Medical Observation Device Vibration Sensor Image Shake Correction

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Solution Overview

Problem

Medical observation devices used during surgeries often experience image shake due to vibrations from footsteps or other movements, leading to unstable observation images and increased mental strain on surgeons.

Innovation Solution

A medical observation device equipped with a vibration sensor and a control unit that detects vibrations and corrects image shake in real-time, using either electronic or optical correction methods to stabilize the image displayed to the surgeon.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If magnified observation is performed during surgery, then observation precision is improved, but image stability deteriorates due to vibration

Engineering Contradiction:

Improveobservation precisionVSAvoidimage stability

Core Design Contradiction:

Measurement precisionVSStability of the object's composition

Solution Approach 1:

The system uses acceleration sensors to detect vibration in real-time and feeds this information back to the image processing unit, which then applies correction algorithms to stabilize the magnified observation image, resolving the contradiction between high magnification and image stability

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

Instead of using mechanical vibration isolation systems, the patent employs electronic image processing methods to correct vibration effects, replacing complex mechanical structures with electronic signal processing to maintain image stability during magnified observation

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Stability of the object's composition

If vibration detection and correction systems are added, then image stability is improved, but device complexity increases

Engineering Contradiction:

Improveimage stabilityVSAvoiddevice complexity

Core Design Contradiction:

Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The control unit performs multiple functions including vibration detection coordination, image processing, and display control within a single integrated system, reducing overall device complexity while maintaining image stability correction capabilities

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system adjusts image processing parameters dynamically based on detected vibration levels, using software-based correction that adapts to different vibration conditions without requiring complex hardware modifications for each scenario

Inventive Principle:

Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution provides a stable observation image, reducing mental strain and ensuring smoother surgical procedures by effectively mitigating the impact of vibrations on the image quality.

Implementation Method 1

a vibration sensor that detects a vibration of the observation unit

Methodology Applied

Scientific EffectVibration detection: Accelerometer

Data Source

PatentUS11284000B2Medical observation device, medical observation system, and image shake correction method

Publication Date: 2022.03.22 SONY OLYMPUS MEDICAL SOLUTIONS

AI summary

There is provided a medical observation device, including: an observation unit configured to perform magnified observation of a surgical site; a vibration sensor that detects a vibration of the observation unit; a support unit that supports the observation unit; and a control unit that conducts an image shake correction that corrects a shake in an image observed by the observation unit, based on a detection value from the vibration sensor.