Patent application number | Description | Published |
20130205875 | ULTRASONIC HORN ACTUATED MICROPROBES BASED SELF-CALIBRATING VISCOSITY SENSOR - An ultrasonic or acoustic viscosity sensor or viscometer is provided that can be used to accurately measure viscosity for fluid samples of less than 1 μl in volume. Methods for measuring viscosity for fluid samples of less than 1 μl in volume are also provided. The viscosity sensor and methods based thereon enable simultaneous measurement of bulk and dynamic (shear-rate dependent) viscosity of a non-Newtonian fluid. Bulk and dynamic viscosity of the non-Newtonian fluid can be measured simultaneously without separating constituents of the fluid, and thus distinguishing the effect of constituents on the viscosity. Dynamic viscosity of the non-Newtonian fluid can be estimated at varying shear rates, to study the deformability of the constituents of the fluid as a function of shear rate. | 08-15-2013 |
20140088345 | SINGLE CHANNEL, MULTIPLE DRUG DELIVERY DEVICE AND METHODS - Devices and methods are provided for drug delivery. The device may include a housing configured for intralumenal deployment into a human or animal subject and a reservoir contained within the housing and having an actuation end and a release end. The release end may include at least one outlet. A first drug formulation and a second drug formulation may be disposed within the reservoir and adjacent to each other and immiscible, or separated from each other by a first barrier. The device may also include a plug within the reservoir at the actuation end, the plug being movable toward the release end to drive the first and second drug formulations out of the reservoir. The device may also include an actuation system operably connected to the actuation end of the reservoir and configured to drive the plug toward the release end and release the drug formulations from the reservoir. | 03-27-2014 |
20140088346 | MULTIPLE RESERVOIR DRUG DELIVERY DEVICE AND METHODS - Devices and methods are provided for drug delivery. The device may include a housing configured for intralumenal deployment into a human or animal subject and first and second reservoirs within the housing, each reservoir having an actuation end, an opposed release end, and a plug moveable from the actuation end toward the release end. First and second drug formulations may be contained in the first and second reservoirs, respectively. The device may also include one or more actuation systems configured to drive the first and second plugs so as to drive the first and second drug formulations from the first and second reservoirs. The housing may include a porous membrane sidewall in fluid communication with the release ends of the first and second reservoirs, the porous membrane sidewall being configured to distribute the first and second drug formulations driven from the first and second reservoirs. | 03-27-2014 |
20140126213 | LED BULB WITH INTEGRATED THERMAL AND OPTICAL DIFFUSER - A light emitting diode (LED) light bulb includes a thermally conductive base and at least one LED assembly disposed on and thermally coupled to a surface of the base. The LED assembly includes at least one LED configured to generate light. A thermal optical diffuser defines an interior volume and the LED is arranged to emit light into the interior volume and through the thermal optical diffuser. The thermal optical diffuser is disposed on the surface of the base and extends from the base to a terminus on the light emitting side. The thermal optical diffuser is configured to include one or more openings that allow convective air flow between the interior volume of the thermal optical diffuser and ambient environment. | 05-08-2014 |
20140200553 | DEVICES AND METHODS FOR INTRALUMINAL RETENTION AND DRUG DELIVERY - Retention devices and methods are provided for drug delivery. The device may include a housing configured for intraluminal deployment into a human or animal subject and at least one reservoir contained within the housing. The at least one reservoir may have an actuation end and a release end and contain at least one drug formulation. A plug may be contained within the at least one reservoir and be moveable from the actuation end toward the release end. The device may also include an actuation system operably connected to the actuation end of the at least one reservoir and configured to drive the at least one drug formulation from the reservoir. The device may also include at least one retention member affixed to the housing and movable between a non-stressed position, a deployment position, and a retention position for retaining the device in an intraluminal location in the subject. | 07-17-2014 |
20150105610 | MULTIPLE RESERVOIR DRUG DELIVERY DEVICE AND METHODS - Devices and methods are provided for drug delivery. The device may include a housing configured for intraluminal deployment into a human or animal subject and first and second reservoirs within the housing, each reservoir having an actuation end, an opposed release end, and a plug moveable from the actuation end toward the release end. First and second drug formulations may be contained in the first and second reservoirs, respectively. The device may also include one or more actuation systems configured to drive the first and second plugs so as to drive the first and second drug formulations from the first and second reservoirs. The housing may include a porous membrane sidewall in fluid communication with the release ends of the first and second reservoirs, the porous membrane sidewall being configured to distribute the first and second drug formulations driven from the first and second reservoirs. | 04-16-2015 |
20150105751 | MULTIPLE RESERVOIR DRUG DELIVERY DEVICE AND METHODS - Devices and methods are provided for drug delivery. The device may include a housing configured for intraluminal deployment into a human or animal subject and first and second reservoirs within the housing, each reservoir having an actuation end, an opposed release end, and a plug moveable from the actuation end toward the release end. First and second drug formulations may be contained in the first and second reservoirs, respectively. The device may also include one or more actuation systems configured to drive the first and second plugs so as to drive the first and second drug formulations from the first and second reservoirs. The housing may include a porous membrane sidewall in fluid communication with the release ends of the first and second reservoirs, the porous membrane sidewall being configured to distribute the first and second drug formulations driven from the first and second reservoirs. | 04-16-2015 |
20150126968 | FLUID DELIVERY DEVICES AND METHODS - Devices and methods are provided for fluid delivery. The device may include a housing having an outer surface which includes a porous membrane, a fluid reservoir disposed in the interior region of the main housing and formed at least in part by a wall structure, a puncture mechanism operable to puncture the wall structure and form a fluidic path between the fluid reservoir and one or more channels in fluid communication with the porous membrane, and a positive displacement mechanism operable, following puncture of the wall structure, to drive a fluid out of the fluid reservoir, through the one or more channels, and into the porous membrane. | 05-07-2015 |