EP1764154B1 - Vorrichtung zum Zerkleinern von biologischem Probematerial - Google Patents

Vorrichtung zum Zerkleinern von biologischem Probematerial Download PDF

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Publication number
EP1764154B1
EP1764154B1 EP05020207A EP05020207A EP1764154B1 EP 1764154 B1 EP1764154 B1 EP 1764154B1 EP 05020207 A EP05020207 A EP 05020207A EP 05020207 A EP05020207 A EP 05020207A EP 1764154 B1 EP1764154 B1 EP 1764154B1
Authority
EP
European Patent Office
Prior art keywords
shaft
coupling
sample container
coupling member
constructed
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.)
Active
Application number
EP05020207A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1764154A1 (de
Inventor
Stefan Jenni
Daniel Krieg
Karsten Meissner
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.)
Prionics AG
Original Assignee
Prionics AG
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
Priority to EP05020207A priority Critical patent/EP1764154B1/de
Application filed by Prionics AG filed Critical Prionics AG
Priority to AT05020207T priority patent/ATE385853T1/de
Priority to DE502005002844T priority patent/DE502005002844D1/de
Priority to ES05020207T priority patent/ES2299933T3/es
Priority to AU2006294111A priority patent/AU2006294111B2/en
Priority to US12/066,979 priority patent/US7980500B2/en
Priority to PCT/EP2006/008329 priority patent/WO2007033748A1/de
Priority to CN2006800310196A priority patent/CN101247891B/zh
Priority to CA2622138A priority patent/CA2622138C/en
Publication of EP1764154A1 publication Critical patent/EP1764154A1/de
Application granted granted Critical
Publication of EP1764154B1 publication Critical patent/EP1764154B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • Generic devices are used in the investigation of particular solid biological sample material. It may be e.g. to body tissue samples but also other sample material of biological origin act, having solid components.
  • sample material is homogenized, for example in a buffer or the like.
  • a comminution of the sample material must be carried out prior to examination.
  • a generic, used in particular for crushing and homogenization of bovine brain tissue in the context of BSE tests device is, for example from the WO 02/48679 known.
  • the known device has a sample container with a shaft rotatably disposed therein.
  • the shaft is supported by a working end on the bottom of the sample container.
  • a cutting device with several laterally protruding blades is provided on the shaft, which comminute sample material located during rotation of the shaft in the sample container.
  • an externally accessible coupling piece is provided, which can be brought into clutch engagement with a coupling counterpart of a separate rotary drive device.
  • the rotary drive device is designed so that it can rotate the shaft with a relatively high number of revolutions (about 20,000 rpm).
  • a disadvantage of the known device is that despite the ball bearing in operation, an increased friction occurs in the region of the working end of the shaft, which can lead to difficulties.
  • the object of the invention is, starting from the prior art to provide a device in which the shaft can be rotated with the least possible friction.
  • the device according to the invention has, like the known device, a sample container in which a shaft is arranged to be rotatable and axially displaceable.
  • the shaft has a working end that can contact the bottom of the sample container when the shaft is at rest.
  • a laterally projecting cutting device In the area of the working end, a laterally projecting cutting device is provided, which comminutes the sample material during rotation of the shaft.
  • the cutter may include one or more blades projecting laterally from the shaft. The blades can continue to be provided in different height ranges of the shaft.
  • the indication "area of the end of work” is relatively broad. Essentially, this means that the cutting device is arranged in a region of the shaft which dips into the sample material during normal workup.
  • the shaft further has a coupling end on which a coupling piece is provided, which can be brought into coupling engagement with the counterpart of a separate rotary drive device.
  • the term coupling piece or coupling counterpart is to be understood. It may be one or more formed on the respective components and coordinated surfaces and / or shapes, etc.
  • the shaft is guided laterally and axially displaceable in the sample container.
  • a lateral guide is provided in the region of the coupling end of the shaft.
  • An axial displacement of the shaft towards its coupling end may e.g. be limited by a formed on the shaft stop or the like.
  • a movement of the shaft in the opposite direction is z.b. bounded by the bottom of the sample container.
  • the coupling piece and the counterpart coupling piece are designed to produce a coupling engagement that is positive in the direction of rotation and permits a displacement of the shaft in the axial direction.
  • the invention provides that the laterally arranged on the shaft cutter is propeller-shaped such that it exerts a propulsive force on the shaft in the direction of the coupling end upon rotation of the shaft in the working direction.
  • the shaft and with it the cutting device are rotated in the working direction and begin to comminute the sample material.
  • a driving force acting on the shaft builds up depending on the surrounding medium from a certain number of revolutions the shaft axially in the direction of the rotary drive means, which is possible due to the inventive design of coupling piece and coupling counterpart. This increases the distance of the working end of the shaft to the bottom of the sample container, with the Consequence that the working end can rotate without contact to the ground, thus without friction.
  • the corresponding design of the cutting device is not a problem for the expert. It is sufficient to provide the blade or blades of the cutting device with a corresponding inclination or leading edges to produce the necessary buoyancy. It may be a laterally projecting cutting device with a blade or multiple blades that protrude laterally at a height or different heights of the shaft.
  • shaft rotates without axial support of its working end on the bottom of the sample container.
  • this can lead to the shaft swinging out laterally undesirably on contact of the cutting device with the sample material.
  • a preferred embodiment provides that a bush is provided on the bottom of the sample container for lateral guidance of the working end of the shaft.
  • the provided at the coupling end of the shaft coupling piece one or more laterally projecting in Has longitudinally extending projections.
  • two projections for example projecting on opposite sides of the shaft, are provided whose upper edges have different distances from the coupling end.
  • a tilting between the coupling piece and coupling counterpart can be particularly reliably avoided.
  • a seal of the opening can be achieved in a particularly simple manner by forming a shaft arranged on the circumferential projection.
  • the projection is dimensioned and positioned on the shaft so that it can rest against the passage opening in the direction of the coupling end during the axial displacement of the shaft during operation.
  • the projection thus also serves as a stop which limits an axial displacement of the shaft.
  • the figure shows a sample container 10, which has a lower cup-shaped region 11 with a bottom 12, and an upper part 13 which is placed on the cup-shaped part 11.
  • a shaft 14 is rotatably arranged and displaceable in the axial direction.
  • the shaft has a working end 15.
  • a cutting device 16 is provided, which has several laterally projecting blades 17 in the case shown.
  • the other end of the shaft 14 is formed as a coupling end 18 and has an externally accessible coupling piece, in the form of two laterally of the shaft 14 protruding in the longitudinal direction extending projections 19 and 190 is formed.
  • the shaft 14 With its coupling end 18, the shaft 14 can be brought into engagement with an only indicated separate rotary drive device 20 having a corresponding coupling counterpart.
  • the region of the coupling counterpart which engages with projection 19 is designated in the figure by 21.
  • the projections 19 and 190 extend differently far in the direction of the coupling end 18 of the shaft 14, whereby tilting in the coupling counterpart can be avoided.
  • the shaft 14 may experience a displacement in which the working end 15 moves away from the bottom 12 of the sample container 10.
  • the displacement is limited by a projection 24 formed circumferentially around the shaft, which serves as a stop and, in the stop position, at the same time seals a passage opening 30 provided in the upper part 13 of the sample container 10 for the shaft 14.
  • a projection 14 which encircles the shaft 14 is formed, with which the shaft 14 is guided laterally.
  • a bushing 25 is further provided on the bottom 12 of the sample container 10, which ensures a lateral guidance of the shaft 14 in this area.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)
EP05020207A 2005-09-16 2005-09-16 Vorrichtung zum Zerkleinern von biologischem Probematerial Active EP1764154B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT05020207T ATE385853T1 (de) 2005-09-16 2005-09-16 Vorrichtung zum zerkleinern von biologischem probematerial
DE502005002844T DE502005002844D1 (de) 2005-09-16 2005-09-16 Vorrichtung zum Zerkleinern von biologischem Probematerial
ES05020207T ES2299933T3 (es) 2005-09-16 2005-09-16 Dispositivo para triturar material de muestras biologicas.
EP05020207A EP1764154B1 (de) 2005-09-16 2005-09-16 Vorrichtung zum Zerkleinern von biologischem Probematerial
AU2006294111A AU2006294111B2 (en) 2005-09-16 2006-08-25 Apparatus for cutting up biological sample material
US12/066,979 US7980500B2 (en) 2005-09-16 2006-08-25 Apparatus for cutting up biological sample material
PCT/EP2006/008329 WO2007033748A1 (de) 2005-09-16 2006-08-25 Vorrichtung zum zerkleinern von biologischem probematerial
CN2006800310196A CN101247891B (zh) 2005-09-16 2006-08-25 用于粉碎生物试样材料的设备
CA2622138A CA2622138C (en) 2005-09-16 2006-08-25 Apparatus for cutting up biological sample material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05020207A EP1764154B1 (de) 2005-09-16 2005-09-16 Vorrichtung zum Zerkleinern von biologischem Probematerial

Publications (2)

Publication Number Publication Date
EP1764154A1 EP1764154A1 (de) 2007-03-21
EP1764154B1 true EP1764154B1 (de) 2008-02-13

Family

ID=35708988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05020207A Active EP1764154B1 (de) 2005-09-16 2005-09-16 Vorrichtung zum Zerkleinern von biologischem Probematerial

Country Status (9)

Country Link
US (1) US7980500B2 (zh)
EP (1) EP1764154B1 (zh)
CN (1) CN101247891B (zh)
AT (1) ATE385853T1 (zh)
AU (1) AU2006294111B2 (zh)
CA (1) CA2622138C (zh)
DE (1) DE502005002844D1 (zh)
ES (1) ES2299933T3 (zh)
WO (1) WO2007033748A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2925066B1 (fr) * 2007-12-18 2014-12-19 Bertin Technologies Sa Dispositif de broyage d'un echantillon biologique
DE202009003995U1 (de) * 2009-03-25 2010-08-19 Hugo Vogelsang Maschinenbau Gmbh Schneidvorrichtung
CN101653740B (zh) * 2009-09-04 2011-03-02 宁波新芝生物科技股份有限公司 一种无菌研磨器
US9700857B1 (en) 2012-03-23 2017-07-11 Life Technologies Corporation Fluid mixing system with drive shaft steady support
US20170096628A1 (en) * 2014-04-14 2017-04-06 Enevor Inc. Conical Impeller and Applications Thereof
CN105618237B (zh) * 2016-02-29 2019-03-22 常州坚鹏建材有限公司 适用于热矿加工设备的破碎部件抗磨损装置
CN107700628A (zh) * 2017-06-14 2018-02-16 广西南宁尼科安全技术服务有限公司 一种高效的水利设备
CN107185665B (zh) * 2017-06-27 2022-11-22 北京东兴堂科技发展有限公司 中草药破碎压片器
DK180133B1 (en) * 2018-11-07 2020-06-09 Atline Aps Device for automated and contamination-free sampling and analysis
US11033295B2 (en) 2019-05-06 2021-06-15 Tissuemill Technologies Llc Atraumatically formed tissue composition, devices and methods of preparation and treatment
US20210260593A1 (en) * 2020-02-24 2021-08-26 Kims Industry Heated herbal grinder and method therefor

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
BE552321A (zh) * 1950-05-24
GB1038153A (en) * 1963-05-23 1966-08-10 Torrance And Sons Ltd Method of and apparatus for grinding or grinding and dispersing materials comprisingsolid particles in a liquid
GB1197583A (en) * 1967-07-17 1970-07-08 Andrew Szegvari Method of and Apparatus for Grinding Solid Particles
US3556414A (en) * 1968-02-28 1971-01-19 United States Banknote Corp Method and apparatus for disrupting cells
DE2825639C3 (de) * 1978-06-12 1981-08-27 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Einrichtung zum Granulieren von Kunststoffschmelzen und plastischen Massen
US4307846A (en) * 1979-10-09 1981-12-29 Spelsberg Thomas C Continuous flow tissue homogenizer
US4394981A (en) * 1980-07-25 1983-07-26 Schold George R Apparatus for dispersing finely divided solid particles in a liquid vehicle with a mechanism for reducing screen clogging
US4505433A (en) * 1982-09-28 1985-03-19 Selenke William M Tissue grinding and transporting device
US4561156A (en) * 1983-06-09 1985-12-31 Sun Ting Zui Roller for sugar cane squeezing mills
IT1260682B (it) * 1993-09-28 1996-04-22 Consult T S S N C Di Roggero G Dispositivo trituratore meccanico di materiale biologico
US5533683A (en) * 1993-12-09 1996-07-09 Biomedical Polymers, Inc. Tissue grinding system
US6405948B1 (en) * 1997-07-18 2002-06-18 Pulsewave Llc Liberating intracellular matter from biological material
US5829696A (en) * 1997-08-27 1998-11-03 Michelle S. DeStefano Sealed grinding and homogenizing apparatus
US6517561B1 (en) * 2000-10-16 2003-02-11 Robert E. Phillips Motorized specimen cutter
IT1320860B1 (it) 2000-12-13 2003-12-10 Consul T S S R L Apparecchiatura per il trattamento di disgregazione di campionibiologici e dispositivo disgregatore per l'impiego in detta
US7370819B2 (en) * 2006-05-15 2008-05-13 Advanced Analytical Technologies, Inc. Device and method for grinding biological samples

Also Published As

Publication number Publication date
AU2006294111B2 (en) 2010-08-05
DE502005002844D1 (de) 2008-03-27
EP1764154A1 (de) 2007-03-21
ATE385853T1 (de) 2008-03-15
CN101247891B (zh) 2010-05-19
CA2622138C (en) 2013-12-17
US20080208234A1 (en) 2008-08-28
WO2007033748A1 (de) 2007-03-29
CN101247891A (zh) 2008-08-20
CA2622138A1 (en) 2007-03-29
US7980500B2 (en) 2011-07-19
AU2006294111A1 (en) 2007-03-29
ES2299933T3 (es) 2008-06-01

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