CA2316640A1 - Liquid venting surgical system and cassette - Google Patents

Liquid venting surgical system and cassette Download PDF

Info

Publication number
CA2316640A1
CA2316640A1 CA002316640A CA2316640A CA2316640A1 CA 2316640 A1 CA2316640 A1 CA 2316640A1 CA 002316640 A CA002316640 A CA 002316640A CA 2316640 A CA2316640 A CA 2316640A CA 2316640 A1 CA2316640 A1 CA 2316640A1
Authority
CA
Canada
Prior art keywords
aspiration
line
collection chamber
cassette
surgical system
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.)
Granted
Application number
CA002316640A
Other languages
French (fr)
Other versions
CA2316640C (en
Inventor
Michael D. Morgan
Gary P. Sorensen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcon Inc
Original Assignee
Alcon Universal Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcon Universal Ltd filed Critical Alcon Universal Ltd
Publication of CA2316640A1 publication Critical patent/CA2316640A1/en
Application granted granted Critical
Publication of CA2316640C publication Critical patent/CA2316640C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • A61M1/74—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
    • 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
    • A61M1/72—Cassettes forming partially or totally the fluid circuit
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
    • A61M2205/123—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit with incorporated reservoirs
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3337—Controlling, regulating pressure or flow by means of a valve by-passing a pump

Abstract

A surgical system having a cassette with an aspirant collection chamber and an aspiration vent line that draws fluid from the aspirant collection chamber. The pressure within the collection chamber is maintained near ambient so that when the aspiration vent line is open, fluid flows from the collection chamber and into the aspiration line. Such a system does not require a second source of irrigation fluid, minimizes pressure surges into the irrigation fluid line and does not affect the fluidic performance of the aspiration system. In addition, various vent pressures can be achieved by varying the vertical position of the reservoir relative to the aspiration line.
CA002316640A 1999-08-31 2000-08-24 Liquid venting surgical system and cassette Expired - Lifetime CA2316640C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/387,357 1999-08-31
US09/387,357 US6261283B1 (en) 1999-08-31 1999-08-31 Liquid venting surgical system and cassette

Publications (2)

Publication Number Publication Date
CA2316640A1 true CA2316640A1 (en) 2001-02-28
CA2316640C CA2316640C (en) 2007-02-27

Family

ID=23529529

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002316640A Expired - Lifetime CA2316640C (en) 1999-08-31 2000-08-24 Liquid venting surgical system and cassette

Country Status (13)

Country Link
US (2) US6261283B1 (en)
EP (1) EP1080739B1 (en)
JP (1) JP3803535B2 (en)
AR (1) AR024729A1 (en)
AT (1) ATE261320T1 (en)
AU (1) AU765364B2 (en)
BR (1) BR0003881B1 (en)
CA (1) CA2316640C (en)
DE (1) DE60008823T2 (en)
DK (1) DK1080739T3 (en)
ES (1) ES2216813T3 (en)
MX (1) MXPA00006670A (en)
PT (1) PT1080739E (en)

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US9861522B2 (en) 2009-12-08 2018-01-09 Alcon Research, Ltd. Phacoemulsification hand piece with integrated aspiration pump
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
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

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PT1080739E (en) 2004-06-30
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US6261283B1 (en) 2001-07-17
US6632214B2 (en) 2003-10-14
DK1080739T3 (en) 2004-07-12
JP3803535B2 (en) 2006-08-02
JP2001079031A (en) 2001-03-27
BR0003881A (en) 2001-04-03
AU4258400A (en) 2001-03-08
MXPA00006670A (en) 2002-03-08
ATE261320T1 (en) 2004-03-15
CA2316640C (en) 2007-02-27
BR0003881B1 (en) 2009-01-13
EP1080739B1 (en) 2004-03-10
US20010004684A1 (en) 2001-06-21
DE60008823D1 (en) 2004-04-15
AR024729A1 (en) 2002-10-23
EP1080739A2 (en) 2001-03-07
ES2216813T3 (en) 2004-11-01
AU765364B2 (en) 2003-09-18

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