Siemens Healthcare Diagnostics Gmbh

Aaron Kauffmann

Chris Thomas Zimmerle

David Ledden

Jon Stradinger

Jeffrey Mayfield

Jennifer Samproni

Jennifer A Samproni

David J Ledden

Julie Chaney

Chris Zimmerle

Disclosed herein are methods for rapid detection of suspension of a blood sample from a subject and methods for improving the processing time of a point of care blood analysis. Specifically, the disclosed methods provide a rapid detection of hemoglobin concentration, more specifically glycated hemoglobin A1c, and determination of sugar concentration in the blood sample from the subject. Further disclosed herein are methods for rapidly diagnosing diabetes in a subject.

Methods of blood sample suspension

Analytical assay reaction cartridges are disclosed that include a reagent tray containing a liquid reagent disposed therein and a flexible cover removably attached thereto. The flexible cover has a portion that extends beyond the reagent tray and that forms a tab portion extends through an opening in a lid member of the cartridge in order to facilitate removal of at least a portion of the cover and release of the liquid reagent. Also disclosed are analytical assay reaction kits that include the cartridges and diagnostic instruments for use with the analytical assay reaction cartridges/kits, as well as methods of making and using the cartridges/kits.

Automatic liquid analytical reagent dispensing apparatus, analytical assay reaction cartridges and kits, and methods of use related thereto

A tangent flow hemolysis blood testing assembly, device and method are described herein. The presently disclosed and claimed inventive concept(s) relate to a device(s), kit(s), and method(s) for injecting a patient's liquid test sample into a reaction vessel. More specifically, the presently disclosed and claimed inventive concept(s) relate to an improved liquid test sample injection device that comprises a plug that forms an airtight seal that facilitates the active injection of a liquid test sample into a reaction vessel, and kits and methods of use related thereto.

Tangent flow hemolysis detection blood testing device

Microfluidic devices, method for making and using same are disclosed. The microfluidic device can be made by applying a reagent in liquid form into a sample treatment site within a substrate base. The substrate base has hydrophilic properties bordering a flow channel, and has an application site, the sample treatment site and an analytical site. The flow channel is sized and configured so as to draw a sample applied into the application site to the analytical site through the sample treatment site by capillary action. The reagent is freeze-dried within the sample treatment site.

HBA1c assay slide and method of making same

Devices and methods for the hook effect detection associated with analytes of interest in the conductance of one or more diagnostic assays, including, without limitation, immunoassays.

Methods for detecting hook effect(s) associated with anaylte(s) of interest during or resulting from the conductance of diagnostic assay(s)

Devices and methods for calculating various coagulation characteristics associated with a patients liquid test sample. The presently disclosed and claimed inventive concept(s) relate to an improved device(s) and method(s) for conducting coagulation assays on a patients liquid test sample, including, without limitation, a patients whole blood sample.

Multi-channel device for calculating coagulation characteristics of a patient's liquid test sample and methods of use related thereto

Analytical assay reaction cartridges, kits containing same, and methods of production and use thereof are disclosed. These cartridges include a magnetic assembly that surrounds at least a portion of a sample read window on the cartridge. The cartridge also includes an analytical reagent positioned therewithin, wherein the analytical reagent comprises magnetic beads coated with at least one anti-red blood cell antibody.

Analytical assay reaction cartridge containing magnetic capture beads and methods of production and use thereof

Devices, kits, and methods related to embodiments of an improved liquid test sample injection device comprising a sample mixture that comprises at least one sample flag compound for detecting the presence or non-presence of a patient's liquid test sample upon being interrogated by a pre-determined wavelength of light.

Microalbumin creatinine assay detection flag and methods of production and use related thereto

A microfluidic device has a first substrate, a resilient diaphragm, an actuator, and a second substrate. The first substrate has an opening extending therethrough. The resilient diaphragm is secured to a second side and surrounds the opening. The actuator is secured to a first side and surrounds the opening. The first substrate, the resilient diaphragm, and the actuator cooperate to form a gas-tight chamber. The second substrate has a channel formed therein having a first end and a second end. The second substrate is secured to the first substrate. A volume of gas disposed in the gas-tight chamber pressurizes the gas-tight chamber and expands the resilient diaphragm such that the resilient diaphragm is disposed in the channel between the first end and the second end. The resilient diaphragm retracts from the channel to open the channel from the first end and the second when the gas-tight chamber is depressurized.

Valve for microfluidic device

Devices, kits, and methods separating and metering a plasma sample from a patient's liquid test sample.

Plasma separation and sample metering device and kits and methods of use related thereto

Devices, kits, and methods are disclosed for use in detecting a concentration of an analyte of interest in a patient's liquid test sample. The devices, kits, and methods employ the use of one or more solid reagent zones that includes at least one analytical reagent for detection of an analyte of interest. The solid reagent zone(s) also includes at least one dye for determining whether results obtained from the diagnostic assay for the at least one analyte of interest are biased or inaccurate due to a loss of volume of a liquid reagent during the dispensing of the liquid reagent.

Dye-based liquid reagent volume indicator for use in analyte detection assays

Reagent cartridge

Devices, kits, and methods for conducting a plurality of diagnostic assays on a patient's single liquid test sample within a single reaction cassette.

Diagnostic assay cartridge for conducting multiple diagnostic assays on a patient's single liquid test sample and methods of use related thereto

Devices, kits, and methods related to embodiments of an improved liquid test sample injection device for use in diagnostic assays.

Liquid test sample injection device and kits and methods of use related thereto

Methods, devices, and kits, related to embodiments for uniformly coating at least one inner surface of a capillary with at least one anticoagulant compound.

Growing community of inventors

Elkhart, IN, United States of America

Aaron Kauffmann