JP2000325483A - Rectum insertion apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the injury of anus and rectum by an apparatus section at the tip end when being inserted in anus, and make the insertion safer, and also, improve the scraping-in effect on defecation and safety in a rectum inser tion apparatus wherein an apparatus for defecation and an examination is exposed at the tip end opening section of a cylindrical body which is inserted in rectum. SOLUTION: To the tip end opening of a cylindrical body 1, a flower petal- form protective body 3 is openably/closably attached, and in the protective body 3, a dish-form rotary scraping-in body 2a which scrapes in stool in the intestine and feeds it into the cylindrical body 1, is rotatably provided, and a plurality of scraping-in claws 2b and a hole 2c are provided on the bottom surface of the rotary scraping-in body 2a, and also, the rotating shaft 2d of the rotary scraping-in body 2a is rotated by a low speed rotation small motor 2e which is provided on the closer side to the base end side than a bellows section 1a of the cylindrical body 1. Also, the internal passage of the cylindrical body 1 is connected to a tube 5, and is connected to an excrement container 9 and a hot water tank 8 through a pump 6 and a switch 5a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a defecation device for eliminating clogging of feces in the intestine and elimination of feces, a rectal catheter for injecting and discharging a contrast medium for intestinal examination, and a method for intestinal surgery. The present invention relates to a technique of a rectal catheter / instrument inserted from an anus, such as a surgical apparatus or another intestinal examination apparatus.

[0002]

2. Description of the Related Art Conventionally, a rectal catheter has been widely used as a device for injecting and discharging a contrast agent into the rectum. The present inventor has also developed a defecation device in which an intestinal stool scraping mechanism is provided so as to be exposed at the distal end portion of the rectal catheter, and a protective body is provided on the outer periphery so that the scraping mechanism does not directly contact the intestinal wall. The former former rectal catheter has a structure in which the tip is rounded with silicone rubber and only a part of the tip is opened, so that it is unlikely to be injured in contact with the intestinal wall / anus by insertion from the anus. Was. The latter defecation device has a large opening at the distal end of a rectal catheter or a tubular body, and a stool scraping mechanism is installed so as to be exposed at the distal opening, and the protective body is placed outside so that it does not directly contact the intestinal wall. It is attached to open and close freely. However, when inserting from the anus, the protector is closed, but the tip of the protector may be injured by contact with the anus.

[0003]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned conventional problems, and enables the insertion of a rectal insertion tool having a mechanism and a device for examination and treatment of the intestine exposed at the distal end into a human body. An object of the present invention is to provide a rectal insertion working tool which can be smoothly operated without being damaged. A second object of the present invention is to provide a mechanism for easily opening and closing the protective body for protecting the distal end mechanism and device in the intestine and for effectively scraping.

[0004]

Means for Solving the Problems The constitution of the present invention which has solved the above problems is as follows: 1) A rectum insertion operation in which an instrument part used in the rectum is exposed at a distal end of a tubular body inserted from an anus. In the device, the outer periphery of the exposed part of the device is covered with a water-soluble or easily soluble in intestinal fluid so as to be rounded, and the rounded coating does not damage the intestinal wall / anus. Rectal insertion tool 2) A petal-shaped protection body is attached to the tip of the tubular body so as to be openable and closable, and an instrument used in the rectum is provided at a position inside the protection body at the tip of the tubular body. The rectal insertion operation according to 1) above, wherein the outer periphery of the protector and the opening at the tip of the closed protector are rounded with a material that is soluble in water-soluble or intestinal fluid with the protector closed. 3) The device is a scraped body that scrapes intestinal material into the cylindrical body. The rotary shaft is provided in the center of the scraping member, the so as to rotate the motor by stretching the rotary shaft to the proximal end of the tubular body, and connected to the cylindrical body suction type discharge device 1)
Or the rectal insertion tool described in 2) 4) The base end of the tubular body becomes bellows-like so that it can expand and contract, and a considerable part of the protective body is hard, and the rotating shaft is directed toward the base end of the tubular body. The rectal insertion tool according to the above 3), wherein the scraped body comes into contact with the inner surface of the protective body by pulling to open the protective body. 5) The rectal insertion tool in which a balloon is attached to the distal end of the tubular body.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The tubular body of the present invention is made of a flexible material such as silicone rubber or rubber similar to the tubular catheter body of a conventional rectal catheter. It is practical to attach a balloon between them in a watertight manner. In addition, it is safe to use the same starch-based material as the material of the oblate as the material of the covering part that covers the outer periphery of the device part of the tubular body, and its dissolution / decomposition can be carried out from the intestinal fluid or the tubular body. Easy to squirt warm water. The protective body of the present invention is preferably openable and closable like a petal, and is formed in a petal shape so that a plurality of hard plates are sealed with a soft film, and the base end or the middle of the protective body is attached to a cylindrical body, and the protective body is protected. It is practical to provide a means for opening and closing the device. The inside of the tubular body of the present invention is formed as a hollow passage to the distal end so that intestinal substances can be discharged, or hot water, medicine, inspection of optical fiber, etc., and a work implement member can be passed therethrough. preferable.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. This embodiment is an example of a defecation device in which a stool clogged in the intestine is taken into a cylindrical body by a scraping mechanism at the tip, and a passage in the cylindrical body is connected to a suction-type discharge device. FIG. 1 is an explanatory diagram of the embodiment. FIG. 2 is a vertical cross-sectional view showing a distal end portion of the embodiment at the time of insertion. FIG. 3 is a vertical cross-sectional view showing a tip portion of the working state of the embodiment. FIG. 4 is a longitudinal sectional view showing a rear end portion of the embodiment. FIG. 5 is an enlarged front view showing the scraped body of the example. FIG. 6 is a circumferentially developed longitudinal view showing the shape of the scraping claw of the scraping body of the example. FIG. 7 is an enlarged front view of the protection body of the embodiment in an open state. FIG. 8 is a perspective view showing the protection body of the embodiment. FIG. 9 is a sectional view taken along the line AA in FIG.
It is sectional drawing. FIG. 10 is a cross-sectional view of the protection body of the example. In the figure, 1 is a cylindrical body made of silicon rubber, 1a is a bellows portion at the base end of the cylindrical body, 1b is a distal opening, 1c is an internal passage of the cylindrical body 1, 1d is two annular balloons, 1e is A tube for injecting air into the balloon, a scraping mechanism 2 for scraping stool from the intestine into the cylindrical body 1, 2a a rotary scraping body in the shape of a dish, 2b
Is a triangular protruding claw protruding from the bottom surface of the rotary raking body, 2c is a hole near the raking claw, 2d is a rotation axis of the rotary raking body 2a, and 2e is rotated about the same rotation axis. 2f is an upper bearing of the rotating shaft 2d, 2f
g is an opening of the upper bearing, 2h is a slidable lower bearing of a rotating shaft 2d fixed to the lower part of the cylindrical body 1, 2i is an opening provided in the lower bearing, 2j is an upper bearing 2f and a lower bearing 2
h, a connecting rod, 3 is a protective body, 3a is a triangular hard plate of the protective body 3, 3b is a film for tightly sealing the hard plate from above and below, and 3c is a film lower end of the protective body 3. A connecting portion to which the upper bearing 2f is fixed, 3d is an opening provided in the protective body 3, 3e is a binding ring, and 4 is a coating made of starch, and is rounded so as to cover the tip and side surfaces of the closed protective body 3. Attached in a certain shape. 5 is a tube connected to the internal passage 1c of the cylindrical body 1, 5a is a switching device, 6 is a pump for performing suction type discharge and hot water pressure feeding, 7 is a hot water injection passage, 8
Is a hot water tank for storing hot water, and 9 is an excrement container.
In this embodiment, when inserting the defecation device of the present embodiment from the anus K, as shown in FIG. 2, the protective body is closed, and the distal end of the closed protective body 3 and the outer peripheral surface of the distal end are wrapped with a starchy oblate material. It is covered round. When inserted from the anus K in this state, the rounded covering portion 4 comes into contact with the anus K, and can be inserted without damaging the anus K and the inner wall of the rectum with the tip of the protective body 3. After the insertion, air is sent to the air injection pipe 1e to inflate the balloon 1d, and the tubular body 1 is fixed to the anus K in a watertight manner. Thereafter, the switch 5a is connected to the hot water side, the squeeze type pump 6 is operated, and the hot water in the hot water tank 8 is supplied with the hot water injection path 7, the tube 5, the opening 2i, and the internal passage 1 of the cylindrical body 1.
(c) It is sent into the protective body 3 through the opening 2g of the upper bearing 2f, and the coating 4 is dissolved in warm water and intestinal fluid. In addition, the coating portion 4 which is about to be dissolved by the injection pressure of the hot water is removed, and the tip of the protective body 3 is opened. After the base end of the cylindrical body 1 is opened and the low-speed rotating small motor 2e is grasped and pulled leftward in FIGS. 1 and 2, the distal end of the cylindrical body 1 is fixed by the balloon 1d. The base end of the cylindrical body 1 and the small-speed rotating small motor 2
e and the rotating shaft 2d attached thereto extend the bellows portion 1a and move to the left. The rotary scraping body 2a attached to the tip of the rotating shaft 2d also moves leftward in the protective body 3. The inner surface of the protective body 3 having a shape reduced in diameter to the left by the leftward movement of the rotary raking body 2a contacts the outer periphery of the rotary raking body 2a, and the leftward movement causes the protective body 3 to tilt outward. Open like a trumpet. The protection body 3 is opened in a trumpet shape, the switching unit 5a is set to the excretion side, and the pump 6 is rotated in the direction of rotation of the suction and discharge to make the inside of the tubular body 1 and the protection body 3 a negative pressure to suck intestinal substances. To discharge. In addition, the low-speed rotation small motor 2e is operated to rotate the scraping body 2a at a low speed by the rotation of the rotating shaft 2d, thereby removing the intestinal substance from the scraping claw 2a.
b) and is taken into the cylindrical body 1 through the hole 2c. The protective body 3 has an opening 3d, and a part of the intestinal substance enters and exits from the opening to allow suction from the outer periphery of the side surface of the protective body 3. The intestinal matter taken into the cylindrical body 1 from the rotary scraping body 2a is passed through the opening 2g of the upper bearing 2f, the internal passage 1c, the opening 2i of the lower bearing 2h, and the tube 5, and the excrement container 9
Moved to and contained. When the rectal insertion tool of this embodiment is withdrawn from the anus, the air of the balloon 1d is evacuated and deflated, and the proximal end of the tubular body 1 is pushed toward the anus K to move the rotary scraping body 2a toward the back. When the tubular body 1 is pulled out from the anus K after being moved, the protective body 3 is contracted and brought into the state shown in FIG.

[0007]

As described above, according to the present invention, the covering portion that dissolves in water or intestinal fluid or the like is covered with a part of the device at the tip of the tubular body, so that the sheath can be inserted from the anus. Can be inserted safely without damaging the anus and rectum. Further, if the protective body can be opened in the rectum, the intestinal substance can be efficiently sucked and scraped.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of an embodiment.

FIG. 2 is a longitudinal sectional view showing a distal end portion of the embodiment at the time of insertion.

FIG. 3 is a longitudinal sectional view showing a distal end portion of the embodiment in use.

FIG. 4 is a longitudinal sectional view showing a rear end portion of the embodiment.

FIG. 5 is an enlarged front view showing the scraped body of the embodiment.

FIG. 6 is a circumferentially developed longitudinal view showing the shape of a scraping claw of the scraping body of the embodiment.

FIG. 7 is an enlarged front view of the protection body of the embodiment in an open state.

FIG. 8 is a perspective view showing a protection body of the embodiment.

FIG. 9 is a sectional view taken along line AA of FIG. 7;

FIG. 10 is a cross-sectional view of the protection body of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylindrical body 1a Bellows part 1b Tip opening 1c Internal passage 1d Balloon 1e Air injection pipe 2 Scraping mechanism 2a Rotary squeezing body 2b Scraping claw 2c Hole 2d Rotary shaft 2e Low-speed small rotating motor 2f Upper bearing 2g Opening 2h Lower bearing 2i Opening 2j Connecting rod 3 Protector 3a Hard plate 3b Film 3c Connecting part 3d Opening 3e Binding ring 4 Covering part 5 Tube 5a Switching device 6 Pump 7 Hot water injection path 8 Hot water tank 9 Excrement container

Claims (5)

[Claims] 1. A tip of a tubular body inserted from an anus,
In a rectal insertion working tool that exposes an instrument part used in the rectum, the outer periphery of the exposed instrument part at the tip is covered with a water-soluble or easily soluble in intestinal fluid so as to be rounded, A rectal insertion tool characterized in that a rounded coating does not damage the intestinal wall and anus. 2. A petal-shaped protector is attached to the tip of the tubular body so as to be openable and closable, an instrument used in the rectum is provided at a position inside the protector at the tip of the tubular body, and the protector is closed. 2. The rectal insertion tool according to claim 1, wherein the outer periphery of the protective body and the opening at the distal end of the closed protective body are rounded with a material that is soluble in water or easily dissolved in intestinal fluid. 3. A device in which the device is a scraping body for scraping an intestinal substance into a tubular body, a rotating shaft is provided at the center of the scraping body, and the rotating shaft is extended to a base end of the tubular body. The rectal insertion working tool according to claim 1 or 2, wherein the rectal insertion working tool is rotated so that the inside of the tubular body is connected to a suction type discharging device. 4. The tubular body has a bellows-like bellows-like shape and can be freely extended and contracted, and a considerable part of the protective body is hard, and the rotating shaft is pulled toward the proximal end of the tubular body. 4. The rectal insertion working tool according to claim 3, wherein the opening contacts the inner surface of the protective body to open the protective body. 5. A rectal insertion tool in which a balloon is attached to the distal end of a tubular body.