JP2012503525A - バネ無しのハンドピース用チェックバルブ - Google Patents
バネ無しのハンドピース用チェックバルブ Download PDFInfo
- Publication number
- JP2012503525A JP2012503525A JP2011529147A JP2011529147A JP2012503525A JP 2012503525 A JP2012503525 A JP 2012503525A JP 2011529147 A JP2011529147 A JP 2011529147A JP 2011529147 A JP2011529147 A JP 2011529147A JP 2012503525 A JP2012503525 A JP 2012503525A
- Authority
- JP
- Japan
- Prior art keywords
- handpiece
- control member
- flow control
- chamber
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- A61F9/00745—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments using mechanical vibrations, e.g. ultrasonic
-
- 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
- A61M3/0208—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity before use
-
- 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
- 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
- A61M3/022—Volume; Flow rate
-
- 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
- A61M3/0275—Pulsating jets; Vibrating nozzles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7904—Reciprocating valves
- Y10T137/7908—Weight biased
- Y10T137/7909—Valve body is the weight
- Y10T137/791—Ball valves
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Ophthalmology & Optometry (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Surgical Instruments (AREA)
Abstract
Description
本開示の様々な実施形態が図において示され、同様の番号は様々な図面の同様の又は対応する部分を参照するのに概して用いられる。本開示の実施形態では、白内障摘出のための装置及び方法が提供される。
Claims (6)
- 上流部及び下流部を有するチャンバを画成し且つ該チャンバ上流部と該チャンバ下流部との間に第1流路を画成する本体と、
前記チャンバ上流部に連結された、前記本体の入口と、
前記チャンバ下流部に連結されたパルスエンジンと、
該パルスエンジンに連結された前記本体の出口と、
開放位置と閉鎖位置との間で移動することができる流れ制御部材と
を具備するハンドピースであって、
前記本体が前記チャンバ下流部と前記流れ制御部材との間に第2流路を更に画成し、該第2流路が前記第1流路よりも制限されることがなく、
更に、前記閉鎖位置において、前記入口からの流れが前記流れ制御部材を前記開放位置に移動させる傾向にあり、これによって前記第1流路を通る流れが可能となり、且つ、前記開放位置において、前記第2通路に沿って進む前記パルスエンジンからの圧力増加が、該圧力増加が前記第1流路を通って進む前に、前記流れ制御部材を前記閉鎖位置に移動させる傾向にある、ハンドピース。 - 前記流れ制御部材が球状である、請求項1に記載のハンドピース。
- 前記チャンバの少なくとも一部分と、前記第2流路の少なくとも一部分とを画成する挿入部材を更に具備する、請求項1に記載のハンドピース。
- 前記開放位置と前記閉鎖位置とが約0.025mm〜約0.254mm離れている、請求項1に記載のハンドピース。
- 前記開放位置と前記閉鎖位置とが約0.051mm〜約0.076mm離れている、請求項4に記載のハンドピース。
- 前記本体が長手方向の軸線を有し、前記流れ制御部材が前記開放位置と前記閉鎖位置との間で前記長手方向の軸線に対して平行な方向に移動する、請求項1に記載のハンドピース。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/237,468 | 2008-09-25 | ||
US12/237,468 US8291933B2 (en) | 2008-09-25 | 2008-09-25 | Spring-less check valve for a handpiece |
PCT/US2009/057675 WO2010036610A1 (en) | 2008-09-25 | 2009-09-21 | Spring-less check valve for a handpiece |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2012503525A true JP2012503525A (ja) | 2012-02-09 |
Family
ID=41278299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011529147A Pending JP2012503525A (ja) | 2008-09-25 | 2009-09-21 | バネ無しのハンドピース用チェックバルブ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8291933B2 (ja) |
EP (1) | EP2344097A1 (ja) |
JP (1) | JP2012503525A (ja) |
AU (1) | AU2009296817B2 (ja) |
CA (1) | CA2736896A1 (ja) |
WO (1) | WO2010036610A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8291933B2 (en) | 2008-09-25 | 2012-10-23 | Novartis Ag | Spring-less check valve for a handpiece |
US8568396B2 (en) | 2009-12-10 | 2013-10-29 | Alcon Research, Ltd. | Flooded liquefaction hand piece engine |
US11305053B2 (en) * | 2012-05-25 | 2022-04-19 | Johnson & Johnson Surgical Vision, Inc. | Surgical handpiece having directional fluid control capabilities |
US9878075B2 (en) * | 2012-12-10 | 2018-01-30 | Alcon Research, Ltd. | Vacuum control method for surgical hand piece |
Citations (4)
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WO2006101727A2 (en) * | 2005-03-16 | 2006-09-28 | Alcon, Inc. | Pumping chamber for a liquefaction handpiece |
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-
2008
- 2008-09-25 US US12/237,468 patent/US8291933B2/en active Active
-
2009
- 2009-09-21 AU AU2009296817A patent/AU2009296817B2/en not_active Expired - Fee Related
- 2009-09-21 WO PCT/US2009/057675 patent/WO2010036610A1/en active Application Filing
- 2009-09-21 CA CA 2736896 patent/CA2736896A1/en not_active Abandoned
- 2009-09-21 EP EP20090792775 patent/EP2344097A1/en not_active Withdrawn
- 2009-09-21 JP JP2011529147A patent/JP2012503525A/ja active Pending
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JPS60129566U (ja) * | 1984-02-10 | 1985-08-30 | 株式会社小松製作所 | 逆止弁 |
JP2006021054A (ja) * | 1998-06-04 | 2006-01-26 | Alcon Lab Inc | 液化ハンドピース |
US20060161101A1 (en) * | 2005-01-18 | 2006-07-20 | Alcon, Inc. | Surgical system and handpiece |
WO2006101727A2 (en) * | 2005-03-16 | 2006-09-28 | Alcon, Inc. | Pumping chamber for a liquefaction handpiece |
Also Published As
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AU2009296817B2 (en) | 2014-04-03 |
US20100076471A1 (en) | 2010-03-25 |
CA2736896A1 (en) | 2010-04-01 |
US8291933B2 (en) | 2012-10-23 |
WO2010036610A1 (en) | 2010-04-01 |
AU2009296817A1 (en) | 2010-04-01 |
EP2344097A1 (en) | 2011-07-20 |
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