Ultrasonic Dissection System End-Tone Feedback Module
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Solution Overview
Problem
Surgeons rely on visual feedback, steam, and experience to determine the application of ultrasonic energy during surgical procedures, lacking clear indications for achieving specific outcomes in tissue treatment.
Innovation Solution
An ultrasonic surgical system with an end-tone outcome indicator module that provides audio, visual, or tactile feedback to the user through a microprocessor-controlled ultrasonic generator, using data look-up tables to indicate specific tissue treatment outcomes, such as thermal spread and dissection speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If surgeons rely on visual feedback and experience to determine ultrasonic energy application, then surgical judgment is based on subjective observation, but precision and consistency in achieving specific tissue treatment outcomes deteriorate
Solution Approach 1:
The system provides real-time feedback to the surgeon through multiple sensory channels (audible tones, visual displays, tactile vibrations) that indicate when specific tissue treatment outcomes are achieved. The end-tone outcome indicator module monitors tissue treatment parameters and provides immediate feedback signals, eliminating the need for surgeons to rely solely on subjective visual observation and experience. This enables precise control of ultrasonic energy application while maintaining ease of operation through intuitive feedback mechanisms.
2Reliability
If multiple indication devices are integrated into the ultrasonic generator, then feedback accuracy and reliability improve, but device complexity increases
Solution Approach 1:
The system integrates multiple indication devices (audible tone generator, visual display, tactile vibration motor) into a single ultrasonic generator unit. The end-tone outcome indicator module coordinates these different feedback mechanisms through a unified control architecture, allowing the system to provide multi-sensory feedback while maintaining a compact, integrated device design. This merging approach enhances reliability through redundant feedback channels without proportionally increasing overall device complexity.
3Manufacturing precision
If real-time outcome indicators are provided during ultrasonic treatment, then surgical precision and consistency improve, but energy consumption and system complexity increase
Solution Approach 1:
The end-tone outcome indicator module operates by periodically monitoring tissue treatment parameters and providing feedback signals at specific intervals or when threshold outcomes are reached. Rather than continuously operating all indication devices at full capacity, the system activates feedback mechanisms only when relevant outcome milestones are achieved during the ultrasonic treatment process. This periodic operation maintains high surgical precision while reducing overall energy consumption compared to continuous full-power operation of all feedback systems.
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
Enables surgeons to accurately determine when specific tissue treatment outcomes are achieved, enhancing precision and consistency in ultrasonic surgical procedures by providing clear and timely feedback.
Implementation Method 1
ultrasonic energy may be delivered to tissue using a surgical probe that includes a transducer coupled to an end effector configured to deliver ultrasonic energy to tissue. Most of these apparatus incorporate a sinusoidal driving signal which causes the mechanical tip to vibrate at a selected frequency, usually in the range of 20 KHz to 60 KHz.
Implementation Method 2
The indication is output via a device selected from an audio activation end-tone device, a visual activation end-tone device or a tactile activation end-tone device.
Data Source
AI summary
An ultrasonic surgical system is provided. The ultrasonic surgical system includes an ultrasonic instrument that is configured to ultrasonically treat tissue. An ultrasonic generator configured to provide ultrasonic energy to the ultrasonic instrument provides an indication to a user that a specific outcome has been achieved. The indication is output via a device selected from an audio activation end-tone device, a visual activation end-tone device or a tactile activation end-tone device. The ultrasonic generator includes an end-tone outcome indicator module that includes memory having one or more data look up tables that is accessible by a microprocessor associated with the ultrasonic generator.