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1064 results about "Flow diverter" patented technology

A flow diverter is an endovascular prosthesis used to treat intracranial aneurysms. It is placed in the aneurysm's parent artery, covering the neck, in order to divert blood flow and determine a progressive thrombosis of the sac. Flow diverting stents consist of structural Cobalt-chrome or Nitinol alloy wires and often a set of radiopaque wires woven together in a flexible braid.

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

Cerebral spinal fluid flow sensing device

InactiveUS20060020239A1Evaluate performance of ventricular shuntEnsure correct executionWound drainsEndoradiosondesFlow transducerCsf shunt
The disclosure is directed to an implantable device for sensing CSF flow through an implantable ventricular shunt. The sensing device is implanted with the CSF shunt, and includes a flow sensor to sense flow rate or shunt blockage. The sensing device is either placed within or adjacent to the fluid path through the shunt. The sensing device transmits the sensed flow rate to an external monitoring device by wireless telemetry. The sensing device may be integrally formed as part of the shunt, or clamped onto a portion of the shunt, in which case the sensing device may be resusable. An external monitor receives the transmitted flow signal and presents information based on the flow signal. The sensing device may be inductively powered or include its own power supply.
Owner:MEDTRONIC INC

Intraocular shunt device and method

A shunt having a conduit sized to fit within Schlemm's canal, the conduit having an inlet intermediate a proximal end and a distal end and a Venturi feature arranged within the conduit so as to control flow from the inlet into the conduit. The shunt may include a pressure sensor capable of measuring pressure within an eye, coupled to the Venturi feature, the Venturi feature being configured to control flow from the inlet into the conduit in response to a pressure measurement from the sensor. Also, the pressure sensor may be coupled to a pump that is adapted to control flow from the inlet into the conduit in response to a pressure measurement from the sensor.
Owner:BAUSCH & LOMB INC

Fluidic Test Cassette

InactiveUS20160310948A1Facilitate resuspensionImproved mixing and dispersionHeating or cooling apparatusMicrobiological testing/measurementPath lengthFlexible circuits
A disposable cassette for detecting nucleic acids or performing other assays. The cassette can be inserted into a base station during use. The cassette has numerous features to ensure correct operation of the device under gravity, such as vent pockets for enabling the flow of sample fluid from one chamber to the next when the vent pocket is unsealed. The vent pockets have protrusions to help prevent accidental resealing. The cassette also can have a gasket to ensure free air movement between open vent pockets. A flexible circuit with patterned metallic electrical components disposed on a heat stable material can be in direct contact with fluid in the chambers and has resistive heating elements aligned with the vent pockets and the chambers. The detection chamber, which houses a lateral flow detection strip can have a space below the strip that has sufficient capacity to accommodate an entire volume of the sample fluid entering the detection chamber at a height that enables the fluid to flow up the detection strip by capillary action without flooding or otherwise bypassing regions of the detection strip. The space can also contain detection particles. Recesses in in the cassette channels or chambers can have structures such as ridges or grooves to direct fluid flow to enhance rehydration of lyophilized reagents disposed in the recess. Flow diverters in the chambers can reduce the flow velocity of the sample fluid and increase the effective fluid flow path length, enabling more accurate control of fluid flow in the cassette.
Owner:MESA BIOTECH
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