JP2728197B2 - Defecation treatment device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved defecation treatment apparatus which is inserted into the rectum of a patient with dysfunction, etc., and which smoothly and safely crushes and removes feces.

[0002]

2. Description of the Related Art With the aging of the population, the number of bedridden elderly people is increasing. In addition, there are many people with physical disabilities due to traffic accidents and congenital factors, and nearly half of them are accompanied by nerve palsy. For these people, although the treatment of defecation is a major problem in daily life, urine collectors have been developed as excretion devices, and laxatives and enemas are still required for excretion of feces. Alternatively, a method of prompting defecation by defecation or the like is employed. In particular, for patients presenting with hard stool defecation symptoms, a combination of high-pressure enemas, defecation, and suppository treatments are used to forcibly excrete them. In addition to causing significant discomfort mentally, the defecation practitioner also has to engage in long-time defecation work, and is obliged to perform a disgusting work that must endure the odor of feces.

As means for solving such problems in defecation treatment, the present applicant has already developed a number of excretion treatment devices for efficiently crushing and removing stool in the rectum using mechanical vibration. (Japanese Patent Laid-Open No. 1-198540)
JP, JP-A-2-218362, JP-A-3-140161, JP-A-3-151981, JP-A-5-345017, JP-A-5-161711, and JP-A-5-309133 ).

In the defecation treatment apparatus disclosed in Japanese Patent Application Laid-Open No. Hei 5-345017, an insertion tool provided with a horn that generates mechanical vibration is inserted into the rectum from the anus, and the irrigation means for the bowel wash and the suction means for the crushed feces are used. A pressure sensor for detecting the internal pressure on the irrigation side and the suction side, in a device for excreting and removing feces via
The mechanism is provided with a pressure control unit for operating / stopping the driving units of the irrigation pump, the suction pump, and the vibration source in response to a signal from the pressure sensor.

[0005]

According to the defecation processing apparatus provided with the above-mentioned pressure control unit (Japanese Patent Laid-Open No. 5-345017), the internal pressure signals on the irrigation side and the suction side captured by the pressure sensor are converted to the pressure control unit. In the event of an overpressure that is outside the preset pressure range, the irrigation pump and the vibration drive unit are automatically stopped, and at the same time, the suction pump is activated to remove the feces by suction. When the pressure falls below the predetermined value, the suction pump stops, the irrigation pump operates to increase the rectal pressure, and the mechanism for driving the vibration source to apply vibration to the horn repeats the processing. For this reason, the rectal pressure that fluctuates during the excretion treatment process is automatically adjusted to an appropriate range, and the defecation process can proceed safely and smoothly.

However, in this mechanism, the suction pump is stopped at the stage when the irrigation pump and the vibration drive unit are operated, so that the feces attracted by the suction means are re-entered by the enema fluid ejected from the insertion tool and the rectilinear energy of the horn. There was a problem in that a movement phenomenon occurred away from the distal end of the insertion tool to the back of the rectum, and the feces crushing effect was incomplete.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. The suction means is always operated at least after the operation stage after starting the vibration drive, and the suction means is operated in accordance with the rectal pressure fluctuating in this state. An object of the present invention is to provide a stool processing device that can safely and efficiently crush and remove stool by a mechanism for operating and stopping an irrigating means and a vibration driving unit.

[0008]

According to the present invention, there is provided a defecation treating apparatus according to the present invention, which comprises inserting an insertion tool having a horn for generating mechanical vibration into the rectum from the anus and irrigating the enema. And a pressure sensor for detecting internal pressures on an irrigation side and a suction side while operating an irrigation pump and a suction pump in a device for discharging and removing feces through suction means for crushed feces, and the pressure sensor. The operation of the irrigation pump or / and the vibration driving unit is stopped when the internal pressure obtained by the signal from the high pressure reaches the high pressure upper limit set value, and the irrigation pump or / and / or the vibration is again activated when the internal pressure falls to the high pressure lower limit set value. Between the control unit with a control mechanism that operates the drive unit and the insertion tool and the suction pump Is installed in the suction tube, pressure is characterized in the configuration that a safety valve mechanism for opening operation when it reaches the lower pressure limit set value.

[0009]

[0010]

According to the device of the present invention, the pressure sensor installed in the system captures the state of the internal pressure on the irrigation side and the suction side, and transmits the signal to the control unit. During operation,
The suction pump, which is a suction means, is always operating at least except for the initial stage before starting the vibration drive, and works to suck and remove the crushed feces inside the rectum and sequentially draw new solid feces to the anal side. Run.
When the irrigation amount exceeds the suction amount and exceeds a predetermined high pressure upper limit set value and the rectum becomes over-pressured, the control unit operates and automatically activates the vibration drive unit serving as an irrigation pump or / and crushing means. To stop,
Prevent heat generation due to vibration. When the internal pressure of the rectum decreases to a predetermined high pressure lower limit set value by the operation of the suction pump, the irrigation pump and / or the vibration drive unit are automatically activated. On the other hand, when the suction amount is larger than the irrigation amount and the degree of negative pressure of the suction pipe reaches a certain low pressure lower limit set value, the safety valve is opened and the negative pressure does not become lower than the low pressure lower limit set value. Even if the set amount of the irrigation amount is not balanced, the operation can be performed within an appropriate pressure range.

Further, according to the stool processing method of the present invention using the above-mentioned apparatus, the stool can be swollen with water and floated by irrigating for a certain period of time to be operated before starting the crushing means. The internal pressure can be controlled between the high pressure upper limit set value and the low pressure lower limit set value by the cycle of switching of the vibration drive, irrigation, and suction to be repeated.

By such an action, the rectal pressure fluctuating during the excretion treatment process is automatically adjusted to an appropriate range, and the stool inside the rectum is drawn to the vicinity of the crushing means by the continuous operation of the suction means, and is effectively crushed and removed. Therefore, a complete defecation removal process can be performed within a short time.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the overall configuration diagram shown in FIG. The insertion tool 1 to be inserted into the anus has a built-in horn 2 serving as a vibration source inside,
Typically, the structure shown in FIG. 1 of JP-A-5-309133 is used.

In FIG. 1, the route indicated by the solid line indicates the piping lines on the irrigation side and the suction side. The piping line on the irrigation side is connected to the irrigation nipple of the insertion tool 1 via the intestinal fluid container 3, the irrigation pump 4, and the irrigation chamber 6 by the irrigation pipe 5. The suction-side piping line is connected to the storage container 11 via the pressure measuring port 8 and the suction pump 10 from the insertion tool 1 via the suction pipe 7.
to go into. The intestinal juice container 3 is a tank for storing the intestinal juice, but it is also possible to reduce the irritation to the intestine by heating the intestinal juice in advance with a preheater (not shown) or the like. Intestinal fluid does not need to be sterilized, and tap water can be used.

A safety valve 9 is interposed in the suction pipe 7 between the insertion tool 1 and the suction pump 10 so that crushed feces in the rectum disappear or a certain phenomenon occurs such as suction of the intestinal wall. When the negative pressure degree is reached, the opening operation is performed,
Prevent intestinal damage due to excessive aspiration. The strength of the suction
Although the control is performed by the rotation speed of the suction pump 10, if the safety valve 9 is opened, excessive suction does not occur even if the suction pump 10 rotates at a high speed. As the safety valve 9, a check valve having a mechanism in which the valve is closed by a spring force until a certain low pressure lower limit set value is reached, and when the low pressure lower limit set value is reached is overcome by the spring force and the valve is opened. Is preferred.

In FIG. 1, a route indicated by a broken line is a sensing line, and a route indicated by a chain line is a control signal line. The irrigation chamber 6 and the pressure measurement port 8 are connected to a pressure sensor 13, and a signal captured by the pressure sensor 13 is transmitted to a control unit 14.
Normally, the control unit 14 stops the operation of the irrigation 4 and / or the vibration drive unit 12 by a signal of the pressure sensor 13 when the irrigation amount exceeds the suction amount, and reduces the pressure to a predetermined pressure by the suction pump 10 which is always operated. At this point, the control mechanism is designed to operate the irrigation pump 4 and / or the vibration drive unit 12 again.

When ultrasonic waves are used as the crushing means of the insert 1, irrigation is required also for the purpose of suppressing heat generation of the horn 2 due to the vibration. Therefore, the control unit 14 simultaneously operates the irrigation pump 4 and the drive unit 12. And a mechanism that causes The pressure sensor 13 is -760-7
It is sufficient that the pressure can be measured in the range of 60 mmHg, and the type may be a gauge type or a differential pressure type, but it is preferable to use a differential pressure type capable of measuring both positive and negative pressures based on the atmospheric pressure. It is suitable.

The materials of the irrigation pipe 5, the suction pipe 7, the sensing line (pipe) indicated by a broken line, and the like constituting the pipe line are desirably made of soft polyvinyl chloride or silicone resin. The material of the irrigation chamber 6 and the pressure measurement port 8 is not particularly limited as long as it is a transparent resin whose contents can be observed.

In the defecation process, the distal end of the insertion tool 1 is inserted into the rectum from the anus. Enema fluid is supplied to the irrigation tube 5 by the irrigation pump 4, and is injected into the rectum from the distal end of the insertion tool 1 through the irrigation chamber 6. The suction pump 10 is operated, and at the same time, the vibration drive unit 12 is operated to apply crushing vibration to the insert 1. The pressure sensor 13 detects the internal pressure of the rectum as a signal from the irrigation chamber 6 or the pressure measurement port 8 while the vibration drive unit 12, the irrigation pump 4, and the suction pump 10 are operating.
When the detected pressure exceeds a predetermined high pressure upper limit set value, the irrigation pump 4 and / or the vibration drive unit 12 are stopped by a control signal from the control unit 14, and the internal pressure due to the suction of the suction pump 10 which is always operated is stopped. Wait for the drop. When the rectal pressure decreases and reaches the high pressure lower limit setting value, the operation of the irrigation pump 4 and / or the vibration drive unit 12 is restarted by a signal from the control unit 14. When the suction is strong and the suction negative pressure degree reaches a certain low pressure lower limit set value, the safety valve 9 automatically opens to return the pressure to the normal lower limit value.

In the above-mentioned defecation processing operation, before the operation of the vibration drive unit 12 is started, the internal pressure reaches a high pressure upper limit set value in order to swell and float feces with moisture, or within a predetermined period of time. A state in which the operation for operating only the irrigation pump 4 is inserted, and then the vibration drive unit 12, the irrigation pump 4, and the suction pump 10 are operated for a predetermined period separately set,
Alternatively, it is a preferable processing method to repeat the operation in which only the suction pump 10 is operated and the internal pressure is constantly maintained within the range between the high pressure upper limit set value and the low pressure lower limit set value. Therefore, the suction pump 10 always operates to draw feces in the rectum to the anal side after the operation of the vibration drive unit 12, and the irrigation pump 4 always operates to prevent heat generation when the vibration drive unit 12 operates. State.

This stool processing method can be operated as follows. First, a period is determined before the vibration drive unit 12 starts operating, and only the irrigation pump 4 is operated. Then, the operation period of the vibration drive unit 12 is fixed, and the irrigation pump 4 and the suction pump 10 are simultaneously operated. Then, during the operation period of only the irrigation pump 4, when the internal pressure reaches the high pressure upper limit set value, the operation is switched to the operation of only the suction pump 10, and at the same time, the operation period of the vibration drive unit 12 is started. During the operation period, the internal pressure is always maintained between the high pressure upper limit setting value and the high pressure lower limit setting value even when the irrigation is stronger than the suction by vibrating drive (including operation of the irrigation pump and suction pump) and switching operation of only the suction pump I do. Therefore, for example, after performing the irrigation step for 5 seconds,
A cycle is set such that a simultaneous operation of vibration drive and suction is performed for 15 seconds, and the operation is continued while repeating each operation. Further, when the suction becomes stronger than the irrigation and the internal pressure reaches the low pressure lower limit setting value, the safety valve 9 automatically opens to prevent the pressure from lowering below this value.

FIG. 2 is a graph schematically showing a change in intestinal pressure when such an operation is repeatedly performed under the condition that irrigation is stronger than suction. That is, when the irrigation is stronger than the suction and the intestinal internal pressure increases, the irrigation and the vibration drive are temporarily stopped at the time when the high pressure upper limit is set (a). When the intestinal pressure decreases due to the effect of the suction and decreases to the high-pressure lower limit set value (b), the irrigation and the vibration drive are resumed. When the high pressure upper limit set value is reached during the irrigation when the irrigation step is combined (c), the adjustment is performed by shifting to the operation of the irrigation, vibration drive, and suction even within the set time of the irrigation step. By such an internal pressure adjusting mechanism, the pressure is controlled within a predetermined pressure range while repeating the vertical movement as shown by the graph line.

FIG. 3 is a graph schematically showing a change in intestinal pressure when the above-described operation is repeatedly performed under a condition where suction is stronger than irrigation. In this case, the intestinal pressure tends to decrease during irrigation, vibration drive, and suction operation, and becomes negative pressure.
When the degree of negative pressure reaches the low pressure lower limit set value, the safety valve 9
Is opened and adjusted so as not to cause excessive negative pressure (d).

[0024]

As described above, by using the defecation treatment apparatus according to the present invention, the fecal matter is drawn to the vicinity of the crushing means and effectively crushed while maintaining the rectal pressure in the treatment within an appropriate range. It becomes possible to remove by suction. Therefore, the crushing efficiency is improved as compared with the related art, and complete defecation processing can be completed within a short processing time, which is extremely useful in the medical industry.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram showing a defecation processing apparatus according to the present invention.

FIG. 2 is a graph schematically showing a change in intestinal pressure when an operation is performed under a condition where suction is weak.

FIG. 3 is a graph schematically showing a change in intestinal pressure when an operation is performed under a strong suction condition.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insertion tool 2 Horn 3 Enema fluid container 4 Irrigation pump 5 Irrigation tube 6 Irrigation chamber 7 Suction tube 8 Pressure measurement port 9 Safety valve 10 Suction pump 11 Storage container 12 Vibration drive unit 13 Pressure sensor 14 Control unit

Claims (1)

(57) [Claims] A device for inserting an insertion tool having a horn that generates mechanical vibration into the rectum from the anus into the rectum, and discharging and removing feces through the irrigation means for enema fluid and the suction means for crushed feces, A pressure sensor for detecting the internal pressure on the irrigation side and the suction side while the irrigation pump and the suction pump are operated, and an irrigation pump when the internal pressure obtained by a signal from the pressure sensor reaches a high pressure upper limit set value. And / or stopping the operation of the vibration drive unit, and a control unit having a control mechanism for operating the irrigation pump or / and the vibration drive unit again when the internal pressure falls to the high pressure lower limit set value; It is installed in the suction pipe between and opens when the internal pressure reaches the low pressure lower limit set value. A defecation treatment device, comprising: a safety valve having a mechanism of: