JP5022841B2 - 内視鏡用高周波処置具 - Google Patents
内視鏡用高周波処置具 Download PDFInfo
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- JP5022841B2 JP5022841B2 JP2007238927A JP2007238927A JP5022841B2 JP 5022841 B2 JP5022841 B2 JP 5022841B2 JP 2007238927 A JP2007238927 A JP 2007238927A JP 2007238927 A JP2007238927 A JP 2007238927A JP 5022841 B2 JP5022841 B2 JP 5022841B2
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- 238000011282 treatment Methods 0.000 title claims description 23
- 238000005452 bending Methods 0.000 claims description 43
- 230000037431 insertion Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 101100008047 Caenorhabditis elegans cut-3 gene Proteins 0.000 description 6
- 238000010292 electrical insulation Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 101100008050 Caenorhabditis elegans cut-6 gene Proteins 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000012277 endoscopic treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Description
図1は内視鏡用高周波処置具の全体構成を示し、図2はその先端部分を示しており、図示されていない内視鏡の処置具挿通チャンネルに挿脱自在な可撓性外套管1は、例えば四フッ化エチレン樹脂チューブ等のような電気絶縁性の可撓性チューブ等で形成されている。
可撓性外套管1の基端が連結された操作部本体21の後端部には固定指掛け22が形成されて、操作部本体21にスライド自在に支持された可動指掛け23に操作ワイヤ7の基端が連結固定されている。
2 湾曲部
3 切り込み
6 棒状電極
7 操作ワイヤ
8 操作用可撓性チューブ
20 操作部
25 湾曲操作環
Claims (4)
- 内視鏡の処置具挿通チャンネルに挿脱自在な電気絶縁性の可撓性外套管内に挿通配置された導電性の操作ワイヤが、上記可撓性外套管の先端から前方に向かって進退自在に突出配置された棒状電極に接続された構成を有する内視鏡用高周波処置具において、
外力により屈曲自在な湾曲部を上記可撓性外套管の先端近傍部に形成すると共に、導電性の上記操作ワイヤを囲む状態に上記可撓性外套管内に挿通配置された電気絶縁性の操作用可撓性チューブの先端を上記湾曲部の先端付近に連結して、上記操作用可撓性チューブを基端側から操作することにより上記湾曲部が屈曲するようにしたことを特徴とする内視鏡用高周波処置具。 - 上記湾曲部が、上記可撓性外套管に側方から形成された複数の切り込みを備えている請求項1記載の内視鏡用高周波処置具。
- 上記操作用可撓性チューブを基端側から軸線方向に押し引き操作することにより上記湾曲部が屈曲する請求項2記載の内視鏡用高周波処置具。
- 上記操作用可撓性チューブが上記可撓性外套管の軸線位置より上記切り込み側に偏位した位置に配置されている請求項3記載の内視鏡用高周波処置具。
Priority Applications (1)
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JP2007238927A JP5022841B2 (ja) | 2007-09-14 | 2007-09-14 | 内視鏡用高周波処置具 |
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JP2007238927A JP5022841B2 (ja) | 2007-09-14 | 2007-09-14 | 内視鏡用高周波処置具 |
Publications (2)
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JP2009066252A JP2009066252A (ja) | 2009-04-02 |
JP5022841B2 true JP5022841B2 (ja) | 2012-09-12 |
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JP2007238927A Active JP5022841B2 (ja) | 2007-09-14 | 2007-09-14 | 内視鏡用高周波処置具 |
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US9498600B2 (en) | 2009-07-01 | 2016-11-22 | Avinger, Inc. | Atherectomy catheter with laterally-displaceable tip |
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WO2010129075A1 (en) | 2009-04-28 | 2010-11-11 | Avinger, Inc. | Guidewire support catheter |
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WO2014039096A1 (en) | 2012-09-06 | 2014-03-13 | Avinger, Inc. | Re-entry stylet for catheter |
US11382653B2 (en) | 2010-07-01 | 2022-07-12 | Avinger, Inc. | Atherectomy catheter |
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WO2014039099A1 (en) | 2012-09-06 | 2014-03-13 | Avinger, Inc. | Balloon atherectomy catheters with imaging |
WO2012145133A2 (en) | 2011-03-28 | 2012-10-26 | Avinger, Inc. | Occlusion-crossing devices, imaging, and atherectomy devices |
US9949754B2 (en) | 2011-03-28 | 2018-04-24 | Avinger, Inc. | Occlusion-crossing devices |
EP3653151A1 (en) | 2011-10-17 | 2020-05-20 | Avinger, Inc. | Atherectomy catheters and non-contact actuation mechanism for catheters |
US9345406B2 (en) | 2011-11-11 | 2016-05-24 | Avinger, Inc. | Occlusion-crossing devices, atherectomy devices, and imaging |
EP2849636B1 (en) | 2012-05-14 | 2020-04-22 | Avinger, Inc. | Optical coherence tomography with graded index fiber for biological imaging |
WO2013172970A1 (en) | 2012-05-14 | 2013-11-21 | Avinger, Inc. | Atherectomy catheters with imaging |
US9345398B2 (en) | 2012-05-14 | 2016-05-24 | Avinger, Inc. | Atherectomy catheter drive assemblies |
US11284916B2 (en) | 2012-09-06 | 2022-03-29 | Avinger, Inc. | Atherectomy catheters and occlusion crossing devices |
US9498247B2 (en) | 2014-02-06 | 2016-11-22 | Avinger, Inc. | Atherectomy catheters and occlusion crossing devices |
US9854979B2 (en) | 2013-03-15 | 2018-01-02 | Avinger, Inc. | Chronic total occlusion crossing devices with imaging |
JP6291025B2 (ja) | 2013-03-15 | 2018-03-14 | アビンガー・インコーポレイテッドAvinger, Inc. | 光学圧力センサアセンブリ |
WO2014142954A1 (en) | 2013-03-15 | 2014-09-18 | Avinger, Inc. | Tissue collection device for catheter |
US10130386B2 (en) | 2013-07-08 | 2018-11-20 | Avinger, Inc. | Identification of elastic lamina to guide interventional therapy |
MX2016010141A (es) | 2014-02-06 | 2017-04-06 | Avinger Inc | Cateteres de aterectomia y dispositivos de cruce de oclusion. |
CN107106190B (zh) | 2014-07-08 | 2020-02-28 | 阿维格公司 | 高速慢性全闭塞部横穿装置 |
EP3322338A4 (en) | 2015-07-13 | 2019-03-13 | Avinger, Inc. | MICRO-MOLDED ANAMORPHOSING REFLECTIVE LENS FOR IMAGERY-GUIDED DIAGNOSTIC / THERAPEUTIC CATHETERS |
WO2017132247A1 (en) | 2016-01-25 | 2017-08-03 | Avinger, Inc. | Oct imaging catheter with lag correction |
WO2017173370A1 (en) | 2016-04-01 | 2017-10-05 | Avinger, Inc. | Atherectomy catheter with serrated cutter |
EP3463123A4 (en) | 2016-06-03 | 2020-01-08 | Avinger, Inc. | CATHETER DEVICE WITH DETACHABLE DISTAL END |
WO2018006041A1 (en) | 2016-06-30 | 2018-01-04 | Avinger, Inc. | Atherectomy catheter with shapeable distal tip |
JP7250639B2 (ja) * | 2019-07-31 | 2023-04-03 | 真 小林 | 内視鏡用高周波ナイフ装置 |
JP2022553223A (ja) | 2019-10-18 | 2022-12-22 | アビンガー・インコーポレイテッド | 閉塞横断装置 |
JP7439550B2 (ja) * | 2020-02-05 | 2024-02-28 | 住友ベークライト株式会社 | 内視鏡用針状メス |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0667377B2 (ja) * | 1985-05-15 | 1994-08-31 | オリンパス光学工業株式会社 | 内視鏡湾曲操作装置 |
JP2005204773A (ja) * | 2004-01-21 | 2005-08-04 | Pentax Corp | 内視鏡用高周波切開具 |
JP4475991B2 (ja) * | 2004-03-17 | 2010-06-09 | Hoya株式会社 | 内視鏡用高周波切開具 |
JP4772386B2 (ja) * | 2005-06-07 | 2011-09-14 | オリンパスメディカルシステムズ株式会社 | 粘膜下層剥離処置具セット及び粘膜下層剥離処置具システム |
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