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| Number | Title | Issue Date |
| 8177751 | Conveying device in or for an apparatus for administering a drug A conveying device in or for an apparatus for administering a product, including a base, a first conveying member which can be moved relative to the base and includes a first thread, a second conveying member which can be moved relative to the base and includes a se... | 05/15/2012 |
| 7972306 | Directly engaged syringe driver system A syringe driver system comprises a rotatable threaded lead screw shaft and a plunger which directly engages the threaded shaft such that rotation of the shaft drives the plunger into the syringe body. The plunger is formed with a threaded shaft engaging portion in ... | 07/05/2011 |
| 7959609 | Accurate metering system The present invention is directed to metering devices, systems, and methods that mitigate differential thermal expansion/contraction for the efficient, accurate, and reproducible metered delivery of fluids. The present invention allows the net fluid volume and a plu... | 06/14/2011 |
| 7959608 | Thrombectomy and soft debris removal device A device suitable for removing material from a living being is provided, featuring an infusate pump, and an aspiration pump, both powered by a motor. The aspiration pump and infusate pump preferably feature a helical pumping mechanism, and operate at a high rate of ... | 06/14/2011 |
| 7938803 | Dispensing fluid from an infusion pump system Some embodiments of an infusion pump device may include a drive system that accurately and incrementally dispenses fluid from the pump device in a controlled manner. Particular embodiments of the drive system may include a rotational motor that is coupled to a strin... | 05/10/2011 |
| 7922695 | Drug delivery pump drive using linear piezoelectric motor A drug delivery pump drive which uses a linear piezoelectric motor to advance a syringe piston to deliver a liquid drug and a method thereof are disclosed. The pump drive, provided in a drug delivery pump, provides silent operation and very low energy consumption co... | 04/12/2011 |
| 7862544 | Drive device for a piston in a container containing an injectable product A drive arrangement for an injection device, including a first stage, a second stage and a drive for shifting the stages, wherein the drive acts on one of the stages to shift said one of the stages first and wherein the stage which is first shifted encounters a high... | 01/04/2011 |
| 7806868 | Drug reservoir loading and unloading mechanism for a drug delivery device using a unidirectional rotated shaft A drug reservoir loading and unloading mechanism for drug delivery device using unidirectional rotated lead screw and method thereof are disclosed. The drug reservoir loading/unloading mechanism allows exchanging the drug reservoir quickly with very few steps and wi... | 10/05/2010 |
| 7803134 | Syringe assembly and infusion pump assembly incorporating such A syringe assembly for use with an infusion pump having a drive piston. The syringe assembly comprises a substantially hollow syringe housing and a plunger axially movable within the syringe housing to dispense a fluid therefrom. The plunger has a body with a portio... | 09/28/2010 |
| 7794430 | Injection device Injection devices are known for the self administration of medicament by patients in which the medicaments is typically contained within a cartridge located within the injection device. It is a problem that injection devices should be small enough to fit into a jack... | 09/14/2010 |
| 7686787 | Infusion device and method with disposable portion A delivery device includes a durable housing portion and a separable disposable portion that selectively engage and disengage from each other. The disposable housing portion secures to the patient and may be disposed of after it has been in use for a prescribed peri... | 03/30/2010 |
| 7670315 | Injectors, injector systems and methods for injecting fluids An injector for injection a fluid into a patient, including: a first pressurizing mechanism adapted to operatively connect with a first fluid container to pressurize fluid therein; at least a second pressurizing mechanism to operatively connect with a second fluid c... | 03/02/2010 |
| 7534226 | Dispensing fluid from an infusion pump system Some embodiments of an infusion pump device may include a drive system that accurately and incrementally dispenses fluid from the pump device in a controlled manner. Particular embodiments of the drive system may include a rotational motor that is coupled to a strin... | 05/19/2009 |
| 7422570 | Syringe pump having a piston brake The syringe pump comprises a receiving position for a syringe. The piston plate of the syringe is moved by a drive head which is fastened to a drive rod. For locking the piston rod prior to fixing the piston plate in the drive head, a braking element is provided on ... | 09/09/2008 |
| 7390314 | Lead screw driven reservoir with integral plunger nut and method of using the same An improved reservoir is provided for use in a medication infusion device for operating the reservoir to administer a fluid to a patient. The reservoir comprises a hollow barrel adapted to receive a supply of fluid for delivery through infusion tubing or the like to... | 06/24/2008 |
| 7367358 | Medical fluid delivery system and method relating to the same A medical fluid delivery system for the use in the delivery of medical fluids. The medical fluid delivery system may include a pumping system, a disposable medical fluid line set and a valve operating system. The disposable tubing line set may include valves adapted... | 05/06/2008 |
| 7357899 | Reagent addition system and method A piston coupling for a micro-liter range liquid dispensing system for connecting a piston to a piston drive shaft generally includes a U-shaped body portion having a U-shaped arm and an annular barrel-shaped bearing seated in the U-shaped body portion and retained ... | 04/15/2008 |
| 7338472 | Directly engaged syringe driver system A syringe driver system comprises a rotatable threaded lead screw shaft and a plunger which directly engages the threaded shaft such that rotation of the shaft drives the plunger into the syringe body. The plunger is formed with a threaded shaft engaging portion in ... | 03/04/2008 |
| 7337538 | Methods and apparatuses for joining a pumping cartridge to a pump drive Apparatus and methods of their use are described for engaging a pumping cartridge with a pump drive. In certain embodiments, the cartridge, comprising a cylinder and a movable piston assembly, is initially assembled or subsequently positioned so that the distance be... | 03/04/2008 |
| 7300417 | Syringe/plunger coupling A medical fluid injector, replaceable syringe, and coupling mechanism to engage the syringe plunger to the plunger drive ram of the injector are provided wherein coupling involves a cam cleat-like mechanism, thereby allowing for cooperative movement between the plun... | 11/27/2007 |
| 7294312 | Test cartridge holder for blood samples Improved methods and apparatus that make more accurate and reduces risk of filling reaction chambers of cartridge cells with blood samples to conduct blood coagulation tests of the type employing the plunger technique are disclosed. A cartridge holder is provided th... | 11/13/2007 |
| 7294278 | Method for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 11/13/2007 |
| 7273472 | Drive device for a piston in a container containing an injectable product A drive arrangement for an injection device, including a first stage, a second stage and a drive for shifting the stages, wherein the drive acts on one of the stages to shift said one of the stages first and wherein the stage which is first shifted encounters a high... | 09/25/2007 |
| 7267666 | Angiographic injector system with multiple processor redundancy An angiographic injector system and a method of controllably delivering medical fluid to a patient from an angiographic injector system are disclosed. A multiple processor control system is used to actively control the injection process and to monitor sensed functio... | 09/11/2007 |
| 7264612 | Syringe barrel with guide Since this syringe has projections provided on the rear surface of a flange of a syringe barrel, when it is inserted in an insertion groove of a cylinder holder, the tips of projections are compressed and the flange is fixed. Consequently, even when a solution havin... | 09/04/2007 |
| 7255684 | Medical injection system A method and apparatus for the storage and transfer of medical material includes a syringe having a rodless piston magnetically coupled to an actuator that is positioned along the syringe independent of the rodless piston. The syringe may also include a medical mate... | 08/14/2007 |
| 7232424 | Syringe pump bearing mechanism A lead screw mounting system for a syringe pump in which a second end of a lead screw is located within a connection tube that connects a drive device engaged with the lead screw to a plunger drive head. A bearing mount having diverging bearing surfaces is formed at... | 06/19/2007 |
| 7198615 | Injection device Injection devices are known for the self administration of medicament by patients in which medicament is typically contained within a cartridge located within the injection device. It is a problem that injection devices should be small enough to fit into a jacket po... | 04/03/2007 |
| 7193521 | Method and apparatus for detecting errors, fluid pressure, and occlusions in an ambulatory infusion pump An improved pump, reservoir and reservoir piston are provided for controlled delivery of fluids. A motor is operably coupled to a drive member, such as a drive screw, which is adapted to advance a plunger slide in response to operation of the motor. The plunger slid... | 03/20/2007 |
| 7192417 | Injectors and syringe interfaces for syringes of variable size A syringe interface for attaching syringes to a drive mechanism which includes a drive member to impart motion to a syringe plunger includes a plurality of syringe mount apertures having different dimensions to attach each of a plurality of syringes to the syringe i... | 03/20/2007 |
| 7182751 | Liquid injection system with cylinder adapter holding cylinder flange of liquid syringe with pair of movable holders A cylinder adapter holds a cylinder flange of a liquid syringe with movable holders that are selectively openable and closable. The cylinder adapter can reliably hold the liquid syringe. ... | 02/27/2007 |
| 7182228 | Cartridge with connection for a pump-drive and fluid handling system In a cartridge for a fluid, as well as a system for handling a fluid using such a cartridge, the cartridge has a tank shaped as a cylinder with an opening to admit and discharge the fluid, as well as a piston that can be moved forward and/or back in the tank in orde... | 02/27/2007 |
| 7169127 | Pressure apron direct injection catheter A pressure apron for insitu plug formation is provided. In one embodiment an injection tube having a first channel and a piercing tip is provided, the first channel in fluid communication with a pressure source. In this embodiment, the injection catheter may also in... | 01/30/2007 |
| 7153290 | Syringe pump A flange attaching section has a flange supporting section and a movable section, and the movable section can approach the flange supporting section and separate therefrom due to rotational moving. Even if a flange section of a barrel of a syringe has various thickn... | 12/26/2006 |
| 7150190 | Method and apparatus for capacitively determining the uppermost level of a liquid in a container A liquid level sensor confirms actual physical contact between a probe and a liquid by verifying that any change in capacitance of the sensor is constant over a given time period and thereby is not caused by spurious electrical disturbances or other measuring irregu... | 12/19/2006 |
| 7137967 | Cylinder holder for a syringe barrel Since this syringe has projections provided on the rear surface of a flange of a syringe barrel, when it is inserted in an insertion groove of a cylinder holder, the tips of projections are compressed and the flange is fixed. Consequently, even when a solution havin... | 11/21/2006 |
| 7118347 | Method for activating an electric motor and a metering pump by supplying predetermined pulse intervals to supply predetermined fluid quantities The methods serves for activating an electric motor of a metering pump with which the fluid quantity (Vnom) to be delivered is set by an external impulse trigger, wherein a predetermined delivery quantity (Vnom) is allocated to each impulse (t)... | 10/10/2006 |
| 7108158 | Liquid dispensing device A liquid dispensing device includes at least one piston pump (7), which sucks liquid to be dispensed from a container in a filling cycle and applies the liquid to a target in an emptying cycle and which is driven by an actuator comprising an actuating element... | 09/19/2006 |
| 7104973 | Medicament cartridge Many of those having diabetes take a combination of slow and fast acting types of insulin. It is important that the different forms of medicament do not become confused and that the patient does not receive the incorrect medicament. In combination a medicament deliv... | 09/12/2006 |
| 7101352 | Pressure sleeve assembly A pressure sleeve assembly and a method of its use in a fluid injection system are disclosed. The pressure sleeve assembly includes a longitudinal base member, an endplate associated with the longitudinal base member, a fixed or freely removable door, a cylinder and... | 09/05/2006 |
