| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 604153000 | Deformable resilient chamber type | 29 |
| 20080200878 | Surgical Cassette having a plurality of latching surfaces - 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 cassette so that a peristaltic pump having pump head rollers mounted radially from the axis of rotation of the pump motor compress the elastomeric flow channels against the rigid substrate during operation. | 08-21-2008 |
| 20090312709 | SELF-CONTAINED PUMP - A self-contained pump is disclosed that is an integrated pump. It has a reservoir, a pumping mechanism, and at least one outlet. The pumping mechanism is for controlled compression of the reservoir to force a required volume of fluid in the reservoir through the at least one outlet. | 12-17-2009 |
| 20100049134 | PUMP DEVICE, TUBE DEVICE AND METHOD FOR MOVEMENT AND COLLECTION OF FLUID - A pump device, tube device and method for the aspiration, peristaltic movement and collection of fluid. A rigid tube for drawing fluid connected to a primary flexible tube. The primary flexible tube inserted through a peristaltic pump. | 02-25-2010 |
| 20100057006 | MICROPUMP - A micropump, which in particular is a pump for a medicinal active substance and which may be an insulin pump or an analgesic pump, has at least one valve, which has a valve chamber, and has a pump chamber. At least one immobile structural element, which reduces the valve chamber volume, is provided in the valve chamber. | 03-04-2010 |
| 20100057007 | Device and Method Employing Shape Memory Alloy - A system for the metering and delivery of small discrete volumes of liquid is comprised of a small or minimal number of inexpensive components. One such component is a movable member, such as a miniature precision reciprocating displacement pump head, which is driven by an actuator that comprises a shape memory alloy material. The operating mechanism of the system is of little or minimal complexity. The system facilitates the precise metering and delivery of the small discrete volumes of liquid. Potential applications for the system include subcutaneous, long-term, automated drug delivery, for example, the delivery of insulin to a person with diabetes. In such an application, the small, simple and inexpensive nature of the invention would allow for its use as both a portable and a disposable system. | 03-04-2010 |
| 20100063448 | PUMP ASSEMBLY COMPRISING ACTUATOR SYSTEM - The invention provides a pump assembly comprising an actuator lever, an actuator for moving the actuator lever, a supporting structure, a pump comprising a pump member moveable by actuation of the actuator lever, a first pivoting joint formed between the actuator lever and the supporting structure, and a second pivoting joint formed between the actuator and the supporting structure. The actuator lever and the actuator are coupled to each other by a coupling joint arranged between the first and the second pivoting joint in such a way that rotation of the actuator in a first direction causes the actuator lever to rotate in an opposite second direction. By providing an actuator system comprising two actuator elements linked to each other by a coupling joint ensuring counter rotation of the two members, a system is provided which can be made less susceptible to the influence of acceleration. | 03-11-2010 |
| 20100114030 | PERFUSION OR ENTERAL/PARENTERAL FEEDING PUMP - This pump with a battery-powered drive device comprises a circular elastic diaphragm ( | 05-06-2010 |
| 20100130934 | PUMPING UNIT FOR ENTERAL OR PARENTERAL NUTRITION OR PERFUSION - The invention relates to a single-use pumping casing (A) provided with an inlet duct ( | 05-27-2010 |
| 20100168672 | PORTABLE INFUSION PUMP OF THE SKIN PATCH TYPE WITH SPIRAL COLLAPSIBLE RESERVOIR - An ambulatory pump comprising a reservoir ( | 07-01-2010 |
| 20100174239 | Tubing for Fluid Delivery Device - Delivery tubes having a flexible portion and pump mechanisms ( | 07-08-2010 |
| 20110021993 | MINIATURE DISPOSABLE OR PARTIALLY REUSABLE DOSING PUMP - The invention is a dosing pump that can be worn on the body of a patient for subcutaneously delivering liquid with centi-micro liter accuracy to his/her body. The dosing pump comprises a pump unit, an internal control unit; and a reservoir containing the liquid. The pump unit comprises a pump block ( | 01-27-2011 |
| 20110060284 | COMPACT PERISTALTIC MEDICAL PUMP - A compact medical pump includes a linear peristaltic pumping mechanism driven by a motor located within a periphery of a belt of the pumping mechanism. The motor drives a gear set that drives a driving pulley which engages the belt having the rollers. A battery for the pump is positioned adjacent to the gear set. The pump includes a controller and user interface for operating the pumping mechanism as a function of pumping parameters input via the user interface. The controller may sense motor current and determine fluid path characteristics based on the sensed current. | 03-10-2011 |
| 20110087165 | TWO PIECE MEDICATION CASSETTE CLOSURE APPARATUS AND METHOD - A disposable medical cassette apparatus and method for housing medication in a tamper resistant enclosure for selective coupled attachment to an ambulatory infusion pump. In some embodiments, the device may include a first assembly comprising a rear housing and a pressure plate affixed to one another, as well as a second assembly comprising a cover that includes a plurality of lock feature protrusions and at least one slotted aperture. The first assembly and second assembly are adapted for permanent coupling by a first and second lock arrangements. Generally, the first lock arrangement includes lock feature protrusions of the second assembly engaging within the lock receiving structures of the first assembly. Further, the second lock arrangement includes at least one tabbed snap member of the first assembly engaging within at least one corresponding slotted aperture of the second assembly. | 04-14-2011 |
| 20110152772 | Peristaltic Pump with Bi-Directional Pressure Sensor - Fluid delivery apparatus includes a peristaltic pump having an upstream end for receiving a fluid from a fluid source and a downstream end for delivering the fluid to a fluid target. A single pressure sensor is configured to measure, in alternation, an input pressure of the pump at the upstream end and an output pressure of the pump at the downstream end. | 06-23-2011 |
| 20120016306 | INFUSION PUMP - An apparatus for delivering fluid at a substantially constant flow rate includes a pair of substantially rigid surface elements for defining a volume that is variable according to constrained separation of the pair of surface elements. The apparatus further includes a support member disposed within the volume defined by the pair of surface elements; and a holding reservoir disposed within the volume defined by the pair of surface elements. The holding reservoir is attachably fastened at a first end to the support member and attachably coupled at a second end to the pair of surface elements. | 01-19-2012 |
| 20120150116 | FLUID DELIVERY SYSTEM HAVING A PLURALITY OF RESILIENT PRESSURIZING CHAMBERS - A fluid delivery system includes a fluid container, two or more pressurizing chambers in fluid connection with the fluid container, a drive mechanism in operative connection with the two or more pressurizing chambers to pump fluid from the fluid container and an outlet in fluid connection with the two or more pressurizing chambers. Each of the two or more pressurizing chambers is formed from a flexible, resilient material that is adapted to be compressed to pressurize fluid therewithin. | 06-14-2012 |
| 20120197199 | DETACHABLE DRUG DELIVERY DEVICE - A reservoir for use in a wearable infusion device includes a substantially rigid base having a perimeter, a substantially rigid top having a perimeter, and a flexible rolling diaphragm between the base and the top. The diaphragm has an outer perimeter sealed along the perimeter of the base and an inner perimeter sealed along the perimeter of the top. The diaphragm is arranged to dispose the top and the base immediately adjacent each other when the reservoir is empty and to dispose the top and the base in spaced apart relation when the reservoir is full. | 08-02-2012 |
| 20120277678 | Pump for Powered Irrigator for Sinus Cavity Rinse - A powered irrigator for use in rinsing nasal cavities provides a main body having a handle and fluid reservoir detachably coupled to one another, an outlet nozzle extending from a top end of the handle, a pump mechanism operably coupled to a power source, and a switch operably coupled to the power source for turning the pump mechanism on and off, and when the switch turns on the pump mechanism, fluid flows from the fluid reservoir into a first fluid coupling between the reservoir and the pump mechanism and into a second fluid coupling between the pump mechanism to the outlet nozzle. | 11-01-2012 |
| 20120310162 | DISPOSABLE CASSETTE FOR MEDICAL USE FOR A PERFUSION PUMP, AND METHOD FOR MANUFACTURING SAME - A disposable cassette intended for a metering pump for infusion consisting of just two components, namely, a hollow first component ( | 12-06-2012 |
| 20130116623 | PERISTALTIC INFUSION PUMP WITH LOCKING MECHANISM - A medical device includes an interface unit body, which is configured to hold a portion of a flexible infusion tube. A hinge insert is fixed to the interface unit body and is configured to engage a hinge receptacle, which defines a hinge axis, on an infusion pump. A catch insert is fixed to the interface unit body and is configured to lock onto a catch receptacle on the infusion pump upon rotation of the mechanical interface unit about the hinge axis while the hinge insert engages the hinge receptacle, so as to bring the tube into engagement with a peristaltic mechanism of the infusion pump in order to enable the peristaltic mechanism to propel a fluid through the tube. | 05-09-2013 |
| 20130123703 | PULSE INFUSION DEVICE SYSTEM AND METHOD - A device, system and method are disclosed for providing infused medication in a continuous pulse flow at a defined volume and frequency while maintaining a stable and accurate average flow rate, in order to provide improved nerve bathing and thus continuous pain blockage. The system may comprise an external reservoir, such as an infusion bag, and a pulsed flow generation device for generating a controlled pulse of fluid received from the external reservoir and retained in an internal reservoir such as a disposable syringe. One method according to an embodiment of the present invention may comprise receiving a fluid medication, such as an anesthetic substance, from an external reservoir, containing the fluid in an internal reservoir, and when the volume of fluid reaches a certain predefined value, releasing at least one pulse of fluid to create nerve bathing at a treated area. | 05-16-2013 |
| 20130211333 | INFLATABLE ELASTOMERIC PUMP FOR AN INFUSION DEVICE - An improved elastomeric pump for an infusion assembly. The pump includes a generally cylindrical mandrel body with first end, an opposed second end, a length, an outer diameter corresponding to a first radius (R | 08-15-2013 |
| 20140194820 | FLUID PUMPING APPARATUS FOR USE WITH A REMOVABLE FLUID PUMPING CARTRIDGE - The present invention involves, in some embodiments apparatus, such as dialysis apparatus, and methods for pumping fluid. Certain embodiments comprise a housing enclosing a pump drive assembly for actuating at least one pump on a removable fluid pumping cassette. The housing may comprise a door connected to the housing for enclosing an installed cassette in the housing upon closure of the door. The pump drive assembly may comprise a mating block configured for operative association with an installed cassette and to may be configured to permit a sealing engagement with an installed cassette upon closure of the door. To facilitate sealing, certain embodiments of the door include a movable compression plate configured to exert a compressive force on an installed cassette against the mating block when the door is in a closed position. | 07-10-2014 |
| 20140207068 | PUMPING DEVICE, AS FOR ENTERAL FEEDING ASSEMBLY - A pumping device is disclosed, as for use with an enteral feeding assembly. In one form the pumping device is a diaphragm pump including a first dome portion, a second dome portion, and a flexible membrane located between the first and second dome portions. A pressure differential is created between the two chambers thus created by membrane, so as to meter fluid (to be delivered) to a patient. The fluid to be delivered may be located in one of the chambers. A portable fluid pump is also provided including a syringe and spring pump drive mechanism mounted in a casing. The spring pump drive mechanism has two piston devices in fluid communication with each other. As one piston device moves in one direction within its associated driving barrel, it serves to drive the other piston device. | 07-24-2014 |
| 20150011940 | PUMPING DEVICE HAVING IMPROVED EMPTYING DETECTION FEATURES - Sensor for dynamically detecting the residual fluid volume V | 01-08-2015 |
| 20150038907 | FLUID-CONNECTION MECHNISM FOR PATCH-PUMPS - The present invention provides a selectively activatable patch-pump assembly, said patch-pump assembly comprising: •a sealed prefilled drug-reservoir containing a drug to be delivered; •an associated conduit in connection therewith; •a selectively activatable penetrator which penetrates said sealed prefilled drug-reservoir and facilitates drug access to said conduit; and •a selectively activatable, associated, cannula-containing assembly for delivering a drug subcutaneously to a subject, in fluid connection with said conduit; wherein a selective activation-step initiates penetration of said sealed prefilled drug-reservoir, drug access from said drug-reservoir to said conduit, drug access from said conduit to said cannula-containing assembly and delivery from said cannula-containing assembly, thereby being a selectively activatable patch-pump assembly. | 02-05-2015 |
| 20150141922 | Inflatable Elastomeric Pump for an Infusion Assembly - An improved elastomeric pump for an infusion assembly. The pump includes a generally cylindrical mandrel body with first end, an opposed second end, a length, an outer diameter corresponding to a first radius (R | 05-21-2015 |
| 20160074576 | PORTABLE PUMP FOR INTRAVENOUS FLUIDS - A device includes at least one housing, a first input line operatively connected to a fluid source that is external to the at least one housing, and a second input line operatively connected to the fluid source. The device further includes a first fluid reservoir operatively connected to the first input line and a second fluid reservoir operatively connected to the second input line. An output line is operatively connected to the first fluid reservoir and the second fluid reservoir. An actuator is configured to facilitate a flow of fluid from the fluid source, through the first input line and second input line, and through the first fluid reservoir and second fluid reservoir. Each of the first and second input lines remains operatively connected to the fluid source during operation of the actuator. | 03-17-2016 |
| 20160199573 | AUTONOMOUS LIQUIDS PUMP FOR TRANSPORTING A FLUID TO A LIVING BEING | 07-14-2016 |
