Ultrasonic diagnostic apparatus and ultrasonic diagnosis support apparatus

Patent metadata

Field	Value
Publication number	US-2017252002-A1
Application number	US-201715450859-A
Country	US
Kind code	A1
Filing date	Mar 6, 2017
Priority date	Mar 7, 2016
Publication date	Sep 7, 2017
Grant date	—

Abstract

In one embodiment, an ultrasonic diagnostic apparatus includes an ultrasonic probe; a robot arm configured to support the ultrasonic probe and move the ultrasonic probe along a body surface of an object; memory circuitry configured to store trace instruction information used by the robot arm for moving the ultrasonic probe; and control circuitry configured to drive the robot arm in such a manner that the robot arm moves the ultrasonic probe according to the trace instruction information.

First claim

What is claimed is:

1 . An ultrasonic diagnostic apparatus comprising:
an ultrasonic probe; a robot arm configured to support the ultrasonic probe and move the ultrasonic probe along a body surface of an object; memory circuitry configured to store trace instruction information used by the robot arm for moving the ultrasonic probe; and control circuitry configured to drive the robot arm in such a manner that the robot arm moves the ultrasonic probe according to the trace instruction information.

2 . The ultrasonic diagnostic apparatus according to claim 1 , further comprising processing circuitry configured to
generate reference trace information based on manual movement information acquired through manual movement of the ultrasonic probe supported by the robot arm, the reference trace information being used for generating the trace instruction information, and generate the trace instruction information by correcting the reference trace information.

3 . The ultrasonic diagnostic apparatus according to claim 2 ,
wherein the processing circuitry is configured to generate the reference trace information based on information acquired from a sensor mounted on at least one of the robot arm and the ultrasonic probe.

4 . The ultrasonic diagnostic apparatus according to claim 3 ,
wherein the processing circuitry is configured to generate the reference trace information based on information acquired from at least one of a magnetic sensor provided to the ultrasonic probe, a gyroscope sensor provided to the ultrasonic probe, an infrared sensor provided outside the ultrasonic probe, and an image sensor provided outside the ultrasonic probe, additionally or alternatively to the sensor.

5 . The ultrasonic diagnostic apparatus according to claim 2 ,
wherein each of the trace instruction information and the reference trace information includes probe information at each position on a moving trace of the ultrasonic probe, the probe information including at least one of a position, orientation, moving velocity, and biological contact pressure of the ultrasonic probe at each position on the moving trace; and the processing circuitry is configured to generate the trace instruction information by correcting the probe information included in the reference trace information.

6 . The ultrasonic diagnostic apparatus according to claim 2 ,
wherein the processing circuitry is configured to generate each of the trace instruction information and the reference trace information as information defined by relative positional information of the ultrasonic probe with respect to a reference position on a living body.

7 . The ultrasonic diagnostic apparatus according to claim 2 ,
wherein the processing circuitry is configured to generate the trace instruction information by executing optimization processing in which plural sets of the reference trace information are used.

8 . The ultrasonic diagnostic apparatus according to claim 7 ,
wherein the processing circuitry is configured to generate the trace instruction information as information optimized by using machine learning.

9 . The ultrasonic diagnostic apparatus according to claim 2 ,
wherein the processing circuitry is configured to generate the trace instruction information by correcting the reference trace information based on a physique or an organ position of the object.

10 . The ultrasonic diagnostic apparatus according to claim 2 ,
wherein the processing circuitry is configured to generate the trace instruction information by correcting the reference trace information based on a CT image or an MRI image obtained by imaging the object.

11 . The ultrasonic diagnostic apparatus according to claim 2 ,
wherein the processing circuitry is configured to generate the trace instruction information by correcting the reference trace information based on information on a biological reference position of the object.

12 . The ultrasonic diagnostic apparatus according to claim 1 ,
wherein the control circuitry is configured to drive the robot arm in accordance with a restrictive condition for restricting movement of the robot arm.

13 . The ultrasonic diagnostic apparatus according to claim 12 ,
wherein the restrictive condition includes at least one of a movable range, a moving velocity range, and a biological contact pressure range of the ultrasonic probe supported by the robot arm.

14 . The ultrasonic diagnostic apparatus according to claim 1 ,
wherein the robot arm or the ultrasonic probe is provided with (a) a position sensor, (b) a set of a position sensor and a velocity sensor, or (c) a set of a position sensor, a velocity sensor, and an acceleration sensor, for sensing movement of the ultrasonic probe; and the control circuitry is configured to drive the robot arm based on a signal indicative of the sensed movement of the ultrasonic probe.

15 . The ultrasonic diagnostic apparatus according to claim 14 ,
wherein the robot arm or the ultrasonic probe further includes a pressure sensor; the control circuitry is configured to drive the robot arm further based on biological contact pressure sensed by the pressure sensor.

16 . The ultrasonic diagnostic apparatus according to claim 14 , further comprising at least one of an ECG sensor configured to acquire electrocardiographic information as biological information and a respiration sensor configured to acquire respiratory information as the biological information,
wherein the control circuitry is configured to drive the robot arm further based on the biological information.

17 . The ultrasonic diagnostic apparatus according to claim 1 , further comprising a camera configured to detect a position and motion of the ultrasonic probe or the robot arm,
wherein the control circuitry is configured to drive the robot arm based on the position and motion detected by the camera.

18 . The ultrasonic diagnostic apparatus according to claim 1 , further comprising a camera configured to detect a position and motion of a living body in addition to a position and motion of the ultrasonic probe or the robot arm, as position-and-motion information,
wherein the control circuitry is configured to drive the robot arm based on the position-and-motion information detected by the camera.

19 . The ultrasonic diagnostic apparatus according to claim 1 , further comprising a haptic input device configured to remotely detect biological contact pressure of the ultrasonic probe supported by the robot arm and remotely control driving of the robot arm,
wherein the control circuitry is configured to drive the robot arm in accordance with control of the haptic input device.

20 . The ultrasonic diagnostic apparatus according to claim 1 , further comprising:
a camera configure to image a position and motion of the ultrasonic probe or the robot arm; a display configured to display the position and motion imaged by the camera; and a haptic input device configured to remotely detect biological contact pressure of the ultrasonic probe supported by the robot arm and remotely control driving of the robot arm, wherein the control circuitry is configured to drive the robot arm in accordance with control of the haptic input device operated while the position and motion imaged by the camera is displayed on the display.

21 . The ultrasonic diagnostic apparatus according to claim 1 ,
wherein the control circuitry is configured to
drive the robot arm in such a manner that the ultrasonic probe

Assignees

• Toshiba Medical Sys Corp

Inventors

• Mine Yoshitaka
• Sadamitsu Kazutoshi
• Takahashi Masami
• Nishino Masatoshi
• Kikuchi Norihisa
• Nakazawa Naoyuki
• Nakai Atsushi
• Higuchi Jiro
• Kobayashi Yutaka
• Yao Cong
• Tezuka Kazuo
• Yoneyama Naoki
• Sumi Atsushi

Classifications

• A61B5/0402

  Human Necessities · mapped topic

• A61B8/4263

  using sensors not mounted on the probe, e.g. mounted on an external reference frame · CPC title

• A61B5/0077

  Devices for viewing the surface of the body, e.g. camera, magnifying lens · CPC title

• A61B8/4254

  using sensors mounted on the probe · CPC title

• A61B6/032

  Transmission computed tomography [CT] · CPC title