CA2323924A1 - Peristaltic pump and cassette - Google Patents

Peristaltic pump and cassette Download PDF

Info

Publication number
CA2323924A1
CA2323924A1 CA002323924A CA2323924A CA2323924A1 CA 2323924 A1 CA2323924 A1 CA 2323924A1 CA 002323924 A CA002323924 A CA 002323924A CA 2323924 A CA2323924 A CA 2323924A CA 2323924 A1 CA2323924 A1 CA 2323924A1
Authority
CA
Canada
Prior art keywords
peristaltic pump
cassette
rigid substrate
pump
elastomeric
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
CA002323924A
Other languages
French (fr)
Other versions
CA2323924C (en
Inventor
Gary P. Sorensen
Tamer Akkas
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 CA2323924A1 publication Critical patent/CA2323924A1/en
Application granted granted Critical
Publication of CA2323924C publication Critical patent/CA2323924C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F04B43/1269—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing the rotary axes of the rollers lying in a plane perpendicular to the rotary axis of the driving motor
    • 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
    • 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
    • A61M3/0201—Cassettes therefor
    • 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
    • A61M1/80—Suction pumps
    • A61M1/82—Membrane pumps, e.g. bulbs
    • 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

Abstract

A peristaltic pump having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The pump head rollers are mounted radially from the axis of rotation of the pump motor and compress the elastomeric flow channels against the rigid substrate.
CA002323924A 1999-11-10 2000-10-18 Peristaltic pump and cassette Expired - Lifetime CA2323924C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/437,392 1999-11-10
US09/437,392 US6293926B1 (en) 1999-11-10 1999-11-10 Peristaltic pump and cassette

Publications (2)

Publication Number Publication Date
CA2323924A1 true CA2323924A1 (en) 2001-05-10
CA2323924C CA2323924C (en) 2004-12-28

Family

ID=23736238

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002323924A Expired - Lifetime CA2323924C (en) 1999-11-10 2000-10-18 Peristaltic pump and cassette

Country Status (12)

Country Link
US (2) US6293926B1 (en)
EP (1) EP1099854B1 (en)
JP (1) JP3825240B2 (en)
AR (1) AR033347A1 (en)
AT (1) ATE217392T1 (en)
AU (1) AU751908B2 (en)
BR (1) BR0005321B1 (en)
CA (1) CA2323924C (en)
DE (1) DE60000160T2 (en)
DK (1) DK1099854T3 (en)
ES (1) ES2176160T3 (en)
PT (1) PT1099854E (en)

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DE60000160D1 (en) 2002-06-13
DE60000160T2 (en) 2002-12-12
EP1099854B1 (en) 2002-05-08
ES2176160T3 (en) 2002-12-01
JP3825240B2 (en) 2006-09-27
AR033347A1 (en) 2003-12-17
BR0005321A (en) 2001-06-12
AU751908B2 (en) 2002-08-29
CA2323924C (en) 2004-12-28
BR0005321B1 (en) 2009-01-13
US20010016711A1 (en) 2001-08-23
US6293926B1 (en) 2001-09-25
DK1099854T3 (en) 2002-08-26
PT1099854E (en) 2002-09-30
EP1099854A1 (en) 2001-05-16
US6572349B2 (en) 2003-06-03
AU6137200A (en) 2001-05-17
JP2001165054A (en) 2001-06-19
ATE217392T1 (en) 2002-05-15

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