JP5046580B2 - Endoscope treatment instrument insertion channel cleaning plug - Google Patents

Endoscope treatment instrument insertion channel cleaning plug Download PDF

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JP5046580B2
JP5046580B2 JP2006204247A JP2006204247A JP5046580B2 JP 5046580 B2 JP5046580 B2 JP 5046580B2 JP 2006204247 A JP2006204247 A JP 2006204247A JP 2006204247 A JP2006204247 A JP 2006204247A JP 5046580 B2 JP5046580 B2 JP 5046580B2
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treatment instrument
instrument insertion
lid
insertion channel
endoscope
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JP2008029456A (en
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矢寿子 石井
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Hoya Corp
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    • 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
    • A61B1/00131—Accessories for endoscopes
    • A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
    • 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
    • A61B1/12—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 with cooling or rinsing arrangements
    • A61B1/121—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 with cooling or rinsing arrangements provided with means for cleaning post-use
    • A61B1/125—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 with cooling or rinsing arrangements provided with means for cleaning post-use using fluid circuits
    • 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

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  • Optics & Photonics (AREA)
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  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)

Description

この発明は内視鏡の処置具挿通チャンネル洗浄用栓体に関する。   The present invention relates to a treatment instrument insertion channel cleaning plug for an endoscope.

内視鏡は一回使用する度に洗浄消毒され、その際に、内視鏡内に配置された処置具挿通チャンネル内も通水洗浄される。そのような処置具挿通チャンネルに連通して開口する処置具挿入口部には通常は鉗子栓が取り付けられているが、内視鏡が洗浄消毒される際には、鉗子栓は単体で洗浄消毒するために取り外され、それに代えて弾力性のある部材からなる洗浄用栓体が処置具挿入口部に嵌め込み係合される（例えば、特許文献１）。
特開平８−３０８７９７ The endoscope is cleaned and disinfected each time it is used, and at that time, the treatment instrument insertion channel disposed in the endoscope is also flushed with water. A forceps plug is usually attached to the treatment tool insertion port that opens to communicate with such a treatment tool insertion channel. However, when the endoscope is cleaned and disinfected, the forceps plug is cleaned and disinfected alone. Therefore, a cleaning plug made of a resilient member is inserted into and engaged with the treatment instrument insertion port (for example, Patent Document 1).
JP-A-8-308797

特許文献１に記載された洗浄用栓体には、処置具挿入口内の圧力が増大した時に洗浄用栓体が処置具挿入口部から外れるのを防止するようリーク孔が形成されていて、洗浄液をリーク孔から外方に噴出させて圧力を逃がすようにしている。   The cleaning plug described in Patent Document 1 is formed with a leak hole so as to prevent the cleaning plug from being detached from the treatment instrument insertion port when the pressure in the treatment instrument insertion port increases. Is ejected outward from the leak hole to release the pressure.

しかし、リーク孔から洗浄液が噴出すると、洗浄液が周囲の広い範囲に飛び散ってしまう恐れがある。そこで、リーク孔から噴出した洗浄液がぶつかる鍔等を設けることが考えられるが、単純にそのように構成すると、今度はリーク孔の出口と鍔等との間の隙間部分に付着した汚れを洗浄するのが困難になってしまう恐れがある。   However, when the cleaning liquid is ejected from the leak hole, the cleaning liquid may be scattered over a wide area around it. Therefore, it is conceivable to provide a soot or the like that the cleaning liquid ejected from the leak hole collides, but if it is simply configured in this way, this time, the dirt adhering to the gap portion between the leak hole outlet and the soot or the like is washed. There is a risk that it will be difficult.

そこで本発明は、リーク孔から噴出する洗浄液が周囲に飛び散らず、しかもリーク孔周辺に付着した汚れの洗浄も容易な内視鏡の処置具挿通チャンネル洗浄用栓体を提供することを目的とする。   Accordingly, an object of the present invention is to provide a treatment instrument insertion channel cleaning plug body for an endoscope in which the cleaning liquid ejected from the leak hole does not scatter and the dirt attached to the periphery of the leak hole can be easily cleaned. .

上記の目的を達成するため、本発明の内視鏡の処置具挿通チャンネル洗浄用栓体は、内視鏡内に配置された吸引チャンネル兼用の処置具挿通チャンネル内を通水洗浄する際に、処置具挿通チャンネルに連通して開口する処置具挿入口部に着脱自在に取り付けられる内視鏡の処置具挿通チャンネル洗浄用栓体であって、弾性変形させて処置具挿入口部に嵌め込み係合される筒状部と、筒状部が処置具挿入口部に係合した状態のときに処置具挿入口に面するように筒状部の外端部を塞ぐ状態に形成された天井壁部とが、弾力性のある部材により一体に形成されて、天井壁部にリーク孔が貫通形成されたものにおいて、筒状部から延出する連結帯部と、リーク孔の開口部を外側から覆うために連結帯部の他端側に形成された蓋状部とを、弾力性のある部材により筒状部と一体に形成すると共に、連結帯部を弾性変形させて蓋状部がリーク孔の開口部を外側から覆う状態を固定及び固定解除することができる蓋状部固定手段を設けたものである。   In order to achieve the above-described object, the treatment instrument insertion channel cleaning plug of the endoscope of the present invention is used to wash water through the treatment instrument insertion channel also serving as a suction channel disposed in the endoscope. A treatment instrument insertion channel cleaning plug for an endoscope that is detachably attached to a treatment instrument insertion opening that communicates with and opens the treatment instrument insertion channel, and is elastically deformed and fitted into the treatment instrument insertion opening. And a ceiling wall portion formed so as to close the outer end portion of the cylindrical portion so as to face the treatment instrument insertion port when the cylindrical portion is engaged with the treatment instrument insertion port portion Are integrally formed of a resilient member and have a leak hole penetrating through the ceiling wall portion, and the connection band portion extending from the tubular portion and the opening portion of the leak hole are covered from the outside. Therefore, the lid-like part formed on the other end side of the connecting band part is made elastic. Provided with a lid-shaped part fixing means that can be integrally formed with the cylindrical part by a member, and can fix and release the state in which the lid part covers the opening of the leak hole from the outside by elastically deforming the connecting band part It is a thing.

なお、蓋状部固定手段が、筒状部付近と蓋状部付近とに各々形成されたリング通し孔にまたがって取り外し可能に通される連結リングであってもよく、或いは、蓋状部固定手段が、蓋状部から連結帯部と反対側に延出する延長帯部の先端に蓋状部等と一体に形成されて処置具挿入口部の基部に係脱可能に係合する環状部であってもよい。   The lid-like portion fixing means may be a connecting ring that is detachably passed through ring through holes formed in the vicinity of the cylindrical portion and the vicinity of the lid-like portion, or the lid-like portion fixing means. An annular portion formed integrally with the lid-like portion at the distal end of the extension band portion extending from the lid-like portion to the opposite side of the connecting band portion and detachably engaged with the base portion of the treatment instrument insertion port portion It may be.

本発明によれば、処置具挿入口部に着脱自在な筒状部から延出する連結帯部と、天井壁部に貫通形成されたリーク孔の開口部を外側から覆うために連結帯部の他端側に形成された蓋状部とを、弾力性のある部材により筒状部と一体に形成すると共に、連結帯部を弾性変形させて蓋状部がリーク孔の開口部を外側から覆う状態を固定及び固定解除することができる蓋状部固定手段を設けたことにより、蓋状部がリーク孔の開口部を外側から覆う状態を固定してリーク孔から噴出する洗浄液が周囲に飛び散らないようにすることができると共に、蓋状部がリーク孔の開口部を外側から覆う状態を解除してリーク孔周辺に付着した汚れを容易に洗浄することができる。   According to the present invention, in order to cover the connection band part extending from the tubular part detachably attached to the treatment instrument insertion port part and the opening of the leak hole formed through the ceiling wall part from the outside, The lid-like part formed on the other end side is formed integrally with the cylindrical part by an elastic member, and the connecting band part is elastically deformed so that the lid-like part covers the opening of the leak hole from the outside. By providing a lid-shaped part fixing means that can fix and release the state, the cleaning liquid ejected from the leak hole is not scattered around by fixing the state where the cover part covers the opening of the leak hole from the outside. In addition, the state in which the lid-like portion covers the opening of the leak hole from the outside can be released, and the dirt attached to the periphery of the leak hole can be easily cleaned.

内視鏡内に配置された吸引チャンネル兼用の処置具挿通チャンネル内を通水洗浄する際に、処置具挿通チャンネルに連通して開口する処置具挿入口部に着脱自在に取り付けられる内視鏡の処置具挿通チャンネル洗浄用栓体であって、弾性変形させて処置具挿入口部に嵌め込み係合される筒状部と、筒状部が処置具挿入口部に係合した状態のときに処置具挿入口に面するように筒状部の外端部を塞ぐ状態に形成された天井壁部とが、弾力性のある部材により一体に形成されて、天井壁部にリーク孔が貫通形成されたものにおいて、筒状部から延出する連結帯部と、リーク孔の開口部を外側から覆うために連結帯部の他端側に形成された蓋状部とを、弾力性のある部材により筒状部と一体に形成すると共に、連結帯部を弾性変形させて蓋状部がリーク孔の開口部を外側から覆う状態を固定及び固定解除することができる蓋状部固定手段を設ける。   An endoscope that is detachably attached to a treatment instrument insertion port that opens to communicate with a treatment instrument insertion channel when water is passed through a treatment instrument insertion channel that is also used as a suction channel disposed in the endoscope. A treatment instrument insertion channel cleaning plug, which is elastically deformed and fitted into and engaged with the treatment instrument insertion port, and the treatment is performed when the cylindrical part is engaged with the treatment instrument insertion port. The ceiling wall portion formed so as to close the outer end portion of the cylindrical portion so as to face the tool insertion opening is integrally formed by an elastic member, and a leak hole is formed through the ceiling wall portion. The connecting band part extending from the cylindrical part and the lid-like part formed on the other end side of the connecting band part in order to cover the opening of the leak hole from the outside are formed by an elastic member. It is formed integrally with the cylindrical part, and the lid is fixed by elastically deforming the connecting band part. Providing a cover-like portion fixing means can be fixed and unlocking a state of covering the opening portion of the click hole from the outside.

図面を参照して本発明の実施例を説明する。
図５において、１は内視鏡の操作部であり、その下端部に挿入部２の基端が連結されている。操作部１から後方に延出する連結可撓管３の先端には、図示されていない光源装置に接続されるコネクタ部４が取り付けられている。 Embodiments of the present invention will be described with reference to the drawings.
In FIG. 5, 1 is an operation part of an endoscope, and the base end of the insertion part 2 is connected to the lower end part thereof. A connector portion 4 connected to a light source device (not shown) is attached to the distal end of the connecting flexible tube 3 extending rearward from the operation portion 1.

挿入部２内には、可撓性チューブからなる処置具挿通チャンネル５が全長にわたって挿通配置されている。処置具挿通チャンネル５は吸引チャンネルを兼用しており、挿入部２の先端に開口形成された吸引口６に連通接続されている。   In the insertion portion 2, a treatment instrument insertion channel 5 made of a flexible tube is inserted and disposed over the entire length. The treatment instrument insertion channel 5 also serves as a suction channel, and is connected to a suction port 6 formed at the distal end of the insertion portion 2.

挿入部２との境界部に近い操作部１の下端部付近には、図示されていない処置具類を処置具挿通チャンネル５内に挿入する際の入口である処置具挿入口金７（処置具挿入口部）が、処置具挿入口８を斜め上方に向けて開口させた状態に突設されている。   In the vicinity of the lower end of the operation unit 1 near the boundary with the insertion unit 2, a treatment instrument insertion cap 7 (treatment instrument insertion) that is an entrance when a treatment instrument (not shown) is inserted into the treatment instrument insertion channel 5. The mouth portion) is provided so as to project the treatment instrument insertion port 8 obliquely upward.

また、操作部１の下端付近において、吸引接続管９が処置具挿通チャンネル５から分岐接続されていて、その吸引接続管９の他端側は、操作部１の上半部に配置された吸引操作弁１０に接続されている。   Further, in the vicinity of the lower end of the operation unit 1, the suction connection tube 9 is branched and connected from the treatment instrument insertion channel 5, and the other end side of the suction connection tube 9 is a suction disposed in the upper half of the operation unit 1. It is connected to the operation valve 10.

そして、連結可撓管３内に挿通配置された吸引チューブ１１の一端が操作部１内で吸引操作弁１０に接続され、他端側は、図示されていない外部吸引装置と接続するためにコネクタ部４に配置された吸引口金１２に接続されている。   Then, one end of the suction tube 11 inserted and arranged in the connecting flexible tube 3 is connected to the suction operation valve 10 in the operation section 1, and the other end is a connector for connecting to an external suction device (not shown). It is connected to the suction cap 12 arranged in the part 4.

処置具挿入口金７には、通常はいわゆる鉗子栓（図示せず）が取り付けられているが、内視鏡使用後の洗浄消毒時には、処置具挿入口金７から鉗子栓が取り外され、それに代えて、処置具挿入口８を塞ぐための洗浄用栓体２０が処置具挿入口金７に取り付けられる。   A so-called forceps plug (not shown) is usually attached to the treatment instrument insertion base 7, but when cleaning and disinfecting after use of the endoscope, the forceps stopper is removed from the treatment instrument insertion base 7, instead. A cleaning plug 20 for closing the treatment instrument insertion port 8 is attached to the treatment instrument insertion base 7.

そして、例えば図示されていない洗浄液注入器等を吸引口金１２に接続して吸引口金１２から吸引チューブ１１に洗浄液を注入することにより、吸引チューブ１１、吸引接続管９及び処置具挿通チャンネル５内の全経路を通水洗浄することができる。   For example, by connecting a cleaning liquid injector (not shown) to the suction base 12 and injecting the cleaning liquid from the suction base 12 to the suction tube 11, the suction tube 11, the suction connection pipe 9, and the treatment instrument insertion channel 5 All routes can be washed with water.

図１は、処置具挿入口金７に本発明の第１の実施例の洗浄用栓体２０が取り付けられた状態の側面断面図、図２と図３は連結リング３０が外された状態の洗浄用栓体２０単体の側面断面図と平面図であり、洗浄用栓体２０は、連結リング３０（蓋状部固定手段）を除く全ての部分が、ゴム材等のような弾力性のある部材によって一体に形成されている。   FIG. 1 is a side sectional view showing a state in which the cleaning plug 20 according to the first embodiment of the present invention is attached to the treatment instrument insertion base 7, and FIGS. 2 and 3 show cleaning in a state in which the connecting ring 30 is removed. FIG. 2 is a side sectional view and a plan view of a single plug body 20, and a cleaning plug body 20 is an elastic member such as a rubber material in which all parts except a connection ring 30 (lid-shaped portion fixing means) are provided. Are integrally formed.

処置具挿入口金７を囲む状態になる略円筒状の筒状部２１の内面部には、弾性変形させることで、処置具挿入口金７に形成された円周溝７ａに着脱自在に嵌め込み係合される係合突起部２３が内方に向けて突出形成されている。   The inner surface of the substantially cylindrical tubular portion 21 that surrounds the treatment instrument insertion base 7 is detachably fitted into a circumferential groove 7a formed in the treatment instrument insertion base 7 by elastic deformation. The engaging projection 23 is formed so as to protrude inward.

係合突起部２３は、図１に示されるように処置具挿入口金７の円周溝７ａに係合した状態では、処置具挿入口金７の円周溝７ａの外周面を弾力的に締め付けてシールした状態になり、それによって洗浄用栓体２０が処置具挿入口金７に固定された状態になる。なお、図１には係合突起部２３が弾性変形していない状態の形状が図示されている。   As shown in FIG. 1, the engaging protrusion 23 elastically tightens the outer peripheral surface of the circumferential groove 7 a of the treatment instrument insertion base 7 in a state of being engaged with the circumferential groove 7 a of the treatment instrument insertion base 7. It will be in the state sealed, and the stopper 20 for washing | cleaning will be in the state fixed to the treatment tool insertion base 7 by it. FIG. 1 shows a shape in a state where the engagement protrusion 23 is not elastically deformed.

筒状部２１の上端部は、洗浄用栓体２０が処置具挿入口金７に取り付けられた状態の時に処置具挿入口８に面する天井壁部２４になっていて、その中央位置にリーク孔２５が天井壁部２４の内外を連通させる状態に処置具挿入口８の軸線方向に真っ直ぐに貫通形成されている。リーク孔２５は、処置具挿入口８内の圧力が増大した時に洗浄液等を外方に噴出させて圧力を逃がす作用をする。   The upper end portion of the cylindrical portion 21 is a ceiling wall portion 24 facing the treatment instrument insertion port 8 when the cleaning plug 20 is attached to the treatment instrument insertion base 7, and a leak hole is formed at the center position thereof. 25 is formed to penetrate straight in the axial direction of the treatment instrument insertion port 8 so that the inside and outside of the ceiling wall portion 24 communicate with each other. The leak hole 25 acts to relieve pressure by ejecting a cleaning liquid or the like outward when the pressure in the treatment instrument insertion port 8 increases.

また、筒状部２１の外面から側方に延出する連結帯部２６の先端に形成された蓋状部２７が、連結帯部２６を中間部分で折り返された状態に弾性変形させることにより、天井壁部２４との間に若干の隙間をあけてリーク孔２５の外面を覆う状態になる。   Further, the lid-like part 27 formed at the tip of the connecting band part 26 extending laterally from the outer surface of the cylindrical part 21 elastically deforms the connecting band part 26 in a state folded at the intermediate part, A slight gap is left between the ceiling wall portion 24 and the outer surface of the leak hole 25.

そして、筒状部２１の外面から連結帯部２６と逆方向に小さく突出する舌状部２１Ａと蓋状部２７側とに形成された二つのリング通し孔２８，２９にまたがって金属製の連結リング３０を通すことにより、蓋状部２７がリーク孔２５の開口部を覆う状態を図１に示されるように固定することができる。   Then, a metallic connection is made across the two ring through holes 28 and 29 formed on the side of the tongue-like portion 21A and the lid-like portion 27 that protrudes in the opposite direction to the connecting band portion 26 from the outer surface of the tubular portion 21. By passing the ring 30, the state where the lid 27 covers the opening of the leak hole 25 can be fixed as shown in FIG. 1.

連結リング３０はバネ性のある金属材等により略Ｃ字状に形成されていて、弾性変形させることにより通し孔２８，２９に係脱させることができ、図４に示されるように、洗浄消毒時に吸引操作弁１０とその隣の送気送水操作弁部分に取り付けられる着脱蓋４０を鎖４１等で連結するのに連結リング３０を利用してもよい。   The connection ring 30 is formed in a substantially C shape by a metal material having a spring property, and can be engaged with and disengaged from the through holes 28 and 29 by elastic deformation. As shown in FIG. Sometimes the connection ring 30 may be used to connect the detachable lid 40 attached to the suction operation valve 10 and the adjacent air / water supply operation valve portion with a chain 41 or the like.

内視鏡の洗浄消毒時に吸引口金１２から洗浄液が注入されると、洗浄液の一部は処置具挿入口８内の圧力を上昇させてリーク孔２５から噴出する。しかし、リーク孔２５の開口が外側から蓋状部２７で覆われているので、リーク孔２５から噴出した洗浄液は蓋状部２７にぶつかって勢いが弱まり、側方に流れ落ちて周辺に飛び散らない。なお、蓋状部２７がリーク孔２５とある程度隙間をあけて配置されているので、蓋状部２７が洗浄液の噴出速度を速めるような作用は生じない。   When the cleaning liquid is injected from the suction base 12 during the cleaning and disinfection of the endoscope, a part of the cleaning liquid is ejected from the leak hole 25 by increasing the pressure in the treatment instrument insertion port 8. However, since the opening of the leak hole 25 is covered with the lid-like part 27 from the outside, the cleaning liquid ejected from the leak hole 25 hits the lid-like part 27 and the momentum is weakened, and it flows down to the side and does not scatter around. In addition, since the lid-like portion 27 is disposed with a certain gap from the leak hole 25, the lid-like portion 27 does not act to increase the cleaning liquid ejection speed.

そして、処置具挿通チャンネル５内の通水洗浄が終わって、洗浄用栓体２０を処置具挿入口金７から取り外したら、連結リング３０を弾性変形させて通し孔２８，２９から抜き出し、図２及び図３等に示されるように洗浄用栓体２０を展開した状態にすることにより、洗浄用栓体２０自体もよく洗浄して、蓋状部２７の周辺や蓋状部２７等に付着した汚れも容易かつ確実に洗い流すことができる。   Then, after the water cleaning in the treatment instrument insertion channel 5 is finished and the cleaning plug 20 is removed from the treatment instrument insertion base 7, the connecting ring 30 is elastically deformed and extracted from the through holes 28, 29, and FIG. As shown in FIG. 3 and the like, the cleaning plug 20 is unfolded so that the cleaning plug 20 itself is also cleaned well, and the dirt attached to the periphery of the lid 27, the lid 27, and the like. Can be washed out easily and reliably.

図６は、処置具挿入口金７に本発明の第２の実施例の洗浄用栓体２０が取り付けられた状態の側面断面図、図７と図８は連結リング３０が外された状態の洗浄用栓体２０単体の側面断面図と平面図である。   FIG. 6 is a side sectional view showing a state in which the cleaning plug 20 according to the second embodiment of the present invention is attached to the treatment instrument insertion base 7, and FIGS. 7 and 8 show cleaning with the connecting ring 30 removed. It is side surface sectional drawing and top view of the plug body 20 for single use.

この実施例では、蓋状部２７がリーク孔２５の開口部を外側から覆う状態を固定及び固定解除することができる蓋状部固定手段として、第１の実施例の連結リング３０に代えて、蓋状部２７から連結帯部２６と反対側に延出する延長帯部２６Ｂの先端に、処置具挿入口金７の基部の円周溝７ｂに係脱可能に係合する円環状の環状部２３Ｂが、弾力性のある部材により蓋状部２７等と一体成形して設けられている。   In this embodiment, instead of the connection ring 30 of the first embodiment, the lid 27 can fix and release the state in which the lid 27 covers the opening of the leak hole 25 from the outside. Annular annular portion 23B that removably engages with the circumferential groove 7b of the base portion of the treatment instrument insertion base 7 at the tip of the extension belt portion 26B extending from the lid portion 27 to the opposite side of the connection belt portion 26. However, it is integrally formed with the lid-like portion 27 and the like by an elastic member.

その他の構成は前述の第１の実施例と同様であり、この実施例の場合には、環状部２３Ｂが処置具挿入口金７の基部の円周溝７ｂに係止されることにより蓋状部２７がリーク孔２５の開口部を外側から覆う状態に固定される。   Other configurations are the same as those of the first embodiment described above. In this embodiment, the annular portion 23B is locked to the circumferential groove 7b of the base portion of the treatment instrument insertion base 7 so that the lid-like portion is formed. 27 is fixed to cover the opening of the leak hole 25 from the outside.

そして、図９に示されるように、筒状部２１を処置具挿入口金７から外しても、洗浄用栓体２０が環状部２３Ｂによって処置具挿入口金７に連結された状態になり、洗浄用栓体２０を紛失する恐れがない。   Then, as shown in FIG. 9, even if the tubular portion 21 is removed from the treatment instrument insertion base 7, the cleaning plug 20 is connected to the treatment instrument insertion base 7 by the annular portion 23B. There is no fear of losing the plug 20.

本発明の第１の実施例の内視鏡の処置具挿通チャンネル洗浄用栓体が処置具挿入口金に取り付けられた状態の側面断面図である。It is side surface sectional drawing of the state by which the treatment tool insertion channel washing | cleaning plug body of the endoscope of 1st Example of this invention was attached to the treatment tool insertion base. 本発明の第１の実施例の内視鏡の処置具挿通チャンネル洗浄用栓体の単体の側面断面図である。It is side surface sectional drawing of the single-piece | unit of the treatment tool insertion channel washing | cleaning plug body of the endoscope of 1st Example of this invention. 本発明の第１の実施例の内視鏡の処置具挿通チャンネル洗浄用栓体の単体の平面図である。It is a top view of the single body of the treatment tool insertion channel washing plug of the endoscope according to the first embodiment of the present invention. 本発明の第１の実施例の内視鏡の処置具挿通チャンネル洗浄用栓体が着脱蓋と鎖で連結された状態の斜視図である。1 is a perspective view of a state in which a treatment instrument insertion channel cleaning plug of an endoscope according to a first embodiment of the present invention is connected to a removable lid with a chain. 本発明の実施例の内視鏡の配管図である。It is a piping diagram of the endoscope of the example of the present invention. 本発明の第２の実施例の内視鏡の処置具挿通チャンネル洗浄用栓体が処置具挿入口金に取り付けられた状態の側面断面図である。It is side surface sectional drawing of the state by which the treatment tool insertion channel washing | cleaning plug body of the endoscope of the 2nd Example of this invention was attached to the treatment tool insertion base. 本発明の第２の実施例の内視鏡の処置具挿通チャンネル洗浄用栓体の単体の側面断面図である。It is side surface sectional drawing of the single-piece | unit of the treatment tool insertion channel washing | cleaning plug body of the endoscope of 2nd Example of this invention. 本発明の第２の実施例の内視鏡の処置具挿通チャンネル洗浄用栓体の単体の平面図である。It is a top view of the single body of the treatment tool insertion channel washing plug body of the endoscope of the second embodiment of the present invention. 本発明の第２の実施例の内視鏡の処置具挿通チャンネル洗浄用栓体が処置具挿入口金から部分的に取り外された状態の側面断面図である。It is side surface sectional drawing of the state from which the treatment tool insertion channel washing | cleaning plug body of the endoscope of 2nd Example of this invention was partially removed from the treatment tool insertion base.

符号の説明Explanation of symbols

５ 処置具挿通チャンネル
７ 処置具挿入口金（処置具挿入口部）
８ 処置具挿入口
２０ 洗浄用栓体
２１ 筒状部
２３Ｂ 環状部（蓋状部固定手段）
２４ 天井壁部
２５ リーク孔
２６ 連結帯部
２６Ｂ 延長帯部
２７ 蓋状部
３０ 連結リング（蓋状部固定手段） 5 treatment instrument insertion channel 7 treatment instrument insertion base (treatment instrument insertion port)
8 treatment instrument insertion port 20 plug for cleaning 21 cylindrical part 23B annular part (lid part fixing means)
24 ceiling wall part 25 leak hole 26 connecting band part 26B extension band part 27 lid-like part 30 coupling ring (lid-like part fixing means)

Claims (3)

内視鏡内に配置された吸引チャンネル兼用の処置具挿通チャンネル内を通水洗浄する際に、上記処置具挿通チャンネルに連通して開口する処置具挿入口が形成されている処置具挿入口金に、着脱自在に取り付けられる内視鏡の処置具挿通チャンネル洗浄用栓体であって、
弾性変形させて上記処置具挿入口金に嵌め込み係合される筒状部と、上記筒状部が上記処置具挿入口金に係合した状態のときに上記処置具挿入口に面するように上記筒状部の外端部を塞ぐ状態に形成された天井壁部とが、弾力性のある部材により一体に形成されて、上記天井壁部にリーク孔が貫通形成されたものにおいて、
上記筒状部から延出する連結帯部と、上記リーク孔の開口部をその開口部から外方に噴出した洗浄液が側方に流れ出るように隙間をあけて外側から覆うために上記連結帯部の他端側に形成された蓋状部とを、上記弾力性のある部材により上記筒状部と一体に形成すると共に、上記連結帯部を弾性変形させて上記蓋状部が上記リーク孔の開口部をその開口部から外方に噴出した洗浄液が側方に流れ出るように隙間をあけて外側から覆う状態を固定及び固定解除することができる蓋状部固定手段を設けたことを特徴とする内視鏡の処置具挿通チャンネル洗浄用栓体。 A treatment instrument insertion base formed with a treatment instrument insertion port that opens in communication with the treatment instrument insertion channel when the treatment instrument insertion channel also serves as a suction channel disposed in the endoscope is washed with water. A plug for washing a treatment instrument insertion channel of an endoscope that is detachably attached,
A tubular portion which is elastically deformed by and engaged fitted into the treatment instrument insertion mouthpiece, said as the cylindrical portion facing the above instrument inlet in a state engaged with the instrument inlet gold The ceiling wall portion formed in a state of closing the outer end portion of the cylindrical portion is integrally formed with a resilient member, and a leak hole is formed through the ceiling wall portion.
A connecting band part extending from the cylindrical part, and the connecting band part to cover the opening of the leak hole from the outside with a gap so that the cleaning liquid sprayed outward from the opening part flows out to the side A lid-like portion formed on the other end side of the tube is formed integrally with the cylindrical portion by the elastic member, and the connecting band portion is elastically deformed so that the lid-like portion becomes the leak hole. A lid-shaped portion fixing means is provided that can fix and unfix the state in which the opening covers the outside from the outside so that the cleaning liquid sprayed outward from the opening flows out to the side. Endoscope treatment instrument insertion channel cleaning plug. 上記蓋状部固定手段が、上記筒状部付近と上記蓋状部付近とに各々形成されたリング通し孔にまたがって取り外し可能に通される連結リングである請求項１記載の内視鏡の処置具挿通チャンネル洗浄用栓体。   The endoscope according to claim 1, wherein the lid-shaped portion fixing means is a connecting ring that is detachably passed through ring through holes formed in the vicinity of the cylindrical portion and in the vicinity of the lid-shaped portion. Treatment tool insertion channel cleaning plug. 上記蓋状部固定手段が、上記蓋状部から上記連結帯部と反対側に延出する延長帯部の先端に形成されて上記処置具挿入口金の基部に係脱可能に係合する環状部であり、上記蓋状部と上記連結帯部と上記延長帯部と上記環状部とが一体に形成されている請求項１記載の内視鏡の処置具挿通チャンネル洗浄用栓体。
The cap-like portion fastening means to detachably engage been made form the tip of the extension strip portion extending on the opposite side of the connecting band portion from the cap-like portion at the base of the instrument inlet gold annulus der is, the cap-like portion and the connecting band portion and the extension band portion and the annular portion and the treatment instrument insertion channel cleaning plug body of an endoscope according to claim 1, wherein that are formed integrally.
JP2006204247A 2006-07-27 2006-07-27 Endoscope treatment instrument insertion channel cleaning plug Expired - Fee Related JP5046580B2 (en)

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