CA2520877A1 - Disposable fluid delivery system - Google Patents

Disposable fluid delivery system Download PDF

Info

Publication number
CA2520877A1
CA2520877A1 CA002520877A CA2520877A CA2520877A1 CA 2520877 A1 CA2520877 A1 CA 2520877A1 CA 002520877 A CA002520877 A CA 002520877A CA 2520877 A CA2520877 A CA 2520877A CA 2520877 A1 CA2520877 A1 CA 2520877A1
Authority
CA
Canada
Prior art keywords
fluid
delivery system
fluid delivery
pump housing
flexible tubing
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
CA002520877A
Other languages
French (fr)
Other versions
CA2520877C (en
Inventor
Edward J. Paukovits, Jr.
Janet J. Hoffner
Richard V. Spong
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.)
Assistive Technology Products Inc
Original Assignee
Assistive Technology Products, Inc.
Edward J. Paukovits, Jr.
Janet J. Hoffner
Richard V. Spong
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 Assistive Technology Products, Inc., Edward J. Paukovits, Jr., Janet J. Hoffner, Richard V. Spong filed Critical Assistive Technology Products, Inc.
Publication of CA2520877A1 publication Critical patent/CA2520877A1/en
Application granted granted Critical
Publication of CA2520877C publication Critical patent/CA2520877C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/025—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir
    • F04B23/026—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir a pump-side forming a wall of the reservoir
    • 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
    • F04B43/0009—Special features
    • F04B43/0054—Special features particularities of the flexible members
    • F04B43/0072—Special features particularities of the flexible members of tubular flexible members
    • 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

Abstract

A fluid delivery system is provided having a disposable fluid reservoir that is integral with, and supported by, a pump housing. A peristaltic pump head is mounted within the pump housing. A length of flexible tubing is operatively engaged by the peristaltic pump, and includes a first end arranged in flow communication with the fluid reservoir and an accessible second end. A central portion of the tube is operatively engaged by the peristaltic pump head so that consecutive portions of the flexible tubing are successively collapsed to thereby propel fluid through the tubing so as to exit the second end. The disposable cartridge is preferably mateable with a recess in a base housing. A
transmission system is mounted within the recess of the base housing and arranged to operatively engage the peristaltic pump head. A control module is disposed in control communication with the transmission system for selective operation of the fluid delivery system.

Claims (28)

1. A disposable cartridge for a fluid delivery system comprising:
a fluid reservoir integral with and supported by a pump housing;
a peristaltic pump mounted within said pump housing; and a length of flexible tubing having a first end arranged in flow communication with said fluid reservoir, an accessible second end, and a central portion operatively engaging said peristaltic pump so that consecutive portions of said flexible tubing are successively collapsed to thereby propel fluid within said passageway through said tubing so as to exit said second end.
2. A disposable cartridge for a fluid delivery system according to claim 1 wherein said fluid reservoir comprises an open ended receptacle capable of supporting a predetermined quantity of fluid.
3. A disposable cartridge for a fluid delivery system according to claim 1 wherein said fluid reservoir comprises an open ended receptacle that supports a fluid delivery bag containing said fluid and arranged in fluid flow communication with said length of flexible tubing.
4. A disposable cartridge for a fluid delivery system according to claim 1 wherein said pump housing is formed as an open ended receptacle disposed under said fluid reservoir and including a curved, interior wall formed as a course along which said fluid is conveyed within a portion of said length of flexible tubing.
5. A disposable cartridge for a fluid delivery system according to claim 4 wherein said curved, interior wall defines an arc.
6. A disposable cartridge for a fluid delivery system according to claim 4 wherein said fluid reservoir and said pump housing are integrally formed with one another so that a common wall separates fluid reservoir from pump housing.
7. A disposable cartridge for a fluid delivery system according to claim 6 wherein said common wall includes at least one through-hole that allows for fluid communication between interior portions of said fluid reservoir and said pump housing.
8. A disposable cartridge for a fluid delivery system according to claim 1 wherein said peristaltic pump comprises a rotor including a central spindle having a top flange positioned at one end and a bottom flange positioned at another end in spaced relation to said top flange wherein each of said top and bottom flanges have a plurality of slots defined in their edges and arranged in circumferentially spaced relation to one another.
9. A disposable cartridge for a fluid delivery system according to claim 8 wherein said rotor includes a plurality of rollers are rotatably mounted between said top flange and said bottom flange within said slots and operatively engaging consecutive portions of said length of flexible tubing.
10. A disposable cartridge for a fluid delivery system according to claim 8 wherein said central spindle includes a blind hole that is defined along a longitudinal axis of said rotor, and including a pair of diametrically opposed teeth that project radially inwardly from a surface of said central spindle that defines said blind hold.
11. A disposable cartridge for a fluid delivery system according to claim wherein each of said teeth includes a chamfered top.
12. A fluid delivery system comprising:
a fluid reservoir integral with and supported by a pump housing;
a peristaltic pump head mounted within said pump housing;
a length of flexible tubing having a first end arranged in flow communication with said fluid reservoir, an accessible second end, and a central portion operatively engaging said peristaltic pump head so that consecutive portions of said flexible tubing are successively collapsed to thereby propel fluid within said passageway through said tubing so as to exit said second end;
a base housing including a recess sized to accept a portion of said pump housing;
a transmission system mounted within said recess and arranged to operatively engage said peristaltic pump; and a control module disposed in control communication with said transmission system.
13. A fluid delivery system according to claim 12 wherein said transmission system includes a drive shaft projecting outwardly from a gear system that is mounted to a support block disposed within said recess wherein said transmission system is operatively powered by a motor.
14. A fluid delivery system according to claim 13 wherein said transmission system includes a drive shaft having a gear pin projecting from a first end and a key projecting from a second end wherein said gear pin is operatively connected to a portion of said transmission system and said key comprises a pair of substantially identical blades that are arranged in back-to-back, off-set relation to one another on said second end of said drive shaft.
15. A fluid delivery system according to claim 14 wherein each said blade includes a downwardly inclined top surface and a tooth engagement side surface.
16. A fluid delivery system according to claim 8 wherein said fluid reservoir comprises an open ended receptacle that supports a fluid delivery bag containing said fluid and arranged in fluid flow communication with said length of flexible tubing.
17. A fluid delivery system according to claim 12 wherein said pump housing is formed as an open ended receptacle disposed under said fluid reservoir and including a curved, interior wall formed as a course along which said fluid is conveyed within a portion of said length of flexible tubing and said peristaltic pump head comprises a rotor positioned adjacent to said curved, interior wall and including a central spindle having a top flange positioned at one end and a bottom flange positioned at another end in spaced relation to said top flange wherein each of said top and bottom flanges have a plurality of slots defined in their edges and arranged in circumferentially spaced relation to one another and including a plurality of rollers rotatably mounted between said top flange and said bottom flange within said slots and operatively engaging consecutive portions of said length of flexible tubing.
18. A fluid delivery system according to claim 17 wherein said curved, interior wall defines an arc.
19. A fluid delivery system according to claim 17 wherein said central spindle includes a blind hole that is defined along a longitudinal axis of said rotor, and including a pair of diametrically opposed teeth that project radially inwardly from a surface of said central spindle that defines said blind hold.
20. A fluid delivery system according to claim 19 wherein each of said teeth includes a chamfered top.
21. A fluid delivery system according to claim 17 wherein said length of flexible tubing includes a head end disposed in fluid communication with said fluid reservoir and a trail end that exits said pump housing.
22. A fluid delivery system according to claim 21 wherein said central portion is positioned between said curved interior wall and said rollers.
23. A fluid delivery system comprising:
a fluid reservoir integral with and supported by a pump housing;
a peristaltic pump head mounted within said pump housing wherein said pump housing is formed as an open ended receptacle disposed under said fluid reservoir and including a curved, interior wall formed as a course along which said fluid is conveyed within a portion of a length of flexible tubing positioned adjacent to said curved wall, and wherein said peristaltic pump head comprises a rotor positioned adjacent to said curved wall and including a central spindle having a top flange positioned at one end and a bottom flange positioned at another end in spaced relation to said top flange wherein each of said top and bottom flanges have a plurality of slots defined in their edges and arranged in circumferentially spaced relation to one another and including a plurality of rollers rotatably mounted between said top flange and said bottom flange within said slots and operatively engaging consecutive portions of said length of flexible tubing;

said length of flexible tubing having a first end arranged in flow communication with said fluid reservoir through a filtration assembly, an accessible second end, and a central portion operatively engaging said peristaltic pump head so that consecutive portions of said flexible tubing are successively collapsed to thereby propel fluid within said passageway through said tubing so as to exit said second end;
a base housing including a recess sized to accept a portion of said pump housing;
a transmission system mounted within said recess and arranged to operatively engage said peristaltic pump head; and a control module disposed in control communication with said transmission system.
24. A fluid delivery system according to claim 23 wherein said filtration assembly is positioned within said pump housing, and includes a base that supports a filter medium and a cover formed integrally with said pump housing.
25. A fluid delivery system according to claim 24 wherein said base includes a central opening that leads to a head opening through a passageway having an interface fitting that is positioned at said head opening so as to provide for interconnection with an open end of said flexible tubing.
26. A fluid delivery system according to claim 25 wherein said filter medium comprises a closed, hollow dome shape with a diameter at an open end that is smaller than the diameter of said base and said cover has a shape and size that complement the shape and size of said filter medium.
27. A fluid delivery system according to claim 26 wherein an opening is defined in a top portion of said cover to allow filtration assembly to be arranged in flow communication with the interior of said fluid reservoir.
28. A fluid delivery system according to claim 26 wherein said filter medium slowly releases silver ions when filtering a fluid from said fluid reservoir.
CA002520877A 2003-03-31 2004-03-29 Disposable fluid delivery system Expired - Fee Related CA2520877C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/404,963 2003-03-31
US10/404,963 US6890161B2 (en) 2003-03-31 2003-03-31 Disposable fluid delivery system
PCT/US2004/009469 WO2004088136A2 (en) 2003-03-31 2004-03-29 Disposable fluid delivery system

Publications (2)

Publication Number Publication Date
CA2520877A1 true CA2520877A1 (en) 2004-10-14
CA2520877C CA2520877C (en) 2009-12-22

Family

ID=32990226

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002520877A Expired - Fee Related CA2520877C (en) 2003-03-31 2004-03-29 Disposable fluid delivery system

Country Status (6)

Country Link
US (1) US6890161B2 (en)
AU (1) AU2004225503B2 (en)
CA (1) CA2520877C (en)
DE (1) DE112004000538T5 (en)
GB (1) GB2414772A (en)
WO (1) WO2004088136A2 (en)

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Also Published As

Publication number Publication date
AU2004225503A1 (en) 2004-10-14
GB2414772A (en) 2005-12-07
CA2520877C (en) 2009-12-22
WO2004088136A2 (en) 2004-10-14
WO2004088136A3 (en) 2005-03-17
AU2004225503B2 (en) 2007-03-15
GB0519845D0 (en) 2005-11-09
US6890161B2 (en) 2005-05-10
US20040191086A1 (en) 2004-09-30
DE112004000538T5 (en) 2006-01-19

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Effective date: 20160329