Provided is a manual centrifugal device, including a rotating platform disposed with a rotating shaft, and a plurality of blood storage tubes fixed to the rotating platform at a regular intervals, wherein the rotating platform and the plurality of blood storage tubes rotate relative to the plane of placement during centrifugation. Further provided is a method for separating blood. The centrifugal device is driven manually to centrifugally separate blood cells and blood plasma, thereby greatly reducing the medical cost of blood examination and providing a more convenient and simple blood separation method for the low-resource areas.

A compact device compact analytical device to perform main steps of analytical procedures comprises a driving part configured to be attached to a stirrer part or a centrifuge part, wherein the stirrer part is configured to mix at least one sample and the centrifuge part is configured to separate a component. Furthermore, an analyzer part is configured to produce analytical data.

Provided herein are materials and methods relating to cell-free DNA. In particular, the technology relates to methods and materials for the preparation and handling of blood samples for future use in applications involving cell-free DNA.

The purpose of the present invention is to provide a small rotor for a centrifuge, the rotor being configured such that numerous sample containers can be mounted simultaneously and it is easy to take out the sample containers. In an inner peripheral surface 20A of an outer wall part 20, recessed areas 20B locally carved outward are provided in areas between sample container insertion holes 11 that are adjacent to each other in a circumferential direction. In the locations of the recessed areas 20B, the spaces between adjacent sample containers 51 are wider, and the sample containers 51 can easily be taken out.

A fixed angle centrifuge rotor is provided including a rotor body having an upper surface and a plurality of tubular cavities extending from the upper surface to respective bottom walls. A pressure plate is operatively coupled to the bottom walls of the tubular cavities and is configured to transfer torque to the bottom walls. The pressure plate is configured to be directly coupled to a rotor hub and to receive torque directly from the rotor hub.

The present disclosure relates to modified conical centrifuge tubes and related methods.

The invention relates to a rotational unit (10) for a rotor of a dual centrifuge, said rotational unit having a bearing (14) and a rotational head (24) which is connected to the bearing (14), is mounted therein such that it can rotate about an axis of rotation and can be driven relative to the rotor by an additional rotational mechanism of the centrifuge, the rotational head (24) being detachably connected to the receiving unit (40, 80) for conjoint rotation, which receiving unit comprises a sample container receptacle (60, 70, 100, 110) for at least one sample container. The invention is characterized in that the receiving unit (40, 80) and the rotational head (24) are connected by a frictional connection in which some portions of the receiving unit (40, 80) and the rotational head (24) engage in each other in a wedge-like manner, and the frictional connection increases with a movement of the receiving unit (40, 80) along the axis of rotation of the rotational unit (10) in the direction toward the rotational head (24).

The present invention relates to a centrifugation device, a centrifugation method, and a separation container. More particularly, the present invention relates to a centrifugation device for separating substances from a body fluid and tissue using centrifugal force, the centrifugation device including: a separation container configured to receive, centrifuge, and clean a body fluid and tissue therein and rotate around a central rotation axis; a supply part connected to the separation container and configured to supply a cleaning solution to the separation container; a discharge part connected to the separation container and configured to receive substances separated by centrifugation; valves configured to control flows between the supply part, the discharge part, and the separation container; a driving device configured to rotate the separation container, the supply part, and the discharge part around the central rotation axis, the driving device being installed in a direction perpendicular to the separation container, the supply part, and the discharge part; and a controller configured to control an operation of the driving unit, wherein the separation container includes: a piston located outside in a radial direction based on the central rotation axis; and an elastic part placed on an outer side of the piston in the radial direction to push the piston in a direction opposite a centrifugal force direction.

A system for obtaining plasma enriched in platelets is disclosed which is closed to the atmosphere. The system includes: a collection tube containing an anticoagulant portion and a separation gel; a first collection syringe adapted to collect a portion of fluid relatively depleted in platelets from said collection tube after centrifugation; and a second collection syringe adapted to collect plasma enriched in platelets from said collection tube after centrifugation, said second collection syringe further comprising a filter unit adapted to filter cells included in said plasma enriched in platelets.

A method of evaluating a patient's hematocrit includes collecting a sample of blood in a capillary tube, and placing the capillary tube into a centrifuge having a rotor. The centrifuge has base with a center axis and a manual rotation member. The rotor spins in response to the manual rotation member being pulled by an operator, and the rotor is coupled for rotation to the base. The rotor including a plurality of microfluidic channels. The sample of blood is separated with the centrifuge into a red blood cell portion and a plasma portion in the microfluidic channels. A diagnosis image is provided including a base line indicia, a lower normal line indicia, an upper normal line indicia and a 100 % level line indicia. The capillary tube is placed against the diagnosis image with the bottom end placed adjacent the base line indicia.