Retractor Blade Extenders for Tissue Displacement and Stabilization
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Solution Overview
Problem
Existing retractor systems struggle with the need for further manipulation of tissue after an initial surgical corridor is created, as common retractor blades do not adequately address tissue displacement and stabilization during surgical procedures.
Innovation Solution
The introduction of retractor blade extenders and tissue shims that can be removably attached to retractor blades, featuring an extension portion and engagement portion, allowing for enhanced tissue manipulation and stabilization within the surgical corridor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If common retractor blades are used to create an initial surgical corridor, then the surgical corridor is established, but further manipulation of tissue is insufficient
Solution Approach 1:
The retractor system is divided into separate functional components: the base retractor blade and the removable extension portion. This segmentation allows the extension portion to be attached only when additional tissue manipulation is needed, enhancing adaptability without permanently increasing system complexity.
Solution Approach 2:
The extension portion can be dynamically attached to or removed from the retractor blade during the surgical procedure. This dynamic configuration allows the system to adapt its functionality based on the specific surgical needs at different stages of the procedure.
2Ease of operation
If retractor blades are repositioned to address tissue displacement, then tissue manipulation is improved, but surgical time is increased
Solution Approach 1:
The extension portion is pre-configured with retention components that engage with the retractor blade channel. This preliminary preparation allows for quick attachment and immediate tissue manipulation without requiring time-consuming repositioning of the entire retractor blade assembly.
Solution Approach 2:
The extension portion acts as an intermediary element between the surgeon and the tissue. It provides additional manipulation capabilities while remaining attached to the existing retractor blade, eliminating the need to reposition the blade itself.
3Reliability
If retractor blades are designed for initial corridor creation, then the surgical corridor is established, but tissue stabilization is inadequate
Solution Approach 1:
The stabilization function is separated from the corridor creation function by using a distinct extension portion. This segment provides specialized stabilization features without complicating the basic retractor blade structure used for initial corridor establishment.
Solution Approach 2:
The extension portion nests within or alongside the retractor blade structure, utilizing the existing blade geometry while adding stabilization capabilities. The retention components engage with features already present in the retractor blade channel.
Data Source
AI summary
Disclosed herein are retractor blade devices, such as blade extenders and tissue shims, as well as drivers and kits for utilizing such retractor blade devices. Exemplary retractor blade devices include a retractor blade engagement portion having a body portion configured to sit at least partially in a channel of a retractor blade. The body portion has a first retention component extending therefrom. Exemplary retractor blade devices also include an extension portion extending from the body portion of the retractor blade engagement portion.