WO2005031167A1 - Pompe peristaltique - Google Patents

Pompe peristaltique Download PDF

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Publication number
WO2005031167A1
WO2005031167A1 PCT/CH2004/000391 CH2004000391W WO2005031167A1 WO 2005031167 A1 WO2005031167 A1 WO 2005031167A1 CH 2004000391 W CH2004000391 W CH 2004000391W WO 2005031167 A1 WO2005031167 A1 WO 2005031167A1
Authority
WO
WIPO (PCT)
Prior art keywords
bed body
rotor
pump according
hose
pump
Prior art date
Application number
PCT/CH2004/000391
Other languages
German (de)
English (en)
Inventor
Stephan Michels
René Fässler
Corinne SCHÄRER
Daniel Saxer
Original Assignee
Ismatec Sa, Laboratoriumstechnik
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34383945&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2005031167(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ismatec Sa, Laboratoriumstechnik filed Critical Ismatec Sa, Laboratoriumstechnik
Priority to DE502004006604T priority Critical patent/DE502004006604D1/de
Priority to EP04738032A priority patent/EP1668249B1/fr
Priority to US10/573,276 priority patent/US20070148010A1/en
Publication of WO2005031167A1 publication Critical patent/WO2005031167A1/fr

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

Definitions

  • the invention relates to a peristaltic pump according to the preamble of claim 1.
  • Peristaltic pumps of the type in question are known in principle. They are used to pump a wide variety of liquid or gaseous media.
  • a fundamental disadvantage of the peristaltic pumps is that their delivery volume is not constant, but pulsates more or less.
  • the torque to be applied by the drive motor per rotor revolution is also subject to certain fluctuations, which is of course also undesirable.
  • a hose pump of the generic type is known from DE 198 14 943 A1.
  • the pump is provided with a pump housing in which the pump hose and a rotor provided with two constricting means in the form of rollers are arranged.
  • the two constricting means lie diametrically opposite one another.
  • the object of the present invention is to improve a pump designed in accordance with the preamble of claim 1 in such a way that it enables low-pulsation delivery, is low-wear and has a high degree of efficiency that commercially available hoses can be used and that the drive motor per rotor revolution torque peaks to be applied are minimized.
  • Figure 1 is an exploded view of the peristaltic pump.
  • FIG. 2 shows the assembled pump according to FIG. 1 in a first cross section
  • FIG. 3 shows the assembled pump according to FIG. 1 in a further cross section.
  • FIG. 1 shows a six-channel peristaltic pump in an exploded view.
  • the pump essentially consists of a support frame 1, a hose receptacle 2, a rotor 3 and a connecting element 4 with six hose sections 43 arranged thereon.
  • a gearwheel 5 provided for coupling to a drive motor (not shown) is also shown.
  • the dimensionally stable support frame 1 forms, together with the hose receptacle 2, the actual housing of the pump.
  • two bearing bushes 11 are arranged on the support frame 1.
  • the two end faces of the support frame 1 are formed by plates 12 which are provided with slots 15a, 15b for fixing the support frame 1 or the entire pump.
  • the support frame 1 is provided on both sides with a plurality of slot-shaped recesses 13, in which locking elements 22 of the hose receptacle 2 can be clamped, as will be explained in more detail below.
  • the hose receptacle 2 has an essentially omega-shaped hose bed body 25 which extends on the inside coaxially to the axis of rotation of the rotor 3 over approximately 130 ° in the form of a circular arc and forms a hose bed.
  • omega-shaped means that the tubular bed body 25 essentially has the shape of a large omega (ü).
  • the tubular bed body 25 forms two legs 2a, 2b, which transition from the inside to the outside in a smooth transition from a concave to a convex shape.
  • the tube bed is divided into six sections by groove-shaped recesses 21, which serve to accommodate the flexible tube sections 43.
  • the tubular bed body 25 could be provided with a largely smooth inside.
  • the two legs 2a, 2b of the tube bed body 25 are provided on the outside with locking lugs 22, by means of which the tube receptacle 2 can be fixed to the slot-shaped recesses 13 of the support frame 1.
  • Radially extending reinforcing ribs 23 and axially extending reinforcing ribs 24 are provided on the outside of the tubular bed body 25.
  • the radially extending reinforcing ribs 23 extend approximately 180 ° over the outside of the tubular bed body 25.
  • tubular receptacle 2 is dimensioned such that the two legs 2a, 2b of the tubular bed body 25 are resiliently resilient in the radial direction at the end and a quick fixing of the tubular receptacle 2 enable in the sense of a snap connection on the support frame 1.
  • the rotor 3 consists of a rotor body 31 which is provided with a central axis 32 which is inserted into the bearing bushes 11 of the support frame 1.
  • Three conveyor rollers 33 in the form of rollers are rotatably mounted on the rotor body 31.
  • the rotor body 3 is preferably made of plastic, while the central axis 32 and the conveyor rollers 33 are preferably made of metal.
  • connection element 4 consists of a base element 41 to which twelve pipe sections 42 are fastened. A total of six flexible hose sections 43 are arranged on the upper parts of these pipe sections 41, which, after the pump has been assembled, lie against the inside of the hose bed body 25 and can be squeezed off by the conveyor rollers 33 for the peristaltic conveying of a medium. It goes without saying that the design of the inlet and outlet area is not limited to a six-channel pump, but the number of channels can be varied practically as desired.
  • the individual parts shown can be assembled into a pump in a few simple steps, by first fastening the individual hose sections 43 to the connecting element 4 and then inserting the rotor 3 from the side into the hose sections 43 forming the loops.
  • the hose receptacle 2 is then set up in a U-shape and the rotor 3, together with the connecting element 4 and the hose sections 43 connected to it, is pushed in from above.
  • the support frame 1 is put on and a pressure is exerted so that the axis 32 of the rotor 3 and the locking lugs 22 snap into place.
  • the connection element 4 is fixed on the support frame 1.
  • the connection element 4 is fastened by means of screws.
  • connection element 4 can be used to fasten the connecting element 4 Snap connection, which enables a quick fixation of the connection element 4 on the support frame 1.
  • the entire assembly of the pump can be done very quickly and without the aid of tools from one side, which is an advantage in automatic production.
  • FIG. 2 shows a first cross section through the assembled pump.
  • This illustration shows, in particular, the rotor body 31 together with the three conveyor rollers 33a, 33b, 33c, which are rotatably arranged thereon and roll on the respective hose section 43, the hose receptacle 2 with the omega-shaped hose bed body 25 and the radial and axial reinforcing ribs 23, 24.
  • the reinforcing ribs 23, 24 ensure that the hose holder 2 is dimensionally stable and does not deform during operation under the load on the conveyor rollers 33a, 33b, 33c.
  • the area provided with the reference number 35 represents the inlet area, while the area provided with the reference number 36 forms the outlet area 36 of the pump.
  • the omega-shaped design of the tubular bed body 25 with a "soft" inlet and outlet area ensures a continuous and low-pulsation peristaltic conveying of the respective medium.
  • Another advantage of the soft inlet and outlet is the reduction of torque peaks, which would put a load on the engine and transmission.
  • the pump can be operated both clockwise and counterclockwise.
  • a soft or continuous inlet and outlet area means that both the inlet area 35 and the outlet area 36 are designed in such a way that the conveying-effective hose cross-section is continuously reduced or enlarged by the conveying roller 33a, 33c rolling on the respective flexible hose section 43. It is important in this context that the tubular bed body 25 is manufactured precisely and has a high degree of dimensional accuracy during operation, so that the predetermined distances between the conveyor roller 33a, 33b, 33c and tubular bed body 25 are maintained.
  • a continuous inlet and outlet area 35, 36 results in further advantages, for example by minimizing the torque fluctuations that occur during the rotation of the rotor 3.
  • This is further favored by the fact that the rotor 3 is provided with three conveyor rollers 33a, 33b, 33c and the inlet area 35 is offset from the outlet area 36 by approximately 240 ° about the axis of rotation of the rotor 3, so that the first conveyor roller 33a is approximately in the middle of the inlet area 35 when the third conveyor roller 33c is approximately in the middle of the outlet area 36.
  • the pump Since the pump is designed symmetrically, it can also be bidirectional, i.e. can be operated in both directions. 2 also shows that the respective hose section 43 in the inlet area 35 and in the outlet area 36 is not completely squeezed, while after the inlet area 35 it is completely squeezed out by the corresponding conveyor roller 33b and enables peristaltic conveyance of the respective medium , A pump designed in this way is also particularly suitable for conveying liquid media such as blood, which is gentle on the lines, since the blood cells are spared by the specific design of the inlet and outlet areas 35, 36.
  • hose receptacle 2 with a dimensionally stable hose bed body 25 and resiliently flexible legs 2a, 2b enables a very quick and simple assembly by simply clipping the hose receptacle 2 onto the supporting frame.
  • the legs 2a, 2b have to be resilient for the assembly, the tubular bed body 25 must maintain a high dimensional stability and a precise geometry after fixing. Among other things, this achieved in that the resiliently flexible parts are positioned and stiffened on the support frame 1 by means of external positive support.
  • FIG. 3 which shows the assembled pump in a cross section between two hose sections 43, shows in particular the clamping fixation of the hose bed body 25 on the support frame 1.
  • the locking elements 22 arranged on the outside of the tubular bed body 25 engage in the slot-shaped recesses 13 in the support frame 1.
  • the latching elements 22 also engage in a form-fitting manner on an upper web 14 of the supporting frame 1 that delimits the slot-shaped recesses 13.
  • the legs 2a, 2b of the tubular bed body 25 are positively supported on the outside by the web 14 of the supporting frame 1.
  • This design also ensures in particular the precise maintenance of the optimized distances between the conveyor rollers 33a, 33b, 33c and the tubular bed body 25.
  • the individual, elastic tube sections 43 additionally support the fixing of the tube bed body 25 to the support frame 1, since the conveyor rollers 33a, 33b, 33c of the rotor 3 load the tube bed body 25 in the radial direction via the tube sections 43, so that its fixing to the support frame 1 is additionally supported ,
  • the connection element 4 is designed and matched to the hose receptacle 2 and the rotor 3 in such a way that the individual hose section 43 is guided substantially tangentially into and out of the hose bed body 25 of the hose receptacle 2.
  • the tubular bed body 25 must wrap around the rotor 3 at least to such an extent that at least one conveyor roller 33a, 33b 33c is always active, i.e. engages with the respective hose section and squeezes it.
  • the minimum wrap or the minimum wrap angle can be calculated as follows:
  • the wrap is calculated using the following formula:
  • the calculated wrap is to be understood as a minimum dimension.
  • the wrap is preferably chosen to be approximately 10 ° larger than the wrap angle calculated according to the preceding formula. Wrapping is to be understood as that part of the hose bed which coaxially encompasses the rotor.
  • a pump designed according to the invention enables low-pulsation delivery, that it has a high degree of efficiency, is low-wear and is subject to low torque fluctuations.
  • it is simple and compact, consists of a few parts, can be assembled quickly and without tools from one assembly direction, so that it is particularly suitable for automatic production.
  • the housing of the pump consisting of the support frame 1 and hose receptacle 2 has a high degree of shape retention and stability after assembly.
  • the pump can also be operated bidirectionally and used universally. It is also particularly suitable for the cell-friendly delivery of liquids such as blood.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

L'invention concerne une pompe péristaltique multicanal. Le boîtier est constitué d'un cadre porteur (1) indéformable et d'un logement de tuyau (2) fixé sur le cadre porteur par encliquetage. Un rotor (3), pourvu de trois rouleaux de transport (33a, 33b, 33c) rotatifs, est monté sur le cadre porteur (1). Le logement de tuyau (2) est doté d'un corps de base (25) qui est destiné au tuyau et forme sur la face interne une base de tuyau et aux extrémités deux branches (2a, 2b). La base de tuyau reçoit des sections flexibles (43) du tuyau, ces sections pouvant être écrasées pour le transport péristaltique d'un agent par le/les rouleau(x) de transport (33a, 33b, 33c). Les deux branches (2a, 2b) sont souples de manière élastique dans la direction radiale pour être encliquetées sur le cadre porteur (1). Le corps de base (25) destiné au tuyau a une forme sensiblement oméga et est pourvu d'une zone d'entrée et de sortie continue qui assure le transport péristaltique pauvre en impulsions de l'agent concerné. La pompe est compacte, elle comprend peu de pièces détachées et est facile et rapide à assembler.
PCT/CH2004/000391 2003-09-26 2004-06-25 Pompe peristaltique WO2005031167A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE502004006604T DE502004006604D1 (de) 2003-09-26 2004-06-25 Peristaltische pumpe
EP04738032A EP1668249B1 (fr) 2003-09-26 2004-06-25 Pompe peristaltique
US10/573,276 US20070148010A1 (en) 2003-09-26 2004-06-25 Peristaltic pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1636/03 2003-09-26
CH16362003 2003-09-26

Publications (1)

Publication Number Publication Date
WO2005031167A1 true WO2005031167A1 (fr) 2005-04-07

Family

ID=34383945

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2004/000391 WO2005031167A1 (fr) 2003-09-26 2004-06-25 Pompe peristaltique

Country Status (5)

Country Link
US (1) US20070148010A1 (fr)
EP (1) EP1668249B1 (fr)
AT (1) ATE389805T1 (fr)
DE (1) DE502004006604D1 (fr)
WO (1) WO2005031167A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007136821A1 (fr) * 2006-05-22 2007-11-29 Biovest International Inc. Système de circulation de milieu pour un module de matériel de culture cellulaire
US9902928B2 (en) 2012-08-28 2018-02-27 Biovest International, Inc. Biomanufacturing suite and methods for large-scale production of cells, viruses, and biomolecules
US10093956B2 (en) 2011-06-10 2018-10-09 Biovest International, Inc. Method and apparatus for antibody production and purification
CN115628206A (zh) * 2022-09-27 2023-01-20 深圳华星恒泰泵阀有限公司 一种便于管道限位的多组连接型蠕动泵

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8062008B2 (en) 2007-09-27 2011-11-22 Curlin Medical Inc. Peristaltic pump and removable cassette therefor
US7934912B2 (en) 2007-09-27 2011-05-03 Curlin Medical Inc Peristaltic pump assembly with cassette and mounting pin arrangement
US8083503B2 (en) 2007-09-27 2011-12-27 Curlin Medical Inc. Peristaltic pump assembly and regulator therefor
CN103470466B (zh) 2007-12-10 2016-08-17 拜耳医疗保健公司 连续的流体输送系统和方法
GB2460025B (en) 2008-05-09 2010-04-28 Brightwell Dispensers Ltd Peristaltic pump with removable tube
US8292604B2 (en) * 2009-05-01 2012-10-23 Xerox Corporation Peristaltic pump
CN102686884B (zh) 2009-11-12 2015-05-20 株式会社威尔科 管式泵和管稳定器
JP6680786B2 (ja) 2015-01-08 2020-04-15 セコ・エッセ・ピ・アＳｅｋｏ Ｓ．Ｐ．Ａ． ペリスタルティック・ポンプ、特に、ペリスタルティック・ドージングポンプ
ES2689667T3 (es) 2015-01-08 2018-11-15 Seko S.P.A. Bomba peristáltica
KR102528289B1 (ko) 2015-01-09 2023-05-03 바이엘 헬쓰케어 엘엘씨 다회 사용 1회용 세트를 갖는 다중 유체 전달 시스템 및 그 특징부

Citations (5)

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US3011684A (en) * 1959-01-13 1961-12-05 Ernest R Corneil Liquid dispensing machine
US4552516A (en) * 1984-06-15 1985-11-12 Cole-Parmer Instrument Company Peristaltic pump
US4604038A (en) * 1985-03-08 1986-08-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Remotely operable peristaltic pump
DE19814943A1 (de) * 1998-04-03 1999-10-07 Thomas Moldenhauer Schlauchpumpe
DE20109803U1 (de) * 2001-06-12 2002-10-24 Fresenius HemoCare GmbH, 61352 Bad Homburg Pumpenbett für eine Rollenpumpe

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US3832096A (en) * 1971-03-03 1974-08-27 Buchler Instr Multitube peristaltic pump with individual programming control
US3756752A (en) * 1971-12-20 1973-09-04 G Stenner Peristaltic pump
DE3320091A1 (de) * 1983-06-03 1984-12-06 Streicher, Irmgard, 7141 Beilstein Schlauchpumpe
US4568255A (en) * 1984-11-16 1986-02-04 Armour Pharmaceutical Peristaltic roller pump
US4631008A (en) * 1985-11-04 1986-12-23 G. H. Stenner & Co., Inc. Peristaltic pump housing
US5256041A (en) * 1993-02-05 1993-10-26 Auto-Chlor System, Incorporated Peristaltic pump arrangement
US5349825A (en) * 1993-05-18 1994-09-27 H. C. Duke & Son, Inc. System and method for dispensing a confectionery product using a peristaltic pump
US5460493A (en) * 1993-11-17 1995-10-24 Baxter International Inc. Organizer frame for holding an array of flexible tubing in alignment with one or more peristaltic pump rotors
EP0668443B1 (fr) * 1994-02-16 1997-12-10 Stöckert Instrumente GmbH Pompe à galets pour machines cardiopulmonaires
FR2719873A1 (fr) * 1994-05-11 1995-11-17 Debiotech Sa Dispositif de pompe péristaltique.
US5846061A (en) * 1996-11-08 1998-12-08 Board Of Trustees Of Michigan State University Peristaltic metering pump
ATE278107T1 (de) * 1999-05-12 2004-10-15 G John Andersen Peristaltische fluidpumpe
US6494693B1 (en) * 2000-10-23 2002-12-17 Cole-Parmer Instrument Company Peristatic pump
US7118203B2 (en) * 2003-08-25 2006-10-10 Hewlett-Packard Development Company, L.P. Peristaltic pump

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3011684A (en) * 1959-01-13 1961-12-05 Ernest R Corneil Liquid dispensing machine
US4552516A (en) * 1984-06-15 1985-11-12 Cole-Parmer Instrument Company Peristaltic pump
US4604038A (en) * 1985-03-08 1986-08-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Remotely operable peristaltic pump
DE19814943A1 (de) * 1998-04-03 1999-10-07 Thomas Moldenhauer Schlauchpumpe
DE20109803U1 (de) * 2001-06-12 2002-10-24 Fresenius HemoCare GmbH, 61352 Bad Homburg Pumpenbett für eine Rollenpumpe

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007136821A1 (fr) * 2006-05-22 2007-11-29 Biovest International Inc. Système de circulation de milieu pour un module de matériel de culture cellulaire
US8383397B2 (en) 2006-05-22 2013-02-26 Biovest International, Inc. Method and system for the production of cells and cell products and applications thereof
US8540499B2 (en) 2006-05-22 2013-09-24 Biovest International, Inc. Extra-capillary fluid cycling system and method for a cell culture device
US9441195B2 (en) 2006-05-22 2016-09-13 Biovest International, Inc. Method and system for the production of cells and cell products and applications thereof
US9534198B2 (en) 2006-05-22 2017-01-03 Biovest International, Inc. Extra-capillary fluid cycling system and method for a cell culture device
US10723993B2 (en) 2006-05-22 2020-07-28 Biovest International, Inc. Method and system for the production of cells and cell products and applications thereof
US11345882B2 (en) 2006-05-22 2022-05-31 Biovest International, Inc. Extra-capillary fluid cycling system and method for a cell culture device
US10093956B2 (en) 2011-06-10 2018-10-09 Biovest International, Inc. Method and apparatus for antibody production and purification
US10570434B2 (en) 2011-06-10 2020-02-25 Biovest International, Inc. Method and apparatus for antibody production and purification
US9902928B2 (en) 2012-08-28 2018-02-27 Biovest International, Inc. Biomanufacturing suite and methods for large-scale production of cells, viruses, and biomolecules
US10662401B2 (en) 2012-08-28 2020-05-26 Biovest International, Inc. Biomanufacturing suite and methods for large-scale production of cells, viruses, and biomolecules
CN115628206A (zh) * 2022-09-27 2023-01-20 深圳华星恒泰泵阀有限公司 一种便于管道限位的多组连接型蠕动泵

Also Published As

Publication number Publication date
EP1668249B1 (fr) 2008-03-19
US20070148010A1 (en) 2007-06-28
EP1668249A1 (fr) 2006-06-14
ATE389805T1 (de) 2008-04-15
DE502004006604D1 (de) 2008-04-30

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