JPH06217928A - Device for unfastening angle lock of endoscope - Google Patents
Device for unfastening angle lock of endoscopeInfo
- Publication number
- JPH06217928A JPH06217928A JP5012876A JP1287693A JPH06217928A JP H06217928 A JPH06217928 A JP H06217928A JP 5012876 A JP5012876 A JP 5012876A JP 1287693 A JP1287693 A JP 1287693A JP H06217928 A JPH06217928 A JP H06217928A
- Authority
- JP
- Japan
- Prior art keywords
- endoscope
- pulleys
- motors
- battery voltage
- pulley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、内視鏡挿入部の湾曲部
の湾曲操作用のワイヤがバッテリ駆動のモータにより駆
動される内視鏡に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope in which a wire for bending a bending portion of an endoscope insertion portion is driven by a battery-driven motor.
【０００２】[0002]
【従来の技術】内視鏡には手動で湾曲操作ノブを操作し
て内視鏡挿入部の湾曲部を湾曲操作するタイプと、バッ
テリによりモータを駆動し、モータの回転力により湾曲
操作用ワイヤを牽引するプーリを回転させて内視鏡挿入
部の湾曲部を湾曲操作するタイプのものがある。2. Description of the Related Art An endoscope is of a type in which a bending operation knob is manually operated to bend a bending portion of an endoscope insertion portion, and a motor is driven by a battery, and a bending operation wire is driven by a rotational force of the motor. There is a type in which the bending portion of the endoscope insertion portion is bent by rotating a pulley that pulls the.
【０００３】[0003]
【発明が解決しようとする課題】後者のタイプのもの
は、バッテリ電圧が低下すると、モータが作動不能にな
り、湾曲部が曲がった状態でロックされるという不測の
事態が生じる。このように湾曲部が曲がったままロック
されると、曲がりくねった孔等の観察部位から湾曲部が
引き抜けないという場合がある。In the latter type, when the battery voltage drops, the motor becomes inoperable and an unexpected situation occurs in which the bending portion is locked in a bent state. If the curved portion is locked while being bent as described above, the curved portion may not be pulled out from an observation site such as a meandering hole.
【０００４】本発明は、このような事情に鑑みてなされ
たもので、バッテリ電圧が低下しても湾曲部がロックさ
れない内視鏡のアングルロック解除装置を提案すること
を目的とする。The present invention has been made in view of the above circumstances, and an object thereof is to propose an angle unlocking device for an endoscope in which the bending portion is not locked even when the battery voltage drops.
【０００５】[0005]
【課題を解決するための手段】本発明は、前記目的を達
成するために、挿入部の湾曲部の湾曲操作用のワイヤが
バッテリ駆動のモータにより駆動される内視鏡に於い
て、前記モータと前記ワイヤが牽引されるプーリとの間
には電磁クラッチが配置され、バッテリ電圧検知手段に
よりバッテリ電圧が低下したことを検知すると、電磁ク
ラッチの接続を解放してモータとプーリとの接続を断つ
ことを特徴としている。In order to achieve the above object, the present invention provides an endoscope in which a wire for bending a bending portion of an insertion portion is driven by a battery-driven motor. An electromagnetic clutch is disposed between the wire and the pulley to which the wire is pulled. When the battery voltage detecting means detects that the battery voltage has dropped, the connection of the electromagnetic clutch is released to disconnect the connection between the motor and the pulley. It is characterized by that.
【０００６】[0006]
【作用】本発明では、バッテリ電圧検知手段がバッテリ
電圧の低下を検知すると、電磁クラッチが解放し、モー
タとプーリとの接続を断つ。これにより湾曲部のロック
は解除されてフリーとなるので、バッテリ電圧が低下し
ても内視鏡挿入部が観察部位から簡単に引き抜ける。According to the present invention, when the battery voltage detecting means detects a decrease in the battery voltage, the electromagnetic clutch is released and the connection between the motor and the pulley is cut off. As a result, the bending portion is unlocked and becomes free, so that the endoscope insertion portion can be easily pulled out from the observation site even when the battery voltage drops.
【０００７】[0007]
【実施例】以下添付図面に従って本発明に係る内視鏡の
アングルロック解除装置の好ましい実施例を詳説する。
図１では本願発明が適用される工業用内視鏡の接続シス
テムが開示され、内視鏡挿入部１０は後述するプーリボ
ックス１２に接続され、このプーリボックス１２の下面
はモータコントロールボックス１４に連結されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of an angle lock releasing device for an endoscope according to the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 discloses a system for connecting an industrial endoscope to which the present invention is applied. The endoscope insertion portion 10 is connected to a pulley box 12 described below, and the lower surface of the pulley box 12 is connected to a motor control box 14. Has been done.
【０００８】プーリボックス１２はケーブル１６を介し
て中央制御ユニット１８に接続されると共にケーブル２
０を介して光源ユニット２２と接続されている。中央制
御ユニット１８はケーブル２４を介して光源ユニット２
２と接続され、ケーブル２６を介してバッテリ２８と接
続され、ケーブル３０を介してモニタ３２と接続されて
いる。更に、プーリボックス１２にはケーブル３４を介
してリモコン３６が接続されている。The pulley box 12 is connected to a central control unit 18 via a cable 16 and the cable 2
It is connected to the light source unit 22 via 0. The central control unit 18 is connected to the light source unit 2 via the cable 24.
2, is connected to the battery 28 via the cable 26, and is connected to the monitor 32 via the cable 30. Further, a remote controller 36 is connected to the pulley box 12 via a cable 34.
【０００９】図２では、図１の工業用内視鏡の制御ブロ
ック図が示され、挿入部１０にはＣＣＤ４０が配置さ
れ、ＣＣＤ４０からの映像信号はケーブル４２をプーリ
ボックス１２、中央制御ユニット１８に接続されてい
る。ＣＣＤ４０からの映像信号は中央制御ユニット１８
で画像処理され、モニタ３２に表示される。一方、挿入
部１０にはライトガイド４４が配置され、ライトガイト
４４はプーリボックス１２を介して光源ユニット２２の
図示しない光源と接続されている。バッテリ２８は中央
制御ユニット１８と光源ユニット２２と接続され、両者
を駆動する。FIG. 2 shows a control block diagram of the industrial endoscope shown in FIG. 1, in which a CCD 40 is arranged in the insertion portion 10, and a video signal from the CCD 40 uses a cable 42, a pulley box 12, and a central control unit 18. It is connected to the. The video signal from the CCD 40 is sent to the central control unit 18
The image is processed by and displayed on the monitor 32. On the other hand, a light guide 44 is arranged in the insertion portion 10, and the light guide 44 is connected to a light source (not shown) of the light source unit 22 via the pulley box 12. The battery 28 is connected to the central control unit 18 and the light source unit 22 and drives both.
【００１０】図３では、プーリボックス１２とモータコ
ントロールボックス１４の内部構造が示され、プーリ５
０、５２はプーリボックス１２に図示しない支持部材を
介して回動自在に支持されると共に、ワイヤ５４、５
４、５６、５６が連結されていて内視鏡挿入部１０の先
端湾曲部を上下、左右に湾曲させる。モータコントロー
ルボックス１４には、プーリ５０、５２に対応してモー
タ５８、６０が配置され、モータ５８、６０には、夫々
ギアボックス６２、６４、電磁クラッチ６３、６５を介
してジョイント６６、６８と接続されている。ジョイン
ト６６、６８は６６Ａ、６８Ａを有し、プーリ５０、５
２の爪５０Ａ、５２Ａと噛み合い、モータ５８、６０の
回転力をプーリ５０、５２に伝達するようになってい
る。In FIG. 3, the internal structure of the pulley box 12 and the motor control box 14 is shown.
0 and 52 are rotatably supported by the pulley box 12 through a supporting member (not shown), and the wires 54 and 5
4, 56, 56 are connected to bend the tip bending portion of the endoscope insertion portion 10 vertically and horizontally. Motors 58 and 60 are arranged in the motor control box 14 corresponding to the pulleys 50 and 52, and the motors 58 and 60 are connected to joints 66 and 68 via gearboxes 62 and 64 and electromagnetic clutches 63 and 65, respectively. It is connected. The joints 66, 68 have 66A, 68A, and the pulleys 50, 5
It meshes with the second claws 50A and 52A and transmits the rotational force of the motors 58 and 60 to the pulleys 50 and 52.
【００１１】図４ではジョイント６６の内部構造が示さ
れ、ジョイント６６は、ジョイント板６６Ｂと、ばね６
６Ｄ、６６Ｅが収納されるケース６６Ｃとから構成され
る。ジョイント６６Ｂとケース６６Ｃとの間には、コイ
ルばね６６Ｄが配置され、ジョイント板６６Ｂは接続時
に下方に逃げて接続を容易にする。また、ジョイント板
６６Ｂとケース６６Ｃとの間には、回り止め用ばね板６
６Ｅが配置される。即ち、回り止め用ばね６６Ｅの上方
折曲部６６Ｆはジョイント板６６Ｂの孔６６Ｇに挿入さ
れ、下方折曲部６６Ｈはケース６６Ｃの孔６６Ｉに挿入
されてジョイント板６６Ｂの回り止めをするようになっ
ている。ケース６６Ｃはジョイント板６６Ｂ内下面に収
納されもよいしジョイント板６６Ｂを収納してもよい。FIG. 4 shows the internal structure of the joint 66. The joint 66 includes a joint plate 66B and a spring 6.
6D and 66E are housed in a case 66C. A coil spring 66D is arranged between the joint 66B and the case 66C, and the joint plate 66B escapes downward during connection to facilitate the connection. In addition, between the joint plate 66B and the case 66C, the detent spring plate 6 is provided.
6E is arranged. That is, the upper bent portion 66F of the detent spring 66E is inserted into the hole 66G of the joint plate 66B, and the lower bent portion 66H is inserted into the hole 66I of the case 66C to detent the joint plate 66B. ing. The case 66C may be housed in the lower surface of the joint plate 66B or the joint plate 66B.
【００１２】図５では、本発明に係るアングルロック解
除装置の制御ブロック図が示され、コンパレータ７０に
はバッテリ電圧ＶB （例えば１２Ｖ）が入力されると共
に基準電圧Ｖref （例えば８Ｖ）が入力される。コンパ
レータ７０は、バッテリ２８が正常時には、ＶB ＞Ｖ
ref であるので、ロー信号が出力され、従ってトランジ
スタ７２はオンされずアラーム用ＬＥＤ７４は点灯しな
い。また、スイッチ回路７６はロー信号では接続されな
いので電磁クラッチ６３（６５）は作動せず、電磁クラ
ッチは接続状態を維持し、モータ５８、６０の回転力を
プーリ５０、５２に伝達する。FIG. 5 is a control block diagram of the angle lock releasing device according to the present invention, in which the battery voltage V B (for example, 12 V) and the reference voltage V ref (for example, 8 V) are input to the comparator 70. To be done. When the battery 28 is normal, the comparator 70 has V B > V
Since it is ref , a low signal is output, therefore the transistor 72 is not turned on and the alarm LED 74 is not turned on. Further, since the switch circuit 76 is not connected by the low signal, the electromagnetic clutch 63 (65) does not operate, the electromagnetic clutch maintains the connected state, and the rotational force of the motors 58 and 60 is transmitted to the pulleys 50 and 52.
【００１３】一方、バッテリ２８の電圧ＶB が低下して
ＶB ＜Ｖref となると、コンパレータ７０からはハイ信
号が出入され、トランジスタ７２がオンしてＬＥＤ７４
にレギュレータ７８からの電流が流れてＬＥＤ７４が点
灯し、アラームを発する。同時にハイ信号がスイッチ回
路７６に入力し、スイッチ回路がオンとなり、電磁クラ
ッチ６３（６５）の接続が解除される。これにより、プ
ーリ５０、５２はモータ５８、６０との接続が解除さ
れ、湾曲部のロックは解除され、湾曲部は自由に湾曲す
る。従って挿入部１０は、曲がりくねった観察孔から容
易に引き抜くことが出来る。On the other hand, when the voltage V B of the battery 28 drops and V B <V ref , a high signal is output / input from the comparator 70, the transistor 72 is turned on, and the LED 74 is turned on.
A current flows from the regulator 78 to the LED 74, the LED 74 lights up, and an alarm is issued. At the same time, a high signal is input to the switch circuit 76, the switch circuit is turned on, and the electromagnetic clutch 63 (65) is disconnected. As a result, the pulleys 50 and 52 are disconnected from the motors 58 and 60, the bending portions are unlocked, and the bending portions are freely bent. Therefore, the insertion portion 10 can be easily pulled out from the winding observation hole.
【００１４】[0014]
【発明の効果】以上説明したように本発明に係る内視鏡
のアングルロック解除装置によれば、バッテリ電圧が低
下すると、プーリとモータとを接続する電磁クラッチが
解放してプーリとモータとの接続が断たれるので、湾曲
部のロックは解除され、曲がりくねった孔等から容易に
湾曲部を引き抜くことが出来る。As described above, according to the angle unlocking device for an endoscope of the present invention, when the battery voltage drops, the electromagnetic clutch connecting the pulley and the motor is released to connect the pulley and the motor. Since the connection is disconnected, the lock of the bending portion is released, and the bending portion can be easily pulled out from the winding hole or the like.
【図１】本願発明が適用される工業用内視鏡の接続シス
テムの説明図FIG. 1 is an explanatory diagram of a connection system of an industrial endoscope to which the present invention is applied.
【図２】図１の工業用内視鏡の制御ブロック図FIG. 2 is a control block diagram of the industrial endoscope of FIG.
【図３】プーリボックスのモータコントロールボックス
との内部構造を示す図面FIG. 3 is a drawing showing an internal structure of a pulley box and a motor control box.
【図４】ジョイントの内部構造を示す図面FIG. 4 is a drawing showing the internal structure of the joint.
【図５】本発明のアングルロック解除装置の制御ブロッ
ク図FIG. 5 is a control block diagram of the angle lock releasing device of the invention.
１０…挿入部 ５０、５２…プーリ ５８、６０…モータ ６３、６５…電磁クラッチ ７０…コンパレータ ７４…アラーム用ＬＥＤ ７６…スイッチ回路 10 ... Insertion part 50, 52 ... Pulley 58, 60 ... Motor 63, 65 ... Electromagnetic clutch 70 ... Comparator 74 ... Alarm LED 76 ... Switch circuit
Claims (1)
ッテリ駆動のモータにより駆動される内視鏡に於いて、 前記モータと前記ワイヤが牽引されるプーリとの間には
電磁クラッチが配置され、バッテリ電圧検知手段により
バッテリ電圧が低下したことを検知すると、電磁クラッ
チの接続を解放してモータとプーリとの接続を断つこと
を特徴とする内視鏡のアングルロック解除装置。1. An endoscope in which a wire for bending a bending portion of an insertion portion is driven by a battery-powered motor, wherein an electromagnetic clutch is provided between the motor and a pulley to which the wire is pulled. An angle lock releasing device for an endoscope, wherein the angle lock releasing device is arranged and disconnects the connection between the motor and the pulley by disconnecting the electromagnetic clutch when the battery voltage detecting means detects that the battery voltage has dropped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5012876A JP2940327B2 (en) | 1993-01-28 | 1993-01-28 | Angle lock release device for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5012876A JP2940327B2 (en) | 1993-01-28 | 1993-01-28 | Angle lock release device for endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06217928A true JPH06217928A (en) | 1994-08-09 |
| JP2940327B2 JP2940327B2 (en) | 1999-08-25 |
Family
ID=11817630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5012876A Expired - Fee Related JP2940327B2 (en) | 1993-01-28 | 1993-01-28 | Angle lock release device for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2940327B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003230536A (en) * | 2002-02-07 | 2003-08-19 | Olympus Optical Co Ltd | Electric curving endoscope |
| WO2006059722A1 (en) * | 2004-12-03 | 2006-06-08 | Olympus Corporation | Bendable endoscope of type where insertion section is removable and electrically bendable endoscope device of type where insertion section is removable |
| WO2006059721A1 (en) * | 2004-12-03 | 2006-06-08 | Olympus Corporation | Electrically bendable endoscope of type where insertion section is removable |
| EP2016885A1 (en) * | 2007-06-12 | 2009-01-21 | Olympus Medical Systems Corporation | Attachment and detachment mechanism |
| WO2022246417A1 (en) * | 2021-05-19 | 2022-11-24 | Boston Scientific Scimed, Inc. | Medical devices and related methods |
| WO2023203485A1 (en) * | 2022-04-19 | 2023-10-26 | Boston Scientific Medical Device Limited | Control assemblies for medical devices and related methods of use |
-
1993
- 1993-01-28 JP JP5012876A patent/JP2940327B2/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003230536A (en) * | 2002-02-07 | 2003-08-19 | Olympus Optical Co Ltd | Electric curving endoscope |
| EP1818005A4 (en) * | 2004-12-03 | 2009-08-12 | Olympus Corp | Power driven bending endoscope with detachable insertion portion |
| WO2006059721A1 (en) * | 2004-12-03 | 2006-06-08 | Olympus Corporation | Electrically bendable endoscope of type where insertion section is removable |
| EP1818005A1 (en) * | 2004-12-03 | 2007-08-15 | Olympus Corporation | Power driven bending endoscope with detachable insertion portion |
| JPWO2006059722A1 (en) * | 2004-12-03 | 2008-06-05 | オリンパス株式会社 | Insertion section detachable bending endoscope and insertion section detachable electric bending endoscope apparatus |
| WO2006059722A1 (en) * | 2004-12-03 | 2006-06-08 | Olympus Corporation | Bendable endoscope of type where insertion section is removable and electrically bendable endoscope device of type where insertion section is removable |
| US7828723B2 (en) | 2004-12-03 | 2010-11-09 | Olympus Corporation | Power driven bending endoscope with detachable insertion portion |
| JP4674214B2 (en) * | 2004-12-03 | 2011-04-20 | オリンパス株式会社 | Insertable / detachable electric bending endoscope device |
| US8303487B2 (en) | 2004-12-03 | 2012-11-06 | Olympus Corporation | Power driven bending endoscope device with detachable insertion portion |
| EP2016885A1 (en) * | 2007-06-12 | 2009-01-21 | Olympus Medical Systems Corporation | Attachment and detachment mechanism |
| US8512230B2 (en) | 2007-06-12 | 2013-08-20 | Olympus Medical Systems Corp. | Attachment and detachment mechanism |
| WO2022246417A1 (en) * | 2021-05-19 | 2022-11-24 | Boston Scientific Scimed, Inc. | Medical devices and related methods |
| WO2023203485A1 (en) * | 2022-04-19 | 2023-10-26 | Boston Scientific Medical Device Limited | Control assemblies for medical devices and related methods of use |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2940327B2 (en) | 1999-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |