JP7276791B1 - electric low pressure aspirator - Google Patents

Abstract

An electric low-pressure suction device that facilitates the work of connecting a cushion bottle is provided.
An electric low-pressure suction device (1) sucks bodily fluid and stores the sucked bodily fluid in a drainage bag (3). This electric low-pressure suction device 1 comprises a suction device main body 2 containing a suction pump 21 and a pressure sensor 22, and a cushion bottle externally attached to the suction device main body 2 and containing bodily fluid overflowing a drainage bag 3. 4 and . The cushion bottle 4 has a first port 422 that connects the cushion bottle 4 to the suction pump 21 and a second port 423 that connects the cushion bottle 4 to the pressure sensor 22 . The aspirator main body 2 has a first insertion port 27 that connects the cushion bottle 4 to the suction pump 21 by inserting the first port 422 , and a second port 423 that connects the cushion bottle 4 to the pressure sensor 22 by inserting the second port 423 . and a second insertion port 28 for connecting to the .
[Selection drawing] Fig. 6

Description

The present invention relates to a motorized low pressure suction device.

An electric low-pressure aspirator for aspirating body fluids such as pleural effusion of a patient comprises a main body of the aspirator containing a suction pump and a pressure sensor, a drainage bag for storing the aspirated body fluid, and an overflowing fluid from the drainage bag. and a cushion bottle for containing the collected body fluid (see, for example, Patent Document 1 and Non-Patent Document 1).

Japanese Patent Application Laid-Open No. 2006-020658

Senko Medical Industry Co., Ltd. > For medical professionals > Product information > Low pressure continuous suction device > Electric low pressure suction device Mela Sacume, [online], [searched December 24, 2020], Internet (URL: https http://www.mera.co.jp/medical/product-info/602/)

In such an electric low-pressure aspirator, it is necessary to connect the cushion bottle to each of the aspiration pump, the pressure sensor and the drainage bag via a plurality of tubes, which is a complicated operation.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an electric low-pressure suction device that facilitates the work of connecting a cushion bottle.

(1) The present invention is an electric low-pressure aspirator (for example, an electric low-pressure aspirator 1 to be described later) that sucks body fluid and stores the aspirated body fluid in a drainage bag (for example, a drainage bag 3 to be described later). an aspirator body (e.g., an aspirator body 2 to be described later) containing a suction pump (e.g., a suction pump 21 to be described later) and a pressure sensor (e.g., a pressure sensor 22 to be described later); and a cushion bottle (for example, a cushion bottle 4 described later) that is externally attached to the drainage bag and stores the bodily fluid that overflows the drainage bag, and the cushion bottle is the first to connect the cushion bottle to the suction pump. A port (for example, a first port 422 to be described later), a second port (for example, a second port 423 to be described later) for connecting the cushion bottle to the pressure sensor, and the second port branched to the drainage. a third port (for example, a third port 424 to be described later) that connects the cushion bottle to the drainage bag by attaching one end of a tube (for example, a tube 37 to be described later) connected to the bag; The aspirator main body has a first insertion opening (for example, a first insertion opening 27 to be described later) for connecting the cushion bottle to the suction pump when the first port is inserted, and the second port is inserted. and a second insertion port (for example, a second insertion port 28 to be described later) for connecting the cushion bottle to the pressure sensor.

According to the present invention, the cushion bottle has a first port connected to the suction pump and a second port connected to the pressure sensor, and the suction body is inserted into the first port to Having a first insertion port for connecting the cushion bottle to the suction pump and a second insertion port for connecting the cushion bottle to the pressure sensor by inserting the second port allows the first port to be connected to the pressure sensor. The cushion bottle can be connected to the suction pump and the pressure sensor simply by inserting it into the first insertion port and inserting the second port into the second insertion port.

(2) In the present invention, the first port is provided so as to protrude sideways, and the second port is provided so as to protrude sideways in parallel with the first port. The electric low-pressure aspirator according to (1) above, wherein the third port is provided so as to protrude upward .

(3) The present invention is also characterized in that the first port is inserted into the first insertion opening at the same time as the second port is inserted into the second insertion opening. (2) is an electric low-pressure suction device.

According to the electric low-pressure aspirator described in (1) to (3) above, the work of connecting the cushion bottle can be facilitated.

1 is an external perspective view of an electric low-pressure suction device according to an embodiment of the present invention, viewed from the front; FIG. It is the external appearance perspective view which looked the electric low-pressure suction device from the back. It is the external perspective view which looked at the aspirator main body from the back. It is a schematic diagram of an electric low-pressure aspirator. It is the external perspective view which looked at the cushion bottle from the front. It is the external appearance perspective view which looked at the aspirator main body and the cushion bottle from the back.

An electric low-pressure suction device 1 (see FIGS. 1 to 4 and 6) according to an embodiment of the present invention will be described in detail below with reference to the drawings. In addition, in each drawing, a part of the configuration is appropriately omitted to simplify the drawing.

First, the configuration of the electric low-pressure suction device 1 will be described with reference to FIGS. 1 to 4. FIG. FIG. 1 is an external perspective view of the electric low-pressure suction device 1 viewed from the front. FIG. 2 is an external perspective view of the electric low-pressure suction device 1 viewed from behind. FIG. 3 is an external perspective view of the aspirator main body 2 as viewed from the rear. FIG. 4 is a schematic diagram of the electric low-pressure suction device 1. As shown in FIG.

The electric low-pressure aspirator 1 shown in FIGS. 1 to 4 is a medical device that aspirates body fluid such as pleural effusion of a patient and stores the aspirated body fluid in a drainage bag 3 . Specifically, the electric low-pressure suction device 1 includes a suction device main body 2, a drainage bag 3, a cushion bottle 4, and the like.

The aspirator main body 2 incorporates a suction pump 21, a pressure sensor 22, an electromagnetic valve 23, and a control board 24, and has an operation panel 25 on its upper surface. The aspirator main body 2 has a space (reference numerals omitted) for supporting the drainage bag 3 on the front side. Further, the aspirator main body 2 has a space 26 for externally attaching the cushion bottle 4 on the back side.

The suction pump 21 operates under the control of the control board 24 to operate the cushion bottle 4 externally attached to the aspirator main body 2, the drainage bag 3 connected to the cushion bottle 4 via the tube 37, and the A negative pressure is created for each of the patients connected via tubing 33 to the drainage bag 3 .

The pressure sensor 22 detects the pressure in the drainage bag 3 and the cushion bottle 4 externally attached to the aspirator main body 2 and inputs the detected amount as a signal to the control board 24 .

The solenoid valve 23 operates under the control of the control board 24 to adjust the pressure in the drainage bag 3 and the cushion bottle 4 externally attached to the aspirator main body 2 .

The control board 24 operates the suction pump 21 and the solenoid valve 23 based on signals input from the pressure sensor 22 and the operation panel 25 . Further, the control board 24 operates the display section (reference numerals omitted) of the operation panel 25 based on the signal input from the pressure sensor 22 .

The operation panel 25 has a display section (reference numerals omitted) and an operation section (reference numerals omitted). The display unit (not labeled) operates under the control of the control board 24 to perform necessary display. When operated, the operation unit (reference numerals omitted) outputs a signal indicating that the operation has been performed to the control board 24 .

The space 26 is configured to be one size larger than the cushion bottle 4 and stores the cushion bottle 4 externally attached to the aspirator main body 2. - 特許庁The space 26 is provided with a first insertion opening 27 and a second insertion opening 28 in parallel to the left and right.

The first insertion port 27 is an insertion port connected to the suction pump 21 built in the aspirator main body 2, and the cushion bottle 4 is connected to the suction pump 21 by inserting the first port 422 of the cushion bottle 4. Let

The second insertion port 28 is an insertion port that is connected via an electromagnetic valve 23 to the pressure sensor 22 built in the aspirator main body 2. By inserting the second port 423 of the cushion bottle 4, the cushion can be Connect bottle 4 to pressure sensor 22 .

The drainage bag 3 is a disposable container molded from a transparent or translucent material such as hard plastic so that the bodily fluid contained therein can be visually recognized, and contains the bodily fluid sucked by the aspirator main body 2 .

The drainage bag 3 has a female connector 31 functioning as a patient-side connection port connected to the patient on the upper left side facing the front, and a cap for sealing the female connector 31. 32. The female connector 31 is connected to the tube 33 by inserting a male connector 34 attached to one end of the tube 33 connected to the patient. The cap 32 seals the female connector 31 by covering the female connector 31 after use.

Moreover, the drainage bag 3 has a female connector 35 functioning as a pump-side connection port connected to the suction pump 21 on the upper right side when facing the front. It has a cap 36 for The female connector 35 is connected to the tube 37 by inserting a male connector 38 attached to one end of the tube 37 connected to the suction pump 21 side. The cap 36 seals the female connector 35 by covering the female connector 35 after use or the like.

The cushion bottle 4 is externally attached to the back side of the aspirator main body 2 and functions as a buffer for containing body fluid that overflows the drainage bag 3 .

Next, the configuration of the cushion bottle 4 will be described with reference to FIG. FIG. 5 is an external perspective view of the cushion bottle 4 viewed from the front.

As shown in FIG. 5 , the cushion bottle 4 has a bottle body 41 and a lid 42 . The bottle body 41 is a bottomed cylindrical container with an open top. The lid 42 closes the opening (not shown) of the bottle body 41 . Specifically, the lid 42 has a lid body 421, a first port 422, a second port 423, a third port 424, a positive pressure release valve 425, and a water stop filter (not shown). ing.

The first port 422 is provided so as to protrude sideways in parallel with the second port 423, and is inserted into the first insertion port 27 (see FIGS. 3, 4 and 6) of the aspirator body 2. By doing so, the cushion bottle 4 is connected to the suction pump 21 . When the second port 423 is inserted into the second insertion port 28 (see FIGS. 3, 4 and 6) of the aspirator main body 2, the first port 422 is inserted into the first insertion port 27 (FIGS. 3 and 6). 4 and FIG. 6).

The second port 423 is provided so as to protrude sideways in parallel with the first port 422, and is inserted into the second insertion port 28 (see FIGS. 3, 4 and 6) of the aspirator main body 2. By doing so, the cushion bottle 4 is connected to the pressure sensor 22 . When the first port 422 is inserted into the first insertion port 27 (see FIGS. 3, 4 and 6) of the aspirator main body 2, the second port 423 is inserted into the second insertion port 28 (FIGS. 3 and 6). 4 and FIG. 6).

The third port 424 branches off from the second port 423 and is provided so as to protrude upward, and the tube 37 (see FIGS. 1 and 4) connected to the drainage bag 3 (see FIGS. 1, 2 and 4). 2 and 4) is attached to connect the cushion bottle 4 to the drainage bag 3 (see FIGS. 1, 2 and 4).

The positive pressure release valve 425 is provided so as to protrude upward. This positive pressure release valve 425 releases the positive pressure in the suction circuit (not numbered) including the cushion bottle 4 . The suction circuit (no reference numerals) includes the patient, the tubes 33 and 37, the drainage bag 3, the cushion bottle 4, the pump suction port (first port 422), and the pressure sensor suction port (second port 423 to which the solenoid valve 23 is connected). through the pressure sensor 22).

A water stop filter (not shown) is provided at the proximal end of the first port 422 to prevent bodily fluid that has overflowed from the drainage bag 3 into the cushion bottle 4 from being sucked into the suction pump 21 (see FIG. 4). do.

Next, the action of the electric low-pressure suction device 1, that is, the operation of connecting the cushion bottle 4 will be described with reference to FIGS. 6 and 2. FIG. FIG. 6 is an external perspective view of the aspirator main body 2 and the cushion bottle 4 as seen from the rear.

First, one end of the tube 37 (see FIGS. 1, 2 and 4) connected to the drainage bag 3 (see FIGS. 1, 2 and 4) is attached to the third port 424 of the cushion bottle 4, and the cushion bottle is 4 is connected to the drainage bag 3 (see FIGS. 1, 2 and 4).

Next, as shown in FIG. 6, the first port 422 and the second port 423 of the cushion bottle 4 are made to face the first insertion port 27 and the second insertion port 28 of the aspirator main body 2, respectively. Thereafter, as shown in FIG. 2, the first port 422 (see FIG. 6) of the cushion bottle 4 is inserted into each of the first insertion port 27 (see FIG. 6) and the second insertion port 28 (see FIG. 6) of the aspirator body 2. ) and second port 423 (see FIG. 6). Thereby, the cushion bottle 4 is externally attached to the aspirator main body 2. - 特許庁

According to such an electric low-pressure aspirator 1, the cushion bottle 4 has the first port 422 connected to the aspiration pump 21 and the second port 423 connected to the pressure sensor 22, and the aspirator The main body 2 connects the cushion bottle 4 to the pressure sensor 22 by inserting the first port 422 and the second port 423. By having the second insertion port 28 that allows the cushion bottle 4 to can be connected to the suction pump 21 and the pressure sensor 22 .

As a result, according to the electric low-pressure aspirator 1, the operation of connecting the cushion bottle 4 can be facilitated.

The present invention is not limited to the above embodiments, and various modifications are possible without departing from the gist and technical idea of the present invention. That is, the position, size, length, quantity, shape, material, etc. of each component can be changed as appropriate.

Reference Signs List 1 electric low-pressure suction device 2 suction device body 21 suction pump 22 pressure sensor 23 solenoid valve 24 control board 25 operation panel 26 space 27 first insertion port 28 second insertion port 3 drainage bag 31 female connector 32 cap 33 tube 34 male Connector 35 Female connector 36 Cap 37 Tube 38 Male connector 4 Cushion bottle 41 Bottle body 42 Lid 421 Lid body 422 First port 423 Second port 424 Third port 425 Positive pressure release valve

Claims (3)

An electric low-pressure aspirator for aspirating body fluid and storing the aspirated body fluid in a drainage bag,
an aspirator body containing a suction pump and a pressure sensor;
a cushion bottle that is externally attached to the aspirator main body and stores bodily fluid that overflows the drainage bag,
The cushion bottle is branched from a first port for connecting the cushion bottle to the suction pump, a second port for connecting the cushion bottle to the pressure sensor, and the second port to connect to the drainage bag. a third port to which one end of a tube is attached to connect the cushion vial to the drainage bag ;
The aspirator main body has a first insertion port for connecting the cushion bottle to the suction pump by inserting the first port, and a pressure sensor for connecting the cushion bottle to the pressure sensor by inserting the second port. and a second insertion opening for connection. The first port is provided to protrude sideways,
The second port is provided so as to protrude sideways in parallel with the first port ,
The electric low-pressure aspirator according to claim 1 , wherein the third port is provided so as to protrude upward . 3. The electric low-pressure suction device according to claim 1, wherein the first port is inserted into the first insertion opening at the same time as the second port is inserted into the second insertion opening. .

Images