secretion storage space 40 of the bottle 6 can be connected to the suction pump P via the bottle flow path 42, the bottle connector 18, the internal hose, and the like. Therefore, in the suction device of the present invention, when the bottle 6 is attached to the main body 4, it is not necessary to connect the bottle 6 or the cap 8 and the main body 4 with an external hose or the like, and the bottle 6 is easily attached to the main body 4. be able to.

Further, in the suction device of the present invention, the inner peripheral edge of the bottom wall 36 is provided at the center of the bottom wall 36, and the bottle connector 18 is provided at the center of the mounting surface 14, so that the bottle 6 and the bottle 6 are provided. It is not necessary to align the bottle 6 with the bottle mounting portion 12 in the circumferential direction, and by inserting the bottle 6 along the support surface 16 of the bottle mounting portion 12, the bottle 6 can be mounted on the main body 4 regardless of the directionality. .. Further, when the bottle 6 is mounted on the main body 4, the outer wall 34 of the bottle 6 is guided by the support surface 16 of the bottle mounting portion 12, so that the bottle 6 can be easily mounted on the main body 4. Then, when the bottle 6 is mounted on the main body 4, the outer wall 34 is supported by the support surface 16, so that the bottle 6 is securely held by the bottle mounting portion 12.

After attaching the bottle 6 to the main body 4, the cap 8 and the suction hose 30 are connected via the suction hose connector 78. Next, after operating the power switch 22 to operate the suction pump P, the adjustment dial 26 is operated while checking the meter 28 to appropriately adjust the suction pressure of the suction pump P. Then, the tip of the suction hose 30 is brought close to the target portion such as the nostril of the infant. Then, the secretion is sucked by the negative pressure of the suction pump P.
The secretion sucked together with the air is separated from the air in the secretion storage space 40 and stored in the secretion storage space 40. In the illustrated embodiment, the secretion inlet opening 72 of the cap 8 is provided with a guide member 74 having an inclined flow path 74a that is inclined downward toward the inner peripheral surface side of the outer wall 34, so that the secretion is produced. It is more reliably prevented from adhering to the inner peripheral surface of the outer side wall 34, falling downward, and entering the bottle flow path 42. Further, the air separated from the secretion is exhausted from the exhaust port (not shown) of the suction pump P through the inside of the float valve assembly 44, the bottle flow path 42, and the like.

When the liquid level of the secretion contained in the secretion storage space 40 rises above a predetermined value by repeating suction of the secretion, the conical portion 58a on the upper surface of the float 58 comes into close contact with the seat surface 54b of the valve packing 54. The bottle flow path 42 is closed. This prevents the secretions contained in the secretion storage space 40 from entering the suction pump P through the bottle flow path 42.

Then, when the secretions contained in the secretion storage space 40 are discarded and the bottle 6 and the cap 8 are washed, the bottle 6 is lifted and pulled out from the bottle mounting portion 12, and the inner circumference of the bottle connector 18 and the inner side wall 38 is removed. Release the mating with the surface. As a result, the bottle 6 can be easily removed from the main body 4. In the suction device of the present invention, since the secretion storage space 40 and the suction pump P are connected via the bottle flow path 42, an external hose connecting the bottle 6 or the cap 8 and the main body 4 or such an external hose Since a bracket or the like for attaching the hose to the cap 8 is not required and the bottle 6 and the cap 8 can be configured relatively simply, the bottle 6 and the cap 8 can be easily cleaned.

Further, in the illustrated embodiment, since the float valve assembly 44 is detachably fitted to the upper end of the inner wall 38 of the bottle 6, the float valve assembly 44 is provided by removing the cap 8 from the bottle 6. The float valve assembly 44 can be easily removed and disassembled and cleaned individually.

2: Secretory suction device 4: Main body 6: Bottle 8: Cap 12: Bottle mounting part 14: Mounting surface 16: Support surface 18: Bottle connector 34: Outer wall 36: Bottom wall 38: Inner side wall 40: Secretory storage Space 42: Bottle flow path 44: Float valve assembly 72: Secretory inlet opening 74: Guide member 74a: Inclined flow path P: Suction pump

Claims (3)

It is a secretion suction device that sucks liquid secretions such as runny nose and sputum.
It includes a main body with a built-in suction pump, a bottle that operates the suction pump to store the sucked secretions, and a cap that is detachably attached to the upper end of the bottle.
A bottle mounting portion on which the bottle is detachably mounted is formed on the main body, and a bottle connector connected to the suction pump is arranged on the bottle mounting portion so as to project upward.
The bottle has a cylindrical outer wall extending in the vertical direction, an annular bottom wall connected to the lower end of the outer wall, and a cylindrical inner surface extending upward from an inner peripheral edge provided at the center of the bottom wall. It has a wall, and a secretion storage space is defined by an inner peripheral surface of the outer wall, an upper surface of the bottom wall, and an outer peripheral surface of the inner side wall.
The bottle connector of the main body is detachably fitted from the inner peripheral edge of the bottom wall to the inner peripheral surface of the inner side wall, and the secretion storage space is a bottle flow path defined by the inner peripheral surface of the inner side wall. via being connected to said suction pump,
A float valve assembly that closes the bottle flow path when the liquid level of the secretion contained in the secretion storage space rises above a predetermined value is detachably fitted to the upper end of the inner wall surface of the bottle. A combined secretion suction device. The cap is formed with a secretion inlet opening located above the secretion storage space, and the secretion inlet opening has a guide having an inclined flow path inclined downward toward the inner peripheral surface side of the outer wall. The secretion suction device according to claim 1, wherein a member is attached . The bottle mounting portion, that Yusuke and circular mounting surface on which the bottle connector is disposed in the center, from the peripheral edge of the mounting surface and a cylindrical bearing surface extending upwardly claim 1 or 2 The secretion suction device described in.