JPH0255909U - - Google Patents
Info
- Publication number
- JPH0255909U JPH0255909U JP13645688U JP13645688U JPH0255909U JP H0255909 U JPH0255909 U JP H0255909U JP 13645688 U JP13645688 U JP 13645688U JP 13645688 U JP13645688 U JP 13645688U JP H0255909 U JPH0255909 U JP H0255909U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- illumination optical
- observation optical
- guide fiber
- end surface
- 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
- 239000000835 fiber Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 6
- 238000005286 illumination Methods 0.000 claims 3
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
Description
第１図は本考案の一実施例を示す挿入部の先端
付近の側断面図、第２図は第１図中Ａ―Ａ線に沿
う断面図、第３図は従来の内視鏡の挿入部の先端
付近の側断面図、第４図は第３図中Ｂ―Ｂ線に沿
う断面図である。
１…挿入部、２…外装チユーブ、３…イメージ
ガイドフアイバ３、４…ライトガイドフアイバ、
５…硬質管、６…ライトガイド枠、７…対物レン
ズ。
Fig. 1 is a side sectional view of the vicinity of the tip of the insertion section showing an embodiment of the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, and Fig. 3 is a conventional insertion of an endoscope. FIG. 4 is a sectional view taken along line BB in FIG. 3. DESCRIPTION OF SYMBOLS 1... Insertion part, 2... Exterior tube, 3... Image guide fiber 3, 4... Light guide fiber,
5...Hard tube, 6...Light guide frame, 7...Objective lens.
Claims (1)
てなる観察光学系と、ライトガイドフアイバから
なる照明光学系と、この観察光学系と照明光学系
との両先端部の部位に被嵌する硬質管と、この硬
質管の後端面に先端面を連設して上記観察光学系
と照明光学系の基端側部分を覆う外装チユーブと
を具備したことを特徴とする内視鏡。 an observation optical system consisting of an objective lens connected to an image guide fiber; an illumination optical system consisting of a light guide fiber; a hard tube fitted into the distal ends of the observation optical system and the illumination optical system; 1. An endoscope comprising: an exterior tube having a distal end surface connected to a rear end surface of a hard tube and covering a base end portion of the observation optical system and the illumination optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13645688U JPH0255909U (en) | 1988-10-19 | 1988-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13645688U JPH0255909U (en) | 1988-10-19 | 1988-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255909U true JPH0255909U (en) | 1990-04-23 |
Family
ID=31396983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13645688U Pending JPH0255909U (en) | 1988-10-19 | 1988-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255909U (en) |
-
1988
- 1988-10-19 JP JP13645688U patent/JPH0255909U/ja active Pending