Abstract:
The present invention discloses a plasma extraction device for generating fixed, predetermined quantity of plasma and for dry-transport of obtained plasma for automated assay. Plasma extraction device includes a plasma extractor assembly comprising an absorbent probe that wicks a predetermined volume of a liquid sample from a liquid source, a separator that generates plasma from the wicked liquid sample, and an absorbent reservoir that stores fixed, predetermined quantity of the generated plasma for dry-transport and automated assay thereof.
Abstract:
A body fluid sensing device with a body fluid capture structure and a body fluid measurement sensor positioned in the body fluid capture structure. A capacitance sensor is coupled to the body fluid measurement sensor. The capacitance sensor is used to assist in the positioning of a body part relative to the body fluid capture structure.
Abstract:
A cartridge (106) comprises plural blood testing discs (650), each blood testing disc including a lancet (309) and a blood collection and testing part (315). Each of the discs has a generally circular shape with a cutout (643) at one side thereof. The lancet of each disc is supported at the periphery of the disc at a location that does not coincide with the cutout. The cartridge includes a side face (642) having an aperture (640) formed therein. The discs are supported in a rotatable manner on a common longitudinal axis. In a non-operational condition, the cutouts of the discs are located in a close proximity to and facing the side face of the cartridge and in an operational condition a disc that is coincident with the aperture is permitted to rotate on the longitudinal axis such that the part of the disc on which the lancet is supported passes through the aperture to allow lancing.
Abstract:
A tissue penetration device that may include a lancet module or sampling module. The sampling module may include a slidably disposed lancet, a sterility barrier that is pierceable by the lancet, and a sample chamber in fluid communication with a sample input port. The sampling module may optionally be in a cartridge configuration and include sampling and analyzing functions, which may be integrated.
Abstract:
A lancet and method for using a lancet to maintain the patency of the wound tract once the lancet has cut into the skin. Blood is allowed to flow up through the wound tract and onto the surface of the skin in some embodiments because the lancet, a helix, or an elastomer coats or braces the wound tract, keeping it open and patent.
Abstract:
A device for collecting a liquid sample by capillary action, comprising a first element (A), comprising a male portion (9), the male portion comprising at least one channel (5) having an open cross-section, extending longitudinally between a first inlet end and a second end, the channel being formed by a longitudinal wall (10) bordered by two side walls (11a, 11b) forming the walls of the channel; a second element (B), separate from the first element, comprising a female portion (12), the female portion comprising a peripheral wall (13) that transversely defines a cavity intended to accommodate the male portion; a portion of the peripheral wall being intended, when the female portion accommodates the male portion, to form a cover closing the cross-section of the channel.
Abstract:
The various embodiments described herein relate to fabricating and using open microfluidic networks according to methods, systems, and devices that can be used in applications ranging from home-testing, diagnosis, and research laboratories. Open microfluidic networks allow the input, handling, and extraction of fluids or components of the fluid into or out of the open microfluidic network. Fluids can be inserted into an open microfluidic channel by using open sections of the open microfluidic network. Passive valves can be created in the microfluidic network, allowing the creation of logic circuits and conditional flow and volume valves. The fluid can be presented via the microfluidic network to diagnostic and analysis components. Fluids and components of the fluid can be extracted from the open microfluidic network via functional open sections that are easily interfaced with other microfluidic networks or common laboratory tools.