JP6121145B2 - 内視鏡 - Google Patents
内視鏡 Download PDFInfo
- Publication number
- JP6121145B2 JP6121145B2 JP2012255053A JP2012255053A JP6121145B2 JP 6121145 B2 JP6121145 B2 JP 6121145B2 JP 2012255053 A JP2012255053 A JP 2012255053A JP 2012255053 A JP2012255053 A JP 2012255053A JP 6121145 B2 JP6121145 B2 JP 6121145B2
- Authority
- JP
- Japan
- Prior art keywords
- endoscope
- light guide
- light
- peripheral surface
- guide fiber
- 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
- 230000003287 optical effect Effects 0.000 claims description 47
- 239000000835 fiber Substances 0.000 claims description 44
- 230000002093 peripheral effect Effects 0.000 claims description 41
- 238000003780 insertion Methods 0.000 claims description 27
- 230000037431 insertion Effects 0.000 claims description 27
- 238000005286 illumination Methods 0.000 claims description 22
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 239000006059 cover glass Substances 0.000 description 31
- 238000005253 cladding Methods 0.000 description 22
- 238000003384 imaging method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000005501 benzalkonium group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Description
12 外皮部
14 観察光学系
16 照明光学系
30 32 ライトガイドファイバ
30a 32a 円弧状辺
30b 32b 弦状辺
34 134 カバーガラス(カバー部材)
36 保持筒
36a 外筒
36b 内側支持環
36c 貫通穴
36d 36e ライトガイド挿入穴
38 コア
38a 138a 円環状内周面
38b 138b 円環状外周面
38c 138c 前端面
38d 138d 後端面
40 140 内側クラッド(囲繞壁部)
40a 140a 反射面
42 外側クラッド(囲繞壁部)
42a 反射面
42b 138e 段部
44 144 押さえ枠
44a 144a 抜止部
Claims (4)
- 内視鏡の挿入部内に配設され、先端の出射端面から照明光を出射させるライトガイドファイバ;及び
上記ライトガイドファイバの出射端面を覆って上記挿入部の先端に取り付けられ、上記ライトガイドファイバから出射する光を観察光学系の視野に配光させるカバー部材;
を備え、
上記カバー部材は、上記観察光学系を囲む円環状をなす透明なガラス製のコアと、該コアの内周面側と外周面側に形成され光を全反射させる反射面とを有することを特徴とする内視鏡。 - 請求項1記載の内視鏡において、上記カバー部材は、上記コアの周面を覆って取り付けられる円環状の囲繞壁部を有し、上記囲繞壁部によって上記反射面が形成される内視鏡。
- 請求項1または2記載の内視鏡において、上記カバー部材の外周面を覆って上記挿入部先端に保持させる押さえ枠を有する内視鏡。
- 請求項3記載の内視鏡において、上記押さえ枠が透明な樹脂からなる内視鏡。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012255053A JP6121145B2 (ja) | 2012-11-21 | 2012-11-21 | 内視鏡 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012255053A JP6121145B2 (ja) | 2012-11-21 | 2012-11-21 | 内視鏡 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014100376A JP2014100376A (ja) | 2014-06-05 |
JP6121145B2 true JP6121145B2 (ja) | 2017-04-26 |
Family
ID=51023494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012255053A Active JP6121145B2 (ja) | 2012-11-21 | 2012-11-21 | 内視鏡 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6121145B2 (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1176148A (ja) * | 1997-09-12 | 1999-03-23 | Shimadzu Corp | 内視鏡 |
JP2008206624A (ja) * | 2007-02-26 | 2008-09-11 | Hoya Corp | 極細径電子内視鏡の先端部 |
-
2012
- 2012-11-21 JP JP2012255053A patent/JP6121145B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2014100376A (ja) | 2014-06-05 |
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