JP6783959B1 - Endoscope device - Google Patents

Endoscope device Download PDF

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JP6783959B1
JP6783959B1 JP2019569992A JP2019569992A JP6783959B1 JP 6783959 B1 JP6783959 B1 JP 6783959B1 JP 2019569992 A JP2019569992 A JP 2019569992A JP 2019569992 A JP2019569992 A JP 2019569992A JP 6783959 B1 JP6783959 B1 JP 6783959B1
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observation window
cleaning member
endoscope device
convex lens
cleaning
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JPWO2020188705A1 (en
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和彦 早川
和彦 早川
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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
    • A61B1/12—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

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Abstract

付着した異物及び水滴等をきれいに洗浄できる内視鏡装置を提供する。体内に挿入される挿入部（１４）の先端に観察窓（１３２）を有する内視鏡装置（１０）において、観察窓（１３２）の曲面に沿って回動し、観察窓（１３２）を洗浄する洗浄部材（３０）を備える。Provided is an endoscope device capable of cleaning adhering foreign matter and water droplets. In an endoscope device (10) having an observation window (132) at the tip of an insertion portion (14) inserted into the body, the observation window (132) is cleaned by rotating along the curved surface of the observation window (132). The cleaning member (30) is provided.

Description

本発明は、体内に挿入される挿入部の先端に凸レンズを有する内視鏡装置に関する。 The present invention relates to an endoscopic device having a convex lens at the tip of an insertion portion inserted into the body.

従来から内視鏡装置においては、体内へ挿入する挿入部の先端に、被検体を撮像するための観察窓が設けられている。斯かる観察窓の表面には、体内の液、異物等が付着し易い。このように、観察窓の一部に汚れ等が付着していると被検体の明確な画像を撮りにくい。 Conventionally, in an endoscope device, an observation window for imaging a subject is provided at the tip of an insertion portion to be inserted into the body. Liquids, foreign substances, etc. in the body tend to adhere to the surface of such an observation window. As described above, if dirt or the like is attached to a part of the observation window, it is difficult to take a clear image of the subject.

これに対して、特許文献１においては、硬性鏡（観察窓）の先端にワイパーを設け、該ワイパーが硬性鏡の先端面を摺動接触することによって洗浄を行う内視鏡装置について開示している。 On the other hand, Patent Document 1 discloses an endoscope device in which a wiper is provided at the tip of a rigid mirror (observation window) and the wiper slides and contacts the tip surface of the rigid mirror to perform cleaning. There is.

また、特許文献２においては、観察窓に向けて流体を噴射するノズルと、該ノズルから噴射される液体が観察窓の表面全体に行き渡るように案内する液体ガイド傾斜面とを備え、ノズルから水を噴射して観察窓の汚れを洗い流す内視鏡が開示されている。 Further, in Patent Document 2, a nozzle for injecting a fluid toward the observation window and a liquid guide inclined surface for guiding the liquid injected from the nozzle so as to spread over the entire surface of the observation window are provided, and water is provided from the nozzle. Disclosed is an endoscope that sprays water to wash away dirt from the observation window.

特開２００６−２１８２４０号公報Japanese Unexamined Patent Publication No. 2006-218240 特開２０１５−１１９７４６号公報JP-A-2015-119746

しかしながら、上述した特許文献１の内視鏡装置及び特許文献２の内視鏡においては、何れも観察窓が平面である場合を対象にしており、観察窓が凸レンズである場合には、十分な効果を奏することが出来ない。 However, both the endoscope device of Patent Document 1 and the endoscope of Patent Document 2 described above are intended for the case where the observation window is a flat surface, and are sufficient when the observation window is a convex lens. It cannot be effective.

本発明は、斯かる事情に鑑みてなされたものであり、その目的とするところは、体内に挿入される挿入部の先端に凸レンズを有する内視鏡装置において、斯かる凸レンズに付着した異物及び水滴等をきれいに洗浄できる内視鏡装置を提供することにある。 The present invention has been made in view of such circumstances, and an object of the present invention is an endoscopic device having a convex lens at the tip of an insertion portion to be inserted into the body, and foreign matter adhering to the convex lens and foreign matter and the like. An object of the present invention is to provide an endoscopic device capable of cleaning water droplets and the like.

本発明に係る内視鏡装置は、体内に挿入される挿入部の先端に凸レンズを有する内視鏡装置において、前記凸レンズの曲面に沿って回動し、該凸レンズを洗浄する洗浄部材を備えることを特徴とする。 The endoscope device according to the present invention is an endoscope device having a convex lens at the tip of an insertion portion inserted into the body, and includes a cleaning member that rotates along the curved surface of the convex lens and cleans the convex lens. It is characterized by.

本発明にあっては、被検体の撮像中に、前記洗浄部材が前記凸レンズの曲面に沿って回動し、前記凸レンズに付着した異物及び水滴等をきれいに洗浄する。 In the present invention, the cleaning member rotates along the curved surface of the convex lens during imaging of the subject to cleanly clean foreign matter and water droplets adhering to the convex lens.

本発明によれば、体内に挿入される挿入部の先端に凸レンズを有する内視鏡装置において、被検体の撮像中であっても、斯かる凸レンズに付着した異物及び水滴等をきれいに洗浄することができる。 According to the present invention, in an endoscope device having a convex lens at the tip of an insertion portion inserted into the body, foreign matter and water droplets adhering to the convex lens can be cleaned cleanly even during imaging of a subject. Can be done.

本発明の実施の形態１に係る内視鏡装置の外観図である。It is an external view of the endoscope apparatus which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る内視鏡装置の先端部の外観図である。It is an external view of the tip part of the endoscope apparatus which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る内視鏡装置の先端部の正面図である。It is a front view of the tip part of the endoscope apparatus which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る内視鏡装置の洗浄部材の外観を示す図である。It is a figure which shows the appearance of the cleaning member of the endoscope apparatus which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る内視鏡装置における洗浄部材の駆動機構の作動を説明する説明図である。It is explanatory drawing explaining the operation of the drive mechanism of the cleaning member in the endoscope apparatus which concerns on Embodiment 1 of this invention. 図２のＶＩ−ＶＩ線による断面図である。FIG. 2 is a cross-sectional view taken along the line VI-VI of FIG. 図２のＶＩＩ−ＶＩＩ線による断面図である。FIG. 2 is a cross-sectional view taken along the line VII-VII of FIG. 本発明の実施の形態１に係る内視鏡装置における連結部の形状を示す斜視図である。It is a perspective view which shows the shape of the connecting part in the endoscope apparatus which concerns on Embodiment 1 of this invention. 本発明の実施の形態２に係る内視鏡装置における、洗浄部材の作用を説明する説明図である。It is explanatory drawing explaining the operation of the cleaning member in the endoscope apparatus which concerns on Embodiment 2 of this invention. 本発明の実施の形態２に係る内視鏡装置において、送気送水ノズルからの水又は空気の噴射方向を示す図である。It is a figure which shows the injection direction of water or air from an air supply water supply nozzle in the endoscope apparatus which concerns on Embodiment 2 of this invention. 本発明の実施の形態２に係る内視鏡装置の操作部の要部構成を示す概略的断面図である。It is schematic cross-sectional view which shows the structure of the main part of the operation part of the endoscope apparatus which concerns on Embodiment 2 of this invention. 本発明の実施の形態３に係る内視鏡装置の洗浄部材の外観を示す図である。It is a figure which shows the appearance of the cleaning member of the endoscope apparatus which concerns on Embodiment 3 of this invention.

以下に、本発明の実施の形態に係る内視鏡装置について、図面に基づいて詳述する。 Hereinafter, the endoscope device according to the embodiment of the present invention will be described in detail with reference to the drawings.

（実施の形態１）
図１は、本発明の実施の形態１に係る内視鏡装置１０の外観図である。本実施の形態に係る内視鏡装置１０は、挿入部１４と、操作部２０と、ユニバーサルコード２５と、コネクタ部２４とを有する。操作部２０は、ユーザの操作を受け付けるボタン２０１および湾曲ノブ２１と、略円筒形状のケース２０５に設けられたチャンネル入口２２とを有する。チャンネル入口２２には、処置具等を挿入する挿入口を有する鉗子栓２３が取り付けられている。(Embodiment 1)
FIG. 1 is an external view of the endoscope device 10 according to the first embodiment of the present invention. The endoscope device 10 according to the present embodiment includes an insertion unit 14, an operation unit 20, a universal cord 25, and a connector unit 24. The operation unit 20 has a button 201 and a curved knob 21 for receiving a user's operation, and a channel inlet 22 provided in a substantially cylindrical case 205. A forceps plug 23 having an insertion port for inserting a treatment tool or the like is attached to the channel inlet 22.

挿入部１４は、被検体の体内に挿入される。挿入部１４は長尺であり、一端が折止部１６を介して操作部２０に接続されている。挿入部１４は、操作部２０側から順に軟性部１１、湾曲部１２および先端部１３を有する。湾曲部１２は、湾曲ノブ２１の操作に応じて湾曲する。 The insertion portion 14 is inserted into the body of the subject. The insertion portion 14 is long, and one end thereof is connected to the operation portion 20 via the folding portion 16. The insertion portion 14 has a flexible portion 11, a curved portion 12, and a tip portion 13 in this order from the operation portion 20 side. The curved portion 12 is curved according to the operation of the curved knob 21.

以後の説明では、挿入部１４の長手方向を挿入方向と記載する。また、挿入方向において、操作部２０に近い一端側を操作部側と言い、先端部１３に近い他端側を先端部側と言う。 In the following description, the longitudinal direction of the insertion portion 14 will be referred to as the insertion direction. Further, in the insertion direction, the one end side close to the operation portion 20 is referred to as the operation portion side, and the other end side close to the tip portion 13 is referred to as the tip portion side.

ユニバーサルコード２５は長尺であり、一端が操作部２０に接続され、他端がコネクタ部２４にそれぞれ接続されている。ユニバーサルコード２５は、軟性である。コネクタ部２４は、図示しない内視鏡装置用プロセッサ、光源装置、表示装置および送気送水装置等に接続される。操作部２０を適宜操作することによって、コネクタ部２４を介して送られてきた空気及び水が、折止部１６を介して先端部１３に送られる。 The universal cord 25 is long and has one end connected to the operation unit 20 and the other end connected to the connector unit 24. The universal cord 25 is flexible. The connector unit 24 is connected to a processor for an endoscope device (not shown), a light source device, a display device, an air supply / water supply device, and the like. By appropriately operating the operation unit 20, the air and water sent through the connector unit 24 are sent to the tip portion 13 via the folding portion 16.

図２は、本発明の実施の形態１に係る内視鏡装置１０の先端部１３の外観図であり、図３は、本発明の実施の形態１に係る内視鏡装置１０の先端部１３の正面図である。即ち、図３は、図２の白抜き矢印方向から先端部１３を見た場合を示している。 FIG. 2 is an external view of the tip portion 13 of the endoscope device 10 according to the first embodiment of the present invention, and FIG. 3 is a front end portion 13 of the endoscope device 10 according to the first embodiment of the present invention. It is a front view of. That is, FIG. 3 shows a case where the tip portion 13 is viewed from the direction of the white arrow in FIG.

先端部１３は断面視略楕円であり、先端が略円錐状に突出している。先端部１３の端面１３１には、観察窓１３２（凸レンズ）、５個の照明窓１３３、送気送水ノズル１３４、チャンネル出口１８等が設けられている。 The tip portion 13 has a substantially elliptical cross-sectional view, and the tip portion projects in a substantially conical shape. The end surface 131 of the tip portion 13 is provided with an observation window 132 (convex lens), five illumination windows 133, an air supply / water supply nozzle 134, a channel outlet 18, and the like.

観察窓１３２は、先端部１３の端面１３１の中心部に設けられており、円形の凸レンズである。観察窓１３２の周囲には、周方向に、照明窓１３３が並設されている。先端部１３の端面１３１において、長軸方向の一端部には送気送水ノズル１３４、チャンネル出口１８が隣接して設けられている。 The observation window 132 is provided at the center of the end surface 131 of the tip portion 13, and is a circular convex lens. Illumination windows 133 are arranged side by side in the circumferential direction around the observation window 132. In the end surface 131 of the tip portion 13, an air supply / water supply nozzle 134 and a channel outlet 18 are provided adjacent to one end portion in the long axis direction.

先端部１３の端面１３１において、長軸方向の前記一端部は、観察窓１３２の端部からその接線方向に傾斜している傾斜面であり、斯かる傾斜面に送気送水ノズル１３４が形成されている。送気送水ノズル１３４は、空気及び水の出射口が観察窓１３２を向くように設けられている。 In the end surface 131 of the tip portion 13, the one end portion in the major axis direction is an inclined surface inclined in the tangential direction from the end portion of the observation window 132, and the air supply / water supply nozzle 134 is formed on such an inclined surface. ing. The air supply / water supply nozzle 134 is provided so that the air and water outlets face the observation window 132.

先端部１３は、観察窓１３２を介して被検体の像光を取り込んで撮像を行う撮像素子（図示せず）等が収容された円筒状の収容筒１９を有しており、収容筒１９の縁部から先端部１３の端面１３１が延設されている。収容筒１９内には、送気送水ノズル１３４を介して噴射される空気及び水の送路（図示せず）が形成されており、各照明窓１３３まで光を伝播させる光ファイバー（図示せず）が内装されている。収容筒１９は断面視略楕円形状である。 The tip portion 13 has a cylindrical storage cylinder 19 in which an image sensor (not shown) or the like that captures image light of a subject through an observation window 132 and performs imaging is housed. The end face 131 of the tip portion 13 extends from the edge portion. An air and water transmission path (not shown) injected through the air supply / water supply nozzle 134 is formed in the storage cylinder 19, and an optical fiber (not shown) that propagates light to each illumination window 133 is formed. Is decorated. The storage cylinder 19 has a substantially elliptical shape in cross section.

更に、先端部１３には、観察窓１３２の曲面に沿って回動しながら、観察窓１３２を洗浄する洗浄部材３０が設けられている。図４は、本発明の実施の形態１に係る内視鏡装置１０の洗浄部材３０の外観を示す図である。図４Ａは、洗浄部材３０の正面図であり、図４Ｂは、図４ＡのＢ−Ｂ線による断面図である。 Further, the tip portion 13 is provided with a cleaning member 30 for cleaning the observation window 132 while rotating along the curved surface of the observation window 132. FIG. 4 is a diagram showing the appearance of the cleaning member 30 of the endoscope device 10 according to the first embodiment of the present invention. 4A is a front view of the cleaning member 30, and FIG. 4B is a cross-sectional view taken along the line BB of FIG. 4A.

洗浄部材３０は、Ｕ字状であり、金属又は樹脂製の板材から形成されている。洗浄部材３０は、観察窓１３２の曲面に沿って、先端部１３の端面１３１の長軸方向に、回動する（図２の実線の矢印参照）。洗浄部材３０は回動方向に所定の幅を有しており、回動の際に観察窓１３２と対向する対向湾曲部３２を有する。対向湾曲部３２は、観察窓１３２の表面に倣って湾曲している。 The cleaning member 30 has a U shape and is formed of a plate material made of metal or resin. The cleaning member 30 rotates along the curved surface of the observation window 132 in the long axis direction of the end surface 131 of the tip portion 13 (see the solid line arrow in FIG. 2). The cleaning member 30 has a predetermined width in the rotation direction, and has an opposed curved portion 32 that faces the observation window 132 during rotation. The facing curved portion 32 is curved following the surface of the observation window 132.

対向湾曲部３２の両端には、洗浄部材３０を収容筒１９に取り付けるための取付部３３が延設されている。取付部３３は円板状であり、取付部３３の内側面の中心部には、円柱状の係合突起３４（突起部）が突設されている。即ち、対向湾曲部３２の両端側には、係合突起３４が互いに対向するように夫々設けられている。 Mounting portions 33 for mounting the cleaning member 30 to the accommodating cylinder 19 are extended at both ends of the opposed curved portion 32. The mounting portion 33 has a disk shape, and a columnar engaging protrusion 34 (protruding portion) is projected from the central portion of the inner surface of the mounting portion 33. That is, engaging projections 34 are provided on both ends of the opposing curved portion 32 so as to face each other.

係合突起３４は、例えば、外周一側に切欠面を設けた円柱状である。これに限るものでなく、本発明の実施の形態１に係る内視鏡装置１０の係合突起３４は、四角柱形状又は三角柱形状であっても良い。 The engaging protrusion 34 is, for example, a columnar shape having a notched surface on one side of the outer circumference. The engagement protrusion 34 of the endoscope device 10 according to the first embodiment of the present invention is not limited to this, and may have a square prism shape or a triangular prism shape.

係合突起３４が後述する収容筒１９の係合凹部１９１と係合することから、係合凹部１９１が回転されることによって、洗浄部材３０が、収容筒１９に取り付けられた状態にて、観察窓１３２の曲面に沿って回動できる（図６参照）。 Since the engaging projection 34 engages with the engaging recess 191 of the housing cylinder 19 described later, the cleaning member 30 is observed in a state of being attached to the housing cylinder 19 by rotating the engaging recess 191. It can rotate along the curved surface of the window 132 (see FIG. 6).

洗浄部材３０は、観察窓１３２と干渉しない待機位置Ｕにて待機する。先端部１３における収容筒１９の縁には、端面１３１との境界に段差１３５が設けられている。換言すれば、段差１３５は、端面１３１の縁から収容筒１９の径方向に延設された平坦面である。
洗浄部材３０は、後述する駆動機構１７によって常に段差１３５側に付勢され、段差１３５と当接するまで回動し、待機位置Ｕで待機する（図５Ａ参照）。The cleaning member 30 stands by at a standby position U that does not interfere with the observation window 132. A step 135 is provided on the edge of the accommodating cylinder 19 at the tip portion 13 at the boundary with the end surface 131. In other words, the step 135 is a flat surface extending in the radial direction of the accommodating cylinder 19 from the edge of the end surface 131.
The cleaning member 30 is always urged toward the step 135 by a drive mechanism 17 described later, rotates until it comes into contact with the step 135, and stands by at the standby position U (see FIG. 5A).

このように、観察窓１３２の曲面に沿って回動する洗浄部材３０を有することから、本発明の実施の形態１に係る内視鏡装置１０は、撮影中、観察窓１３２に付着された、異物、泡、水滴等を取り除くことができる。従って、より明確に被検体を撮像できる。 As described above, since the cleaning member 30 that rotates along the curved surface of the observation window 132 is provided, the endoscope device 10 according to the first embodiment of the present invention is attached to the observation window 132 during imaging. Foreign matter, bubbles, water droplets, etc. can be removed. Therefore, the subject can be imaged more clearly.

更に、本発明の実施の形態１に係る内視鏡装置１０においては、洗浄部材３０に、観察窓１３２と接触して観察窓１３２の曲面の汚れを拭き取る拭き部材３１が設けられている。拭き部材３１は、対向湾曲部３２の内側面に設けられており、対向湾曲部３２の長手方向に沿って設けられている。拭き部材３１は、例えば、ゴム、ウレタン、布、不織布又は発砲スチロールからなる。 Further, in the endoscope device 10 according to the first embodiment of the present invention, the cleaning member 30 is provided with a wiping member 31 that comes into contact with the observation window 132 and wipes off dirt on the curved surface of the observation window 132. The wiping member 31 is provided on the inner side surface of the opposing curved portion 32, and is provided along the longitudinal direction of the opposed curved portion 32. The wiping member 31 is made of, for example, rubber, urethane, cloth, non-woven fabric or styrofoam.

洗浄部材３０（対向湾曲部３２）が観察窓１３２の曲面に沿って回動する際、拭き部材３１は観察窓１３２と接触し、観察窓１３２の表面（曲面）上を摺動する。即ち、洗浄部材３０が観察窓１３２の曲面に沿って回動する際、拭き部材３１は観察窓１３２の表面を拭き、観察窓１３２に付着された、異物、泡、水滴等を取り除く。 When the cleaning member 30 (opposed curved portion 32) rotates along the curved surface of the observation window 132, the wiping member 31 comes into contact with the observation window 132 and slides on the surface (curved surface) of the observation window 132. That is, when the cleaning member 30 rotates along the curved surface of the observation window 132, the wiping member 31 wipes the surface of the observation window 132 to remove foreign substances, bubbles, water droplets, and the like adhering to the observation window 132.

このように、観察窓１３２の曲面に沿って回動する洗浄部材３０が拭き部材３１を有することから、本発明の実施の形態１に係る内視鏡装置１０は、更に明確に被検体を撮像できる。 As described above, since the cleaning member 30 rotating along the curved surface of the observation window 132 has the wiping member 31, the endoscope device 10 according to the first embodiment of the present invention more clearly images the subject. it can.

図５は、本発明の実施の形態１に係る内視鏡装置１０における洗浄部材３０の駆動機構１７の作動を説明する説明図であり、図６は、図２のＶＩ−ＶＩ線による断面図であり、図７は、図２のＶＩＩ−ＶＩＩ線による断面図である。図５においては、説明の便宜上、洗浄部材３０を破線にて示している。 FIG. 5 is an explanatory view illustrating the operation of the drive mechanism 17 of the cleaning member 30 in the endoscope device 10 according to the first embodiment of the present invention, and FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG. FIG. 7 is a cross-sectional view taken along the line VII-VII of FIG. In FIG. 5, the cleaning member 30 is shown by a broken line for convenience of explanation.

洗浄部材３０は、駆動機構１７により、観察窓１３２の曲面に沿って回動する。詳しくは、洗浄部材３０の係合突起３４が係合凹部１９１と係合しており、駆動機構１７が係合凹部１９１を回転させることにより、洗浄部材３０が回動する。係合凹部１９１は、少なくとも一つ設けられ、何れかの係合突起３４と係合する。以下においては、係合凹部１９１が１つである場合を例に説明するが、これに限るものでなく２つであっても良い。 The cleaning member 30 is rotated along the curved surface of the observation window 132 by the drive mechanism 17. Specifically, the engaging protrusion 34 of the cleaning member 30 is engaged with the engaging recess 191 and the driving mechanism 17 rotates the engaging recess 191 to rotate the cleaning member 30. At least one engaging recess 191 is provided and engages with any engaging projection 34. In the following, the case where the number of engaging recesses 191 is one will be described as an example, but the present invention is not limited to this, and two engaging recesses may be used.

係合凹部１９１は例えば底有円筒形状であり、係合凹部１９１は内側に係合突起３４に倣う形状の凹部を有する。係合凹部１９１は、開口側の端部における外径が他の部分より大きい。換言すれば、係合凹部１９１は、開口側の端部に、径方向に延びる鍔部が延設されている。以下、係合凹部１９１の開口側の端部を大径部と言い、他の部分を小径部と言う。 The engaging recess 191 has, for example, a bottomed cylindrical shape, and the engaging recess 191 has a recess having a shape that follows the engaging protrusion 34 inside. The outer diameter of the engaging recess 191 at the end on the opening side is larger than that of the other portion. In other words, the engaging recess 191 has a flange portion extending in the radial direction extending from the end portion on the opening side. Hereinafter, the end portion of the engaging recess 191 on the opening side is referred to as a large diameter portion, and the other portion is referred to as a small diameter portion.

収容筒１９には、収容筒１９を内外に貫通する貫通孔１９２が設けられており、貫通孔１９２には係合凹部１９１が回転可能に内嵌される。貫通孔１９２は、係合凹部１９１に倣う形状を有する。貫通孔１９２において、係合凹部１９１の小径部に対応する部分は小径部と略等しい径を有するが、係合凹部１９１の大径部に対応する部分は大径部より大きい径を有する。これによって、係合凹部１９１と貫通孔１９２との間には間隔が形成され、間隔にはＯーリングＯを介在させる。これによって、貫通孔１９２を介して液体が収容筒１９内に流入されることを防止できる。 The accommodating cylinder 19 is provided with a through hole 192 that penetrates the accommodating cylinder 19 in and out, and the engaging recess 191 is rotatably fitted in the through hole 192. The through hole 192 has a shape that resembles the engaging recess 191. In the through hole 192, the portion corresponding to the small diameter portion of the engaging recess 191 has a diameter substantially equal to that of the small diameter portion, but the portion corresponding to the large diameter portion of the engaging recess 191 has a diameter larger than that of the large diameter portion. As a result, a gap is formed between the engaging recess 191 and the through hole 192, and the O-ring O is interposed in the gap. This makes it possible to prevent the liquid from flowing into the storage cylinder 19 through the through hole 192.

駆動機構１７は係合凹部１９１を回転させる。駆動機構１７は、その一端部が係合凹部１９１に固定された長円板部材１７１と、長円板部材１７１の他端部に連結され、伸縮によって長円板部材１７１を、前記一端部を中心に回動させるコイル形状のバネ部材１７２とを含む。 The drive mechanism 17 rotates the engaging recess 191. The drive mechanism 17 is connected to the elliptical plate member 171 whose one end is fixed to the engaging recess 191 and the other end of the elliptical plate member 171, and the elliptical plate member 171 is stretched to expand and contract. Includes a coil-shaped spring member 172 that rotates around the center.

長円板部材１７１はその中間部に対して両側が湾曲しており、一端部が係合凹部１９１の底側の端面、即ち、係合凹部１９１の底の外面に固定されている。例えば、係合突起３４、係合凹部１９１及び長円板部材１７１の前記一端部の焦点は同一の軸心上に位置される。長円板部材１７１の他端部にはバネ部材１７２が連結されている。バネ部材１７２は、連結部１７３を介して長円板部材１７１に連結される。 Both sides of the elliptical plate member 171 are curved with respect to the intermediate portion thereof, and one end thereof is fixed to the bottom end surface of the engaging recess 191, that is, the outer surface of the bottom of the engaging recess 191. For example, the focal points of the engaging protrusion 34, the engaging recess 191 and the one end portion of the elliptical plate member 171 are located on the same axis. A spring member 172 is connected to the other end of the elliptical plate member 171. The spring member 172 is connected to the elliptical plate member 171 via the connecting portion 173.

図８は、本発明の実施の形態１に係る内視鏡装置１０における連結部１７３の形状を示す斜視図である。
連結部１７３は円柱状の基部１７３Ｃを含み、基部１７３Ｃの一端面にはバネ部材１７２が固定され、他端面には一対の支持部１７３Ａが突設されている。各支持部１７３Ａは、所定厚みを有する半円形の板材からなり、中央部に貫通孔１７３Ｂが設けられている。支持部１７３Ａ同士は所定間隔をあけて、基部１７３Ｃの他端面と交差するように設けられている。FIG. 8 is a perspective view showing the shape of the connecting portion 173 in the endoscope device 10 according to the first embodiment of the present invention.
The connecting portion 173 includes a columnar base portion 173C, a spring member 172 is fixed to one end surface of the base portion 173C, and a pair of support portions 173A are projected from the other end surface. Each support portion 173A is made of a semicircular plate having a predetermined thickness, and a through hole 173B is provided in the central portion. The support portions 173A are provided so as to intersect the other end surface of the base portion 173C at a predetermined interval.

支持部１７３Ａ同士の間には、長円板部材１７１の他端部が介在される。長円板部材１７１の他端部における焦点の位置には、貫通孔（図示せず）が形成されており、斯かる貫通孔が各支持部１７３Ａの貫通孔１７３Ｂと整合するように、長円板部材１７１が配置される。長円板部材１７１の前記貫通孔及び一対の支持部１７３Ａの貫通孔１７３Ｂには固定ピン１７８が挿通される。これによって、長円板部材１７１の他端部は、回転可能に、連結部１７３と連結される。 The other end of the elliptical plate member 171 is interposed between the support portions 173A. A through hole (not shown) is formed at the position of the focal point at the other end of the elliptical member 171 so that the through hole is aligned with the through hole 173B of each support portion 173A. The plate member 171 is arranged. A fixing pin 178 is inserted into the through hole of the oval disk member 171 and the through hole 173B of the pair of support portions 173A. As a result, the other end of the elliptical plate member 171 is rotatably connected to the connecting portion 173.

バネ部材１７２は、伸縮方向に長いコイル形状をなしており、一端部が基部１７３Ｃの前記一端面に固定され、他端部が後述する回転固定部１７６に固定されている。バネ部材１７２の内側には、バネ部材１７２の伸縮を調整する調整ワイヤ１７５が配置されている。調整ワイヤ１７５の一端は基部１７３Ｃの前記一端面に固定される。調整ワイヤ１７５の他端は、回転固定部１７６を貫通して操作部２０に繋がっている。バネ部材１７２の内側には、調整ワイヤ１７５を保護する保護管１７４が設けられている。保護管１７４はフレキシブルであり、操作部２０まで延びる。 The spring member 172 has a coil shape that is long in the expansion / contraction direction, one end of which is fixed to the one end surface of the base portion 173C, and the other end of which is fixed to a rotation fixing portion 176 which will be described later. Inside the spring member 172, an adjustment wire 175 that adjusts the expansion and contraction of the spring member 172 is arranged. One end of the adjusting wire 175 is fixed to the one end surface of the base portion 173C. The other end of the adjusting wire 175 penetrates the rotation fixing portion 176 and is connected to the operating portion 20. Inside the spring member 172, a protective tube 174 that protects the adjusting wire 175 is provided. The protective tube 174 is flexible and extends to the operating section 20.

連結部１７３よりも操作部２０側には、バネ部材１７２の他端部を保持する回転固定部１７６が設けられている。回転固定部１７６は略ブロック形状をなしており、何れか２つの対向面を貫く貫通孔１７９が形成されている。貫通孔１７９には、上述したように、保護管１７４及び調整ワイヤ１７５が挿通される。回転固定部１７６は、前記２つの対向面を除く他面に円柱状の係合突起１７７が突設されている。収容筒１９においては、回転固定部１７６の係合突起１７７に対応する位置に係合穴１９３が形成されている。係合穴１９３は係合突起１７７に倣う形状を有しており、係合突起１７７は、回転可能に、係合穴１９３と係合する。よって、回転固定部１７６は、係合突起１７７を回転軸として回転することができる。 A rotation fixing portion 176 for holding the other end of the spring member 172 is provided on the operation portion 20 side of the connecting portion 173. The rotation fixing portion 176 has a substantially block shape, and a through hole 179 penetrating any two facing surfaces is formed. As described above, the protective tube 174 and the adjusting wire 175 are inserted into the through hole 179. The rotation fixing portion 176 has a columnar engaging projection 177 projecting from the other surfaces other than the two facing surfaces. In the accommodating cylinder 19, an engaging hole 193 is formed at a position corresponding to the engaging projection 177 of the rotation fixing portion 176. The engagement hole 193 has a shape that resembles the engagement protrusion 177, and the engagement protrusion 177 rotatably engages with the engagement hole 193. Therefore, the rotation fixing portion 176 can rotate with the engaging projection 177 as the rotation axis.

何ら外力が加わっていない状態にて、バネ部材１７２は伸縮方向の寸法が回転固定部１７６及び係合凹部１９１間の距離と略同じである。従って、バネ部材１７２と連結部１７３との和は、回転固定部１７６及び係合凹部１９１間の距離より長くなる。即ち、バネ部材１７２に外力が加わっていない場合、回転固定部１７６、連結部１７３及び係合凹部１９１は同一直線上に配置できず、長円板部材１７１に拘束されつつ、バネ部材１７２の力によって、連結部１７３が収容筒１９の長軸方向にずれて位置される。連結部１７３は、チャンネル出口１８又は送気送水ノズル１３４に水又は空気を供給する送気送水管１３４Ａ側にシフトする。 In a state where no external force is applied, the dimensions of the spring member 172 in the expansion / contraction direction are substantially the same as the distance between the rotation fixing portion 176 and the engaging recess 191. Therefore, the sum of the spring member 172 and the connecting portion 173 is longer than the distance between the rotation fixing portion 176 and the engaging recess 191. That is, when no external force is applied to the spring member 172, the rotation fixing portion 176, the connecting portion 173, and the engaging recess 191 cannot be arranged on the same straight line, and the force of the spring member 172 is restrained by the elliptical plate member 171. The connecting portion 173 is positioned so as to be displaced in the major axis direction of the accommodating cylinder 19. The connecting portion 173 shifts to the air supply water pipe 134A side that supplies water or air to the channel outlet 18 or the air supply water supply nozzle 134.

この際、回転固定部１７６は収容筒１９の長軸方向に回転し、洗浄部材３０は待機位置Ｕに位置する。即ち、バネ部材１７２に外力が加わっていない、通常の場合、洗浄部材３０は待機位置Ｕで待機する（図５Ａ参照）。待機位置Ｕは、収容筒１９の長軸方向における洗浄部材３０の回動範囲の最上位置である。 At this time, the rotation fixing portion 176 rotates in the long axis direction of the accommodating cylinder 19, and the cleaning member 30 is located at the standby position U. That is, in the normal case where no external force is applied to the spring member 172, the cleaning member 30 stands by at the standby position U (see FIG. 5A). The standby position U is the uppermost position of the rotation range of the cleaning member 30 in the long axis direction of the accommodating cylinder 19.

一方、調整ワイヤ１７５が操作部２０側に引っ張られ、連結部１７３が操作部２０側にシフトすることによって、バネ部材１７２に収縮の外力が加わった場合、回転固定部１７６、連結部１７３及び係合凹部１９１は同一直線上に配置する。例えば、この際、洗浄部材３０は収容筒１９の長軸方向における回動範囲の最下位置に位置する（図５Ｂ参照）。 On the other hand, when the adjusting wire 175 is pulled toward the operating portion 20 and the connecting portion 173 shifts to the operating portion 20 side, and an external force of contraction is applied to the spring member 172, the rotation fixing portion 176, the connecting portion 173 and the engaging portion are engaged. The joint recess 191 is arranged on the same straight line. For example, at this time, the cleaning member 30 is located at the lowest position of the rotation range of the accommodating cylinder 19 in the long axis direction (see FIG. 5B).

本発明の実施の形態１に係る内視鏡装置１０においては、このように、手動又は機械的に調整ワイヤ１７５を引っ張って離す操作を繰り返すことによって、洗浄部材３０を収容筒１９の長軸方向に回動させることができる。即ち、本発明の実施の形態１に係る内視鏡装置１０においては、送気送水ノズル１３４から水又は空気が噴射される場合、洗浄部材３０が繰り返し回動を行い、この際、拭き部材３１は観察窓１３２の表面を拭き、観察窓１３２に付着された、異物、泡、水滴等を取り除く。 In the endoscope device 10 according to the first embodiment of the present invention, the cleaning member 30 is moved in the long axis direction of the accommodating cylinder 19 by repeating the operation of manually or mechanically pulling and releasing the adjusting wire 175 in this way. Can be rotated to. That is, in the endoscope device 10 according to the first embodiment of the present invention, when water or air is injected from the air supply / water supply nozzle 134, the cleaning member 30 repeatedly rotates, and at this time, the wiping member 31 Wipe the surface of the observation window 132 to remove foreign matter, bubbles, water droplets, etc. adhering to the observation window 132.

例えば、洗浄部材３０は、内視鏡装置１０を使う前に取り付けられる。内視鏡装置１０の使用が終了した後に、洗浄部材３０が取り外され、内視鏡装置１０の洗浄等を行う。
なお、洗浄部材３０は、シングルユースであっても良く、洗浄後再使用しても良い。For example, the cleaning member 30 is attached before using the endoscope device 10. After the use of the endoscope device 10 is completed, the cleaning member 30 is removed to clean the endoscope device 10.
The cleaning member 30 may be used for single use or may be reused after cleaning.

（実施の形態２）
実施の形態１においては、洗浄部材３０が拭き部材３１を有しており、送気送水ノズル１３４から水又は空気が噴射される場合、洗浄部材３０が繰り返し回動を行い、拭き部材３１が観察窓１３２の表面を拭き取る構成について説明した。しかし本発明はこれに限るものではない。(Embodiment 2)
In the first embodiment, when the cleaning member 30 has a wiping member 31 and water or air is injected from the air supply / water supply nozzle 134, the cleaning member 30 repeatedly rotates and the wiping member 31 is observed. The configuration for wiping the surface of the window 132 has been described. However, the present invention is not limited to this.

本発明の実施の形態２に係る内視鏡装置１０は拭き部材３１を有していない。また、本発明の実施の形態２に係る内視鏡装置１０洗浄部材３０が観察窓１３２の曲面に沿って回動できるように構成されているものの、送気送水ノズル１３４から水又は空気が噴射される場合、洗浄部材３０が回動を繰り返すことはない。本発明の実施の形態２に係る内視鏡装置１０は、送気送水ノズル１３４から水又は空気が噴射される場合、洗浄部材３０が観察窓１３２の中央部に位置するように構成されている。 The endoscope device 10 according to the second embodiment of the present invention does not have a wiping member 31. Further, although the endoscope device 10 cleaning member 30 according to the second embodiment of the present invention is configured to be rotatable along the curved surface of the observation window 132, water or air is injected from the air supply / water supply nozzle 134. If so, the cleaning member 30 does not repeat rotation. The endoscope device 10 according to the second embodiment of the present invention is configured such that the cleaning member 30 is located at the center of the observation window 132 when water or air is injected from the air supply / water supply nozzle 134. ..

図９は、本発明の実施の形態２に係る内視鏡装置１０における、洗浄部材３０の作用を説明する説明図であり、図１０は、本発明の実施の形態２に係る内視鏡装置１０において、送気送水ノズル１３４からの水又は空気の噴射方向を示す図である。
上述したように、本発明の実施の形態２に係る内視鏡装置１０においては、送気送水ノズル１３４から水又は空気が噴射される場合、洗浄部材３０が観察窓１３２の中央部に位置する。従って、観察窓１３２において、送気送水ノズル１３４と反対側まで観察窓１３２を確実に洗浄することができる。FIG. 9 is an explanatory view for explaining the operation of the cleaning member 30 in the endoscope device 10 according to the second embodiment of the present invention, and FIG. 10 is an explanatory view for explaining the operation of the cleaning member 30. FIG. FIG. 10 is a diagram showing an injection direction of water or air from the air supply / water supply nozzle 134.
As described above, in the endoscope device 10 according to the second embodiment of the present invention, when water or air is injected from the air supply / water supply nozzle 134, the cleaning member 30 is located at the center of the observation window 132. .. Therefore, in the observation window 132, the observation window 132 can be reliably washed up to the side opposite to the air supply / water supply nozzle 134.

送気送水ノズル１３４から水又は空気が噴射される場合、洗浄部材３０は観察窓１３２の中央部に位置する（図９のＣの位置）。この際、洗浄部材３０の対向湾曲部３２の内側面と観察窓１３２との間には所定の間隔Ｇが形成される。送気送水ノズル１３４は斯かる間隔Ｇに向けて、観察窓１３２の表面に沿って、水又は空気を噴射する。 When water or air is injected from the air supply / water supply nozzle 134, the cleaning member 30 is located at the center of the observation window 132 (position C in FIG. 9). At this time, a predetermined distance G is formed between the inner surface of the opposed curved portion 32 of the cleaning member 30 and the observation window 132. The air supply water supply nozzle 134 injects water or air along the surface of the observation window 132 toward such an interval G.

この際、送気送水ノズル１３４から噴射された水又は空気は、図９の矢印方向に流れて対向湾曲部３２と観察窓１３２との間の間隔Ｇに入り、対向湾曲部３２の内側面と衝突して進行方向が変更される。即ち、送気送水ノズル１３４から噴射された水又は空気が、重量又は慣性によって観察窓１３２の中央部にて観察窓１３２の表面から離れることなく、対向湾曲部３２の内側面に案内され、水及び空気の粘性又は表面張力によって観察窓１３２の表面に沿って、送気送水ノズル１３４と反対側に流れていく。
間隔Ｇは、０．７ｍｍ〜２ｍｍであればよく、好ましくは１ｍｍである。At this time, the water or air jetted from the air supply / water supply nozzle 134 flows in the direction of the arrow in FIG. 9 and enters the gap G between the facing curved portion 32 and the observation window 132, and enters the inner surface of the facing curved portion 32. It collides and the direction of travel is changed. That is, the water or air ejected from the air supply / water supply nozzle 134 is guided to the inner surface of the opposed curved portion 32 at the central portion of the observation window 132 by weight or inertia without being separated from the surface of the observation window 132, and the water. And, due to the viscosity of air or surface tension, it flows along the surface of the observation window 132 to the opposite side of the air supply / water supply nozzle 134.
The interval G may be 0.7 mm to 2 mm, preferably 1 mm.

従って、凸レンズである観察窓１３２の洗浄において、一ヶ所にのみ送気送水ノズル１３４を設けても、送気送水ノズル１３４と反対側まで観察窓１３２を確実に洗浄することができる。 Therefore, in cleaning the observation window 132 which is a convex lens, even if the air supply water supply nozzle 134 is provided only at one place, the observation window 132 can be reliably cleaned up to the side opposite to the air supply water supply nozzle 134.

図１１は、本発明の実施の形態２に係る内視鏡装置１０の操作部２０の要部構成を示す概略的断面図である。ユーザの簡単な操作によって、送気送水ノズル１３４から水又は空気が噴射される際、洗浄部材３０を観察窓１３２の中央部に位置させることができる。 FIG. 11 is a schematic cross-sectional view showing a configuration of a main part of the operation unit 20 of the endoscope device 10 according to the second embodiment of the present invention. By a simple operation of the user, the cleaning member 30 can be positioned at the center of the observation window 132 when water or air is ejected from the air supply / water supply nozzle 134.

操作部２０の円筒形状のケース２０５の内側にはシリンダー２０３が設けられている。シリンダー２０３は開口を介してケース２０５の外側と連通している。シリンダー２０３の内側には、シリンダー２０３の軸方向に往復運動する、円柱状のピストン２０６が内嵌されている。ピストン２０６の最大外径は、シリンダー２０３の内径と略等しい。 A cylinder 203 is provided inside the cylindrical case 205 of the operation unit 20. The cylinder 203 communicates with the outside of the case 205 through an opening. Inside the cylinder 203, a cylindrical piston 206 that reciprocates in the axial direction of the cylinder 203 is internally fitted. The maximum outer diameter of the piston 206 is substantially equal to the inner diameter of the cylinder 203.

ピストン２０６の両端部のうち、シリンダー２０３の開口付近の一端部には、上述したようにボタン２０１が設けられている。即ち、ユーザがボタン２０１を押圧操作した場合、ピストン２０６は黒塗り矢印方向に、シリンダー２０３の内側面上を摺動する。以下、説明の便宜上、黒塗り矢印方向を下方向と言う。 Button 201 is provided at one end of both ends of the piston 206 near the opening of the cylinder 203 as described above. That is, when the user presses the button 201, the piston 206 slides on the inner surface of the cylinder 203 in the direction of the black arrow. Hereinafter, for convenience of explanation, the black arrow direction is referred to as a downward direction.

ボタン２０１は縦断面視でＴ字形状をなしており、径が縮小する縮径部を有する。斯かる縮径部にはコイル状のバネが外嵌されている。従って、ユーザがボタン２０１を押圧する操作後、ボタン２０１から手を放した場合、前記バネの反発力により、ボタン２０１は元の位置に戻る。 The button 201 has a T-shape in a vertical cross-sectional view, and has a reduced diameter portion whose diameter is reduced. A coil-shaped spring is externally fitted in such a reduced diameter portion. Therefore, when the user releases the button 201 after pressing the button 201, the button 201 returns to the original position due to the repulsive force of the spring.

ピストン２０６は、ボタン２０１側の一端部から他端部に向けて、最大径を有する第１大径部、前記最大径よりも小さい径を有する第１小径部、第２大径部及び第２小径部がこの順に形成されている。前記第１大径部には、円周方向に溝が凹設されており、斯かる溝にはＯリングが外嵌されている。 The piston 206 has a first large diameter portion having a maximum diameter, a first small diameter portion having a diameter smaller than the maximum diameter, a second large diameter portion, and a second large diameter portion from one end to the other end on the button 201 side. The small diameter portions are formed in this order. A groove is recessed in the first large-diameter portion in the circumferential direction, and an O-ring is externally fitted in the groove.

一方、シリンダー２０３の周壁において互いに対向する位置には、シリンダー２０３の内外に貫通する貫通孔が夫々形成されている。２つの貫通孔のうち、一方は供給管２０２を介して水又は空気の供給源に繋がっており、他方は送気送水管１３４Ａを介して送気送水ノズル１３４に繋がっている。ピストン２０６の前記第２大径部は、シリンダー２０３の２つの貫通孔を開閉する。 On the other hand, through holes penetrating inside and outside the cylinder 203 are formed at positions facing each other on the peripheral wall of the cylinder 203. Of the two through holes, one is connected to a water or air supply source via a supply pipe 202, and the other is connected to an air supply water supply nozzle 134 via an air supply water supply pipe 134A. The second large diameter portion of the piston 206 opens and closes two through holes in the cylinder 203.

ボタン２０１が押圧操作されていない場合、前記第２大径部はシリンダー２０３の前記２つの貫通孔を塞ぐ。また、ユーザがボタン２０１を押圧操作した場合は、前記第２大径部の位置が下方にシフトし、シリンダー２０３の前記２つの貫通孔が開く。この際、供給管２０２からの水又は空気は、シリンダー２０３内（ピストン２０６の前記第１小径部）に流れ込み、送気送水管１３４Ａを介して送気送水ノズル１３４に流れ出す（図１１の一点鎖線の矢印参照）。従って、送気送水ノズル１３４から水又は空気が吐出される。 When the button 201 is not pressed, the second large diameter portion closes the two through holes of the cylinder 203. Further, when the user presses the button 201, the position of the second large diameter portion shifts downward, and the two through holes of the cylinder 203 are opened. At this time, water or air from the supply pipe 202 flows into the cylinder 203 (the first small diameter portion of the piston 206) and flows out to the air supply water supply nozzle 134 via the air supply water supply pipe 134A (one-dot chain line in FIG. 11). See the arrow). Therefore, water or air is discharged from the air supply / water supply nozzle 134.

シリンダー２０３の底には、シリンダー２０３の内外に貫通する他の貫通孔が形成されており、斯かる他の貫通孔に、媒体部材２０７が水密に係合してある。媒体部材２０７は、略円柱状であり、シリンダー２０３に案内されて上下動出来、ピストン２０６の動きを後述するレバー２０８に伝える。 The bottom of the cylinder 203 is formed with other through holes penetrating the inside and outside of the cylinder 203, and the medium member 207 is watertightly engaged with the other through holes. The medium member 207 has a substantially cylindrical shape, can be moved up and down by being guided by the cylinder 203, and transmits the movement of the piston 206 to the lever 208 described later.

レバー２０８は、略Ｌ字状をなしており、屈曲部には回動軸２０９が設けられている。即ち、レバー２０８は、回動軸２０９を軸として回動する。レバー２０８の一端部は、媒体部材２０７の移動範囲内であって、媒体部材２０７の真下に配置されている。レバー２０８の他端部には調整ワイヤ１７５の他端部が繋がっている。 The lever 208 has a substantially L-shape, and a rotation shaft 209 is provided at the bent portion. That is, the lever 208 rotates about the rotation shaft 209. One end of the lever 208 is within the moving range of the medium member 207 and is arranged directly below the medium member 207. The other end of the adjusting wire 175 is connected to the other end of the lever 208.

例えば、媒体部材２０７が下方向に移動した場合、媒体部材２０７によってレバー２０８の一端部が押されるので、レバー２０８は、図１１の白抜き矢印方向に回動する。この際、レバー２０８の他端部に繋がっている調整ワイヤ１７５が引っ張られる（図１１の破線の矢印参照）。よって、連結部１７３が操作部２０側にシフトすることによって、バネ部材１７２に収縮の外力が加わり、回転固定部１７６、連結部１７３及び係合凹部１９１は同一直線上に配置する（図５Ｂ参照）。 For example, when the medium member 207 moves downward, one end of the lever 208 is pushed by the medium member 207, so that the lever 208 rotates in the direction of the white arrow in FIG. At this time, the adjustment wire 175 connected to the other end of the lever 208 is pulled (see the broken line arrow in FIG. 11). Therefore, as the connecting portion 173 shifts to the operating portion 20, an external force of contraction is applied to the spring member 172, and the rotation fixing portion 176, the connecting portion 173, and the engaging recess 191 are arranged on the same straight line (see FIG. 5B). ).

本発明の実施の形態２に係る内視鏡装置１０における駆動機構１７は、実施の形態１に係る駆動機構１７と同様の構成を有するが、以下の点において相違する。
本発明の実施の形態２に係る内視鏡装置１０においては、バネ部材１７２に収縮の外力が加わり、回転固定部１７６、連結部１７３及び係合凹部１９１は同一直線上に配置した場合、洗浄部材３０が観察窓１３２の中央部（図９のＣの位置）に位置するように構成されている。駆動機構１７の他の構成は、実施の形態１と同様であり、詳しい説明は省略する。The drive mechanism 17 in the endoscope device 10 according to the second embodiment of the present invention has the same configuration as the drive mechanism 17 according to the first embodiment, but differs in the following points.
In the endoscope device 10 according to the second embodiment of the present invention, when an external force of contraction is applied to the spring member 172 and the rotation fixing portion 176, the connecting portion 173 and the engaging recess 191 are arranged on the same straight line, the spring member 172 is cleaned. The member 30 is configured to be located at the center of the observation window 132 (position C in FIG. 9). The other configuration of the drive mechanism 17 is the same as that of the first embodiment, and detailed description thereof will be omitted.

以上のような構成を有することから、ユーザがボタン２０１を押圧操作した場合、ピストン２０６が下方向にシフトし、送気送水管１３４Ａを介して送気送水ノズル１３４に水又は空気が供給される。この際、媒体部材２０７が下方向に移動し、これによってレバー２０８が回動してレバー２０８の他端部に繋がっている調整ワイヤ１７５を引っ張るので、洗浄部材３０が観察窓１３２の中央部に位置する。 Since it has the above configuration, when the user presses the button 201, the piston 206 shifts downward and water or air is supplied to the air supply water supply nozzle 134 via the air supply water supply pipe 134A. .. At this time, the medium member 207 moves downward, whereby the lever 208 rotates and pulls the adjustment wire 175 connected to the other end of the lever 208, so that the cleaning member 30 is moved to the central portion of the observation window 132. To position.

従って、本発明の実施の形態２に係る内視鏡装置１０においては、送気送水ノズル１３４から噴射された水又は空気が対向湾曲部３２の内側面に案内され、観察窓１３２の表面に沿って、観察窓１３２において送気送水ノズル１３４の反対側に流れていく。従って、送気送水ノズル１３４の反対側まで観察窓１３２を確実に洗浄することができる。 Therefore, in the endoscope device 10 according to the second embodiment of the present invention, the water or air ejected from the air supply / water supply nozzle 134 is guided to the inner surface of the facing curved portion 32 and along the surface of the observation window 132. Then, it flows to the opposite side of the air supply / water supply nozzle 134 in the observation window 132. Therefore, the observation window 132 can be reliably washed up to the opposite side of the air supply / water supply nozzle 134.

実施の形態１と同様の部分については、同一の符号を付して詳細な説明を省略する。 The same parts as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

（実施の形態３）
図１２は、本発明の実施の形態３に係る内視鏡装置１０の洗浄部材３０の外観を示す図である。図１２Ａは、洗浄部材３０の正面図であり、図１２Ｂは、図１２ＡのＢ−Ｂ線による断面図である。(Embodiment 3)
FIG. 12 is a diagram showing the appearance of the cleaning member 30 of the endoscope device 10 according to the third embodiment of the present invention. 12A is a front view of the cleaning member 30, and FIG. 12B is a cross-sectional view taken along the line BB of FIG. 12A.

洗浄部材３０は、Ｕ字状であり、金属又は樹脂製の板材から形成されている。洗浄部材３０は、観察窓１３２の曲面に沿って、先端部１３の端面１３１の長軸方向に、回動する。洗浄部材３０は、回動の際に観察窓１３２と対向する対向湾曲部３２Ａを有する。対向湾曲部３２Ａは、観察窓１３２の表面に倣って湾曲しており、棒状である。 The cleaning member 30 has a U shape and is formed of a plate material made of metal or resin. The cleaning member 30 rotates along the curved surface of the observation window 132 in the long axis direction of the end surface 131 of the tip portion 13. The cleaning member 30 has an opposed curved portion 32A that faces the observation window 132 when rotating. The facing curved portion 32A is curved following the surface of the observation window 132 and has a rod shape.

更に、本発明の実施の形態３に係る内視鏡装置１０においては、洗浄部材３０に、観察窓１３２と接触して観察窓１３２の表面の汚れを拭き取る拭き部材３１Ａが設けられている。拭き部材３１Ａは円筒状であり、拭き部材３１Ａの内径は対向湾曲部３２Ａの外径と略等しく、対向湾曲部３２Ａ及び拭き部材３１Ａは嵌合している。即ち、拭き部材３１Ａが対向湾曲部３２Ａに外嵌されている。拭き部材３１Ａは対向湾曲部３２Ａの長手方向に沿って設けられている。拭き部材３１Ａは、例えば、ゴム、ウレタン、布、不織布又は発砲スチロールからなる。 Further, in the endoscope device 10 according to the third embodiment of the present invention, the cleaning member 30 is provided with a wiping member 31A that comes into contact with the observation window 132 and wipes off dirt on the surface of the observation window 132. The wiping member 31A has a cylindrical shape, the inner diameter of the wiping member 31A is substantially equal to the outer diameter of the facing curved portion 32A, and the facing curved portion 32A and the wiping member 31A are fitted. That is, the wiping member 31A is fitted onto the facing curved portion 32A. The wiping member 31A is provided along the longitudinal direction of the opposed curved portion 32A. The wiping member 31A is made of, for example, rubber, urethane, cloth, non-woven fabric or styrofoam.

洗浄部材３０（対向湾曲部３２Ａ）が観察窓１３２の曲面に沿って回動する際、拭き部材３１Ａは観察窓１３２に当たって、観察窓１３２の表面（曲面）上を摺動する。即ち、洗浄部材３０が観察窓１３２の曲面に沿って回動する際、拭き部材３１Ａは観察窓１３２の表面を拭き、観察窓１３２に付着された、異物、泡、水滴等を取り除く。 When the cleaning member 30 (opposed curved portion 32A) rotates along the curved surface of the observation window 132, the wiping member 31A hits the observation window 132 and slides on the surface (curved surface) of the observation window 132. That is, when the cleaning member 30 rotates along the curved surface of the observation window 132, the wiping member 31A wipes the surface of the observation window 132 to remove foreign substances, bubbles, water droplets, and the like adhering to the observation window 132.

実施の形態１又は２と同様の部分については、同一の符号を付して詳細な説明を省略する。 The same parts as those of the first or second embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

１０ 内視鏡装置
１３ 先端部
１４ 挿入部
１７ 駆動機構
３０ 洗浄部材
３１ 拭き部材
３２ 対向湾曲部
３４ 係合突起
１３２ 観察窓
１３４ 送気送水ノズル
１３４Ａ 送気送水管
１７１ 長円板部材
１７２ バネ部材
１９１ 係合凹部
Ｇ 間隔10 Endoscope device 13 Tip part 14 Insertion part 17 Drive mechanism 30 Cleaning member 31 Wiping member 32 Opposing curved part 34 Engaging protrusion 132 Observation window 134 Air supply water supply nozzle 134A Air supply water supply pipe 171 Elliptical plate member 172 Spring member 191 Engagement recess G spacing

Claims (3)

体内に挿入される挿入部の先端に凸レンズを有する内視鏡装置において、
前記凸レンズの曲面に沿って回動し、該凸レンズを洗浄する洗浄部材を備え、
前記洗浄部材はＵ字状であり、前記凸レンズと対向する対向湾曲部を有し、
前記対向湾曲部と前記凸レンズとの間には所定の間隔が設けられており、
洗浄液体又は洗浄気体を、前記間隔側に、前記凸レンズの表面に沿って噴射するノズルと、
前記洗浄部材の両端部の内側面に夫々設けられた突起部と、
前記挿入部の先端部に設けられ、何れかの突起部と係合して前記突起部と共に回転する係合凹部とを更に備えることを特徴とする内視鏡装置。 In an endoscope device having a convex lens at the tip of an insertion part to be inserted into the body,
A cleaning member that rotates along the curved surface of the convex lens and cleans the convex lens is provided.
The cleaning member is U-shaped and has an opposed curved portion facing the convex lens.
A predetermined distance is provided between the opposed curved portion and the convex lens.
A nozzle that injects a cleaning liquid or a cleaning gas on the interval side along the surface of the convex lens.
Protrusions provided on the inner surfaces of both ends of the cleaning member, and
An endoscope device provided at a tip end portion of the insertion portion, further comprising an engaging recess that engages with any of the protrusions and rotates together with the protrusion. 前記洗浄液体又は前記洗浄気体の噴射に連動して前記係合凹部を回転させる駆動機構を備えることを特徴とする請求項１に記載の内視鏡装置。 The endoscope device according to claim 1, further comprising a drive mechanism that rotates the engaging recess in conjunction with the injection of the cleaning liquid or the cleaning gas. 前記駆動機構は、
一端部が前記係合凹部に固定された長円板部材と、
前記長円板部材の他端部に連結され、伸縮によって前記長円板部材を、前記一端部を中心に回動させるバネ部材とを有することを特徴とする請求項２に記載の内視鏡装置。 The drive mechanism
An elliptical plate member whose one end is fixed to the engaging recess,
The endoscope according to claim 2 , further comprising a spring member connected to the other end of the elliptical member and rotating the elliptical member around the one end by expansion and contraction. apparatus.
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CN114098598B (en) * 2021-10-15 2024-09-20 苏州优脉瑞医疗科技有限公司 Endoscope auxiliary probe with anti-interference capability

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JP2006218240A (en) * 2005-02-14 2006-08-24 Olympus Medical Systems Corp Endoscope apparatus
JP2012120701A (en) * 2010-12-08 2012-06-28 Fujifilm Corp Endoscope
KR20180033949A (en) * 2016-09-27 2018-04-04 울산대학교 산학협력단 Wide-angle laparoscope with the washing system

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Publication number Priority date Publication date Assignee Title
JP2006218240A (en) * 2005-02-14 2006-08-24 Olympus Medical Systems Corp Endoscope apparatus
JP2012120701A (en) * 2010-12-08 2012-06-28 Fujifilm Corp Endoscope
KR20180033949A (en) * 2016-09-27 2018-04-04 울산대학교 산학협력단 Wide-angle laparoscope with the washing system

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