144 patents
Page 2 of 8
Utility
Patient Monitor and Physiological Information Display Method
18 May 23
Provided is a patient monitor and an ultrasonic wave information display method that provide a screen by which a relationship between a depth and a motion in a body of a subject can be easily grasped.
Mitsuhiro OURA, Naoki KOBAYASHI
Filed: 12 Mar 21
Utility
Power Supply Device and Vital Sensor
11 May 23
A power supply device includes: a power supply circuit configured to supply power to a vital sensor; a capacitor electrically connected to the power supply circuit; a connector configured to supply power for charging the capacitor; and a shield case covering at least the power supply circuit and the capacitor to shield an electromagnetic wave.
Satoru TOGO, Shinya OKUNO, Toshiki AOKI
Filed: 12 Mar 21
Utility
Fluid Balance Management System, Prediction Device, Learned Model Generation Device, and Learned Model Generation Method
30 Mar 23
A fluid balance management system includes: a detection device configured to output a detection signal corresponding to a load applied to a bed in which a subject is present; a prediction device configured to acquire load variation information indicating a variation over time of the load based on the detection signal, and predict an event that causes variation in fluid balance of the subject from the load variation information; and an output device configured to output prediction information corresponding to a prediction result of the event.
Takuya KAWASHIMA, Wataru MATSUZAWA, Hiroto SANO, Katsuyoshi SUZUKI, Yoshihiro TAKAYANAGI
Filed: 19 Sep 22
Utility
Electroencephalogram Signal Processing Apparatus and Electroencephalogram Signal Processing System
30 Mar 23
An electroencephalogram signal processing apparatus includes an interface and one or more processors.
Kazumi SUEMATSU, Yusuke KAMIKURA, Mari YAMADA, Ryota MASUDA
Filed: 16 Sep 22
Utility
Physiological Information Processing Apparatus and Physiological Information Processing Method
23 Mar 23
The physiological information processing apparatus: acquires electrocardiogram data of a subject; detects a QRS complex from the electrocardiogram data; acquires pulse wave data of the subject; detects a pacing pulse output from an apparatus worn by the subject; determines whether the pacing pulse is detected in a time period in which the QRS complex is not detected when the time period is equal to or longer than a predetermined time width; determines, based on the pulse wave data, whether a pulse wave is present within predetermined time from a detection time point at which die pacing pulse is detected; and determines, according to a determination that the pulse wave is present within the predetermined time, that the QRS complex is actually present in the time period.
Kei KIMURA
Filed: 12 Sep 22
Utility
Physiological Information Acquisition Apparatus, Processing Device, and Non-transitory Computer Readable Storage Medium
16 Mar 23
A physiological information acquisition apparatus that acquires physiological information of a subject includes a reception device configured to receive waveform data corresponding to a measurement waveform of the physiological information from a sensor, and to acquire values of a plurality of characteristic parameters associated with the measurement waveform based on the waveform data, a processing device configured to input the values of the plurality of characteristic parameters to a machine-learned model to acquire a prediction result for at least one of a plurality of classes into which the waveform data is classified, and to specify a level of importance of each of the plurality of characteristic parameters for the prediction result, and an output device configured to output an index indicating a name of at least one of the plurality of characteristic parameters and the level of importance specified for the at least one characteristic parameter.
Takuya UMEMOTO, Jun Motogi, Keiichi Sato, Wataru Matsuzawa
Filed: 1 Sep 22
Utility
Device for Classifying Condition of Subject and Non-transitory Computer-readable Medium Having Recorded Computer Program for the Device
2 Mar 23
A condition classifying device includes: an input interface configured to receive first data corresponding to a blood refilling state after ischemia of a subject, and second data corresponding to a physiological parameter that exhibits changes caused by vasodilation of the subject; a processor configured to perform a classification of a condition of the subject related to sepsis based on the first data and the second data; and an output interface configured to output a result of the classification.
Hideaki HIRABARA
Filed: 2 Dec 20
Utility
Learned Model Generation Method, Training Data Generation Device, Learned Model Generation Device, and Disease Development Risk Prediction Device
16 Feb 23
A method includes: receiving first data including physiological information obtained from a subject and a first result that a disease is developing; specifying a first time point at which the physiological information included in the first data is obtained; receiving second data including the physiological information obtained from the subject and a second result that the disease is not developing; specifying a second time point at which the physiological information included in the second data is obtained; upon determining that a time interval between the first time point and the second time point is smaller than a first predetermined value, assigning, to the second data, a first training label indicating that the disease is developing and a weighting index that is capable of taking a plurality of values according to the time interval; and performing machine learning of a model by using the second data as training data.
Takuya UMEMOTO, Jun Motogi, Keiichi Sato, Wataru Matsuzawa
Filed: 28 Jul 22
Utility
Pulse Oximeter, Pulse Oximetry System, Processing Device, and Pulse Oximetry Method
16 Feb 23
A pulse oximeter includes a light emitting device that emits a first light and a second light, a light detecting device that outputs a first signal and a second signal respectively corresponding to an intensity of the first light and an intensity of the second light after interacting with a tissue of a subject, a processing device that calculates a pulsation rate of at least one of the first signal and the second signal, calculates a percutaneous arterial oxygen saturation of the subject, and estimates a capillary refill time of the tissue based on a time taken for at least one of the pulsation rate and the percutaneous arterial oxygen saturation, which change along with compression on the tissue, to return to a predetermined threshold range with respect to each value before the compression, and an output device that outputs information indicating the capillary refill time.
Hideaki Hirabara, Yoshiharu Harada
Filed: 2 Aug 22
Utility
Cell Culture Evaluation System
2 Feb 23
The presently disclosed subject matter provides a cell culture evaluation system including a measurement unit, a first storage unit, a second storage unit, an evaluation unit and an output unit, wherein: the measurement unit includes a sensor that acquires evaluation target data about motion or a state of a culture tool; the first storage unit stores the evaluation target data; the second storage unit stores reference data; the evaluation unit compares the evaluation target data with the reference data so as to evaluate an execution state of a cell culture process; and the output unit outputs an evaluation result created by the evaluation unit.
Hodaka Makino, Hirotsugu Kubo, Masahiro Kinooka
Filed: 21 Dec 20
Utility
Probe Apparatus and Manufacturing Method for Probe Apparatus
5 Jan 23
A probe apparatus includes a sensor including at least one element, a plurality of electrically conductive wires each of which has a connection portion at which electrical connection is made between the electrically conductive wire and the sensor so that a signal used in the sensor can flow through the electrically conductive wire, and an insulative member configured to cover at least one of the electrically conductive wires at a place nearer to a tip than the connection portion in the at least one electrically conductive wire.
Shohei NISHINA, Mitsuo OSHIMA
Filed: 22 Jun 22
Utility
Physiological Information Processing Method, Physiological Information Processing Device, and Physiological Information Processing System
29 Dec 22
A physiological information processing method executed by a computer includes: obtaining a stress index parameter indicating a stress index of a subject based on physiological information data of the subject; comparing the stress index parameter with a predetermined threshold value; determining that the subject is stressed in accordance with the comparison between the stress index parameter and the predetermined threshold value; and outputting stress information indicating that the subject is stressed.
Tetsuri ARIYAMA, Kenji OHARA, Minoru MATSUSHIMA, Hideki OCHIAI
Filed: 14 Jun 22
Utility
Venous Pressure Measurement Device and Venous Pressure Measurement Method
29 Dec 22
A venous pressure measurement device includes: an obtaining unit configured to obtain pulse wave information on a pulse wave of a subject measured by a sensor; and a processing unit configured to calculate a value range of venous pressure of the subject based on the pulse wave information obtained by the obtaining unit when the venous pressure of the subject is not estimatable from the pulse wave information obtained by the obtaining unit.
Haruka Morimoto, Naoki Kobayashi, Jun Motogi
Filed: 13 Jun 22
Utility
Muscle Relaxation Monitoring Apparatus and Calibration Processing Method
22 Dec 22
A muscle relaxation monitoring apparatus includes a calibration processing section.
Hiroshi YOSHIHARA, Shigeyoshi KITAMURA, Kazuya NAGASE, Shunji IWATA, Shunichi TAKAGI
Filed: 23 Oct 20
Utility
Muscle Relaxation Monitoring Apparatus and Calibration Processing Method
22 Dec 22
A stimulation current value that causes the supramaximal stimulation according to a subject in the muscle relaxation state is detected.
Hiroshi YOSHIHARA, Shigeyoshi KITAMURA, Kazuya NAGASE, Shunji IWATA, Shunichi TAKAGI
Filed: 23 Oct 20
Utility
Sensor and Vital Sign Information Processing System
1 Dec 22
A vital sign information processing system includes a sensor configured to be attached to a living body, and an information acquisition apparatus configured to acquire vital sign information of the living body through the sensor.
Hideki FUJISAKI, Kazumasa ITO, Naoki KOBAYASHI, Kumi SUGIYAMA, Tetsuo SUZUKI, Masahiro TAKEUCHI, Jiongxun CHEN
Filed: 11 Aug 22
Utility
Thermosensitive Probe
1 Dec 22
A thermosensitive probe includes: a non-metallic thermoconductive member defining a housing space; a thermosensitive element disposed in the housing space; and a coupling member having a portion surrounding the thermosensitive element in the housing space while fixing the thermosensitive element to the thermoconductive member.
Hironori SUGAWARA, Hiroshi KUBO, Kohei OTAKA, Takuma SANO
Filed: 27 Nov 20
Utility
Pulse Wave Analysis Device and Pulse Wave Analysis Method
10 Nov 22
A pulse wave analysis device includes a pulse wave acquisition unit, a venous pressure calculation unit, a parameter calculation unit, and an output.
Haruka MORIMOTO, Naoki KOBAYASHI, Jun MOTOGI
Filed: 7 Apr 22
Utility
Medical Photometer
27 Oct 22
An input interface is configured to receive a signal corresponding to a quantity of light that has passed through a living tissue of a subject.
Kota SAEKI, Naoki KOBAYASHI
Filed: 24 Jun 20
Utility
Physiological Information Acquisition Device, Processing Device, and Recording Medium
20 Oct 22
A physiological information acquisition device configured to acquire physiological information of a subject includes: an input interface configured to receive waveform data corresponding to a measurement waveform of the physiological information from a sensor; a prediction unit configured to extract a feature from the waveform data using a convolutional neural network and predict a probability of the waveform data being classified into each of a plurality of classes; an importance specification unit configured to specify an importance of the feature with respect to a prediction result of the probability for at least one of the plurality of classes; and an output unit configured to output an indicator indicating the importance together with the measurement waveform.
Takuya KAWASHIMA, Wataru MATSUZAWA
Filed: 4 Apr 22