JP2001314433A - Evacuation detection system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To detect surely an evacuation only. SOLUTION: This system is provided with a sensor 2 attached to a diaper 1 that absorbs urine and prevents leakage and a controller that outputs the evacuation signal by deciding the evacuation by a detection signal from the sensor 2. The sensor 2 comprises a humidity sensor 2a that detects a humidity of feces, a temperature sensor 2b that detects a temperature of the feces, a smell sensor 2c that detects a smell of the feces and a camera system 2d that decides a color of the feces.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD [0001] The present invention relates to the sick, elderly,
It is attached to a person who needs to defecate inside a diaper (need caregiver), such as an infant, who has difficulty in defecation using a toilet bowl, and automatically detects defecation in a diaper and defecates The present invention belongs to a technical field related to a bowel movement detection system that outputs a signal.

[0002]

2. Description of the Related Art Conventionally, as a system for detecting urination, for example, a system described in Japanese Patent Application Laid-Open No. 11-216154 is known.

In this conventional system, a urine sensor detects the humidity of urine by a humidity sensor attached to a diaper or the like of a care recipient and outputs a urination signal.

[0004]

In the above-mentioned conventional system, since it is impossible to distinguish between urine and stool, there is a problem that a urination signal is output in both urination and defecation.

[0005] With regard to urination of a care-requiring person, high-performance diapers having a function of absorbing urine and preventing leakage have been developed and provided. It has become to. For this reason, the practicality of the system for sensing urination has been reduced.

On the other hand, regarding the defecation of the care-requiring person, if the patient is left untreated, a skin disease or the like is caused. The situation is not immediately communicated. For this reason, regular inspection of diapers is required, which complicates care work.

[0007] The present invention has been made in consideration of such problems, and has as its object to provide a defecation detection system that can reliably detect only defecation.

[0008]

Means for Solving the Problems In order to solve the above-mentioned problems, a bowel movement sensing system according to the present invention employs the following means.

That is, according to the first aspect, a sensor attached to a diaper receiving pocket having a function of absorbing urine and preventing leakage, and a controller for judging defecation based on a sensor signal and outputting a defecation signal. And the sensor comprises at least a humidity sensor for detecting the stool humidity, a temperature sensor for detecting the temperature of the stool, and an odor sensor for detecting the odor of the stool.

In this means, a humidity sensor, a temperature sensor,
Based on the judgment based on the sensing signals of the three sensors including the odor sensor, only the defecation from which urination is discharged is detected and a defecation signal is output.

According to a second aspect of the present invention, in the defecation sensing system according to the first aspect, the sensor is formed in a sheet shape having flexibility, and the humidity sensor and the temperature sensor are provided near a portion facing the anus inside the diaper. The odor sensor is inserted and mounted in a storage pocket provided near an anus-facing portion outside the diaper.

In this means, a humidity sensor, a temperature sensor,
The attachment points of the three sensors including the odor sensors are separated inside and outside the diaper.

According to a third aspect of the present invention, in the defecation sensing system according to the second aspect, the sensor is inserted and mounted in a receiving pocket provided near a portion facing the anus inside the diaper, and the color of the receiving pocket by stool contact is provided. And a camera system for determining a color that senses a change in the image.

In this means, a camera system for judging color is added as a sensor.

According to a fourth aspect of the present invention, in the bowel movement detecting system according to any one of the first to third aspects, the odor sensor is provided with a plurality of odor components to be detected.

In this means, a plurality of odor components of the stool are sensed.

[0017]

Hereinafter, an embodiment of a bowel movement sensing system according to the present invention will be described with reference to the drawings.

FIG. 1 to FIG. 3 show an embodiment (1) of a bowel movement detecting system according to the present invention.

In this embodiment, an embodiment suitable for home care of the care recipient M is shown.

In this embodiment, as shown in FIG. 1, a sensor 2 attached to a diaper 1 to be worn by a care recipient M is provided.
And a controller 3 connected to the sensor 2 and an alarm 4 connected to the controller 3.

As shown in FIG. 2, the diaper 1 includes a planar water absorbing body 1a made of synthetic resin particles for absorbing and retaining urine,
An inner surface material 1b is laminated on the inside of the water absorbing body 1a and allows passage of urine, and an outer surface material 1c is laminated on the outside of the water absorbing body 1a and blocks passage of urine and permits ventilation. On the back and buttocks sides of the inner surface material 1b and the outer surface material 1c, accommodation pockets 1d and 1e which are opened at the upper edge and extend in the shape of a thin bag up to near the part facing the anus are formed, respectively.

The sensor 2 includes a storage pocket 1 for the diaper 1.
The humidity sensor 2a, the temperature sensor 2b, the odor sensor 2c, and the color sensor 2d are formed in a sheet-like shape having flexibility that can be inserted and attached to d and 1e. Humidity sensor 2
a, a temperature sensor 2b, and a camera system 2d for judging colors are inserted and mounted in the inner storage pocket 1d. The odor sensor 1c is inserted and attached to the outer storage pocket 1e.

The humidity sensor 2a senses the humidity of the stool, and has a function of transmitting a sensing signal when the humidity lower than the urine is continued for a longer time than the urine. That is, the urine is set so as not to detect urine immediately absorbed by the water absorbing body 1a of the diaper 1 with a large amount of moisture (high humidity). The fact that the diaper 1 is inserted into the accommodation pocket 1d inside the diaper 1 allows the stool itself to be close to the stool and accurately sense the humidity of the stool itself.

The temperature sensor 2b senses the temperature of the stool, and has a function of transmitting a sensing signal when substantially the same temperature as the urine is maintained for a longer time than the urine. That is, it is set so that urine absorbed by the water absorbing body 1a of the diaper 1 is not immediately detected. In addition, being inserted and attached to the accommodation pocket 1d inside the diaper 1, it is possible to accurately sense the temperature of the stool itself by being close to the stool.

The odor sensor 2c senses stool odor, and has a function of transmitting a detection signal when, for example, a hydrogen sulfide-based odor component is detected. That is, for example, it is set so as not to detect urine having almost no hydrogen sulfide odor component. In addition, the fact that the diaper 1 is inserted and attached to the outer storage pocket 1e allows the odor component volatilized from the stool apart from the stool to be accurately detected. Further, the odor sensor 2c may include a plurality of odor components to be detected, which are different from each other, in order to improve the accuracy of detecting odor of stool.

The color sensor 2 senses a change in the color of the storage pocket 1d due to contact with the stool, and has a function of transmitting a detection signal when the color change continues for a long time. That is, it is set so that urine absorbed by the water absorbing body 1a of the diaper 1 is not immediately detected. In addition, the fact that the stool is attached to the accommodation pocket 1d inside the diaper 1 makes it possible to accurately sense the attachment of the stool to the accommodation pocket 1d by approaching the stool.

The controller 3 includes a receiving unit 3a connected to the sensor 2 for receiving a sensing signal of the sensor 2, and a receiving unit 3a.
And an output unit 3c connected to the determination unit 3b and outputting a defecation signal when defecation is determined. The determination unit 3b is configured to detect the humidity sensor 2
a, the temperature sensor 2b, the odor sensor 2c, and the camera system 2d for judging the color, when the sensor signals are received from all four, it is judged that the defecation is performed, and the humidity sensor 2a, the temperature sensor 2b, the odor sensor 2c, the camera The setting is made so that when the sensing signals from all four of the system 2d are not received, it is determined that the bowel movement is not a bowel movement. Further, the humidity sensors 2a,
Temperature sensor 2b, odor sensor 2c, camera system 2d
It is also set to determine that a bowel movement has occurred even when a sensing signal is received from any of the four. In other words, it is possible to detect diarrhea-like stool close to urine and small lumpy stool with less water that tends to constipate.

The alarm 4 is an output unit 3c of the controller 3.
And displays an alarm composed of light, sound, and the like according to the defecation signal output by the output unit 3c.

According to this embodiment, the diaper 1 to which the sensor 2 is attached is pierced by the care recipient M, the power source such as a battery is checked, and the switches of the sensor 2 and the controller 3 are turned on.
And leave. At this time, although the sensor 2 is located near the anus of the care recipient M, the care recipient M does not feel uncomfortable because the sensor 2 has a flexible sheet shape.

When the care recipient M defecates, the alarm 4 displays an alarm. The caregiver who has confirmed the alarm of the alarm 4 turns off the switches of the sensor 2 and the controller 3, removes the diaper 1 from the care recipient M, removes the sensor 2, cleans and disinfects, and cleans the diaper to which the sensor 2 is attached. 1 needs caregiver M
Will be pierced. The removed diaper 1 is discarded.

The work of replacing the diaper 1 by the caregiver is as follows:
Because the warning display of the alarm 4 due to urination cannot occur,
There is no complication.

FIG. 4 shows an embodiment (2) of a bowel movement detecting system according to the present invention.

In this embodiment, an embodiment suitable for intensive care of the care recipient M is shown.

In this embodiment, the alarm 4 of the above-described embodiment (1) is centrally installed.

According to this embodiment, for example, by connecting the controller 3 of each bed in the hospital to the centralized alarm 4 installed in the nursing station by wire or wirelessly, the nursing waiting at the nursing station is possible. The alarm can be promptly confirmed by a caregiver consisting of a woman. Also,
A caregiver waiting at the care center by providing a communication function to the output unit 3b of the controller 3 and connecting the controller 3 of each house to a centralized alarm 4 installed at the care center via a telephone line or the like. Can promptly confirm the alarm.

FIG. 5 shows an embodiment (3) of a bowel movement sensing system according to the present invention.

In this embodiment, an embodiment suitable for intensive care of the care recipient M is shown.

In this embodiment, the controller 3 of the above-described embodiment (1) is incorporated in a large-sized computer 5. Further, the sensor 2 and the controller 3 are connected via the relay 6.

According to this embodiment, it is possible to incorporate the system in a centralized management system installed in a hospital or the like. Further, as the determination material of the determination unit 3b of the controller 3, the medical condition (diarrhea, defecation state such as constipation) of the care recipient M can be included. Note that this system can be used for both wired and wireless.

As described above, besides the illustrated embodiment, it is also possible to select a mobile alarm device 4 and display an alarm to a traveling caregiver.

[0041]

As described above, the defecation detection system according to the present invention senses only defecation that has excreted urine based on the determination based on the sensing signals of the three sensors including the humidity sensor, the temperature sensor, and the odor sensor. Since a signal is output, there is an effect that only defecation can be reliably detected. Also,
This effect eliminates the need for regular diaper inspections, and makes nursing care easier.

[0042] Furthermore, since the attachment points of the three sensors including the humidity sensor, the temperature sensor, and the odor sensor are separated inside and outside of the diaper, each sensor can accurately sense stool at each attachment point. There is an effect that can be.

Furthermore, a third aspect of the present invention provides a camera system for judging colors as a sensor and detects stool attached to the diaper, so that there is an effect that only defecation can be sensed more reliably. effective.

Furthermore, since a plurality of odor components of the stool are sensed, there is an effect that the stool sensing accuracy of the odor sensor is increased.

[Brief description of the drawings]

FIG. 1 is a control block diagram showing an embodiment (1) of a bowel movement sensing system according to the present invention.

FIG. 2 is a sectional view of a main part of FIG.

FIG. 3 is a flowchart of handling and control in FIGS. 1 and 2;

FIG. 4 is a control block diagram showing an embodiment (2) of a bowel movement sensing system according to the present invention.

FIG. 5 is a control block diagram showing an embodiment (3) of a bowel movement sensing system according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Diaper 1d, 1e Storage pocket 2 Sensor 2a Humidity sensor 2b Temperature sensor 2c Odor sensor 2d Camera system for judging color 3 Controller 3a Receiving part 3b Judgment part 3c Output part 4 Alarm M

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Haruko Matsushima 1-18-8 Minakugahara, Ota-ku, Tokyo (72) Inventor Akio Nagata 6-31-3, Maeharahigashi, Funabashi-shi, Chiba F-term (reference) 4C098 AA09 CC01 CD08 CD09 5C086 AA07 AA09 AA42 BA09 CA28 CA30 CB01 CB07 CB36 CB40 DA07 DA08 FA01 FA11 5C087 AA02 AA11 AA32 BB12 BB13 BB64 BB74 DD03 DD24 DD29 DD30 EE05 EE07 EE12 EE18 FF01 GG02 FF04 GG02 FF02 GG02 FF02 GG02 FF02 GG02 FF02 GG02 FF04 GG02 FF04

Claims (4)

[Claims] 1. A sensor comprising: a sensor attached to a diaper storage pocket having a function of absorbing urine to prevent leakage; and a controller for judging defecation based on a signal detected by the sensor and outputting a defecation signal. Is a defecation detection system comprising at least a humidity sensor for detecting stool humidity, a temperature sensor for detecting stool temperature, and an odor sensor for detecting stool odor. 2. The bowel movement sensing system according to claim 1,
The sensor is formed in a flexible sheet shape, the humidity sensor and the temperature sensor are inserted and mounted in a storage pocket provided near the part facing the anus inside the diaper, and the odor sensor is opposed to the anus outside the diaper. A defecation sensing system, wherein the system is inserted and mounted in a storage pocket provided near a part to be sewn. 3. The bowel movement sensing system according to claim 2,
The sensor includes a camera system for inserting and mounting in a receiving pocket provided near an anus-facing portion inside the diaper and for determining a color for detecting a change in the color of the receiving pocket due to contact with the stool. Defecation detection system. 4. The bowel movement detection system according to claim 1, wherein the odor sensor includes a plurality of odor components having different odor components to be sensed.