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| Number | Title | Issue Date |
| 8177531 | Fluid transport system with elastic tube and detaching cam arrangement A fluid transportation system includes an elastic tube, a tube frame to which the tube is attached such that the tube forms a circular arc, a first cam and a second cam disposed inside the tube, and fingers which radially extend from a rotation center in the space b... | 05/15/2012 |
| 8167592 | Peristaltic pumping apparatus and method The present disclosure relates to a rotor assembly for a peristaltic pump. The pump includes a first rotor having a plurality of rollers and a second rotor, coupled to the first rotor, having a plurality of rollers. The rollers of the first and second rotors are loc... | 05/01/2012 |
| 8157547 | Peristaltic pump with flow control A pump for circulating a medium comprising an elastically deformable hose against a pressing surface, and a medium inlet and a medium outlet; pressing elements that move along the hose and press the hose against a pressing surface thereby closing the hose. The press... | 04/17/2012 |
| 8152498 | Peristaltic pump with removable tube A peristaltic pump having a casing defining a tube race, a flexible tube disposed in the tube race, and a rotor with one or more rollers adapted to act against the flexible tube. The casing has a first section having the tube race and a first part of fitting means, ... | 04/10/2012 |
| 8087909 | Peristaltic pump and method of supplying fluid to a surgical area therewith The present disclosure relates to a rotor assembly for a peristaltic pump. The pump includes a first rotor having a plurality of rollers and a second rotor, coupled to the first rotor, having a plurality of rollers. The rollers of the first and second rotors are loc... | 01/03/2012 |
| 8043077 | Micropump A micropump that includes: a tube frame including an elastic tube, and a tube guide groove; a cam drive wheel which moves in response to a motor that can be rotated in forward and reverse directions; a first cam is provided with a finger depression section at a circ... | 10/25/2011 |
| 7918657 | Head for a peristaltic pump with guide and roller clamp arrangement A head for a peristaltic pump that may be used for delivering ink to a flexographic printing press includes a housing and a roller assembly. The housing is adapted to receive a flexible tube. The housing has a curved wall and a clamp. The clamp secures the flexible ... | 04/05/2011 |
| 7819643 | Fluid transportation system with elastic tube and detaching cam arrangement A fluid transportation system includes an elastic tube, a tube frame to which the tube is attached such that the tube forms a circular arc, a first cam and a second cam disposed inside the tube, and fingers which radially extend from a rotation center in the space b... | 10/26/2010 |
| 7762795 | Rotary axial peristaltic pumps and related methods Rotary axial peristaltic pumps, related methods and components. The rotary axial peristaltic pump generally comprises a platen having a platen surface, a tube positioned adjacent to the platen surface, cam that rotates about a rotational axis and has a cam surface t... | 07/27/2010 |
| 7578662 | Peristaltic pump having pumping and occluding rollers and alternating pumping systems utilizing thereof A peristaltic roller pump includes a rotor carrying a pumping roller on one end and an occluding roller on the other end. Occluding roller has a number of protrusions designed to only occlude the tubing section that is located under that roller as it moves over it i... | 08/25/2009 |
| 7556481 | Rotary axial peristaltic pumps and related methods Rotary axial peristaltic pumps, related methods and components. The rotary axial peristaltic pump generally comprises a platen having a platen surface, a tube positioned adjacent to the platen surface, cam that rotates about a rotational axis and has a cam surface t... | 07/07/2009 |
| 7445436 | Peristaltic pump with a moveable pump head A peristaltic pump 10 for use in ophthalmic surgery includes a housing 12, a pump head 14 having plurality of rollers 16 held within the housing 12, and a backing plate 18 attached to the housing 12. The pump head ... | 11/04/2008 |
| 7261008 | Air sampler An air sampler having a fan; an air inlet tube; a main body having a cyclonic cup, a stripping column and a demister; and fluidic circuitry for inputting fluids to the main body and the air inlet tube, and for outputting fluids from the main body. Air flow through t... | 08/28/2007 |
| 7252485 | Tube type pumping apparatus A tube type pumping apparatus having a resilient tube provided along a wall, a squeezing member positioned to move along the wall to squeeze the resilient tube against the wall, a squeezing member holder that holds the squeezing member; a cam member whose surface re... | 08/07/2007 |
| 7223079 | Quick loading peristaltic pump A peristaltic pump for transporting a fluid within a flexible tube having a first end, a middle portion, and a second end. The peristaltic pump may include a roller assembly positioned for rotation, a first door positioned adjacent to the roller assembly and pivotab... | 05/29/2007 |
| 7191957 | Peristaltic machine for depositing viscous materials A peristaltic depositing machine includes a hopper to store viscous material. A flexibly deformable tubing section is connected to the hopper for receiving the viscous material. A pair of rollers cooperate to compress tubing section and thereafter move forwardly alo... | 03/20/2007 |
| 7168930 | Peristaltic pump with air venting via the movement of a pump head or a backing plate during surgery A peristaltic pump 10 for use in ophthalmic surgery includes a housing 12, a pump head 14 having plurality of rollers 16, a backing plate 18 attached to the housing 12, and a length of surgical tubing 50. The rollers ... | 01/30/2007 |
| 7074021 | Cartridge to be used with a peristaltic pump A cartridge used with a peristaltic pumping apparatus, the cartridge comprising a housing and a retainer. The housing having a front and back portion along with a peripheral surface, where the front side is selectively engageable with the pumping apparatus and has a... | 07/11/2006 |
| 7059840 | Energy-saving, anti-free flow portable pump for use with standard PVC IV tubing An apparatus for pumping fluid through tubing comprising a stop platen is disclosed. The stop platen is operatively arranged to depress a wall of the tubing along a section of a longitudinal axis of the tubing. The stop platen is narrower than the tubing along a tra... | 06/13/2006 |
| 7018182 | Self-loading peristaltic pump for extracorporeal blood circuit A peristaltic pump is disclosed having pump motor with a rotating motor shaft and a shaft axis; a peristaltic pump head rotatably mounted on the motor shaft; a raceway having a semi-circular track arranged around the pump head and coaxial with the shaft axis, wherei... | 03/28/2006 |
| 6918748 | Tube pump A tube pump (1A) of the present invention is provided with a main body (2) to which a tube (100) is attached, a rotor (5), an oscillator (6) located so as to touch an outer circumferential face of the rotor (5), and a plural... | 07/19/2005 |
| 6881043 | Injection apparatus incorporating clamping and squeezing members for pumping liquid through flexible tubing A piston pump propels liquid through a lumen of a flexible tube segment. The pump includes a first tube clamping member, a first set of tube squeezing members, a second tube clamping member, a second set of tube squeezing members and a synchronizing arrangement for ... | 04/19/2005 |
| 6872059 | Liquid discharger and apparatus including the liquid discharger A liquid discharger 1A has a base 2A where a resilient tube 100 is disposed in a tube guide groove 211A. A retainer 4A is rotatably provided at the base 2A, with a plurality of balls 5 being mounted at the retainer | 03/29/2005 |
| 6811386 | Peristaltic pump with preformed tube A peristaltic pump mechanism comprises a base plate (11) having a generally planar surface for supporting a pump tube (12) to extend at least partially around a circular path defined on said surface, an operating section (10) connectable to the ... | 11/02/2004 |
| 6769885 | Peristaltic pump, use of said pump, guide path for use in a peristaltic pump and a method of lubricating a peristaltic pump A peristaltic pump (6) for pumping viscous media, comprises a housing (6A, 6B) having a wall (12) against which a hose (25) is placed, a shaft (7) that is centrally positioned in the housing and that carries a roller arm ( | 08/03/2004 |
| 6736617 | Peristaltic pump having automatically adjusting bushing A roller pump includes a stator, a rotor assembly including a rotor hub, a first roller slide and a second roller slide slidingly disposed within the rotor hub, with each of the roller slides supporting a roller. At least one adjustable bushing is mounted within at ... | 05/18/2004 |
| 6655934 | Inverted peristaltic pumps and related methods Inverted peristaltic pumps and related apparatus/methods wherein one or more compressible pump tubes are formed or mounted on a core member and one or more tube compressing members move about the core member so as to compress the tube(s) and propel a flui... | 12/02/2003 |
| 6645176 | Spring loaded implantable drug infusion device An implantable drug infusion device includes a pump tube for holding a liquid to be pumped. A race is configured to support the tube. A roller assembly is configured to compress the tube against the race at one or more points along the path, and the rolle... | 11/11/2003 |
| 6607363 | Magnetic detent for rotatable knob A roller pump including a stator and a rotor assembly disposed within the stator. The rotor assembly includes a rotor hub, a first roller slide and a second roller slide slidingly disposed within the rotor hub. Each of the roller slides rotatably supports... | 08/19/2003 |
| 6599106 | Tube pump and ink jet recording apparatus incorporating the same In a tube pump, a rotor is fixed to a drive shaft so as to rotate therewith. A tube pressing member is swingable in an axial direction of the drive shaft. A swinging member swings the tube pressing member in accordance with the rotation of the rotor. An u... | 07/29/2003 |
| 6506035 | Roller for peristaltic pumps having a plurality of projections to minimize current draw An improved roller for peristaltic pumps includes a central portion and a plurality of projections extending radially outwardly from the central portion. The projections enable use of a roller having a larger diameter, while ensuring that the tube carryin... | 01/14/2003 |
| 6468059 | Hose cassette for a peristaltic pump A hose cassette (1), for a peristaltic pump (2), includes a cassette housing (3) and a flexible hose (4) extending through cassette housing (3). The hose (4) is guided in the cassette housing (3) along a circular segment. The cassette housing (3) has a cu... | 10/22/2002 |
| 6164921 | Curvilinear peristaltic pump having insertable tubing assembly A curvilinear peristaltic pump for facilitating the pumping of a liquid through a length of resilient tubing. The pump comprises a housing having a platen member attached thereto and a rotatable cam disposed therewithin. Also disposed within the housing i... | 12/26/2000 |
| 6149621 | Irrigation-aspiration apparatus An irrigating fluid from irrigating bottle (10) is supplied to the eye under operation through the tip of US handpiece (2) and sucked in through flexible aspirating tube (16) together with the residue in the eye. Peristaltic pump (20) sucks in the liquefi... | 11/21/2000 |
| 6102678 | Peristaltic pump The invention is a peristaltic pump having a particularly simple construction and a low axial bulk. The pump (1) includes a rotor (20) having rollers (21,22,23) which roll against a tube (14) containing the liquid to be pumped. The compression of the tube... | 08/15/2000 |
| 6093002 | Transport hose with safety channel and method of using the hose in a pump A hose has an internal longitudinal channel in its sidewall as a safety device, to provide a prompt indication of impending failure or leakage into or out of the hose. A hose pump featuring such a hose is an improvement over conventional peristaltic pumps... | 07/25/2000 |
| 6041709 | Peristaltic pump for pumping ink or cleaning fluids in a printing machine A peristaltic type pump for pumping ink to a printing section of a corrugated paperboard finishing machine capable of both pumping ink to the printing section and pumping excess ink from the printing section back to an ink supply as well as pumping a clea... | 03/28/2000 |
| 6029688 | Water wheel for pumping chemical treatment into water stream The invention is a water wheel supplying energy to a pump. The pump will typically be used to apply chemical treatments to the water stream. Some examples of chemicals to be added are acids or bases to bring the pH to an acceptable level, precipitation ai... | 02/29/2000 |
| 5954486 | Squeeze pump having shrink fitter rollers A squeeze type pump, which transfers slurry via an elastic tube by squeezing the elastic tube with pairs of rollers to elastically deform the tube while moving each pair of squeezing rollers. The squeeze type pump includes a cylindrical drum with the elas... | 09/21/1999 |
| 5846061 | Peristaltic metering pump A multiple channel peristaltic metering pump includes a base having a pair of spaced apart bearings, a rotor supported on the base and an occlusion member. The rotor includes a rotation shaft in the bearings and a plurality of rollers mounted thereon. A p... | 12/08/1998 |
