JP6691720B2 - 手術用凝固機能付き吸引嘴管 - Google Patents
手術用凝固機能付き吸引嘴管 Download PDFInfo
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- JP6691720B2 JP6691720B2 JP2018129556A JP2018129556A JP6691720B2 JP 6691720 B2 JP6691720 B2 JP 6691720B2 JP 2018129556 A JP2018129556 A JP 2018129556A JP 2018129556 A JP2018129556 A JP 2018129556A JP 6691720 B2 JP6691720 B2 JP 6691720B2
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- suction
- tube
- electrode
- coagulation
- beak
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- 230000015271 coagulation Effects 0.000 title claims description 104
- 238000005345 coagulation Methods 0.000 title claims description 104
- 210000003323 beak Anatomy 0.000 title claims description 82
- 238000001356 surgical procedure Methods 0.000 title claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 37
- 239000011810 insulating material Substances 0.000 claims description 9
- 230000002439 hemostatic effect Effects 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000008280 blood Substances 0.000 description 12
- 210000004369 blood Anatomy 0.000 description 12
- 230000000740 bleeding effect Effects 0.000 description 8
- 230000023597 hemostasis Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 230000001112 coagulating effect Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000002674 endoscopic surgery Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 210000000683 abdominal cavity Anatomy 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000009297 electrocoagulation Methods 0.000 description 4
- 210000001124 body fluid Anatomy 0.000 description 3
- 239000010839 body fluid Substances 0.000 description 3
- 238000002350 laparotomy Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Surgical Instruments (AREA)
Description
φ/24≦P≦φ/3 ・・・(1)
また、次の式(2)を満たすことが、より好ましい。
φ/12≦P≦φ/6 ・・・(2)
例えば、P=0.8mm、φ=5.5mmである。
12 管部材
12p 中空孔
12x 中心線
13 絶縁材
14 接続部(電源接続部、陰圧源接続部)
15a 端子(電源接続部)
15b コネクタ部(陰圧源接続部)
16,16a,16b 電極
16p,16s,16u 先端面
16q,16t,16v 外周面
16x,16y,16z 境界線
17,17a,17b 吸引孔
18,18a,18b,18i,18j 開口
19,19a,19b 周縁
Claims (5)
- 外周面が絶縁材で被覆された、中空孔を有する管状の管部材と、
前記管部材の一方の端部、又は前記一方の端部と他方の端部との間の中間部に設けられた、電源を接続するための電源接続部と、
前記管部材の前記一方の端部又は前記中間部に設けられた、前記中空孔に陰圧源を接続するための陰圧源接続部と、
円筒状の外形を有し、前記管部材の前記他方の端部に前記管部材と同軸に固定され、前記管部材の前記中空孔に連通する吸引孔が形成された電極と、
を備え、
前記電極は、外部に露出する円筒状の外周面と、前記外周面の前記管部材とは反対側の一方端に接する先端面とを有し、
前記管部材は、前記他方の端部に、前記中空孔に連通する開口を有し、
前記吸引孔は、前記管部材の前記開口に連通する中心部と、前記中心部から分岐する複数の分岐部とを有し、
前記電極の前記外周面は、前記吸引孔の前記分岐部それぞれに連通する開口を複数有し、
前記電極は、前記先端面を前記管部材の中心線の方向に前記管部材に向かって見ると、前記先端面が前記管部材の前記開口を完全に覆うように形成され、
前記先端面は導電性を有し、前記電源接続部を介して前記電源に電気的に接続されることを特徴とする、手術用凝固機能付き吸引嘴管。 - 前記吸引孔の前記分岐部それぞれに連通する前記開口は、前記電極の前記外周面から前記先端面まで拡張され、前記先端面を前記管部材の前記中心線の方向に前記管部材に向かって見ると、前記吸引孔の前記分岐部それぞれに連通する前記開口は、前記管部材の前記開口のまわりに形成されていることを特徴とする、請求項1に記載の手術用凝固機能付き吸引嘴管。
- 前記先端面は、中央部分が湾曲している凸面であることを特徴とする、請求項1又は2に記載の手術用凝固機能付き吸引嘴管。
- 前記先端面は、中央部分が平面であることを特徴とする、請求項1又は2に記載の手術用凝固機能付き吸引嘴管。
- 前記管部材は、直線状であることを特徴とする、請求項1乃至4のいずれか一つに記載の手術用凝固機能付き吸引嘴管。
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JP2018129556A JP6691720B2 (ja) | 2018-07-07 | 2018-07-07 | 手術用凝固機能付き吸引嘴管 |
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JP2018129556A JP6691720B2 (ja) | 2018-07-07 | 2018-07-07 | 手術用凝固機能付き吸引嘴管 |
Publications (2)
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JP2020005875A JP2020005875A (ja) | 2020-01-16 |
JP6691720B2 true JP6691720B2 (ja) | 2020-05-13 |
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JP2018129556A Active JP6691720B2 (ja) | 2018-07-07 | 2018-07-07 | 手術用凝固機能付き吸引嘴管 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021060157A1 (ja) | 2019-09-25 | 2021-04-01 | オリンパス株式会社 | 管路付き電極及び処置具 |
CN115252114B (zh) * | 2022-07-25 | 2023-08-25 | 邦士医疗科技股份有限公司 | 一种鼻甲止血电极 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8083736B2 (en) * | 2000-03-06 | 2011-12-27 | Salient Surgical Technologies, Inc. | Fluid-assisted medical devices, systems and methods |
US7942873B2 (en) * | 2005-03-25 | 2011-05-17 | Angiodynamics, Inc. | Cavity ablation apparatus and method |
US8016822B2 (en) * | 2005-05-28 | 2011-09-13 | Boston Scientific Scimed, Inc. | Fluid injecting devices and methods and apparatus for maintaining contact between fluid injecting devices and tissue |
US9254166B2 (en) * | 2013-01-17 | 2016-02-09 | Arthrocare Corporation | Systems and methods for turbinate reduction |
EP2967714B1 (en) * | 2013-03-14 | 2022-05-11 | Baylis Medical Company Inc. | Electrosurgical device having a lumen |
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