JP6460928B2 - Insertion device - Google Patents
Insertion device Download PDFInfo
- Publication number
- JP6460928B2 JP6460928B2 JP2015130663A JP2015130663A JP6460928B2 JP 6460928 B2 JP6460928 B2 JP 6460928B2 JP 2015130663 A JP2015130663 A JP 2015130663A JP 2015130663 A JP2015130663 A JP 2015130663A JP 6460928 B2 JP6460928 B2 JP 6460928B2
- Authority
- JP
- Japan
- Prior art keywords
- fixing member
- outer skin
- main body
- insertion portion
- adhesive
- 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.)
- Active
Links
- 238000003780 insertion Methods 0.000 title claims description 140
- 230000037431 insertion Effects 0.000 title claims description 140
- 239000000853 adhesive Substances 0.000 claims description 56
- 230000001070 adhesive effect Effects 0.000 claims description 55
- 238000005452 bending Methods 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 description 15
- 230000004048 modification Effects 0.000 description 15
- 238000012986 modification Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 7
- 239000012790 adhesive layer Substances 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 5
- 229920006332 epoxy adhesive Polymers 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910001000 nickel titanium Inorganic materials 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 3
- 239000012945 sealing adhesive Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Description
本発明は、孔内に挿入される挿入装置に関する。 The present invention relates to an insertion device to be inserted into a hole.
一般に内視鏡のような孔内への挿入装置は、例えば被検体内の病変部を観察、処置等するために被検体内に挿入される可撓性の挿入部を有する。挿入部は観察窓を有する先端構成部と湾曲部と可撓管部とからなる。この湾曲部をＵＤ方向及びＲＬ方向に能動的に湾曲させるための操作を行なう操作部とを有する。操作部には、湾曲操作ノブが設けられる。病変部の観察、処置等を行う際には、湾曲操作ノブを操作して挿入部を所望の方向に湾曲させることができる。 In general, an insertion device into a hole such as an endoscope has a flexible insertion portion that is inserted into a subject in order to observe or treat a lesioned portion in the subject, for example. The insertion portion is composed of a tip constituting portion having an observation window, a bending portion, and a flexible tube portion. And an operation unit that performs an operation for actively bending the bending portion in the UD direction and the RL direction. The operation section is provided with a bending operation knob. When observing or treating a lesioned part, the insertion operation part can be bent in a desired direction by operating the bending operation knob.
内視鏡の湾曲部を覆う外皮チューブの固定には、形状記憶合金等の金属バンドを用いることができる。 A metal band such as a shape memory alloy can be used to fix the outer tube that covers the curved portion of the endoscope.
従来は、内視鏡挿入部の外皮固定では、外皮を固定部材あるいは金属バンドで固定後、接着剤を塗布して外面を平らにしていた。この接着部分に衝撃、例えば誤って机にぶつけた、洗浄時に流し台にぶつけた、などが加わると接着剤が割れてしまうことがあり、更にひどい場合は防水機能が破壊されるという課題があった。さらに、外皮と固定部材との間で外表面を滑らかに形成するために接着剤の幅及び厚みを均一にする作業が煩雑であった。そのため、接着剤の割れを防止して、水密を確保しつつ、組立性を向上させることが求められた。 Conventionally, in the case of fixing the outer skin of the endoscope insertion portion, after fixing the outer skin with a fixing member or a metal band, the outer surface is flattened by applying an adhesive. If an impact is applied to this bonded part, for example, it is accidentally bumped to a desk or hits a sink during cleaning, the adhesive may break, and if it is severe, there is a problem that the waterproof function is destroyed. . Furthermore, in order to form the outer surface smoothly between the outer skin and the fixing member, the operation of making the width and thickness of the adhesive uniform is complicated. Therefore, it has been required to improve the assembling property while preventing the adhesive from cracking and ensuring watertightness.
本発明の目的は、挿入部の外皮固定において水密を確保しつつ、組立性を向上させることにある。 An object of the present invention is to improve assemblability while securing watertightness in fixing the outer shell of the insertion portion.
前記目的を達成するため、挿入装置は、孔内に挿入される挿入部本体と、前記挿入部本体の外周を覆う外皮と、前記外皮の外周に配置され、前記外皮を前記挿入部本体に固定する固定部材と、前記固定部材の周囲を覆うように前記固定部材と一体的に形成されるとともに弾性を有する被覆部材と、を具備する。 In order to achieve the object, the insertion device is disposed on the insertion portion main body to be inserted into the hole, the outer skin covering the outer periphery of the insertion portion main body, and the outer periphery of the outer skin, and the outer skin is fixed to the insertion portion main body. And a covering member formed integrally with the fixing member so as to cover the periphery of the fixing member and having elasticity.
上記の構成によれば、挿入部の外皮固定において水密を確保しつつ、組立性を向上した挿入装置を提供できる。 According to said structure, the insertion apparatus which improved assembly property can be provided, ensuring watertightness in the outer shell fixation of an insertion part.
［第１の実施形態］
図１から図５を参照して、内視鏡装置の第１実施形態について説明する。図１に示すように、内視鏡装置１１は、内視鏡１２と、画像処理を含む制御を行う制御装置１３と、光源装置１４と、送気・送水・吸引装置１５と、キーボード１６と、モニタ１７と、を有する。なお、以下の各実施形態に説明する内視鏡１２は、特に断らない限り、医療現場で用いられる医療用内視鏡である。また、内視鏡装置１１は、挿入装置の一例である。
[First Embodiment]
A first embodiment of an endoscope apparatus will be described with reference to FIGS. 1 to 5. As shown in FIG. 1, an endoscope apparatus 11 includes an endoscope 12, a control device 13 that performs control including image processing, a light source device 14, an air / water / suction device 15, and a keyboard 16. And a monitor 17. Note that the endoscope 12 described in each of the following embodiments is a medical endoscope used in a medical field unless otherwise specified. The endoscope apparatus 11 is an example of an insertion apparatus.
光源装置１４は、制御装置１３の制御下で、内視鏡１２の後述する先端硬質部２１にある照明レンズ２２に光を供給する。送気・送水・吸引装置１５は、制御装置１３の制御下で、内視鏡１２の先端硬質部２１にあるノズル２３に対して送気・送水を行ったり、処置具挿通チャンネル４３を介して孔内から液体や組織等を吸引したりする。制御装置１３の画像処理部２４は、内視鏡１２の先端硬質部２１の対物レンズ２５を通して撮影された被検体の画像を画像処理してモニタ１７に表示する。 The light source device 14 supplies light to the illumination lens 22 in the distal end hard portion 21 described later of the endoscope 12 under the control of the control device 13. The air supply / water supply / suction device 15 supplies air / water to the nozzle 23 at the distal end hard portion 21 of the endoscope 12 under the control of the control device 13, or via the treatment instrument insertion channel 43. For example, liquid or tissue is sucked from the hole. The image processing unit 24 of the control device 13 performs image processing on the image of the subject photographed through the objective lens 25 of the distal end hard portion 21 of the endoscope 12 and displays the image on the monitor 17.
図１に示すように、内視鏡１２は、操作部２６と、操作部２６と制御装置１３とを連結するユニバーサルコード２７と、操作部２６に隣接したグリップ部２８と、グリップ部２８から延びて孔内（被検体）に挿入される挿入部３１と、を有する。内視鏡１２は、ユニバーサルコード２７を介して制御装置１３、光源装置１４、及び送気・送水・吸引装置１５に接続されている。 As shown in FIG. 1, the endoscope 12 extends from an operation unit 26, a universal cord 27 that connects the operation unit 26 and the control device 13, a grip unit 28 adjacent to the operation unit 26, and the grip unit 28. And an insertion portion 31 to be inserted into the hole (subject). The endoscope 12 is connected to the control device 13, the light source device 14, and the air / water supply / suction device 15 via a universal cord 27.
図１において、矢印Ｄ１は内視鏡１２の挿入部３１の先端方向を示しており、矢印Ｄ２は先端方向Ｄ１とは反対の挿入部の基端方向を示している。挿入部３１は、細長で可撓性を有する可撓管部３２と、この可撓管部３２の先端に設けられた湾曲部３３と、この湾曲部３３の先端に設けられた先端硬質部２１と、を備えている。 In FIG. 1, an arrow D1 indicates the distal direction of the insertion portion 31 of the endoscope 12, and an arrow D2 indicates the proximal direction of the insertion portion opposite to the distal direction D1. The insertion portion 31 includes an elongated and flexible flexible tube portion 32, a bending portion 33 provided at the distal end of the flexible tube portion 32, and a distal end hard portion 21 provided at the distal end of the bending portion 33. And.
湾曲部３３の内部には、挿入部３１の中心軸Ｃ（長手方向）に沿って並んだ円筒状の複数の湾曲駒が設けられている。隣接する湾曲駒の間に介在されたピンによって湾曲駒同士は角度を変えることができ、複数の湾曲駒によって湾曲部３３を湾曲させるための関節が構成される。湾曲部３３の外周部は、後述する外皮３４で被覆されている。さらに湾曲駒の内側には、湾曲部３３をＵ方向及びそれとは反対のＤ方向に湾曲させるための一対の第１ワイヤ３５と、湾曲部３３をＲ方向及びそれとは反対のＬ方向に湾曲させるための一対の第２ワイヤ３６と、が挿通されている（図２参照）。一対の第１ワイヤ３５および一対の第２ワイヤ３６は、挿入部３１の先端側において最も先端に位置する湾曲駒に固定されている。一対の第１ワイヤ３５は、操作部２６側において第１ダイヤル４１の第１プーリに巻き回されている。同様に、一対の第２ワイヤ３６は、操作部側において第２ダイヤル４２の第２プーリに巻き回されている。湾曲駒、第１ワイヤ３５および第２ワイヤ３６の作用によって、湾曲部３３は、Ｕ方向、Ｄ方向、Ｒ方向およびＬ方向のいずれの方向およびこれらを組み合わせた方向に湾曲することができる。ワイヤおよびプーリを介した動力伝達機構は一例であり、プーリに代えてスプロケットを用いて、スプロケットに係合するチェーンを第１ワイヤ３５および第２ワイヤ３６の基端方向Ｄ２側にそれぞれ接続してもよい。 A plurality of cylindrical bending pieces arranged along the central axis C (longitudinal direction) of the insertion portion 31 are provided inside the bending portion 33. The angle between the bending pieces can be changed by a pin interposed between adjacent bending pieces, and a joint for bending the bending portion 33 is configured by the plurality of bending pieces. The outer peripheral portion of the bending portion 33 is covered with an outer skin 34 described later. Further, inside the bending piece, a pair of first wires 35 for bending the bending portion 33 in the U direction and the opposite D direction, and the bending portion 33 in the R direction and the opposite L direction are curved. A pair of second wires 36 are inserted (see FIG. 2). The pair of first wires 35 and the pair of second wires 36 are fixed to the bending piece located at the most distal end on the distal end side of the insertion portion 31. The pair of first wires 35 are wound around the first pulley of the first dial 41 on the operation unit 26 side. Similarly, the pair of second wires 36 are wound around the second pulley of the second dial 42 on the operation unit side. By the action of the bending piece, the first wire 35, and the second wire 36, the bending portion 33 can be bent in any direction of the U direction, the D direction, the R direction, the L direction, and a combination thereof. The power transmission mechanism via the wire and the pulley is an example. A sprocket is used instead of the pulley, and the chain engaged with the sprocket is connected to the proximal direction D2 side of the first wire 35 and the second wire 36, respectively. Also good.
図２に示すように、先端硬質部２１には、対物レンズ２５と、処置具挿通チャンネル４３と、照明レンズ２２と、先端硬質部２１の先端面を洗浄する水や空気を供給したりできるノズル２３と、が設けられている。 As shown in FIG. 2, the distal end hard portion 21 can be supplied with objective lens 25, treatment instrument insertion channel 43, illumination lens 22, and water or air for cleaning the distal end surface of the distal end hard portion 21. 23 is provided.
図１に示すように、操作部２６は、例えば合成樹脂材料で形成されたケース４４と、ケース４４から突出するとともにケース４４に対して回転可能に設けられた第１ダイヤル４１と、ケース４４から突出するとともにケース４４に対して回転可能に設けられた第２ダイヤル４２と、ケース４４に設けられたボタン部４５と、を有している。ボタン部４５は、ノズル２３を介して内視鏡１２の先端硬質部２１に送気・送水を行う第１ボタン４５Ａ（送気・送水ボタン）と、ノズル２３を介して内視鏡１２の先端硬質部２１で吸引を行う第２ボタン４５Ｂ（吸引ボタン）と、を含んでいる。 As shown in FIG. 1, the operation unit 26 includes a case 44 made of, for example, a synthetic resin material, a first dial 41 that protrudes from the case 44 and is rotatably provided with respect to the case 44, and a case 44. A second dial 42 that protrudes and is rotatable with respect to the case 44 and a button portion 45 provided on the case 44 are provided. The button unit 45 includes a first button 45 </ b> A (air supply / water supply button) that supplies air and water to the distal end hard portion 21 of the endoscope 12 through the nozzle 23, and a distal end of the endoscope 12 through the nozzle 23. And a second button 45B (suction button) for performing suction by the hard portion 21.
第１ダイヤル４１は、湾曲部３３をＵ方向（ＵＰ側）またはＤ方向（ＤＯＷＮ側）に湾曲させる際に使用される。ユーザが第１ダイヤル４１のＵＤノブ４１Ａを操作すると、第１プーリが回転して一方の第１ワイヤ３５を引っ張るとともに他方の第１ワイヤ３５の緊張が緩められ、湾曲部３３をＵ方向またはＤ方向に湾曲させることができる。 The first dial 41 is used when the bending portion 33 is bent in the U direction (UP side) or the D direction (DOWN side). When the user operates the UD knob 41A of the first dial 41, the first pulley rotates and pulls one of the first wires 35, and the tension of the other first wire 35 is released. Can be curved in the direction.
第２ダイヤル４２は、湾曲部３３をＲ方向（ＲＩＧＨＴ側）またはＬ方向（ＬＥＦＴ側）に湾曲させる際に使用される。ユーザが第２ダイヤル４２のＲＬノブ４２Ａを操作すると、第２プーリが回転して一方の第２ワイヤ３６を引っ張るとともに他方の第２ワイヤ３６の緊張が緩められ、湾曲部３３をＲ方向またはＬ方向に湾曲させることができる。 The second dial 42 is used when the bending portion 33 is bent in the R direction (RIGHT side) or the L direction (LEFT side). When the user operates the RL knob 42A of the second dial 42, the second pulley rotates and pulls one of the second wires 36, and the tension of the other second wire 36 is released. Can be curved in the direction.
挿入部３１は、その内部に線状に延びる挿入部本体４６を有する。挿入部本体４６には、可撓管部３２の内部構造と、湾曲部３３およびその内部構造である複数の湾曲駒と、先端硬質部２１の内部構造である円柱形の内部ブロック４６Ａと、が含まれる（図３参照）。内部ブロック４６Ａは、例えば、合成樹脂または金属で形成され、最も先端側にある湾曲駒と固定されている。挿入部３１（挿入部本体４６）は、検査対象の孔内に挿入されて検査対象の撮影・観察に用いられる。 The insertion portion 31 has an insertion portion main body 46 extending linearly therein. The insertion portion main body 46 includes an internal structure of the flexible tube portion 32, a bending portion 33 and a plurality of bending pieces that are the internal structure thereof, and a cylindrical internal block 46A that is an internal structure of the distal end hard portion 21. Included (see FIG. 3). The inner block 46A is made of, for example, synthetic resin or metal, and is fixed to the bending piece at the most distal end side. The insertion portion 31 (insertion portion main body 46) is inserted into a hole to be inspected and used for photographing and observing the inspection subject.
図３に示すように、先端硬質部２１と湾曲部３３との接続部（接続部は、挿入部３１の一部を構成する。）は、湾曲部３３の外周を覆う円筒形の外皮３４（ゴムまたはゴム状の弾性を有するエラストマー）と、外皮３４の上側（外周）に被さるとともに外皮３４を挿入部本体４６に固定する環状の固定部材４７と、固定部材４７の周囲を覆う被覆部材４８と、外皮３４に対して被覆部材４８を固定する接着剤５２と、を有している。 As shown in FIG. 3, a connecting portion (the connecting portion constitutes a part of the insertion portion 31) between the distal end hard portion 21 and the bending portion 33 is a cylindrical outer skin 34 ( Rubber or an elastomer having rubber-like elasticity), an annular fixing member 47 that covers the upper side (outer periphery) of the outer skin 34 and fixes the outer skin 34 to the insertion portion main body 46, and a covering member 48 that covers the periphery of the fixing member 47 And an adhesive 52 for fixing the covering member 48 to the outer skin 34.
図４、図５に示すように、固定部材４７は、挿入部本体４６の中心軸Ｃを中心とする外皮３４上の仮想円５１に対して蛇行（meander shape）するように設けられている。固定部材４７は、複数の「Ｓ」字を連続させた形状ともいうことができる。固定部材４７は、仮想円５１に沿う方向（周方向）において伸縮可能である。すなわち、固定部材４７は、外皮３４の周方向に関して伸縮自在であるとともに外皮３４の外周に配置された際に外皮３４を締め付けるように収縮する。伸びる前の状態の固定部材４７の直径は、外皮３４の直径よりも小さくなっているが、伸びた状態の直径では、固定部材４７は、外皮３４の直径よりも大きくなることができる。固定部材４７の変形前から伸びた状態までの変形は、いわゆる弾性変形領域で設定することができるが、この変形のうちの一部を塑性変形領域として設定することもできる。 As shown in FIGS. 4 and 5, the fixing member 47 is provided so as to meander with respect to a virtual circle 51 on the outer skin 34 around the central axis C of the insertion portion main body 46. The fixing member 47 can also be referred to as a shape in which a plurality of “S” characters are continuous. The fixing member 47 can be expanded and contracted in a direction (circumferential direction) along the virtual circle 51. In other words, the fixing member 47 is stretchable in the circumferential direction of the outer skin 34 and contracts to tighten the outer skin 34 when disposed on the outer periphery of the outer skin 34. Although the diameter of the fixing member 47 in the state before extension is smaller than the diameter of the outer skin 34, the fixing member 47 can be larger than the diameter of the outer skin 34 in the diameter of the outer skin 34. The deformation of the fixing member 47 from before the deformation to the extended state can be set in a so-called elastic deformation region, but a part of the deformation can be set as a plastic deformation region.
固定部材４７は、挿入部本体４６に対して外皮３４を水密に固定することができる。固定部材４７は、金属材料によって環状に形成されている。より具体的には、固定部材４７は、チタン系合金、例えば、Ｎｉ−Ｔｉ合金によって形成されている。固定部材４７は、Ｎｉ−Ｔｉ合金の特性によって、超弾性を発揮することができる。この超弾性の性質によって、固定部材４７は、ゴム状の弾性を発揮するとともに、外皮３４の周方向に関して伸縮自在である。固定部材４７は、外皮３４の上側に被さった状態（外周に配置された際）において、挿入部本体４６−外皮３４間の水密を確保するとともに外皮３４が挿入部本体４６から脱落することを防止する十分な締め付け力を発揮するように、収縮することができる。また、固定部材４７の材料は、チタン系合金、例えばＮｉ−Ｔｉ合金に限られるものではなく、他の金属や合金等（いわゆるバネ材料）であってもよい。 The fixing member 47 can fix the outer skin 34 to the insertion portion main body 46 in a watertight manner. The fixing member 47 is formed in an annular shape from a metal material. More specifically, the fixing member 47 is made of a titanium alloy, for example, a Ni—Ti alloy. The fixing member 47 can exhibit superelasticity depending on the characteristics of the Ni—Ti alloy. Due to this superelastic property, the fixing member 47 exhibits rubber-like elasticity and can expand and contract in the circumferential direction of the outer skin 34. The fixing member 47 ensures watertightness between the insertion portion main body 46 and the outer skin 34 and prevents the outer skin 34 from falling off from the insertion portion main body 46 when the fixing member 47 covers the upper side of the outer skin 34 (when arranged on the outer periphery). Can be shrunk so as to exert a sufficient clamping force. Further, the material of the fixing member 47 is not limited to a titanium-based alloy, for example, a Ni—Ti alloy, and may be another metal, an alloy, or the like (so-called spring material).
図５に示すように、固定部材４７は、複数の弓型部４７Ａと、複数の弓型部４７Ａ同士を接続する複数の接続部４７Ｂと、を有している。隣接する弓型部４７Ａは、互い違いに配置されている。図４、図５に示すように、弓型部４７Ａは、挿入部本体４６の中心軸Ｃを中心とする外皮３４上の仮想円５１に沿う方向に延びている。弓型部４７Ａは、仮想円５１に沿う方向において隣接する他の弓型部４７Ａと重複する。接続部４７Ｂは、仮想円５１と交差する方向に延びている。固定部材４７は、円筒形の管を例えばレーザー加工で切断して、環状の固定部材４７を形成している。 As shown in FIG. 5, the fixing member 47 includes a plurality of arcuate portions 47A and a plurality of connection portions 47B that connect the arcuate portions 47A. Adjacent arcuate portions 47A are arranged alternately. As shown in FIGS. 4 and 5, the bow-shaped portion 47 </ b> A extends in a direction along a virtual circle 51 on the outer skin 34 centering on the central axis C of the insertion portion main body 46. The arcuate portion 47A overlaps with another adjacent arcuate portion 47A in the direction along the virtual circle 51. The connecting portion 47B extends in a direction intersecting with the virtual circle 51. The fixing member 47 forms an annular fixing member 47 by cutting a cylindrical tube by, for example, laser processing.
図３に示すように、被覆部材４８は、固定部材４７の周囲を覆っており、固定部材４７と一体的に形成される。被覆部材４８は、長方形の断面形状を有し、固定部材４７の内周４７Ａ、外周４７Ｂ、および端面４７Ｃを覆っている。被覆部材４８は、弾性体で構成されており、固定部材４７に加えられる衝撃を吸収することができる。より具体的には、被覆部材４８は、例えば外皮３４と同材質、すなわち弾性を有するエラストマーで構成されている。 As shown in FIG. 3, the covering member 48 covers the periphery of the fixing member 47 and is formed integrally with the fixing member 47. The covering member 48 has a rectangular cross-sectional shape, and covers the inner periphery 47A, the outer periphery 47B, and the end surface 47C of the fixing member 47. The covering member 48 is made of an elastic body and can absorb an impact applied to the fixing member 47. More specifically, the covering member 48 is made of, for example, the same material as the outer skin 34, that is, an elastic elastomer.
接着剤５２は、例えばウレタン系接着剤で構成されているが、エポキシ系接着剤等、ウレタン系接着剤以外の接着剤でもよい。接着剤５２は、被覆部材４８（固定部材４７）の内周面側と外皮３４との間に薄膜状に介在されており、両者を接着している。また、接着剤５２には、断面直角三角形状のすみ肉部５２Ａ（脚部）が含まれており、すみ肉部５２Ａは、固定部材４７（被覆部材４８）の端面と、外皮３４とを固定している。すみ肉部５２Ａは、固定部材４７（被覆部材４８）の外周部と、外皮３４の表面とを滑らかに接続するように形成されていてもよい。なお、上記では説明簡便化のため、先端硬性部２１と外皮３４との間の固定構造について説明したが、可撓管３２と外皮３４との間の固定においても、同様の構造を用いて固定を行う。 The adhesive 52 is made of, for example, a urethane adhesive, but may be an adhesive other than the urethane adhesive, such as an epoxy adhesive. The adhesive 52 is interposed in the form of a thin film between the inner peripheral surface side of the covering member 48 (fixing member 47) and the outer skin 34, and bonds the two together. Further, the adhesive 52 includes a fillet portion 52A (leg portion) having a right-angled triangular cross section, and the fillet portion 52A fixes the end surface of the fixing member 47 (covering member 48) and the outer skin 34. doing. The fillet portion 52A may be formed so as to smoothly connect the outer peripheral portion of the fixing member 47 (covering member 48) and the surface of the outer skin 34. For the sake of simplicity, the fixing structure between the distal rigid portion 21 and the outer skin 34 has been described above, but the same structure is also used for fixing between the flexible tube 32 and the outer skin 34. I do.
図３等を参照して、本実施形態の挿入部３１の製造工程について説明する。挿入部本体４６に対しては、予め外皮３４が被せられている。このとき、挿入部本体４６と外皮３４とを固定する箇所に、薄い接着剤層を介在させ、挿入部本体４６と外皮３４との固定を補助するようにしてもよい。続いて、外皮３４上の固定部材４７を装着する箇所に予め接着剤５２を塗布する。そして、治具または手指を用いて、固定部材４７の直径を大きくするように固定部材４７を伸長させる。この状態で、外皮３４（接着剤５２）の上側に固定部材４７を被せて、固定部材４７の締め付け力によって外皮３４を挿入部本体４６に固定する。これによって、作業者は、ワンタッチで外皮３４を挿入部本体４６に固定することができる。さらに、固定部材４７（被覆部材４８）の端面と、外皮３４との間にすみ肉部５２Ａを形成するように接着剤５２を追加して、挿入部３１の製造工程が完了する。 With reference to FIG. 3 etc., the manufacturing process of the insertion part 31 of this embodiment is demonstrated. The insertion portion main body 46 is covered with a skin 34 in advance. At this time, a thin adhesive layer may be interposed at a position where the insertion portion main body 46 and the outer skin 34 are fixed, and the fixation of the insertion portion main body 46 and the outer skin 34 may be assisted. Subsequently, an adhesive 52 is applied in advance to a portion where the fixing member 47 is mounted on the outer skin 34. Then, using the jig or fingers, the fixing member 47 is extended so as to increase the diameter of the fixing member 47. In this state, the fixing member 47 is put on the upper side of the outer skin 34 (adhesive 52), and the outer skin 34 is fixed to the insertion portion main body 46 by the tightening force of the fixing member 47. Thus, the operator can fix the outer skin 34 to the insertion portion main body 46 with one touch. Further, the adhesive 52 is added so as to form a fillet portion 52A between the end face of the fixing member 47 (covering member 48) and the outer skin 34, and the manufacturing process of the insertion portion 31 is completed.
第１実施形態によれば、挿入装置は、孔内に挿入される挿入部本体４６と、挿入部本体４６の外周を覆う外皮３４と、外皮３４の外周に配置され、外皮３４を挿入部本体４６に固定する固定部材４７と、固定部材４７の周囲を覆うように固定部材４７と一体的に形成されるとともに弾性を有する被覆部材４８と、を具備する。 According to the first embodiment, the insertion device includes the insertion portion main body 46 to be inserted into the hole, the outer skin 34 covering the outer periphery of the insertion portion main body 46, and the outer periphery of the outer skin 34. And a covering member 48 that is integrally formed with the fixing member 47 so as to cover the periphery of the fixing member 47 and has elasticity.
この構成によれば、被覆部材４８によって固定部材４７の周囲を覆うことができるため、水や消毒液等によって固定部材４７が腐食することを防止できる。また、弾性を有する被覆部材４８によって固定部材４７を保護することができるため、固定部材４７を衝撃等から保護することができる。これらによって、挿入部の外皮３４の固定において水密を確保しつつ、組立性を向上することができる。 According to this configuration, since the periphery of the fixing member 47 can be covered by the covering member 48, the fixing member 47 can be prevented from being corroded by water, a disinfecting liquid, or the like. Moreover, since the fixing member 47 can be protected by the covering member 48 having elasticity, the fixing member 47 can be protected from an impact or the like. By these, assembling property can be improved while securing watertightness in fixing the outer skin 34 of the insertion portion.
また、被覆部材４８は、外皮３４に対して接着剤５２によって固定される。この構成によれば、固定部材４７および被覆部材４８が外皮３４から脱落する可能性が低減され、高信頼性の挿入装置を提供できる。また、接着剤５２とは別に被覆部材４８を設けているために、もし仮に衝撃等に起因して接着剤５２に亀裂を生じた場合でも、当該亀裂が被覆部材４８にまで伝わることがない。このため、被覆部材４８によって固定部材４７を密封する性能が維持され、挿入装置の信頼性を向上できる。 The covering member 48 is fixed to the outer skin 34 with an adhesive 52. According to this configuration, the possibility that the fixing member 47 and the covering member 48 fall off from the outer skin 34 is reduced, and a highly reliable insertion device can be provided. In addition, since the covering member 48 is provided separately from the adhesive 52, even if a crack occurs in the adhesive 52 due to an impact or the like, the crack is not transmitted to the covering member 48. For this reason, the performance which seals the fixing member 47 with the coating | coated member 48 is maintained, and the reliability of an insertion apparatus can be improved.
固定部材４７は、金属製の環状部材である。この構成によれば、挿入部本体４６に対する外皮３４の固定には、外皮３４に対して外側から固定部材４７および被覆部材４８を嵌めれば足りる。このため、挿入装置の組み立て時の作業を簡略化することができる。 The fixing member 47 is a metal annular member. According to this configuration, the fixing member 47 and the covering member 48 need only be fitted to the outer skin 34 from the outside to fix the outer skin 34 to the insertion portion main body 46. For this reason, the operation | work at the time of the assembly of an insertion apparatus can be simplified.
固定部材４７は、外皮３４の周方向に関して伸縮自在であるとともに外皮３４の外周に配置された際に外皮３４を締め付けるように収縮する。この構成によれば、固定部材４７が収縮力を発揮できるために、挿入部本体４６に対して外皮３４を締め付けるようにワンタッチで外皮３４を固定することができる。このため、挿入装置の組み立て時の作業を簡略化することができる。 The fixing member 47 is stretchable in the circumferential direction of the outer skin 34 and contracts to tighten the outer skin 34 when disposed on the outer periphery of the outer skin 34. According to this configuration, since the fixing member 47 can exert a contracting force, the outer skin 34 can be fixed with one touch so as to tighten the outer skin 34 against the insertion portion main body 46. For this reason, the operation | work at the time of the assembly of an insertion apparatus can be simplified.
（第１変形例）
図６を参照して、内視鏡装置１１の第１の実施形態の第１変形例について説明する。第１変形例の内視鏡装置１１は、固定部材４７の形状が異なる点で第１の実施形態のものと異なっているが、他の部分は第１実施形態と共通している。このため、主として第１実施形態と異なる部分について説明し、第１実施形態と共通する部分については図示或いは説明を省略する。
(First modification)
With reference to FIG. 6, the 1st modification of 1st Embodiment of the endoscope apparatus 11 is demonstrated. The endoscope apparatus 11 of the first modified example is different from that of the first embodiment in that the shape of the fixing member 47 is different, but the other parts are common to the first embodiment. For this reason, parts different from the first embodiment will be mainly described, and illustrations or descriptions of parts common to the first embodiment will be omitted.
図６（Ａ）に示すように、固定部材４７は、例えばコイル状をなした金属製のワイヤーで構成されている。固定部材４７は、チタン系合金、例えば、Ｎｉ−Ｔｉ合金によって形成されている。また、固定部材４７の材料は、チタン系合金に限られるものではなく、他の金属や合金等（いわゆるバネ材料）であってもよい。 As shown in FIG. 6A, the fixing member 47 is made of a metal wire having a coil shape, for example. The fixing member 47 is formed of a titanium alloy, for example, a Ni—Ti alloy. Further, the material of the fixing member 47 is not limited to the titanium-based alloy, and may be another metal, an alloy, or the like (so-called spring material).
被覆部材４８は、固定部材４７の周囲を覆っており、固定部材４７と一体的に形成される。図６（Ｂ）に示すように、被覆部材４８は、固定部材４７の内周４７Ａ、外周４７Ｂ、および端面４７Ｃを覆っている。被覆部材４８は、例えば、四角形の断面形状を有する。被覆部材４８は、ゴム状の弾性体で構成されており、固定部材４７に加えられる衝撃を吸収することができる。より具体的には、被覆部材４８は、例えば外皮３４と同材質、すなわち弾性を有するエラストマーで構成されている。本実施形態では、固定部材４７および被覆部材４８の内径は、外皮３４の外径よりも若干小さくなっている。このため、外皮３４の外側に固定部材４７を嵌めることで、挿入部本体４６に対して外皮３４を締め付けることができる。 The covering member 48 covers the periphery of the fixing member 47 and is formed integrally with the fixing member 47. As shown in FIG. 6B, the covering member 48 covers the inner periphery 47A, the outer periphery 47B, and the end surface 47C of the fixing member 47. The covering member 48 has, for example, a square cross-sectional shape. The covering member 48 is made of a rubber-like elastic body and can absorb an impact applied to the fixing member 47. More specifically, the covering member 48 is made of, for example, the same material as the outer skin 34, that is, an elastic elastomer. In the present embodiment, the inner diameters of the fixing member 47 and the covering member 48 are slightly smaller than the outer diameter of the outer skin 34. For this reason, the outer skin 34 can be fastened to the insertion portion main body 46 by fitting the fixing member 47 outside the outer skin 34.
本変形例によれば、固定部材４７がコイル状をなしているため、固定部材４７が外皮３４の周方向に伸縮することができ、適切な力で挿入部本体４６に対して外皮３４を締め付けることができる。また、被覆部材４８によって固定部材４７が覆われているため、水や消毒液等による腐食を防止して高信頼性の挿入装置を提供できる。 According to this modification, since the fixing member 47 has a coil shape, the fixing member 47 can expand and contract in the circumferential direction of the outer skin 34, and the outer skin 34 is fastened to the insertion portion main body 46 with an appropriate force. be able to. In addition, since the fixing member 47 is covered with the covering member 48, corrosion due to water, a disinfectant, or the like can be prevented and a highly reliable insertion device can be provided.
（第２変形例）
図７を参照して、内視鏡装置１１の第１の実施形態の第２変形例について説明する。第１変形例の内視鏡装置１１は、固定部材４７および被覆部材４８の形状が異なる点で第１の実施形態のものと異なっているが、他の部分は第１実施形態と共通している。このため、主として第１実施形態と異なる部分について説明し、第１実施形態と共通する部分については図示或いは説明を省略する。
(Second modification)
With reference to FIG. 7, the 2nd modification of 1st Embodiment of the endoscope apparatus 11 is demonstrated. The endoscope apparatus 11 of the first modified example is different from that of the first embodiment in that the shapes of the fixing member 47 and the covering member 48 are different, but the other parts are the same as those of the first embodiment. Yes. For this reason, parts different from the first embodiment will be mainly described, and illustrations or descriptions of parts common to the first embodiment will be omitted.
固定部材４７は、第１実施形態と同様に、挿入部本体４６の中心軸Ｃを中心とする外皮３４上の仮想円５１に対して蛇行（meander shape）するように設けられている。固定部材４７は、複数の「Ｓ」字を連続させた形状ともいうことができる。図７に示すように、固定部材４７は、「Ｓ」字形状の途中の位置に複数の挿通孔８１がある一定のピッチで設けられている。挿通孔８１は、固定部材４７の内周４７Ａと外周４７Ｂとを貫通している。挿通孔８１の形状は、円形、方形等、様々な形状をとることができる。固定部材４７のそれ以外の形状・材質は、第１実施形態と同様である。 The fixing member 47 is provided so as to meander with respect to the virtual circle 51 on the outer skin 34 centering on the central axis C of the insertion portion main body 46, as in the first embodiment. The fixing member 47 can also be referred to as a shape in which a plurality of “S” characters are continuous. As shown in FIG. 7, the fixing members 47 are provided at a constant pitch with a plurality of insertion holes 81 in the middle of the “S” shape. The insertion hole 81 passes through the inner periphery 47A and the outer periphery 47B of the fixing member 47. The shape of the insertion hole 81 can take various shapes such as a circle and a square. Other shapes and materials of the fixing member 47 are the same as those in the first embodiment.
図７に示すように、被覆部材４８は、固定部材４７の周囲を覆っており、固定部材４７と一体的に形成される。被覆部材４８は、長方形の断面形状を有し、固定部材４７の内周４７Ａ、外周４７Ｂ、および端面４７Ｃを覆っている。被覆部材４８は、弾性体で構成されており、固定部材４７に加えられる衝撃を吸収することができる。被覆部材４８は、複数の挿通孔８１の内部にも充填されており、固定部材４８との密着度が向上されている。被覆部材の材質等は、第１実施形態と同様である。 As shown in FIG. 7, the covering member 48 covers the periphery of the fixing member 47 and is formed integrally with the fixing member 47. The covering member 48 has a rectangular cross-sectional shape, and covers the inner periphery 47A, the outer periphery 47B, and the end surface 47C of the fixing member 47. The covering member 48 is made of an elastic body and can absorb an impact applied to the fixing member 47. The covering member 48 is also filled in the plurality of insertion holes 81, and the degree of adhesion with the fixing member 48 is improved. The material and the like of the covering member are the same as in the first embodiment.
本変形例によれば、挿通孔８１が設けられることで、固定部材４７と被覆部材４８との接触面積が増加し、固定部材４７と被覆部材４８との間の密着性を向上できる。これによって、被覆部材４８が固定部材４７から脱落してしまう危険性を低減できる。 According to this modified example, by providing the insertion hole 81, the contact area between the fixing member 47 and the covering member 48 increases, and the adhesion between the fixing member 47 and the covering member 48 can be improved. As a result, the risk that the covering member 48 will fall off the fixing member 47 can be reduced.
［第２実施形態］
図８、図９を参照して、第２実施形態の内視鏡装置１１について説明する。第２実施形態の内視鏡装置１１では、固定部材４７および被覆部材４８が２セット設けられる点、被覆部材４８の形状が異なる点で第１実施形態のものと異なっているが、他の部分は第１実施形態と共通している。このため、主として第１実施形態と異なる部分について説明し、第１実施形態と共通する部分については図示或いは説明を省略する。
[Second Embodiment]
The endoscope apparatus 11 of the second embodiment will be described with reference to FIGS. The endoscope apparatus 11 of the second embodiment is different from that of the first embodiment in that two sets of the fixing member 47 and the covering member 48 are provided, and the shape of the covering member 48 is different. Is common to the first embodiment. For this reason, parts different from the first embodiment will be mainly described, and illustrations or descriptions of parts common to the first embodiment will be omitted.
図８に示すように、挿入部３１は、その内部に線状に延びる挿入部本体４６を有する。挿入部本体４６には、可撓管部３２の内部構造と、湾曲部３３の内部構造である複数の湾曲駒と、先端硬質部２１の内部構造である円柱形の内部ブロック４６Ａと、が含まれる。内部ブロック４６Ａは、例えば、合成樹脂または金属で形成され、最も先端側にある湾曲駒と固定されている。挿入部３１は、さらに、内部ブロック４６Ａの外側に接着される先端カバー５３を有する。先端カバー５３は、例えば、合成樹脂材料によって環状に設けられており、内部ブロック４６Ａの先端外周部を保護している。 As shown in FIG. 8, the insertion portion 31 has an insertion portion main body 46 extending linearly therein. The insertion portion main body 46 includes an internal structure of the flexible tube portion 32, a plurality of bending pieces that are the internal structure of the bending portion 33, and a cylindrical internal block 46A that is an internal structure of the distal end hard portion 21. It is. The inner block 46A is made of, for example, synthetic resin or metal, and is fixed to the bending piece at the most distal end side. The insertion portion 31 further includes a tip cover 53 that is bonded to the outside of the internal block 46A. The tip cover 53 is provided in an annular shape, for example, with a synthetic resin material, and protects the tip outer periphery of the inner block 46A.
図８、図９に示すように、挿入部３１は、挿入部本体４６の周囲を覆う円筒形の外皮３４（ゴムまたはゴム状の弾性体）と、外皮３４の上側に被さるとともに外皮３４を挿入部本体４６に固定する環状の第１固定部材６１と、第１固定部材６１の周囲を覆う第１被覆部材６３と、外皮３４の上側に被さるとともに外皮３４を挿入部本体４６に固定する環状の第２固定部材６２と、第２固定部材６２の周囲を覆う第２被覆部材６６と、第１被覆部材６３と外皮３４とを接着する第１接着剤６５と、第２被覆部材６６と外皮３４とを接着する第２接着剤６７と、を有している。 As shown in FIGS. 8 and 9, the insertion portion 31 covers a cylindrical outer skin 34 (rubber or rubber-like elastic body) that covers the periphery of the insertion portion main body 46, and covers the upper skin 34 and inserts the outer skin 34. An annular first fixing member 61 that is fixed to the body 46, a first covering member 63 that covers the periphery of the first fixing member 61, and an annular that covers the upper side of the outer skin 34 and fixes the outer skin 34 to the insertion portion main body 46. The second fixing member 62, the second covering member 66 that covers the periphery of the second fixing member 62, the first adhesive 65 that bonds the first covering member 63 and the outer cover 34, and the second covering member 66 and the outer cover 34. And a second adhesive 67 for adhering to each other.
第１固定部材６１および第２固定部材６２の形状および材料は、第１実施形態の固定部材４７と同様である。第１固定部材６１は、外皮３４の先端方向Ｄ１側に取り付けられ、外皮３４の先端方向Ｄ１側を挿入部本体４６に固定することができる。第２固定部材６２は、外皮３４の基端方向Ｄ２側（湾曲部３３と可撓管部３２との境界の近傍で、湾曲部３３側）に取り付けられ、外皮３４の基端方向Ｄ２側を挿入部本体４６に固定することができる。 The shapes and materials of the first fixing member 61 and the second fixing member 62 are the same as those of the fixing member 47 of the first embodiment. The first fixing member 61 is attached to the distal end direction D1 side of the outer skin 34, and can fix the distal end direction D1 side of the outer skin 34 to the insertion portion main body 46. The second fixing member 62 is attached to the base end direction D2 side of the outer skin 34 (in the vicinity of the boundary between the curved portion 33 and the flexible tube portion 32, the curved portion 33 side), and the base end direction D2 side of the outer skin 34 is It can be fixed to the insertion portion main body 46.
図８に示すように、第１被覆部材６３は、第１固定部材６１の周囲を覆っており、第１固定部材６１と一体的に形成される。第１被覆部材６３は、第１固定部材６１の内周６１Ａ、外周６１Ｂ、および端面６１Ｃを覆っている。被覆部材４８は、ゴム状の弾性体で構成されており、第１固定部材６１に加えられる衝撃を吸収することができる。より具体的には、第１被覆部材６３は、例えば弾性を有するエラストマーで構成されている。 As shown in FIG. 8, the first covering member 63 covers the periphery of the first fixing member 61 and is formed integrally with the first fixing member 61. The first covering member 63 covers the inner periphery 61A, the outer periphery 61B, and the end surface 61C of the first fixing member 61. The covering member 48 is made of a rubber-like elastic body and can absorb an impact applied to the first fixing member 61. More specifically, the first covering member 63 is made of an elastomer having elasticity, for example.
第１被覆部材６３は、台形の断面形状を有する。第１被覆部材６３は、先端方向Ｄ１側に壁部６４を有し、壁部６４は接着剤５２を介して先端カバー５３に密着している。第１被覆部材６３は、基端方向Ｄ２側に第１傾斜部６３Ａを有する。第１傾斜部６３Ａは、基端方向Ｄ２に行くにつれて外径が小さくなる斜面を構成する。第１被覆部材６３の内周部は、第１接着剤６５を介して外皮３４に接着されている。第１接着剤６５は、例えばウレタン系接着剤で構成されているが、エポキシ系接着剤等、ウレタン系接着剤以外の接着剤５２でもよい。第１接着剤６５は、第１被覆部材６３（第１固定部材６１）の内周面側と外皮３４との間に薄膜状に介在されており、両者を接着している。 The first covering member 63 has a trapezoidal cross-sectional shape. The first covering member 63 has a wall portion 64 on the distal direction D 1 side, and the wall portion 64 is in close contact with the distal end cover 53 via an adhesive 52. The first covering member 63 has a first inclined portion 63A on the base end direction D2 side. 63 A of 1st inclination parts comprise the slope which an outer diameter becomes small as it goes to the base end direction D2. The inner peripheral portion of the first covering member 63 is bonded to the outer skin 34 via the first adhesive 65. The first adhesive 65 is made of, for example, a urethane adhesive, but may be an adhesive 52 other than the urethane adhesive, such as an epoxy adhesive. The first adhesive 65 is interposed in the form of a thin film between the inner peripheral surface side of the first covering member 63 (first fixing member 61) and the outer skin 34, and bonds the two together.
図９に示すように、第２被覆部材６６は、第２固定部材６２の周囲を覆っており、第２固定部材６２と一体的に形成される。第２被覆部材６６は、第２固定部材６２の内周４７Ａ、外周４７Ｂ、および端面４７Ｃを覆っている。第２被覆部材６６は、ゴム状の弾性体で構成されており、第２固定部材６２に加えられる衝撃を吸収することができる。より具体的には、第２被覆部材６６は、例えば弾性を有するエラストマーで構成されている。 As shown in FIG. 9, the second covering member 66 covers the periphery of the second fixing member 62 and is formed integrally with the second fixing member 62. The second covering member 66 covers the inner periphery 47A, the outer periphery 47B, and the end surface 47C of the second fixing member 62. The second covering member 66 is made of a rubber-like elastic body and can absorb an impact applied to the second fixing member 62. More specifically, the second covering member 66 is made of an elastomer having elasticity, for example.
第２被覆部材６６は、台形の断面形状を有する。第２被覆部材６６は、基端方向Ｄ２側に設けられた第１傾斜部６６Ａと、先端方向Ｄ１側に設けられた第２傾斜部６６Ｂと、を有する。第１傾斜部６６Ａは、基端方向Ｄ２に行くにつれて外径が小さくなる斜面を構成する。第２傾斜部６６Ｂは、先端方向Ｄ１に行くにつれて外径が小さくなる斜面を構成する。第２被覆部材６６の内周部は、第２接着剤６７を介して外皮３４に接着されている。第２接着剤６７は、例えばウレタン系接着剤で構成されているが、エポキシ系接着剤等、ウレタン系接着剤以外の接着剤でもよい。第２接着剤６７は、第２被覆部材６６（第２固定部材６２）の内周面側と外皮３４との間に薄膜状に介在されており、両者を接着している。 The second covering member 66 has a trapezoidal cross-sectional shape. The second covering member 66 includes a first inclined portion 66A provided on the proximal end direction D2 side and a second inclined portion 66B provided on the distal end direction D1 side. 66 A of 1st inclination parts comprise the slope in which an outer diameter becomes small as it goes to the base end direction D2. The second inclined portion 66B constitutes an inclined surface whose outer diameter decreases as it goes in the distal direction D1. An inner peripheral portion of the second covering member 66 is bonded to the outer skin 34 via a second adhesive 67. The second adhesive 67 is made of, for example, a urethane adhesive, but may be an adhesive other than the urethane adhesive, such as an epoxy adhesive. The second adhesive 67 is interposed in the form of a thin film between the inner peripheral surface side of the second covering member 66 (second fixing member 62) and the outer skin 34, and bonds them together.
図８、図９を参照して、本実施形態の挿入部３１の製造工程について説明する。挿入部本体４６に対しては、予め外皮３４が被せられている。このとき、挿入部本体４６と外皮３４とを固定する箇所（外皮３４の先端方向Ｄ１側および外皮３４の基端方向Ｄ２側）に、薄い接着剤層を介在させ、挿入部本体４６と外皮３４との固定を補助してもよい。続いて、外皮３４上の第１固定部材６１および第２固定部材６２を装着する箇所に予め接着剤（第１接着剤６５、第２接着剤６７）を塗布する。そして、治具または手指を用いて、第１固定部材６１および第２固定部材６２の直径を大きくするようにこれらを伸長させる。この状態で、例えば、外皮３４（第１接着剤６５）の上側に第１固定部材６１を被せた後、外皮３４（第２接着剤６７）の上側に第２固定部材６２を被せて、第１固定部材６１および第２固定部材６２の締め付け力によって外皮３４を挿入部本体４６に固定する。これによって、作業者は、ワンタッチで外皮３４を挿入部本体４６に固定することができる。以上により、挿入部３１の製造工程が完了する。 With reference to FIG. 8, FIG. 9, the manufacturing process of the insertion part 31 of this embodiment is demonstrated. The insertion portion main body 46 is covered with a skin 34 in advance. At this time, a thin adhesive layer is interposed at locations where the insertion portion main body 46 and the outer skin 34 are fixed (the distal direction D1 side of the outer skin 34 and the proximal end direction D2 side of the outer skin 34), thereby inserting the insertion portion main body 46 and the outer skin 34. You may assist with fixation. Subsequently, an adhesive (a first adhesive 65 and a second adhesive 67) is applied in advance to a place where the first fixing member 61 and the second fixing member 62 are mounted on the outer skin 34. Then, using a jig or fingers, the first fixing member 61 and the second fixing member 62 are extended so as to increase the diameter. In this state, for example, after the first fixing member 61 is put on the upper side of the outer skin 34 (first adhesive 65), the second fixing member 62 is put on the upper side of the outer skin 34 (second adhesive 67). The outer skin 34 is fixed to the insertion portion main body 46 by the tightening force of the first fixing member 61 and the second fixing member 62. Thus, the operator can fix the outer skin 34 to the insertion portion main body 46 with one touch. Thus, the manufacturing process of the insertion portion 31 is completed.
本実施形態によれば、被覆部材は、挿入部本体４６の先端方向Ｄ１とは反対側の基端方向Ｄ２に行くにつれて外径が小さくなる第１傾斜部６３Ａ、６６Ａおよび挿入部本体４６の先端方向Ｄ１に行くにつれて外径が小さくなる第２傾斜部６３Ｂ、の少なくとも一方を有する。 According to the present embodiment, the covering member includes the first inclined portions 63A and 66A and the distal end of the insertion portion main body 46 whose outer diameter decreases as it goes in the proximal direction D2 opposite to the distal end direction D1 of the insertion portion main body 46. It has at least one of the 2nd inclination part 63B from which an outer diameter becomes small as it goes to the direction D1.
この構成によれば、外皮３４、固定部材４７、および被覆部材において、引っ掛かりの原因となる段差が少ない滑らかな外形にすることができるため、挿入装置の孔内への挿入性を向上することができる。また、固定部材４７が皮膜部材の内部に設けられるため、固定部材４７が金属で構成される場合に、水や消毒液等によって固定部材４７が腐食することを防止できる。 According to this configuration, the outer skin 34, the fixing member 47, and the covering member can have a smooth outer shape with few steps causing the catch, so that the insertion property of the insertion device into the hole can be improved. it can. Further, since the fixing member 47 is provided inside the film member, when the fixing member 47 is made of metal, the fixing member 47 can be prevented from being corroded by water, a disinfecting liquid, or the like.
［第３実施形態］
図１０を参照して、第３実施形態の内視鏡装置１１について説明する。第３実施形態の内視鏡装置１１は、固定部材４７が外皮３４と一体化される点で第１の実施形態のものと異なっているが、他の部分は第１実施形態と共通している。このため、主として第１実施形態と異なる部分について説明し、第１実施形態と共通する部分については図示或いは説明を省略する。
[Third Embodiment]
With reference to FIG. 10, the endoscope apparatus 11 of 3rd Embodiment is demonstrated. The endoscope apparatus 11 of the third embodiment is different from that of the first embodiment in that the fixing member 47 is integrated with the outer skin 34, but the other parts are the same as those of the first embodiment. Yes. For this reason, parts different from the first embodiment will be mainly described, and illustrations or descriptions of parts common to the first embodiment will be omitted.
固定部材４７の形状および材料は、第１実施形態と同様である。 The shape and material of the fixing member 47 are the same as those in the first embodiment.
外皮３４は、外皮本体３４Ａと、外皮３４の先端部（端部）に設けられる折返し部３４Ｂと、を有する。折返し部３４Ｂは、外皮本体３４Ａから先端方向Ｄ１側に延びている。折返し部３４Ｂの厚み寸法は、外皮本体３４Ａの厚み寸法よりも小さく構成されている。折返し部３４Ｂの厚み寸法は、例えば外皮本体３４Ａの厚み寸法の半分以下で、且つ外皮本体３４Ａの厚み寸法の１／５以上で構成されている。なお、折返し部３４Ｂの厚み寸法は、一例であり、例えば外皮３４の先端方向Ｄ１に行くにつれて徐々に厚み寸法が小さくなるように設定してもよい。また、外皮３４（外皮本体３４Ａ、折返し部３４Ｂ）の内径は、挿入部本体４６の外径よりも若干小さく形成されている。 The outer skin 34 includes an outer skin main body 34 </ b> A and a folded portion 34 </ b> B provided at the tip (end) of the outer skin 34. The folded portion 34B extends from the outer skin main body 34A toward the distal direction D1. The thickness dimension of the folded portion 34B is configured to be smaller than the thickness dimension of the outer skin main body 34A. The thickness dimension of the folded portion 34B is, for example, not more than half of the thickness dimension of the outer skin main body 34A and not less than 1/5 of the thickness dimension of the outer skin main body 34A. In addition, the thickness dimension of the folding | returning part 34B is an example, For example, you may set so that a thickness dimension may become small gradually as it goes to the front-end | tip direction D1 of the outer_shell | skin 34. FIG. Further, the inner diameter of the outer skin 34 (outer skin main body 34 </ b> A, folded portion 34 </ b> B) is formed to be slightly smaller than the outer diameter of the insertion portion main body 46.
折返し部３４Ｂの内側には、固定部材４７が収納されている。すなわち、本実施形態では、外皮３４の内部に固定部材４７が設けられている。外皮３４の折返し部３４Ｂと固定部材４７とは、接着剤５２を介して一体的に接着されている。このように一体化された固定部材４７、折返し部３４Ｂ、接着剤５２によって、挿入部本体４６に対して外皮３４を締め付けて固定するために締め付け部７１が構成される。締め付け部７１の外径は、外皮本体３４Ａの外径と同等である。接着剤５２は、例えばウレタン系接着剤で構成されているが、エポキシ系接着剤等、ウレタン系接着剤以外の接着剤でもよい。 A fixing member 47 is housed inside the folded portion 34B. That is, in the present embodiment, the fixing member 47 is provided inside the outer skin 34. The folded portion 34 </ b> B of the outer skin 34 and the fixing member 47 are integrally bonded via an adhesive 52. The fastening member 71, the folded portion 34 </ b> B, and the adhesive 52 integrated in this way constitute a fastening portion 71 for fastening and fixing the outer skin 34 to the insertion portion main body 46. The outer diameter of the tightening portion 71 is equal to the outer diameter of the outer skin main body 34A. The adhesive 52 is made of, for example, a urethane adhesive, but may be an adhesive other than the urethane adhesive, such as an epoxy adhesive.
図１０を参照して、本実施形態の挿入部３１の製造工程について説明する。挿入部本体４６に対しては、予め外皮３４が被せられている。このとき、挿入部本体４６と外皮３４とを固定する箇所（外皮３４の先端方向Ｄ１側および外皮３４の基端方向Ｄ２側）に、薄い接着剤層を介在させ、挿入部本体４６と外皮３４との固定を補助してもよい。続いて、外皮３４上の折返し部３４Ｂに予め接着剤５２を塗布する。そして、治具または手指を用いて、固定部材４７の直径を大きくするように固定部材４７を伸長させる。この状態で、折返し部３４Ｂの中心軸Ｃに沿う方向に関する中間部付近に固定部材４７を被せる。さらに、折返し部３４Ｂの先端方向Ｄ１側の部分を基端方向Ｄ２側に折り返して、当該折返し部３４Ｂの先端方向Ｄ１側の部分が固定部材４７の上側に被さるようにする。このとき、元々折返し部３４Ｂの内径は挿入部本体４６の外径よりも小さく形成されているため、折返し部３４Ｂの先端方向Ｄ１側の部分を上記のように折り返すことで、折返し部３４Ｂの先端方向Ｄ１側の部分が固定部材４７および折返し部３４Ｂの基端方向Ｄ２側の部分に対して密着する。 With reference to FIG. 10, the manufacturing process of the insertion part 31 of this embodiment is demonstrated. The insertion portion main body 46 is covered with a skin 34 in advance. At this time, a thin adhesive layer is interposed at locations where the insertion portion main body 46 and the outer skin 34 are fixed (the distal direction D1 side of the outer skin 34 and the proximal end direction D2 side of the outer skin 34), thereby inserting the insertion portion main body 46 and the outer skin 34. You may assist with fixation. Subsequently, the adhesive 52 is applied in advance to the folded portion 34 </ b> B on the outer skin 34. Then, using the jig or fingers, the fixing member 47 is extended so as to increase the diameter of the fixing member 47. In this state, the fixing member 47 is placed near the intermediate portion in the direction along the central axis C of the folded portion 34B. Further, the portion on the distal direction D1 side of the folded portion 34B is folded back to the proximal direction D2 side so that the portion on the distal direction D1 side of the folded portion 34B covers the upper side of the fixing member 47. At this time, since the inner diameter of the folded portion 34B is originally smaller than the outer diameter of the insertion portion main body 46, the distal end of the folded portion 34B is folded by folding the portion on the distal direction D1 side of the folded portion 34B as described above. The portion on the direction D1 side is in close contact with the fixing member 47 and the portion on the base end direction D2 side of the folded portion 34B.
この作業によって、当該折返し部３４Ｂの先端方向Ｄ１側の部分、固定部材４７、および折返し部３４Ｂの基端方向Ｄ２側の部分が接着剤５２によって一体化する。この状態では、固定部材４７は、外皮３４の内部に配置される。また、固定部材４７は、その締め付け力によって外皮３４を挿入部本体４６に対して固定する。以上により、挿入部３１の製造工程が完了する。 By this work, the portion on the distal end direction D1 side of the folded portion 34B, the fixing member 47, and the portion on the proximal end direction D2 side of the folded portion 34B are integrated by the adhesive 52. In this state, the fixing member 47 is disposed inside the outer skin 34. The fixing member 47 fixes the outer skin 34 to the insertion portion main body 46 by the tightening force. Thus, the manufacturing process of the insertion portion 31 is completed.
本実施形態によれば、挿入装置は、孔内に挿入される挿入部本体４６と、挿入部本体４６の外周を覆う外皮３４と、外皮３４の内部に配置され、外皮３４を挿入部本体４６に固定する固定部材４７と、を具備する。この構成によれば、固定部材４７が外皮３４内に設けられるため、固定部材４７が金属で構成される場合に、水や消毒液等によって固定部材４７が腐食することを防止できる。また、固定部材４７と被覆部材４８とによって挿入部３１の外径が大きくなることがなく、挿入部３１を細径化して挿入部３１の挿入性を向上できる。さらに、外皮３４の先端部を長さ調整のために切断する必要がなく、組み立て工数を少なくできるとともに、外皮３４の先端部を切断する際に挿入部本体４６等を傷つけてしまうこともなく、製品の歩留まりを上昇できる。 According to this embodiment, the insertion device is disposed in the insertion portion main body 46 to be inserted into the hole, the outer skin 34 covering the outer periphery of the insertion portion main body 46, and the outer skin 34. And a fixing member 47 to be fixed to. According to this configuration, since the fixing member 47 is provided in the outer skin 34, when the fixing member 47 is made of metal, the fixing member 47 can be prevented from being corroded by water, a disinfecting liquid, or the like. In addition, the outer diameter of the insertion portion 31 is not increased by the fixing member 47 and the covering member 48, and the insertion portion 31 can be reduced in diameter to improve the insertability of the insertion portion 31. Furthermore, there is no need to cut the tip of the outer skin 34 for length adjustment, the number of assembling steps can be reduced, and the insertion portion main body 46 and the like are not damaged when the tip of the outer skin 34 is cut. Product yield can be increased.
［第４実施形態］
図１１を参照して、第４実施形態の内視鏡装置について説明する。第４実施形態の内視鏡装置１１は、インサート成形を用いて固定部材４７が外皮３４と一体化される点で第１の実施形態のものと異なっているが、他の部分は第１実施形態と共通している。このため、主として第１実施形態と異なる部分について説明し、第１実施形態と共通する部分については図示或いは説明を省略する。
[Fourth Embodiment]
With reference to FIG. 11, the endoscope apparatus of 4th Embodiment is demonstrated. The endoscope apparatus 11 of the fourth embodiment differs from that of the first embodiment in that the fixing member 47 is integrated with the outer skin 34 using insert molding, but the other parts are the first embodiment. Common with form. For this reason, parts different from the first embodiment will be mainly described, and illustrations or descriptions of parts common to the first embodiment will be omitted.
固定部材４７の形状および材料は、第１実施形態と同様である。固定部材４７は、外皮３４の内部に配置されている。より具体的には、固定部材４７は、外皮３４を成形（インサート成形）する際のインサートとして、成形品である外皮３４の内部に埋め込まれている。 The shape and material of the fixing member 47 are the same as those in the first embodiment. The fixing member 47 is disposed inside the outer skin 34. More specifically, the fixing member 47 is embedded in the outer skin 34 as a molded product as an insert when the outer skin 34 is molded (insert molding).
図１１を参照して、本実施形態の挿入部３１の製造工程について説明する。挿入部３１の組み立てに先立って、外皮３４は、内部に固定部材４７が予めインサートとして埋め込まれた状態で、円筒形に成形されている。このように形成した外皮３４を、挿入部本体４６に対して被せる。これによって、固定部材４７の締め付け力が作用して、外皮３４を挿入部本体４６に固定することができる。このとき、挿入部本体４６と外皮３４とを固定する箇所に、薄い接着剤層を介在させ、挿入部本体４６と外皮３４との固定を補助してもよい。以上により、挿入部３１の製造工程が完了する。 With reference to FIG. 11, the manufacturing process of the insertion part 31 of this embodiment is demonstrated. Prior to the assembly of the insertion portion 31, the outer skin 34 is formed in a cylindrical shape with a fixing member 47 embedded therein as an insert in advance. The outer skin 34 thus formed is put on the insertion portion main body 46. Thereby, the tightening force of the fixing member 47 acts, and the outer skin 34 can be fixed to the insertion portion main body 46. At this time, a thin adhesive layer may be interposed at a place where the insertion portion main body 46 and the outer skin 34 are fixed, and the fixing of the insertion portion main body 46 and the outer skin 34 may be assisted. Thus, the manufacturing process of the insertion portion 31 is completed.
本実施形態によれば、挿入装置は、孔内に挿入される挿入部本体４６と、挿入部本体４６の外周を覆う外皮３４と、外皮３４の内部に配置され、外皮３４を挿入部本体４６に固定する固定部材４７と、を具備する。この構成によれば、固定部材４７が外皮３４内に設けられるため、固定部材４７が金属で構成される場合に、固定部材４７の腐食を防止することができる。これによって、挿入装置の信頼性を向上できる。また、固定部材４７と被覆部材４８とによって挿入部３１の外径が大きくなることがなく、挿入部３１を細径化して挿入部３１の挿入性を向上できる。さらに、第３実施形態のように接着剤５２の塗布が不要であり、組み立て工数を少なくすることができる。 According to this embodiment, the insertion device is disposed in the insertion portion main body 46 to be inserted into the hole, the outer skin 34 covering the outer periphery of the insertion portion main body 46, and the outer skin 34. And a fixing member 47 to be fixed to. According to this configuration, since the fixing member 47 is provided in the outer skin 34, when the fixing member 47 is made of metal, corrosion of the fixing member 47 can be prevented. Thereby, the reliability of the insertion device can be improved. In addition, the outer diameter of the insertion portion 31 is not increased by the fixing member 47 and the covering member 48, and the insertion portion 31 can be reduced in diameter to improve the insertability of the insertion portion 31. Furthermore, unlike the third embodiment, the application of the adhesive 52 is unnecessary, and the number of assembly steps can be reduced.
（第１変形例）
図１２を参照して、第４実施形態の内視鏡装置１１の第１変形例について説明する。ここでは、主として第４実施形態と異なる部分について説明し、第４実施形態と共通する部分については図示或いは説明を省略する。
(First modification)
With reference to FIG. 12, the 1st modification of the endoscope apparatus 11 of 4th Embodiment is demonstrated. Here, parts different from the fourth embodiment will be mainly described, and illustrations or descriptions of parts common to the fourth embodiment will be omitted.
本変形例では、固定部材４７は、外皮３４に対してインサートではなく、外皮３４の溝部７２に対する差し込みによって外皮３４に一体化される。溝部７２（スリット、開口部）は、外皮３４の厚み寸法内で、固定部材４７の厚み寸法と同等かそれよりも若干大きい寸法の幅で環状に設けられている。溝部７２の内側には、固定部材４７を収納することができる。固定部材４７の形状および材料は、第１実施形態と同様である。また、溝部７２は、固定部材４７を収納した状態で、封止用接着剤７３（接着剤）等の樹脂によって密封されている。封止用接着剤７３は、例えばウレタン系接着剤で構成されているが、エポキシ系接着剤等、ウレタン系接着剤以外の接着剤でもよい。 In this modification, the fixing member 47 is not an insert with respect to the outer skin 34, but is integrated with the outer skin 34 by insertion into the groove portion 72 of the outer skin 34. The groove 72 (slit, opening) is provided in an annular shape with a width that is equal to or slightly larger than the thickness of the fixing member 47 within the thickness of the outer skin 34. The fixing member 47 can be accommodated inside the groove portion 72. The shape and material of the fixing member 47 are the same as those in the first embodiment. The groove 72 is sealed with a resin such as a sealing adhesive 73 (adhesive) in a state where the fixing member 47 is accommodated. The sealing adhesive 73 is made of, for example, a urethane adhesive, but may be an adhesive other than the urethane adhesive, such as an epoxy adhesive.
本変形例の挿入部３１の製造工程では、外皮３４の溝部７２に対して固定部材４７を差し込む。そして、溝部７２を封止用接着剤７３で密封した後、このように一体化した外皮３４および固定部材４７を、挿入部本体４６に対して被せる。これによって、固定部材４７の締め付け力が作用して、外皮３４を挿入部本体４６に固定することができる。本変形例でも同様に、挿入部本体４６と外皮３４とを固定する箇所に、薄い接着剤層を介在させ、挿入部本体４６と外皮３４との固定を補助してもよい。 In the manufacturing process of the insertion portion 31 of this modification, the fixing member 47 is inserted into the groove portion 72 of the outer skin 34. Then, after sealing the groove portion 72 with the sealing adhesive 73, the outer skin 34 and the fixing member 47 thus integrated are placed on the insertion portion main body 46. Thereby, the tightening force of the fixing member 47 acts, and the outer skin 34 can be fixed to the insertion portion main body 46. Similarly, in this modified example, a thin adhesive layer may be interposed at a position where the insertion portion main body 46 and the outer skin 34 are fixed, and the fixing of the insertion portion main body 46 and the outer skin 34 may be assisted.
本変形例によれば、固定部材４７が外皮３４内に設けられるため、固定部材４７が金属で構成される場合に、固定部材４７の腐食を防止することができる。これによって挿入装置の信頼性を向上できる。 According to this modification, since the fixing member 47 is provided in the outer skin 34, when the fixing member 47 is made of metal, corrosion of the fixing member 47 can be prevented. Thereby, the reliability of the insertion device can be improved.
本発明は、上述した実施の形態に限定されるものではなく、その要旨を逸脱しない範囲で適宜変形実施することができる。すなわち、上記各実施形態では、外皮３４と被覆部材４８との固定に接着剤を用いているが、これらの固定に熱溶着を用いてもよい。また、固定部材４７の材質は、金属材料に限定されるものではなく、ＦＲＰ等の樹脂で形成されていてもよい。さらに、上記各実施形態および各変形例の内視鏡装置１１を組み合わせて一つの内視鏡装置１１を構成することもできる。 The present invention is not limited to the above-described embodiment, and can be appropriately modified without departing from the gist thereof. That is, in each of the above embodiments, an adhesive is used to fix the outer skin 34 and the covering member 48, but heat welding may be used to fix these. The material of the fixing member 47 is not limited to a metal material, and may be formed of a resin such as FRP. Furthermore, the endoscope apparatus 11 of each said embodiment and each modification can be combined, and the one endoscope apparatus 11 can also be comprised.
上記各実施形態では挿入装置の一例として医療用の内視鏡１２を用いる例について説明した。挿入装置の他の例には、光源装置１４及び先端硬質部２１の照明レンズ２２等を含む照明光学系や、画像撮影装置、モニタ１７及び先端硬質部２１の対物レンズ２５等を含む観察光学系が存在しないもの、或いは医療用ではなく工業用途の内視鏡が含まれる。挿入装置の一例に含まれる工業用途の内視鏡では、上記した各実施形態および各変形例において被覆部材４８、６３、６６を外皮３４に固定するための各種の接着剤を省略することもできる。 In each of the above embodiments, an example in which the medical endoscope 12 is used as an example of the insertion device has been described. Other examples of the insertion device include an illumination optical system including the light source device 14 and the illumination lens 22 of the distal end hard portion 21, and an observation optical system including the image capturing device, the monitor 17, the objective lens 25 of the distal end rigid portion 21, and the like. Or endoscopes for industrial use rather than medical use. In the endoscope for industrial use included in an example of the insertion device, various adhesives for fixing the covering members 48, 63, and 66 to the outer skin 34 in each of the above-described embodiments and modifications may be omitted. .
１１…内視鏡装置、１２…内視鏡、３４…外皮、３４Ｂ…折返し部、４６…挿入部本体、４７…固定部材、４８…被覆部材、５２…接着剤、６１…第１固定部材、６２…第２固定部材、６３…第１被覆部材、６３Ａ…第１傾斜部、６５…第１接着剤、６６…第２被覆部材、６６Ａ…第１傾斜部、６６Ｂ…第２傾斜部、６７…第２接着剤。 DESCRIPTION OF SYMBOLS 11 ... Endoscope apparatus, 12 ... Endoscope, 34 ... Outer skin, 34B ... Folding part, 46 ... Insert part main body, 47 ... Fixing member, 48 ... Cover member, 52 ... Adhesive, 61 ... 1st fixing member, 62 ... 2nd fixing member, 63 ... 1st coating member, 63A ... 1st inclination part, 65 ... 1st adhesive agent, 66 ... 2nd coating member, 66A ... 1st inclination part, 66B ... 2nd inclination part, 67 ... second adhesive.
Claims (5)
前記挿入部本体の外周を覆う外皮と、
前記外皮の外周に前記挿入部本体の中心軸を中心とする前記外皮上の仮想円に対して蛇行するように配置され、前記仮想円に沿う方向に収縮可能で、前記外皮を前記挿入部本体に固定する環状の固定部材と、
前記固定部材の周囲を覆うように前記固定部材と一体的に形成されるとともに弾性を有する被覆部材と、
を具備する挿入装置。 An insertion portion main body inserted into the hole;
An outer skin covering the outer periphery of the insertion portion main body,
The outer skin is arranged so as to meander with respect to a virtual circle on the outer skin centered on the central axis of the insertion portion main body, and is contractible in a direction along the virtual circle, and the outer skin is inserted into the insertion portion main body. An annular fixing member to be fixed to,
A covering member formed integrally with the fixing member so as to cover the periphery of the fixing member and having elasticity;
An insertion device comprising:
前記外皮は前記湾曲部の外周を覆う請求項１に記載の挿入装置。 The insertion portion main body has a bendable bending portion,
The insertion device according to claim 1, wherein the outer skin covers an outer periphery of the bending portion.
前記挿通孔には前記被覆部材が充填される請求項４に記載の挿入装置。 The fixing member has an insertion hole that penetrates an inner periphery and an outer periphery thereof,
The insertion device according to claim 4, wherein the insertion member is filled with the covering member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015130663A JP6460928B2 (en) | 2015-06-30 | 2015-06-30 | Insertion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015130663A JP6460928B2 (en) | 2015-06-30 | 2015-06-30 | Insertion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017012344A JP2017012344A (en) | 2017-01-19 |
| JP6460928B2 true JP6460928B2 (en) | 2019-01-30 |
Family
ID=57827954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015130663A Active JP6460928B2 (en) | 2015-06-30 | 2015-06-30 | Insertion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6460928B2 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61196210U (en) * | 1985-05-28 | 1986-12-06 | ||
| JP3957288B2 (en) * | 2002-11-18 | 2007-08-15 | オリンパス株式会社 | Endoscope |
| JP4589714B2 (en) * | 2004-12-17 | 2010-12-01 | Ｈｏｙａ株式会社 | Skin fixing method, endoscope flexible tube, and endoscope |
| JP2008018014A (en) * | 2006-07-12 | 2008-01-31 | Olympus Medical Systems Corp | Belt-like member for endoscope bending section |
| JP5085208B2 (en) * | 2007-07-05 | 2012-11-28 | オリンパスメディカルシステムズ株式会社 | Flexible tube of medical instrument |
| JP2009195456A (en) * | 2008-02-21 | 2009-09-03 | Hoya Corp | Bend structure of endoscope |
| JP2011110209A (en) * | 2009-11-26 | 2011-06-09 | Olympus Corp | Endoscope insertion part, endoscope, and method for manufacturing endoscope insertion part |
-
2015
- 2015-06-30 JP JP2015130663A patent/JP6460928B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017012344A (en) | 2017-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5444516B1 (en) | Curved tube, medical equipment | |
| JP6854912B2 (en) | Endoscope system and endoscope | |
| JP2010000269A (en) | Endoscope | |
| US9661993B2 (en) | Endoscope | |
| JP4652843B2 (en) | Endoscope | |
| US10898058B2 (en) | Endoscope having cover and molded member each forming part of distal end face of insertion section | |
| JP5404980B1 (en) | Endoscope | |
| JP2012095719A (en) | Endoscope | |
| JP6460928B2 (en) | Insertion device | |
| JP5974203B1 (en) | Endoscope | |
| JP5932180B1 (en) | Insertion device | |
| JP2012176113A (en) | Endoscope | |
| JP3204367U (en) | Infection prevention sheath for endoscope | |
| JP3923999B2 (en) | Endoscope cleaning sheath | |
| JP7293333B2 (en) | Endoscope and method for manufacturing an endoscope | |
| JP5085208B2 (en) | Flexible tube of medical instrument | |
| WO2021049205A1 (en) | Cover for rigid endoscope, endoscope unit, and use method for endoscope unit | |
| JP2001137180A (en) | Endoscope | |
| JP3605698B2 (en) | Angle part of endoscope | |
| JP2006271491A (en) | Treating instrument insertion channel of endoscope | |
| JP4535252B2 (en) | Ultrasound endoscope | |
| JP2012192028A (en) | Overtube | |
| WO2016056416A1 (en) | Endoscope | |
| WO2018066274A1 (en) | Endoscope | |
| JP4412776B2 (en) | End of the endoscope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170921 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180731 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180828 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181018 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20181204 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20181225 |
|
| R151 | Written notification of patent or utility model registration |
Ref document number: 6460928 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |