JP6062952B2 - 涙管流れ抵抗測定システム及び管状素子 - Google Patents
涙管流れ抵抗測定システム及び管状素子 Download PDFInfo
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Description
・カニューレに連通して液体を眼の涙点に供給する液体の流れを発生させる流れ発生手段であって、前記カニューレは、前記涙点を封止可能な先端部を画定する、該流れ発生手段と、
・前記流れ発生手段を動作させるモータと、
・前記涙点に供給する液体の圧力をモニタリングする圧力センサと、
・前記圧力センサからの信号が供給されるモニタリング回路であって、前記信号から前記流れ抵抗を表示するよう構成した、該モニタリング回路と、及び
・前記圧力センサからの信号に従って前記モータを制御するフィードバック回路であって、プリセットした液体圧力を維持する、又は前記液体圧力がプリセットした閾値を確実に超えないようにする、該フィードバック回路と
を備える。
灌流システム30は、シリンジ32に適当な液体、代表的には水又は生理食塩水を充填することによって準備する。次にシリンジ32をケーシング55に固着し、またケーシング55をプレート29に取付ける。チューブ38及び変換器モジュール40をシリンジ32に接続する。変換器モジュール40からのワイヤ56及び57をケーシング55にプラグ接続し、またカニューレ46を変換器モジュール40の端部に接続する。
Claims (15)
- 涙管(14, 15, 16, 18)の流動特性を測定して該涙管の流れ抵抗を確認するシステム(30)において、
・カニューレ(46)に連通して液体を眼の涙点(12, 13)に供給し前記涙管を灌流させる、液体の流れを発生させる流れ発生手段であって、前記カニューレ(46)は、前記涙点(12, 13)を封止可能な先端部(47)を画定する、該流れ発生手段(32)と、
・前記流れ発生手段(32)を動作させるモータ(34)と、
・前記涙点(12, 13)に供給される液体の圧力をモニタリングする圧力センサ(42)と、
・前記圧力センサ(42)からの信号が供給されるモニタリング回路(50)であって、前記信号から前記流れ抵抗を表示するよう構成した、該モニタリング回路(50)と、
・前記圧力センサ(42)からの信号に従って前記モータ(34)を制御するフィードバック回路(50)であって、プリセットした液体圧力を維持する、又は前記液体圧力がプリセットした閾値を確実に超えないようにする、該フィードバック回路(50)と、
を備え、
前記流れ発生手段(32)は、流路を画定する1個又はそれ以上のコンポーネントを経て前記カニューレ(46)に連通し、
前記流路は、少なくとも部分的に短い管状剛性素子(40)によって画定され、前記短い管状剛性素子(40)に前記カニューレ(46)を取付け、
前記システム(30)は、オペレータが使用可能な位置でカニューレの近傍に設けた、灌流を制御可能にするスイッチ(48)を有し、
前記システム(30)は、
(a)携帯可能でバッテリ給電するものであり、手持ち操作可能に構成されている、または、
(b)前記流れ発生手段(32)及び前記モータ(34)が顕微鏡に取付け可能に構成されるとともに、前記流路が少なくとも部分的に可撓性チューブ(38)によって画定され、短い管状剛性素子(40)がオペレータによって指先で取扱い可能に構成されている、システム。 - 請求項1記載のシステムにおいて、前記流れ発生手段は、プランジャ(33)付きのシリンジ(32)を有する、システム。
- 請求項1記載のシステムにおいて、前記流れ発生手段は、液体リザーバ及びポンプを有する、システム。
- 請求項1〜3のうちいずれか一項記載のシステムにおいて、さらに、前記涙点(12, 13)に供給する液体の流量をモニタリングし、かつ前記流量を表している信号を前記モニタリング回路(50)に供給する手段を備え、これにより前記モニタリング回路(50)が前記流れ抵抗を決定できるようにした、システム。
- 請求項1〜4のうちいずれか一項記載のシステムにおいて、前記カニューレ(46)の前記先端部(47)に設けた光源を有する、システム。
- 請求項1記載のシステムにおいて、前記カニューレ(98)は、前記涙点(12, 13)内を通り、涙小管(14, 15)に沿って前記涙管の涙嚢(16)内まで通過可能な長さを有する、システム。
- 請求項1〜6のうちいずれか一項記載のシステムにおいて、前記カニューレ(46)は前記先端部(47)に向けたテーパを有し、前記先端部(47)の外径は前記涙点(12, 13)を拡張せずに挿入可能となるよう小さく設定されている、システム。
- 請求項1〜7のうちいずれか一項記載のシステムにおいて、さらに、眼の他方の涙点(12, 13)を経る流れを遮閉する遮閉手段(60, 62, 65, 73、80)を備えた、システム。
- 請求項8記載のシステムにおいて、前記遮閉手段は、涙点(12, 13)又は涙点(12, 13)に隣接する涙小管(14, 15)を圧迫するクリップ(65, 73、80)を有する、システム。
- 請求項1〜9のうちいずれか一項記載のシステムにおいて、前記流れ発生手段は、プランジャ(33)付きのシリンジ(32)を有し、前記シリンジ(32)の前記プランジャ(33)の移動をモニタリングすることにより、又は前記シリンジ(32)の前記プランジャ(33)を駆動するモータ(34)をモニタリングすることにより、前記流量をモニタリングする、システム。
- 請求項1〜10のうちいずれか一項記載のシステムにおいて、前記短い管状剛性素子(40)内に前記圧力センサ(42)を配置した、システム。
- 請求項1〜11のうちいずれか一項記載のシステムにおいて、前記短い管状剛性素子(40)は、さらに、スイッチ(48)を有するものとした、システム。
- 請求項1〜12のうちいずれか一項記載のシステムにおいて、前記短い管状剛性素子(40)は、さらに、一方向弁(44)を有するものとした、システム。
- 請求項1〜13のうちいずれか一項記載のシステムにおいて、前記流れ抵抗を表示する前記モニタリング回路(50)、及び前記圧力センサからの信号に従って前記モータを制御する前記フィードバック回路(50)の双方は、マイクロプロセッサ(50)によって構成した、システム。
- 請求項1〜14のうちいずれか一項記載の流れ抵抗測定システム(30)に使用する短い管状剛性素子(40)において、前記短い管状剛性素子(40)は一方の端部でカニューレ(46)と連通して眼の涙点(12, 13)に液体を供給するよう構成し、前記カニューレ(46)は、前記涙点(12, 13)を封止できる先端部(47)を画定し、また前記短い管状剛性素子(40)は他方の端部で液体源に連通し、前記短い管状剛性素子(40)は手で持つよう構成し、前記短い管状剛性素子(40)は、さらに、前記涙点(12, 13)に供給される液体の圧力をモニタリングする圧力センサ(42)、及び前記液体源を動作させるスイッチ(48)を備える、管状素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1120771.9 | 2011-12-02 | ||
GB201120771A GB201120771D0 (en) | 2011-12-02 | 2011-12-02 | tear duct resistance measuring system |
PCT/GB2012/052964 WO2013079959A1 (en) | 2011-12-02 | 2012-11-30 | Tear duct resistance measuring system |
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Publication Number | Publication Date |
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JP2015505685A JP2015505685A (ja) | 2015-02-26 |
JP2015505685A5 JP2015505685A5 (ja) | 2015-12-10 |
JP6062952B2 true JP6062952B2 (ja) | 2017-01-18 |
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JP2014543975A Active JP6062952B2 (ja) | 2011-12-02 | 2012-11-30 | 涙管流れ抵抗測定システム及び管状素子 |
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Country | Link |
---|---|
US (2) | US9629540B2 (ja) |
EP (1) | EP2785239B1 (ja) |
JP (1) | JP6062952B2 (ja) |
CN (1) | CN104080395B (ja) |
ES (1) | ES2660780T3 (ja) |
GB (1) | GB201120771D0 (ja) |
WO (1) | WO2013079959A1 (ja) |
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JP6249755B2 (ja) * | 2013-12-13 | 2017-12-20 | 株式会社トプコン | 眼科装置 |
WO2016176252A1 (en) * | 2015-04-27 | 2016-11-03 | Khan Taj H | Biosensor canalicular stent |
US20180193193A1 (en) * | 2015-07-06 | 2018-07-12 | The Regents Of The University Of Colorado, A Body Corporate | Lacrimal drainage system diagnostic implant |
US20170333009A1 (en) * | 2016-05-19 | 2017-11-23 | Oregon Health & Science University | Instruments used in collecting fluid samples |
CN107811629A (zh) * | 2017-09-30 | 2018-03-20 | 温州医科大学附属眼视光医院 | 一种基于cs1237芯片、压阻传感器和单片机的压力采集信号的泪道压力检测仪 |
NL2020558B1 (en) * | 2018-03-09 | 2019-09-13 | D O R C Dutch Ophthalmic Res Center International B V | An ophthalmic pressure control system, a kit of parts and a method |
JP7540431B2 (ja) | 2019-03-26 | 2024-08-27 | ソニーグループ株式会社 | 制御装置及び眼科用顕微鏡システム |
CN112451204A (zh) * | 2019-09-09 | 2021-03-09 | 荷兰眼科研究中心(国际)有限公司 | 眼科压力控制系统、成套部件以及方法 |
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US4670006A (en) * | 1984-10-16 | 1987-06-02 | Sinnett Kevin B | Fluid and air infusion device |
GB8610896D0 (en) * | 1986-05-03 | 1986-06-11 | Needle Industries Ltd | Ophthalmic aspirating/irrigating device |
US5832930A (en) * | 1994-10-11 | 1998-11-10 | Bloom & Kreten | Clamp for nasolacrimal sac occlusion during administration of ocular medication |
EP1225854A1 (en) * | 2000-08-29 | 2002-07-31 | Alcon Manufacturing Ltd. | Methods of controlling intraocular pressure and temperature |
US20050048099A1 (en) * | 2003-01-09 | 2005-03-03 | Allergan, Inc. | Ocular implant made by a double extrusion process |
US8016798B2 (en) * | 2003-02-24 | 2011-09-13 | Integrated Sensing Systems, Inc. | Fluid delivery system and sensing unit therefor |
US7846126B2 (en) * | 2003-07-14 | 2010-12-07 | Abbott Medical Optics, Inc. | System and method for modulated surgical procedure irrigation and aspiration |
US20050038323A1 (en) * | 2003-08-11 | 2005-02-17 | Knit Ventures, Llc | Tear duct endoscope for medication and sampling |
JP5208916B2 (ja) * | 2006-03-31 | 2013-06-12 | キュー エル ティー インク. | 鼻涙系用の薬物送達方法、構造および組成物 |
JP2010246573A (ja) * | 2007-08-10 | 2010-11-04 | Saver Inc | 眼内手術装置 |
WO2009111726A2 (en) | 2008-03-06 | 2009-09-11 | The Regents Of The University Of California | Measuring outlflow resistance/facility of an eye |
US8162919B2 (en) * | 2008-12-08 | 2012-04-24 | Bausch & Lomb Incorporated | Flow control system based on leakage |
US20100324476A1 (en) * | 2009-06-17 | 2010-12-23 | Mikhail Boukhny | Fluidics control via wireless telemetry |
CA2770442C (en) * | 2009-08-19 | 2021-06-08 | Mirador Biomedical | Systems, methods, and devices for facilitating access to target anatomical sites or environments |
US8147467B2 (en) * | 2009-09-24 | 2012-04-03 | Stephen C Chen | Noninvasive lacrimal canalicular occlusion device and method |
US8460230B2 (en) * | 2010-09-16 | 2013-06-11 | The Cleveland Clinic Foundation | Lacrimal drainage manometer and method of use |
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2011
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JP2015505685A (ja) | 2015-02-26 |
US9629540B2 (en) | 2017-04-25 |
US20140358039A1 (en) | 2014-12-04 |
CN104080395A (zh) | 2014-10-01 |
WO2013079959A1 (en) | 2013-06-06 |
EP2785239B1 (en) | 2017-11-22 |
EP2785239A1 (en) | 2014-10-08 |
CN104080395B (zh) | 2016-09-21 |
GB201120771D0 (en) | 2012-01-11 |
US20170196448A1 (en) | 2017-07-13 |
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