JPH10211160A - Colon endoscope insertion training device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To experience the insertion training of a colon endoscope by the form of the colon of various patients and to improve the insertion technique by providing a means for charging the form of a large intestine model and reproducing the plural kinds of the states of the patients. SOLUTION: The rectum part 4 of the colon model 3 is fixed on a rectropexy plate 15 and a descending colon part 6 and a splenic flexure part 7 are fixed on a planar position adjustment plate 16. Also, a liver flexure part 9, an ascending colon part 10 and a cecum part 11 are fixed on the planar position adjustment plate 18. At the right end part of an attaching plate 2, plural screw holes 19a for adjusting the attaching position of the position adjustment plate 16 in a vertical direction and the plural screw holes 19 for adjusting it in a horizontal direction are arranged side by side. Also, at a left end part, the plural screw holes 19c for adjusting the attaching position of the position adjustment plate 18 in the vertical direction and the plural screw holes 19d for adjusting it in the horizontal direction are arranged side by side. That is, since the attaching positions of the position adjustment plates 16 and 18 are made adjustable, the form of the colon model 3 is arbitrarily changed so as to reproduce the state of the colon of a desired patient.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a colonoscope insertion training device for learning the technique of inserting an endoscope into the large intestine of a human body.

[0002]

2. Description of the Related Art In general, the large intestine in the human body has a more complicated shape than other organs capable of performing an endoscopy. Therefore, advanced techniques are required for inserting an endoscope into the large intestine. Required. Therefore, in order to master the colonoscope insertion technique, a colonoscopy insertion training device having a human colon model (colon model) into which the endoscope can be inserted has been developed. .

For example, Japanese Utility Model Publication No. Sho 60-32695 discloses a large intestine model into which an endoscope can be inserted, which is detachably attached to a mounting plate. Is shown which can be easily performed.

[0004]

In the above-mentioned conventional colonoscope insertion training apparatus, the same colon model in a standard form is always mounted on the mounting plate. For this reason, there is a problem that the conventional colonoscope insertion training device can only experience the colonoscope insertion training using the standard type colon model.

However, in general, the shape of the large intestine in the human body, for example, the shape, size, hardness, adhesion state of the large intestine, and the state of the folds on the inner wall of the large intestine vary from patient to patient. The morphology of the large intestine in the human body when the colonoscope is actually inserted is often different from the large intestine model practiced by the colonoscope insertion training apparatus. For this reason, the conventional colonoscopy insertion training device cannot cope with individual differences among patients, and it is difficult to experience the colonoscopy insertion training to the extent that it can cope with various patients' colon configurations. There's a problem.

[0006] Since the improvement of the colonoscope insertion technique is closely related to how various types of patients' colons can be coped with, the colonoscope which can reproduce the colons of various patients can be reproduced. There is a demand for practical use of an insertion practice device.

The present invention has been made in view of the above circumstances, and its purpose is to reproduce the morphology of the colon of various patients,
It is possible to experience colonoscopy insertion practice in the form of colons of various patients according to the individual differences of patients, and colonoscopy insertion that is effective in improving colonoscopy insertion technology To provide a training device.

[0008]

According to the present invention, a large intestine model into which an endoscope can be inserted is provided on a mounting plate, and the endoscope is inserted into a lumen of the large intestine model to insert the endoscope. A colonoscopy insertion training device for training, wherein a means for changing the form of the colon model and reproducing the state of the colon of a plurality of patients is provided. . Then, the form of the large intestine is changed by the large intestine model form changing means to reproduce the state of the large intestine of a plurality of types of patients.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. 1 and 2A to 2C.
FIG. 1 shows a schematic configuration of the entire colonoscope insertion practice apparatus 1 of the present embodiment.

A colonoscope insertion training apparatus 1 according to the present embodiment.
As shown in FIG. 1, a mounting plate 2 and a large intestine model 3 mounted on the mounting plate 2 are provided. The large intestine model 3 is formed in the same manner as a real product by a stretchable and airtight elastic film made of, for example, rubber or resin material.

That is, the large intestine model 3 includes a rectum part 4, an S-shaped colon part 5, a descending colon part 6, a spleen bend part 7, a transverse colon part 8, a liver bend part 9, an ascending colon part 10, and a cecum part 11. They are formed sequentially. The appendix 12 and the terminal ileum 13 protrude from the cecum 11. Further, an anus 14 is formed at the lower end of the rectum 4.

The rectal part 4 of the large intestine model 3 is fixed on a rectal fixing plate 15. The rectal fixation plate 15 is fixed to one end of the mounting plate 2, that is, to the center of the lower end of the mounting plate 2 in FIG. 1.

Further, the descending colon 6 and the spleen bend 7 of the large intestine model 3 are fixed on a flat first position adjusting plate 16. Screw insertion holes are formed at both upper and lower ends of the first position adjustment plate 16, and fixing screws 17 are inserted into the screw insertion holes.

The hepatic flexure 9, the ascending colon 10 and the cecum 11 of the large intestine model 3 have a flat second position adjusting plate 18.
Fixed on top. Screw insertion holes are formed at both upper and lower ends of the second position adjustment plate 18 similarly to the first position adjustment plate 16, and fixing screws 17 are inserted into the screw insertion holes, respectively.

Further, a plurality of screw holes 19a for vertically adjusting the mounting position of the first position adjusting plate 16 in FIG. 1 are provided at the right end of the mounting plate 2 in FIG. I have. The upper and lower fixing screws 17 of the first position adjusting plate 16 are selectively and appropriately screwed into these screw holes 19a.
The mounting position of the first position adjustment plate 16 with respect to the vertical direction in FIG. 1 can be adjusted.

A plurality of screw holes 19b for adjusting the mounting position of the first position adjusting plate 16 in the left-right direction in FIG. I have. Here, the space between the rows of the upper and lower two screw holes 19 b is set to be equal to the space between the screw insertion holes of the upper and lower fixing screws 17 of the first position adjustment plate 16. The upper and lower fixing screws 17 of the first position adjusting plate 16 are selectively and appropriately screwed into these screw holes 19b, and the mounting position of the first position adjusting plate 16 with respect to the mounting plate 2 is shown in FIG. It can be adjusted left and right.

Further, a plurality of screws for adjusting the mounting position of the second position adjusting plate 18 in the vertical direction in FIG. 1 similarly to the first position adjusting plate 16 are provided at the left end of the mounting plate 2 in FIG. Hole 1
9c are juxtaposed in the vertical direction, and a plurality of screw holes 19d for adjusting the mounting position of the second position adjusting plate 18 in the horizontal direction in FIG. Have been. The upper and lower fixing screws 17 of the second position adjusting plate 18 are selectively screwed into the screw holes 19c at any positions as appropriate, so that the mounting position of the second position adjusting plate 18 with respect to the mounting plate 2 is adjusted. Can be adjusted in the vertical direction in FIG. Here, the second position adjustment plate 1
The upper and lower fixing screws 17 are screw holes 19 at any position.
By being selectively and appropriately screwed to d, the mounting position of the second position adjusting plate 18 with respect to the mounting plate 2 can be adjusted in the left-right direction in FIG.

Therefore, in the colonoscope insertion practice apparatus 1 of the present embodiment, the mounting position of the first position adjusting plate 16 is adjusted in the vertical direction or the horizontal direction in FIG. By adjusting the mounting position of the position adjusting plate 18 in the vertical direction or the horizontal direction in FIG. 1, the shape of the large intestine model 3 can be changed to an arbitrary shape,
Thus, a large intestine model form changing means 20 for reproducing the state of the large intestine of a plurality of patients is formed.

A small intestine dummy 21 serving as a cushion corresponding to the small intestine of the human body and an S-shaped colon regulating body 22 corresponding to the mesentery for regulating the movement of the S-shaped colon 5 are provided on the mounting plate 2.
And a transverse colon regulating body 23 corresponding to the mesentery that regulates the movement of the transverse colon 8. Here, the small intestine dummy 21 is formed of a stretchable elastic body such as rubber or a resin material. Furthermore, S-shaped colon regulator 2
2 includes a holding member 24 fixed on the mounting plate 2, one end of which is fixed to the holding member 24, and the other end of which is an S-shaped colon 5.
And a film body 25 fixed to the base member. Similarly, the transverse colon regulating body 23 includes a holding member 26 fixed on the mounting plate 2, a membrane 27 having one end fixed to the holding member 26 and the other end fixed to the transverse colon 8. Is provided.

In FIG. 1, reference numeral 28 denotes an endoscope for the large intestine used for insertion practice of the colon endoscope insertion practice apparatus 1 of the present embodiment. The endoscope 28 is provided with an elongated insertion section 29 to be inserted into the body, and an operation section 30 on the hand side connected to a base end of the insertion section 29. Further, the insertion portion 29 of the endoscope 28 has an elongated flexible tube portion 29a, a distal end rigid portion 29b disposed at the forefront of the insertion portion 29, and a distal end rigid portion 29b and a flexible tube portion 29b.
and a bending portion 29c disposed between the first and second bending portions 29a. Here, the bending portion 29c of the insertion portion 29 is bent by, for example, four directions of up, down, left, and right by the operation portion 30, so that the direction of the distal end rigid portion 29b can be changed. The insertion operation of the insertion section 29 of the endoscope 28 and the bending operation of the bending section 29c allow the insertion section 29 of the endoscope 28 to be inserted into the lumen of the colon model 3 of the insertion training device 1 as described later. Is to be inserted into.

Further, one end of a universal cord 31 is connected to the operation unit 30. At the other end of the universal cord 31, a connector 33 connected to the light source device 32 is provided. Further, one end of a connection cord 34 is connected to the connector 33. The other end of the connection cord 34 is connected to a video processor 36 via a second connector 35. This video processor 3
6 is connected to a TV monitor 37.

When the endoscope 28 is used, the illumination light emitted from the light source device 32 is guided to the distal end of the insertion section 29 of the endoscope 28 through a light guide fiber (not shown), and the distal end of the insertion section 29 is hardened. The light is radiated to the outside from the illumination window of the portion 29b. Further, an observation image of the endoscope 28 incident from an observation window of the distal end rigid portion 29b of the insertion portion 29 is converted into an electric signal by a solid-state imaging device such as a CCD incorporated in the distal end rigid portion 29b, and is converted to a video processor 36. After being supplied, the output signal from the video processor 36 is input to the TV monitor 37 and displayed on the TV monitor 37.

Next, the operation of the above configuration will be described.
When using the colonoscope insertion practice apparatus 1 of the present embodiment, the colon model 3
Is changed to a desired form to reproduce the desired colon condition of the patient. At this time, the first
Mounting position of the second position adjusting plate 1
8 are adjusted to desired positions.

For example, when the mounting position of the first position adjusting plate 16 and the mounting position of the second position adjusting plate 18 are respectively set to the reference positions shown in FIG. 3 reproduces a standard human colon morphology as shown in FIG. 2 (A).

Further, as shown in FIG. 2B, the distance between the position where the first position adjusting plate 16 is mounted and the position where the second position adjusting plate 18 is mounted is smaller than the reference position shown in FIG. If set to be large intestine model 3 on mounting plate 2
The shape of the large intestine of a human body that is thinner than a standard human body is reproduced.

Further, as shown in FIG. 2C, the position of the second position adjusting plate 1 is compared with the position where the first position adjusting plate 16 is mounted.
When the attachment position of 8 is set to be higher, the form of the large intestine in which the liver bend 9 is higher than the spleen 7 in the large intestine model 3 on the attachment plate 2 is reproduced.

Further, after changing the large intestine model 3 of the large intestine endoscope insertion training device 1 to a desired form to reproduce the state of the large intestine of the desired patient, the endoscope 28 is moved from the anus 14 of the large intestine model 3 to the endoscope 28. The insertion practice is performed by inserting the insertion section 29 into the lumen of the large intestine model 3. At this time, the insertion portion 29 of the endoscope 28
The operation of inserting the insertion section 29 of the endoscope 28 into the lumen of the large intestine model 3 is performed by a combination of the insertion operation of the bending section 29c and the bending operation of the bending section 29c.

Therefore, the present embodiment having the above configuration has the following effects. That is, in this embodiment, a plurality of screw holes 19a for vertically adjusting the mounting position of the first position adjusting plate 16 on the mounting plate 2 and the mounting position of the first position adjusting plate 16 are shown in FIG. 1 and a plurality of screw holes 19b for adjusting the mounting position of the second position adjusting plate 18 in the vertical direction in FIG. Up and down 2 for adjusting the mounting position of the second position adjusting plate 18 in the horizontal direction in FIG.
A plurality of screw holes 19d are provided, and the first and second fixing screws 17 of the first position adjusting plate 16 and the upper and lower fixing screws 17 of the second position adjusting plate Since the mounting position of the position adjusting plate 16 and the mounting position of the second position adjusting plate 18 can be respectively adjusted to desired positions, the form of the large intestine model 3 can reproduce the state of the large intestine of a desired patient. Can be arbitrarily changed. For this reason, the large intestine morphology of various patients can be reproduced in the large intestine model 3 on the mounting plate 2 of the single colonic endoscope insertion training device 1, so that various types of patients can be reproduced in accordance with individual differences of patients. You can experience colonoscopy insertion practice in the form of a large intestine,
It is effective in improving the insertion technique of the colonoscope.

FIGS. 3A to 3G show the second embodiment of the present invention.
1 shows an embodiment of the present invention. FIG. 3A shows a schematic configuration of the entire colonoscope insertion training device 41 of the present embodiment.

The colonoscope insertion training apparatus 4 of the present embodiment.
As shown in FIG. 3 (A), a mounting plate 42 and a large intestine model 43 mounted on the mounting plate 42 are provided. Like the large intestine model 3 of the first embodiment (see FIGS. 1 and 2A to 2C), the large intestine model 43 includes a rectum 44, an S-shaped colon 45, a descending colon 46, and a spleen. Bending part 47, transverse colon part 48, liver bending part 49, ascending colon part 5
0, the cecum 51 is formed sequentially. In addition, the cecum 5
An appendix 52 and a terminal ileum 53 are protruded from 1. In addition, the lower end of the rectum 44 has an anus 5
4 are formed.

The rectal part 44 of the large intestine model 43
The descending colon 46, the splenic flexure 47, the liver flexure 49, the ascending colon 50, and the cecum 51 are directly fixed on the mounting plate 42, respectively. Further, a plurality of hook attachment portions 55 are projected from the outer peripheral surface of the large intestine model 43. Each hook mounting portion 55 has a mounting hole 56 formed therein.

The first holding member 57 is provided on the mounting plate 42 at a position corresponding to the holding member 24 of the first embodiment.
Has been fixed. The first holding member 57 is provided with three hook attachment portions 58 similar to the hook attachment portions 55 of the large intestine model 43. Here, the hook attachment portions 58 are respectively provided on the right and left ends of the first holding member 57 on the side facing the S-shaped colon part 45, and one hook is provided on the side facing the transverse colon part 48. Hook attachment part 58
Is protruding. Each hook mounting portion 58 has a mounting hole 59 formed therein.

Further, the second holding member 6 is placed on the mounting plate 42 at a position corresponding to the holding member 26 of the first embodiment.
0 is fixed. The second holding member 60 is provided with two hook attachment portions 61. These hook attachment portions 61 are provided at both ends of the second holding member 60 on the side facing the transverse colon 48, respectively. Each of the hook mounting portions 61 has a mounting hole 62 formed therein.

On the mounting plate 42, a plurality of, in this embodiment four, hook mounting members 63 are fixed.
Here, the hook attachments 63 are located on both sides of the rectum 44, near the corner between the transverse colon 48 and the ascending colon 50, and at the corner between the transverse colon 48 and the descending colon 46. It is arranged at each of the nearby parts. Each hook attachment 63 has an attachment hole 64 formed therein.

In addition, a plurality of types of the colonoscope insertion training device 41 of the present embodiment, and in this embodiment, FIG.
Four types of connecting tools 66A to 66D shown in (E) are provided in advance. Here, the first connector 6 shown in FIG.
6A has an elastic body 67 such as a coil spring or rubber.
And hooks 68 fixed to both ends of the elastic body 67. Further, the second connecting member 66B shown in FIG. 3C is provided with an elastic body 69 having a shorter length than the first connecting member 66A and hooks 70 fixed to both ends of the elastic body 69. Have been. Further, a third connecting tool 66C shown in FIG. 3D is formed by connecting a pair of hooks 71.

Further, the fourth connecting member 6 shown in FIG.
6D is provided with an elastic body 67 and hooks 68 fixed to both ends of the elastic body 67 as in the case of the first connecting member 66A. Further, a strain detector 72 such as a strain gauge is attached to the outer peripheral surface of the elastic body 67. This distortion detector 72 is connected to a distortion amount detection device 74 via a signal line 73. The distortion amount detecting device 74 includes a control means for judging the degree of pain of the patient based on a detection signal output from the distortion detector 72, and an alarm which issues a warning sound when the degree of pain of the patient exceeds a certain value. The device is incorporated.

It should be noted that the distortion amount detecting device 74 does not necessarily have to be integrated into the colon endoscope insertion training device 41 of the present embodiment, but the colon endoscope insertion training device 41.
Alternatively, a configuration may be adopted in which a separate strain amount detection device 74 is connected to the colonoscope insertion training device 41 as needed.

Then, in the colonoscope insertion training apparatus 41 of the present embodiment, the type of the connector actually used among the plural types of connectors 66A to 66D shown in FIGS. By arbitrarily selecting the mounting position, the shape of the large intestine model 3 can be changed to an arbitrary shape,
Thus, a large intestine model form changing means 75 for reproducing the state of the large intestine of a plurality of patients is formed.

Next, the operation of the above configuration will be described.
In the operation of changing the large intestine model 43 of the large intestine endoscope insertion training device 41 of the present embodiment to a desired shape, the large intestine model shape changing means 75 is used as follows.

For example, as shown in FIG. 3A, two second connecting members 66B are installed between the hook mounting portion 58 of the first holding member 57 and the hook mounting portion 55 of the S-shaped colon 45. In addition, when two first connecting members 66A are erected between the hook attachment portion 61 of the second holding member 60 and the hook attachment portion 55 of the transverse colon portion 48, the large intestine on the attachment plate 42 The model 43 reproduces a standard human large intestine morphology.

A third connection is made at the corner between the hook attachment part 55 of the transverse colon part 48 and the hook attachment part 55 of the ascending colon part 50 of the standard large intestine model 43 of FIG. By attaching the tool 66C, the form of the large intestine in a state where the transverse colon 48 and the ascending colon 50 are adhered to each other is reproduced as shown in FIG. 3 (F).

Further, the hook attachment portion 58 of the first holding member 57 of the large intestine model 43 in the standard form shown in FIG.
In a state in which the two second connecting members 66B between the hook attachment portions 55 of the S-shaped colon portion 45 are removed, as shown in FIG.
When the second connector 66B is erected between the hook-shaped part 55 of the U-shaped colon 45 and the hook attachment part 55, the form of the large intestine in a state where the S-shaped colon 45 is deformed into an α shape is reproduced.

Thus, the present embodiment having the above configuration has the following effects. That is, in the present embodiment, FIG.
(B)-Several types of connection tools 66A-66D shown to (E)
The type of the large intestine model 3 can be changed to an arbitrary shape by arbitrarily selecting the type of the connecting device actually used and the mounting position thereof, thereby obtaining the state of the large intestine of a plurality of types of patients. Is formed, the form of the large intestine model 43 can be arbitrarily changed so as to reproduce the desired state of the large intestine of the patient. Therefore, a single colonoscopy insertion training device 41
Can reproduce the large intestine morphology of various patients in the large intestine model 43 on the mounting plate 42 of the patient. This is effective in improving the colonoscope insertion technique.

Further, in this embodiment, since the strain detector 72 is attached to the outer peripheral surface of the elastic body 67 of the fourth connecting member 66D shown in FIG. 3E, the fourth connecting member 66D is connected to the sigmoid colon. By using the elastic band as an elastic band corresponding to the mesentery of the part 45 and the transverse colon part 48, the amount of expansion and contraction of the large intestine model 43 is detected during the insertion practice of the colonoscope, and a certain value is detected. Is exceeded, a warning sound can be issued from the warning device of the distortion amount detection device 74. Therefore, it is possible to practice the insertion of the colonoscope in consideration of the pain of the patient by preventing the patient from ignoring the pain of the patient and forcibly pushing the colonoscope.
It is more effective in improving the colonoscope insertion technique.

FIG. 4 shows a schematic configuration of the entire colonoscope insertion training apparatus 81 according to the third embodiment of the present invention. The colonoscope insertion training apparatus 81 according to the present embodiment has the mounting plate 2 of the colonoscope insertion training apparatus 1 according to the first embodiment (see FIGS. 1 and 2A to 2C) facing upward. Is formed by a substantially box-shaped case 82 having an opening, and a cover 83 for closing an upper opening of the case 82.
Abdominal dummy 8 which becomes a cushion corresponding to the abdomen of the human body
4 is detachably attached.

Further, the cover 83 is formed of an elastic material such as vinyl or rubber, which corresponds to the skin of a human body. Then, one end of the cover 83 is
2 is connected to one end of the upper surface opening via a hinge joint so as to be openable and closable.

A pair of right and left engagement projections 85 are provided on the other end (free end) of the cover 83 so as to project therefrom. further,
At the peripheral portion of the upper opening of the case 82, the engaging projection 8 of the cover 83 is provided at the end opposite to the hinge joint of the cover 83.
5 is formed with an engaging hole 86 which is engaged with the engaging hole 86 in a detachable manner.
In FIG. 4, reference numeral 87 denotes a handle of the case 82.

Further, in the present embodiment, the small intestine dummy 21
In addition, a plurality of types of the transverse colon regulating body 23 and the abdominal dummy 84 are provided in advance, and the small intestine dummy 21, the transverse colon regulating body 23, and the abdominal dummy 84 of a desired form are detachably mounted as necessary. It is supposed to be. In addition,
The configuration of the other parts is the same as that of the first embodiment. In FIG. 4, the same parts as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted here.

Therefore, even in the colon endoscope insertion training device 81 of the present embodiment having the above-described configuration, the large intestine model 3 can be changed to a desired shape by the same operation as in the first embodiment. In the same manner as in the first embodiment, it is possible to experience the practice of inserting a colonoscope in the form of a large intestine of various patients corresponding to individual differences between patients, and to improve the technique of inserting a colonoscope in the colon. It is effective in planning.

Further, in the present embodiment, particularly, the cover 8
When the engaging projection 84 of the cover 83 is engaged with the engaging hole 85 of the case 82, the abdominal dummy 84 of the cover 83 presses the large intestine model 3 when the upper opening of the case 82 is closed by the cover 3. Therefore, the state of the large intestine of the large intestine model 3 or the state of the large intestine of the thin human body can be reproduced in accordance with the size of the abdominal dummy 84. Therefore, there is an effect that the number of types of the form change of the large intestine model 3 can be further increased.

FIG. 5 shows a fourth embodiment of the present invention. In the present embodiment, for example, the S-shaped colon part 5 of the large intestine model 3 in the large intestine endoscope insertion training device 1 of the first embodiment (see FIGS. 1 and 2A to 2C).
Alternatively, a heating plate 91 is attached to a relatively movable portion having a high degree of freedom, such as the transverse colon 8, and a controller 93 for temperature control is connected to the heating plate 91 via an electric cord 92. .

Therefore, in the present embodiment having the above configuration, the hardness of the S-shaped colon part 5 and the transverse colon part 8 is adjusted by controlling the temperature of the heating plate 91 by the controller 93. Can be. Here, for example, when the heating plate 91 is not heated, the hardness of the material of the elastic body of the S-shaped colon part 5 and the transverse colon part 8 can be held in a relatively hard tension state. By heating the heating plate 91, the material of the elastic body of the S-shaped colon part 5 and the transverse colon part 8 can be changed to a soft relaxed state. Therefore, the present embodiment also has an effect that the number of types of shape change of the large intestine model 3 can be further increased.

FIG. 6 and FIGS. 7A to 7E show a fifth embodiment of the present invention. This embodiment is similar to the first embodiment (FIGS. 1 and 2A to 2C).
The rectal fixation plate 15 of the large intestine model 3 in the large intestine endoscope insertion training device 1 of FIG.
In addition, a plurality of types, in this embodiment, five types of large intestine model units 102A to 102E shown in FIGS. 7A to 7E are provided, and any one of the large intestine model units is provided as necessary. It is configured to be selectively and removably attached to the mounting plate 2 as appropriate.

FIG. 7A shows a first large intestine model unit 102A showing a large intestine model 3 of a standard human body. Further, FIG. 7B shows the second large intestine model unit 102B in a state where the entire large intestine model 3 is relaxed.
(C) is a third large intestine model unit 102C in which the sigmoid colon part 5 and the transverse colon part 8 are longer than the standard large intestine model 3, and FIG.
The fourth large intestine model unit 102D in which adhesion has occurred in each of the portions of FIG. 7E, and FIG. 7E shows the fifth large intestine model unit 102E in which the entire large intestine model 3 is deformed into a different shape.
Are respectively shown.

Therefore, in the present embodiment having the above-described structure, one of the five types of large intestine model units 102A to 102E shown in FIGS. By detachably attaching the large intestine model 3 to the attachment plate 2, the form of the large intestine model 3 on the attachment plate 2 can be arbitrarily changed. For this reason, since various forms of the large intestine of the patient can be reproduced on the mounting plate 2 of the single colonoscope endoscope insertion training device 1, various large intestine forms of the patient can be reproduced according to individual differences of the patients. It is possible to experience colonoscopy insertion practice, which is effective in improving colonoscopy insertion technology.

FIGS. 8 to 11 show a sixth embodiment of the present invention. FIG. 8 shows a schematic configuration of the entire endoscope insertion training device 111 of the present embodiment.
In this embodiment, the first embodiment (FIGS. 1 and 2)
(See (A) to (C)) the large intestine model 3 in the colonoscope insertion training apparatus 1 includes a rectum 112, an S-shaped colon unit 113, a descending colon 114, a splenic flexure 115 and a transverse colon 116. The ascending colon unit 118 is formed by dividing the ascending colon unit 119 and the cecum 120 into five. Then, on the mounting plate 2 of the first embodiment, the rectum 112, the descending colon 114, and the ascending colon unit 1
21 are fixed.

In addition, a plurality of types of transverse colon units 118 are provided in advance, and in this embodiment, five types of transverse colon units 118A to 118E shown in FIGS. 9A to 9E are provided. Further, a plurality of types of S-shaped colon units 113 are provided in advance, and in this embodiment, six types of S-shaped colon units 113A to 113F shown in FIGS. 10A to 10F are provided.

FIG. 9A shows a first transverse colon unit 118A showing a standard transverse colon. further,
9 (B) shows the second transverse colon unit 118B in a relaxed state, and FIG. 9 (C) shows the third transverse colon unit 118 in a state where the transverse colon part 8 is longer than the standard large intestine model 3.
C, FIG. 9 (D) shows the fourth transverse colon unit 11 in a state where adhesion has occurred in a portion between the transverse colon portion 8 and the liver bending portion 9.
FIG. 8D and FIG. 9E respectively show the fifth transverse colon unit 118E which is entirely deformed into a different shape.

FIG. 10A shows a standard first S-shaped colon unit 113A, FIG. 10B shows a second S-shaped colon unit 113B in a relaxed state, and FIG.
The third S-shaped colon unit 113C in a state where the U-shaped colon portion 5 is deformed into an α shape, FIG. 10 (D) shows a standard large intestine model 3
The fourth S-shaped colon unit 113D in which the S-shaped colon part 5 is longer than the S-shaped colon part 5, FIG. 10 (E) shows the fifth S-shaped colon part 5 in a state in which adhesion has occurred in the connection part between the S-shaped colon part 5 and the rectum part 4. S-shaped colon unit 113E, FIG. 10 (F) shows the sixth state in which adhesion has occurred at the connection between the S-shaped colon part 5 and the descending colon part 6.
Respectively shows the S-shaped colon unit 113F.

In this embodiment, between the rectal part 112 fixed on the mounting plate 2 and the descending colon part 114, six types of S-shaped colon units 1 shown in FIGS.
13A to 113F are appropriately and selectively attached, and the descending colon 114 fixed on the attachment plate 2
9 (A) to FIG.
(E) Five types of transverse colon units 118A-11
8E can be selectively attached as appropriate. Here, the rectum 112 and the descending colon 114
And the S-shaped colon unit 113 and the descending colon 1
The connecting part of the ascending colon unit 121 and the transverse colon unit 118 and the ascending colon unit 121 are detachably connected via a fitting fixture 122 such as a Velcro.

Note that, as shown in FIG.
A plurality of types of S-shaped colon units in which conditions such as the length and hardness of the fold 124 protruding from the inner wall surface of the S-shaped colon main body 123 of each of the S-shaped colon units 113A to 113F shown in FIG. Further, the S-shaped colon unit may be selectively and appropriately detachably attached to the attachment plate 2 as needed.

Therefore, in the present embodiment having the above-described structure, the five types of transverse colon units 118A to 118E shown in FIGS. 9A to 9E and the S-shaped colon unit shown in FIG. 10 (A) to 10 (F) and selectively detachably attach to one of the six types of S-shaped colon units 113A to 113F shown in FIGS. The form can be changed arbitrarily. For this reason, since various forms of the large intestine of the patient can be reproduced on the mounting plate 2 of the single colonoscope endoscope insertion training device 1, various large intestine forms of the patient can be reproduced according to individual differences of the patients. You can experience colonoscopy insertion practice,
It is effective in improving the insertion technique of the colonoscope.

Note that the present invention is not limited to the above-described embodiment, and it goes without saying that various modifications can be made without departing from the spirit of the present invention. Next, other characteristic technical matters of the present application will be additionally described as follows.

(Additional Item 1) In a large intestine insertion practice apparatus in which a large intestine model into which an endoscope can be inserted is provided on a mounting plate, the form of the large intestine model is changed (without gravity).
An apparatus for practicing insertion of an endoscope for a large intestine, comprising means for changing.

(Additional Item 2) In the above-mentioned additional item 1, the colon endoscope insertion training device is characterized in that the form changing means is an urging means for urging the same large intestine model into a plurality of forms.

(Additional Item 3) The colorectal endoscope insertion training device according to the additional item 2, wherein a plurality of types of the urging means are detachable from the same part of the colon model or the mounting plate.

(Additional Item 4) In the additional item 2, the urging means can change the fixed position between the large intestine model and the mounting plate. (Additional Item 5) The colonic endoscope insertion training device according to the additional item 1, wherein the form changing means makes different colon models different from each other on the same mounting plate.

(Additional Item 6) The colonic endoscope insertion training device according to the additional item 5, wherein a part of the large intestine model is divided and made detachable. (Conventional techniques of Supplementary items 1 to 6) In order to master the CF insertion method, a colon model has been developed. The conventional one was always the same form of large intestine.

(Problems to be Solved in Additional Items 1 to 6)
Improving the insertion method is closely linked to how to accommodate the intestines of various patients. The conventional model could not cope with individual differences among patients.

(Purpose of Supplementary Items 1 to 6) A colon model capable of reproducing the large intestine of various patients (Supplementary item 7) At least a part of the colon model is provided with a means for detecting the degree of extensibility of the model, and the amount detected therefrom. A colonoscopy insertion training device, wherein means for outputting is provided in a colon model.

(Problem to be Solved in Additional Item 7) Insertion training using a colon model is effective. However, in the conventional model, since the pain of the patient could not be reproduced, the patient could be inserted even by forcibly pushing the scope.

(Purpose of Supplementary Item 7) The colon model enables the insertion training in consideration of the pain of the patient. (Additional Item 8) The colonic endoscope insertion training device according to the additional item 1, wherein the form changing means is means for adjusting the hardness of the large intestine model attached to the same mounting plate.

[0073]

According to the present invention, a means for reproducing the condition of a large intestine of a plurality of types of patients by changing the form of the large intestine model is provided. Accordingly, it is possible to experience the practice of inserting the colonoscope in the form of the large intestine of various patients, which is effective in improving the technique of inserting the colonoscope.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of an entire colonoscope insertion practice apparatus according to a first embodiment of the present invention.

FIGS. 2A and 2B show a deformed state of a large intestine model according to the first embodiment, wherein FIG. 2A is a schematic configuration diagram showing a standard human body large intestine model, and FIG. 2B is a thin human body large intestine model; (C) is a schematic configuration diagram showing a large intestine model in which a morphology of a large intestine arranged in a state where a liver curved portion is higher than a spleen curved portion is reproduced.

FIG. 3 shows a second embodiment of the present invention.
(A) is a schematic configuration diagram of the entire colonoscope insertion training device,
(B) is a plan view of the first connector, (C) is a plan view of the second connector, (D) is a plan view of the third connector, and (E) is a plane view of the fourth connector. FIG. 7F is a perspective view of a main part showing a state of attachment of a third coupler, and FIG. 7G is a perspective view of a main part showing a state of attachment of a second coupler.

FIG. 4 is a schematic configuration diagram of an entire colonoscopy practice apparatus according to a third embodiment of the present invention.

FIG. 5 is a schematic configuration diagram showing a main configuration of a colonoscopy insertion training device according to a fourth embodiment of the present invention.

FIG. 6 is a schematic configuration diagram of the entire colonoscope insertion practice apparatus according to a fifth embodiment of the present invention.

FIGS. 7A and 7B show various large intestine model units according to a fifth embodiment, wherein FIG. 7A is a schematic configuration diagram of a first large intestine model unit, and FIG. 7B is a schematic configuration diagram of a second large intestine model unit; (C) is a schematic configuration diagram of a third colon model unit, (D) is a schematic configuration diagram of a fourth colon model unit,
(E) is a schematic configuration diagram of a fifth large intestine model unit.

FIG. 8 is a schematic configuration diagram of an entire colonoscope insertion practice apparatus according to a sixth embodiment of the present invention.

FIG. 9 shows various transverse colon units of a large intestine model according to a sixth embodiment, wherein (A) is a schematic configuration diagram of a first transverse colon unit, and (B) is a schematic diagram of a second transverse colon unit. FIG. 10 is a schematic configuration diagram, (C) is a schematic configuration diagram of a third transverse colon unit, (D) is a schematic configuration diagram of a fourth transverse colon unit, and (E) is a schematic configuration diagram of a fifth transverse colon unit.

FIG. 10 shows an S-shaped colon unit of a large intestine model according to a sixth embodiment, wherein (A) is a schematic configuration diagram of a first S-shaped colon unit, and (B) is a second S-shaped colon unit. (C) is a schematic configuration diagram of a third S-shaped colon unit, (D) is a schematic configuration diagram of a fourth S-shaped colon unit,
(E) is a schematic configuration diagram of a fifth S-shaped colon unit, (F)
9 is a schematic configuration diagram of a sixth S-shaped colon unit.

FIG. 11 is a longitudinal sectional view of a main part showing a state of a fold of an inner wall in an S-shaped colon unit according to a sixth embodiment.

[Explanation of symbols]

 2, 42 Mounting plate 3, 43 Large intestine model 16 First position adjusting plate 17 Fixing screw 18 Second position adjusting plate 19a, 19b, 19c, 19d Screw hole 20, 75 Large intestine model form changing means 28 Endoscope

Claims (1)

[Claims] A large intestine model in which an endoscope can be inserted is provided on a mounting plate, and the endoscope is inserted into a lumen of the large intestine model to practice insertion of the endoscope. An insertion training device, comprising: means for changing the form of the large intestine model to reproduce the state of the large intestine of a plurality of types of patients.