EP0388269B1 - Cassette pour pompe péristaltique à tube déformable, et pompe péristaltique équipée d'une telle cassette - Google Patents

Cassette pour pompe péristaltique à tube déformable, et pompe péristaltique équipée d'une telle cassette Download PDF

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Publication number
EP0388269B1
EP0388269B1 EP90400644A EP90400644A EP0388269B1 EP 0388269 B1 EP0388269 B1 EP 0388269B1 EP 90400644 A EP90400644 A EP 90400644A EP 90400644 A EP90400644 A EP 90400644A EP 0388269 B1 EP0388269 B1 EP 0388269B1
Authority
EP
European Patent Office
Prior art keywords
rollers
casing
cassette
tube
motor
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
EP90400644A
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German (de)
English (en)
French (fr)
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EP0388269A1 (fr
Inventor
Edouard Malbec
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Individual
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Individual
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Publication date
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Application filed by Individual filed Critical Individual
Publication of EP0388269A1 publication Critical patent/EP0388269A1/fr
Application granted granted Critical
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to a cassette for a peristaltic pump with a deformable tube, consisting of a housing which comprises, in the vicinity of each of its ends, a cylindrical raceway against which are suitable for applying and rolling tubular satellites. , intended to be driven by a motor, and which crush the deformable tube located between the two raceways.
  • FR-A-2 383 333 shows, in FIGS. 4 and 5, a sub-assembly forming a removable cassette with motor, for peristaltic pump, comprising tubular satellite rollers kept angularly apart by non-working rollers.
  • the deformable tube has, permanently, a crushed zone whether the pump is in service or not, which limits the possibilities of sterilization of the assembled cassette, and creates fatigue by crushing a determined zone of the deformable tube of the stored cassette.
  • non-working rollers create additional friction, which causes a reduction in mechanical efficiency.
  • EP-0 041 267 shows a cassette, without motor, for peristaltic pump, whose arrangement is relatively complicated.
  • the invention aims, above all, to provide a cassette, without motor, of the kind defined above, which no longer has, or which has to a lesser degree, the drawbacks mentioned above.
  • the cassette be of a simple and robust construction, allow efficient pumping and favorable storage conditions.
  • a cassette for a peristaltic pump with a deformable tube is characterized in that the satellites are mounted freely inside the housing, in the concavity of the deformable tube, this housing comprising, at least one side, a central opening of a diameter sufficient to allow the satellites to be driven, either directly from a rotary plate fitted with planets suitable for engaging in tubular satellites, either from a shaft internally engaged between the tubular satellites, and that, when it is separated from the drive motor, the satellites are brought back towards the center under the pressure of the tube at rest, this tube remaining open, which makes complete sterilization easy.
  • the same cassette can be driven either directly by a plate, this drive mode allowing at any time to know precisely the angular position of the plate and therefore of the satellites, or by a central shaft with possibility of high speed of rotation.
  • the satellites are produced in a simple and economical manner and their free mounting inside the cassette is advantageous for operation with self-centering of the pump. In addition, during storage, the tube is not crushed by the satellites brought back to the center.
  • the housing has an inner groove with a concave section in which the deformable tube is housed, while the satellites have an outer barrel shape, with convex curvature, combined with the concave curvature of the throat of the housing, to press on.
  • the deformable tube, each satellite comprising, on either side of the barrel zone, a cylindrical zone suitable for rolling on the associated raceway; such a concave inner profile housing allows self-centering of the tube and the satellites.
  • the housing comprises a central cylindrical crown on which is fixed, on both sides, in particular by clipping or snap-fastening, a flange having an internal raceway, the flange located on the side of the drive motor having a substantially border frustoconical for securing the housing to a drive motor housing by cooperation of this frustoconical edge with teeth, having a certain elasticity in the radial direction, provided over the entire periphery of a ring gear connected to the housing of the engine.
  • the tubular satellites are generally made of an elastic plastic material.
  • the invention also relates to a peristaltic pump fitted with a cassette such as defined above, this pump comprising a motor capable of driving the tubular satellites.
  • the pump motor comprises an output shaft provided with a plate carrying axes on which are mounted idle rollers suitable for engaging in the tubular satellites.
  • the plate may include, in particular, an axis located in the extension of the motor shaft and on which is mounted for a central roller with a relatively large self-centering game, adapted to cooperate with the outer surface of the satellites.
  • the cassette casing is generally closed on the side opposite the motor by an attached cover, one of the raceways for the satellites being able to be provided on the inside of this cover.
  • the pump plate has four regularly spaced rollers and a central roller, while the cassette has four satellites.
  • Figure 1 of these drawings is a perspective view of a peristaltic pump according to the invention, the cassette being separated from the tray.
  • FIG. 2 is a view of the plate along line II-II, FIG. 5.
  • FIG. 3 is a view of the cassette along line III-III of FIG. 4.
  • Figure 4 is a section along line IV-IV, Figure 3 of the cassette.
  • Figure 5 is a view from the left, with parts torn off, from the plate shown in Figure 2.
  • Figure 6 is a longitudinal section, with exterior parts, of the pump, the plate being mounted inside the cassette.
  • Figure 7 is a section of another embodiment of a pump according to the invention, the cassette being shown in section.
  • Figure 8 is a view along line VIII-VIII, Figure 7 of the ring gear serving as a cassette holder.
  • FIG. 9 is a section of another advantageous embodiment of the cassette.
  • a peristaltic pump 1 comprising a deformable tube 2, in particular made of plastic, forming the pump body.
  • This tube is interposed between an external cylindrical casing 3 and internal rollers 4 suitable for cooperating with a central drive member 5, itself driven by an electric motor 6.
  • the pump 1 comprises a removable cassette 7 consisting of a cylindrical housing 8 in which the tube 2 is mounted, as well as tubular satellites 9, four in number in the embodiment considered.
  • satellites 9 constitute the rollers 4 and are advantageously made of an elastic plastic material.
  • the satellites 9 can be constituted by sections of tube made of extruded plastic.
  • the tube 2 substantially describes a semicircle inside the housing 8 and leaves this housing by openings 10 ⁇ along branches 11 substantially parallel.
  • the face 12 of the housing intended to be applied against the motor 6 has a central opening 13 of sufficient diameter to allow the drive of the satellites 9 as explained below.
  • This face 12 has a diameter greater than that of the housing 8 and forms a flange projecting radially relative to the housing, flange in which are provided two buttonholes 14 diametrically opposed to allow the fixing of the cassette 7 on the motor 6 provided with pins 15 provided with heads capable of cooperating with the buttonholes 14.
  • the casing 8 of the cassette comprises, in the vicinity of each of its ends, in the axial direction, a cylindrical raceway 16, 17 (see FIG. 4) against which are suitable for applying, and for rolling, the tubular satellites 9, the deformable tube 2 being located between the two raceways, against a cylindrical surface 18 whose diameter is greater than that of the raceways 16, 17.
  • the housing 8 is closed, on the side opposite to the motor driving the pump, by an attached cover 19 on which is provided the raceway 17 which constitutes the internal surface of a centering flange of the cover 19 in the housing.
  • the internal face of this cover 19 has a central recess 20 ⁇ .
  • the satellites 9 are held, in the longitudinal direction, between the internal face of the cover 19 and a shoulder 21 (FIG. 4) bordering the opening 13 on the inside of the housing.
  • the distance l , in the axial direction, between this shoulder 21 and the internal face of the cover 19 is only slightly greater than the length axial h of the satellites 9 to ensure good maintenance of these satellites and avoid any oblique setting.
  • the difference l - h is less than or equal to 0 ⁇ , 2 mm.
  • Rollers 22, mounted idly on axes 23 carried by a plate 24, are suitable for engaging in the satellites 9, passing through the opening 13.
  • the rollers 22 are regularly distributed around the axis of the plate 24
  • the number of these rollers 22 is equal to that of the satellites 9, that is to say equal to four in the example considered.
  • each roller 22 remote from the plate 24 has a substantially frustoconical shape to facilitate the entry of the roller in the corresponding satellite 9.
  • the end of the axis 23 is provided with a head 26 capable of holding the roller 22 in the longitudinal direction.
  • the diameter d of the rollers 32 is slightly less than the internal diameter f ( Figure 4) of the satellites 9.
  • the clearance that is to say the difference f - d is advantageously of the order of 0 ⁇ .3 mm.
  • a central roller 27 is mounted to rotate freely on an axis 28 which is located in the extension of the motor shaft 6 when the plate 24 is fixed to this motor shaft.
  • This central roller 27 also has a frustoconical end which is housed in the recess 20 ⁇ (see Figure 6).
  • the head of the axis 26 is housed completely inside a bore provided at the end of this roller 27.
  • the length of the roller 27 is greater than that of the rollers 22.
  • the roller 27 is mounted on its axis 28 with a radial self-centering clearance (difference between the diameter of the internal bore of the roller 27 and the external diameter of the axis 28) relatively large, in particular of the order of 0.5 ⁇ .
  • This roller 27 in particular thanks to the large self-centering play, provides a dynamic balance of all pressures.
  • the fixing of the plate 24 on the output shaft of the motor can be ensured by any means, in particular by locking screws such as 30 (FIG. 1) oriented radially.
  • the satellites 9 are brought back to the center under the pressure of the tube 2 at rest, as visible in FIG. 3, this tube remaining open until stabilization satellites in a tangential position of mutual support. This avoids sticking between the walls of the tube during storage, bonding which could occur if the tube was stored crushed.
  • the tube 2 can be held in place by two welded stop rings designed to be wedged in specific housings under the pressure of a support flange secured to the cover of the cassette.
  • this tube 2 mounts in the cassette very quickly.
  • the cassette 7 having been put in place on the plate 5, the rollers 22 are located inside the tubular satellites 9, which are in abutment against the central roller 27.
  • the cassette is snapped onto the motor frame by a slight rotation who after engagement of the lugs 15 in the large diameter portion of the buttonhole 14, places said lugs in the narrower portion of this buttonhole that the head of the lugs 15 cannot pass through.
  • the drive rollers 22 are housed with a slight clearance inside the tubular satellites 9, while the central support roller 27 exerts its pressure against the outside of the satellites 9 which deviate up to 1 sealing of the tube 2 pump body closure on itself. This assembly can be carried out in a few seconds, with one hand.
  • the pumping action is obtained when the motor 6 is put into rotation, driving the plate 5 and the satellites 9.
  • the rollers 22, driven by the plate 5, do not directly attack the tube 2 pump body, which avoids the stretching of the pump body towards the delivery port and the tendency to close the suction port. This results in a flow curve of the pump as a function of the relatively regular speed of rotation.
  • the central free roller 27 provides support and dynamic balance of all operating pressures.
  • FIGS. 7 and 8 one can see an alternative embodiment of a cassette and a pump according to the invention.
  • the elements of FIGS. 7 and 8 playing identical or similar roles to elements already described with respect to the preceding figures are designated by numerical references equal to the sum of the number 10 ⁇ 0 ⁇ and the reference used in the preceding figures, without their description be taken up in detail.
  • the housing 10 ⁇ 8 of the cassette 10 ⁇ 7 comprises a cylindrical central crown 31 on which is fixed, on either side by snap-fastening, a flange 32, 33, each flange comprising one of the raceways 116, 117.
  • the flange 33 forms the cover 119 which is offset in the axial direction relative to the edge used for snap-fastening on the crown 31.
  • the flange 32 located on the side of the drive motor 10 ⁇ 6 has a substantially frustoconical border 34 whose diameter increases in the direction of the motor 10 ⁇ 6.
  • This border 34 ensures the attachment of the housing and the cassette 10 ⁇ 7 on the housing of the drive motor 10 ⁇ 6 by cooperation of said border 34 with teeth 35 provided on the entire periphery of a ring gear 36 connected to the housing of the 10 ⁇ 6 engine.
  • the teeth 35 protrude radially with respect to the mean plane of the crown, as visible in FIG. 7 and are regularly distributed over the entire circumference as visible in FIG. 8.
  • a space 37 separates two successive teeth.
  • Each tooth 35 has a certain elasticity in the radial direction, in particular by bending at its root, to allow the crossing of the large diameter end of the edge 34 and the gripping of the frustoconical surface of said edge.
  • the ramp effect created by the inclined surfaces of the teeth and of the edge 34 makes it possible to apply with axial pressure the part of the flange 32 facing the zone of the crown 36 located inside, in the radial direction, teeth 35.
  • the crown 36 constitutes a particularly simple and advantageous cassette holder, allowing the cassette to be put in place with one hand, without having to impose a particular orientation. predetermined cassette 10 ⁇ 7 relative to the motor housing 10 ⁇ 6.
  • the drive member 10 ⁇ 5 is constituted by a shaft engaged internally between the tubular satellites 10 ⁇ 4.
  • FIG. 9 represents a variant embodiment, the elements playing roles identical to elements already described with respect to FIGS. 1 to 6 are designated by numerical references equal to the sum of the number 20 ⁇ 0 ⁇ and the reference used in these FIGS. 1 to 6.
  • the housing 20 ⁇ 8 has an inner groove 37 of concave section, facing the axis of the housing, in which is housed the deformable tube 20 ⁇ 2.
  • the satellites 20 ⁇ 9 have an outer barrel shape 38, with convex curvature combined with the concave curvature 37 of the groove of the housing.
  • the satellites 20 ⁇ 9 comprise, on either side of the barrel zone 38, a cylindrical zone 39, 40 ⁇ suitable for rolling on the associated raceway 216, 217.
  • the satellites 20 ⁇ 4 may comprise a cylindrical interior housing to allow the entry of planets similar to those shown in Figure 1.
  • the housing 20 ⁇ 8 of FIG. 9, with concave internal profile, allows self-centering of the tube and the satellites 20 ⁇ 9 so that it is practically no longer necessary to provide shoulders on either side of the satellites to maintain them in the axial direction. This results in a significant reduction in the wear of the satellites, and a longer service life of the cassette. The heating is also reduced.
  • the tightness produced by the crushing of the tube 20 ⁇ 2 between the concave surface 37 and the convex surface 38 of the roller is better, especially at the commissure. This allows higher pump discharge pressures and energy savings for the same flow rate.
  • the cassette and the pump according to the invention have numerous advantages.
  • the operation of the pump is silent and its assembly is easy during mass production.
  • the low manufacturing cost and the ease of assembly allowing the use of disposable cassettes in particular for medical applications.
  • the pump body has maximum endurance while the manufacturing tolerances remain easy to hold with raw plastic molding parts.
  • a minimum number of parts are in motion with reduced friction and dynamically balanced stresses providing excellent mechanical efficiency, and offering the possibility of using low-power, less expensive and more reliable motors. Maximum natural ventilation occurs during operation, which prevents overheating.
  • the tubular satellites 9, as already indicated, can be obtained economically by cutting extruded tube, which avoids an expensive production mold.
  • the tube 2 is closed, by crushing, in at least two places.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • External Artificial Organs (AREA)
EP90400644A 1989-03-13 1990-03-12 Cassette pour pompe péristaltique à tube déformable, et pompe péristaltique équipée d'une telle cassette Expired - Lifetime EP0388269B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8903234A FR2644212B1 (fr) 1989-03-13 1989-03-13 Cassette pour pompe peristaltique a tube deformable, et pompe peristaltique equipee d'une telle cassette
FR8903234 1989-03-13

Publications (2)

Publication Number Publication Date
EP0388269A1 EP0388269A1 (fr) 1990-09-19
EP0388269B1 true EP0388269B1 (fr) 1994-01-26

Family

ID=9379609

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90400644A Expired - Lifetime EP0388269B1 (fr) 1989-03-13 1990-03-12 Cassette pour pompe péristaltique à tube déformable, et pompe péristaltique équipée d'une telle cassette

Country Status (21)

Country Link
US (1) US5044902A (xx)
EP (1) EP0388269B1 (xx)
JP (1) JPH07122434B2 (xx)
KR (1) KR0148344B1 (xx)
CN (1) CN1019843B (xx)
AT (1) ATE100903T1 (xx)
AU (1) AU627282B2 (xx)
BR (1) BR9005772A (xx)
CA (1) CA2011988C (xx)
DD (1) DD294065A5 (xx)
DE (1) DE69006239T2 (xx)
DK (1) DK0388269T3 (xx)
ES (1) ES2048451T3 (xx)
FR (1) FR2644212B1 (xx)
IE (1) IE64115B1 (xx)
IL (1) IL93713A (xx)
NZ (1) NZ232882A (xx)
PT (1) PT93423B (xx)
RU (1) RU1836587C (xx)
WO (1) WO1990010792A1 (xx)
ZA (1) ZA901920B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018172217A1 (de) 2017-03-23 2018-09-27 Medela Holding Ag Vorrichtung mit einer koppelbaren peristaltikpumpeneinheit

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2672279B1 (fr) * 1991-02-05 1996-05-24 Georges Gruffy Installation de distribution de produit liquide ou pateux et conditionnement d'un tel produit pour une telle installation.
FR2690715B1 (fr) * 1992-04-30 1994-07-22 Debiotech Sa Pompe peristaltique a cassette munie d'un ensemble de detrompage.
US5356267A (en) * 1992-10-27 1994-10-18 Beta Technology, Inc. Peristaltic pump with removable collapsing means and method of assembly
US5597094A (en) * 1992-12-03 1997-01-28 Solignac Industries S.A. Device with peristaltic pump which makes it possible to draw, weight and mix liquids automatically
US5626563A (en) * 1993-01-12 1997-05-06 Minnesota Mining And Manufacturing Company Irrigation system with tubing cassette
US5403277A (en) * 1993-01-12 1995-04-04 Minnesota Mining And Manufacturing Company Irrigation system with tubing cassette
FR2708675B1 (fr) * 1993-08-06 1995-10-20 Debiotech Cassette de pompe péristaltique.
US5827219A (en) * 1993-10-28 1998-10-27 Medrad, Inc. Injection system and pumping system for use therein
US5423749A (en) * 1993-11-18 1995-06-13 Minnesota Mining And Manufacturing Company Cardioplegia administration system and method
US5445506A (en) * 1993-12-22 1995-08-29 Baxter International Inc. Self loading peristaltic pump tube cassette
US5480294A (en) * 1993-12-22 1996-01-02 Baxter International Inc. Peristaltic pump module having jaws for gripping a peristaltic pump tube cassett
FR2719873A1 (fr) * 1994-05-11 1995-11-17 Debiotech Sa Dispositif de pompe péristaltique.
US5549458A (en) * 1994-07-01 1996-08-27 Baxter International Inc. Peristaltic pump with quick release rotor head assembly
US5916197A (en) 1997-02-14 1999-06-29 Medrad, Inc. Injection system, pump system for use therein and method of use of pumping system
US6558343B1 (en) 1998-04-02 2003-05-06 Debiotech S.A. Device for peritoneal dialysis and method for using said device
US7287398B2 (en) * 2001-09-25 2007-10-30 Alsius Corporation Heating/cooling system for indwelling heat exchange catheter
US5927956A (en) * 1998-09-01 1999-07-27 Linvatec Corporation Peristaltic pump tubing system with latching cassette
DE19916876A1 (de) 1999-04-14 2000-11-02 Clemens Micheler Medizinische Dosierpumpe
DE19960668C1 (de) 1999-12-15 2001-08-16 W O M Gmbh Physikalisch Medizi Schlauchkasette für eine peristaltische Pumpe
US6497676B1 (en) 2000-02-10 2002-12-24 Baxter International Method and apparatus for monitoring and controlling peritoneal dialysis therapy
US20030125662A1 (en) 2002-01-03 2003-07-03 Tuan Bui Method and apparatus for providing medical treatment therapy based on calculated demand
US7238164B2 (en) 2002-07-19 2007-07-03 Baxter International Inc. Systems, methods and apparatuses for pumping cassette-based therapies
US6890161B2 (en) * 2003-03-31 2005-05-10 Assistive Technology Products, Inc. Disposable fluid delivery system
US20050129545A1 (en) * 2003-12-15 2005-06-16 Prosek Michael E.Jr. Peristaltic pumping mechanism with geared occlusion rollers
EP1591660A1 (en) * 2004-04-30 2005-11-02 Debiotech S.A. Peristaltic pumping system
EP1662142A1 (en) * 2004-11-26 2006-05-31 Debiotech S.A. Peristaltic pump
DE102006008325B4 (de) * 2006-02-20 2013-09-12 W.O.M. World Of Medicine Ag Schlauchkassette für eine peristaltische Pumpe
US7998115B2 (en) 2007-02-15 2011-08-16 Baxter International Inc. Dialysis system having optical flowrate detection
US8361023B2 (en) 2007-02-15 2013-01-29 Baxter International Inc. Dialysis system with efficient battery back-up
US8558964B2 (en) 2007-02-15 2013-10-15 Baxter International Inc. Dialysis system having display with electromagnetic compliance (“EMC”) seal
US7731689B2 (en) 2007-02-15 2010-06-08 Baxter International Inc. Dialysis system having inductive heating
US8870812B2 (en) 2007-02-15 2014-10-28 Baxter International Inc. Dialysis system having video display with ambient light adjustment
US20090162228A1 (en) * 2007-12-19 2009-06-25 James Nelson Guide element for a peristaltic pump
CN104912781B (zh) * 2009-11-12 2017-04-12 株式会社威尔科 管固定件和管式泵
US20110137231A1 (en) * 2009-12-08 2011-06-09 Alcon Research, Ltd. Phacoemulsification Hand Piece With Integrated Aspiration Pump
DE102009058279B4 (de) 2009-12-11 2016-05-12 W. O. M. World of Medicine GmbH Peristaltische Schlauchpumpe
US9480791B2 (en) * 2009-12-21 2016-11-01 Bayer Healthcare Llc Pumping devices, systems and methods for use with medical fluids including compensation for variations in pressure or flow rate
US8944780B2 (en) 2011-03-25 2015-02-03 Bayer Medical Care Inc. Pumping devices, systems including multiple pistons and methods for use with medical fluids
US9138518B2 (en) 2011-01-06 2015-09-22 Thoratec Corporation Percutaneous heart pump
EP2503150A1 (fr) 2011-03-21 2012-09-26 SMC-Swiss Medical Care S.A. Dispositif pour la détection et la mesure de la rotation d'une cassette péristaltique
MX349207B (es) 2011-08-17 2017-07-18 Nestec Sa Bomba peristáltica lineal.
CN102338070A (zh) * 2011-09-21 2012-02-01 上海永创医疗器械有限公司 卡接式蠕动泵
EP2758096A4 (en) 2011-09-21 2015-07-01 Bayer Medical Care Inc SYSTEM AND METHOD FOR CONTINUOUS MULTI-FLUID DISTRIBUTION
US8721517B2 (en) 2012-05-14 2014-05-13 Thoratec Corporation Impeller for catheter pump
EP4218887A1 (en) 2012-05-14 2023-08-02 Tc1 Llc Mechanical circulatory support device for stabilizing a patient after cardiogenic shock
US9358329B2 (en) 2012-07-03 2016-06-07 Thoratec Corporation Catheter pump
ES2642772T3 (es) 2012-12-11 2017-11-20 Alcon Research, Ltd. Pieza de mano de facoemulsificación con bomba de aspiración e irrigación integrada
US9962288B2 (en) 2013-03-07 2018-05-08 Novartis Ag Active acoustic streaming in hand piece for occlusion surge mitigation
US11033728B2 (en) 2013-03-13 2021-06-15 Tc1 Llc Fluid handling system
WO2014164136A1 (en) 2013-03-13 2014-10-09 Thoratec Corporation Fluid handling system
USD746975S1 (en) 2013-03-14 2016-01-05 Thoratec Corporation Catheter pump console
US9915274B2 (en) 2013-03-15 2018-03-13 Novartis Ag Acoustic pumps and systems
US9545337B2 (en) 2013-03-15 2017-01-17 Novartis Ag Acoustic streaming glaucoma drainage device
US9308302B2 (en) 2013-03-15 2016-04-12 Thoratec Corporation Catheter pump assembly including a stator
US20160030649A1 (en) 2013-03-15 2016-02-04 Thoratec Corporation Catheter pump assembly including a stator
US9750638B2 (en) 2013-03-15 2017-09-05 Novartis Ag Systems and methods for ocular surgery
US9693896B2 (en) 2013-03-15 2017-07-04 Novartis Ag Systems and methods for ocular surgery
EP3131615B1 (en) 2014-04-15 2021-06-09 Tc1 Llc Sensors for catheter pumps
US10449279B2 (en) 2014-08-18 2019-10-22 Tc1 Llc Guide features for percutaneous catheter pump
RU2714926C2 (ru) 2015-01-09 2020-02-21 БАЙЕР ХелсКер ЛЛСи Многофлюидная система доставки с многоразовым расходным комплектом и ее конструкционные особенности
US9770543B2 (en) 2015-01-22 2017-09-26 Tc1 Llc Reduced rotational mass motor assembly for catheter pump
US11541205B2 (en) 2015-07-20 2023-01-03 Roivios Limited Coated urinary catheter or ureteral stent and method
US12064567B2 (en) 2015-07-20 2024-08-20 Roivios Limited Percutaneous urinary catheter
US10926062B2 (en) 2015-07-20 2021-02-23 Strataca Systems Limited Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion
US10512713B2 (en) 2015-07-20 2019-12-24 Strataca Systems Limited Method of removing excess fluid from a patient with hemodilution
US10918827B2 (en) 2015-07-20 2021-02-16 Strataca Systems Limited Catheter device and method for inducing negative pressure in a patient's bladder
US11040172B2 (en) 2015-07-20 2021-06-22 Strataca Systems Limited Ureteral and bladder catheters and methods of inducing negative pressure to increase renal perfusion
CA3152431A1 (en) 2015-07-20 2017-01-26 Roivios Limited Ureteral and bladder catheters and methods for inducing negative pressure to increase renal perfusion
US10493232B2 (en) 2015-07-20 2019-12-03 Strataca Systems Limited Ureteral catheters, bladder catheters, systems, kits and methods for inducing negative pressure to increase renal function
EP3394445B1 (en) 2015-12-24 2019-05-15 Hologic Inc. Uterine distension fluid management system with peristaltic pumps
US11491322B2 (en) 2016-07-21 2022-11-08 Tc1 Llc Gas-filled chamber for catheter pump motor assembly
EP3804804A1 (en) 2016-07-21 2021-04-14 Tc1 Llc Fluid seals for catheter pump motor assembly
DE102016114958A1 (de) 2016-08-11 2018-02-15 B. Braun Avitum Ag Peristaltikpumpe mit modularem Gehäuse
KR101981651B1 (ko) * 2017-04-05 2019-05-24 주식회사 세비카 연동 펌프 구동장치
CN109372731B (zh) * 2017-04-06 2020-10-20 珠海意动智能装备有限公司 蠕动泵
US11179516B2 (en) 2017-06-22 2021-11-23 Baxter International Inc. Systems and methods for incorporating patient pressure into medical fluid delivery
CN115120791A (zh) 2017-08-25 2022-09-30 罗维奥斯有限公司 促进从尿道除尿的排尿泵
US10989185B1 (en) * 2020-04-03 2021-04-27 Douglas D. Myers Cover for eccentric pushrod
EP4309698A1 (en) 2022-07-22 2024-01-24 Medela Holding AG Peristaltic pump with planetary gear

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249059A (en) * 1964-03-31 1966-05-03 Everpure Peristaltic-type pump
CH433992A (de) * 1965-08-03 1967-04-15 Hans Dr Dutler Peristaltikpumpe
DE1528964A1 (de) * 1965-08-06 1969-06-19 Bosch Gmbh Robert Zugabevorrichtung fuer Wasch- oder Geschirrspuelmaschinen
GB1186961A (en) * 1968-01-11 1970-04-08 Minerva Lab Instr Ltd Improvements relating to Vehicle Screen Wash Apparatus.
DE2409103A1 (de) * 1974-02-26 1975-09-04 Lauterjung Karl Lutz Pumpe
US4205948A (en) * 1977-02-10 1980-06-03 Jones Allan R Peristaltic pump
FR2383333A1 (fr) * 1977-03-11 1978-10-06 Malbec Edouard Pompe peristaltique
US4211519A (en) * 1977-08-29 1980-07-08 Cole-Parmer Instrument Company Fluid pump and quick release mounting arrangement therefor
FR2417025A1 (fr) * 1978-02-10 1979-09-07 Malbec Edouard Pompe peristaltique
JPS55146293A (en) * 1979-04-28 1980-11-14 Kyokuto Kaihatsu Kogyo Co Ltd Roller in squeezing-out type fluid pump
JPS55151289A (en) * 1979-05-16 1980-11-25 Tokyo Shibaura Electric Co Nuclear fuel element for testing
JPS5710788A (en) * 1980-06-25 1982-01-20 Agency Of Ind Science & Technol Roller pump
US4417856A (en) * 1981-08-25 1983-11-29 Minissian Kevin G Peristaltic pump
US4573887A (en) * 1983-09-16 1986-03-04 S. E. Rykoff & Co. Corrosion-resistant roller-type pump
FR2595765A1 (fr) * 1986-03-14 1987-09-18 Malbec Edouard Pompe peristaltique a debit regulier
US4909713A (en) * 1986-05-07 1990-03-20 Cobe Laboratories, Inc. Peristaltic pump
FR2599434A1 (fr) * 1986-05-27 1987-12-04 Biomed Systemes Pompe peristaltique a corps de pompe demontable.
US4950136A (en) * 1989-08-14 1990-08-21 Hydro Systems Company Peristaltic pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018172217A1 (de) 2017-03-23 2018-09-27 Medela Holding Ag Vorrichtung mit einer koppelbaren peristaltikpumpeneinheit
US11486382B2 (en) 2017-03-23 2022-11-01 Medela Holding Ag Device with a peristaltic pump unit which can be coupled

Also Published As

Publication number Publication date
IE900874L (en) 1990-09-13
AU627282B2 (en) 1992-08-20
RU1836587C (ru) 1993-08-23
IL93713A (en) 1993-08-18
PT93423B (pt) 1996-05-31
IE64115B1 (en) 1995-07-12
EP0388269A1 (fr) 1990-09-19
IL93713A0 (en) 1990-12-23
DK0388269T3 (da) 1994-02-28
CN1019843B (zh) 1992-12-30
CA2011988C (fr) 1999-07-06
NZ232882A (en) 1992-11-25
KR920700351A (ko) 1992-02-19
WO1990010792A1 (fr) 1990-09-20
BR9005772A (pt) 1991-08-06
FR2644212A1 (fr) 1990-09-14
ES2048451T3 (es) 1994-03-16
FR2644212B1 (fr) 1991-11-15
DE69006239D1 (de) 1994-03-10
PT93423A (pt) 1991-10-31
ZA901920B (en) 1990-12-28
CA2011988A1 (fr) 1990-09-13
CN1045634A (zh) 1990-09-26
US5044902A (en) 1991-09-03
AU5120690A (en) 1990-09-13
DD294065A5 (de) 1991-09-19
KR0148344B1 (ko) 1999-03-20
ATE100903T1 (de) 1994-02-15
JPH0331593A (ja) 1991-02-12
DE69006239T2 (de) 1994-07-14
JPH07122434B2 (ja) 1995-12-25

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