JPS58200211A - Tube for endoscope and its connecting method - Google Patents
Tube for endoscope and its connecting methodInfo
- Publication number
- JPS58200211A JPS58200211A JP57084524A JP8452482A JPS58200211A JP S58200211 A JPS58200211 A JP S58200211A JP 57084524 A JP57084524 A JP 57084524A JP 8452482 A JP8452482 A JP 8452482A JP S58200211 A JPS58200211 A JP S58200211A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- flexible
- pipe
- tubes
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 11
- 229920001971 elastomer Polymers 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000011347 resin Substances 0.000 abstract description 9
- 229920005989 resin Polymers 0.000 abstract description 9
- 239000004698 Polyethylene Substances 0.000 abstract description 4
- -1 polyethylene Polymers 0.000 abstract description 4
- 229920000573 polyethylene Polymers 0.000 abstract description 4
- 229920001774 Perfluoroether Polymers 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000002654 heat shrinkable material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004719 irradiation crosslinked polyethylene Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は軟性チューブ相互間を連結して成る内視鏡用チ
ューブあるいは軟性チ二−ブ忙硬性パイプを連結して成
る内視鏡用チューブおよび軟性チューブ相互間あるいは
軟性チューブと硬性パイプを連結する方法に関し、熱収
縮性チューブまたは自動収縮ゴムチューブを連結用チュ
ーブとして使用することにより軟性チューブ相互間の連
結または軟性チューブと硬性パイプの連結の作業性を向
上するとともに連結部の結合強度にすぐれた軟性チュー
ブある〜・は軟性チューブと硬性パイプから成る内視鏡
用チューブの提供を目的とするものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an endoscope tube formed by connecting flexible tubes together, or an endoscope tube formed by connecting flexible tubes to a rigid pipe; Regarding the method of connecting tubes and rigid pipes, using heat-shrinkable tubes or self-shrinking rubber tubes as connecting tubes improves the workability of connecting between flexible tubes or connecting flexible tubes and hard pipes. The object of the present invention is to provide an endoscopic tube consisting of a flexible tube and a hard pipe.
以下第１，２図により従来技術を説明する。 １
従来第１図忙示す軟性チューブ１２はフッ素樹脂等で形
成されており、硬性パイプ１１はステツ ３−
レス等によりなり、との硬性パイプ１１の連結端部１１
ａは軟性チューブ１２の連結端部１２ｍに挿入されてい
矛。さらに、硬５性パイプ１１の連結端部１１ａの外周
には凹凸部１３か形成されており、この凹凸部１３に軟
性チューブ１２か食い込んでいる。この食い込みは軟性
チューブ１２を加熱するととｋより軟性チューブ１２の
内外径を広げ、硬質パイプ１１を挿入後、軟性チューブ
１２を冷却するとと忙より軟性チューブ１２の収縮な利
用して連結を行ない又、軟性チューブ１２か収縮しない
材質の場合には軟性チューブ１２外径を圧縮しながら冷
却することにより連結を行なうものである。The prior art will be explained below with reference to FIGS. 1 and 2. 1
Conventionally, the flexible tube 12 shown in FIG.
A is a spear inserted into the connecting end 12m of the flexible tube 12. Further, an uneven portion 13 is formed on the outer periphery of the connecting end portion 11a of the rigid pipe 11, and the flexible tube 12 bites into this uneven portion 13. This biting occurs when the soft tube 12 is heated, which increases the inner and outer diameters of the soft tube 12, and when the hard tube 11 is cooled after inserting the hard pipe 11, the contraction of the soft tube 12 is used to connect the tube. If the flexible tube 12 is made of a material that does not shrink, the connection is performed by cooling the flexible tube 12 while compressing its outer diameter.
以上か従来実施されている軟性チューブと硬性パイプの
連結方法であるか、この連結方法には次の様な欠点があ
る。Either the above or the conventional method of connecting a flexible tube and a hard pipe has the following drawbacks.
まず、軟性チューブがＰＥＰやＰＦＡ等のフッ紫樹脂チ
ューブの場合には、加熱、冷却後収縮か充分に行なわれ
るが、ポリエチレンチューブ等の場合には収縮か充分で
な（・ために、硬質パイプ１１４−
の凹凸部１３！ｌｃ樹脂が食〜・込みにくく、外的な力
を加えなければならないと〜・う欠点がある。First, if the flexible tube is a fluoroplastic resin tube such as PEP or PFA, it will shrink sufficiently after heating and cooling, but if it is a polyethylene tube, the shrinkage will not be sufficient. 114- The concavo-convex portion 13!LC resin is difficult to eat and penetrate, and there is a drawback that external force must be applied.
また軟性チューブ１２として用〜・る細径の樹脂チ二−
ブを製造する場合にお（・て、一般に内外径でそれぞれ
０．１〜０．２寵程度のバラツキを生じ他方硬性パイプ
１１も外径０．０５ｗａ度のバラツキか存在する。従っ
て軟性チューブ１２に硬質パイプ１１を挿入す仝際、硬
性パイプ１１の外径が軟性パイプ１２の内径よりも大き
すぎる場合や、硬性パイプ１１の外径が軟性パイプ１２
の内径よりも小さ〜・場合があり、硬性パイプｌｌと軟
性チューブ１２の挿入が不可能な場合や、硬質パイプ１
１の凹凸部１３に軟性チューブ１２の連結端部１２ａの
食い込みが不充分であったりする。Also, a small diameter resin china can be used as the flexible tube 12.
When manufacturing pipes, there is generally a variation of about 0.1 to 0.2 degrees in the inner and outer diameters, and on the other hand, the outer diameter of the hard pipe 11 also varies by about 0.05 degrees. Therefore, the flexible tube 12 When inserting hard pipe 11 into
In some cases, the inner diameter of the hard pipe 1 and the soft tube 12 cannot be inserted, or the hard pipe 1
The connecting end 12a of the flexible tube 12 may not bite into the uneven portion 13 of the flexible tube 1 insufficiently.
さらに、前記した従来の連結方法では８ｇ２図に示す如
く引張力が加えられると軟性チューブ１２は収縮する方
向なので、硬性パイプ１１の凹凸部１３に一層食℃・込
み、結合力か増大するが、逆に圧縮力が加えられた場合
には、軟性チューブ１１は径が拡大する方向で抜は易く
なるとｔ・う欠点がある。Furthermore, in the above-mentioned conventional connection method, as shown in Figure 8g2, the flexible tube 12 tends to contract when a tensile force is applied, so the uneven portions 13 of the rigid pipe 11 are further penetrated, increasing the bonding force. Conversely, when compressive force is applied, the flexible tube 11 has the disadvantage that it becomes easier to pull out in the direction in which the diameter increases.
因って、本発明は前記従来技術の欠点に鑑みてなされた
ものであり、以下本発明の実施例を図面を参照して説明
する。Therefore, the present invention has been made in view of the drawbacks of the prior art, and embodiments of the present invention will be described below with reference to the drawings.
第３図は本発明の第１実施例を示し、硬性ノ々イブ３１
８Ｕ８３０４（φ２０）の連結端部３１ａはエネルギー
線照射架橋ポリエチレンチューブ（内径φ１．９５、外
径φ２．４）からなる軟性チューブ３２の連結端部３２
ａの内径に挿入し、さらにかかる結合部の軟性チューブ
３２の連結端部３２ａの外周には、ＰＰＡ（パーフロロ
アルコキシ樹脂）を用−・た連結用チューブとしての熱
収縮チューブ３３ｖｋ：装着する。前記硬性パイプ３１
の連結端部３１ａの外周面はサンドブラスト処理を施し
た凹凸部３４を設けである０
しかして、これらの構成におｔ・て第３図示の結合部４
５ｔ１′部材付近温度１５０．”Ｃ，、約２〜３ｓｅｃ
で加熱することにより前記熱収縮チューブ３３は径方向
に収縮せしめることかできる。従って、このチューブ３
３の収縮により第４図に示す通り、軟性チューブ３２の
連結端部３２ａは硬性パイプ３１の連結端部３１ａの凹
凸部３４に食℃・込み、チューブ３３の外径は軟性パイ
プ３２の外径と同一となる。さらに、エネルギー線照射
架橋ポリエチレ／チヱーブから成る軟性チューブ３２は
加熱時に透明となり、冷却後はステンレス製の硬性パイ
プ３１に溶着した状態となる。又、結合強度を調査する
ための引張試験では、すべて軟性チューブ３２が破壊す
るまで結合部４５は耐え、圧縮試験でも充分な強度が確
認された。FIG. 3 shows a first embodiment of the present invention, in which a rigid knob 31
The connecting end 31a of 8U8304 (φ20) is the connecting end 32 of a flexible tube 32 made of energy ray irradiation cross-linked polyethylene tube (inner diameter φ1.95, outer diameter φ2.4)
A heat-shrinkable tube 33vk as a connecting tube made of PPA (perfluoroalkoxy resin) is attached to the outer periphery of the connecting end 32a of the flexible tube 32 of the connecting portion. The rigid pipe 31
The outer circumferential surface of the connecting end 31a is provided with an uneven part 34 which is sandblasted.
Temperature near 5t1' member 150. ”C, about 2-3 seconds
By heating the heat shrink tube 33, the heat shrink tube 33 can be contracted in the radial direction. Therefore, this tube 3
As shown in FIG. 4, due to the contraction of 3, the connecting end 32a of the flexible tube 32 sinks into the uneven portion 34 of the connecting end 31a of the rigid pipe 31, and the outer diameter of the tube 33 becomes the outer diameter of the flexible pipe 32. is the same as Further, the flexible tube 32 made of cross-linked polyethylene/tube exposed to energy rays becomes transparent when heated, and after cooling becomes welded to the hard pipe 31 made of stainless steel. Furthermore, in a tensile test to investigate the bonding strength, the bonded portions 45 withstood until all the flexible tubes 32 were destroyed, and sufficient strength was confirmed in the compression test.
次に第２夾施例について説明すると、前記第１実施例の
構成下にお〜・て第５図に示す如く硬性パイプ５１の外
径に比較して軟性チューブ５２の内径が大き−・場合で
も、熱収縮チューブ５３の収縮により軟性チ二−プ５２
の連結端部５２ａか硬性パイプ５１の連結端部５１ａの
凹凸部５４に充分に食い込ませることが出来、第１実施
例と同様の効果を以って実施出来ることを示す。Next, a second embodiment will be described. Under the structure of the first embodiment, the inner diameter of the flexible tube 52 is larger than the outer diameter of the hard pipe 51, as shown in FIG. However, due to the shrinkage of the heat shrink tube 53, the soft chip 52
This shows that the connecting end 52a of the rigid pipe 51 can be sufficiently penetrated into the concavo-convex portion 54 of the connecting end 51a of the rigid pipe 51, and that the same effect as in the first embodiment can be achieved.
また第３実施例について説明すると、前記第１実施例の
構成において第６図に示す如く熱収縮チューブ６３が硬
性バイブロ１と軟性チューブ６２の結合部６５だけでな
く、硬性バイブロ１の外周部６４にまで被覆した場合を
示し、軟性チューブ６２の連結端６２ｂのひっかかりに
よる軟性チューブ６２の抜け、キズつき等を防ぐことが
できるように構成したものである。尚６１ａ、６２ａは
それぞれの連結端部、６６は硬性バイブロ１の外周面に
設け゛た凹凸部である。Also, to explain the third embodiment, in the configuration of the first embodiment, the heat-shrinkable tube 63 is connected not only to the connecting portion 65 of the hard vibro 1 and the soft tube 62, but also to the outer peripheral portion 64 of the hard vibro 1, as shown in FIG. This shows a case in which the flexible tube 62 is coated to the extent that the connection end 62b of the flexible tube 62 is caught, thereby preventing the flexible tube 62 from coming off or being scratched. Note that 61a and 62a are respective connecting ends, and 66 is an uneven portion provided on the outer peripheral surface of the rigid vibro 1.
さらに第４実施例は前記第１実施例の構成忙おいて第７
図に示す如く熱収縮チューブ７３が硬性パイプ７１の連
結端７１ａと軟性チューブ７２の連結端部７２ａの両者
の結合部７５だけでなく、軟性チ二−プ７２の外周部７
４にまで被覆した場合であり、熱収縮チ具−プ７３は、
軟性チューブ７２と硬性パイプ７１の結合部７５でのみ
収縮させ、軟性チ二−ブ７２の外周部７４では収ＩＩＭ
をさせな−・ことにより軟性チューブ７２の折れ止めを
行うことか出来るように構成したものである。Furthermore, the fourth embodiment is a seventh embodiment based on the structure of the first embodiment.
As shown in the figure, the heat-shrinkable tube 73 connects not only the joint 75 between the connecting end 71a of the hard pipe 71 and the connecting end 72a of the flexible tube 72, but also the outer circumference 7 of the flexible chip 72.
4, and the heat shrinkable chip 73 is
It is contracted only at the joint 75 between the flexible tube 72 and the hard pipe 71, and the outer periphery 74 of the flexible tube 72 is contracted.
The structure is such that the flexible tube 72 can be prevented from bending.
第５実施例は第８図に示す如く軟性チューブ８２と軟性
チューブ８３相互間の連結を示すものであり、軟性チュ
ーブ８２及び８３の連結端部８２ａ。The fifth embodiment shows a connection between a flexible tube 82 and a flexible tube 83 as shown in FIG. 8, and a connecting end 82a of the flexible tubes 82 and 83.
８３ａをそれぞれ硬性パイプ８１の凹凸部８４の中央部
まで挿入し、両連結端部８２ ａ、 ８３ ａの突合
部外周に熱収縮チューブ８５ｙ！−装着した後、当該熱
収縮チューブ８５を前記第１実施例を同様に加熱収縮す
ること忙よって被覆することにより簡単に軟性チューブ
８２．８３相互の連結を行なうことができる。83a to the center of the concavo-convex portion 84 of the rigid pipe 81, and a heat-shrinkable tube 85y! - After installation, the flexible tubes 82 and 83 can be easily connected to each other by covering the heat-shrinkable tube 85 with the same heat-shrinkable material as in the first embodiment.
第６実施例は、前記各実施例において、連結用チューブ
として熱収縮チューブを用いて硬性パイプと軟性チュー
ブ又は軟性チューブ相互間の連結を行なったものである
が、当該実施例にお〜・ては連結用チューブとして自動
収縮ゴムチ工−ブ９３を用いた実−例を第９図により示
す。In the sixth embodiment, in each of the above embodiments, a heat-shrinkable tube is used as the connecting tube to connect the hard pipe and the flexible tube or between the flexible tubes. FIG. 9 shows an example in which a self-shrinking rubber tube 93 is used as a connecting tube.
９１は硬性パイプ、９２は軟性チューブで共に前述しズ
きた実施例と同一の材料から成るものであり、９３は前
記実施例の熱収縮チューブと同様に軟性チューブ９２の
連結端部９２ａ’＆径方向にしめつけ、硬性パイプ９１
の連結端部９１ａ外周に設けた凹凸部９４に食〜・込ま
せる役割をする自動収縮ゴムチューブである。この自動
収縮ゴムチューブ９３は有機溶剤により膨潤させ、内外
径を大きくさせた状態で前記両連結端部９１ａ、９２ａ
の外周にＩｉ＆着する。これを大気中にさらすことによ
り溶剤を飛散させ再び径を小さくすることが出来るもの
である。ゴムの材質としては、ポリウレタン、シリコン
、ＥＰＤＭ（エチレン・プロピレン拳ジ土ン・モノマー
）、フッ素ゴム、ネオプレン等がある。一般にこれらの
収縮ゴムチューブ９３は耐候性にすぐれ、また加熱を必
要としないので危険性か少なく収縮率も非常に大きいと
いう特徴かある。従って、硬性パイプ９１か樹脂性で加
熱か不適尚な場合や、燃料チューブ等の接続の場合に効
果を発揮する。91 is a hard pipe, 92 is a flexible tube, both of which are made of the same material as in the previous embodiment, and 93 is a connecting end 92a'& diameter of the flexible tube 92, similar to the heat shrinkable tube of the previous embodiment. Tighten in the direction, hard pipe 91
It is a self-shrinking rubber tube that plays the role of biting into the uneven portion 94 provided on the outer periphery of the connecting end 91a. This self-shrinking rubber tube 93 is swollen with an organic solvent to enlarge the inner and outer diameters of the two connecting ends 91a and 92a.
Ii& is attached to the outer periphery of. By exposing this to the atmosphere, the solvent can be scattered and the diameter can be reduced again. Examples of rubber materials include polyurethane, silicone, EPDM (ethylene propylene monomer), fluororubber, and neoprene. In general, these shrinkable rubber tubes 93 have excellent weather resistance, do not require heating, are less dangerous, and have a very high shrinkage rate. Therefore, it is effective in cases where heating is inappropriate due to the hard pipe 91 or resin, or in cases where a fuel tube or the like is connected.
以上各実施例で示した本発明には次の様な効果がある。The present invention shown in each of the embodiments above has the following effects.
熱収縮チューブを用いることにより、ポリエチ１゜
レンチューブの様に加熱、冷却後、径か元にもどらない
種類の樹脂チューブの結合が可能であり、硬性パイプの
連結端部の外周面に設けられた凹凸部に軟性チューブか
良く食℃・込み、強力な連結力か得られ、圧縮に対して
も充分な強度か得られる。By using a heat shrink tube, it is possible to connect resin tubes such as polyethylene 1° tubes that do not return to their original diameter after heating and cooling. The flexible tube absorbs well into the uneven parts, providing strong connecting force and sufficient strength against compression.
また、内視鏡の送気送水チューブ等ＦＣ適用する際に、
連結部での水密性を要求されるか、本発明による連結法
では非常に良好な水幣性が得られ、さらに軟性チューブ
にポリエチレンチューブを用ｔ・た場合には、前記の硬
性パイプの凹凸部への食〜・込みと〜・う効果と同時に
、加熱による軟性チューブと硬性パイプの溶着という効
果か得られる。In addition, when applying FC to air and water tubes for endoscopes,
Watertightness is required at the connection part, and the connection method according to the present invention provides very good watertightness.Furthermore, when a polyethylene tube is used as the flexible tube, it is possible to avoid the unevenness of the hard pipe as described above. At the same time, the effect of welding the soft tube and hard pipe by heating can be obtained.
それから、熱収縮チューブに、ｉｔ熱性、耐薬性、耐候
性等に優れて℃・るフッ素樹脂チューブな・用〜・るこ
とにより、軟性チューブの結合部での経時変化尋を防ぐ
事が出来る効果を持つ。Furthermore, by using fluororesin tubes that have excellent heat resistance, chemical resistance, weather resistance, etc. as heat shrinkable tubes, it is possible to prevent deterioration over time at the joints of flexible tubes. have.
さらに、樹脂チューブの外径、内径、及び硬性パイプの
外径の寸法のバラツキにより、一般には両者の結合を行
なう際、それぞれ、ぎびしｔ・寸法公差内で使用しなく
てはならないが、本発明による熱収縮チューブを利用し
た連結方法にすれば非 １常に広い幅での連結が可
能となる効果がある。Furthermore, due to variations in the outside diameter and inside diameter of the resin tube, and the outside diameter of the rigid pipe, generally when joining the two, each must be used within tight tolerances. The connection method using heat-shrinkable tubes according to the present invention has the effect of enabling connections over an extremely wide width.
また、熱収縮チューブを硬質の熱収縮性のパイプ凹凸部
だけでなく、硬性パイプの外周にまで被蝋することによ
り、ひっかかりにょる軟性チューブの抜け、キズつき等
を防ぐ効果かある。Furthermore, by coating the heat-shrinkable tube not only on the uneven portions of the hard heat-shrinkable pipe but also on the outer periphery of the hard pipe, there is an effect of preventing the soft tube from coming off or being scratched due to getting caught.
第４実施例は第３実施例とは逆に、熱収縮チュ。The fourth embodiment is a heat-shrinkable tube, contrary to the third embodiment.
−ブを結合部だけでなく軟性チューブ外周ｋまで被榎し
、かつ、両省の連結端部の外周部分のみを加熱収縮させ
ることにより、第１実施例と同じ効果に加えて軟性チュ
ーブの折れ、座屈を防ぐという効果がある。- In addition to the same effect as the first embodiment, by extending the tube not only to the joint part but also to the outer circumference k of the flexible tube, and by heating and shrinking only the outer circumferential part of the connecting end of both parts, in addition to the same effect as the first embodiment, bending of the flexible tube can be prevented. This has the effect of preventing buckling.
また第４実施例によれは、非常に安価な部材でかつ、簡
単に軟性チューブ相互間の連結が可能となり、との狽チ
ューブから成る内視鏡チューブを安価に提供することか
でき、堅固な結合構成から成る内視鏡チューブを提供す
ることができる。Further, according to the fourth embodiment, it is possible to easily connect the flexible tubes with each other using very inexpensive members, and it is possible to provide an endoscope tube consisting of a rigid tube at a low cost, and a rigid tube. An endoscopic tube can be provided that is configured in a bonded configuration.
さて、以上の各実施例は連結用チューブとして熱収縮チ
ューブを用ｔ・たものであるが、第６実施例の場合には
ゴムの収縮チューブ（自動収縮チューブ）を用−・て実
施するもので特に硬性パイプか樹脂性で加熱を避けたい
場合、ある〜・は燃料などの危険物を使用する場合に効
果がある。Now, each of the above embodiments uses a heat shrink tube as a connecting tube, but in the case of the sixth embodiment, a rubber shrink tube (automatic shrink tube) is used. Particularly effective when using hard pipes or resin pipes to avoid heating, and when using dangerous materials such as fuel.
第１図および第２図は従来の内視鏡用チューブとチュー
ブの連結状態を示す断面図、第３，４図は本発明の第１
笑施例を示す断面図、第５図は本発明の第２実施例を示
す断面図、第６図は本発明の第３実施例を示す断面図、
第７図は本発明の第４実施例を示す断面図、ｔｓＢ図は
本発明の第５実施例を示す断面図、第９図は本発明の第
６実施例を示す断面図である。
１１、３１．５１．６１．７１．９１ ｍ硬性パイプ１
２、３２．５２．６２．７２．８２．８３．９２・・拳
軟性チューブ
１３、３４．５４．６６、７６、８４．９４・・・硬性
パイプの連結端部外周の凹凸部１１ａ、 ３１ａ、 ５
１ａ、 ６１ａ、 ７１ａ、 ８３ａ、 ９１ｇ−・噂
硬性パイプの連結端部
１２ａ、 ３２ａ、 ５２ａ、 ６２ａ、 ７２ａ、
８２ａ、 ８３ａ、 ９２ａ。
・・・軟性チューブの連結端部
３３、５３．６３．７３．８５・・・熱収縮チューブ９
３・１１１自動収縮ゴムチューブ
第１図
第２図
第３図
第４図
第５図
１ＩＧ図
第７図
第８図
第９図
手続補正書（自発）
昭和５７年１０月２６日
昭和５７年特 軒願第８４５２４号発明の名称
２゛ 内視鏡用チューブとチューブの連結方法３、 補
正をする者
事件との関係 特許出願人
住 所 東京都渋谷区幡ケ谷２丁目４３番２号□ ゎ
、お称） （０３７）オリンパス゛光学工業株式会
社取締役社長 北 村 茂 男
４、代理人
ｒｂ ｉ （６９４２）弁理士 奈 良
武８、補正の内容
（１）明細書第７頁第６行目の「（φ２０）」との記載
を「（φ２．０）Ｊと補正する。
−２＝FIGS. 1 and 2 are cross-sectional views showing a conventional endoscope tube and a state in which the tubes are connected, and FIGS.
5 is a sectional view showing a second embodiment of the present invention, FIG. 6 is a sectional view showing a third embodiment of the present invention,
FIG. 7 is a sectional view showing a fourth embodiment of the invention, tsB is a sectional view showing a fifth embodiment of the invention, and FIG. 9 is a sectional view showing a sixth embodiment of the invention. 11, 31.51.61.71.91 m rigid pipe 1
2, 32.52.62.72.82.83.92...Fist flexible tube 13, 34.54.66, 76, 84.94...Irregularities 11a, 31a on the outer periphery of the connecting end of the rigid pipe 5
1a, 61a, 71a, 83a, 91g--Connecting ends of rumored rigid pipes 12a, 32a, 52a, 62a, 72a,
82a, 83a, 92a. . . . Connecting ends of flexible tubes 33, 53.63.73.85 . . . Heat shrink tube 9
3.111 Self-shrinking rubber tube Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 1 IG Figure 7 Figure 8 Figure 9 Procedural amendment (voluntary) October 26, 1980 Name of the invention of Eken Application No. 84524 2゛ Endoscope tube and tube connection method 3, Relationship with the case of the person making the amendment Patent applicant address 2-43-2 Hatagaya, Shibuya-ku, Tokyo ゎゎゎゎゎゎゎゎ(037) Olympus Optical Industry Co., Ltd. President Shigeo Kitamura 4, Agent RB I (6942) Patent Attorney Nara
Take 8. Contents of amendment (1) The statement "(φ20)" on page 7, line 6 of the specification is amended to "(φ2.0)J. -2=
Claims (1)
て、硬性パイプの外周面に凹凸を設けた連結端部に軟性
チ二−プの連結端部を外嵌挿入するとともにこの両者の
連結端部外周に連結用チューブを装着した後、当該連結
用チューブＶ収縮せしめることｋより前記硬性ノくイブ
と軟性チューブを連結するとと″Ｉｋ特徴とするチュー
ブの連結方法。 （２）軟性チューブ相互間を連結する方法にお〜・て、
軟性≠風−プめ各連結端部相互間を突合するとともｋこ
の突合する両者の連結端部の内側に、外周面に凹凸な設
けた連結用の硬性パイプを装着し、かつこの両者の連結
端部の外周に連結用チューブを外嵌挿入した後、当該連
結用チューブを収縮せしめることにより前記軟性チュー
ブ相互な連結することを特徴とするチューブの連結方法
。 （３）前記連結用チューブが熱収縮性チューブから成る
特許請求の範囲第１項または第２項記載のチューブ連結
方法。 （４）前記連結用チューブが゛自動収縮ゴムチューブか
ら成る特許請求の範囲第１項または第２項記載のチ二−
プの連結方法。 （５）軟性チューブと硬性パイプを連結して成る内視鏡
用チー−プにおいて、前記硬性バ馬プの、外周面に凹凸
を設けた連結端部に軟性チューブの連結端部を装着する
とともｋこの両者の連結端部を、その外周に装着した連
結用チューブによって圧縮することにより、前記軟性チ
ューブｄ連結端部の内周層を硬性パイプの外周面に投げ
た凹凸面に食い込ませて構＜６） 板性チュージの連
結端部相互間を連結して成る内視鏡用チューブにお（・
て、軟性チューブの連結端部を互いに突合するとともに
この両者の連結端部内側に、外周面に凹凸を設けた仮性
パイプを装着し、かつ両者の連結端部外側に装着した連
結用チューブによって両者の連結端部の内側層を硬性パ
イプの外周面に設けた凹凸に食い込ませて＃Ｉｔ成した
ことを特徴とする内視鏡用チューブ。 （７）前記連結用チューブは熱収縮性チューブから成る
特許請求の範囲第５項または第６項記載の内視鏡用チ二
−ブ。 （８） 前記連結用チューブは自動収縮ゴムチューブ
から成る特許請求の範囲第５項または第６項記載の内視
鏡用チューブ。 （９）前記連結用チューブは前記各連結端部の長さより
短かいチューブから成る特許請求の範囲第５項または第
６項記載の内視鏡用チューブ。 ＱＯ前記連結用チューブは軟性チューブの連結端を被覆
した状態にて一部して成る特許請求の範囲第６項記載の
内視鏡用チューブ。 αｌ）前記連虻用チ≧−ブはその一部が軟性チ二一プの
外周に至り、他の部分な軟性チューブの連結端部と硬性
パイプの連結端部との連結部分にて収縮せしめることに
より構成して成る特許請求の範囲第６項記載の内視鏡用
チューブ。[Claims] (1) In a method for connecting a hard pipe and a soft tube, the connecting end of a flexible tube is externally inserted into the connecting end of the hard pipe having an uneven outer circumferential surface, and this A method for connecting tubes, characterized in that the rigid knob and the flexible tube are connected by fitting the connecting tube around the outer periphery of the connecting ends of the two, and then contracting the connecting tube V. (2) In the method of connecting flexible tubes,
Softness≠Wind-Push When each connecting end is butted against each other, a hard connecting pipe with an uneven outer circumferential surface is attached to the inside of the connecting ends that are butted, and the connecting ends are connected. A method for connecting tubes, characterized in that the flexible tubes are connected to each other by fitting and inserting a connecting tube around the outer periphery of the end portion and then contracting the connecting tube. (3) The tube connection method according to claim 1 or 2, wherein the connection tube is made of a heat-shrinkable tube. (4) The chain according to claim 1 or 2, wherein the connecting tube is made of a self-shrinking rubber tube.
How to connect groups. (5) In an endoscope cheep made by connecting a flexible tube and a hard pipe, the connecting end of the flexible tube is attached to the connecting end of the hard bump, which has an uneven outer circumferential surface. (k) By compressing the connecting ends of the two with a connecting tube attached to the outer periphery, the inner peripheral layer of the connecting end of the flexible tube (d) is made to bite into the uneven surface cast on the outer peripheral surface of the rigid pipe. <6) For an endoscope tube formed by connecting the connecting ends of plate tubes (・
Then, the connecting ends of the flexible tubes are abutted against each other, and a temporary pipe with an uneven outer circumferential surface is attached to the inside of the connecting ends of both, and the connecting tube attached to the outside of the connecting ends of both connects the two. An endoscope tube, characterized in that the inner layer of the connecting end of the tube is formed into #It by digging into the irregularities provided on the outer peripheral surface of the rigid pipe. (7) The endoscope tube according to claim 5 or 6, wherein the connecting tube is made of a heat-shrinkable tube. (8) The endoscope tube according to claim 5 or 6, wherein the connecting tube is made of a self-shrinking rubber tube. (9) The endoscope tube according to claim 5 or 6, wherein the connecting tube is a tube shorter than the length of each connecting end. QO The endoscope tube according to claim 6, wherein the connecting tube partially covers the connecting end of a flexible tube. αl) A part of the above-mentioned connecting tube reaches the outer periphery of the flexible pipe, and the other part is contracted at the connecting part between the connecting end of the flexible tube and the connecting end of the hard pipe. An endoscopic tube according to claim 6, which is constructed by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57084524A JPS58200211A (en) | 1982-05-19 | 1982-05-19 | Tube for endoscope and its connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57084524A JPS58200211A (en) | 1982-05-19 | 1982-05-19 | Tube for endoscope and its connecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58200211A true JPS58200211A (en) | 1983-11-21 |
Family
ID=13833022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57084524A Pending JPS58200211A (en) | 1982-05-19 | 1982-05-19 | Tube for endoscope and its connecting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58200211A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61246716A (en) * | 1985-04-24 | 1986-11-04 | Asahi Optical Co Ltd | Protection tube of optical fiber bundle of endoscope |
| JPH01129828A (en) * | 1987-11-16 | 1989-05-23 | Olympus Optical Co Ltd | Wire guide structure of endoscope |
| JPH02109535A (en) * | 1988-10-19 | 1990-04-23 | Asahi Optical Co Ltd | Channel tube of endoscope |
| JPH0364603U (en) * | 1989-10-30 | 1991-06-24 | ||
| JP2006334271A (en) * | 2005-06-06 | 2006-12-14 | Pentax Corp | Fixing structure of the outer tube of the curved part of the endoscope |
-
1982
- 1982-05-19 JP JP57084524A patent/JPS58200211A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61246716A (en) * | 1985-04-24 | 1986-11-04 | Asahi Optical Co Ltd | Protection tube of optical fiber bundle of endoscope |
| JPH01129828A (en) * | 1987-11-16 | 1989-05-23 | Olympus Optical Co Ltd | Wire guide structure of endoscope |
| JPH02109535A (en) * | 1988-10-19 | 1990-04-23 | Asahi Optical Co Ltd | Channel tube of endoscope |
| JPH0364603U (en) * | 1989-10-30 | 1991-06-24 | ||
| JP2006334271A (en) * | 2005-06-06 | 2006-12-14 | Pentax Corp | Fixing structure of the outer tube of the curved part of the endoscope |
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