DE69316360T2 - Pumpenkopf mit verjüngender rampe zur pulsationsreduzierung - Google Patents

Pumpenkopf mit verjüngender rampe zur pulsationsreduzierung

Info

Publication number
DE69316360T2
DE69316360T2 DE69316360T DE69316360T DE69316360T2 DE 69316360 T2 DE69316360 T2 DE 69316360T2 DE 69316360 T DE69316360 T DE 69316360T DE 69316360 T DE69316360 T DE 69316360T DE 69316360 T2 DE69316360 T2 DE 69316360T2
Authority
DE
Germany
Prior art keywords
pump head
tube
pulsation reduction
rollers
tapering ramp
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
Application number
DE69316360T
Other languages
English (en)
Other versions
DE69316360D1 (de
Inventor
Frank Zanger
Tim Surber
Susanne Roslon
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.)
Johnson and Johnson Surgical Vision Inc
Original Assignee
Allergan Inc
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 Allergan Inc filed Critical Allergan Inc
Application granted granted Critical
Publication of DE69316360D1 publication Critical patent/DE69316360D1/de
Publication of DE69316360T2 publication Critical patent/DE69316360T2/de
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
    • 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
    • F04B43/1284—Means for pushing the backing-plate against the tubular flexible member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Pipe Accessories (AREA)
  • Rotary Pumps (AREA)
DE69316360T 1992-06-03 1993-05-27 Pumpenkopf mit verjüngender rampe zur pulsationsreduzierung Expired - Lifetime DE69316360T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/892,788 US5230614A (en) 1992-06-03 1992-06-03 Reduced pulsation tapered ramp pump head
PCT/US1993/005064 WO1993024755A1 (en) 1992-06-03 1993-05-27 Reduced pulsation tapered ramp pump head

Publications (2)

Publication Number Publication Date
DE69316360D1 DE69316360D1 (de) 1998-02-19
DE69316360T2 true DE69316360T2 (de) 1998-08-13

Family

ID=25400484

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69316360T Expired - Lifetime DE69316360T2 (de) 1992-06-03 1993-05-27 Pumpenkopf mit verjüngender rampe zur pulsationsreduzierung

Country Status (8)

Country Link
US (1) US5230614A (de)
EP (1) EP0643808B1 (de)
JP (1) JP3380874B2 (de)
AT (1) ATE162275T1 (de)
AU (1) AU4395593A (de)
CA (1) CA2136015A1 (de)
DE (1) DE69316360T2 (de)
WO (1) WO1993024755A1 (de)

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US20080015515A1 (en) * 2006-06-29 2008-01-17 Mark Alan Hopkins Top and bottom clamping for a surgical cassette
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Also Published As

Publication number Publication date
JP3380874B2 (ja) 2003-02-24
AU4395593A (en) 1993-12-30
EP0643808A1 (de) 1995-03-22
EP0643808B1 (de) 1998-01-14
US5230614A (en) 1993-07-27
DE69316360D1 (de) 1998-02-19
ATE162275T1 (de) 1998-01-15
CA2136015A1 (en) 1993-12-09
JPH07507612A (ja) 1995-08-24
WO1993024755A1 (en) 1993-12-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ADVANCED MEDICAL OPTICS, INC., SANTA ANA, CALIF.,

8327 Change in the person/name/address of the patent owner

Owner name: ABBOTT MEDICAL OPTICS INC. (N.D. GES.D. STAATE, US