WO2004045396A1 - オートクレーブ滅菌に対応する内視鏡 - Google Patents
オートクレーブ滅菌に対応する内視鏡 Download PDFInfo
- Publication number
- WO2004045396A1 WO2004045396A1 PCT/JP2003/014640 JP0314640W WO2004045396A1 WO 2004045396 A1 WO2004045396 A1 WO 2004045396A1 JP 0314640 W JP0314640 W JP 0314640W WO 2004045396 A1 WO2004045396 A1 WO 2004045396A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fiber
- yarn
- curved
- endoscope
- rubber
- Prior art date
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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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
-
- 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
-
- 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
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
-
- 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
- A61B1/005—Flexible endoscopes
- A61B1/008—Articulations
Definitions
- the present invention relates to an endoscope for autoclave sterilization in which a curved portion is continuously provided on a base end side of a distal end portion having an objective optical system.
- the bending portion of the endoscope is configured by connecting a plurality of bending pieces.
- a plurality of bending wires corresponding to the bending directions are passed through the insertion portion in order to perform the bending operation of the bending portion connecting these bending pieces.
- the bending portion bends, for example, upward.
- the outer circumference of a bending tube having a plurality of bending pieces constituting the bending portion is covered with a bending rubber. Both ends of the curved rubber are provided with thread winding fixings, respectively.
- the curved rubber is crushed in the inner circumferential direction by the thread winding fixing portion. For this reason, the inner peripheral surface of the curved rubber is tightly fixed to the outer peripheral surface of the curved tube in a watertight manner.
- the bobbin fixing portion is bonded and fixed with an adhesive. This prevents the yarn constituting the wound portion from unwinding.
- the endoscope having such a configuration, when performing the bobbin winding to form the bobbin fixing portion, the bobbin is wound with an arbitrary force. For this reason, the amount of crushing of the curved rubber in the inner circumferential direction may be increased.
- nylon yarn was used as a yarn for winding.
- the endoscope when the endoscope is subjected to autoclave sterilization, the endoscope is exposed to high-temperature and high-pressure steam, so that the curved rubber is softened. At this time, if the amount of the curved rubber crushed in the inner circumferential direction is large, the curved rubber may be cut and the watertight state may be broken.
- the yarn exposed to the high-temperature and high-pressure steam shrinks to cut the curved rubber, or the yarn is deteriorated by the high-temperature and high-pressure steam and cut. Watertightness could be destroyed.
- An endoscope of the present invention is provided at an elongated insertion portion, and performs a bending operation by remote control.
- An elastic covering member which is fixed to the distal end portion or the flexible tube portion by being tightened from an outer peripheral direction, wherein a thickness d of the covering member when being tightened and fixed, and a tightening and fixing of the covering member A relationship of 0.3 D ⁇ d and 1.0 D is set between the previous wall thickness D.
- FIG. 1 is an explanatory view showing an external structure of an endoscope
- FIG. 2 is a cross-sectional view of an insertion portion of the endoscope
- FIG. 3 is a cross-sectional view showing a connecting portion between the distal end side of the bending portion and the front cover
- FIG. 4 is a cross-sectional view showing a connecting portion between the proximal end side of the bending portion and the connecting pipe.
- FIG. 5 is a cross-sectional view showing a connecting portion between a distal end side of a curved portion and a distal end cover of an endoscope according to a second embodiment of the present invention.
- FIG. 6 to 8 are views for explaining a third embodiment of the present invention.
- FIG. 6 is a cross-sectional view of an insertion portion of an endoscope
- FIG. 7 is a connection between a distal end side of a bending portion and a distal end cover.
- FIG. 8 is a cross-sectional view showing a connecting portion between the proximal end side of the curved portion and the connecting pipe.
- the endoscope 1 mainly includes an insertion section 2, an operation section 7, and a universal cord 8.
- the insertion section 2 is formed in an elongated shape, and is inserted into a subject such as a body cavity.
- the operation section 7 is provided continuously to the proximal end side of the insertion section 2.
- the operating section 7 is formed to have a large diameter so as to also serve as a gripping section.
- the universal cord 8 has flexibility.
- the universal code 8 extends rearward from the operation unit 7.
- the insertion portion 2 is configured by sequentially connecting a distal end portion 20, a curved portion 30, and a flexible tube portion 60 in order from the distal end side.
- the distal end portion 20 is formed of a rigid member, and is provided with an objective optical system and the like on the distal end side.
- the bending portion 30 is configured to perform a bending operation by operating a later-described bending lever provided on the operation portion 7.
- the flexible tube section 60 is configured to have flexibility. Note that a hard tube may be used as the insertion section 2 instead of the flexible tube 60.
- the operating section 7 is provided with a bending lever 71 for remotely bending the bending section 30.
- the universal cord 8 extending from the operation unit 7 has a light guide fiber 1 for transmitting illumination light and a signal cable for transmitting various signals inserted therein.
- the universal cord 8 has a sufficiently long length with respect to the insertion section 2.
- a light guide connector 9 is provided at the base end of the universal cord 8. The light guide connector 9 is detachable from a light source device (not shown) which is one of external devices of the endoscope.
- a video cable 91 is branched from a side surface of the light guide connector 9.
- a video connector 92 is provided at the base end of the video cable 91.
- the video connector 92 is electrically detachable from a control device, which is one of the external devices of the endoscope, or a video processor (not shown), which is a signal processing device.
- the insertion section 2 of the endoscope 1 will be described in detail with reference to FIG. As shown in the figure, a light guide fiber 21 and an imaging unit 22 are provided inside the insertion section 2.
- the light guide fiber 21 transmits illumination light supplied from the light source device.
- the imaging unit 22 photoelectrically converts the observation image and transmits an electric signal to the video processor.
- the distal end portion 20 is mainly composed of a main body portion 23 and a distal end tubular member (hereinafter abbreviated as a distal end member) 24.
- the main body 23 is provided with an illumination lens 25, an objective lens 26 that constitutes the leading end of the imaging unit 22, and the like.
- the distal end face of the light guide fiber 21 faces the proximal end face of the illumination lens 25.
- An objective lens 26 of the imaging unit 22 is provided near the illumination lens 25.
- the distal end member 24 is fitted and disposed on the main body 23, and is integrally fixed by bonding.
- each of the main body 23 and the tip member 24 to be fitted and bonded thereto is subjected to, for example, glass bead treatment, atmospheric pressure low-temperature plasma treatment, or corona discharge treatment.
- the glass bead treatment By applying the glass bead treatment to the surface, fine irregularities are provided on the surface to improve the adhesive strength.
- the atmospheric pressure low-temperature plasma treatment or the corona discharge treatment to the surface, the wettability of the surface can be improved, and the adhesive strength can be improved. By improving the adhesive strength in this way, it is possible to ensure the adhesive strength and water tightness after autoclaving sterilization.
- a curved portion 30 is provided on the base end side of the distal end portion 20.
- the bending portion 30 has a bending tube 40 formed by connecting a plurality of bending pieces 41, 42 to 46 in series.
- the outer peripheral side of the curved tube 40 is covered with a curved rubber 31 made of, for example, fluoro rubber.
- the thickness dimension of the curved rubber 31 is, for example, in the range of 0.2 mm to 0.8 mm.
- the bending tube 40 is rotatably connected to each of the bending pieces 41, 42 to 46 by means of a rebate 47, and is provided on the outer peripheral side of the bending pieces 1, 42 to 46 in this connected state.
- Braided tubes (blades) 48 are coated.
- This blade 4 8 is made of stainless steel wire Alternatively, it is formed by weaving Kevlar strands. Both ends of the knitting tube 48 are fixed to the bending pieces 41 and 46 disposed at both ends of the bending tube 40 by soldering or bonding.
- tips of four bending operation wires 49 are fixed to the fixing portion 50 by means of lip bonding or soldering. You.
- the base ends of the four bending operation wires 49 are fixed to a part which is interlocked with the bending lever 71 in the operation part 7 shown in FIG. 1 or integrated with the bending lever 71. . Therefore, the bending portion 30 of the endoscope 1 is bent in, for example, up, down, left, and right directions by pulling the bending operation wire 49 through the bending lever 71.
- a wire receiver 51 that regulates the position of the bending operation wire 49 is fixed to the inner peripheral surface of the bending pieces 42, 43, 46 constituting the bending tube 40 by mouth bonding or soldering. ing.
- the bending operation wires 49 are arranged in the wire receivers 51 in common.
- a joint pipe 52 is provided on the base end side of the curved portion 30.
- a coil 53 for guiding the bending operation wire 49 is fixed to the inner surface of the connecting pipe 52. The bending operation wire 49 is inserted into the coil 53.
- yarns 32 and 33 are wound around both ends of the curved rubber 31 respectively. These threads 32, 33 crush the curved rubber 31 in the inner circumferential direction. As a result, the inner peripheral surface of the curved rubber 31 is in close contact with the outer surfaces of the distal end portion 20, the curved tube 40, and the connecting tube 52, and is fixed in a watertight manner. That is, the distal end portion 20 is connected to the distal end side of the bending tube 40 constituting the insertion portion 2, and the flexible tube portion 6 is connected to the proximal end side of the bending tube 40 via the joint pipe 52. 0 is concatenated.
- the yarns 32 and 33 include, for example, polybenzazole fiber, polyphenylene sulfide eyed fiber, aramide fiber, silicon carbide fiber, carbon fiber, silicon fiber, polyarylate fiber, ceramic yarn, titanium yarn, tungsten yarn, A polypropylene yarn or a mixed yarn using at least two types of the above yarns.
- a portion where the yarns 32 and 33 are wound (hereinafter referred to as a yarn winding portion)
- This thickness d is the thickness D of the natural curved rubber 3 1,
- the thickness D is set in the range of 0.4 D ⁇ d ⁇ 0.95 D.
- the ends of the yarn winding portions 34 and 35 are provided at positions spaced from the end of the curved rubber 31 by, for example, 1 to 2 times the outer diameter of the yarns 32 and 33. ing.
- the end of the curved rubber 31 is a step end face 27 of a tip 20 and a joint pipe.
- the yarns 32, 33 of the yarn winding portions 34, 35 are bonded and fixed by adhesives 36, 37.
- the adhesives 36 and 37 When the adhesives 36 and 37 are hardened, for example, they may be cured in an atmosphere at the same temperature as the sterilization temperature at the time of autoclaving, for example, at 110 to 140 degrees. Good.
- the endoscope 1 configured as described above was put into an autoclave device, and it was checked whether or not the watertight state at both ends of the curved rubber 31 was broken.
- the conditions for autoclave sterilization at this time are as follows: the temperature in the sterilization process is set at 135 ° C, and the time of the sterilization process is set at 5 minutes. Further, the thread winding portions 3 4, 3 5 with respect to the material of the curved rubber 31, the thickness of the curved rubber 31, the thickness of the curved rubber 31 when wound, and the thickness of the curved rubber 31 in the natural state Table 1 shows the thickness ratio of the curved rubber 31, the material of the yarn, and the outer diameter of the yarn. 1]
- the presence or absence of watertight breakage after 100 injections into the autoclave unit is as shown in Table 1.
- Table 1 when the ratio of the thickness of the curved rubber 31 in the wound portion to the thickness of the curved rubber 31 in the natural state is 40% to 95%, there is no watertight failure. However, when the ratio of the thickness of the curved rubber 31 at the thread winding portion to the natural thickness of the curved rubber 31 was out of the range of 40% to 95%, the watertight state was not secured.
- the presence or absence of watertightness was determined by checking the presence or absence of air leak when the pressure inside the endoscope 1 was set to 4.9 ⁇ 10 4 Pa.
- the curved portion is formed. Prevents the bending motion of the endoscope from being hindered by the bending rubber 31, prevents water from entering the endoscope, and causes a large amount of high-temperature and high-pressure steam to flow into the endoscope when it enters the autoclave. To prevent entry. Thus, it is possible to prevent the components inside the endoscope from being deteriorated by high-temperature and high-pressure steam during autoclave sterilization.
- the thickness of the curved rubber 31 of the pegs 34 and 35 is set to be 40% or more of the thickness of the curved rubber in a natural state.
- the curved rubber 31 is not tightened more than necessary by the threads 3 2 and 3 3. That is, the pressure applied to the curved rubber 31 by the yarns 32 and 33 is prevented from being increased more than necessary.
- the thickness of the curved rubber 31 is set to 95% or less of the thickness of the curved rubber in the natural state.
- yarns 32 and 33 are made of polybenzazole fiber, polyphenylene sulfide fiber, aramide fiber, silicon carbide fiber, carbon fiber, silicon fiber, polyarylate fiber, ceramic yarn, titanium yarn, and tungsten yarn. , Polypropylene yarn, or a blended yarn using at least two of the above yarns, so that the yarn 32, 33 itself due to high-temperature and high-pressure steam during autoclave sterilization The amount of shrinkage is small, and the yarns 32 and 33 themselves do not deteriorate.
- the curved rubber 31 is prevented from being tightened more than necessary by the threads 32, 33, when autoclave sterilization is performed, It is possible to reliably prevent the curved rubber 31 from being cut off due to soft bending.
- the amount of shrinkage of the threads 32 and 33 is small during autoclave sterilization, it is possible to prevent the curved rubber 31 from being cut.
- the yarns 32 and 33 it is possible to prevent the yarns 32 and 33 from deteriorating and breaking the watertight state.
- a tape made of a thermosetting resin, a thermoplastic resin, or an elastomer may be wrapped to fix both ends of the curved rubber 31 in a watertight manner.
- the following configuration of the endoscope 101 of the second embodiment is different from that of the endoscope 1 of the first embodiment.
- a pipe-shaped buffer member 1 38 is provided on the outer surfaces of both ends of the curved rubber 13 1.
- a thread 1 32 is wound around the outer surface of the cushioning member 1 38.
- the thread 13 2 crushes the curved rubber 13 1 in the inner circumferential direction via the cushioning member 13 38. Then, the cushioning member 1338 and the thread 1332 are adhered and fixed by an adhesive 1336.
- the inner peripheral surface of the curved rubber 13 1 is formed outside the internal structure 15 4, such as the tip portion 20, the curved tube 40, the connecting pipe 52 shown in FIG. It comes into close contact with the surface and is fixed watertight.
- the thickness of the curved rubber 131 at the portion where the thread 132 is wound is 40% to 9% of the thickness of the curved rubber 131 in the natural state. It is wound with the specified capacity to be 5%.
- the buffer member 138 is made of, for example, a thin pipe-shaped member, a C-ring-shaped member in which at least a part of the pipe-shaped member is separated, or a tape.
- the cushioning member 138 is made of, for example, any one of a metal member, a metal-coated glass member, a thermosetting resin member, a thermoplastic resin member, a rubber member, and an elastomer. Is done.
- the curved rubber 13 1 can be crushed uniformly in the longitudinal direction in the inner circumferential direction. Watertightness can be further improved.
- the pressure (force) applied to the curved rubber 1 3 1 is made uniform, the pressure applied to the curved rubber 1 3 1 varies, preventing the curved rubber 1 3 1 from being cut by a large part of the pressure. Can be.
- the distal end portion 220 of the insertion section 202 of the endoscope 201 is composed of a main body portion 223 and a distal end cover 224.
- the outer diameter from the tip side of the tip portion 220 to the portion covered with the curved rubber 231 is larger than the inner diameter of the curved rubber 231 in the natural state, and the curved rubber 231 in the natural state. It is set smaller than the outer diameter of
- the outer diameter of the portion of the connecting pipe 252 of the insertion portion 202 that is covered with the curved rubber 231, is larger than the inner diameter of the curved rubber 231, which is in a natural state.
- the outer diameter of the curved rubber 2 3 1 is set to be smaller.
- the fixed pipes 23, 23 are made of, for example, a metal member, a member obtained by applying a glass coating to a metal, a thermosetting resin member, a thermoplastic resin member, a rubber member, an elastomer, or the like. is there.
- the operation of arranging the fixed pipes 2 3 2 and 2 3 3 on the outer surface of the curved rubber 2 3 1 is performed by pulling the curved rubber 2 3 1 in the longitudinal direction, and This is carried out by putting 2 3 2 and 2 3 3 on the end of the curved rubber 2 3 1, and then stopping pulling the curved rubber 2 3 1.
- the fixed pipes 2 3 and 2 3 3 are arranged at predetermined positions of the curved rubber 2 3 1.
- the curved rubber 2 31 is pulled, the curved rubber 2 3 1 is restricted so that portions other than the portion where the fixed pipes 2 3 and 2 3 3 are covered are stretched. Wrap a thick adhesive tape around the outer surface of 1.
- the work of attaching the fixed pipes 2 3 2 and 2 3 3 on the outer surface of the curved rubber 2 3 1 is performed, for example, by attaching the fixed pipes 2 3 2 and 2 3 3 to a predetermined position of the curved rubber 2 3 1. It may be arranged by arranging and, in this state, crushing the fixed pipes 23, 23 from the outer peripheral direction.
- the endoscope 201 configured as described above was put into an autoclave device, and it was confirmed whether or not the watertight state at both ends of the curved rubber 2321 was broken.
- the conditions for autoclave sterilization at this time are as follows: the temperature in the sterilization process is set at 135 ° C, and the time of the sterilization process is set at 5 minutes.
- the material of the curved rubber 231, the thickness of the bay curved rubber 231, the thickness of the curved rubber 231 at the portion covered by the fixed pipes 23, 23, and the nature of the curved rubber 2311 Table 2 shows the ratio of the thickness of the curved rubber 2 3 1 at the portion covered by the fixed pipes 2 3 2 and 2 3 3 to the wall thickness in the state, and the material of the fixed pipes 2 3 and 2 3 3. 2]
- the presence or absence of watertight breakage after 100 injections into the autoclave device is as described in Table 2.
- Table 2 the ratio of the thickness of the curved rubber 2 3 1 in the portion covered by the fixed pipes 2 3 2 and 2 3 3 to the thickness of the curved rubber 2 When it is between 40% and 90%, there is no watertight breakage.
- the ratio of the thickness of the curved rubber 231, at the portion covered by the fixed pipes 23, 23, to the thickness of the curved rubber 231, in the natural state is 40% to 90%. When it was out of the range, watertightness was not secured.
- the ratio of the thickness of the curved rubber 231, where the fixed pipes 23, 23 are covered, to the thickness of the curved rubber 231, in the natural state, is 40% to 90%.
- to% it is possible to prevent the bending operation of the bending portion from being hindered by the bending rubber 231, prevent water from entering the endoscope, and put it into the autoclave device. O Prevents a large amount of high-temperature, high-temperature, high-pressure steam from entering the endoscope.
- the fixing pipes 23 2 and 23 3 of the fixing means may be a C-ring pipe formed by separating at least a part of a thin pipe shape.
- a fixing means similar to the fixing pipes 23, 23 there is a means for winding a tape around the surface of the curved rubber 3331.
- a member such as a thermosetting resin, a thermoplastic resin, or an elastomer can be used for the tape.
- the curved rubber 231 in addition to the operation of the first embodiment, since the curved rubber 231 is crushed in the inner circumferential direction by the fixed pipes 23, 23, 33, On the other hand, the curved rubber 2 3 1 can be crushed uniformly. In addition, the amount of crushing of the curved rubber 231, can be set accurately and easily by the inner diameter.
- the third embodiment in addition to the effects of the first and second embodiments, it is possible to accurately and uniformly crush the curved rubber 231 in the longitudinal direction in the inner circumferential direction. it can. Thereby, the watertightness can be further improved. Further, in the third embodiment, the pressure (force) applied to the curved rubber 231 is made uniform, so that the pressure applied to the curved rubber 231 varies, and the curved rubber 2 1 can be prevented from breaking.
- the endoscope is configured such that the thickness d of the tightened and fixed curved rubber is 0.4 D ⁇ d ⁇ with respect to the thickness D of the curved rubber in a natural state before the fastening and fixing. Although it is set in the range of 0.95 D, if the thickness d is in the range of 0.3 D ⁇ d ⁇ l. 0 D with respect to the thickness D, at least some degree of bending rubber and bending of the bending portion The effect of preventing the destruction of the rubber fixing means can be obtained. Industrial applicability
- the endoscope according to the present invention reliably prevents breakage of the curved rubber of the curved portion and the curved rubber fixing means and ensures a watertight state when inserted into the autoclave device.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03811528A EP1563784B1 (en) | 2002-11-18 | 2003-11-18 | Endoscope coping with autoclave sterilization |
AT03811528T ATE525949T1 (de) | 2002-11-18 | 2003-11-18 | Im autoklaven sterilisierbares endoskop |
US11/122,574 US7833154B2 (en) | 2002-11-18 | 2005-05-05 | Autoclave sterilization-compatible endoscope |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-334266 | 2002-11-18 | ||
JP2002334266A JP3957288B2 (ja) | 2002-11-18 | 2002-11-18 | 内視鏡 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/122,574 Continuation US7833154B2 (en) | 2002-11-18 | 2005-05-05 | Autoclave sterilization-compatible endoscope |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004045396A1 true WO2004045396A1 (ja) | 2004-06-03 |
Family
ID=32321722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/014640 WO2004045396A1 (ja) | 2002-11-18 | 2003-11-18 | オートクレーブ滅菌に対応する内視鏡 |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP1563784B1 (ja) |
JP (1) | JP3957288B2 (ja) |
AT (1) | ATE525949T1 (ja) |
WO (1) | WO2004045396A1 (ja) |
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JP3957288B2 (ja) * | 2002-11-18 | 2007-08-15 | オリンパス株式会社 | 内視鏡 |
JP5033306B2 (ja) * | 2004-12-17 | 2012-09-26 | Hoya株式会社 | 挿入部可撓管の製造方法、挿入部可撓管および内視鏡 |
JP4589714B2 (ja) * | 2004-12-17 | 2010-12-01 | Hoya株式会社 | 外皮固定方法、内視鏡用可撓管および内視鏡 |
JP2006340909A (ja) * | 2005-06-09 | 2006-12-21 | Pentax Corp | 内視鏡用緊縛糸、外皮固定方法、内視鏡用可撓管および内視鏡 |
US8206286B2 (en) | 2005-03-25 | 2012-06-26 | Hoya Corporation | Tightening string for an endoscope, outer cover securing method, flexible tube for an endoscope, and an endoscope |
JP4786320B2 (ja) * | 2005-12-06 | 2011-10-05 | オリンパスメディカルシステムズ株式会社 | 内視鏡 |
JP2008018014A (ja) * | 2006-07-12 | 2008-01-31 | Olympus Medical Systems Corp | 内視鏡湾曲部用帯状部材 |
JP5244304B2 (ja) * | 2006-09-21 | 2013-07-24 | Hoya株式会社 | 内視鏡の挿入部 |
EP1920707B1 (en) * | 2006-11-09 | 2010-10-13 | Olympus Medical Systems Corp. | Bending portion of insertion of endoscope and endoscope provided with insertion part including bending portion |
JP4257376B2 (ja) * | 2006-11-09 | 2009-04-22 | オリンパスメディカルシステムズ株式会社 | 内視鏡 |
JP2009089908A (ja) * | 2007-10-09 | 2009-04-30 | Olympus Medical Systems Corp | 内視鏡 |
JP2009195456A (ja) * | 2008-02-21 | 2009-09-03 | Hoya Corp | 内視鏡の湾曲部構造 |
FR2933289A1 (fr) * | 2008-07-03 | 2010-01-08 | Mathias Lubin | Videoendoscope |
KR101493382B1 (ko) * | 2009-01-14 | 2015-02-13 | 삼성전자 주식회사 | 로봇 |
WO2011083217A2 (fr) | 2010-01-06 | 2011-07-14 | Mathias Lubin | Videoendoscope |
JP5596469B2 (ja) * | 2010-08-23 | 2014-09-24 | オリンパス株式会社 | 帯状部材と、この帯状部材によって外皮を湾曲部に固定する固定方法 |
US9272128B2 (en) | 2012-01-31 | 2016-03-01 | Boston Scientific Scimed, Inc. | Methods and systems for attaching medical device sections |
EP2959823A4 (en) * | 2013-06-19 | 2017-06-21 | Olympus Corporation | Endoscope |
JP6460928B2 (ja) * | 2015-06-30 | 2019-01-30 | オリンパス株式会社 | 挿入装置 |
JP6590450B2 (ja) * | 2016-07-13 | 2019-10-16 | オリンパス株式会社 | 内視鏡挿入部及び内視鏡 |
EP3669746A1 (en) * | 2018-12-21 | 2020-06-24 | Ambu A/S | An articulated tip part for an endoscope |
US11105973B2 (en) | 2019-01-11 | 2021-08-31 | Schott Corporation | Optically enhanced high resolution image guides |
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JPS6389138A (ja) * | 1986-10-03 | 1988-04-20 | オリンパス光学工業株式会社 | 内視鏡用弯曲管外皮 |
JPH0640173B2 (ja) * | 1987-02-05 | 1994-05-25 | オリンパス光学工業株式会社 | 内視鏡 |
JP3181331B2 (ja) * | 1991-10-04 | 2001-07-03 | 株式会社町田製作所 | 内視鏡 |
DE10102433B4 (de) * | 2000-01-21 | 2008-07-10 | Pentax Corp. | Flexibles Rohr für ein Endoskop |
JP3957288B2 (ja) * | 2002-11-18 | 2007-08-15 | オリンパス株式会社 | 内視鏡 |
-
2002
- 2002-11-18 JP JP2002334266A patent/JP3957288B2/ja not_active Expired - Lifetime
-
2003
- 2003-11-18 WO PCT/JP2003/014640 patent/WO2004045396A1/ja active Application Filing
- 2003-11-18 EP EP03811528A patent/EP1563784B1/en not_active Expired - Lifetime
- 2003-11-18 EP EP11003869.2A patent/EP2356934B1/en not_active Expired - Lifetime
- 2003-11-18 AT AT03811528T patent/ATE525949T1/de not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6314806Y2 (ja) * | 1979-01-30 | 1988-04-26 | ||
JPH1099263A (ja) * | 1996-09-27 | 1998-04-21 | Olympus Optical Co Ltd | 内視鏡用可撓管 |
JPH10262905A (ja) * | 1997-03-26 | 1998-10-06 | Fuji Photo Optical Co Ltd | 内視鏡 |
JP2002125916A (ja) * | 2000-10-27 | 2002-05-08 | Olympus Optical Co Ltd | 内視鏡 |
Also Published As
Publication number | Publication date |
---|---|
EP2356934B1 (en) | 2018-01-24 |
EP1563784A4 (en) | 2009-04-29 |
JP3957288B2 (ja) | 2007-08-15 |
EP1563784B1 (en) | 2011-09-28 |
EP2356934A1 (en) | 2011-08-17 |
ATE525949T1 (de) | 2011-10-15 |
EP1563784A1 (en) | 2005-08-17 |
EP2356934A8 (en) | 2011-11-16 |
JP2004166840A (ja) | 2004-06-17 |
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