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7607554 |
Peristaltic precision metering device, system and method of use thereof
The invention relates generally to a peristaltic precision metering device, system and method of using the same. Disclosed is a metering device which includes a metering element that can engage...
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7540873 |
Four function microsurgery instrument
The present invention is directed to a four function microsurgery instrument performing the functions of aspiration, irrigation, dilation and cauterization. An embodiment of the present invention...
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7540855 |
Disposable aspirator cassette
An aspirator cassette includes a housing having first and second ends sealed off by first and second end caps, respectively. A partition mechanism is enclosed within the housing for dividing its...
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7500962 |
Medical fluid machine with air purging pump
A medical fluid machine includes a housing providing a first wall and a second wall, the first and second walls at least partially defining a pump chamber. A fluid receptacle is located within the...
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7470253 |
Fluid delivery apparatus with adjustable flow rate control
A compact fluid dispenser for use in controllably dispensing fluid medicaments, such as, antibiotics, analgesics, and like medicinal agents from the device reservoir. The fluid dispenser includes a...
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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...
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7402154 |
Method for compensating for pressure differences across valves in cassette type IV pump
A pump used to infuse a fluid into a patient is controlled in accordance with an algorithm that enables a microprocessor to monitor and adjust each pump cycle to compensate for a differential...
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7393189 |
Surgical cassette having an aspiration pressure sensor
A cassette having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The flow channel projects outwardly from the exterior of the...
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7360999 |
Means for using single force sensor to supply all necessary information for determination of status of medical pump
A medical pump, for use with a cassette having a pumping chamber, includes a pumping element with a piston slider assembly which intermittently pressurizes the pumping chamber during a pumping...
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7341572 |
Infusor with flexible sheath
An improved ambulatory infusion device for dispensing a fluid into a patient includes a flexible bladder enclosure including a sheath of flexible material having a first open end a closed second...
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7338260 |
System and method for controlling current provided to a stepping motor
A system and method is disclosed for controlling the input electrical current to an infusion pump stepper motor based on predetermined torque requirements. The system can include a motor controller...
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7278981 |
Disposable cartridge for a blood perfusion system
A disposable cartridge for use in extracorporeal blood perfusions systems that have a control unit for controlling the flow of fluids. The cartridge has a housing defining a plurality of internal...
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7273359 |
Peristaltic irrigation pump system
A peristaltic pump tubing system for use with a peristaltic pump roller assembly in a surgical procedure. The system comprises a uniquely shaped disposable cassette for retaining tubing to be used...
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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...
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7144385 |
Discharging implement for medical care
For safely inserting a catheter into a chest cavity of a child or corpulent patient to be retained therein and for preventing atmospheric air from proceeding into the chest cavity during a removal...
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7144383 |
Surgical/medical irrigating handpiece with variable speed pump, integrated suction and battery pack
A medical/surgical irrigating handpiece with both a discharge line through which fluid is applied to the site and a suction line through which the discharge fluid is drawn away. The handpiece has a...
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7121815 |
Tube coupling for a peristaltic pump
An infusion pump has a housing ( 10 ) accommodating a pump finger mechanism ( 12 ). The pump finger mechanism ( 12 ) acts on a pump hose ( 13 ) fastened at holders ( 16, 21 ) of the housing. The...
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7070578 |
Surgical cassette latching mechanism
A surgical system having a cassette latching mechanism having two pivoting latching rails. The rails are connected to a rotating latching wheel by spring-loaded latching arms. The latching wheel is...
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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...
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7033132 |
Bladeless pump
A pump which is bladeless, and uses a substantially cylindrical outer cylinder to rotate inside a ridged inner chamber.
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7029245 |
Blood pumping unit, with a coplanar disk inlet valve and an annular outlet valve
A unit for pumping fluid, particularly blood, is provided with an enclosure that has two half-shells and an elastic membrane fixed perimetrically to the enclosure in order to divide its space into...
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7004727 |
Blood component processing systems and methods using fluid-actuated pumping elements that are integrity tested prior to use
Blood component processing systems and methods are coupled to a blood component processing device. The systems and methods include a fluid circuit that comprises at least one fluid pressure...
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6974445 |
Implantable medical device for delivering a liquid
The invention concerns an implantable device ( 1 ) for delivering medicines in liquid form comprising: a reservoir ( 2 ) provided with an inlet ( 3 ) and an outlet ( 10 ), said reservoir ( 2 )...
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6953323 |
Medical fluid pump
A method, system and apparatus for performing peritoneal dialysis are provided. To this end, in part, a pump for a dialysis system is provided. The pump includes a first chamber wall including a...
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6948918 |
Membrane pump with stretchable pump membrane
The invention relates to membrane pumps for delivering liquids. More specifically, a pump is provided having a pump housing with a pump cavity formed between first and second wall portions thereof,...
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6942473 |
Pump and tube set thereof
A pump includes a housing defining a tube receiving portion and a blade mounted for reciprocating movement between first and second positions. In its first position, the leading edge of the blade...
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6935847 |
Spontaneous inflation inhibitor for inflatable prosthesis
A pump assembly for a penile implant is provided having a mechanism which prevents spontaneous inflation of the cylinders implanted within the user. The preventative mechanism uses overpressure...
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6835049 |
Occlusion detector for rotary peristaltic pump
The invention concerns a detector for detecting malfunction in a peristaltic pump wherein a flexible tubing ( 44 ) containing a fluid is locally compressed against a support part by rollers ( 32 )...
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6830557 |
Liquid foaming soap compositions and dispensing system therefor
By providing a mixture of surfactants and water, with the water content ranging between bout 40% and 95% by weight based upon the weight of the entire composition, a unique, improved, liquid based...
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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...
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6767337 |
Infusion apparatus for use with an infusion bag
The invention relates to an infusion apparatus for use in combination with an infusion bag ( 10 ) comprising and/or being connectable with a conduit means ( 12 ) for transport of infusion liquid to...
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6746419 |
Irrigation handpiece with built in pulsing pump
A pulsed irrigation handpiece comprises a pulsed irrigation liquid outlet for applying liquid pulses to a surgical site, a pump unit reciprocatingly driveable for pumping pulses of irrigation...
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6743201 |
Cassette for delivering fluids, especially dialysis fluids
A cassette for delivering fluids, especially dialysis fluids, with connecting elements for connecting solution bags and lines leading to the patient for to the dialysis machine, with at least one...
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6731216 |
Proper tubing installation testing method and apparatus for a peristaltic pump
A tubing installation checking device is provided for determining proper installation of a tubing along a tube receiving channel in a peristaltic pump of the type having a tube receiving channel...
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6709417 |
Valve for intravenous-line flow-control system
A valve ( 7 ) for use in controlling the flow of IV fluid from a source to a patient. A cassette may include along the fluid passage through the cassette, first and second membrane-based valves (...
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6692241 |
Infusion pump
When a door is opened, a midway part of an infusion tube is temporarily held in a fixed position of a pump body and the door is to be closed, in order to actively prevent the door from being closed...
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6663359 |
Pump chamber having at least one spacer for inhibiting the pumping of a gas
Pump chambers are disclosed that include at least one spacer element therein to prevent any gas in the pump chamber from being pumped from the pump chamber during pumping. In some embodiments, the...
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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...
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H002090 |
One-piece unitary occluder
A one-piece unitary occluder is disclosed which is utilized with a fluid administration set to occlude a portion of a tube assembly which is interconnected between a source of fluid and a patient....
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6632215 |
Medical devices using electrosensitive gels
The present invention concerns a novel drug delivery unit. The drug delivery unit comprises a medical material and a quantity of gel. Also provided is a permeable membrane. The permeable membrane...
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6629955 |
Medical instrument flow stop interface
A fluid infusion pump includes a platen between an outer door and the pumping mechanism. The platen is located so that as the outer door of the pump is moved to the closed position, it moves the...
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6626867 |
Implantable drug infusion device with peristaltic pump using tube guides
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...
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6607368 |
Linear pump and method
A linear pump for pumping a fluid includes a generally tubular shaped bladder 50 sealingly engaged on each end to an end cap 20, 25, forming an inner chamber 14, and including each of an...
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6551277 |
Syringe pumps
A syringe pump has a plunger head retainer with two retainer arms mounted on shafts extending parallel to the syringe axis. Each shaft carries a gear, which is engaged by common gear wheel mounted...
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6530901 |
Portable painkilling system
A portable painkilling system comprises: a first continuous injector ( 1 ) for liquid medicine which continuously discharges liquid medicine through a control path ( 131 ) in an outlet portion ( 13...
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6500156 |
Thumb-powered flushing device for catheters
A catheter flushing device includes a chamber covered with a movable member (e.g., a flexible diaphragm) that can be compressed by exertion of pressure on the diaphragm; and a valve having a first...
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6494694 |
Disposable infusion cassette with low air bubble retention and improved valves
A disposable cassette for use with a medical infusion pump. An elastomeric membrane is captured between a facing member and a base of the cassette and is displaced into a pumping chamber. The...
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6485464 |
Reduced height implantable drug infusion device
An implantable drug infusion device includes a pumphead assembly and a motor assembly operably connected to the pumphead assembly. The motor assembly is adjacent to and laterally offset from the...
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6485461 |
Disposable infusion device
A disposable device is provided which accurately and reliably delivers an infusable liquid to a patient. The infusion device includes a housing which defines a bladder chamber. A compressible...
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6422057 |
Drug pump testing system and methods
A drug pump testing system and method comprise a pump control module having tube engaging members, with the pump control module coupled to a calibration cassette. The calibration cassette houses a...
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