Surgical Device Bending Apparatus with Movable Post
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Solution Overview
Problem
Current surgical bending tools face challenges in providing adequate leverage and precision for bending bone plates and other surgical devices, often requiring excessive strain on the user and being too cumbersome for effective use during procedures.
Innovation Solution
A bending apparatus with a housing and movable posts, utilizing a circumferentially movable third post actuated by a first actuator, which allows for precise bending of surgical devices by rotating the actuator to move the post, thereby increasing leverage and precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If traditional hand tools or table top bending apparatus are used, then bending capability is provided, but user strain increases and precision decreases
Solution Approach 1:
The bending apparatus incorporates a movable post that can be dynamically adjusted along a curved path guided by a slot, allowing the application point of bending force to adapt during the bending process. This dynamic adjustment optimizes mechanical advantage and reduces user strain while maintaining effective bending capability.
Solution Approach 2:
The apparatus introduces an intermediary mechanical structure consisting of a lever arm and guided post system that mediates between the user's input force and the surgical device. This intermediary mechanism amplifies the user's force efficiently and directs it precisely to the bending point, reducing the physical strain required.
2Force
If traditional bending tools are used, then bending function is achieved, but precision and control are insufficient
Solution Approach 1:
The guided post moving along a predetermined curved slot provides dynamic control over the bending trajectory. This ensures that the surgical device is bent along the exact desired path, achieving high precision contouring that matches specific anatomical requirements while maintaining effective bending force application.
Solution Approach 2:
The apparatus provides mechanical feedback through the guided movement system, where the slot geometry itself acts as a feedback mechanism that constrains the post's movement to the precise desired path. This passive feedback system ensures accurate bending without requiring complex active control systems.
3Force
If table top bending apparatus are used, then bending capability is provided, but device size and complexity increase
Solution Approach 1:
The bending apparatus is segmented into modular components: a housing, a movable post assembly, a guided slot mechanism, and adjustment components. This segmentation allows the complex bending function to be achieved through simpler, more manageable sub-components that can be compactly arranged, reducing overall device size and complexity.
Solution Approach 2:
The apparatus utilizes a two-dimensional curved slot path to control the one-dimensional bending force application. By confining the post's movement to a predetermined curved trajectory in two dimensions, the system achieves precise bending control without requiring complex three-dimensional adjustment mechanisms, thereby simplifying the overall device design.
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 apparatus provides increased leverage and precision in bending surgical devices, reducing user strain and improving the ease of use during surgical procedures, allowing for more accurate contouring of devices to match specific anatomical needs.
Implementation Method 1
a first actuator may be provided to interact with the third post to move the post circumferentially, such that the surgical device is bent about at least one of the first and second posts
Data Source
AI summary
A system for bending a surgical device is disclosed in which the system may include a bending apparatus having a housing with a series of posts received therein. In some embodiments, one of the series of posts may be selectively movable within an elongate slot in the housing, while another of the series of posts may be circumferentially movable. Movement of the circumferentially movable post may serve to bend a surgical device about at least one of the other remaining posts. A tool may also be provided with the system for interacting with a lever and causing the circumferentially movable post to move circumferentially. An alternate apparatus for bending a surgical device is also disclosed, as are methods of bending a surgical device using the aforementioned system.