Monoblock Surgical Handle With Elastic Pivot
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing modular surgical screwdrivers face challenges with reliable and durable assembly, leading to potential bit detachment and increased manufacturing costs due to complex and accurate part requirements, which can be compromised by wear and tear during sterilization and use.
Innovation Solution
A gripping handle designed with a one-piece construction, featuring a main body, blocking lever, and elastic pivot, allowing for easy assembly and disassembly of removable working bits with minimal clearance, manufactured through a single molding process for enhanced durability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If modular surgical screwdrivers are manufactured using parts with high accuracy and complex assembly to ensure reliable bit attachment, then the reliability of bit attachment is improved, but the manufacturing cost and complexity increase
Solution Approach 1:
The patent combines the blocking lever and elastic pivot into a single integrated component that is molded as one piece with the main body. This merging of multiple parts into a single monoblock structure eliminates complex assembly requirements while maintaining reliable bit attachment through the integrated blocking mechanism.
Solution Approach 2:
The patent employs a disposable gripping handle made from a single piece of molded material that can be sterilized and discarded after use. This approach eliminates the need for complex, expensive assemblies that require maintenance and re-sterilization, while ensuring reliable bit attachment for each surgical procedure.
2Ease of operation
If modular surgical screwdrivers use movable parts for bit securing that can be actuated, then the ease of bit change is improved, but the wear of these parts over time causes operational difficulty or loosening
Solution Approach 1:
The blocking lever is designed with an elastic pivot that automatically returns the lever to its blocking position after bit insertion. This self-service mechanism eliminates the need for manual adjustment or complex actuation systems, maintaining reliable bit securing without wear-related operational difficulties.
Solution Approach 2:
The patent segments the bit change operation into simple discrete steps: insert the bit, the blocking lever automatically engages via the elastic pivot, and the bit is secured. This segmentation simplifies the operation while maintaining reliability by separating the blocking function from complex actuation mechanisms.
3Duration of action of stationary object
If surgical instrumentation undergoes repeated cleaning and sterilization, then the reusability is improved, but the assembly deteriorates progressively causing clearance and wear
Solution Approach 1:
The gripping handle is designed as a disposable component that can be sterilized and used once, then discarded. This eliminates the progressive deterioration problem by replacing the entire assembly after a single use, ensuring consistent precision and reliability without repeated sterilization damage.
Solution Approach 2:
By merging all components into a single monoblock structure, the patent eliminates multiple assembly interfaces that could deteriorate from sterilization. The integrated design reduces the number of surfaces and joints susceptible to wear, clearance development, and degradation from repeated cleaning and sterilization processes.
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 provides a reliable, cost-effective, and easy-to-manufacture gripping handle that maintains accuracy and ease of use, reducing the risk of bit detachment and facilitating rapid assembly and sterilization, thus improving surgical efficiency and tool longevity.
Implementation Method 1
an elastic pivot by which the blocking lever is rotatably mounted on the main body, the elastic pivot being designed to bring, by itself, the blocking lever back in the blocking orientation when the latter is in the release orientation
Data Source
AI summary
The invention concerns a gripping handle (1) comprising:a main body (3),a receiving orifice (4) formed within the main body (3) for receiving a sliding removable working bit (2),a blocking lever (14) rotatably mounted on the main body (3) between:a blocking orientation in which it blocks the sliding of the working bit (2),a release orientation in which it enables the sliding of the working bit (2),an elastic pivot (15, 16) designed to bring, by itself, the blocking lever (14) back in the blocking orientation,the gripping handle (1) being characterized in that the main body (3), the blocking lever (14) and the elastic pivot (15, 16) are integral with each other.Surgical instrumentation.