JPS6256002U - - Google Patents
Info
- Publication number
- JPS6256002U JPS6256002U JP14912985U JP14912985U JPS6256002U JP S6256002 U JPS6256002 U JP S6256002U JP 14912985 U JP14912985 U JP 14912985U JP 14912985 U JP14912985 U JP 14912985U JP S6256002 U JPS6256002 U JP S6256002U
- Authority
- JP
- Japan
- Prior art keywords
- peripheral wall
- concave
- curved tube
- endoscope according
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 description 4
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
第１図ないし第３図はこの考案の第１の実施例
を示し、第１図は関節金具を、変形部と共に示す
斜視図、第２図はその関節金具で構成された彎曲
管部を示す断面図、第３図はその彎曲管部を採用
した内視鏡を示す側面図、第４図はこの考案の第
２の実施例の要部を示す斜視図、第５図はこの考
案の第３の実施例の要部を示す斜視図、第６図は
この考案の第４の実施例の要部を示す斜視図、第
７図はこの考案の第５の実施例の要部を示す斜視
図、第８図はこの考案の第６の実施例の要部を示
す斜視図、第９図は従来の彎曲管を構成する関節
金具を示す斜視図、第１０図はその関節金具の肉
厚を内側へ厚くしたときの問題点を示す断面図、
第１１図は関節金具の肉厚を外側へ厚くしたとき
の問題点を示す断面図である。
９……軸着部、１０……関節金具、１１……連
結ピン、１４……変形部。
1 to 3 show a first embodiment of this invention, FIG. 1 is a perspective view showing a joint fitting together with a deformed part, and FIG. 2 shows a curved pipe section made up of the joint fitting. 3 is a side view showing an endoscope employing the curved tube portion, FIG. 4 is a perspective view showing the main parts of the second embodiment of this invention, and FIG. 6 is a perspective view showing the main parts of the fourth embodiment of this invention; FIG. 7 is a perspective view showing the main parts of the fifth embodiment of this invention. 8 is a perspective view showing the main parts of the sixth embodiment of this invention, FIG. 9 is a perspective view showing the joint metal fittings constituting the conventional curved pipe, and FIG. 10 is the wall thickness of the joint metal fittings. A cross-sectional view showing the problems when thickening inward.
FIG. 11 is a sectional view showing a problem when the wall thickness of the joint metal fitting is increased outwardly. 9... Pivot attachment part, 10... Joint metal fittings, 11... Connection pin, 14... Deformation part.
補正 昭６１．２．５
実用新案登録請求の範囲を次のように補正する
。Amendment February 5, 1981 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
(1) 端部に軸着部を有する略環状の関節金具を
複数個、軸方向に配し、隣接する関節金具の軸着
部を互いに回動自在に連結してなる内視鏡の彎曲
管において、前記関節金具の周壁にその周方向沿
いに、剛性を高めるための塑性変形よりなる凹形
又は凸形の変形部を設けたことを特徴とする内視
鏡の彎曲管。
(2) 凹形又は凸形の変形部は、軸着部間の周壁
に設けられていることを特徴とする実用新案登録
請求の範囲第１項に記載の内視鏡の彎曲管。
(3) 凹形又は凸形の変形部は、軸着部の近傍の
周壁に設けられていることを特徴とする実用新案
登録請求の範囲第１項に記載の内視鏡の彎曲管。
(4) 凹形又は凸形の変形部は、関節金具の周壁
全周に設けられていることを特徴とする実用新案
登録請求の範囲第１項に記載の内視鏡の彎曲管。[Claims for Utility Model Registration] (1) A plurality of approximately annular joint fittings each having a pivoting portion at the end are arranged in the axial direction, and the pivoting portions of adjacent joint fittings are rotatably connected to each other. A curved tube of an endoscope, characterized in that a concave or convex deformation part formed by plastic deformation is provided on the peripheral wall of the joint fitting along its circumferential direction to increase rigidity. curved pipe. (2) The curved tube of an endoscope according to claim 1, wherein the concave or convex deformation portion is provided on the peripheral wall between the shaft attachment portions. (3) The curved tube of an endoscope according to claim 1, wherein the concave or convex deformation portion is provided on the peripheral wall near the shaft attachment portion. (4) The curved tube of an endoscope according to claim 1, wherein the concave or convex deformation portion is provided on the entire circumference of the peripheral wall of the joint fitting.
Claims (1)
複数個、軸方向に配し、隣接する関節金具の軸着
部を互いに回動自在に連結してなる内視鏡の彎曲
管において、前記関節金具の周壁にその周方向沿
いに、剛性を高めるための塑性変形よりなる凹形
又は凸形の変形部を設けたことを特徴とする内視
鏡の彎曲管。 (2) 凹形の変形部は、軸着部間の周壁に設けら
れていることを特徴とする実用新案登録請求の範
囲第１項に記載の内視鏡の彎曲管。 (3) 凹形の変形部は、軸着部の近傍の周壁に設
けられていることを特徴とする実用新案登録請求
の範囲第１項に記載の内視鏡の彎曲管。 (4) 凹形の変形部は、関節金具の周壁全周に設
けられていることを特徴とする実用新案登録請求
の範囲第１項に記載の内視鏡の彎曲管。[Claims for Utility Model Registration] (1) A plurality of approximately annular joint fittings each having a pivoting portion at the end are arranged in the axial direction, and the pivoting portions of adjacent joint fittings are rotatably connected to each other. A curved tube of an endoscope, characterized in that a concave or convex deformation part formed by plastic deformation is provided on the peripheral wall of the joint fitting along its circumferential direction to increase rigidity. curved pipe. (2) The curved tube of an endoscope according to claim 1, wherein the concave deformation portion is provided on the peripheral wall between the shaft attachment portions. (3) The curved tube of an endoscope according to claim 1, wherein the concave deformed portion is provided on the peripheral wall near the shaft attachment portion. (4) The curved tube of an endoscope according to claim 1, wherein the concave deformed portion is provided on the entire circumference of the peripheral wall of the joint fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985149129U JPH0315045Y2 (en) | 1985-09-30 | 1985-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985149129U JPH0315045Y2 (en) | 1985-09-30 | 1985-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6256002U true JPS6256002U (en) | 1987-04-07 |
| JPH0315045Y2 JPH0315045Y2 (en) | 1991-04-03 |
Family
ID=31064045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985149129U Expired JPH0315045Y2 (en) | 1985-09-30 | 1985-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0315045Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01120803U (en) * | 1988-02-08 | 1989-08-16 | ||
| JP2009213602A (en) * | 2008-03-10 | 2009-09-24 | Fujinon Corp | Insertion portion of endoscope |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575301U (en) * | 1978-11-20 | 1980-05-24 |
-
1985
- 1985-09-30 JP JP1985149129U patent/JPH0315045Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575301U (en) * | 1978-11-20 | 1980-05-24 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01120803U (en) * | 1988-02-08 | 1989-08-16 | ||
| JP2009213602A (en) * | 2008-03-10 | 2009-09-24 | Fujinon Corp | Insertion portion of endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0315045Y2 (en) | 1991-04-03 |
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