JP2008546501A - 外科システムのテスト方法 - Google Patents
外科システムのテスト方法 Download PDFInfo
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- JP2008546501A JP2008546501A JP2008519362A JP2008519362A JP2008546501A JP 2008546501 A JP2008546501 A JP 2008546501A JP 2008519362 A JP2008519362 A JP 2008519362A JP 2008519362 A JP2008519362 A JP 2008519362A JP 2008546501 A JP2008546501 A JP 2008546501A
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- irrigation
- source
- test chamber
- pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/16—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
-
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0204—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
- A61M3/0216—Pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/77—Suction-irrigation systems
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0612—Eyes
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- External Artificial Organs (AREA)
- Eye Examination Apparatus (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measuring Fluid Pressure (AREA)
- Surgical Instruments (AREA)
Abstract
Description
KR=RADMIN/RIRR=ΔPADMIN/ΔPIRR
=(P0 SOURCE−P0 IPS)/(P0 IPS−P0 TIP)
=(P0 SOURCE−P0 IPS)/(P0 IPS−0)
=P0 SOURCE/P0 IPS−1
ここで、
P0 SOURCE:テスト中の潅注源の圧力、
P0 IPS:テストチャンバーが再充填時のIPS読取り値、
P0 TIP:テストチャンバーが再充填時のハンドピース先端の圧力、ほぼ0mmHg。
PIOP=PIPS−ΔPIRR=PIPS−ΔPADMIN/KR
=PIPS−(PSOURCE−PIPS)/KR
=((KR+1)PIPS−PSOURCE)/KR
ここで、
PIOP:現在のIOP値、
PSOURCE:現在の潅注源の圧力、
PIPS:現在のIPS読取り値
Claims (5)
- 潅注圧力センサを備えた潅注システムにおける、潅注経路の抵抗比を決定する方法であって、
(a)前記外科システムの管理下にある潅注流体源を、潅注ラインを通して外科用ハンドピースに接続する工程と、
(b)前記外科システムの管理下にある吸引真空源を、吸引ラインを通して前記外科用ハンドピースに接続する工程と、
(c)前記潅注流体源から前記吸引真空源への流体閉回路を構成するように、前記外科用ハンドピースにテストチャンバーを装着する工程と、
(d)前記潅注ラインを閉じている間に、既知量の流体を吸引することによって、前記テストチャンバーを前記真空源によって発生した真空にさらす工程と、
(e)前記潅注ラインを開いて、前記テストチャンバーを再充填する工程と、
(f)前記潅注ラインと前記吸引ラインのうちの一つの圧力回復プロファイルを監視する工程と、
(g)監視された前記圧力回復プロファイルにおいて、特性テストチャンバーの再充填セグメントを検出する工程と、
(h)前記再充填する工程中で、前記特性テストチャンバーの再充填セグメントが検出されている間に、潅注圧力センサ(IPS)読取り値として、前記潅注ラインの圧力を決定する工程と、
(i)前記特性テストチャンバーの再充填セグメントが検出されている間に、前記潅注源から前記潅注センサの圧力低下を決定する工程と、
(j)前記特性テストチャンバーの再充填セグメントが検出されている間に、前記潅注センサから前記テストチェンバーの圧力低下を決定する工程と、
(k)前記特性テストチャンバーの再充填セグメントが検出されている間の、前記潅注源から前記潅注センサの前記圧力低下と、前記特性テストチャンバーの再充填セグメントが検出されている間の、前記潅注センサから前記テストチェンバーの前記圧力低下とを使用して、前記潅注源から前記潅注センサまでの潅注流に対する抵抗と前記潅注センサから前記テストチェンバーまでの潅注流に対する抵抗の前記潅注パスの抵抗比(KR)を決定する工程と、
を含むこと、を特徴とする潅注パスの抵抗比を決定する方法。 - 前記抵抗比KRが、
計算式
KR=RADMIN/RIRR=ΔPADMIN/ΔPIRR
=(P0 SOURCE−P0 IPS)/(P0 IPS−P0 TIP)
=(P0 SOURCE−P0 IPS)/(P0 IPS−0)
=P0 SOURCE/P0 IPS−1
ここで、
P0 SOURCE:前記テスト中の潅注源圧力、
P0 IPS:前記テストチャンバー再充填時のIPS読取り値、
P0 TIP:前記テストチャンバー再充填時の前記ハンドピース先端の圧力(ほぼ0mmHg)、
を用いて計算される、ことを特徴とする請求項1に記載の方法。 - 眼科外科処置中に眼球内の圧力を見積もる方法であって、
(a)外科システムの管理下にある圧力、および、潅注圧力センサ(IPS)によって監視された潅注ラインの圧力を持つ潅注流体源を、前記潅注ラインを通して外科用ハンドピースに接続する工程と、
(b)前記外科システムの管理下にある吸引真空源を、吸引ラインを通して前記外科用ハンドピースに接続する工程と、
(c)前記潅注流体源から前記吸引真空源への流体閉回路を構成するように、前記外科用ハンドピースにテストチャンバーを装着する工程と、
(d)前記潅注ラインを閉じている間に、既知量の流体を吸引することによって、前記テストチャンバーを、前記真空源によって発生した真空にさらす工程と、
(e)前記潅注ラインを開いて、前記再充填テストチャンバーを再充填する工程と、
(f)前記潅注ラインと前記吸引ラインのうちの一つの圧力回復プロファイルを監視する工程と、
(g)監視された前記圧力回復プロファイルにおいて、特性テストチャンバーの再充填セグメントを検出する工程と、
(h)前記再充填する工程中で、前記特性テストチャンバーの再充填セグメントが検出されている間に、潅注圧力センサの読取値として、前記潅注ラインの圧力を決定する工程と、
(i)前記特性テストチャンバーの再充填セグメントが検出されている間の、前記潅注源から前記潅注センサの圧力低下を決定する工程と、
(j)前記特性テストチャンバーの再充填セグメントが検出されている間の、前記潅注センサから前記テストチェンバーの圧力低下を決定する工程と、
(k)前記特性テストチャンバーの再充填セグメントが検出されている間の、前記潅注源から前記潅注センサの前記圧力低下と、前記特性テストチャンバーの再充填セグメントが検出されている間の、前記潅注センサから前記テストチェンバーの前記圧力低下とを使用して、前記潅注源から前記潅注センサまでの潅注流に対する抵抗と前記潅注センサから前記テストチェンバーまでの潅注流に対する抵抗の前記潅注パスの抵抗比(KR)を決定する工程と、
(l)該決定された、前記潅注パスの抵抗比、前記潅注源圧力、および、監視された潅注圧力センサ読取り値に基づいて、外科処置中に、眼の中の眼球内圧力を見積もる工程と、
を含むこと、を特徴とする眼球内圧力評価方法。 - 前記抵抗比KRが、
計算式
KR=RADMIN/RIRR=ΔPADMIN/ΔPIRR
=(P0 SOURCE−P0 IPS)/(P0 IPS−P0 TIP)
=(P0 SOURCE−P0 IPS)/(P0 IPS−0)
=P0 SOURCE/P0 IPS−1
ここで、
P0 SOURCE:前記テスト中の潅注源圧力、
P0 IPS:前記テストチャンバー再充填時のIPS読取り値、
P0 TIP:前記テストチャンバー再充填時の前記ハンドピース先端の圧力(ほぼ0mmHg)、
を用いて計算されること、を特徴とする請求項3に記載の方法。 - 前記眼球内圧力が、
計算式
PIOP=PIPS−ΔPIRR=PIPS−ΔPADMIN/KR
=PIPS−(PSOURCE−PIPS)/KR
=((KR+1)PIPS−PSOURCE)/KR
ここで、
PIOP:現在のIOP値、
PSOURCE:現在の潅注源圧力、
PIPS:現在のIPS読取り値、
を用いて見積もられる、ことを特徴とする請求項3に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/168,836 | 2005-06-28 | ||
US11/168,836 US7648465B2 (en) | 2005-06-28 | 2005-06-28 | Method of testing a surgical system |
PCT/US2006/023656 WO2007001929A2 (en) | 2005-06-28 | 2006-06-16 | Method of testing a surgical system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008546501A true JP2008546501A (ja) | 2008-12-25 |
JP4801152B2 JP4801152B2 (ja) | 2011-10-26 |
Family
ID=37595695
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Application Number | Title | Priority Date | Filing Date |
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JP2008519362A Active JP4801152B2 (ja) | 2005-06-28 | 2006-06-16 | 外科システムのテスト方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US7648465B2 (ja) |
EP (1) | EP1895958B1 (ja) |
JP (1) | JP4801152B2 (ja) |
AR (1) | AR057077A1 (ja) |
AT (1) | ATE438367T1 (ja) |
AU (1) | AU2006262491B2 (ja) |
BR (1) | BRPI0613526B8 (ja) |
CA (1) | CA2611330C (ja) |
DE (1) | DE602006008304D1 (ja) |
ES (1) | ES2329175T3 (ja) |
TW (1) | TWI318112B (ja) |
WO (1) | WO2007001929A2 (ja) |
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2006
- 2006-06-16 ES ES06785059T patent/ES2329175T3/es active Active
- 2006-06-16 JP JP2008519362A patent/JP4801152B2/ja active Active
- 2006-06-16 DE DE602006008304T patent/DE602006008304D1/de active Active
- 2006-06-16 AT AT06785059T patent/ATE438367T1/de not_active IP Right Cessation
- 2006-06-16 AU AU2006262491A patent/AU2006262491B2/en not_active Ceased
- 2006-06-16 EP EP06785059A patent/EP1895958B1/en active Active
- 2006-06-16 WO PCT/US2006/023656 patent/WO2007001929A2/en active Application Filing
- 2006-06-16 CA CA2611330A patent/CA2611330C/en not_active Expired - Fee Related
- 2006-06-16 BR BRPI0613526A patent/BRPI0613526B8/pt not_active IP Right Cessation
- 2006-06-27 AR ARP060102759A patent/AR057077A1/es not_active Application Discontinuation
- 2006-06-27 TW TW095123147A patent/TWI318112B/zh not_active IP Right Cessation
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Cited By (12)
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JP2013505107A (ja) * | 2009-09-21 | 2013-02-14 | アルコン リサーチ, リミテッド | 外部圧力補償を備えた眼内圧力センサ |
JP2013512760A (ja) * | 2009-12-08 | 2013-04-18 | アルコン リサーチ, リミテッド | 一体型吸引ポンプを備えた水晶体乳化用ハンドピース |
JP2016027872A (ja) * | 2009-12-08 | 2016-02-25 | アルコン リサーチ, リミテッド | 一体型吸引ポンプを備えた水晶体乳化用ハンドピース |
US9861522B2 (en) | 2009-12-08 | 2018-01-09 | Alcon Research, Ltd. | Phacoemulsification hand piece with integrated aspiration pump |
US9125721B2 (en) | 2011-12-13 | 2015-09-08 | Alcon Research, Ltd. | Active drainage systems with dual-input pressure-driven valves |
US10182940B2 (en) | 2012-12-11 | 2019-01-22 | Novartis Ag | Phacoemulsification hand piece with integrated aspiration and irrigation pump |
US9962288B2 (en) | 2013-03-07 | 2018-05-08 | Novartis Ag | Active acoustic streaming in hand piece for occlusion surge mitigation |
US9126219B2 (en) | 2013-03-15 | 2015-09-08 | Alcon Research, Ltd. | Acoustic streaming fluid ejector |
US9545337B2 (en) | 2013-03-15 | 2017-01-17 | Novartis Ag | Acoustic streaming glaucoma drainage device |
US9693896B2 (en) | 2013-03-15 | 2017-07-04 | Novartis Ag | Systems and methods for ocular surgery |
US9750638B2 (en) | 2013-03-15 | 2017-09-05 | Novartis Ag | Systems and methods for ocular surgery |
US9915274B2 (en) | 2013-03-15 | 2018-03-13 | Novartis Ag | Acoustic pumps and systems |
Also Published As
Publication number | Publication date |
---|---|
WO2007001929A2 (en) | 2007-01-04 |
TWI318112B (en) | 2009-12-11 |
CA2611330A1 (en) | 2007-01-04 |
US20070010730A1 (en) | 2007-01-11 |
EP1895958A4 (en) | 2008-11-12 |
TW200714268A (en) | 2007-04-16 |
JP4801152B2 (ja) | 2011-10-26 |
DE602006008304D1 (de) | 2009-09-17 |
AU2006262491A1 (en) | 2007-01-04 |
US7648465B2 (en) | 2010-01-19 |
EP1895958B1 (en) | 2009-08-05 |
AU2006262491B2 (en) | 2009-08-06 |
ATE438367T1 (de) | 2009-08-15 |
ES2329175T3 (es) | 2009-11-23 |
CA2611330C (en) | 2010-10-19 |
BRPI0613526B8 (pt) | 2021-06-22 |
BRPI0613526A2 (pt) | 2011-01-18 |
EP1895958A2 (en) | 2008-03-12 |
AR057077A1 (es) | 2007-11-14 |
BRPI0613526B1 (pt) | 2018-10-09 |
WO2007001929A3 (en) | 2007-03-29 |
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