US3902495A - Flow control system - Google Patents
Flow control system Download PDFInfo
- Publication number
- US3902495A US3902495A US437165A US43716574A US3902495A US 3902495 A US3902495 A US 3902495A US 437165 A US437165 A US 437165A US 43716574 A US43716574 A US 43716574A US 3902495 A US3902495 A US 3902495A
- Authority
- US
- United States
- Prior art keywords
- fluid
- chamber
- pressure
- flow
- per
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- A61M3/0233—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs
- A61M3/0241—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs the liquid being supplied by gravity
-
- 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
- A61M1/742—Suction control by changing the size of a vent
-
- 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
- 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
- A61M3/0212—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity after 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
- 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
-
- 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
-
- 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
- A61M3/0233—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pulmonology (AREA)
- External Artificial Organs (AREA)
Abstract
Description
Claims (12)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US437165A US3902495A (en) | 1974-01-28 | 1974-01-28 | Flow control system |
CA218,129A CA1068572A (en) | 1974-01-28 | 1975-01-17 | Flow control system |
US05/589,484 US4041947A (en) | 1974-01-28 | 1975-06-23 | Flow control system |
CA327,727A CA1068574A (en) | 1974-01-28 | 1979-05-16 | Flow control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US437165A US3902495A (en) | 1974-01-28 | 1974-01-28 | Flow control system |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/589,484 Division US4041947A (en) | 1974-01-28 | 1975-06-23 | Flow control system |
Publications (1)
Publication Number | Publication Date |
---|---|
US3902495A true US3902495A (en) | 1975-09-02 |
Family
ID=23735349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US437165A Expired - Lifetime US3902495A (en) | 1974-01-28 | 1974-01-28 | Flow control system |
Country Status (2)
Country | Link |
---|---|
US (1) | US3902495A (en) |
CA (1) | CA1068572A (en) |
Cited By (106)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4011870A (en) * | 1976-03-05 | 1977-03-15 | Michael Goldstein | Needle instrument |
US4014333A (en) * | 1975-09-22 | 1977-03-29 | Mcintyre David J | Instrument for aspirating and irrigating during ophthalmic surgery |
US4033349A (en) * | 1976-04-13 | 1977-07-05 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Corneal seal device |
US4041947A (en) * | 1974-01-28 | 1977-08-16 | Cavitron Corporation | Flow control system |
US4056855A (en) * | 1976-04-07 | 1977-11-08 | Charles Kelman | Intraocular lens and method of implanting same |
US4136700A (en) * | 1975-03-05 | 1979-01-30 | Cavitron Corporation | Neurosonic aspirator |
FR2401656A1 (en) * | 1977-08-31 | 1979-03-30 | Nasa | OPHTHALMIC PROCESS FOR TREATING AN EYE WITH GLAUCOMA |
FR2474857A1 (en) * | 1980-02-06 | 1981-08-07 | Boutmy Ets | Multipurpose surgical probe - has fluid inlet pipes and pipes for withdrawal of waste fluid from operating site |
US4314560A (en) * | 1979-11-28 | 1982-02-09 | Helfgott Maxwell A | Powered handpiece for endophthalmic surgery |
US4363326A (en) * | 1980-12-22 | 1982-12-14 | Advanced Diagnostic Research Corporation | Ultrasonic apparatus for needle insertion |
US4493694A (en) * | 1980-10-17 | 1985-01-15 | Cooper Lasersonics, Inc. | Surgical pre-aspirator |
US4504264A (en) * | 1982-09-24 | 1985-03-12 | Kelman Charles D | Apparatus for and method of removal of material using ultrasonic vibraton |
US4516398A (en) * | 1980-10-08 | 1985-05-14 | Cooper Lasersonics, Inc. | Method of use of an ultrasonic surgical pre-aspirator having a orifice by-pass |
US4650461A (en) * | 1985-06-10 | 1987-03-17 | Woods Randall L | Extracapasular cortex irrigation and extraction |
US4670006A (en) * | 1984-10-16 | 1987-06-02 | Sinnett Kevin B | Fluid and air infusion device |
US4689040A (en) * | 1985-04-29 | 1987-08-25 | Thompson Robert J | Tip for a phacoemulsification needle |
US4750488A (en) * | 1986-05-19 | 1988-06-14 | Sonomed Technology, Inc. | Vibration apparatus preferably for endoscopic ultrasonic aspirator |
US4750902A (en) * | 1985-08-28 | 1988-06-14 | Sonomed Technology, Inc. | Endoscopic ultrasonic aspirators |
US4832685A (en) * | 1985-06-05 | 1989-05-23 | Coopervision, Inc. | Fluid flow control system and connecting fitting therefor |
US4921476A (en) * | 1980-10-08 | 1990-05-01 | Cavitron, Inc. | Method for preventing clogging of a surgical aspirator |
US4921477A (en) * | 1987-10-14 | 1990-05-01 | The Cooper Companies, Inc. | Surgical irrigation and aspiration system with dampening device |
US4922902A (en) * | 1986-05-19 | 1990-05-08 | Valleylab, Inc. | Method for removing cellular material with endoscopic ultrasonic aspirator |
US4924851A (en) * | 1988-01-05 | 1990-05-15 | Societe Dite Sinergy S.A. | Surgical apparatus |
US4935005A (en) * | 1985-06-05 | 1990-06-19 | Nestle, S.A. | Opthalmic fluid flow control system |
US5084012A (en) * | 1991-03-22 | 1992-01-28 | Kelman Charles D | Apparatus and method for irrigation and aspiration of interior regions of the human eye |
US5160317A (en) * | 1991-01-03 | 1992-11-03 | Costin John A | Computer controlled smart phacoemulsification method and apparatus |
US5185002A (en) * | 1991-06-28 | 1993-02-09 | Alcon Surgical, Inc. | Transducer apparatus having water hammer dampening means |
US5197947A (en) * | 1991-10-24 | 1993-03-30 | University Of New Mexico | Powered clysis and clyser |
US5279547A (en) * | 1991-01-03 | 1994-01-18 | Alcon Surgical Inc. | Computer controlled smart phacoemulsification method and apparatus |
US5318570A (en) * | 1989-01-31 | 1994-06-07 | Advanced Osseous Technologies, Inc. | Ultrasonic tool |
US5324297A (en) * | 1989-01-31 | 1994-06-28 | Advanced Osseous Technologies, Inc. | Ultrasonic tool connector |
US5328456A (en) * | 1990-11-13 | 1994-07-12 | Nidek Co., Ltd. | Irrigation and aspiration apparatus |
US5370602A (en) * | 1992-09-04 | 1994-12-06 | American Cyanamid Company | Phacoemulsification probe circuit with pulse width Modulating drive |
US5382251A (en) * | 1989-01-31 | 1995-01-17 | Biomet, Inc. | Plug pulling method |
US5417654A (en) * | 1994-02-02 | 1995-05-23 | Alcon Laboratories, Inc. | Elongated curved cavitation-generating tip for disintegrating tissue |
US5476448A (en) * | 1994-10-19 | 1995-12-19 | Urich; Alex | Apparatus for suppressing a vacuum surge in eye surgery |
US5562612A (en) * | 1995-02-02 | 1996-10-08 | Charles D. Kelman | Apparatus and method for reverse flow irrigation and aspiration of interior regions of the human eye |
US5685841A (en) * | 1995-08-14 | 1997-11-11 | Mackool; Richard J. | Support for fluid infusion tube for use during eye surgery |
US5722945A (en) * | 1990-07-17 | 1998-03-03 | Aziz Yehia Anis | Removal of tissue |
US5827292A (en) * | 1990-07-17 | 1998-10-27 | Anis; Aziz Yehia | Removal of tissue |
US5921999A (en) * | 1997-06-03 | 1999-07-13 | Dileo; Frank | System and method employing a pie-zoelectric crystal and transverse oscillation to perform a capsulotomy |
US5941887A (en) * | 1996-09-03 | 1999-08-24 | Bausch & Lomb Surgical, Inc. | Sleeve for a surgical instrument |
US5984904A (en) * | 1996-08-22 | 1999-11-16 | Bausch & Lomb Surgical, Inc. | Sleeve for a surgical instrument |
US6013048A (en) * | 1997-11-07 | 2000-01-11 | Mentor Corporation | Ultrasonic assisted liposuction system |
US6203516B1 (en) | 1996-08-29 | 2001-03-20 | Bausch & Lomb Surgical, Inc. | Phacoemulsification device and method for using dual loop frequency and power control |
US6283937B1 (en) * | 1998-06-30 | 2001-09-04 | Nidek Co. Ltd. | Irrigation/aspiration apparatus |
WO2001070152A1 (en) * | 2000-03-23 | 2001-09-27 | Graham David Barrett | An aspiration flow modulation device |
US6352519B1 (en) | 1990-07-17 | 2002-03-05 | Aziz Yehia Anis | Removal of tissue |
US6599271B1 (en) | 1999-04-13 | 2003-07-29 | Syntec, Inc. | Ophthalmic flow converter |
US20040000187A1 (en) * | 2002-06-28 | 2004-01-01 | Mitsuyuki Kobayashi | Evaporative emission leak detection system with brushless motor |
US6702761B1 (en) | 2000-03-06 | 2004-03-09 | Fonar Corporation | Vibration assisted needle device |
US20050209560A1 (en) * | 2004-03-22 | 2005-09-22 | Alcon, Inc. | Method of controlling a surgical system based on a rate of change of an operating parameter |
US20050209561A1 (en) * | 2004-03-22 | 2005-09-22 | Raphael Gordon | Method of detecting surgical events |
US20050228425A1 (en) * | 2004-03-22 | 2005-10-13 | Alcon, Inc. | Method of controlling a surgical system based on a load on the cutting tip of a handpiece |
US20050267504A1 (en) * | 2004-03-22 | 2005-12-01 | Alcon, Inc. | Method of controlling a surgical system based on irrigation flow |
US20050277869A1 (en) * | 2004-03-22 | 2005-12-15 | Alcon, Inc. | Method of operating an ultrasound handpiece |
US20060036180A1 (en) * | 2004-08-12 | 2006-02-16 | Mikhail Boukhny | Ultrasonic handpiece |
US20060041220A1 (en) * | 2004-08-12 | 2006-02-23 | Alcon, Inc. | Ultrasound handpiece |
US20060058811A1 (en) * | 2002-06-21 | 2006-03-16 | Makoto Kishimoto | Decompression-compensating instrument for ocular surgery, instrument for ocular surgery provided with same and method of ocular surgery |
US20060078448A1 (en) * | 2004-10-11 | 2006-04-13 | Holden Hugo R | Phacoemulsification machine with post-occlusion surge control system and related method |
US20060224163A1 (en) * | 2005-03-30 | 2006-10-05 | Sutton Thomas B | Phaco aspiration flow restrictor with bypass tube |
US20080172076A1 (en) * | 2006-11-01 | 2008-07-17 | Alcon, Inc. | Ultrasound apparatus and method of use |
US20080281253A1 (en) * | 2007-05-10 | 2008-11-13 | Injev Valentine P | Method of Operating an Ultrasound Handpiece |
US20080319374A1 (en) * | 2007-06-19 | 2008-12-25 | Jaime Zacharias | Post-occlusion chamber collapse canceling system for a surgical apparatus and method of use |
US20090163852A1 (en) * | 2007-12-20 | 2009-06-25 | Cull Laurence J | Surgical System Having Means for Isolating Vacuum Pump |
US20090163863A1 (en) * | 2007-12-20 | 2009-06-25 | Mark Ian Lutwyche | Surgical System Having Means for Stopping Vacuum Pump |
US20100036256A1 (en) * | 2008-08-08 | 2010-02-11 | Mikhail Boukhny | Offset ultrasonic hand piece |
US20100094321A1 (en) * | 2008-10-10 | 2010-04-15 | Takayuki Akahoshi | Ultrasound Handpiece |
US20100324581A1 (en) * | 2006-12-08 | 2010-12-23 | Alcon, Inc. | Torsional Ultrasound Hand Piece That Eliminates Chatter |
US20110071415A1 (en) * | 2009-03-13 | 2011-03-24 | Atrium Medical Corporation | Pleural drainage system and method of use |
US20110137232A1 (en) * | 2009-12-09 | 2011-06-09 | Alcon Research, Ltd. | Thermal Management Algorithm For Phacoemulsification System |
WO2011112291A1 (en) * | 2010-03-12 | 2011-09-15 | Atrium Medical Corporation | Chest drainage systems and methods |
US8246579B2 (en) | 2007-12-20 | 2012-08-21 | Bausch & Lomb Incorporated | Surgical system having means for pressurizing venting valve |
US8277830B2 (en) | 2009-01-29 | 2012-10-02 | Forsight Vision4, Inc. | Posterior segment drug delivery |
US8414605B2 (en) | 2011-07-08 | 2013-04-09 | Alcon Research, Ltd. | Vacuum level control of power for phacoemulsification hand piece |
US8486052B2 (en) | 2001-06-12 | 2013-07-16 | The Johns Hopkins University School Of Medicine | Reservoir device for intraocular drug delivery |
US8623395B2 (en) | 2010-01-29 | 2014-01-07 | Forsight Vision4, Inc. | Implantable therapeutic device |
US8623040B2 (en) | 2009-07-01 | 2014-01-07 | Alcon Research, Ltd. | Phacoemulsification hook tip |
USD698019S1 (en) | 2013-03-05 | 2014-01-21 | Alcon Research, Ltd. | Ophthalmic surgical cassette |
US8784357B2 (en) | 2010-09-15 | 2014-07-22 | Alcon Research, Ltd. | Phacoemulsification hand piece with two independent transducers |
US20140221909A1 (en) * | 2013-01-14 | 2014-08-07 | R. Ashley Burrow | Surgical Aspiration and Irrigation |
US8905963B2 (en) | 2010-08-05 | 2014-12-09 | Forsight Vision4, Inc. | Injector apparatus and method for drug delivery |
US9474756B2 (en) | 2014-08-08 | 2016-10-25 | Forsight Vision4, Inc. | Stable and soluble formulations of receptor tyrosine kinase inhibitors, and methods of preparation thereof |
US9492315B2 (en) | 2010-08-05 | 2016-11-15 | Forsight Vision4, Inc. | Implantable therapeutic device |
US9526654B2 (en) | 2013-03-28 | 2016-12-27 | Forsight Vision4, Inc. | Ophthalmic implant for delivering therapeutic substances |
US9549850B2 (en) | 2013-04-26 | 2017-01-24 | Novartis Ag | Partial venting system for occlusion surge mitigation |
US9561321B2 (en) | 2011-12-08 | 2017-02-07 | Alcon Research, Ltd. | Selectively moveable valve elements for aspiration and irrigation circuits |
EP3251706A1 (en) * | 2006-09-19 | 2017-12-06 | KCI Licensing, Inc. | Reduced pressure treatment system having blockage clearing and dual-zone pressure protection capabilities |
US9883968B2 (en) | 2011-09-16 | 2018-02-06 | Forsight Vision4, Inc. | Fluid exchange apparatus and methods |
US9968603B2 (en) | 2013-03-14 | 2018-05-15 | Forsight Vision4, Inc. | Systems for sustained intraocular delivery of low solubility compounds from a port delivery system implant |
US10010448B2 (en) | 2012-02-03 | 2018-07-03 | Forsight Vision4, Inc. | Insertion and removal methods and apparatus for therapeutic devices |
US10166142B2 (en) | 2010-01-29 | 2019-01-01 | Forsight Vision4, Inc. | Small molecule delivery with implantable therapeutic device |
US10258505B2 (en) | 2010-09-17 | 2019-04-16 | Alcon Research, Ltd. | Balanced phacoemulsification tip |
US10258503B2 (en) | 2014-07-15 | 2019-04-16 | Forsight Vision4, Inc. | Ocular implant delivery device and method |
CN109789034A (en) * | 2016-09-14 | 2019-05-21 | 德国弗里茨鲁克眼科系统有限公司 | For implementing the system of lens emulsification |
US10398592B2 (en) | 2011-06-28 | 2019-09-03 | Forsight Vision4, Inc. | Diagnostic methods and apparatus |
US10500091B2 (en) | 2014-11-10 | 2019-12-10 | Forsight Vision4, Inc. | Expandable drug delivery devices and methods of use |
US10617557B2 (en) | 2010-08-05 | 2020-04-14 | Forsight Vision4, Inc. | Combined drug delivery methods and apparatus |
US10765592B2 (en) | 2006-09-19 | 2020-09-08 | Kci Licensing, Inc. | System and method for determining a fill status of a canister of fluid in a reduced pressure treatment system |
US10874548B2 (en) | 2010-11-19 | 2020-12-29 | Forsight Vision4, Inc. | Therapeutic agent formulations for implanted devices |
US20210187173A1 (en) * | 2017-11-10 | 2021-06-24 | Crea Ip B.V. | Pressure control unit for an ophthalmic surgical system |
US11229732B2 (en) | 2006-09-19 | 2022-01-25 | Kci Licensing, Inc. | System and method for locating fluid leaks at a drape of a reduced pressure delivery system |
US11324878B2 (en) * | 2017-04-10 | 2022-05-10 | Coloplast A/S | Irrigation system with mechanical fluid pressure control |
US11419759B2 (en) | 2017-11-21 | 2022-08-23 | Forsight Vision4, Inc. | Fluid exchange apparatus for expandable port delivery system and methods of use |
US11432959B2 (en) | 2015-11-20 | 2022-09-06 | Forsight Vision4, Inc. | Porous structures for extended release drug delivery devices |
US11617680B2 (en) | 2016-04-05 | 2023-04-04 | Forsight Vision4, Inc. | Implantable ocular drug delivery devices |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5897524A (en) | 1997-03-24 | 1999-04-27 | Wortrich; Theodore S. | Compact cassette for ophthalmic surgery |
US6561999B1 (en) | 2000-09-29 | 2003-05-13 | Alcon Universal Ltd. | Surgical cassette and consumables for combined ophthalmic surgical procedure |
US7713237B2 (en) | 2005-09-28 | 2010-05-11 | Alcon, Inc. | Surgical cassette for intraocular pressure control |
US7326183B2 (en) | 2005-09-28 | 2008-02-05 | Alcon, Inc. | Intraocular pressure control |
US9119701B2 (en) | 2012-10-22 | 2015-09-01 | Alcon Research, Ltd. | Pressure control in phacoemulsification system |
US9119699B2 (en) | 2012-10-22 | 2015-09-01 | Alcon Research, Ltd. | Pressure control in phacoemulsification system |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3693613A (en) * | 1970-12-09 | 1972-09-26 | Cavitron Corp | Surgical handpiece and flow control system for use therewith |
US3732858A (en) * | 1968-09-16 | 1973-05-15 | Surgical Design Corp | Apparatus for removing blood clots, cataracts and other objects from the eye |
US3736938A (en) * | 1971-11-15 | 1973-06-05 | Nasa | Ophthalmic method and apparatus |
US3776238A (en) * | 1971-08-24 | 1973-12-04 | Univ California | Ophthalmic instrument |
US3809093A (en) * | 1972-04-14 | 1974-05-07 | S Abraham | Surgical tool |
US3812855A (en) * | 1971-12-15 | 1974-05-28 | Surgical Design Corp | System for controlling fluid and suction pressure |
US3815604A (en) * | 1972-06-19 | 1974-06-11 | Malley C O | Apparatus for intraocular surgery |
US3818913A (en) * | 1972-08-30 | 1974-06-25 | M Wallach | Surgical apparatus for removal of tissue |
-
1974
- 1974-01-28 US US437165A patent/US3902495A/en not_active Expired - Lifetime
-
1975
- 1975-01-17 CA CA218,129A patent/CA1068572A/en not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3732858A (en) * | 1968-09-16 | 1973-05-15 | Surgical Design Corp | Apparatus for removing blood clots, cataracts and other objects from the eye |
US3693613A (en) * | 1970-12-09 | 1972-09-26 | Cavitron Corp | Surgical handpiece and flow control system for use therewith |
US3776238A (en) * | 1971-08-24 | 1973-12-04 | Univ California | Ophthalmic instrument |
US3736938A (en) * | 1971-11-15 | 1973-06-05 | Nasa | Ophthalmic method and apparatus |
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CA1068572A (en) | 1979-12-25 |
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