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WO2018216126A1 - Marque d'extrémité distale d'outil de traitement médical et outil de traitement médical - Google Patents

Marque d'extrémité distale d'outil de traitement médical et outil de traitement médical Download PDF

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Publication number
WO2018216126A1
WO2018216126A1 PCT/JP2017/019319 JP2017019319W WO2018216126A1 WO 2018216126 A1 WO2018216126 A1 WO 2018216126A1 JP 2017019319 W JP2017019319 W JP 2017019319W WO 2018216126 A1 WO2018216126 A1 WO 2018216126A1
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WO
WIPO (PCT)
Prior art keywords
mark
medical treatment
mark portion
treatment instrument
circumferential direction
Prior art date
Application number
PCT/JP2017/019319
Other languages
English (en)
Japanese (ja)
Inventor
佐藤　英幸
利博 吉井
礼佑 長田
真希 戸井田
幸太 菅谷
Original Assignee
オリンパス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by オリンパス株式会社 filed Critical オリンパス株式会社
Priority to PCT/JP2017/019319 priority Critical patent/WO2018216126A1/fr
Publication of WO2018216126A1 publication Critical patent/WO2018216126A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
    • A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments

Definitions

  • the present invention relates to a medical treatment instrument tip mark and a medical treatment instrument.
  • the dimension in the longitudinal direction only changes relatively flat in the circumferential direction, and the operator recognizes the origin of rotation around the longitudinal axis of the treatment instrument on the endoscopic image. There is an inconvenience that it is difficult to do.
  • the present invention has been made in view of the circumstances described above, and is a medical treatment instrument tip mark that allows an operator to easily recognize the origin of rotation around the longitudinal axis of a treatment instrument on an endoscopic image. And to provide a medical treatment instrument.
  • One aspect of the present invention is a medical treatment instrument distal end mark attached to a cylindrical outer peripheral surface of a distal end portion of a medical treatment instrument, the first mark portion indicating one circumferential position, A first mark portion and a second mark portion extending in the circumferential direction on both sides in the circumferential direction of the one mark portion, wherein the first mark portion and the second mark portion are discontinuous at their boundaries.
  • the first mark portion and the second mark portion that are not continuous with each other can be easily distinguished from the first mark portion or the second mark portion when visually confirmed by the endoscopic image. be able to.
  • the first mark portion can be easily recognized separately from the second mark portion, and the medical treatment indicated by the first mark portion. The operator can easily recognize the origin around the longitudinal axis of the treatment instrument.
  • the second mark portion may have a form that changes in the circumferential direction.
  • the length dimension of the direction along the longitudinal axis of the said outer peripheral surface of the said 2nd mark part may increase monotonously or decrease monotonously as it leaves
  • the length dimension of the direction along the longitudinal axis of the said outer peripheral surface of the said 2nd mark part is a length dimension of the said 1st mark part in the circumferential direction position nearest to the said 1st mark part. Or less than half.
  • the length dimension of the circumferential direction of the said outer peripheral surface of the said 1st mark part may increase gradually toward the front-end
  • the said 1st mark part and the said 2nd mark part may be arrange
  • the angle range from the circumferential center of the first mark part to the end of the second mark part farthest from the first mark part is greater than 90 ° and smaller than 180 °. Also good. By doing in this way, even when the first mark portion is arranged directly behind the medical treatment tool with respect to the observation direction by the endoscope, the end portion of the second mark portion is visually recognized on the endoscopic image. be able to. Further, the boundary can be made clear by separating the end portions of the second mark portion.
  • Another aspect of the present invention is a medical treatment instrument including any one of the medical treatment instrument tip marks described above and at least one joint. Moreover, in the said aspect, the said 1st mark part may be extended in the direction which cross
  • FIG. 4A It is a front view which shows an example of the medical treatment tool with which the medical treatment tool tip mark concerning one Embodiment of this invention was given. It is an expanded view which shows an example of the medical treatment tool front-end
  • a medical treatment instrument tip mark 10 and a medical treatment instrument 1 according to an embodiment of the present invention will be described below with reference to the drawings.
  • the medical treatment tool 1 according to the present embodiment is inserted into an endoscope channel or an overtube channel that accommodates an endoscope, and is disposed in a field of view of an endoscope, and performs treatment on an affected area.
  • a treatment portion (tip portion) 2 disposed at the distal end and one or more joints 3a and 3b for changing the position and posture of the treatment portion 2 are provided. Yes.
  • the treatment section 2 includes a truncated cone-shaped base 5 on the base end side of the end effector 4 arranged at the forefront.
  • the end effector 4 is an electrode that cuts or cauterizes tissue with a high-frequency current.
  • the medical treatment instrument tip mark 10 according to the present embodiment is printed on a conical outer peripheral surface of the base 5 of the treatment section 2.
  • the medical treatment instrument distal end mark 10 according to the present embodiment includes a first mark portion 11 that extends linearly in a direction along the longitudinal axis of the treatment portion 2, and the first mark. And two second mark portions 12 disposed on both sides of the portion 11 in the circumferential direction.
  • the medical use is arranged in the field of view of the observation optical system.
  • the treatment tool 1 is disposed so as to be positioned on the lower side in the vertical direction of the endoscopic image.
  • two medical treatment instruments 1 operated with both hands are used, they are arranged on both obliquely lower sides of the endoscopic image in the vertical direction.
  • the first mark section 11 is printed at a position disposed directly above the endoscopic image, for example, as shown in FIG. 4A.
  • the second mark portion 12 is arranged with a gap in the circumferential direction with respect to the first mark portion 11, and the length dimension in the longitudinal axis direction gradually increases as the distance from the first mark portion 11 in the circumferential direction increases monotonously. It is formed in a trapezoidal shape arranged as follows. In the present embodiment, a gap is formed between the second mark portion 12 and the first mark portion 11 in the circumferential direction so that both are discontinuous. Further, the length dimension in the direction along the longitudinal axis of the outer peripheral surface of the second mark part 12 is not more than half of the length dimension of the first mark part 11 at the circumferential position closest to the first mark part 11. Is preferred.
  • the first mark portion 11 indicating the origin of rotation around the longitudinal axis of the treatment portion 2 is the second mark. Since it is provided so as to be distinguishable from the part 12, the operator who has seen the endoscopic image can recognize the first mark part 11 by distinguishing from the second mark part 12, and the origin of rotation can be easily set. There is an advantage that it can be recognized.
  • the first mark portion 11 is formed in a straight line extending in the direction along the longitudinal axis at one circumferential direction, so that the first mark portion 11 is visible on the endoscopic image at the moment when the first mark portion 11 is seen.
  • One place in the circumferential direction can be recognized.
  • the first mark portion 11 can be seen from the state where only the second mark portion 12 is visible on the endoscopic image. At the moment, the operator can recognize that what is seen is the first mark portion 11.
  • the medical treatment can be performed even when only the end portion of the second mark portion 12 is visible on the endoscopic image. There is an advantage that it is not necessary to lose sight of the tool tip mark 10.
  • FIG. 2 since the first mark portion 11 has a linear shape with a uniform width and the second mark portion 12 has a trapezoidal shape, FIG. As shown, when viewed from a direction perpendicular to the longitudinal axis of the treatment section 2, the treatment section 2 can be seen as it is. However, in actuality, as described above, the treatment portion 2 is viewed obliquely from behind, so as shown in FIG. 3, the first mark portion 11 has a width dimension toward the tip in the longitudinal axis direction, that is, Alternatively, a material whose length in the circumferential direction gradually increases may be employed.
  • the second mark portion 12 has a shape that emphasizes that the treatment portion 2 gradually spreads in the circumferential direction when the treatment portion 2 is viewed obliquely from behind, for example, a shape in which a trapezoid is deformed as shown in FIG. May be adopted.
  • a shape in which a trapezoid is deformed as shown in FIG. May be adopted With this configuration, when both the first mark portion 11 and the second mark portion 12 are visible on the endoscopic image shown in FIG. 4A, the first mark portion 11 and the second mark portion 12 are displayed. It can be recognized more clearly.
  • FIGS. 4B and 4C in the state where only the end of the second mark portion 12 is visible, the presence of the second mark portion 12 can be easily confirmed to prevent losing sight. Further, as shown in FIG. 4D, it can be recognized with more emphasis that the second mark portion 12 becomes wider as it moves away from the first mark portion 11 in the circumferential direction.
  • any one of the medical treatment tool tip marks 10 shown in FIGS. 5 to 12 may be adopted. That is, the medical treatment instrument tip mark 10 shown in FIG. 5 has a form in which the first mark portion 11 and the second mark portion 12 are integrated without being separated in the circumferential direction. By changing the dimension in the longitudinal axis direction abruptly at the boundary between the second mark portion 12 and the second mark portion 12, both shapes in the circumferential direction are discontinuously changed so that they can be distinguished from each other.
  • the second mark portion 12 of the medical treatment instrument tip mark 10 in FIG. 5 is continuously changed in density so that the second mark portion 12 gradually becomes thicker as it moves away from the first mark portion 11 in the circumferential direction. Giving a gradation.
  • the first mark portion 11 having a dark color (for example, black) and the second mark portion 12 having a light color are adjacent to each other, so that the color of the boundary between the first mark portion 11 and the second mark portion 12 is changed. It is possible to discriminate more clearly by changing the shading discontinuously.
  • a second mark portion 12 whose dimension in the longitudinal axis direction does not change along the circumferential direction can be adopted. Also by this, the boundary between the first mark part 11 and the second mark part 12 changes discontinuously due to color shading and can be clearly identified.
  • a medical treatment instrument tip mark 10 that changes the color stepwise in the circumferential direction may be adopted as a form similar to FIG.
  • a second mark portion 12 having a constant longitudinal axis dimension in the circumferential direction and a color that changes stepwise in the circumferential direction may be employed.
  • first mark portion 11 has been illustrated as one straight line continuous in the longitudinal axis direction, it may be divided in the longitudinal axis direction as shown in FIG. 10 instead.
  • the dimension of the first mark portion 11 in the longitudinal axis direction is the distance from end to end of each first mark portion 11 divided in the longitudinal axis direction.
  • one place of the treatment part 2 in the circumferential direction can be clearly shown.
  • the first mark portion 11 formed in a straight line shape a triangle pointing to one place in the circumferential direction as shown by an arrow may be used as the first mark portion 11 as shown in FIG.
  • the shape of the first mark portion 11 may be a shape in which the circumferential length of the outer peripheral surface gradually increases toward the distal end of the medical treatment instrument 1 instead of a triangle.
  • the length dimension in the longitudinal axis direction of the second mark portion 12 is clearly smaller than that of the first mark portion 11, and the length dimension in the longitudinal axis direction is constant along the circumferential direction. You may employ
  • the shape of the boundary between the first mark portion 11 and the second mark portion 12 can be changed discontinuously and can be clearly identified.
  • the lengths to the end portions of the two second mark portions 12 extend over the range of the following angle ⁇ in the circumferential direction of the outer peripheral surface of the treatment portion 2. 180 ° ⁇ ⁇ 360 ° That is, the length from the center in the circumferential direction of the first mark portion 11 to the circumferential end of the second mark portion 12 extends in the range of the following angle ⁇ in the circumferential direction of the outer peripheral surface of the treatment portion 2. preferable. 90 ° ⁇ ⁇ 180 °
  • the angle is greater than 180 °, even if the first mark portion 11 is disposed directly behind the treatment portion 2 when viewed from the observation optical system of the endoscope, the end portion of any of the second mark portions 12 is an endoscopic image. It arrange
  • the origin of rotation of the treatment unit 2 can be easily recognized on the endoscopic image, and the treatment is performed.
  • the operator can quickly recognize the operation direction to be performed next.
  • the treatment by the distal bending joint 3 a depends on the position of the first mark portion 11. The operator can easily and quickly recognize the swinging direction of the portion 2.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)

Abstract

Le but de la présente invention est d'aider un praticien à reconnaître le point d'origine de rotation d'un outil de traitement autour d'un axe longitudinal dans une image d'endoscope. La présente invention concerne une marque d'extrémité distale d'outil de traitement médical (10) qui est fixé à une surface circonférentielle externe tubulaire d'une extrémité distale (2) d'un outil de traitement médical (1) et comprend une première partie de marque (11) qui indique la position circonférentielle pour une zone et des secondes parties de marque (12) qui s'étendent de manière circonférentielle sur chaque côté circonférentiel de la première partie de marque (11), la première partie de marque (11) et les secondes parties de marque (12) étant discontinues au niveau de leurs limites.
PCT/JP2017/019319 2017-05-24 2017-05-24 Marque d'extrémité distale d'outil de traitement médical et outil de traitement médical WO2018216126A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/019319 WO2018216126A1 (fr) 2017-05-24 2017-05-24 Marque d'extrémité distale d'outil de traitement médical et outil de traitement médical

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/019319 WO2018216126A1 (fr) 2017-05-24 2017-05-24 Marque d'extrémité distale d'outil de traitement médical et outil de traitement médical

Publications (1)

Publication Number Publication Date
WO2018216126A1 true WO2018216126A1 (fr) 2018-11-29

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PCT/JP2017/019319 WO2018216126A1 (fr) 2017-05-24 2017-05-24 Marque d'extrémité distale d'outil de traitement médical et outil de traitement médical

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009101077A (ja) * 2007-10-25 2009-05-14 Olympus Medical Systems Corp 医療装置
JP2009201682A (ja) * 2008-02-27 2009-09-10 Hitachi Ltd 回転状態検出方法および装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009101077A (ja) * 2007-10-25 2009-05-14 Olympus Medical Systems Corp 医療装置
JP2009201682A (ja) * 2008-02-27 2009-09-10 Hitachi Ltd 回転状態検出方法および装置

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