JP2010178766A - 処置用内視鏡 - Google Patents
処置用内視鏡 Download PDFInfo
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- JP2010178766A JP2010178766A JP2009022106A JP2009022106A JP2010178766A JP 2010178766 A JP2010178766 A JP 2010178766A JP 2009022106 A JP2009022106 A JP 2009022106A JP 2009022106 A JP2009022106 A JP 2009022106A JP 2010178766 A JP2010178766 A JP 2010178766A
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- 238000011282 treatment Methods 0.000 title claims abstract description 93
- 238000005452 bending Methods 0.000 claims abstract description 49
- 238000003780 insertion Methods 0.000 claims abstract description 33
- 230000037431 insertion Effects 0.000 claims abstract description 33
- 238000002271 resection Methods 0.000 abstract description 13
- 210000004204 blood vessel Anatomy 0.000 abstract description 6
- 210000002784 stomach Anatomy 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000005286 illumination Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000002224 dissection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
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Abstract
【解決手段】処置具挿通チャンネル6の出口である処置具突出口43が湾曲部3の先端側又は基端側の少なくとも一方に配置されると共に、処置具突出口43から突き出された高周波処置具400の高周波電極401の先端402を係脱自在に係合させるための電極係合部71が、湾曲部3の先端側又は基端側であって処置具突出口43とは反対側の位置に設けられている。
【選択図】 図1
Description
図2は、本発明の第1の実施例に係る処置用内視鏡の全体構成を示しており、可撓性の挿入部1の最先端には、いわゆる側方視型用の先端部本体2が設けられている。
2 先端部本体
3 湾曲部
4 中間部本体
5 第2湾曲部
6 処置具挿通チャンネル
21 側方視用観察窓
23 処置具突出口
41 前方斜視用観察窓
43 処置具突出口
71 電極係合部
71a 括れ部
72 電極係合部
400 高周波スネア(高周波処置具)
401 ワイヤ電極(高周波電極)
402 ワイヤループ(先端)
Claims (10)
- 遠隔操作により屈曲自在な湾曲部が挿入部の先端付近に設けられて、上記湾曲部の先端側又は基端側の少なくとも一方に観察窓が配置され、処置具を挿通するための処置具挿通チャンネルが挿入部内に挿通配置された処置用内視鏡において、
上記処置具挿通チャンネルの出口である処置具突出口が上記湾曲部の先端側又は基端側の少なくとも一方に配置されると共に、上記処置具突出口から突き出された高周波処置具の高周波電極の先端を係脱自在に係合させるための電極係合部が、上記湾曲部の先端側又は基端側であって上記処置具突出口とは反対側の位置に設けられていることを特徴とする処置用内視鏡。 - 上記高周波電極の先端にワイヤループが形成されていて、上記電極係合部は、上記ワイヤループが係脱自在な突起状に形成されている請求項1記載の処置用内視鏡。
- 上記電極係合部が、上記挿入部の最先端部から前方に向かって突出配置されている請求項2記載の処置用内視鏡。
- 上記電極係合部が、上記湾曲部の後端に隣接した部位の側面に配置されている請求項2記載の処置用内視鏡。
- 上記観察窓が、上記湾曲部の先端側と基端側の双方に設けられている請求項1ないし4のいずれかの項に記載の処置用内視鏡。
- 上記湾曲部の先端側に、上記観察窓が側方に向けて設けられている請求項5記載の処置用内視鏡。
- 上記湾曲部の先端側に、上記観察窓が側方と前方の二方向に向けて設けられている請求項5記載の処置用内視鏡。
- 上記湾曲部の基端側に、上記観察窓が斜め前方に向けて設けられている請求項5記載の処置用内視鏡。
- 上記挿入部の先端側であって上記湾曲部より基端寄りの位置に、遠隔操作により屈曲自在な第2湾曲部が設けられている請求項1ないし8のいずれかの項に記載の処置用内視鏡。
- 上記湾曲部が上記第2湾曲部より小さな曲率半径で屈曲する請求項9記載の処置用内視鏡。
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JP2009022106A JP5235706B2 (ja) | 2009-02-03 | 2009-02-03 | 処置用内視鏡 |
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JP2009022106A JP5235706B2 (ja) | 2009-02-03 | 2009-02-03 | 処置用内視鏡 |
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JP5235706B2 JP5235706B2 (ja) | 2013-07-10 |
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JP2010178934A (ja) * | 2009-02-06 | 2010-08-19 | Hoya Corp | 処置用内視鏡 |
JP2012081055A (ja) * | 2010-10-12 | 2012-04-26 | River Seiko:Kk | 内視鏡用高周波剥離ナイフ装置 |
US20120232340A1 (en) * | 2011-03-07 | 2012-09-13 | Peer Medical Ltd. | Multi camera endoscope having a side service channel |
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WO2015056624A1 (ja) | 2013-10-15 | 2015-04-23 | オリンパスメディカルシステムズ株式会社 | エネルギ処置具 |
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WO2015104901A1 (ja) | 2014-01-10 | 2015-07-16 | オリンパス株式会社 | 膣壁切開具 |
US9101268B2 (en) | 2009-06-18 | 2015-08-11 | Endochoice Innovation Center Ltd. | Multi-camera endoscope |
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US9949623B2 (en) | 2013-05-17 | 2018-04-24 | Endochoice, Inc. | Endoscope control unit with braking system |
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