JP2018138140A5

JP2018138140A5 -

Info

Publication number: JP2018138140A5
Application number: JP2017033934A
Authority: JP
Filing date: 2017-02-24
Publication date: 2020-03-19
Anticipated expiration: 2037-02-24

Claims

An insertion unit that is inserted into the subject and captures a subject image in the subject from the tip;
An imaging unit that captures the subject image ;
And the object distance calculation unit that calculates an object distance between the tip and the subject of the previous SL insertion portion,
An endoscope apparatus and a distance information notifying unit that notifies the distance information relating to the object distance.

Further comprising a distance determination unit that determines whether the subject distance is within a reference distance,
The distance information notification unit,
The distance information is reported in different reporting states when the subject distance is determined to be greater than the reference distance and when the subject distance is determined to be within the reference distance by the distance determination unit. 2. The endoscope device according to 1.

A treatment tool detection unit that detects a use state of the treatment tool inserted into the subject,
The reference distance is
Two of a first reference distance and a second reference distance longer than the first reference distance,
The distance determination unit,
When the use state of the treatment tool is not detected by the treatment tool detection unit, the first reference distance is used as the reference distance, and the use state of the treatment tool is detected by the treatment tool detection unit. using said second reference distance as the reference distance when endoscope apparatus according to claim 2.

The treatment tool detection unit,
Based on the captured image captured by the imaging unit, the use state is detected by determining whether the treatment tool is included in the subject image in the captured image,
The distance determination unit,
When the treatment tool detection unit determines that the treatment tool is not included in the subject image in the captured image, the treatment tool detection unit uses the first reference distance as the reference distance. when the treatment instrument to the subject image in the captured image is determined to be included using the second reference distance as the reference distance, the endoscope apparatus according to claim 3.

A focus unit that adjusts the focus by moving along the optical axis, further comprising a lens unit that forms the subject image captured by the insertion unit on the imaging unit;
The subject distance calculation unit,
A lens position detection unit that detects a lens position of the focus lens,
The distance information notification unit,
The endoscope apparatus according to any one of claims 1 to 4, wherein distance information on the subject distance is notified based on the lens position.

A distance determination unit that determines whether the subject distance is within a reference distance,
A lens driving unit that moves the focus lens;
A lens control unit that controls an operation of the lens driving unit,
The distance information notification unit,
In the case where it is determined that the subject distance exceeds the reference distance and in the case where it is determined that the subject distance is within the reference distance, the distance information is notified in different notification states,
The lens control unit includes:
When the distance determining unit determines that the subject distance is within the reference distance, the lens driving unit is operated, and the subject image is in a focused state when the subject distance is the reference distance. wherein moving the focus lens to a position, the endoscope apparatus according to claim 5.

The lens position detector,
A position sensor for detecting the lens position, the endoscope apparatus according to claim 5 or 6.

A lens driving unit that moves the focus lens;
A lens control unit that controls an operation of the lens driving unit,
The lens position detector,
Based on the control value the lens controller is output from the lens control unit to the lens driving unit when operating the lens driving unit one of, for detecting the lens position, any one of claims 5-7 An endoscope apparatus according to claim 1.

A distance determination unit that determines whether the subject distance is within a reference distance,
The distance information notification unit,
A display unit that displays the distance information;
A display control unit that controls the operation of the display unit,
The display control unit,
The distance information is displayed on the display unit in different display states depending on whether the subject distance exceeds the reference distance or when the distance is determined to be within the reference distance. let endoscope apparatus according to any one of claims 1 to 8.

A distance determination unit that determines whether the subject distance is within a reference distance,
The distance information notification unit,
An audio output unit that outputs the distance information as audio;
An audio control unit that controls the operation of the audio output unit,
The voice control unit,
In the case where it is determined that the subject distance exceeds the reference distance and in the case where it is determined that the subject distance is within the reference distance, the distance information is output from the audio output unit in different output states. to an audio output, the endoscope apparatus according to any one of claims 1 to 9.

Further comprising an image enlarging unit for enlarging the subject image included in the captured image obtained by the imaging by the imaging unit, the endoscope apparatus according to any one of claims 1-10.