JPH0258406U - - Google Patents
Info
- Publication number
- JPH0258406U JPH0258406U JP13715788U JP13715788U JPH0258406U JP H0258406 U JPH0258406 U JP H0258406U JP 13715788 U JP13715788 U JP 13715788U JP 13715788 U JP13715788 U JP 13715788U JP H0258406 U JPH0258406 U JP H0258406U
- Authority
- JP
- Japan
- Prior art keywords
- channel tube
- circumferential surface
- curved
- endoscope
- harder
- 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
- 230000037431 insertion Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims 1
Description
第１図ないし第３図は本考案の第１実施例に係
り、第１図はチヤンネルチユーブの断面図、第２
図は挿入部の先端側の断面図、第３図は内視鏡の
側面図、第４図は本考案の第２実施例におけるチ
ヤンネルチユーブ、第５図は本考案が適用される
電子内視鏡の挿入部の先端部の断面図、第６図は
従来の電子内視鏡の挿入部の先端部の断面図、第
７図は従来の内視鏡の先端部の一例を示す断面図
である。
１…内視鏡、２…挿入部、９…挿入管、１０…
先端湾曲部、３０…チヤンネルチユーブ、３１…
湾曲部側チヤンネルチユーブ、３２…挿入管側チ
ヤンネルチユーブ、３３…つなぎパイプ。
1 to 3 relate to the first embodiment of the present invention, in which FIG. 1 is a sectional view of the channel tube, and FIG.
The figure is a sectional view of the distal end of the insertion section, Figure 3 is a side view of the endoscope, Figure 4 is a channel tube in the second embodiment of the present invention, and Figure 5 is an electronic endoscope to which the present invention is applied. FIG. 6 is a sectional view of the distal end of the insertion section of a mirror, FIG. 6 is a sectional view of the distal end of the insertion section of a conventional electronic endoscope, and FIG. 7 is a sectional view showing an example of the distal end of a conventional endoscope. be. 1... Endoscope, 2... Insertion section, 9... Insertion tube, 10...
Curved end portion, 30...Channel tube, 31...
Channel tube on curved part side, 32...Channel tube on insertion tube side, 33...Connection pipe.
Claims (1)
処置具挿通用のチヤンネルチユーブが挿通された
内視鏡において、前記チヤンネルチユーブは、前
記湾曲部内における部分は、他の部分の少なくと
も一部に比べて、少なくとも内周面と外周面の一
方が硬く、且つ、前記他の部分の少なくとも一部
は、柔軟性を有することを特徴とする内視鏡。 In the insertion part having a curved part capable of bending movement,
In an endoscope into which a channel tube for insertion of a treatment instrument is inserted, at least one of an inner circumferential surface and an outer circumferential surface of the channel tube is harder at a portion within the curved portion than at least a portion of the other portion. , and at least a portion of the other portion is flexible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13715788U JPH0258406U (en) | 1988-10-20 | 1988-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13715788U JPH0258406U (en) | 1988-10-20 | 1988-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0258406U true JPH0258406U (en) | 1990-04-26 |
Family
ID=31398328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13715788U Pending JPH0258406U (en) | 1988-10-20 | 1988-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0258406U (en) |
-
1988
- 1988-10-20 JP JP13715788U patent/JPH0258406U/ja active Pending