Head Retention Alignment for Vestibular Robot Positioning
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Solution Overview
Problem
Current medical robots face challenges in precisely positioning patients with benign paroxysmal positional vertigo, particularly in relation to the vertical and rear semicircular canals, which affects the effectiveness of therapy due to imprecise movement and time workflow.
Innovation Solution
A retention device with a fixing mechanism that measures and determines the position of the auditory canal openings relative to the robot, allowing the robot arm to accurately position the tool center point over the relevant equilibrium organ for targeted therapy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual positioning methods are used for patient repositioning, then the complexity of the device is reduced, but the positioning precision and therapeutic effectiveness deteriorate
Solution Approach 1:
The fixing device is pre-configured with measurement devices that automatically determine the positions of auditory canal openings before therapy begins. This preliminary measurement action eliminates the need for complex manual positioning during treatment, achieving high positioning precision without increasing operational complexity.
Solution Approach 2:
The system performs self-positioning through automated measurement devices that independently determine the patient's head position and auditory canal openings. The robot then autonomously adjusts its tool center point based on these measurements, eliminating the need for continuous manual intervention and reducing operational complexity while maintaining high precision.
2Adaptability or versatility
If complex repositioning sequences are implemented for vertical and rear semicircular canals, then the therapeutic coverage is improved, but the ease of operation deteriorates
Solution Approach 1:
The patent replaces complex manual mechanical repositioning sequences with an automated robot system. The robot uses measurement devices to determine auditory canal positions and automatically calculates the required movements, substituting manual operational complexity with automated computational processes that maintain high adaptability while improving ease of operation.
Solution Approach 2:
The system dynamically adjusts movement parameters based on measured positions of auditory canal openings and determined positions of equilibrium organs. By changing movement parameters automatically rather than following fixed complex sequences, the system achieves comprehensive therapeutic coverage while simplifying operation.
3Reliability
If precise positioning relative to the center of the vestibular organ is achieved, then the therapeutic success is improved, but the time required for positioning increases
Solution Approach 1:
The measurement devices determine the positions of auditory canal openings and the robot determines the position of equilibrium organs before therapy begins. This preliminary determination of precise positions eliminates time-consuming adjustments during treatment, achieving high therapeutic success while reducing positioning time.
Solution Approach 2:
The system uses measurement devices to obtain feedback on the patient's head position and auditory canal openings, then automatically adjusts the tool center point positioning based on this feedback. This closed-loop feedback mechanism ensures precise positioning relative to the vestibular organ while minimizing adjustment time through automated real-time corrections.
Data Source
AI summary
In a retention device, a medical robot and a method to set the tool center point of a medical robot, the retention device has a fixing device to fix the head of a person held by the retention device. The fixing device provides an indication of the position of the openings of the auditory canals of the ears of the person relative to the retention device based on the relation between the fixing device and the head of the person and the relation between the fixing device and the retention device.