Sony Corporation

Sony Group Corporation

Yoshihito Hayashi

Marcaurele Brun

Yoichi Katsumoto

Shinji Omori

Kenzo Machida

Seungmin Lee

Kazumasa Sato

Ludovic Keiser

Aya Murata

Ikuya Oshige

Yudai Yamamoto

Tomoyuki Umetsu

Kaori Kawaguchi

Marc-Aurele Brun

Aya Fuchigami

Isao Uchimura

Tokujiro Uchida

Provided is a platelet aggregation capacity analyzer including a blood coagulation system-analyzing unit that analyzes a platelet aggregation capacity based on measurement data during a coagulation process of a platelet-containing sample, and an output control unit that controls an output of results analyzed by the blood coagulation system-analyzing unit, in which the blood coagulation system-analyzing unit analyzes the platelet aggregation capacity of the platelet-containing sample based on the barb of measurement data during the coagulation process with a platelet aggregation inhibitor added to the platelet-containing sample and measurement data during the coagulation process without a platelet agonist or the platelet aggregation inhibitor added to the platelet-containing sample.

Platelet aggregation capacity analyzer, analysis method, and analysis system using complex dielectric permittivity

A blood state analysis apparatus including at least an analysis unit that uses data related to the temporal change in electrical characteristics to analyze information related to fibrinogen in a blood sample, in which the analysis unit uses at least two predetermined time points derived from the data related to the temporal change on a basis of a predetermined mathematical definition to calculate a parameter R, and acquires at least two pieces of information related to the fibrinogen in the blood sample.

Blood state analysis apparatus, blood state analysis system, blood state analysis method, and program

A measurement method of simply and quickly measuring platelet aggregation, is provided. The measurement method is a platelet aggregation analysis method, including:

Platelet aggregation analysis method, platelet aggregation analysis device, program for analyzing platelet aggregation, and platelet aggregation analysis system

A blood coagulation system analysis apparatus includes: an estimating unit that estimates a characteristic regarding an inhibitor of a blood coagulation factor on a basis of a comparison result between a first result regarding a blood coagulation inhibition ability of the inhibitor of the blood coagulation factor and a second result regarding the blood coagulation inhibition ability, the first result being obtained on a basis of at least one electrical characteristic of a first blood sample to which the blood coagulation factor is added, and the second result being obtained on a basis of at least one electrical characteristic of a second blood sample, wherein the second blood sample contains either a concentration of the blood coagulation factor which is different from the concentration of the blood coagulation factor in the first blood sample or does not contain any blood coagulation factor.

Blood coagulation system analysis apparatus, blood coagulation system analysis system, blood coagulation system analysis method, blood coagulation system analysis program, blood loss prediction apparatus, blood loss prediction system, blood loss prediction method, and blood loss prediction program

There is provided a blood condition analyzing device including: an extraction unit configured to use temporal change data of an electrical characteristic of blood at an arbitrary frequency to extract a feature of the data; and a blood condition evaluation unit configured to evaluate a condition change of blood from a feature extracted in the extraction unit.

Blood condition analyzing device, blood condition analyzing system, and blood condition analyzing program

A blood coagulation system analysis device capable of analyzing a blood coagulation system with high accuracy, and a method and a program for analysis of a blood coagulation system are proposed. The blood coagulation system is observed as a temporal change in permittivity before the viscoelasticity manifestation timing (timing at which blood starts to clot from the viewpoint of viscoelasticity (in greater detail, timing at which active polymerization of fibrin monomers starts)). A permittivity of blood which is positioned between a pair of electrodes is measured at predetermined time intervals after the anticoagulant effect acting on the blood is ended, and from the measurement result, a degree of the action of the blood coagulation system is analyzed.

Blood coagulation system analysis device, and method and program for analysis of blood coagulation system

There is provided an electrical measuring container of a biological sample in a liquid phase, including at least a biological sample holding section that accommodates a biological sample in a liquid phase and made of a resin, and an electrical conductive section fixed to the biological sample holding section. In a state in which a portion of the electrical conductive section is buried in the biological sample holding section, the biological sample holding section and the electrical conductive section are integrally formed with each other.

Electrical measuring container, electrical measuring apparatus and electrical measuring method

To provide a system capable of evaluating a deficiency and/or a lowered function of extrinsic coagulation factors or intrinsic coagulation factors with high sensitivity by adding new procedures and apparatuses to a blood coagulation system analysis procedure, an apparatus, or the like. A blood coagulation system analysis system includes a blood coagulation system measurement apparatus that performs blood coagulation system measurement of a blood sample; and a blood coagulation system analysis apparatus including a coagulation parameter extraction unit that extracts a coagulation parameter from a measurement result by the blood coagulation system measurement apparatus, and a blood coagulation evaluation unit that evaluates a level of blood coagulation of the blood sample on the basis of the coagulation parameter, the measurement by the blood coagulation system measurement apparatus being performed under an extrinsic system acceleration condition and an intrinsic system acceleration condition.

Blood coagulation system analysis system, blood coagulation system analysis method, and blood coagulation system analysis program

A blood state analysis device, blood state analysis system, blood state analysis method, and program that enable analysis of the state of blood easily and precisely is provided. The blood state analysis device includes: an extraction unit configured to extract at least one feature from chronological change data of an electrical characteristic of blood in two or more frequency bands; an evaluation unit configured to evaluate a state of the blood on the basis of the at least one feature extracted by the extraction unit; and a classification unit configured to classify the blood on the basis of a result of evaluation conducted by the evaluation unit.

Blood state analysis device, blood state analysis system, blood state analysis method, and program

Disclosed are a blood coagulation system examination module, a blood coagulation system examination system, and a blood coagulation system examination method, all of which enable to simply and easily measure thrombin potential with a whole blood sample. The blood coagulation system examination module includes a thrombin potential examination unit configured to examine thrombin potential on the basis of an electrical property of blood as measured at a specific frequency and predetermined time intervals in a predetermined period after reversal of an anticoagulation action working on the blood.

Blood coagulation system examination module, blood coagulation system examination system, blood coagulation system examination method, and determination method of parameter for blood coagulation system examination module

To provide a technology that allows for simple and highly accurate evaluation of the condition of blood. Provided is a blood condition analysis device, for analyzing the condition of a blood sample having added thereto at least one kind of drug selected from the group consisting of anticoagulation treatment cancelling agents, coagulation activators, anticoagulants, platelet activators, and antiplatelet agents, the device including a drug dosage control unit for controlling the dosage of the drug to be added to the blood sample on the basis of the hematocrit and/or hemoglobin content of the blood sample.

Blood condition analysis device, blood condition analysis system, blood condition analysis method, and blood condition analysis program for causing computer to implement the method

There is provided a blood condition analyzing device including an erythrocyte quantitative evaluation unit configured to evaluate a hematocrit value and/or a hemoglobin amount on the basis of an electrical characteristic of a blood sample at a frequency of 2 to 25 MHz.

Blood condition analyzing device, blood condition analyzing system, blood conditon analyzing method, and blood condition analyzing program for causing computer to execute the method

To an electrical characteristic measuring device that further improves the accuracy of measurement of an electrical characteristic of a blood sample. Provided is an electrical characteristic measuring device including: a measuring unit configured to measure an electrical characteristic of a blood sample; and an alert generation unit configured to issue an alert signal when an erythrocyte sedimentation rate in the blood sample exceeds a prescribed standard during measurement of the blood sample.

Electrical characteristic measuring device

Provided is an electrical measuring cartridge including at least: a biological sample holding section that accommodates a liquid biological sample containing a sedimenting component; a measuring electrode unit that is fixed to the biological sample holding section and composed of a pair of electrodes for electrically measuring a state of the biological sample; and a sedimentation measuring electrode unit that is fixed to a position at a different height from the measuring electrode unit of the biological sample holding section and composed of a pair of electrodes for electrically measuring a degree of sedimentation of the sedimenting component.

Electrical measuring cartridge, electrical measuring apparatus for biological sample, electrical measuring system for biological sample, and electrical measuring method for biological sample

Growing community of inventors

Chiba, Japan

Yoshihito Hayashi