JPS6335223A - Endoscope bending apparatus - Google Patents
Endoscope bending apparatusInfo
- Publication number
- JPS6335223A JPS6335223A JP61177725A JP17772586A JPS6335223A JP S6335223 A JPS6335223 A JP S6335223A JP 61177725 A JP61177725 A JP 61177725A JP 17772586 A JP17772586 A JP 17772586A JP S6335223 A JPS6335223 A JP S6335223A
- Authority
- JP
- Japan
- Prior art keywords
- fiber bundle
- optical fiber
- section
- operating
- endoscope
- 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
- 238000005452 bending Methods 0.000 title claims description 13
- 230000037431 insertion Effects 0.000 claims description 31
- 238000003780 insertion Methods 0.000 claims description 31
- 239000013307 optical fiber Substances 0.000 claims description 24
- 238000005286 illumination Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、生体腔内に挿入し、観察、撮影等を行なう
内視鏡湾曲装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an endoscope bending device that is inserted into a living body cavity and used for observation, photography, and the like.
一般に、内視鏡の挿入部は可撓部と湾曲部および先端部
とから構成されている。そして、前記湾曲部を湾曲する
手段としては、たとえば実公昭４８−３１６６９号公報
、実公昭６０−２４３２３号公報に示すように、挿入部
に内装された複数本の操作ワイヤの一端が前記先端部に
連結され、他端が手元操作部に連結されている。そして
、手元操作部の操作によって前記操作ワイヤを押し引き
することによって湾曲部を湾曲して先端部の方向を変え
ている。Generally, the insertion section of an endoscope is composed of a flexible section, a curved section, and a distal end section. As a means for curving the curved portion, for example, as shown in Japanese Utility Model Publication No. 48-31669 and Japanese Utility Model Publication No. 60-24323, one end of a plurality of operating wires housed in the insertion portion is connected to the distal end portion. The other end is connected to the hand control unit. Then, by pushing and pulling the operation wire by operating the hand-held operation section, the bending section is bent and the direction of the tip section is changed.
すなわち、前記実公昭４８−３１６６９号公報のものは
、湾曲部を形成する湾曲管の内周面に操作ワイヤを案内
する複数の挿通孔が内部に突出して設けられている。ま
た、前記実公昭６０−２４３２３号公報のものは、可撓
性チューブに軸方向に亘って複数の中空部が設けられ、
この中空部に操作ワイヤが挿通されている。That is, in the device disclosed in Japanese Utility Model Publication No. 48-31669, a plurality of insertion holes for guiding the operating wire are provided on the inner circumferential surface of the curved tube forming the curved portion so as to protrude inside. Further, in the above-mentioned Japanese Utility Model Publication No. 60-24323, a plurality of hollow portions are provided in the flexible tube in the axial direction,
An operating wire is inserted through this hollow portion.
ところが、前述のように構成された内視鏡の湾曲装置は
、挿入部の湾曲部を湾曲する目的のための複数本の操作
ワイヤを内装しており、さらにこれら操作ワイヤを進退
自在に案内する挿通孔が設けられている。したがって、
これら操作ワイヤを観察用光学繊維束、照明用光学繊維
束および送気・送水チューブとともに挿入部に内装する
必要があり、デッドスペースが生じ、挿入部の細径化が
困難である。However, the endoscope bending device configured as described above includes a plurality of operating wires for the purpose of bending the curved portion of the insertion section, and furthermore, guides these operating wires so that they can move forward and backward. An insertion hole is provided. therefore,
These operating wires must be installed in the insertion section together with the optical fiber bundle for observation, the optical fiber bundle for illumination, and the air/water supply tubes, which creates a dead space and makes it difficult to reduce the diameter of the insertion section.
この発明は、前記事情に着目してなされたもので、その
目的とするところは、操作ワイヤを内装することなく、
湾曲部を湾曲操作することができ、挿入部の細径化が図
れる内視鏡湾曲装置を提供することにある。This invention was made with attention to the above-mentioned circumstances, and its purpose is to eliminate the need for internally incorporating operating wires.
An object of the present invention is to provide an endoscope bending device that can perform a bending operation on a bending section and can reduce the diameter of an insertion section.
〔問題点を解決するための手段及び作用〕この発明は、
内視鏡の挿入部内に挿通された観察用光学繊維束、照明
用光学繊維束、チューブ等の内蔵物の少なくとも一つの
一端を挿入部の先端部に接続固定し、他端を内視鏡の手
元側の操作機構に連結し、前記内蔵物を押し引きするこ
とによって湾曲できるように構成したことにある。[Means and effects for solving the problems] This invention has the following features:
One end of at least one built-in object such as an optical fiber bundle for observation, an optical fiber bundle for illumination, or a tube inserted into the insertion section of the endoscope is connected and fixed to the distal end of the insertion section, and the other end is connected to the end of the endoscope. The structure is such that it is connected to an operating mechanism on the hand side and can be bent by pushing and pulling the built-in object.
以下、この発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below based on the drawings.
第１図乃至第３図は第１の実施例を示すもので、１は内
視鏡であり、これは操作部２と挿入部３とから構成され
ている。そして、操作部２には接眼部４および操作機構
５が設けられている。また、挿入部３は合成樹脂製のマ
ルチルーメンチューブによって形成され、６は可撓部、
７は湾曲部、８は先端部に形成されている。さらに、挿
入部３には軸方向に複数の通路９ａ〜９ｄが設けられ、
通路９ａには観察用光学繊維束１０が内装され、通路９
ｂには照明用光学繊維束１１が内装されている。そして
、観察用光学繊維束１０は挿入部３の先端部８に設けた
対物光学系１２に、照明用光学繊維束１１は照明窓１３
にそれぞれ対向しているとともに、先端部８に固着され
ている。1 to 3 show a first embodiment, and 1 is an endoscope, which is composed of an operating section 2 and an insertion section 3. FIG. The operating section 2 is provided with an eyepiece section 4 and an operating mechanism 5. In addition, the insertion section 3 is formed by a multi-lumen tube made of synthetic resin, and 6 is a flexible section;
7 is formed at the curved portion, and 8 is formed at the tip. Furthermore, the insertion portion 3 is provided with a plurality of passages 9a to 9d in the axial direction,
An observation optical fiber bundle 10 is installed in the passage 9a.
An optical fiber bundle 11 for illumination is installed inside b. The observation optical fiber bundle 10 is connected to an objective optical system 12 provided at the distal end 8 of the insertion section 3, and the illumination optical fiber bundle 11 is connected to an illumination window 13.
are opposed to each other, and are fixed to the tip portion 8.
また、前記観察用光学繊維束１０および照明用光学繊維
束１１は、その長手方向全長に亘って接着剤などによっ
て固めた硬質のコンジットファイバー束によって形成さ
れている。そして、中途部は挿入部３に対してフリーで
あるが、一端側は前記先端部８に固着され、他端側は前
記操作部２まで延長され、この操作部２内に位置する観
察用光学繊維束１０および照明用光学繊維束１１の中途
部には円筒状の操作金具１４．１４が嵌着されている。Further, the optical fiber bundle for observation 10 and the optical fiber bundle for illumination 11 are formed of hard conduit fiber bundles that are hardened with an adhesive or the like over their entire length in the longitudinal direction. The middle part is free with respect to the insertion part 3, but one end is fixed to the distal end part 8, and the other end is extended to the operating part 2, and the observation optical system is located inside the operating part 2. A cylindrical operating fitting 14.14 is fitted in the middle of the fiber bundle 10 and the illumination optical fiber bundle 11.
そして、これら操作金具１４．１４は平行状態に並設さ
れていて、互いに対向する側面にはラック１５．１５が
設けられている。さらに、前記操作金具１４と１４との
間にはピニオン１６が前記ラック１５．１５に歯合して
設けられ、このピニオン１６は前記操作機構５によって
正逆回転可能に構成されている。また、前記観察用光学
繊維束１０の端部は前記接眼部４に接続され、照明用光
学繊維束１１の端部はユニバーサルコード（図示しない
）に接続されている。さらに、前記挿入部３に設けられ
た通路９Ｃは、たとえば送気・送水通路として使用され
、通路９ｄは、たとえば吸引通路として使用される。These operating fittings 14.14 are arranged in parallel, and racks 15.15 are provided on opposing sides. Furthermore, a pinion 16 is provided between the operating fittings 14 and 14 in mesh with the rack 15.15, and this pinion 16 is configured to be rotatable in forward and reverse directions by the operating mechanism 5. Further, the end of the optical fiber bundle for observation 10 is connected to the eyepiece section 4, and the end of the optical fiber bundle for illumination 11 is connected to a universal cord (not shown). Furthermore, the passage 9C provided in the insertion portion 3 is used, for example, as an air/water supply passage, and the passage 9d is used, for example, as a suction passage.
したがって、前述のように構成された内視鏡の湾曲装置
において、操作機構５を回転操作することによって、ピ
ニオン１６が回転し、この回転力はラック１５．１５を
介して操作金具１４．１４に軸方向の往復運動として伝
達される。すなわち、ピニオン１６を時計回りに回転さ
せると、操作金具１４を介して観察用光学繊維束１０が
先端部８側に押されるとともに、操作金具１４を介して
照開用光学繊維束１１が操作部２側に引かれる。したが
って、挿入部３の湾曲部７は矢印ａ方向に湾曲される。Therefore, in the endoscope bending device configured as described above, by rotating the operating mechanism 5, the pinion 16 rotates, and this rotational force is applied to the operating fitting 14.14 via the rack 15.15. It is transmitted as a reciprocating motion in the axial direction. That is, when the pinion 16 is rotated clockwise, the optical fiber bundle for observation 10 is pushed toward the distal end portion 8 side via the operating fitting 14, and the optical fiber bundle for illumination 11 is pushed toward the operating section via the operating fitting 14. drawn to the 2nd side. Therefore, the curved portion 7 of the insertion portion 3 is curved in the direction of arrow a.
また、ピニオン１６を反時計回り方向に回転すると、操
作金具１４を介して照明用光学繊維束１１が先端部８側
に押されるとともに、操作金具１４を介して観察用光学
繊維束１０が操作部２側に引かれる。したがって、挿入
部３の湾曲部７は矢印す方向に湾曲される。したがって
、観察用光学繊維束１０および照明用光学繊維束１１を
湾曲操作部材としての役目を果たし、湾曲部７を任意の
方向に湾曲させることができる。Furthermore, when the pinion 16 is rotated counterclockwise, the optical fiber bundle for illumination 11 is pushed toward the distal end portion 8 side via the operating fitting 14, and the optical fiber bundle for observation 10 is pushed to the operating section via the operating fitting 14. drawn to the 2nd side. Therefore, the curved portion 7 of the insertion portion 3 is curved in the direction of the arrow. Therefore, the observation optical fiber bundle 10 and the illumination optical fiber bundle 11 serve as bending operation members, and the bending portion 7 can be bent in any direction.
第４図は第２の実施例を示すもので、観察光学系として
挿入部３の先端部８にＣＣＤ等の固体撮像素子１７を設
け、この固体撮像素子１７に電気的に接続する信号線１
８を集束して挿入部３に内装したものである。このよう
に構成された内視鏡においても、操作部２に位置する前
記信号線１８の中途部に操作金具１４を嵌着し、第１の
実施例と同様に操作機構５を操作することによって挿入
部３の湾曲部７を湾曲操作することができる。FIG. 4 shows a second embodiment, in which a solid-state image sensor 17 such as a CCD is provided at the distal end 8 of the insertion section 3 as an observation optical system, and a signal line 1 is electrically connected to the solid-state image sensor 17.
8 are bundled and placed inside the insertion section 3. In the endoscope configured in this manner, the operation fitting 14 is fitted in the middle part of the signal line 18 located in the operation section 2, and the operation mechanism 5 is operated in the same way as in the first embodiment. The bending portion 7 of the insertion portion 3 can be operated to bend.
第５図は第３の実施例を示すもので、１９は挿入部を示
す。この挿入部１９を構成する可撓管２０は、内側より
外側に順に螺旋管２１、網管２２および外装管２３によ
って構成され、この可撓管２０の内部には観察用光学繊
維束２４、照明用光学繊維束２５と送気・送水チューブ
２６、吸引チューブ２７が内装されている。そして、前
記送気・送水チューブ２６、吸引チューブ２７を軸方向
に伸縮しない材料によって形成し、この一端を挿入部１
９の先端部（図示しない）に固着するとともに、他端を
第１および第２の実施例と同様に操作部２の操作機構５
に連動する。そして、前記送気・送水チューブ２６、吸
引チューブ２７を押し引きすることによって挿入部１９
の湾曲部（図示しない）を湾曲することができる。FIG. 5 shows a third embodiment, and 19 indicates an insertion section. The flexible tube 20 constituting the insertion section 19 is composed of a spiral tube 21, a mesh tube 22, and an exterior tube 23 in order from the inside to the outside. An optical fiber bundle 25, an air/water supply tube 26, and a suction tube 27 are installed inside. The air/water supply tube 26 and the suction tube 27 are made of a material that does not expand or contract in the axial direction, and one end of the tube is connected to the insertion portion 1.
9 (not shown), and the other end is fixed to the operating mechanism 5 of the operating section 2 as in the first and second embodiments.
linked to. Then, by pushing and pulling the air/water supply tube 26 and the suction tube 27, the insertion portion 19 is
A curved portion (not shown) can be curved.
以上説明したように、この発明によれば、内視鏡の挿入
部に内装された内蔵物の少なくとも一つを手元操作部に
よって押し引きすることによって、従来のように操作ワ
イヤを内装することなく、湾曲部を湾曲させることがで
きる。したがって、挿入部に内装する内蔵物を減少する
ことができ、挿入部を細径化でき、患者に対する苦痛を
軽減できるという効果を奏する。As explained above, according to the present invention, by pushing and pulling at least one of the built-in items inside the insertion section of the endoscope using the hand operation section, there is no need to install an operation wire inside the endoscope as in the past. , the curved portion can be curved. Therefore, it is possible to reduce the number of built-in objects contained in the insertion section, to reduce the diameter of the insertion section, and to reduce pain to the patient.
第１図乃至第３図はこの発明の第１の実施例を示すもの
で、第１図は内視鏡の内部構造を示す縦断面図、第２図
は内視鏡の全体の正面図、第３図は第１図の■−■線に
沿う断面図、第４図はこの発明の第２の実施例を示す縦
断面図、第５図はこの発明の第３の実施例を示す挿入部
の一部切欠した斜視図である。
１・・・内視鏡、２・・・操作部、３・・・挿入部、５
・・・操作機構、８・・・先端部、１０・・・観察用光
学繊維束、１１・・・照明用光学繊維束。1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view showing the internal structure of the endoscope, FIG. 2 is a front view of the entire endoscope, 3 is a sectional view taken along the line ■-■ in FIG. 1, FIG. 4 is a vertical sectional view showing a second embodiment of the invention, and FIG. 5 is an insert showing a third embodiment of the invention. It is a perspective view with a part cut away. 1... Endoscope, 2... Operation section, 3... Insertion section, 5
. . . Operation mechanism, 8. Tip portion, 10. Observation optical fiber bundle, 11. Illumination optical fiber bundle.
Claims (1)
用光学繊維束、チューブ等の内蔵物の少なくとも一つの
一端を挿入部の先端部に接続固定し、他端を内視鏡の手
元側の操作機構に連結したことを特徴とする内視鏡湾曲
装置。One end of at least one built-in object such as an optical fiber bundle for observation, an optical fiber bundle for illumination, or a tube inserted into the insertion section of the endoscope is connected and fixed to the distal end of the insertion section, and the other end is connected to the end of the endoscope. An endoscope bending device characterized by being connected to an operating mechanism on the hand side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61177725A JPH0753147B2 (en) | 1986-07-30 | 1986-07-30 | Endoscopic bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61177725A JPH0753147B2 (en) | 1986-07-30 | 1986-07-30 | Endoscopic bending device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6335223A true JPS6335223A (en) | 1988-02-15 |
| JPH0753147B2 JPH0753147B2 (en) | 1995-06-07 |
Family
ID=16036019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61177725A Expired - Lifetime JPH0753147B2 (en) | 1986-07-30 | 1986-07-30 | Endoscopic bending device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753147B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012137863A1 (en) * | 2011-04-07 | 2012-10-11 | テルモ株式会社 | Medical device |
| WO2014162440A1 (en) * | 2013-04-01 | 2014-10-09 | テルモ株式会社 | Actuating member, and medical device |
| WO2014162441A1 (en) * | 2013-04-01 | 2014-10-09 | テルモ株式会社 | Actuating member, and medical device |
-
1986
- 1986-07-30 JP JP61177725A patent/JPH0753147B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012137863A1 (en) * | 2011-04-07 | 2012-10-11 | テルモ株式会社 | Medical device |
| JP6038776B2 (en) * | 2011-04-07 | 2016-12-07 | テルモ株式会社 | Medical device |
| WO2014162440A1 (en) * | 2013-04-01 | 2014-10-09 | テルモ株式会社 | Actuating member, and medical device |
| WO2014162441A1 (en) * | 2013-04-01 | 2014-10-09 | テルモ株式会社 | Actuating member, and medical device |
| JPWO2014162441A1 (en) * | 2013-04-01 | 2017-02-16 | テルモ株式会社 | Actuating member and medical device |
| US10258224B2 (en) | 2013-04-01 | 2019-04-16 | Terumo Kabushiki Kaisha | Actuating member and medical device |
| US10335018B2 (en) | 2013-04-01 | 2019-07-02 | Terumo Kabushiki Kaisha | Actuating member and medical device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753147B2 (en) | 1995-06-07 |
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