EP1119416B1 - Centrifugeuse et son mode de fonctionnement - Google Patents

Centrifugeuse et son mode de fonctionnement Download PDF

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Publication number
EP1119416B1
EP1119416B1 EP99947433A EP99947433A EP1119416B1 EP 1119416 B1 EP1119416 B1 EP 1119416B1 EP 99947433 A EP99947433 A EP 99947433A EP 99947433 A EP99947433 A EP 99947433A EP 1119416 B1 EP1119416 B1 EP 1119416B1
Authority
EP
European Patent Office
Prior art keywords
centrifuge
bag
wall
vessel
centrifuge according
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
EP99947433A
Other languages
German (de)
English (en)
Other versions
EP1119416A1 (fr
Inventor
Wilfried Mackel
Werner Kohlstette
Thomas Kleimann
Willi Niemerg
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.)
GEA Mechanical Equipment GmbH
Original Assignee
Westfalia Separator GmbH
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 Westfalia Separator GmbH filed Critical Westfalia Separator GmbH
Publication of EP1119416A1 publication Critical patent/EP1119416A1/fr
Application granted granted Critical
Publication of EP1119416B1 publication Critical patent/EP1119416B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/04—Periodical feeding or discharging; Control arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/04—Periodical feeding or discharging; Control arrangements therefor
    • B04B11/05—Base discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/02—Casings; Lids

Definitions

  • the present invention relates to a centrifuge according to the preamble of claim 1 and a method for operating the centrifuge according to the preamble of claim 11.
  • the US 5,328,441 shows a centrifuge, the operation of which after centrifuging the Solids from the centrifuged material first drain the liquid from the centrifuge drum and then by means of a device specially designed for this purpose Solid is peeled out of the centrifuge drum. The solids are below the centrifuge drum in an undetectable way.
  • a generic centrifuge is known from DE-U-85 33 545.2, in this centrifuge solid particles are collected in a bag.
  • Another centrifuge of this type is known from DE 35 42 134 A1.
  • the invention aims to provide a To create a centrifuge and a method for operating the centrifuge, with which a Largely loss-free and particularly problem-free extraction of solids from a centrifugal material how blood can be achieved with an increased hygiene standard.
  • the invention achieves this goal in terms of the centrifuge through the subject of Claim 1 and in view of the method for operating the centrifuge through the object of claim 1.
  • a container for collecting a part of the the centrifuge delivered components, in particular the solid, provided, in the container uses a bag to hold the solids from the centrifuge drum
  • the bag needs one Filling or spinning process only removed together with its contents from the container to become. Loss of solids when emptying the container is avoided.
  • the interior of the bag is a pressure-equalizing hose and / or Pipeline connected to the space surrounding the bag, which is preferably in the Near the axis of rotation of the centrifuge drum, the interior of the bag opens into the room underneath the centrifuge drum the rotates due to the friction surfaces of the drum Air that surrounds the drum. This rotation creates due to the centrifugal forces a pressure increase from the inside (axis of rotation) to the outside. Since there is also space in the interior - So in the area of the axis of rotation - is connected to the ambient pressure overpressure on the outside of the inside of the bag, causing the bag to be "stretched” and pressed against the walls surrounding it, so that a particularly problem-free Filling the bag is possible.
  • the hose or pipeline is preferably from the interior of the bag into the intermediate space passed between the outer bag and the inner wall of the container. If the pressure in the container is now reduced when spinning, in order to start the spinning process Performing a vacuum is sufficient for the pressure drop created by the rotation of the drum to open the bag. The low pressure also makes sterile easier Handling the centrifuged material.
  • the hose or Provide the pipeline with a shut-off valve is closed to one Contact of the solids with the ambient air after increasing the pressure in the container to avoid a spin cycle.
  • Fig. 1 shows a centrifuge 1 with a housing 3, on which the drive unit 5 of a centrifuge drum 7 is arranged. Lines 9 allow the supply and discharge of one Centrifuged goods such as blood in the centrifuge drum 7, which in this into the components Liquid and solids should be separated.
  • the centrifuge drum 7 projects into a container arranged on the underside of the housing 3 11, which has a cylindrical container section closed at the bottom like a cup 13 which can be attached pressure-tight to an upper container end 15.
  • the Container closure 15 has a stepped ring 17 on the outer wall in the closed Condition of the container 11, the inner wall of the opening area of the cup-like Container section 13 abuts, between the stepped ring 17 and the lower Container section 13, a sealing ring 19 is arranged.
  • the container closure 15 will completed by a sealing ring 21 lying inside the ring 17 with an inflatable one Sealing chamber 23, which is in the inflated state on the inner wall of the stepped Ring 17 creates and by an insert ring lying on the inner wall of the sealing ring 21 25 for the separator drum 7, the one lower cylindrical portion 25a, one adjoining this upwards, tapering section 25b and one includes upper cylindrical portion 25c, which on top of the lower wall 3a of the Housing 3 abuts, which covers the container 11 upwards.
  • the space enclosed by the lower and upper container sections 13, 15 can be assisted a pump (not shown here) can be evacuated, so that the actual spinning process can take place under negative pressure.
  • the lower container section 13 is first used a suitable lifting device (not shown here) is lowered (see FIG. 2) wherein the plastic tube 33 is pulled down from the receiving space 35. Then the plastic hose 33 below the jacket 27 and above the container section 13 compressed and in two closely adjacent areas, for example welded like a line (arrows a and b), so that a lower end for one upper plastic bag a and an upper end for a lower bag 37b formed becomes. The two bags 37a and 37b are now separated from each other in the area of arrow c Cut. Further, after the lower bag 37b is taken out of the lower container section 13 the lower container section is raised and pressure-tight over the Ring 17 out.
  • a suitable lifting device not shown here
  • the centrifuge drum protruding into the upper bag opening during its Rotation creates a pressure drop inside the bag. Because the interior of the bag 37a, in which the centrifuge drum rotates, near the axis of rotation of the drum by means of a hose and pipe 39 with the space 41 between the outer wall of the bag and the inner wall of the container 11 is connected, the bag is enclosed Rotations of the drum against the surrounding walls. The solid therefore arrives during the spin into the bag without any problems. Damage to the bag are safely avoided.
  • the hose and pipeline 39 can be equipped with a shut-off valve 43 be provided to seal the solids in the bag 37 against the ambient air.
  • the hose and pipe run from the inner wall of the conical Section 25b of the insert ring 25 through the housing 3, then by a below the housing 3 ring 45 and by engaging in the ring 45 Ring 17 to space 41.

Landscapes

  • Centrifugal Separators (AREA)
  • External Artificial Organs (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Sampling And Sample Adjustment (AREA)

Claims (11)

  1. Centrifugeuse avec un panier de centrifugeuse (7) destinée à séparer un produit centrifugé, en particulier du sang, en composants différents, en particulier en liquide et matière solide, avec un récipient (11), dans lequel est utilisée une poche (37) destinée à recevoir au moins une partie des composants rendus par le panier de centrifugeuse (7), en particulier la matière solide, caractérisée en ce que l'intérieur de la poche (37) est relié sur l'axe de rotation ou à proximité de l'axe de rotation du panier de centrifugeuse (7) par un tuyau flexible ou et/ou un tube (39) à la chambre (41) entourant la poche (37).
  2. Centrifugeuse selon la revendication 1, caractérisée en ce que le tuyau flexible et/ou le tube (39) est amené de l'intérieur de la poche dans l'espace intermédiaire (41) entre la paroi extérieure de la poche (37) et la paroi intérieure du récipient (11).
  3. Centrifugeuse selon la revendication 2, caractérisée en ce que le tuyau flexible ou le tube (39) est pourvu d'une soupape d'arrêt (43).
  4. Centrifugeuse selon l'une des revendications précédentes, caractérisée en ce que le récipient (11) comporte une partie inférieure de récipient (13) qui peut être placée de manière étanche contre une extrémité supérieure du récipient (15), le panier de centrifugeuse (7) dépassant de l'extrémité supérieure du récipient (15) dans la partie intérieure du récipient (11) ainsi que dans une ouverture supérieure de la poche (37).
  5. Centrifugeuse selon l'une des revendications précédentes, caractérisée en ce que le récipient (11) est pourvu d'un revêtement circulaire (27) s'étendant essentiellement parallèlement à sa paroi extérieure.
  6. Centrifugeuse selon l'une des revendications précédentes, caractérisée en ce que le revêtement (27) comporte une paroi double qui peut être traversée par un liquide de refroidissement.
  7. Centrifugeuse selon l'une des revendications précédentes, caractérisée par un espace de réception annulaire destiné à recevoir un tuyau flexible (33), à partir duquel la poche en matière plastique (37) peut être formée par la séparation des parties du tuyau et la fermeture des extrémités ouvertes des parties du tuyau.
  8. Centrifugeuse selon l'une des revendications précédentes, caractérisée par un dispositif de fermeture qui est posé pour fermer les parties du tuyau en deux zones juxtaposées.
  9. Centrifugeuse selon l'une des revendications précédentes, caractérisée par une pompe destinée à la production d'un vide dans le récipient (11).
  10. Centrifugeuse selon l'une des revendications précédentes. caractérisée par un joint d'étanchéité annulaire (21) avec une chambre étanche (23) gonflable avec laquelle le tuyau flexible en matière plastique (33) peut être pressé contre la paroi intérieure du revêtement (27).
  11. Procédé d'exploitation d'une centrifugeuse, en particulier d'exploitation d'une centrifugeuse avec les caractéristiques d'au moins l'une des revendications précédentes, dans lequel lors de la séparation des matières solides et des matières liquides, les matières solides sont reçues dans une poche fermée, caractérisé en ce que, lors de la séparation par rotation du panier de centrifugeuse dans l'espace intérieur de la poche, une chute de pression de l'extérieur vers l'intérieur se produit, laquelle chute resserre la poche.
EP99947433A 1998-10-09 1999-09-29 Centrifugeuse et son mode de fonctionnement Expired - Lifetime EP1119416B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19846535 1998-10-09
DE19846535A DE19846535C2 (de) 1998-10-09 1998-10-09 Zentrifuge
PCT/EP1999/007211 WO2000021679A1 (fr) 1998-10-09 1999-09-29 Centrifugeuse et son mode de fonctionnement

Publications (2)

Publication Number Publication Date
EP1119416A1 EP1119416A1 (fr) 2001-08-01
EP1119416B1 true EP1119416B1 (fr) 2003-04-16

Family

ID=7883920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99947433A Expired - Lifetime EP1119416B1 (fr) 1998-10-09 1999-09-29 Centrifugeuse et son mode de fonctionnement

Country Status (9)

Country Link
US (1) US6530871B1 (fr)
EP (1) EP1119416B1 (fr)
JP (1) JP3842972B2 (fr)
AT (1) ATE237407T1 (fr)
DE (2) DE19846535C2 (fr)
DK (1) DK1119416T3 (fr)
ES (1) ES2192079T3 (fr)
NO (1) NO315503B1 (fr)
WO (1) WO2000021679A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013100180A1 (de) 2012-03-26 2013-09-26 Gea Mechanical Equipment Gmbh Separatoranordnung
DE102012106648A1 (de) 2012-07-23 2014-01-23 Gea Mechanical Equipment Gmbh Separatoranordnung
DE102013101961A1 (de) 2013-02-27 2014-08-28 Gea Mechanical Equipment Gmbh Verfahren zur Verarbeitung brennbarer Produkte mit einer Separatoranordnung

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10135317A1 (de) * 2001-07-19 2003-01-30 Bayer Ag Umlenkring für eine selbstaustragende Zentrifuge
DE10139466A1 (de) 2001-08-10 2003-02-20 Bayer Ag Verfahren zur Abtrennung von Blutplasmapartikeln aus einer Blutplasmasuspension
SE533562C2 (sv) * 2009-03-06 2010-10-26 Alfa Laval Corp Ab Centrifugalseparator
US8469871B2 (en) 2010-11-19 2013-06-25 Kensey Nash Corporation Centrifuge
US8394006B2 (en) 2010-11-19 2013-03-12 Kensey Nash Corporation Centrifuge
US8317672B2 (en) 2010-11-19 2012-11-27 Kensey Nash Corporation Centrifuge method and apparatus
US8870733B2 (en) 2010-11-19 2014-10-28 Kensey Nash Corporation Centrifuge
US8556794B2 (en) 2010-11-19 2013-10-15 Kensey Nash Corporation Centrifuge
KR102502975B1 (ko) 2014-01-31 2023-02-23 디에스엠 아이피 어셋츠 비.브이. 지방 조직 원심 분리기 및 그 사용 방법
CN108341089B (zh) * 2017-01-24 2021-10-01 苏州奥特科然医疗科技有限公司 一种无菌传输装置及洁净环境下的包装系统
DE102017127015B4 (de) * 2017-11-16 2019-09-19 Sartorius Stedim Biotech Gmbh Vorrichtung zur Entnahme einer Probe aus einem Behälter
US11596955B2 (en) * 2017-12-22 2023-03-07 Tetra Laval Holdings & Finance S.A. Centrifugal separator for separating a liquid mixture, and method therefor
CN115025893B (zh) * 2022-08-11 2022-11-04 广州知力医学诊断技术有限公司 一种血液低温离心机、分离全血方法及洗涤红细胞方法

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US2179807A (en) * 1938-02-09 1939-11-14 Smith Corp A O Centrifugal vibrator
DE1872217U (de) * 1963-03-02 1963-05-16 Porsche Kg Luftverdichtende einspritzbrennkraftmaschine.
DE1882217U (de) * 1963-07-26 1963-11-07 Yngve Elof Holger Andersson Justiervorrichtung zum auswechseln eines rahmenkopfes, beispielsweise an einem pkw-fahrgestell.
US4397637A (en) * 1981-07-13 1983-08-09 The Garrett Corporation Apparatus and method for centrifuging
DE8533545U1 (de) * 1985-11-28 1986-01-30 Dürr-Dental GmbH & Co KG, 7120 Bietigheim-Bissingen Gerät zum Abscheiden von Feststoffpartikeln aus Abwasser
DE3542134A1 (de) * 1985-11-28 1987-06-04 Duerr Dental Gmbh Co Kg Geraet zum abscheiden feiner feststoffpartikel aus abwasser
JPS63224751A (ja) * 1987-03-16 1988-09-19 Brother Ind Ltd 厨芥処理機
US5328441A (en) * 1991-12-04 1994-07-12 Carr Engineering Associates, Inc. Imperforate bowl centrifugal separator with solids gate
SE9600713L (sv) * 1996-02-26 1997-10-17 Omega Medicinteknik Ab Metod för separering av celler, speciellt blodplättar och pås-set därför
US5916082A (en) * 1998-08-12 1999-06-29 Glassline Corporation Centrifugal separator with invertable bladder

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013100180A1 (de) 2012-03-26 2013-09-26 Gea Mechanical Equipment Gmbh Separatoranordnung
WO2013143985A2 (fr) 2012-03-26 2013-10-03 Gea Mechanical Equipment Gmbh Arrangement de séparateur
WO2013143985A3 (fr) * 2012-03-26 2014-06-26 Gea Mechanical Equipment Gmbh Arrangement de séparateur
CN104271249A (zh) * 2012-03-26 2015-01-07 Gea机械设备有限公司 分离器系统
CN104271249B (zh) * 2012-03-26 2016-07-06 Gea机械设备有限公司 分离器系统
US10105717B2 (en) 2012-03-26 2018-10-23 Gea Mechanical Equipment Gmbh Method for operating a separator with a drive chamber under negative pressure
DE102012106648A1 (de) 2012-07-23 2014-01-23 Gea Mechanical Equipment Gmbh Separatoranordnung
WO2014016125A1 (fr) 2012-07-23 2014-01-30 Gea Mechanical Equipment Gmbh Dispositif de séparation
US10029921B2 (en) 2012-07-23 2018-07-24 Gea Mechanical Equipment Gmbh Method for lowering the pressure inside the hood interior of a separator arrangement
DE102013101961A1 (de) 2013-02-27 2014-08-28 Gea Mechanical Equipment Gmbh Verfahren zur Verarbeitung brennbarer Produkte mit einer Separatoranordnung
EP2772310A2 (fr) 2013-02-27 2014-09-03 GEA Mechanical Equipment GmbH Procédé de traitement de produits combustibles à l'aide d'un système séparateur

Also Published As

Publication number Publication date
DE19846535A1 (de) 2000-04-20
US6530871B1 (en) 2003-03-11
EP1119416A1 (fr) 2001-08-01
DE19846535C2 (de) 2000-12-07
DK1119416T3 (da) 2003-08-04
NO20011750L (no) 2001-04-06
NO315503B1 (no) 2003-09-15
JP3842972B2 (ja) 2006-11-08
NO20011750D0 (no) 2001-04-06
ATE237407T1 (de) 2003-05-15
ES2192079T3 (es) 2003-09-16
WO2000021679A1 (fr) 2000-04-20
JP2002527224A (ja) 2002-08-27
DE59905101D1 (de) 2003-05-22

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