EP1794453A1 - Device for fixing a tube for peristaltic cassette - Google Patents
Device for fixing a tube for peristaltic cassetteInfo
- Publication number
- EP1794453A1 EP1794453A1 EP05784766A EP05784766A EP1794453A1 EP 1794453 A1 EP1794453 A1 EP 1794453A1 EP 05784766 A EP05784766 A EP 05784766A EP 05784766 A EP05784766 A EP 05784766A EP 1794453 A1 EP1794453 A1 EP 1794453A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- housing
- cassette
- housings
- peristaltic
- 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
Links
- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 239000003292 glue Substances 0.000 claims description 2
- 230000002028 premature Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F04B43/0009—Special features
- F04B43/0054—Special features particularities of the flexible members
- F04B43/0072—Special features particularities of the flexible members of tubular flexible members
Definitions
- the present invention is in the field of medical peristaltic systems.
- a peristaltic cassette system includes a housing having a housing for receiving a tube portion and rollers.
- a peristaltic cassette requires a compressive force of the tube by the rollers sufficient to ensure the tightness of the volume of liquid between two rollers. This force, associated with the rotation of the rollers driven by the motor shaft, can cause longitudinal sliding of the tube in the housing housing.
- the housing comprises tube attachment means arranged along the tube housing so as to prevent the longitudinal displacement of a tube which would be disposed in said housing.
- the invention is also characterized in that the tube attachment means are adapted to withstand a pressure greater than 2 bar. By opting for such a resistance, it limits considerably the traction that could exert the tube on elements of the peristaltic cassette, p. ex. clips.
- peristaltic tube Various means for fixing the peristaltic tube can be envisaged.
- bonding the use of an injected profiled tube, welding, vulcanization or melting of material (for example by ultrasound).
- Figure 1 shows an open cassette case before gluing.
- Figure 2 illustrates the different bonding positions.
- Figure 3 shows a profiled tube.
- Figure 4 shows a graph for the operation of a conventional cassette with respect to flow accuracy.
- Fig. 5 shows a graph for the operation of a conventional cassette with regard to the pressure of the cassette.
- Figure 6 shows a graph for the operation of a glued tube cassette with respect to flow accuracy.
- Fig. 7 shows a graph for the operation of a cassette with a sticky tube as regards the pressure of the cassette.
- the casing of the cassette has 5 cavities along the raceway defining 5 bonding areas of the tube on the housing. 5 corresponding openings allow the introduction of the glue.
- Bonding is carried out in two stages, closed box, with the rollers and the motor shaft guaranteeing the position of the tube and its adhesion to the raceway (see Figure 2). This bonding also ensures the closure of the two half-casings of the cassette.
- Fixing the tube on the casing of the cassette can also be achieved by providing the tube with a profile having a longitudinal section, cut or not, allowing its attachment by clamping between the two half-casings of the cassette (see Figure 3) .
- the invention was tested on a cassette by gluing the tube.
- a first series of preliminary tests showed a noticeable improvement in performance as shown by the flow and output pressure curves shown on graphs 1 to 4.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- External Artificial Organs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH15592004 | 2004-09-23 | ||
PCT/IB2005/053093 WO2006033076A1 (en) | 2004-09-23 | 2005-09-20 | Device for fixing a tube for peristaltic cassette |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1794453A1 true EP1794453A1 (en) | 2007-06-13 |
EP1794453B1 EP1794453B1 (en) | 2008-07-09 |
Family
ID=34974193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05784766A Active EP1794453B1 (en) | 2004-09-23 | 2005-09-20 | Device for fixing a tube for peristaltic cassette |
Country Status (7)
Country | Link |
---|---|
US (1) | US8062009B2 (en) |
EP (1) | EP1794453B1 (en) |
JP (1) | JP4862111B2 (en) |
CN (1) | CN100572809C (en) |
AT (1) | ATE400741T1 (en) |
DE (1) | DE602005008085D1 (en) |
WO (1) | WO2006033076A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9759210B1 (en) | 2010-06-08 | 2017-09-12 | Stenner Pump Company, Inc. | Peristaltic pump head and related methods |
EP2758096A4 (en) | 2011-09-21 | 2015-07-01 | Bayer Medical Care Inc | Continuous multi-fluid delivery system and method |
JP5924019B2 (en) * | 2012-02-14 | 2016-05-25 | 株式会社ジェイ・エム・エス | Semi-solid injection device |
EP2708251B1 (en) | 2012-09-17 | 2019-02-06 | Micrel Medical Devices S.A. | Infusion rotary peristaltic pump |
AU2014277993A1 (en) | 2013-06-14 | 2016-01-21 | Bayer Healthcare, Llc. | Portable fluid delivery system |
NZ722989A (en) | 2014-01-10 | 2018-10-26 | Bayer Healthcare Llc | Single-use disposable set connector |
KR102528289B1 (en) | 2015-01-09 | 2023-05-03 | 바이엘 헬쓰케어 엘엘씨 | Multiple fluid delivery systems with multiple use disposable sets and features thereof |
TWI651107B (en) | 2016-06-15 | 2019-02-21 | 拜耳保健公司 | Multi-use disposable system and syringe therefor |
WO2019105872A1 (en) | 2017-11-28 | 2019-06-06 | Bracco Injeneering S.A. | Injection system |
JP7405585B2 (en) * | 2019-12-04 | 2023-12-26 | テルモ株式会社 | Medical pump module and medical pump |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB769789A (en) | 1955-06-08 | 1957-03-13 | Neil Mackinnon Macdonald | Improvements in or relating to rotary pumps or compressors |
US3674383A (en) * | 1969-09-05 | 1972-07-04 | Frank Iles | Pumps |
ZA78674B (en) * | 1978-02-09 | 1979-09-26 | Ethor Ltd | Dispensing of fluent materials |
US5342181A (en) | 1992-06-15 | 1994-08-30 | Datascope Investment Corp. | Single roller blood pump and pump/oxygenator system using same |
GB2349431B (en) | 1999-04-29 | 2002-06-12 | Watson Marlow Ltd | Peristaltic pumps |
US6494693B1 (en) | 2000-10-23 | 2002-12-17 | Cole-Parmer Instrument Company | Peristatic pump |
US20040073177A1 (en) * | 2002-05-16 | 2004-04-15 | Scott Laboratories, Inc. | Kits of medical supplies for sedation and analgesia |
US7074021B2 (en) * | 2003-05-12 | 2006-07-11 | Byrne Medical, Inc. | Cartridge to be used with a peristaltic pump |
-
2005
- 2005-08-20 US US11/662,333 patent/US8062009B2/en not_active Expired - Fee Related
- 2005-09-20 WO PCT/IB2005/053093 patent/WO2006033076A1/en active IP Right Grant
- 2005-09-20 AT AT05784766T patent/ATE400741T1/en not_active IP Right Cessation
- 2005-09-20 DE DE602005008085T patent/DE602005008085D1/en active Active
- 2005-09-20 JP JP2007533039A patent/JP4862111B2/en active Active
- 2005-09-20 CN CNB2005800307220A patent/CN100572809C/en active Active
- 2005-09-20 EP EP05784766A patent/EP1794453B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2006033076A1 * |
Also Published As
Publication number | Publication date |
---|---|
US8062009B2 (en) | 2011-11-22 |
US20080069711A1 (en) | 2008-03-20 |
WO2006033076A1 (en) | 2006-03-30 |
DE602005008085D1 (en) | 2008-08-21 |
JP4862111B2 (en) | 2012-01-25 |
JP2008513684A (en) | 2008-05-01 |
CN100572809C (en) | 2009-12-23 |
EP1794453B1 (en) | 2008-07-09 |
ATE400741T1 (en) | 2008-07-15 |
CN101018951A (en) | 2007-08-15 |
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