JP4682017B2 - 内視鏡用高周波切開具 - Google Patents
内視鏡用高周波切開具 Download PDFInfo
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- JP4682017B2 JP4682017B2 JP2005315863A JP2005315863A JP4682017B2 JP 4682017 B2 JP4682017 B2 JP 4682017B2 JP 2005315863 A JP2005315863 A JP 2005315863A JP 2005315863 A JP2005315863 A JP 2005315863A JP 4682017 B2 JP4682017 B2 JP 4682017B2
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- Prior art keywords
- tube
- proximal
- frequency
- tip
- distal
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 239000007924 injection Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 10
- 238000011282 treatment Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000002271 resection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000004877 mucosa Anatomy 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- PYVHTIWHNXTVPF-UHFFFAOYSA-N F.F.F.F.C=C Chemical compound F.F.F.F.C=C PYVHTIWHNXTVPF-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00184—Moving parts
- A61B2018/00202—Moving parts rotating
- A61B2018/00208—Moving parts rotating actively driven, e.g. by a motor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00482—Digestive system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/0091—Handpieces of the surgical instrument or device
- A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
- A61B2018/0094—Types of switches or controllers
- A61B2018/00952—Types of switches or controllers rotatable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/126—Generators therefor characterised by the output polarity bipolar
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
- A61B2018/1861—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument inserted into a body lumen or cavity, e.g. a catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
- A61M2025/0096—Catheter tip comprising a tool being laterally outward extensions or tools, e.g. hooks or fibres
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
図2は内視鏡用高周波切開具の先端部分を示しており、例えば四フッ化エチレン樹脂チューブ等からなる電気絶縁性の可撓性シース1の先端付近の側面部に高周波電極2が外面に露出して配置され、可撓性シース1内に挿通配置された導電性の操作ワイヤ3が高周波電極2に電気的及び機械的に接続されている。
1A 先端チューブ
1B 手元側チューブ
2 高周波電極
3 操作ワイヤ
4A,4B 透孔(送水噴出口)
5 シール環
6 送水噴出口
10 操作部
11 操作部本体
12 操作部材
13 接続端子
14 注水口
Claims (5)
- 電気絶縁性の可撓性シースが、先端部付近の先端チューブとそれより手元側部分の手元側チューブの一方の端部を他方の端部内に緩く差し込んで軸線周りに回転自在に接続して構成され、上記先端チューブの側面に露出して設けられた高周波電極に導電性の操作ワイヤが接続されてその操作ワイヤが上記先端チューブ内から上記手元側チューブ内にわたって挿通配置され、上記操作ワイヤを介して上記高周波電極に高周波電流が通電されて、上記操作ワイヤを上記手元側チューブの基端側から軸線周りに回転操作することにより、上記先端チューブが上記手元側チューブに対して軸線周りに回転して上記高周波電極の向きが変わるように構成された内視鏡用高周波切開具において、
上記手元側チューブ内に送水するための注水口を上記手元側チューブの基端側に設けて、上記手元側チューブ内に送水された水を噴出させるための送水噴出口を上記先端チューブの側面に設けると共に、上記先端チューブと上記手元側チューブとの接続部からの漏水を防止するためのシール環を上記先端チューブと上記手元側チューブのうちの外径が細い方のチューブの外面に取り付けて、
上記操作ワイヤを手元側から牽引操作すると、上記シール環が上記先端チューブと上記手元側チューブとの接続部に食い込んでその部分からの漏水が防止され、上記操作ワイヤを手元側から押し込み操作すると、上記先端チューブと上記手元側チューブとの接続部から上記シール環が離れ、上記シール環の軸線周りの回転動作に追従して上記先端チューブが回転して上記高周波電極の向きを変えることができる状態になる、ようにしたことを特徴とする内視鏡用高周波切開具。 - 上記シール環が弾力性のある熱収縮チューブにより形成されて、上記先端チューブと上記手元側チューブのうちの外径が細い方のチューブの外面に収縮固定されている請求項1記載の内視鏡用高周波切開具。
- 上記高周波電極が、上記先端チューブの側面部に長手方向に間隔をあけて形成された一対の透孔に通されて上記一対の透孔の間で上記先端チューブの外面に露出する導電性の線状の電極である請求項1又は2記載の内視鏡用高周波切開具。
- 上記送水噴出口が、上記線状の電極が通された一対の透孔の少なくとも一方により兼用されている請求項3記載の内視鏡用高周波切開具。
- 上記送水噴出口が、上記線状の電極が通された一対の透孔とは別に上記先端チューブの側面に開口形成されている請求項3記載の内視鏡用高周波切開具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005315863A JP4682017B2 (ja) | 2005-10-31 | 2005-10-31 | 内視鏡用高周波切開具 |
US11/589,040 US7896876B2 (en) | 2005-10-31 | 2006-10-30 | High frequency incision instrument for endoscope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005315863A JP4682017B2 (ja) | 2005-10-31 | 2005-10-31 | 内視鏡用高周波切開具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007117532A JP2007117532A (ja) | 2007-05-17 |
JP4682017B2 true JP4682017B2 (ja) | 2011-05-11 |
Family
ID=37997477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005315863A Active JP4682017B2 (ja) | 2005-10-31 | 2005-10-31 | 内視鏡用高周波切開具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7896876B2 (ja) |
JP (1) | JP4682017B2 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4989291B2 (ja) | 2007-04-26 | 2012-08-01 | オリンパスメディカルシステムズ株式会社 | 内視鏡洗浄消毒装置 |
US9345539B2 (en) * | 2007-08-17 | 2016-05-24 | Olympus Corporation | Treatment device |
JP2009090003A (ja) * | 2007-10-11 | 2009-04-30 | Fujinon Corp | 内視鏡用高周波処置具 |
JP2009247696A (ja) | 2008-04-08 | 2009-10-29 | Olympus Medical Systems Corp | 高周波処置具 |
JP5145113B2 (ja) * | 2008-05-09 | 2013-02-13 | Hoya株式会社 | 内視鏡用処置具の操作部 |
JP5943688B2 (ja) * | 2012-04-16 | 2016-07-05 | Hoya株式会社 | 内視鏡用高周波処置具 |
WO2014158513A1 (en) * | 2013-03-13 | 2014-10-02 | Cook Medical Technologies Llc | Rotation mechanism for bipolar and monopolar devices |
GB2515493A (en) * | 2013-06-24 | 2014-12-31 | Gyrus Medical Ltd | Electrosurgical instrument |
EP3154456B1 (de) * | 2014-06-10 | 2020-12-30 | Kliniken der Stadt Köln gGmbH | Papillotom für die perkutane endoskopische gastrostomie |
DE102015102542A1 (de) | 2015-02-23 | 2016-08-25 | medwork GmbH | Endoskopische Schneideinrichtung zum Freischneiden einer mit einer Halteplatte versehenen Sonde |
US11871977B2 (en) | 2016-05-19 | 2024-01-16 | Csa Medical, Inc. | Catheter extension control |
WO2018026985A1 (en) * | 2016-08-04 | 2018-02-08 | Csa Medical, Inc. | Rotational cryogen delivery device |
CN112449585B (zh) * | 2018-07-23 | 2024-08-13 | 富士胶片株式会社 | 内窥镜处置器具 |
WO2020021923A1 (ja) * | 2018-07-23 | 2020-01-30 | 富士フイルム株式会社 | 内視鏡処置具 |
GB202208971D0 (en) * | 2022-06-17 | 2022-08-10 | Creo Medical Ltd | Interface joint |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05176940A (ja) * | 1991-12-26 | 1993-07-20 | Olympus Optical Co Ltd | 内視鏡用高周波ナイフ |
JPH05192348A (ja) * | 1991-03-14 | 1993-08-03 | Olympus Optical Co Ltd | 内視鏡用処置具 |
JPH0751288A (ja) * | 1990-02-02 | 1995-02-28 | Everest Medical Corp | 括約筋切開術用二極電気外科器械 |
JP2005052408A (ja) * | 2003-08-05 | 2005-03-03 | Olympus Corp | 内視鏡用処置具 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS617694A (ja) | 1984-06-21 | 1986-01-14 | イビデン株式会社 | 複合プリント配線板 |
US5919188A (en) * | 1997-02-04 | 1999-07-06 | Medtronic, Inc. | Linear ablation catheter |
JP4269509B2 (ja) | 1999-12-28 | 2009-05-27 | 日本ゼオン株式会社 | 高周波切開装置 |
US6994677B1 (en) * | 2003-02-25 | 2006-02-07 | Artemis Medical, Inc. | Tissue localizing and separating assembly |
US6827718B2 (en) * | 2001-08-14 | 2004-12-07 | Scimed Life Systems, Inc. | Method of and apparatus for positioning and maintaining the position of endoscopic instruments |
JP2004152632A (ja) * | 2002-10-30 | 2004-05-27 | Sanyo Electric Co Ltd | リチウム二次電池 |
JP4275004B2 (ja) * | 2004-05-24 | 2009-06-10 | Hoya株式会社 | 内視鏡用高周波切断具 |
JP4681897B2 (ja) | 2005-02-02 | 2011-05-11 | Hoya株式会社 | 内視鏡用高周波処置具 |
JP4745673B2 (ja) | 2005-02-02 | 2011-08-10 | Hoya株式会社 | 内視鏡用高周波切開具 |
-
2005
- 2005-10-31 JP JP2005315863A patent/JP4682017B2/ja active Active
-
2006
- 2006-10-30 US US11/589,040 patent/US7896876B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0751288A (ja) * | 1990-02-02 | 1995-02-28 | Everest Medical Corp | 括約筋切開術用二極電気外科器械 |
JPH05192348A (ja) * | 1991-03-14 | 1993-08-03 | Olympus Optical Co Ltd | 内視鏡用処置具 |
JPH05176940A (ja) * | 1991-12-26 | 1993-07-20 | Olympus Optical Co Ltd | 内視鏡用高周波ナイフ |
JP2005052408A (ja) * | 2003-08-05 | 2005-03-03 | Olympus Corp | 内視鏡用処置具 |
Also Published As
Publication number | Publication date |
---|---|
JP2007117532A (ja) | 2007-05-17 |
US20070100337A1 (en) | 2007-05-03 |
US7896876B2 (en) | 2011-03-01 |
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