Modular Surgical Retract With Detachable Blades
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional retractors are inefficient in isolating deeper tissues during surgical procedures, often requiring adjustment or assistance to effectively retract and isolate bone or internal target areas.
Innovation Solution
A self-retaining retractor assembly with laterally extending posts and modular components that can be detachably attached, allowing for easy positioning and retention of tissue, even without an assistant, through a ratchet mechanism and varied modular configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional retractors are used to retain open an incision, then the incision can be kept open, but the deeper tissues and bone areas cannot be effectively isolated or retracted
Solution Approach 1:
The retractor is divided into modular components including a base unit with opposing arms and detachable retractor blades. The blades can be separated from the base unit and repositioned independently to access deeper tissues, allowing the device to function both as a simple incision holder and as a deep tissue isolator when needed.
Solution Approach 2:
The retractor arms are designed with dynamic adjustment capabilities through the detachable blade mechanism. The blades can be removed and reattached at different positions and orientations, enabling the device to adapt its configuration for different surgical needs and tissue depths.
2Reliability
If self-retaining retractors are used, then continuous retraction is maintained, but adjustment or manipulation by a surgical assistant is still required
Solution Approach 1:
The retractor incorporates a self-retaining mechanism with ratchet locks that automatically maintain continuous retraction force without requiring constant manual adjustment. The modular blades can be positioned and then locked into place, allowing the device to maintain itself without assistant intervention during the surgical procedure.
3Device complexity
If fixed configuration retractors are used, then the structure is simple, but the device cannot be adapted to various surgical procedures
Solution Approach 1:
The retractor base unit is designed as a universal platform that can accommodate multiple types of retractor blades for different surgical applications. The standardized interface allows a single base unit to perform multiple functions by simply changing the detachable blade component, eliminating the need for multiple specialized retractors.
Solution Approach 2:
By separating the retractor into a permanent base unit and detachable blades, the design maintains structural simplicity in the base while providing versatility through the interchangeable blade components. Each blade can be optimized for specific procedures while sharing the common base mechanism.
Data Source
AI summary
A retractor assembly for positioning tissue during a surgical procedure, having two opposing arms disposed adjacent to one another and sized and configured to be urged substantially laterally away from one another during actuation of the retractor assembly into an open position, and one or more posts, each post being connected to, or integral with, and extending radially outwardly from a respective one of the opposing arms, each of the one or more posts having a length sufficient so that each of the one or more posts will extend through a respective aperture defined by a modular component to be detachably attached to the respective one of the opposing arms. Related methods of positioning tissue during surgery are also described.