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WO2018134671A1 - Endoscope muni d'une tête ayant un canal de travail pour guider des micro-instruments - Google Patents

Endoscope muni d'une tête ayant un canal de travail pour guider des micro-instruments Download PDF

Info

Publication number
WO2018134671A1
WO2018134671A1 PCT/IB2018/000020 IB2018000020W WO2018134671A1 WO 2018134671 A1 WO2018134671 A1 WO 2018134671A1 IB 2018000020 W IB2018000020 W IB 2018000020W WO 2018134671 A1 WO2018134671 A1 WO 2018134671A1
Authority
WO
WIPO (PCT)
Prior art keywords
working channel
endoscope
distal end
end portion
endoscope head
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/IB2018/000020
Other languages
German (de)
English (en)
Inventor
Thomas Viebach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoya Corp
Original Assignee
Hoya Corp
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 Hoya Corp filed Critical Hoya Corp
Priority to CN201890000259.8U priority Critical patent/CN210330523U/zh
Publication of WO2018134671A1 publication Critical patent/WO2018134671A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00098—Deflecting means for inserted tools
    • 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

  • Endoscope with an endoscope head with a working channel for guiding micro tools
  • the present invention relates to an endoscope having an endoscope head with a working channel for guiding micro tools.
  • DE 196 27 016 Cl discloses an endoscope with an albarran lever which deflects the micro-tools guided in the working channel laterally.
  • the pivoting of the Albarran lever is accomplished via a pull rope, which is anchored to the albarran lever and guided in the endoscope.
  • Such an albarran lever can be used in an endoscope for examination e.g. the esophagus or the duodenum, the bile duct, bile, pancreatic duct, pancreas, etc. are applied.
  • Such an endoscope has an optic (illumination device and camera).
  • the endoscope also has at the output of the working channel the albarran lever, which allows pivoting a targeted deflection of the tools that are pushed through the working channel.
  • the object of the present invention is to provide an endoscope in which it is even better avoided that germs, with which an endoscope came into contact, are transferred to the patient during the next use.
  • the endoscope according to the invention has an endoscope head with a working channel for guiding micro-tools.
  • the working channel is bent toward a lateral side.
  • an advanced tool can already undergo bending in the working channel when it moves through the profile of the working channel that is bent toward the lateral side.
  • a distal exit opening of the working channel may be located on the lateral side of the endoscope head.
  • the advanced tool in the working channel thus leaves the working channel on the lateral side of the endoscope head. That the advanced in the working channel tool is already at the mouth of the working channel to the outside in the laterally angled orientation.
  • the distal exit opening of the working channel may be adjacent to a lighting device and a camera.
  • the distal mouth of the working channel at which the tool advanced in the working channel leaves the endoscope head is the location illuminated by the illuminator and picked up by the camera.
  • the distal end portion of the working channel may be straight.
  • the last, ie distal, region of the working channel up to the lateral mouth is straight in this design.
  • the working channel can be formed from a straight proximal section and a straight distal section located at an angle to the proximal section.
  • the distal end portion of the working channel then forms a Tool guide surface, on which a feasible through the working channel tool can come into contact, to be deflected in the lateral direction of the endoscope head.
  • the distal end portion of the working channel may extend in an angular range of 45 ° +/- 30 ° to the central axis of the endoscope head. In a particular application, the distal end portion of the working channel may extend at an angle of 45 ° to the central axis of the endoscope head.
  • the distal end portion of the working channel may be curved toward the lateral direction. Then, the tool guide surface is disposed in the curved distal end portion of the working channel.
  • a projection extending in the proximal direction through which a tool guided in the working channel is bent in the proximal direction.
  • Such a survey leads to a displaced in the proximal direction deflection of an advanced tool.
  • an output angle of the tool to the lateral side of the endoscope head can be turned further to the proximal direction.
  • FIG. 1 shows a schematic perspective side view of an endoscope head of an embodiment of the present invention.
  • Fig. 2 shows the endoscope head of Fig. 1 in a cutaway state.
  • the endoscope according to the invention has an endoscope head 1.
  • the endoscope head 1 is constructed as a cylindrical body and has a working channel 11 which extends in the longitudinal direction of the endoscope head 1.
  • the working channel 11 carries micro-tools for examination e.g. the esophagus or duodenum, bile duct, bile, pancreas, pancreas, etc.
  • the endoscope head 1 On the distal side, the endoscope head 1 has a lighting device 17 and a camera 18, which are provided in a known manner and directed to a lateral side of the endoscope head 1 (in FIGS. 1 and 2, upwards).
  • FIG. 1 shows the endoscope head 1 from the outside.
  • FIG. 2 shows the endoscope head 1 in a cutaway state, the endoscope head 1 being shown cut open longitudinally along the axis of the working channel 11.
  • the working channel 11 terminates in a distal section of the endoscope head 1, where it forms a distal outlet opening 112 of the working channel 11.
  • the working channel 11 extends along the endoscope and is bent in the endoscope head 1 so that the distal exit opening 112 of the working channel 11 to the lateral side of the endoscope head 1 (in the Figures 1 and 2 upwards) is directed. That is, the distal exit port 112 of the working channel faces the side to which the illuminator 17 and the camera 18 are directed.
  • the distal extension The opening 112 of the working channel 11 is thus adjacent to the illumination device 17 and the camera 18th
  • the working channel 11 comes from the proximal side of the endoscope and extends straight in the proximal region of the endoscope head 1, and is bent in the distal end portion of the endoscope head 1 to the lateral side to open at the distal exit opening 112 to the lateral outside.
  • a distal end portion 111 is provided, which turns from the straight extension to the lateral distal exit port 112.
  • this distal end portion 111 of the working channel 11 has a shape bent towards the lateral side.
  • the distal end portion 111 opens in the vicinity of the illumination device 17 or the camera 18.
  • the distal end portion 111 thus extends in a curved shape to the lateral direction.
  • a tool guide surface is thus formed on the surface section facing the lateral distal exit opening 112, on which a tool which can be guided through the working channel can come into contact in order to be deflected in the lateral direction of the endoscope head.
  • this tool guide surface which deflects a tool in the lateral direction of the endoscope head, is located on the lower side of the distal end portion 111.
  • a specific angle of curvature of the distal end portion 111 relative to the straight extension of the working channel 11 in front of the distal end portion 111 results in a corresponding output angle of the tool on the lateral side of the endoscope head 1.
  • the angle of curvature of the distal end portion 111 can be suitably selected.
  • the angle of curvature of the distal end portion 111 may be selected so that the output angle of the tool on the lateral side of the endoscope head 1 is approximately 90 degrees.
  • a new endoscope or a cleaned and sterilized endoscope is provided.
  • the endoscope is inserted in the patient.
  • the mouth of the common bile duct can be illuminated by the illumination device 17, with which images of the camera 18 can be brought to a proximal evaluation unit.
  • a micro-tool required for a treatment can now be pushed through the working channel 11.
  • the advanced micro-tool after passing the straight portion of the working channel 11, comes into contact with the tool guide surface at which the micro-tool is deflected in the lateral direction of the endoscope head.
  • the micro-tool leaves the working channel 11 at the lateral distal outlet opening 112 facing the mouth of the main bile duct. Treatment can now take place.
  • the endoscope has no albarran lever.
  • the function of the albarran lever to deflect the micro-tool in the lateral direction from the endoscope head is already carried out solely by the distal end of the working channel 11.
  • the invention therefore provides a simple and inexpensive construction, which can advance a micro-tool to a desired location laterally from the endoscope head 1 even without actual Albarranhebel.
  • an albarran lever for advancing a micro-tool offers many undercuts, which can be used on germs, etc., which may remain on the albarran lever even during intensive cleaning and sterilization.
  • the structure of the invention replaces the Albarranhebel and has the functions of Albarranhebels quasi the distal end portion of the working channel 11 to. However, the distal end portion of the working channel 11 is arranged inside the endoscope head 1.
  • the structure according to the invention forms the possibility that a transmission of germs, etc., with which an albarran lever came into contact when the endoscope is used, is more reliably avoided the next time it is used on the next patient.
  • the working channel 11 in the proximal region of the endoscope head 1 can run straight and at a transition point to the portion of the working channel 11, which is arranged in the distal region of the endoscope head 1, ie to the distal end portion 111 have a bend and the distal exit opening 112 of the working channel eleventh just lost.
  • the distal end portion 111 of the working channel 11 may extend in an angular range of 45 ° +/- 30 ° to the central axis of the endoscope head 1. In a specific application, the distal end portion 111 of the working channel 11 may extend at an angle of 45 ° to the central axis of the endoscope head 1.
  • the geometric shape of the working channel 11 is not limited in principle, as long as a suitable advancement of a micro-tool is made possible.
  • the invention is applicable to a duodenoscope.
  • the principle of the invention can also be applied to an ultrasound endoscope and to any other type of endoscope.
  • a working channel is shown.
  • the invention may also be applied to endoscopes having multiple working channels.
  • an elevation extending in the proximal direction can be provided at the distal end of the working channel 11 in the region of the distal outlet opening 112, which elevation can bend a micro-tool pushed through the working channel 11 in the proximal direction.
  • This elevation which extends in the proximal direction, can be formed on the distal side of the distal end section of the working channel 11.
  • the elevation causes an advanced micro-tool at the distal exit port 112 to be more strongly bent in the proximal direction.
  • the angle of the curvature of the distal end portion 111 can be chosen to be smaller than without said protrusion extending in the proximal direction.

Landscapes

  • 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

La présente invention concerne un endoscope muni d'une tête d'endoscope (1) ayant un canal de travail (11) pour guider des micro-instruments, le canal de travail (11) s'étendant de manière courbée vers l'avant jusqu'à un côté latéral, dans le segment d'extrémité distale de la tête d'endoscope (1).
PCT/IB2018/000020 2017-01-18 2018-01-18 Endoscope muni d'une tête ayant un canal de travail pour guider des micro-instruments Ceased WO2018134671A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201890000259.8U CN210330523U (zh) 2017-01-18 2018-01-18 内窥镜

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017100866.7 2017-01-18
DE102017100866.7A DE102017100866B4 (de) 2017-01-18 2017-01-18 Endoskop mit einem Endoskopkopf mit einem Arbeitskanal zum Führen von Mikrowerkzeugen

Publications (1)

Publication Number Publication Date
WO2018134671A1 true WO2018134671A1 (fr) 2018-07-26

Family

ID=61599522

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2018/000020 Ceased WO2018134671A1 (fr) 2017-01-18 2018-01-18 Endoscope muni d'une tête ayant un canal de travail pour guider des micro-instruments

Country Status (3)

Country Link
CN (1) CN210330523U (fr)
DE (1) DE102017100866B4 (fr)
WO (1) WO2018134671A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436087A (en) * 1977-12-11 1984-03-13 Kabushiki Kaisha Medos Kenkyusho Bioptic instrument
JPH06189891A (ja) * 1992-12-25 1994-07-12 Olympus Optical Co Ltd 内視鏡
DE19627016C1 (de) 1996-07-04 1998-02-12 Etm Endotech Gmbh Medizintechn Flexibles Endoskop
JP2002000558A (ja) * 2000-06-26 2002-01-08 Asahi Optical Co Ltd 内視鏡の処置具起上装置
DE10334100A1 (de) * 2003-07-25 2005-03-03 Viktor Josef Wimmer Flexibles Endoskop mit längsaxialen Kanälen
DE10358817B3 (de) * 2003-12-16 2005-04-14 Olympus Winter & Ibe Gmbh Endoskop
US20070197871A1 (en) * 2006-02-21 2007-08-23 Boston Scientific Scimed, Inc. Positioning system for manipulating a channel within a medical device
JP2007215634A (ja) * 2006-02-15 2007-08-30 Fujinon Corp 体腔内検査装置
DE102012105370A1 (de) * 2012-06-20 2013-12-24 Karl Storz Gmbh & Co. Kg Endoskophülle, Endoskopanordnung und Verfahren zum Bereitstellen einer Endoskopanordnung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621509A1 (de) 1986-06-27 1988-03-03 Wolf Gmbh Richard Seitenblick-endoskop
JPH022558A (ja) * 1988-06-16 1990-01-08 Fujitsu Ltd マスクパターンの修正方法
JP2891086B2 (ja) 1994-01-07 1999-05-17 富士写真光機株式会社 体内検査装置の処置具挿通路
DE19727419C2 (de) 1997-06-27 2000-07-13 Wolf Gmbh Richard Endoskop
JP3894092B2 (ja) 2002-10-18 2007-03-14 フジノン株式会社 超音波内視鏡
US7753843B2 (en) 2006-05-09 2010-07-13 Boston Scientific Scimed, Inc. Medical device positioning system
US20070265494A1 (en) 2006-05-10 2007-11-15 Boston Scientific Scimed Inc. Flexible and retractable endoscope elevator

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436087A (en) * 1977-12-11 1984-03-13 Kabushiki Kaisha Medos Kenkyusho Bioptic instrument
JPH06189891A (ja) * 1992-12-25 1994-07-12 Olympus Optical Co Ltd 内視鏡
DE19627016C1 (de) 1996-07-04 1998-02-12 Etm Endotech Gmbh Medizintechn Flexibles Endoskop
JP2002000558A (ja) * 2000-06-26 2002-01-08 Asahi Optical Co Ltd 内視鏡の処置具起上装置
DE10334100A1 (de) * 2003-07-25 2005-03-03 Viktor Josef Wimmer Flexibles Endoskop mit längsaxialen Kanälen
DE10358817B3 (de) * 2003-12-16 2005-04-14 Olympus Winter & Ibe Gmbh Endoskop
JP2007215634A (ja) * 2006-02-15 2007-08-30 Fujinon Corp 体腔内検査装置
US20070197871A1 (en) * 2006-02-21 2007-08-23 Boston Scientific Scimed, Inc. Positioning system for manipulating a channel within a medical device
DE102012105370A1 (de) * 2012-06-20 2013-12-24 Karl Storz Gmbh & Co. Kg Endoskophülle, Endoskopanordnung und Verfahren zum Bereitstellen einer Endoskopanordnung

Also Published As

Publication number Publication date
CN210330523U (zh) 2020-04-17
DE102017100866A1 (de) 2018-07-19
DE102017100866B4 (de) 2024-05-08

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