EP1763636A1 - Rollenpumpe - Google Patents
RollenpumpeInfo
- Publication number
- EP1763636A1 EP1763636A1 EP05739618A EP05739618A EP1763636A1 EP 1763636 A1 EP1763636 A1 EP 1763636A1 EP 05739618 A EP05739618 A EP 05739618A EP 05739618 A EP05739618 A EP 05739618A EP 1763636 A1 EP1763636 A1 EP 1763636A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller pump
- hose
- pump according
- connecting piece
- bed
- 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
- 230000007704 transition Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000013022 venting 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
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
Definitions
- the invention consists of a roller pump according to the preamble of claim 1.
- roller pumps are known for example from US 4,545,544 A. They consist of a stator with a formed in this pump bed and a rotor for applying an arcuately insertable into the pump bed tube.
- a connecting piece with an incoming and a carrying away fluid hose.
- This fitting prevents slippage of the pump tubing segment during pumping.
- the preassembled tube segment is inserted laterally reversed.
- the pump hose segment is preformed arcuate. The incoming and leading away fluid hose, however, is led out of the connector in parallel.
- the object of the invention is to develop the generic roller pump such that liquid-carrying hoses can be used in a particularly space-saving manner.
- this object is achieved by the combination of the features of claim 1. Accordingly, there is a roller pump of a stator with a formed in this pump bed and a rotor for acting on an arcuately inserted into the pump bed tube, which led out of the pump bed ends of the tube intersect immediately after exiting the pump bed. This results in a pump segment in the form of a Greek alpha. Due to this design, the hoses can be continued directly below or next to the roller pump to save space, without the risk of kinking exists.
- the hose can be fixed by a connection piece in the roller pump.
- the inserted into the roller pump hose can be feasible through the connector and thus be formed as a one-piece hose.
- a separate piece of hose which can be inserted into the pump bed as well as the feeding or leading hose section can also be connected in the connecting piece.
- the connector can be advantageously designed as an adapter, the adapter can be used due to its shape in accordance with receiving recesses in the roller pump. By this respective form-fitting coding can be realized, which can be supported by a corresponding color.
- the receiving recesses of the adapter engage laterally in two Clips recordings, preferably different shape.
- the clip-in adapter is adapted to the shape of the clips.
- a device preferably a knob, is arranged on the adapter, which cooperates with a sensor integrated in the roller pump or in the housing forming the roller pump.
- the sensor confirms the functional insertion of the adapter in the appropriate place.
- the adapter consists of a soft plastic, preferably soft PVC.
- the advantages of the hose guide according to the invention are particularly advantageous when the connector is arranged laterally on the pump bed with horizontal alignment of the rotor axis.
- optimum ventilation of the tube segment can be achieved. Namely, it is ensured that air, which lies in the entrance area, rises by the buoyancy force. Even within the rise, the corresponding pinch rollers of the rotor engage in the hose segment lying in the pump bed and guarantee a forced conveyance of the corresponding air bubbles. It is similar at the exit of the hose segment. When the pinch rollers release the hose segment, the entrained air is already in the rising area of the hose segment. As a result, there is no force driving the air back into the pump.
- the roller pump has a control unit which determines the corresponding direction of rotation of the rotor as a function of the lateral orientation of the connection piece.
- the rotor is counterclockwise Turned when the hoses cross on the right side and clockwise when the hoses cross on the left side.
- the insertable into the roller pump hose can also be connected to a connector, which is designed as an integrated cassette.
- the invention also relates to a hose set with a connecting piece, as described above, as well as a tube to be inserted into the pump bed and connected to the connecting piece.
- the invention also relates to a connection piece which can be used in a roller pump according to the invention.
- FIG. 1 is a schematic view of a roller pump according to a first embodiment of the invention
- Fig. 3 an adapter piece in various views and sections, which can be used in the roller pump of FIG. 2 and
- Fig. 4 is a schematic representation of the insertable into a roller pump not shown here hose piece which is connected to a cassette.
- a roller pump 10 is shown with a pump bed 22 and an inserted tube 12 which is connected to a designed as an adapter fitting 14.
- a connector 14 At the connector 14 are as tubing also an afferent Hose 16 and a hose 18 leading away shown.
- the direction of the arrow indicates the direction of flow of the fluid within the hose.
- the led out of the pump bed ends of the tube intersect in this way in the fitting 14th
- the flexible hose 12 is continuously compressed in the direction of the arrow A with corresponding rollers 13, so that the corresponding pumping effect for the liquid results.
- the tube shape shown in FIG. 1 can be described as an alpha-form, in which the ends of the tube 12 led out of the pump bed 22 are led out tangentially and intersecting out of the pump bed 22.
- the hose parts 16 and 18 can also be led out of the pump directly laterally (not shown).
- FIG. 2 different views of an executed as an injection molded roller pump housing 20 are shown.
- the stator of the roller pump 10 is shown.
- FIG. 2 a) shows a top view from above
- FIG. 2 b) shows a side view
- FIG. 2 c) shows a view from the front
- FIG. 2 d) shows a perspective view from above
- FIG. 2 e) a perspective view from below shows.
- a pump bed 22 is formed, in which the arcuate hose 12 is used in a manner not shown here in more detail.
- the pump bed 22 has an opening 24 towards one side.
- the lateral end portions of the opening 24 are formed by clip receptacles 26 and 28 of different shape.
- the clip receivers 26 and 28 are separable from the roller pump housing 20. They are fastened to the housing 20 with corresponding fastening pins 30 and exchangeable. The respective rotor with the corresponding rollers for Suppression of the arcuately inserted into the pump bed tube 12 is not shown here.
- FIG. 3 a shows a plan view of an adapter piece 32 which can close the opening 24 of the housing 20 according to FIG. 2.
- Fig. 3 b) is a corresponding sectional view according to the section line IIIb-IIIb by Fig. 3 a) is shown.
- Fig. 3 c) is a corresponding sectional view corresponding to the section line IIIc-IIIc in Fig. 3 a) is shown.
- the adapter 32 has corresponding connection regions 36 or 38 for the tubes 16 and 18 and connection regions 34 for the tube 12. If the corresponding pieces of tubing are connected, they can be clipped together with the adapter 32 in the housing 20, wherein they are determined by the corresponding clip receivers 26 and 28.
- the corresponding recesses 40 and 42 in the adapter 32 are each adapted to the shapes of the clip holders 26 and 28.
- a specific assignment of the tube 12 provided with the adapter 32 to a corresponding roller pump 10 can take place here.
- the adapters 32 can be differentiated in terms of color in order to be able to associate them more easily with the respective roller pump 10.
- a knob (not shown) is arranged, which cooperates with a built-in roller pump sensor to make the proper assembly of the connector or the corresponding preassembled hose set verifiable by the control unit of the roller pump.
- a hose set may comprise a hose connected to the adapter and to be inserted into the pump bed and corresponding hoses leading away from the pump.
- FIG. 4 shows a further embodiment of a roller pump 10 according to the invention.
- the hose 12 without roller pump housing is shown.
- the direction of rotation of the rotor 11 is indicated by the direction of the arrow A.
- an integrated cassette 50 is provided in which various functional units can be realized.
- a pressure measuring device 52 integrated.
- the ends of the hose led out of the pump bed intersect in the connecting piece directly next to the rotor region of the pump, ie the opening of the pump bed.
- Optimum ventilation of the tube segment 12 also results in the liquid guide shown here. Air which rises in the inlet region of the tube 12 rises upward by the buoyancy force and is forcibly guided along the tube 12 within the rise by the pressure rollers of the rotor. As far as they arrive at the end region of the hose 12 (seen in the direction of arrow A), the entrained air is also in the ascending region of the hose 12, so that they continue to rise and be discharged through the hose 18.
- This advantageous ventilation results when the intersecting part of the tube is arranged on the right side and the rotor 11 simultaneously rotates counterclockwise. Alternatively, the advantageous venting results in the event that the intersecting part of the hose is on the left side when the rotor rotates clockwise.
- the construction of the roller pump according to the invention also makes possible a more flexible and space-saving design of the fluid guide even with an integrated cassette.
- the adapter 32 is, as stated above, in the housing 20 clipped.
- the clip receivers 26 and 28 have nose-like projections 51, 53 at the upper end. When inserting the adapter 34, this gets under these projections, which represents the actual clip function.
- the one side of the clip recording forming right projection 51 is beyond the edge of the recess of the inserted adapter on than on the left side of the projection 53 (eg, about 1 mm compared to a few 10ths of mm).
- the shape 42 of the adapter piece is round (here approximated to a circular arc), while it is square on the right side (reference numeral 40 in Figure 3).
- the ejection of the adapter takes place via a pin 54 (see Fig. 2).
- the pin is designed near the round clip receptacle 28, so that the adapter 34 is first separated from the housing on the round contact side when the pin 54 is actuated accordingly.
- the corresponding pin 54 can be extended controlled here in a manner not shown by the pump-side housing, so that the round side 42 of the adapter 32 snaps from the clip recording.
- the tilting movement created by the arrangement of the pin 54 when ejecting the adapter has another advantage.
- the roller pump 10 is equipped with two radial pins, as described for example in US 4,545,544 A.
- the two pins are mounted on opposite sides.
- the left side of the adapter 34 is raised and the right side of the adapter 34 is not raised, the lower pin can easily drive clockwise under the hose to lift it while the upper pin can easily pass over the still inserted hose. With simultaneous lifting of both pins, a pin can get caught in the pump hose system. This is prevented by the tilting movement when ejecting the adapter 32.
- the adapter 32 is designed such that it allows an edge-free connection between the pump hose segment 12 and the outer hose segments 16, 18, which, as can be seen for example in FIG. have diameter. This can also be seen in Figs. 3b and 3c, in which the openings 34 have a first width and the openings 36 and 38 have a second, smaller width. Immediately adjacent to this opening is a transition area. The openings of the transition area correspond to the inner diameters of the tube segments to be inserted.
- the transition region is inventively characterized by a steady transition of the inner diameter, in order to achieve a blood-compatible, homogeneous flow as possible.
- the crossing region of the two tube segments 16 and 18 is already in a range in which the inner diameters of the two lines are considerably reduced. This allows the invention a possible good and level alignment of the entire pump loop, so there is no excessive abrasion through the hose guide pins.
- the pin 54 of FIG. 2 a) can simultaneously serve as a sensor for a provided on the adapter 32 nubs.
- the pin 54 is moved vertically in a manner not shown by pressing the nubs, which can be detected by a light barrier also not shown here.
- a second projection which acts as a stop for the tilting adapter 32.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- External Artificial Organs (AREA)
- Reciprocating Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Massaging Devices (AREA)
- Fuel-Injection Apparatus (AREA)
- Rotary Pumps (AREA)
- Liquid Developers In Electrophotography (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200530454T SI1763636T1 (sl) | 2004-05-14 | 2005-05-12 | Valjäśna äśrpalka |
EP10009784A EP2275681B1 (de) | 2004-05-14 | 2005-05-12 | Rollenpumpe |
PL08012607T PL1985858T3 (pl) | 2004-05-14 | 2005-05-12 | Pompa rolkowa |
EP08012607A EP1985858B1 (de) | 2004-05-14 | 2005-05-12 | Rollenpumpe |
PL05739618T PL1763636T3 (pl) | 2004-05-14 | 2005-05-12 | Pompa rolkowa |
DK08012607.1T DK1985858T3 (da) | 2004-05-14 | 2005-05-12 | Rullepumpe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004024102 | 2004-05-14 | ||
PCT/EP2005/005191 WO2005111424A1 (de) | 2004-05-14 | 2005-05-12 | Rollenpumpe |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08012607A Division EP1985858B1 (de) | 2004-05-14 | 2005-05-12 | Rollenpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1763636A1 true EP1763636A1 (de) | 2007-03-21 |
EP1763636B1 EP1763636B1 (de) | 2008-08-27 |
Family
ID=34966716
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08012607A Active EP1985858B1 (de) | 2004-05-14 | 2005-05-12 | Rollenpumpe |
EP05739618A Active EP1763636B1 (de) | 2004-05-14 | 2005-05-12 | Rollenpumpe |
EP10009784A Active EP2275681B1 (de) | 2004-05-14 | 2005-05-12 | Rollenpumpe |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08012607A Active EP1985858B1 (de) | 2004-05-14 | 2005-05-12 | Rollenpumpe |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10009784A Active EP2275681B1 (de) | 2004-05-14 | 2005-05-12 | Rollenpumpe |
Country Status (18)
Country | Link |
---|---|
US (3) | US7758324B2 (de) |
EP (3) | EP1985858B1 (de) |
JP (3) | JP4870663B2 (de) |
KR (1) | KR101224674B1 (de) |
CN (3) | CN101655082B (de) |
AT (2) | ATE406520T1 (de) |
AU (3) | AU2005243476B2 (de) |
BR (3) | BR122017015656B1 (de) |
CA (3) | CA2872585C (de) |
DE (2) | DE502005010640D1 (de) |
DK (2) | DK1985858T3 (de) |
EA (3) | EA012669B1 (de) |
ES (3) | ES2311988T3 (de) |
HK (3) | HK1099898A1 (de) |
PL (2) | PL1985858T3 (de) |
PT (2) | PT1763636E (de) |
SI (1) | SI1763636T1 (de) |
WO (1) | WO2005111424A1 (de) |
Families Citing this family (27)
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DE102006008325B4 (de) * | 2006-02-20 | 2013-09-12 | W.O.M. World Of Medicine Ag | Schlauchkassette für eine peristaltische Pumpe |
JP5397747B2 (ja) | 2009-02-16 | 2014-01-22 | ニプロ株式会社 | チューブポンプ |
BRPI1015092B8 (pt) * | 2009-04-23 | 2021-06-22 | Fresenius Medical Care Deutschland Gmbh | meio funcional externo, e, sistema com um aparelho de tratamento de sangue e pelo menos um meio funcional externo |
DE102009046406B4 (de) | 2009-11-04 | 2012-04-26 | Fresenius Medical Care Deutschland Gmbh | Schlauchpumpe |
IT1400365B1 (it) † | 2010-06-07 | 2013-05-31 | Hemodec S R L | Apparecchiatura per il trattamento del sangue |
KR101006479B1 (ko) | 2010-10-06 | 2011-01-06 | 김은수 | 호스 압착력의 미세 조절이 용이한 호스 펌프 |
EP2514451A1 (de) * | 2011-04-21 | 2012-10-24 | SIS-TER S.p.A. | Rohrförmiger Einsatz für extrakorporalen Kreislauf |
EP2532999A1 (de) | 2011-06-09 | 2012-12-12 | SIS-TER S.p.A. | Wärmetauscher |
ITTO20120386A1 (it) | 2012-04-30 | 2013-10-31 | F M S P A | Raccordo amovibile per pompa peristaltica |
US9746412B2 (en) | 2012-05-30 | 2017-08-29 | Iris International, Inc. | Flow cytometer |
DE102012105918A1 (de) * | 2012-07-03 | 2014-01-09 | B. Braun Avitum Ag | Multikonnektor und medizinisches Gerät zur extrakorporalen Blutbehandlung mit Multikonnektorerkennung |
EP2781234A1 (de) * | 2013-03-20 | 2014-09-24 | Fresenius Medical Care Deutschland GmbH | Rohr für körperexternen Kreislauf mit doppeltem Anschlussstück |
DE102013011717A1 (de) | 2013-07-15 | 2015-01-15 | Fresenius Medical Care Deutschland Gmbh | Verfahren zum Steuern einer Blutbehandlungsvorrichtung nach Abschluss einer Behandlung und Vorrichtungen |
DE102014103492A1 (de) | 2014-03-14 | 2015-09-17 | Fresenius Medical Care Deutschland Gmbh | Flüssigkeitskassette mit kipptoleranter Zentrierverrastung sowie Blutbehandlungsvorrichtung |
DE102014103507A1 (de) | 2014-03-14 | 2015-09-17 | Fresenius Medical Care Deutschland Gmbh | Medizinische Funktionsvorrichtung mit einem Ventilsitz für ein remanentes Rückschlagventil |
DE102014104320B3 (de) * | 2014-03-27 | 2015-08-06 | Ulrich Gmbh & Co. Kg | Schlauchpumpe mit Ausfädeleinrichtung |
AU2015330980B2 (en) * | 2014-12-12 | 2016-07-07 | Zevex, Inc. | Infusion pump cassette and cassette interface configured to assist cassette removal |
DE102016005467A1 (de) * | 2016-05-06 | 2017-11-09 | Fresenius Medical Care Deutschland Gmbh | Medizinische Behandlungsvorrichtung und Schlauchset für eine medizinische Behandlungsvorrichtung sowie Verfahren zur Überwachung einer peristaltischen Schlauchpumpe |
CN107503920B (zh) * | 2017-09-21 | 2024-03-22 | 合肥华运机械制造有限公司 | 多工位软管泵 |
JP7222355B2 (ja) | 2017-09-26 | 2023-02-15 | ニプロ株式会社 | チューブセット、及びそれを備えるチューブポンプ |
KR102071646B1 (ko) | 2018-07-26 | 2020-01-31 | (주)오토일렉스 | 튜브펌프 |
DE102018121868A1 (de) | 2018-09-07 | 2020-03-12 | Fresenius Medical Care Deutschland Gmbh | Peristaltische Pumpe |
DE102018121903A1 (de) | 2018-09-07 | 2020-03-12 | Fresenius Medical Care Deutschland Gmbh | Peristaltische Pumpe |
DE102018121872A1 (de) | 2018-09-07 | 2020-03-12 | Fresenius Medical Care Deutschland Gmbh | Peristaltische Pumpe |
CN112023138A (zh) * | 2018-09-28 | 2020-12-04 | 德州飚丰信息技术有限公司 | 医用自动积液引流装置 |
DE102021116833A1 (de) | 2021-06-30 | 2023-01-05 | Fresenius Medical Care Deutschland Gmbh | Klemmelement für eine Pumpvorrichtung |
TWI823551B (zh) * | 2022-09-06 | 2023-11-21 | 牟敦剛 | 蠕動幫浦軟管安置結構與相應裝置 |
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-
2005
- 2005-05-12 PL PL08012607T patent/PL1985858T3/pl unknown
- 2005-05-12 DE DE502005010640T patent/DE502005010640D1/de active Active
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