Medical data processing device, medical data processing method, and non-transitory computer-readable recording medium

Patent metadata

Field	Value
Publication number	US-2022139564-A1
Application number	US-202117514360-A
Country	US
Kind code	A1
Filing date	Oct 29, 2021
Priority date	Oct 30, 2020
Publication date	May 5, 2022
Grant date	—

Abstract

A medical data processing device according to an embodiment includes processing circuitry. The processing circuitry acquires estimated data related to a state of a biological organ at a first timing, and actually measured data indicating the state of the biological organ at the first timing. The processing circuitry calculates a parameter based on the estimated data and the actually measured data. The processing circuitry estimates a state of the biological organ in a predetermined time phase at a second timing different from the first timing based on the parameter and the estimated data in the predetermined time phase.

First claim

What is claimed is:

1 . A medical data processing device comprising:
processing circuitry configured to
acquire estimated data related to a state of a biological organ at a first timing, and actually measured data indicating the state of the biological organ at the first timing,
calculate a parameter based on the estimated data and the actually measured data, and
estimate a state of the biological organ in a predetermined time phase at a second timing different from the first timing based on the parameter and the estimated data in the predetermined time phase.

2 . The medical data processing device according to claim 1 , wherein
the processing circuitry
calculates, as the parameter, a parameter related to a shape of a first biological organ based on the estimated data and the actually measured data, and
estimates the state of the biological organ in the predetermined time phase at the second timing based on the parameter related to the shape of the first biological organ and the estimated data in the predetermined time phase.

3 . The medical data processing device according to claim 2 , wherein
the processing circuitry
calculates, as the parameter related to the shape, a parameter indicating at least one of hardness, a thickness, a fiber direction, a length, a width, a connecting position, and number of the first biological organ based on the estimated data and the actually measured data, and
estimates the state of the biological organ in the predetermined time phase at the second timing based on the parameter indicating at least one of the above items and the estimated data in the predetermined time phase.

4 . A medical data processing device comprising:
processing circuitry configured to
acquire estimated data related to a state of a biological organ at a first timing, and actually measured data indicating the state of the biological organ at the first timing,
calculate a parameter based on the estimated data and the actually measured data,
acquire state data related to a state of the biological organ in a predetermined time phase at a second timing different from the first timing, and
estimate a state of the biological organ at the second timing over a plurality of time phases based on the state data and the parameter.

5 . The medical data processing device according to claim 4 , wherein
the processing circuitry
calculates, as the parameter, a parameter related to movement of a second biological organ based on the estimated data and the actually measured data, and
estimates the state of the biological organ at the second timing over a plurality of the time phases based on the state data and the parameter related to movement of the second biological organ.

6 . The medical data processing device according to claim 5 , wherein
the processing circuitry
calculates, as the parameter related to movement, a parameter indicating at least one of hardness, a volume, and a degree of smoothness of a surface of the second biological organ, and viscosity, a flow speed, and a total quantity of a fluid flowing in the second biological organ based on the estimated data and the actually measured data, and
estimates the state of the biological organ at the second timing over the time phases based on the state data and the parameter indicating at least one of the above items.

7 . The medical data processing device according to claim 1 , wherein the processing circuitry calculates the parameter used for estimating the estimated data in a case in which an evaluation value calculated based on the estimated data and the actually measured data satisfies a standard determined in advance.

8 . The medical data processing device according to claim 7 , wherein the processing circuitry calculates the parameter used for estimating the estimated data in a case in which the estimated data is similar to the actually measured data.

9 . The medical data processing device according to claim 7 , wherein the processing circuitry calculates the parameter used for estimating the estimated data in a case in which a difference between the estimated data and the actually measured data is equal to or smaller than a threshold.

10 . The medical data processing device according to claim 7 , wherein the processing circuitry calculates the evaluation value based on a point and a plane constituting the estimated data, and a point and a plane constituting the actually measured data.

11 . The medical data processing device according to claim 7 , wherein the processing circuitry repeatedly changes the parameter used for estimating the estimated data until the evaluation value satisfies the standard.

12 . The medical data processing device according to claim 8 , wherein the processing circuitry repeatedly changes the parameter used for estimating the estimated data until the estimated data becomes similar to the actually measured data.

13 . The medical data processing device according to claim 9 , wherein the processing circuitry repeatedly changes the parameter used for estimating the estimated data until the difference becomes equal to or smaller than the threshold.

14 . The medical data processing device according to claim 1 , wherein
the processing circuitry
acquires a plurality of pieces of the estimated data by estimating the pieces of estimated data using a plurality of different parameters, and
calculates the parameter used for estimating the state of the biological organ based on the pieces of estimated data and the actually measured data.

15 . The medical data processing device according to claim 11 , wherein
the processing circuitry
preferentially changes a parameter with which the evaluation value comes closer to a reference value as compared with other parameters among a plurality of the parameters used for estimating the estimated data, and
every time the parameter with which the evaluation value comes closer to the reference value as compared with the other parameters is preferentially changed, estimates the estimated data using the changed parameter.

16 . The medical data processing device according to claim 1 , wherein
the processing circuitry
acquires the estimated data at a timing before treatment as the first timing, and the actually measured data at the timing before the treatment, and
estimates the state of the biological organ at a timing after the treatment as the second timing.

17 . The medical data processing device according to claim 1 , wherein
the processing circuitry
acquires the estimated data related to a state of a mitral valve as the biological organ, and the actually measured data indicating the state of the mitral valve, and
estimates the state of the mitral valve at the second timing.

18 . The medical data processing device according to claim 1 , wherein
the processing circuitry
acquires the estimated data related to a state of a form of the biological organ as the state of the biological organ, and the actually measured data indicating the state of the form of the biological organ, and
estimates the state of the form of the biological organ at the second timing.

19 . The medical data processing device according to claim 1 , wherein
the processing circuitry
acquires the estimated data related to a state of a blood flow in the biological organ as the state of the biological organ, and the actually measured data indicating the state of the blood flow in the biological organ, and
estimates the state of the blood flow in the biological organ at the sec

Assignees

• Canon Medical Systems Corp

Inventors

• Ooida Junichi
• Ueyama Kenichi
• Oguchi Yuichiro
• Kiyohara Naoki
• Aoyama Gakuto

Classifications

• G06T2207/10108

  Single photon emission computed tomography [SPECT] · CPC title

• G06T2207/10081

  Computed x-ray tomography [CT] · CPC title

• G06T2207/10116

  X-ray image · CPC title

• G06T2207/10104

  Positron emission tomography [PET] · CPC title

• G06T2207/30048

  Heart; Cardiac · CPC title