Articulating Surgical Retractor System for Spinal Access
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Solution Overview
Problem
Traditional spine surgical procedures involve blunt dissection through tissues, lacking a refined and controlled approach, which can lead to complications during and after surgery.
Innovation Solution
A surgical access system with a retractor system featuring articulating arms and blades, allowing for independent positioning and angulation of blades to retract tissue effectively, providing direct visualization and access to the spine while minimizing tissue damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional blunt dissection through tissue is used, then surgical access to the spine is achieved, but tissue damage and surgical complications increase
Solution Approach 1:
The retractor system is divided into multiple independent articulating arms (first articulating arm, second articulating arm) that can be positioned and adjusted separately. Each arm can be independently manipulated to achieve optimal tissue retraction while minimizing damage to surrounding structures.
Solution Approach 2:
The retractor system employs articulating arms with hinge mechanisms that provide dynamic, multi-directional movement capability. This allows the blades to be angled and positioned precisely to match the anatomical contours and achieve controlled access to the surgical site without rigid, damaging force.
2Adaptability or versatility
If a fixed retractor system is used, then simple structure is maintained, but adaptability to different surgical sites is reduced
Solution Approach 1:
The articulating arms incorporate hinge mechanisms that enable dynamic adjustment of blade angles and positions. This dynamic capability allows the same retractor system to adapt to various surgical sites and anatomical variations without requiring multiple different devices.
Solution Approach 2:
The system allows for changing key parameters such as blade angle, blade position, and arm configuration to suit different surgical requirements. The hinge mechanisms enable continuous adjustment of these parameters, providing versatility across different surgical scenarios.
3Illumination intensity
If multiple blades are used for comprehensive tissue retraction, then surgical visualization is improved, but device complexity increases
Solution Approach 1:
The retractor system uses multiple segmented blades attached to separate articulating arms, allowing each blade to be independently positioned to retract different tissue layers or structures. This segmentation enables comprehensive visualization of the surgical site while maintaining independent control of each component.
Solution Approach 2:
The articulating arms and blades are designed with universal mounting mechanisms (mounting brackets, hinge mechanisms) that allow the same components to serve multiple functions and be configured for different retraction needs, reducing the number of unique parts required.
Data Source
AI summary
A method for retracting tissue in a surgical procedure includes inserting a first blade of a retractor system into an incision in a body of a patient. The retractor system includes a first articulating arm and a second articulating arm. The first articulating arm is coupled to a retractor assembly blade. The retractor assembly blade has a handle portion and the first blade. The second articulating arm is coupled to a bracket securing a second blade. The method includes retracting tissue using the first blade, inserting the second blade into the incision in the body of the patient and retracting tissue using the second blade.