Rotational Stabilizing Locking Mechanism for Surgical Retractor
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current deep-cavity surgical technologies, including retractors, are limited in visualization capabilities and struggle to maintain effective rotational stabilization, which hampers the precision and efficiency of surgical procedures.
Innovation Solution
A surgical retractor with a rotational stabilizing locking apparatus that includes a central body with a surgical aperture, attachment arm, and interfacing prongs, which provides a frictional locking mechanism between inner and outer arcuate blades, allowing controlled rotation and enhanced visualization through integrated light source guides.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If traditional surgical retractors are used, then basic tissue dilation and pathway preparation is achieved, but visualization capabilities are limited and rotational stabilization is insufficient
Solution Approach 1:
The patent combines multiple functions into a single integrated retractor assembly: the outer and inner arcuate blades work together to provide both tissue dilation and rotational stabilization, while the locking mechanism integrates positioning and visualization capabilities. This merging of functions resolves the contradiction by achieving enhanced visualization and stabilization without proportionally increasing device complexity.
Solution Approach 2:
The inner arcuate blade is nested within the outer arcuate blade, creating a concentric structure that allows the inner blade to rotate independently while maintaining stabilization. This nesting arrangement enables enhanced visualization capabilities through controlled rotation without requiring separate, complex rotational mechanisms, thus improving visualization without proportionally increasing overall device complexity.
2Manufacturing precision
If rotational stabilization is implemented, then precision of surgical pathway is improved, but ease of operation is reduced
Solution Approach 1:
The locking mechanism is designed to automatically engage and lock the inner arcuate blade to the outer arcuate blade through the friction fit between the locking protrusion and locking recess. This self-locking feature provides precise rotational stabilization without requiring additional locking actions or complex operation sequences, thereby maintaining ease of operation while achieving high precision.
Solution Approach 2:
The system transitions from a static, fixed structure to a dynamic, adjustable configuration where the inner arcuate blade can be rotated to different positions and locked. This dynamic capability allows the surgeon to optimize the surgical pathway precision for different anatomical conditions while maintaining ease of operation through simple rotation and locking actions.
3Stability of the object's composition
If frictional locking mechanism is used, then rotational stability is maintained, but device complexity increases
Solution Approach 1:
The locking mechanism is extracted as a separate, modular component with distinct locking protrusions and locking recesses that can be independently designed and optimized. This extraction allows the frictional locking mechanism to provide rotational stability through a simple, elegant design without requiring complex integrated structures, thus maintaining stability while minimizing the increase in overall device complexity.
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 enables precise control of the surgical cavity access, maintains the integrity of the surgical passage, and enhances visualization by allowing controlled rotation and locking of the blades, thereby improving surgical precision and reducing invasiveness.
Implementation Method 1
The first interfacing prong may include a first light source guide element along an extent of the first interfacing prong... The second interfacing prong may include a second light source guide element extending lengthwise along the second interfacing prong... The opposed distal end includes a first width and the proximal end includes a second width. The second width may be wider than the first width for frictionally securing the central body to a surgical retractor blade.
Implementation Method 2
The first interfacing prong may include a first light source guide element along an extent of the first interfacing prong... The first light source guide element may include a channel extending away from the first side of the central body for receiving a first light source conductor.
Data Source
AI summary
A rotational stabilizing locking apparatus for a surgical retractor is disclosed. The, rotational stabilizing locking apparatus may be a locking cap that includes a central body having a surgical aperture extending from a first side of the central body to a second opposed side of the central body. The central body may include an attachment arm extending away from the surgical aperture. Also, a first interfacing prong may extend from the first side of the central body. The first interfacing prong may include a first light source guide element along an extent of the first interfacing prong. Additionally, the locking cap may be applied to an inner arcuate blade nested inside an outer arcuate blade having a coupling aperture. The inner arcuate blade may include a prong slot for receiving the first interfacing prong. Also, a coupling tab of the inner arcuate blade may be disposed within the coupling aperture.