JP3372273B2 - Endoscope apparatus - Google Patents

Endoscope apparatus

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Publication number
JP3372273B2
JP3372273B2 JP26381292A JP26381292A JP3372273B2 JP 3372273 B2 JP3372273 B2 JP 3372273B2 JP 26381292 A JP26381292 A JP 26381292A JP 26381292 A JP26381292 A JP 26381292A JP 3372273 B2 JP3372273 B2 JP 3372273B2
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portion
endoscope
connecting portion
bending
connecting
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JPH06114001A (en
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明 鈴木
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オリンパス光学工業株式会社
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Description

【発明の詳細な説明】 【0001】 【産業上の利用分野】本発明は、内視鏡挿入部の先端側に設けられている例えば湾曲部などの可動部を内視鏡の外部に配設した電動モータなどで駆動する内視鏡装置に関する。 BACKGROUND OF THE INVENTION [0001] Field of the Invention The present invention is disposed outside of the endoscope moving parts, such as for example a curved portion provided on the distal end side of the endoscope insertion portion an endoscope device that drives and more at the electric motor. 【0002】 【従来の技術】従来、体腔内に細長の挿入部を挿入することにより、体腔内の臓器を観察したり、必要に応じ、 [0004] Conventionally, by inserting the insertion portion of the elongated into a body cavity, to observe an organ in the body cavity, if necessary,
処置具チャンネル内に処置具を挿通して、各種治療及び処置のできる内視鏡が広く利用されている。 By inserting the treatment instrument into the treatment instrument channel, an endoscope which can various therapy and treatment have been widely used. また、医療分野に限らず工業分野においても、ボイラ,タービン, In addition, also in the industrial field is not limited to the medical field, boiler, turbine,
エンジン,化学プラントなどの内部の傷や腐蝕を観察したり検査するための工業用内視鏡が広く利用されている。 Engine, industrial endoscopes for inspecting or observing the interior of scratches and corrosion, such as chemical plants are widely used. 【0003】近年、前記内視鏡挿入部の先端側に設けられている、例えば、湾曲部に操作ワイヤを接続し、この操作ワイヤを電動モータによって牽引することによって上下/左右に自在に湾曲させるように構成した内視鏡装置が用いられている。 In recent years, are provided on the distal end side of the endoscope insertion portion, for example, to connect the operation wire in the curved portion, curving freely vertically / horizontally by pulling the operating wire by an electric motor configured endoscope apparatus is used as. 前記内視鏡の湾曲部は、内視鏡の操作部に設けた湾曲スイッチの操作に対応して駆動する電動モータの駆動力によって操作ワイヤを牽引して湾曲部を上下、或いは、左右方向に湾曲させて所望の湾曲角を設定して内視鏡先端部に設けた被写体像の入射する観察窓を観察部位に対設させるようにしている。 Curvature of the endoscope, the bending portion by pulling the operation wire by the driving force of the electric motor for driving in response to operation of the bending switch provided on the operation portion of the endoscope up and down, or the left-right direction It is curved so that is oppositely arranged to the observation site incident observation window of an object image formed in the endoscope tip to set the desired bending angle. 【0004】そして、特開平3−280919号公報には湾曲部などを湾曲させるためのモータを内視鏡操作部の外部に設け、この内視鏡操作部の外部に設けたモータと内視鏡とを着脱自在にした内視鏡装置が提案されている。 [0004] Then, in Japanese Unexamined Patent Publication No. 3-280919 is provided outside of the endoscope operation portion motors for bending and curved portion, motor and an endoscope provided outside of the endoscope operation portion the endoscope apparatus which detachably are proposed and. 前記内視鏡装置は、モータを操作部の外部に設けることによって内視鏡操作部を軽量化することができるので内視鏡操作部を片手で把持しながら湾曲スイッチを容易に操作することができると共に、モータから内視鏡が着脱自在なことによって内視鏡の洗滌及び消毒作業を確実、且つ、容易に行なえるようになった。 The endoscope apparatus be easily operating the bending switch while holding the endoscope operation portion with one hand it is possible to reduce the weight of the endoscope operation section by providing the outside of the operation portion of the motor it is possible, ensures cleaning and disinfection of the endoscope by the endoscope is removable from the motor, and became easily so. 【0005】 【発明が解決しようとする課題】しかしながら、前記特開平3−280919号公報に提案されている内視鏡装置ではモータと内視鏡とを連結する際、このモータの出力軸(第2の連結部)と内視鏡の連結部(第1の連結部)とを同軸に接続することが難しく、特に、上下用モータ及び左右用モータの二つの出力軸(第2の連結部) However [0005] When endoscopic apparatus proposed in JP-A Hei 3-280919 is connecting the motor and the endoscope, the output shaft of the motor (the connecting portion of the endoscope and two connecting portions) (first connecting portion) and it is difficult to connect to coaxially, in particular, two output axes of the upper and lower motor and lateral motion motor (second connecting portion)
を有する湾曲制御装置と内視鏡の上下用動力伝達部連結部及び左右用動力伝達部連結部(第1の連結部)とを同軸に接続することは極めて困難であった。 Connecting the curving control device and the endoscope vertical power transmission unit connecting portion and the right and left power transmission portion connecting portion of the (first connecting portion) coaxially with has been very difficult. 【0006】本発明は上記事情に鑑みてなされたもので、内視鏡に備えられている可動部に接続する動力伝達部に設けた第1の連結部と、内視鏡の外部に設けた動力源に設けた第2の連結部とを着脱自在であって同軸に連結する内視鏡装置を提供することを目的としている。 [0006] The present invention has been made in view of the above circumstances, a first connecting portion provided in the power transmission portion connected to the movable portion provided in the endoscope, is provided outside of the endoscope and its object is to provide an endoscope apparatus for connecting a detachable and a second connecting portion provided in the power source coaxially. 【0007】 【課題を解決するための手段】本発明による内視鏡装置は、内視鏡に備えられた可動部に一端が接続され前記内視鏡の内部を延出する動力伝達部と、この動力伝達部の [0007] The endoscope apparatus according to the present invention SUMMARY OF THE INVENTION comprises a power transmission unit for one end connected to a movable portion provided to the endoscope extends the inside of the endoscope, the power transmission unit
他端に設けられる第1の連結部と、 前記第1の連結部に A first connecting portion provided at the other end, to said first connecting portion
設けられ、その端部が先細に形成された案内部と、この Provided a guide portion whose end portion is formed tapered, the
案内部と嵌合し、先端側から後方側に向かって傾斜する Mates with the guide portion, is inclined toward the rear side from the front end side
傾斜面を形成する被案内部と、一端が前記被案内部と、 A guided portion which forms an inclined surface, and one end of the guided portion,
他端が前記内視鏡の外部に配設した動力源の駆動軸と連 Drive shaft and communicating the power source and the other end is disposed outside of the endoscope
結する第2の連結部と、前記第2の連結部と前記動力源との間に配設され、前記第1の連結部と第2の連結部とを連結する際に前記案内部が相対的に前記被案内部の傾 A second connecting portion that binding, the disposed between the second connecting portion and the power source, the guide portion relative to the time of connecting the a first connecting portion and second connecting portion to inclination of the guided portion
斜面に案内された結果、前記第1及び第2の連結部の相 Results guided to the inclined surface, the first and second phase of the connection portion of the
対的な移動量を吸収するカップリング手段と、を具備したことを特徴とする。 Characterized by comprising coupling means for absorbing pairs movement amount. 【0008】 【0009】 【実施例】以下、図面を参照して本発明の実施例を説明する。 [0008] [0009] [Embodiment] Hereinafter, an embodiment of the present invention with reference to the drawings. 図1ないし図9は本発明の一実施例に係り、図1 1 to 9 relates to an embodiment of the present invention, FIG. 1
は内視鏡装置の概略構成を示す説明図、図2は動力伝達部及び動力源の概略構成を示す断面図、図3は図2のA Explanatory view showing a schematic configuration of an endoscope apparatus, Fig. 2 is a sectional view showing a schematic configuration of the power transmission unit and the power source, of FIG. 3 FIG. 2 A
−A断面図、図4は動力伝達部の第1の連結部の側面図、図5はコネクタ内部の概略構成を示す説明図、図6 -A sectional view, FIG. 4 is a side view of the first connecting portion of the power transmission unit, Figure 5 is an explanatory view schematically illustrating an inner structure of a connector, FIG. 6
は動力伝達部の第1の連結部及び動力源の第2の連結部の側面図、図7は動力伝達部の第1の連結部及び動力部の第2の連結部の正面図、図8はコネクタの概略を示す説明図、図9は鉗子起立装置用ワイヤの断面図である。 Second side view of the connection portion of the first connecting portion and the power source of the power transmission section, FIG. 7 is a front view of the second coupling portion of the first connecting portion and the power portion of the power transmission unit, Fig. 8 explanatory view schematically showing a connector, FIG. 9 is a sectional view of the wire clamp standing device. 【0010】図1に示すように、内視鏡装置1は、例えば、体腔内に挿入する内視鏡挿入部2の先端側に可動部となる湾曲部3を配設した湾曲可能な内視鏡4と、この内視鏡4の湾曲部3を制御する湾曲制御装置5と、前記内視鏡4の観察部位を照射するための光源装置6と、体腔内を目視観察するために画像制御装置7に接続されるモニタ8と、体腔内に送水、或いは、体液を吸引する流体制御装置9などから構成している。 [0010] As shown in FIG. 1, an endoscope apparatus 1 is, for example, bendable endoscope which is disposed a curved portion 3 serving as a movable portion on the distal end side of the endoscope insertion portion 2 to be inserted into the body cavity a mirror 4, a bending control device 5 for controlling the bending portion 3 of the endoscope 4, a light source device 6 for illuminating the observation portion of the endoscope 4, the image control to visually observe the inside of the body cavity a monitor 8 connected to the apparatus 7, water supply to the body cavity, or constitute the like fluid control device 9 for sucking the fluid. 【0011】前記内視鏡4は、被検体に挿通する内視鏡挿入部2の先端側より硬性の先端部41,湾曲自在な湾曲部3,可撓性を有する可撓部42を順次連接する一方、この内視鏡挿入部2の後端に操作部43を連設している。 [0011] The endoscope 4, the endoscope insertion portion 2 of the tip of the rigid than side tip 41 which is inserted into the subject, a bendable bending portion 3, sequentially connecting the flexible portion 42 having flexibility while, are continuously provided the operation unit 43 to the rear end of the endoscope insertion portion 2. そして、前記操作部43の後端には湾曲スイッチ44が設けられ、この湾曲スイッチ44を操作することによって湾曲制御装置5の動力源であるモータが駆動して湾曲部3から延出されている動力伝達部を介して湾曲部3を所定量湾曲させて内視鏡先端部41の図示しない観察窓を観察部に対設させるようになっている。 Then, the rear end of the operating unit 43 is provided curved switch 44, the motor is extended from the curved section 3 is driven, which is the power source of the bending control device 5 by operating the bending switch 44 and it is adapted to contraposed the observation portion of an observation window (not shown) of the endoscope distal end portion 41 of the curved portion 3 through the power transmission unit by a predetermined amount curved. 【0012】なお、前記内視鏡4の先端部41には、図示しない観察部を照明する配光レンズ、観察部を観察するための対物レンズや処置具・チューブなどを挿通するための処置具挿通用チャンネルなどが設けられている。 [0012] Incidentally, the tip portion 41 of the endoscope 4, the light distributing lens for illuminating the observation portion (not shown), a treatment instrument for inserting and objective lens and the treatment instrument tube for observing an observation portion such as the insertion channel is provided.
そして、前記対物レンズの結像位置には固体撮像素子が配設され、この固体撮像素子の後端からは信号線が延出されている。 Then, the imaging position of the objective lens to the solid-state image pickup element is arranged, the solid from the rear end of the image sensor signal line is extended. また、前記配光レンズの後端にはライトガイドが臨まれている。 Further, the light guide is faced to the rear end of the light distribution lens. さらに、前記湾曲部3の湾曲駒には上下方向及び左右方向に湾曲部を湾曲させるための上下用操作ワイヤ及び左右用操作ワイヤがそれぞれ所定の位置に接続されている。 Moreover, said the bending piece of the bending portion 3 vertically for operation wire and the left and right manipulation wire for bending the bending portion in the vertical and horizontal directions are respectively connected to predetermined positions. 【0013】前記固体撮像素子から延出する信号線は、 [0013] a signal line extending from the solid-state imaging device,
挿入部2,操作部43,ユニバーサルコード45、コネクタ30の内部を挿通して電気ケーブル31を介して画像制御装置7に電気的に接続されるようになっている。 The insertion portion 2, the operation unit 43, a universal cord 45, which is via an electric cable 31 is inserted inside the connector 30 to be electrically connected to the image control device 7.
同様に、前記ライトガイドは、挿入部2,操作部43, Similarly, the light guide, the insertion portion 2, the operation unit 43,
ユニバーサルコード45、コネクタ30の内部を挿通して電気ケーブル32を介して光源装置6に電気的に接続されるようになっている。 Universal cord 45, via an electrical cable 32 is inserted inside the connector 30 is adapted to be electrically connected to the light source apparatus 6. また、前記上下用操作ワイヤ及び左右用操作ワイヤは、湾曲部3,可撓部42,操作部43,ユニバーサルコード45、コネクタ30内部に配設した後述する第1の連結部と湾曲制御装置5の第2 Further, the upper and lower manipulation wires and lateral motion operation wire bending portion 3, the flexible portion 42, operation portion 43, the universal cord 45, the first connecting portion and the bending control unit which will be described later is disposed within the connector 30 5 the second of
の連結部とを連結して湾曲部3を自在に湾曲動作させることができるようになっている。 It has a curved portion 3 connects the connecting portion to be able to freely bending operation. さらに、内視鏡4の処置具挿通用チャンネルに送液用チューブ33などを流体制御装置9を介して挿通することによって観察部位に送液したり、観察部位の液体を吸引することができるようになっている。 Additionally, or fed to observation region by a treatment instrument insertion channel of the endoscope 4, such as the fluid supply tube 33 is inserted through the fluid control device 9, so that it is possible to suck the liquid of the observed region It has become. 【0014】なお、前記湾曲制御装置5に接続されるコネクタ30の先端部30aには、この先端部30aを湾曲制御装置5に接続したとき前記コネクタ30が所定の位置に位置決めされるようにOリングなどの弾性を有する位置決め部材30bが配設されている。 [0014] Incidentally, the a tip portion 30a of the bending control device 5 connector 30 connected to the, O so that the connector 30 when connecting the distal portion 30a to the bending control device 5 is positioned at a predetermined position positioning member 30b is disposed an elastic such as a ring. 【0015】図2に示すようにユニバーサルコード45 The universal cord 45 as shown in FIG. 2
の先端部に設けられているコネクタ30の内部には、上下用操作ワイヤ及び左右用操作ワイヤを牽引するための動力伝達部19に上下用及び左右用の第1の連結部10 The inside of the connector 30 provided at the end portion, the first connecting portion for the vertical motion and lateral to the power transmission unit 19 for pulling the upper and lower manipulation wires and the left and right manipulation wire 10
がこのコネクタ先端部30aから突出しないように設けられている。 There is provided so as not to protrude from the connector tip 30a. 【0016】一方、前記湾曲部3を湾曲させるための湾曲制御装置5には、前記上下用操作ワイヤ及び左右用操作ワイヤを牽引するための動力源としての上下用モータ51及び左右用モータ52とこのモータ51、52の駆動力を第1の連結部10を介してそれぞれの操作ワイヤに伝達するための第2の連結部20が第1の連結部10 [0016] On the other hand, the bending control unit 5 for bending the bending portion 3 includes a vertical motion motor 51 and the lateral motion motor 52 as a power source for retracting the upper and lower manipulation wires and lateral motion operation wire the second connecting portion 20 first connection portion 10 of for transmitting the driving force of the motor 51, 52 to each of the operating wire via the first connecting portion 10 of the
に対応し湾曲制御装置5から突出しない位置に設けられている。 It is provided at a position not protruding from the bending control unit 5 corresponds to. 【0017】すなわち、前記上下用モータ51の駆動軸にはこの上下用モータ51の回転伝達を制御する電磁クラッチ53、駆動軸の偏心を吸収するための第1のユニバーサルカプリング54、ベース台55に図示しないベアリングなどを介して固定された位置決め回転軸56、 [0017] That is, the first universal coupling 54 for absorbing electromagnetic clutch 53, the eccentricity of the drive shaft to the drive shaft for controlling the rotation transmission of the vertical motion motor 51 of the vertical motion motor 51, the base table 55 positioning the rotation shaft 56 fixed via a not shown bearing,
この位置決め回転軸56の偏心を吸収するための第2のユニバーサルカプリング61そして先端部に第2の連結部20を順次配設して上下用モータ51の駆動力が第2 Driving force of the second universal coupling 61 and are sequentially disposed a second connecting portion 20 to the tip vertical motion motor 51 for absorbing the eccentric positioning rotating shaft 56 is a second
の連結部20に伝達されるようになっている。 It is adapted to be transmitted to the connecting portion 20 of the. 【0018】また、左右用モータ52の駆動軸には前記上下用モータ51の駆動軸と同様に電磁クラッチ53及び第1のユニバーサルカプリング54が順次配設され、 Further, the drive shaft as well as the electromagnetic clutch 53 and the first universal coupling 54 of the vertical motion motor 51 are sequentially arranged on the drive shaft of the left and right motor 52,
ベース台55には並列に配設された一組の位置決め回転軸56及び57がタイミングベルト58を介して配設されている。 A pair of positioning rotary shaft 56 and 57 disposed in parallel is provided via a timing belt 58 to the base board 55. そして、前記左右用モータ52の回転を位置決め回転軸57からタイミングベルト58に伝達して位置決め回転軸56、第2のユニバーサルカプリング61 Then, the right and left motor 52 rotates the positioning rotating shaft 57 timing belt 58 positioned rotating shaft 56 is transmitted to from the second universal coupling 61
を介して第2の連結部20に伝達するように配設している。 It is arranged so as to be transmitted to the second connecting portion 20 through the. 【0019】なお、図3に示すように左右用モータ52 [0019] The motor 52 for the left and right as shown in FIG. 3
の駆動力を位置決め回転軸57から位置決め回転軸56 Positioning the rotation axis of the driving force from the positioning rotating shaft 57 56
に伝達するタイミングベルト58がたるまないようにするためにアイドラ59をタイミングベルト58の中途に配設している。 It is arranged in the middle of the timing belt 58 to idler 59 to ensure that the timing belt 58 does not slack to propagate to. 【0020】また、図2及び図4に示すように前記コネクタ30の内部に設けられている第1の連結部10の回転軸34には動力伝達部19としての第1のベベルギア35が固定されており、この第1のベベルギア35と噛合する第2のベベルギア36が前記回転軸34と直交するように配設されている回転軸37に固定されている。 Further, the first bevel gear 35 as a power transmitting section 19 is fixed to the rotary shaft 34 of the first connecting portion 10 that are provided inside the connector 30, as shown in FIGS. 2 and 4 and has a second bevel gear 36 is fixed to the rotary shaft 37 which is arranged perpendicular to the rotary shaft 34 to the first bevel gear 35 meshes.
そして、この回転軸37にはスプロケット38が一体的に配設され、このスプロケット38にチェーン39が噛合している。 Then, the sprocket 38 is disposed integrally to the rotary shaft 37, chain 39 meshes with the sprocket 38. そして、図5に示すようにスプロケット3 The sprocket 3 as shown in FIG. 5
8に噛合しているチェーン39の両端部には内視鏡湾曲部に接続される操作ワイヤが接続されるようになっている。 8 operating wire is connected to the endoscope bending portion at both ends of the chain 39 meshing is adapted to be connected to. 【0021】さらに、図2、或いは、図6及び図7に示すように第1の連結部10、或いは、第2の連結部20 Furthermore, FIG. 2, or the first connecting portion 10 of the as shown in FIGS. 6 and 7, or the second coupling part 20
の先端部には一対の案内部11及び被案内部21を設けている。 The tip portion is provided with a pair of guide portions 11 and the guided portion 21. 図6及び図7に示すように、例えば、第1の連結部10に設けた案内部11は、中心部に軸方向の盲穴12を有する円筒にスリット13が十字形状となるように形成されている。 As shown in FIGS. 6 and 7, for example, the guide portion 11 provided in the first connecting portion 10 of the slit 13 in a cylinder having an axial blind hole 12 is formed to have a cross shape in the center ing. 前記スリット13を嵌合溝として設けたことによって形成された4つの凸部14の先端部1 Tip 1 of the four convex portions 14 formed by providing the slit 13 as the fitting groove
5は先端側から後方側に向かって傾斜する略四角錐状の傾斜面を形成している。 5 forms a substantially pyramidal inclined surface inclined toward the rear side from the front end side. また、第2の連結部20に設けた被案内部21は、略円錐形状に形成した先端部22を有する円筒に前記スリット13に嵌合する嵌合部23を有する先端側を先細に形成した突起部24を設けている。 Further, the guided portion 21 provided in the second connecting portion 20, formed in the tapered tip end having a fitting portion 23 which fits into the slit 13 in the cylinder having a distal end portion 22 formed into a substantially conical shape It is provided a protrusion 24. 【0022】上述のように形成された第1の連結部10 The first coupling portion 10 formed as described above
及び第2の連結部20を有する内視鏡装置1の作用を説明する。 And illustrating the operation of the endoscope apparatus 1 having a second connecting portion 20. まず、術者は、前記内視鏡装置1を使用するとき、内視鏡2のユニバーサルコード45の端部に配設されているコネクタ30に送水用チューブ33及び電気ケーブル31、32などを接続してコネクタ30の先端部30aを湾曲制御装置5に接続する。 First, the operator, when using the endoscope device 1, connecting a water supply tube 33 and electrical cable 31 to the endoscope connector 30 which is disposed at an end of the universal cord 45 of the mirror 2 connecting the front end portion 30a of the connector 30 to the bending control unit 5 and. 【0023】次に、装置の電源をオンにして内視鏡4の湾曲部3を湾曲操作しながら体腔内を照明して内視鏡4 Next, the endoscope 4 to illuminate the body cavity while bending operation of the bending portion 3 of the endoscope 4 Turn on the power of the apparatus
を所望の位置に挿入して観察及び検査・処置を行う。 The insert in the desired position to observe and test-procedures. そして、内視鏡使用後、速やかにコネクタ30を湾曲制御装置5から取り外して内視鏡4の滅菌処理を行う。 After endoscopic use, it performs sterilization of the endoscope 4 removed promptly connector 30 from the bending control unit 5. 【0024】このように、コネクタ30を湾曲制御装置接続部5aに接続する際に、コネクタ30の内部に配設した第1の連結部10に設けた案内部11となる凸部1 [0024] Thus, when connecting the connector 30 to the curving control device connection unit 5a, the convex portion 1 made of a guide portion 11 provided in the first connecting portion 10 of which is disposed within the connector 30
4の先端部15を四角錐状に形成すると共に、湾曲制御装置5の内部に配設した第2の連結部20の被案内部2 4 of the tip 15 so as to form a quadrangular pyramid shape, guided in the second connecting portion 20 which is disposed inside the bending control device 5 section 2
1となる突起部24の先端を先細に形成したことによって第1の連結部10と第2の連結部20の中心軸とがたとえ偏心した状態で接続されようとしても被案内部21 By forming the tapered tip of the protrusion 24 to be 1 first connecting portion 10 and the second connecting portion central axis is guided portion 21 as will be connected in a state of even eccentric 20
の先細の突起部24が案内部11の先端部15の傾斜面に沿って嵌合溝であるスリット13に嵌合部23が合致するように挿入されて同軸に接続することができる。 It can be tapered projection 24 of connecting to inserted and coaxially to the fitting portion 23 matches the slit 13 is fitted groove along the inclined surface of the distal end portion 15 of the guide portion 11. 【0025】また、第1の連結部10、或いは、第2の連結部20に一組の案内部11及び被案内部21を設けたことによって湾曲制御装置5へのコネクタ30の着脱が容易になる一方、第1の連結部10をコネクタ30内部に配設すると共に、第2の連結部20を湾曲制御装置5の内部に配設したので指などが連結部にふれることがなくなるので安全性が向上する。 Further, the first connecting portion 10 of, or be easily removable connector 30 to the bending control device 5 by providing the second connecting portion 20 to a set of guide portion 11 and the guided portion 21 becomes one, with disposing the first connecting portion 10 of the inner connector 30, the safety because since the disposed second connecting portion 20 to the inside of the bending control device 5 such as a finger no longer being exposed to the connecting portion There is improved. 【0026】さらに、コネクタ先端部30aに配設した接続部材30bが湾曲制御装置接続部5aに形成した溝部5bに嵌合してコネクタ30を所定の位置に位置決めして固定することができる。 Furthermore, it is possible to connecting member 30b which is disposed in the connector tip portion 30a to secure the fitted connector 30 into the groove 5b formed in the bending control device connecting portion 5a is positioned at a predetermined position. 【0027】なお、図8に示すようにコネクタ30に電気ケーブル31、32及び送水チューブ33を一体的に接続するジョイント部材81にすることによってコネクタ30と湾曲制御装置5、光源装置6、画像制御装置7 [0027] Incidentally, the curving control device 5 and the connector 30 by the joint member 81 for integrally connecting the electrical cables 31, 32 and the water supply tube 33 to the connector 30 as shown in FIG. 8, the light source device 6, an image control 7
などとの接続を一度に行うことができる。 It is possible to perform the connection and the like at a time. 【0028】また、図9に示すように前記動力源の駆動力を鉗子起上用に用いるときの鉗子起常用ワイヤ91を芳香族アラミド繊維などの寄り線92を使用してテフロン93で被覆することによってテフロン93が寄り線9 Further, coated with Teflon 93 using deviation line 92 of the forceps common wire 91 and aromatic aramid fibers when using the driving force of the power source as shown in FIG. 9 for the upper forceps Teflon 93 more lines by 9
2の繊維と繊維との間に浸透して密着性が向上することによって体腔内で起上操作したときの汚物の付着を抑制することができる。 It is possible to suppress the dirt adhesion of when elevator operation in a body cavity by osmosis to adhesion between the second fiber and the fiber is improved. 【0029】さらに、前記図5に示すようにスプロケット38に噛合するチェーン39は、中央案内板71とガイド板72との間を移動するようになっている。 Furthermore, the chain 39 that meshes to the sprocket 38 as shown in FIG. 5 is adapted to move between the middle guide plate 71 and the guide plate 72. そこで、前記中央案内板71とガイド板72との間を移動するチェーン39の両端部にガイド板側に突出した凸部7 Therefore, the central guide plate 71 and the guide plate projecting portion 7 which projects into the guide plate side at both ends of the chain 39 to move between the 72
3を有するチェーンエンド部材74を配設することによって、このチェーンエンド部材74の凸部73がガイド板用支柱75に当接することによってチェーン39のストッパの役目をする。 By arranging the chain end member 74 having 3, the stopper acts as a chain 39 by the convex portion 73 of the chain end member 74 abuts against the guide plate supporting columns 75. 【0030】 【発明の効果】以上説明したように本発明によれば、内視鏡に備えられている可動部に接続する動力伝達部に設けた第1の連結部と、内視鏡の外部に設けた動力源に設けた第2の連結部とを着脱自在であって同軸に連結する内視鏡装置を提供することができる。 According to the present invention as described in the foregoing, a first connecting portion provided in the power transmission portion connected to the movable portion provided in the endoscope, external of the endoscope it is possible to provide an endoscope apparatus for coupling coaxially a second connecting portion provided in the power source provided a detachably.

【図面の簡単な説明】 【図1】図1ないし図9は本発明の一実施例に係り、図1は内視鏡装置の概略構成を示す説明図【図2】動力伝達部及び動力源の概略構成を示す断面図【図3】図2のA−A断面図【図4】動力伝達部の第1の連結部の側面図【図5】コネクタ内部の概略構成を示す説明図【図6】動力伝達部の第1の連結部及び動力源の第2の連結部の側面図【図7】動力伝達部の第1の連結部及び動力源の第2の連結部の正面図【図8】コネクタの概略を示す説明図【図9】鉗子起立装置用ワイヤの断面図【符号の説明】 1…内視鏡装置10…第1の連結部11…案内部19…動力伝達部20…第2の連結部21…被案内部51…動力源(上下用モータ) BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 through FIG. 9 relates to an embodiment of the present invention, illustration 2 shows the power transmission unit and the power source 1 is showing a schematic configuration of an endoscope apparatus illustration Figure showing a cross-sectional view [FIG 3] a-a cross-sectional view of FIG. 2 and FIG. 4 is a side view of the first connecting portion of the power transmission unit [5] connector internal schematic configuration showing a schematic configuration of 6] the second front view Figure of the second coupling portion of the first connecting portion and the power source side view 7 power transmission part of the connecting portion of the first connecting portion and the power source of the power transmission unit 8 is an explanatory view schematically showing a connector 9 forceps upright sectional view of a device for wire [description of Reference numerals] 1 ... endoscope apparatus 10 ... first connecting portion 11 ... guide portion 19 ... power transmission unit 20 ... second coupling part 21 ... guided portion 51 ... power source (the vertical motion motor)

フロントページの続き (58)調査した分野(Int.Cl. 7 ,DB名) A61B 1/00 - 1/32 G02B 23/24 - 23/26 F16D 1/10 Of the front page Continued (58) investigated the field (Int.Cl. 7, DB name) A61B 1/00 - 1/32 G02B 23/24 - 23/26 F16D 1/10

Claims (1)

  1. (57)【特許請求の範囲】 【請求項1】 内視鏡に備えられた可動部に一端が接続 (57) [Claims 1 one end connected to a movable portion provided in the endoscope
    され前記内視鏡の内部を延出する動力伝達部と、この動 A power transmission section extending the inside of the endoscope is, the dynamic
    力伝達部の他端に設けられる第1の連結部と、 前記第1 A first connecting portion provided at the other end of the force transmission portion, the first
    の連結部に設けられ、その端部が先細に形成された案内 Provided on the connecting portion of the guide whose ends are formed tapered
    部と、この案内部と嵌合し、先端側から後方側に向かっ And parts engaged with the guide portion, toward the rear side from the front end side
    て傾斜する傾斜面を形成する被案内部と、一端が前記被 A guided portion which forms an inclined surface inclined Te, is the object end
    案内部と、他端が前記内視鏡の外部に配設した動力源の A guide portion, the other end of the power source which is arranged outside the endoscope
    駆動軸と連結する第2の連結部と、前記第2の連結部と前記動力源との間に配設され、前記第1の連結部と第2 A second connecting portion that connects the drive shaft, is disposed between the power source and the second connecting portion, said first connecting portion and the second
    の連結部とを連結する際に前記案内部が相対的に前記被 The guide portion is relatively the object when connecting the connecting portion of the
    案内部の傾斜面に案内された結果、前記第1及び第2の連結部の相対的な移動量を吸収するカップリング手段とを具備したことを特徴とする内視鏡装置。 Results guided to the inclined surface of the guide portion, the endoscope apparatus characterized by comprising a coupling means for absorbing the relative movement amount of the first and second connecting portions.
JP26381292A 1992-10-01 1992-10-01 Endoscope apparatus Expired - Fee Related JP3372273B2 (en)

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