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114 results about "Medication infusion" patented technology

Methods and apparatuses for detecting 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 slide is removably coupled to the piston. A method, system, and an article of manufacture for automatically detecting an occlusion in a medication infusion pump is provided. The electrical current to an infusion pump is measured. Based on measurements of one or more variables, the infusion pump detects whether there is an occlusion in the system. The methods of detecting occlusions may be dynamic.
Owner:MEDTRONIC MIMIMED INC

Methods and apparatuses for detecting 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 slide is removably coupled to the piston. A method, system, and an article of manufacture for automatically detecting an occlusion in a medication infusion pump is provided. The electrical current to an infusion pump is measured. Based on measurements of one or more variables, the infusion pump detects whether there is an occlusion in the system. The methods of detecting occlusions may be dynamic.
Owner:MEDTRONIC MIMIMED INC

Method and apparatus for selective drug infusion via an intra-aortic flow diverter delivery catheter

InactiveUS20060030814A1Reduce distractionsBalloon catheterSurgeryMedicineAortic flow
A local renal delivery system includes a flow isolation assembly and a local injection assembly. The flow isolation assembly in one mode is adapted to isolate only a partial flow region along the outer circumference along the aorta wall such that fluids inject there are maintained to flow substantially into the renal arteries. Various types of flow isolation assemblies and local injection assemblies are described.
Owner:ANGIODYNAMICS INC

Method and apparatus for detecting 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 slide is removably coupled to the piston. A method, system, and an article of manufacture for automatically detecting an occlusion in a medication infusion pump is provided. The electrical current to an infusion pump is measured. Based on a series of measurements of one or more variables, the infusion pump detects whether there is an occlusion in the system.
Owner:MEDTRONIC MIMIMED INC

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 slide is removably coupled to the piston. A method, system, and an article of manufacture for automatically detecting a force sensor failure in a medication infusion pump is provided. The electrical current to an infusion pump is measured. Based on the current measurements, the infusion pump detects when the plunger slide is seated in the reservoir, and detects a problem with the force sensor when the force sensor independently fails to register a value indicating that the plunger slide is seated in the reservoir.
Owner:MEDTRONIC MIMIMED INC

Method and apparatus for detecting occlusions in an ambulatory infusion pump

InactiveUS20070191770A1Infusion syringesMedical devicesMedication infusionDrug infusion pumps
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 slide is removably coupled to the piston. A method, system, and an article of manufacture for automatically detecting an occlusion in a medication infusion pump is provided. The electrical current to an infusion pump is measured. Based on a series of measurements of one or more variables, the infusion pump detects whether there is an occlusion in the system.
Owner:MEDTRONIC MIMIMED INC

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 the patient, in combination with a reservoir plunger. The reservoir plunger is designed to engage a motor-driven lead screw of the medication infusion device. The reservoir plunger has an integral split nut connector formed on the end of the plunger, which is in co-axial alignment with the lead screw whereby the split nut connector can be engaged directly to the lead screw.
Owner:MEDTRONIC MIMIMED INC

Drug infusion system with reusable and disposable components

The application discloses a drug infusion system comprising a base and a drug dispenser. The base is configured to receive a cannula that delivers a drug to beneath a wearer's skin. The base is attachable to the skin of the wearer. The reusable drug dispenser is removably attachable to the base and has a pump unit configured to establish fluid communication between a removably attachable drug reservoir and the cannula. The pump unit pumps the drug to the wearer upon activation by the wearer. The pump unit may have an inlet to contact the drug within the reservoir, which may be a needle. The pump unit may also have a receiving unit to receive the reservoir. Such a receiving unit may be a tubular for a cylindrical reservoir, or may have a cavity or an encasing unit to hold the reservoir.
Owner:CALIBRA MEDICAL

Clinician-controlled semi-automated medication management

The present invention is directed to methods and apparatuses of medication management based upon active authorization of medication infusion by a clinician that can provide for effective management of an analyte in a patient's blood, reducing the opportunities for human error common with current manual systems while still placing final control of the medication management with the human clinician. For example, a semi-automated glucose management system can measure the glucose level in a patient's blood, recommend infusion parameters to a clinician who can authorize an infusion of glucose or insulin, and infuse the glucose or insulin into the patient.
Owner:LUMINOUS MEDICAL

Patient controlled drug delivery device

A delivery device for patient-controlled infusion of a medicament, the delivery device comprising a reservoir for the medicament and a pump having a predetermined delivery dose which is capable of displacing the medicament from the reservoir and delivering it to a patient, wherein the pump comprises a pumping means, a first conduit, capable of restricting flow rate, chosen in conjunction with the delivery dose of the pumping means to define a predetermined maximum dosage rate, said conduit connecting the reservoir to a pumping means, a one-way valve in fluid communication with the first conduit and the pumping means which permits medicament flow into the pumping means but prevents reverse flow, a controlling means, and a second conduit extending from the pumping means and having a distal end through which the medicament may be released, wherein the controlling means: (a) is in fluid communication with the pumping means and the second conduit; (b) opens when pressured within the dose chamber exceeds a predetermined minimum opening pressure for the controlling means; and, (c) is adapted to prevent the reverse flow of medicament and air into the pumping means.
Owner:ONEIL ALEXANDER GEORGE BRIAN & ONEIL CHRISTINE JOINTLY

Apparatus and method for noninvasive monitoring of analytes in body fluids

Noninvasive in vivo real time analyte measurement uses a multitude of sensors binding reversibly to the analyte whereby the response of the sensors to a noninvasive stimulus is altered by their bound versus unbound state. The stimulus and responses are electromagnetic, magnetic or any other suitable forms. The sensors are bound to a blood component providing transport through the body fluids and sensor elimination. A sensor is constructed from proteins or as a nanodevice. A noninvasive device generates the stimulus, senses the responses, determines the measurement, and controls a medication infusion pump. A non-contact device is used for population screening, and one form of such a device is a nuclear magnetic resonance imager. Measurement in fluids other than blood uses a blood component flowing out of blood and into the desired fluid.
Owner:WILSON KITCHENER CLARK

Thrombolysis and chronic anticoagulation therapy

Thrombolytic and / or anticoagulation therapy of the present invention includes implantation of the discharge portion(s) of a catheter and, optionally, one or more electrodes on a lead, adjacent tissue(s) to be stimulated. Stimulation pulses, i.e., drug infusion pulses and optional electrical pulses, are supplied by a stimulator implanted remotely, and through the catheter or lead, which is tunneled subcutaneously between the stimulator and stimulation site. Stimulation sites include the coronary arteries, coronary veins, cerebral arteries, other blood vessels, chambers of the heart, mesenteric vessels, deep vessels of the leg, and other locations. Disclosed treatments include drugs used for chronic treatment and / or prevention of thromboembolic disease, for acute treatment of thromboembolic disease, for acute treatment of thrombosis, and combinations of these. The invention reduces or eliminates the incidence of thromboembolic disease and related morbidities, improve symptoms resulting from thromboembolic disease, and improve patient quality of life.
Owner:BOSTON SCI NEUROMODULATION CORP

Infusion device with needle shield

The invention relates to a medication infusion set of the type having a flexible cannula adapted for subcutaneous placement, in combination with an insertion, or puncturing, device comprising an insertion needle extending through the cannula and beyond the outer tip thereof, the insertion device further comprising a shield adapted to cover the insertion needle when the latter is withdrawn from the cannula. More specifically, the invention provides a fully integrated shield member having a position in which it covers the cannula and the needle when the insertion device is connected to the housing, a position allowing the cannula to be inserted when the insertion device is connected to the housing, and a position in which the shield covers the needle and the outer tip thereof when the insertion device has been removed from the housing. By this arrangement the need for a separate cover to protect the needle prior to use can be dispensed with.
Owner:UNOMEDICAL AS

Sensor-Augmented Medication Infusion System

A sensor-augmented medication infusion system includes a sensor attached to a body of a user to detect an analyte level of the user. An infusion device is adapted to be carried by the user that includes a drive mechanism operatively coupled to a reservoir containing a fluid to infuse the fluid into the body of the user, a processor operatively coupled to the drive mechanism to control the drive mechanism, a communication receiver operatively coupled to the processor to receive data from the sensor corresponding to the analyte level of the user, and a display screen operatively coupled to the processor to display the data corresponding to the analyte level of the user, wherein the infusion device includes a user-selectable function to disable the infusion device from infusing the fluid into the body of the user while continuing to display the data corresponding to the analyte level of the user on the display screen.
Owner:MEDTRONIC MIMIMED INC

Physiological monitoring device for controlling a medication infusion device

Methods and apparatuses for calculating and transmitting medication dosage or bolus information are provided. A blood glucose meter receives a test strip with a sample of the user's blood and measures the user's blood glucose level with a sensor. The meter then calculates a bolus amount that is transmitted to a medication infusion pump using a radio frequency transmitter or transceiver. The infusion pump receives the bolus amount data and then delivers a bolus of medication to the user based on the calculated bolus estimate. The meter may also transmit commands to, and be used to remotely control, the infusion pump.
Owner:MEDTRONIC MIMIMED INC

System and method for intraparenchymal drug infusion

A system for performing an intraparenchymal drug infusion including a pump device, a delivery tube, a sensor, and a processor. The tube is fluidly coupled to the pump device, establishing an infusate pathway from the pump to an infusate exit port of the delivery tube. The sensor is positioned to sense a parameter indicative of pressure in the infusate pathway. Finally, the processor is programmed to generate information indicative of infusate delivery effectiveness of a drug infusion procedure based upon information from the sensor. In some embodiments, the processor generates a net infusion pressure profile, such as a pressure-time curve, and prompts display of the pressure profile to a neurosurgeon for subsequent evaluation of infusate delivery effectiveness.
Owner:MEDTRONIC INC

Control of a drug infusion device

A drug infusion device determines whether an infusion program is stored within a memory. If so, a user is prompted to confirm usage of the program and a drug identifier, and to review the configuration of the device. If the program is not in the memory, the drug infusion device is enabled to receive an auto program with which it can configure itself. When auto program receipt is enabled, the drug infusion device waits for the auto program or for a selection for manual entry of the infusion program. A menu screen is displayed to indicate that the drug infusion device is waiting for the auto program, but the menu screen is not displayed if the auto program is already received. Therefore, a waiting for auto program menu screen may be avoided in many cases, reducing device setup time. In some embodiments, removal of a drug vial resets the device to a point after a power-on self-test and thus provides an easy method for resetting the device to a point that avoids unnecessary steps and expands a window of opportunity for receiving an auto program compared to prior work flows.
Owner:ICU MEDICAL INC

Loading mechanism for infusion pump

A loading mechanism for a medication infusion pump. The mechanism includes a medication reservoir, a plunger, a threaded plunger rod offset from the axis of the reservoir and an infusion pump with a drive screw that is offset from the axis of a pump barrel. The pump barrel receives the assembly comprising the reservoir, plunger and plunger rod.
Owner:EUGLY DIABETES CARE LLC

Electroactive polymer actuated medication infusion pumps

The present invention is directed to a drug delivery pump apparatus, which comprises: (a) an expandable and contractible enclosure having an interior volume that defines a medication reservoir; (b) one or more electroactive polymer actuators; (c) a medication outlet port providing fluid communication between the interior volume of the contractible and expandable enclosure and an exterior of the delivery pump apparatus; and (d) a control unit electrically coupled to the one or more actuators and sending control signals to the same. The one or more electroactive polymer actuators act to reduce the interior volume of the contractible and expandable enclosure based upon the received control signals. The present invention is also directed to a method of delivering a liquid therapeutic agent to a patient. The method comprises: (a) providing the above infusion pump apparatus; (b) placing the outlet port of the infusion pump apparatus in fluid communication with a patient; and (c) sending the control signals to the one or more actuators to reduce the internal volume of the contractible and expandable enclosure, thereby forcing a portion of the liquid therapeutic agent within the medication reservoir through the outlet port and into the patient.
Owner:COUVILLON LUCIEN ALFRED JR +2

System and Methods for Medicament Infusion

System for trans-dermal delivery of doses of a medicament, comprising a delivery device to be placed in dermal contact with a patient, the delivery device comprising a reservoir for holding a medicament to be delivered, a trans-dermal injection element for delivering doses of the medicament to the patient, a control unit for controlling the delivery of the medicament when activated, the system further comprising a separate hand-held drive device to be temporarily placed in proximity of the delivery device when a dose of medicament is required, the drive device comprising an activation unit for activating the control unit of the delivery device.
Owner:MEDIRIO
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