JP2006081568A - Endoscope operation training apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an endoscope operation training apparatus with which an operation technique required for inspection and treatment by the endoscope can be obtained on feeling close to a practical clinical condition at high level. <P>SOLUTION: This endoscope operation training apparatus is equipped with an inserting port side securing tubular body 1 for covering a cut opening portion on one end side of a tubular organ 200 resected from a living body and for freely detachably bonding and securing it, a securing portion side securing shaft body 2 for covering a cut opening portion on the other end side of the tubular organ 200 and for freely detachably bonding and securing it, a supporting base 10 for supporting the inserting port side securing tubular body 1 and the securing portion side securing shaft body 2 by spacing them, and an air leakage preventing valve 3 for preventing air leakage from a gap between a through hole 1a of the inserting port side securing tubular body 1 and an inserting portion 100 of the endoscope. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an endoscope operation training apparatus.

  In order to perform endoscopy, it is first necessary for the doctor who operates the endoscope to fully acquire not only endoscope insertion technology but also various techniques necessary for endoscopy and treatment. If an inexperienced doctor suddenly uses the endoscope suddenly, it may cause a medical accident.

Therefore, in the past, the practice of attaching a pseudo-organ made to resemble a tubular organ of a living body to a support base and inserting an endoscope into the pseudo-organ is repeated to acquire the operation techniques necessary for endoscopy and treatment. (For example, Patent Document 1).
JP 2004-49479 A

  However, although the pseudo-organ is made to resemble a living organ as much as possible by combining plastic materials, rubber materials, etc., the feeling when an endoscope is inserted is far from the actual living organ. As a result, you cannot experience the subtle touches necessary to correctly acquire various examination and treatment techniques, and you can learn the endoscope operation techniques necessary for various examinations and treatments only at a low level. There wasn't.

  Therefore, an object of the present invention is to provide an endoscope operation training apparatus that can acquire operation techniques necessary for endoscopy and treatment at a high level with a feeling very close to an actual clinical state.

  In order to achieve the above object, the endoscope operation training apparatus of the present invention is a cylindrical body for fitting and detachably fixing and fixing a cutting opening on one end side of a tubular organ excised from a living body. An insertion port side mounting cylinder having a through-hole in the axial direction, and an axial body for fitting and fixing the cutting opening on the other end side of the tubular organ so as to be detachable and fixed in the axial direction The closed fixing portion side mounting shaft, the support for supporting the insertion port side mounting cylinder and the fixing portion side mounting shaft at an interval, and the insertion port side mounting cylinder penetrating An air leakage prevention valve for preventing air leakage from a gap between the through hole and the insertion portion when the insertion portion of the endoscope is passed through the hole is provided.

  In addition, the support base is a cylindrical body support portion for supporting the insertion port side mounting cylindrical body, a shaft body support portion for supporting the fixed portion side mounting shaft body, and the cylindrical support portion and the shaft body support. And a connecting base that connects the sections with a space therebetween.

  In that case, the insertion port side mounting cylinder may be attached to the support base in an oblique direction gradually approaching the connection base toward the fixed portion side mounting shaft body side. An escape hole may be formed to prevent the tubular organ from interfering with the connecting base when the tubular organ is attached to the mouth-side attachment cylinder and the fixed portion-side attachment shaft.

  Further, at least one of the insertion-portion-side mounting cylinder and the fixed-portion-side mounting shaft may be detachably attached to the support base, and the insertion-port-side mounting cylinder and the fixed-portion-side mounting shaft At least one of these may be attached to the support base so that the fixed position can be adjusted in the axial direction.

  Further, the support base may be attached to the upper end of the leg that can be adjusted in length, and when the tubular organ is attached to the insertion-portion-side mounting cylinder and the fixing portion-side mounting shaft. Further, a sheet for shielding between the tubular organ and the support base may be provided.

  In addition, when the tubular organ is attached to the insertion-portion-side mounting cylinder and the fixed-portion-side attachment shaft, it is at least within a range that covers the tubular organ except for the entrance portion of the insertion-portion-side mounting cylinder. A light-shielding lid to be covered may be provided.

  Moreover, when the tubular organ is attached to the insertion-portion-side mounting cylinder and the fixing portion-side mounting shaft, a cushion may be provided that is disposed along the lower back surface of the tubular organ.

  According to the present invention, an endoscope can be inserted into a tubular organ excised from a living body and various kinds of endoscopic operations can be practiced. It can be learned at a high level with a feeling very close to the clinical state, and the structure of the tissue is slightly different if the type of organ is different. You can also learn technology.

  A tubular body for fitting a cutting opening on one end side of a tubular organ excised from a living body and detachably binding and fixing the tubular organ, and an insertion side mounting cylinder having a through hole in the axial direction, and tubular A shaft-like body for fitting the cutting opening on the other end side of the organ and fixing it in a detachable manner, which is closed in the axial direction, and an insertion-portion-side mounting cylinder And the support part for supporting the fixed part side mounting shaft body at an interval, and when the insertion part of the endoscope is passed through the through hole of the insertion port side mounting cylinder, the through hole and the insertion part And an air leakage prevention valve for preventing air leakage from the gap between them.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows an overall configuration of an endoscope operation training apparatus, and 1 is an insertion port side attachment tube for attaching one end side of a tubular organ excised from a living body and inserting the endoscope into the one side. Is the body.

  A through hole 1a for allowing the insertion portion of the endoscope to pass through is formed in the insertion port side mounting cylinder 1 at the axial line position, and a tubular organ cutting opening is fitted on the outer peripheral portion to be removable. Can be tightly fixed.

  When the insertion part of the endoscope is passed through the through-hole 1a, the air leakage from the gap between the through-hole 1a and the insertion part is prevented at the entrance portion of the insertion-portion-side mounting cylinder 1. For this purpose, an air leakage prevention valve 3 made of, for example, silicon rubber or other rubber material or elastic synthetic resin material is provided.

  As shown in FIG. 2, the air leakage prevention valve 3 is formed with a hole 3a having a diameter smaller than the diameter of the insertion portion 100 of the endoscope at the center position, and the insertion portion 100 of the endoscope is inserted into the hole 3a. Is passed, the hole 3a is elastically expanded to prevent air leakage from that portion, and the insertion portion 100 can be advanced and retracted in that state.

  In this embodiment, the air leakage prevention valve 3 is fixed to the outer end inlet of the insertion port side mounting cylinder 1, but it may be mounted at any position in the through hole 1a. The body 1 may be detachably attached so that it can be exchanged.

  Returning to FIG. 1, reference numeral 2 denotes a fixing part-side mounting shaft for attaching a cutting opening on the other end side of the tubular organ excised from the living body at both ends, and the tubular organ cutting opening is provided on the outer peripheral portion. It can be fitted and detachably fixed. In this embodiment, a solid round bar is used as the fixed-part-side mounting shaft 2, but a cylindrical body or other shaft-like body with its end closed may be used.

  Reference numeral 10 denotes a support for supporting the insertion-portion-side mounting cylinder 1 and the fixed-portion-side mounting shaft 2 with a space therebetween, and a cylindrical body for supporting the insertion-portion-side mounting cylinder 1. The support part 11, the shaft body support part 12 for supporting the fixed part side mounting shaft body 2, and the plate-like connection base 13 for connecting the cylindrical body support part 11 and the shaft body support part 12 with a space therebetween. Including.

  The connecting table 13 is formed so as to prevent the tubular organ from interfering with the connecting table 13 when the tubular organ is mounted on the insertion port side mounting cylinder 1 and the fixed portion mounting shaft 2. The hole 14 is formed in a shape in which a portion other than the peripheral portion is greatly cut out.

  A cylindrical body into which the insertion-port-side mounting cylinder 1 is fitted is disposed at a distance from the surface of the coupling base 13 in the cylindrical support portion 11, and the insertion-port-side mounting cylinder 1 is a fixed portion. The side mounting shaft 2 is inclined so as to be inclined toward the connecting base 13 gradually toward the side mounting shaft 2 side.

  The insertion-portion-side mounting cylinder 1 can be moved forward and backward in the axial direction with respect to the cylinder support part 11, and can be fixed to the cylinder support part 11 at an arbitrary position by a manual fixing screw 11a. By loosening 11a, the axial position of the insertion-portion-side mounting cylinder 1 can be adjusted as indicated by the arrow A. When necessary, the insertion-portion-side mounting cylinder 1 can be removed from the cylinder support portion 11. It can also be pulled out and removed. In addition, you may use means other than the manual fixing screw 11a for fixation of the cylinder 1 for insertion side attachment.

  The shaft body support portion 12 is provided so that the fixed portion side mounting shaft body 2 can be fixed and released in parallel to the surface of the coupling base 13. A pair of flexible wire-like elastic binding materials 12a for securing and fixing the shaft body 2 at two positions at intervals are arranged.

  As a result, the fixed portion side mounting shaft body 2 can move forward and backward in the axial direction in the shaft body support portion 12, and can be fixed at an arbitrary position by the binding material 12a, and if the binding by the binding material 12a is loosened. As shown by the arrow B, the axial direction position of the fixed part side mounting shaft body 2 can be adjusted. When necessary, the fixed part side mounting shaft body 2 is pulled out from the shaft body support part 12. It can also be removed. In addition, you may use means other than the binding material 12a for fixation of the shaft part 2 for fixing | fixed part side attachment.

  The four corners of the connecting base 13 are attached to the upper end of a leg 15 that is telescopically variable in length, and the position of the through pin 17 that passes through the hole 16 formed in the inner cylinder and the outer cylinder that form the leg 15. By changing the length of the leg 15, the length of the leg 15 can be changed. The lower end of each leg 15 is fixed to a single substrate 18.

  FIG. 3 shows a state in which the tubular organ 200 is attached to the insertion-portion-side mounting cylinder 1 and the fixed-portion-side mounting shaft 2. Examples of the tubular organ 200 include esophagus such as pigs, dogs, and cows. Or stomach can be used.

  After the insertion port side mounting cylinder 1 and the fixed portion side mounting shaft body 2 are adjusted to an appropriate distance in accordance with the tubular organ 200, the insertion port side mounting cylinder 1 and the fixed portion side are adjusted. The cutting opening of the tubular organ 200 fitted on the mounting shaft 2 can be detachably fixed by the organ fixing member 20 using a rubber band or a cable holder.

  FIG. 4 shows a state in which the insertion portion 100 of the endoscope is inserted into the tubular organ 200 set in the endoscope operation training apparatus as described above, and is sent into the tubular organ 200 by the endoscope. If care is taken, the leakage of air to the outside is prevented by the action of the air leakage prevention valve 3, and the tubular organ 200 can be inflated in the form of the actual organ.

  Then, by performing an operation to project the treatment tool 101 and the like from the distal end of the insertion portion 100 of the endoscope and perform a treatment on the simulated affected part 201 in the tubular organ 200, a transendoscope in actual clinical practice is performed. With a feeling almost the same as a typical treatment, it is possible to acquire a high level of operation techniques necessary for endoscopy and treatment.

  In addition, if the organs are different, the structure and feel of the tissue are slightly different. However, as shown in FIG. 5, the tubular organ 200 may be replaced with a large intestine 200 'or the like excised from the living body as necessary. It is possible to learn endoscope operation techniques for various organs with a single endoscope operation training device.

  In addition, as shown in FIG. 6, when the tubular organ 200 is attached to the insertion port side mounting cylinder 1 and the fixed portion side mounting shaft 2, the tubular organ 200 and the support 10 If the sheet | seat 300 for shielding between is used, the support stand 10 can be kept from becoming dirty.

  Further, as shown in FIG. 7, by covering a portion other than the entrance portion of the insertion-portion-side mounting tubular body 1 (at least in a range covering the tubular organ 200) with a light-shielding cover 400 for shielding external light, the tubular organ It is possible to make the inside 200 dark as when it is in an actual living body.

  Further, as shown in FIG. 8, by placing a cushion 500 made of a material such as sponge, low-resilience urethane, cotton or powder beads along the lower back surface of the tubular organ 200, The feeling when the insertion unit 100 is pressed against the mucosal surface of the tubular organ 200 can be made closer to the feeling when the tubular organ 200 is in an actual living body.

1 is a perspective view showing an overall configuration of an endoscope operation training apparatus according to an embodiment of the present invention. It is a side surface expanded sectional view of the entrance part of the insertion port side attachment cylinder of the endoscope operation training apparatus of the Example of this invention. It is a perspective view which shows the whole structure of the state by which the tubular organ was attached to the endoscope operation training apparatus of the Example of this invention. It is side surface sectional drawing of the state by which the insertion part of the endoscope was inserted in the tubular organ attached to the endoscope operation training apparatus of the Example of this invention. It is a top view of the state where the large intestine was attached to the endoscope operation training apparatus of the Example of this invention as a tubular organ. It is a perspective view in the state where the sheet was arranged under the tubular organ attached to the endoscope operation training device of the example of the present invention. It is a perspective view of the state where the light-shielding lid was attached to the endoscope operation training apparatus of the Example of this invention. It is side surface sectional drawing of the state by which the cushion was arrange | positioned along the lower back surface of the tubular organ attached to the endoscope operation training apparatus of the Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Insertion side mounting cylinder 2 Fixed part side mounting shaft 3 Air leak prevention valve 10 Support base 11 Cylindrical support part 11a Manual fixing screw 12 Shaft body support part 12a Tightening material 13 Connecting base 14 Escape hole 15 Leg 20 Organ fixing member 100 Insertion portion of endoscope 200 Tubular organ 300 Sheet

Claims (10)

A cylindrical body for fitting a cutting opening on one end side of a tubular organ excised from a living body and detachably binding and fixing the insertion opening side mounting cylinder having a through hole in the axial direction;
A shaft for fixing and removably binding and fixing the cutting opening on the other end side of the tubular organ, and a fixing portion side mounting shaft closed in the axial direction;
A support base for supporting the insertion port side mounting cylinder and the fixed portion side mounting shaft body at an interval; and
An air leakage prevention valve for preventing air leakage from a gap between the through hole and the insertion portion when the insertion portion of the endoscope is passed through the through hole of the insertion port side mounting cylinder; An endoscope operation training apparatus characterized by that.   The support base is a cylindrical body support portion for supporting the insertion port side mounting cylindrical body, a shaft body support portion for supporting the fixed portion side mounting shaft body, the cylindrical support portion, and the The endoscope operation training apparatus according to claim 1, further comprising a connecting base that connects the shaft body support portion with a space therebetween.   The endoscope operation training apparatus according to claim 2, wherein the insertion-portion-side mounting cylinder is attached to the support base in an oblique direction gradually approaching the connection base toward the fixed portion-side mounting shaft. .   The linking table is provided with a relief for preventing the tubular organ from interfering with the linking table when the tubular organ is mounted on the insertion port side mounting cylinder and the fixed portion side mounting shaft. The endoscope operation training device according to claim 2 or 3, wherein a hole is formed. 5. The endoscope operation training device according to claim 1, wherein at least one of the insertion port side mounting cylinder and the fixed portion side mounting shaft is detachably mounted on the support base. .   The at least one of the insertion port side mounting cylinder and the fixed portion side mounting shaft is mounted on the support base such that the fixing position can be adjusted in the axial direction. The endoscope operation training apparatus described.   The endoscope operation training apparatus according to claim 1, wherein the support is attached to an upper end of a leg whose length is adjustable.   When the tubular organ is attached to the insertion-portion-side mounting cylinder and the fixed-portion-side mounting shaft, a sheet is provided for shielding between the tubular organ and the support base. The endoscope operation training apparatus according to claim 1, 2, 3, 4, 5, 6, or 7.   When the tubular organ is attached to the insertion-portion-side mounting cylinder and the fixed-portion-side attachment shaft, at least the tubular organ is removed except for the inlet portion of the insertion-portion-side mounting cylinder. The endoscope operation training device according to any one of claims 1 to 8, wherein a light-shielding cover is provided to cover the covered area.   A cushion disposed along the lower back surface of the tubular organ is provided when the tubular organ is attached to the insertion-portion-side mounting cylinder and the fixed portion-side mounting shaft. The endoscope operation training device according to any one of Items 1 to 9.

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