LED Force Feedback Driving Device for Surgical Precision
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Solution Overview
Problem
Current methods for driving instruments during joint implantation surgery lack precision, often causing bone fracture or implant damage due to imprecise force application, and require inconvenient interruptions for assessment.
Innovation Solution
A driving device equipped with a visual feedback system using LEDs to indicate the impact force, allowing surgeons to adjust their technique in real-time without diverting attention from the surgical field.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual techniques with audible or visual estimation are used to assess bone impact, then the surgeon can perform the procedure without additional equipment, but the precision of force measurement is insufficient leading to bone fracture or implant damage
Solution Approach 1:
The patent replaces manual auditory and visual estimation methods with electronic sensors (accelerometers, force sensors) that electronically detect and measure impact forces. This substitution of mechanical sensing with electronic measurement systems resolves the contradiction by providing precise quantitative data without requiring complex mechanical feedback mechanisms.
Solution Approach 2:
The patent implements real-time feedback systems that provide immediate information to the surgeon about impact force magnitude. The feedback mechanism processes sensor data and delivers actionable information, enabling precise force control while maintaining procedural efficiency. This resolves the contradiction by making precise measurement practical through automated real-time information delivery.
2Productivity
If the surgeon stops to assess bone condition manually, then the assessment can be performed with available senses, but the procedure time increases and productivity decreases
Solution Approach 1:
The patent enables continuous force measurement and feedback throughout the surgical procedure without interruption. Sensors continuously monitor impact forces, and the feedback system continuously processes and communicates this information, eliminating the need for periodic stopping and manual assessment. This maintains procedural flow and productivity while providing continuous force information.
Solution Approach 2:
The system performs self-assessment of bone impact conditions through automated sensor detection and analysis. The feedback system independently evaluates force magnitudes and provides guidance without requiring surgeon interruption for manual assessment, thereby maintaining procedural efficiency while preventing information loss.
3Ease of operation
If visual feedback is provided through LEDs on the driving device, then the surgeon can monitor force in real-time without diverting attention, but the device complexity increases
Solution Approach 1:
The patent uses color-changing LED indicators to communicate force magnitude information intuitively. Different colors represent different force levels, providing immediate visual feedback that is easy to interpret at a glance. This color-coded system simplifies the monitoring task for the surgeon while the underlying electronic components manage the complexity of force measurement and interpretation.
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 visual feedback system enhances precision, reduces the risk of damage to bones or implants, and streamlines the surgical process by providing immediate feedback on force application.
Implementation Method 1
detecting, using a force sensor disposed within a striking component attached to a driving device, an impact force exerted by the striking component; outputting a voltage from the force sensor to circuitry
Data Source
AI summary
Systems and methods may display an indication of an impact force from a driving device. A method may include displaying the indication of the impact force with a light. The light may be located on the driving device, a component attached to the driving device, a user interface, or the like. Different colors may be used to indicate different impact forces. For example, a first light color may correspond to an impact force below a first threshold, a second light color may correspond to an impact force above a second threshold, and a third light color may correspond to an impact force between the thresholds. The impact force may be detected using a sensor, which may output a voltage to cause the illumination.