Guiding Element Clamping on Adjustable Disks for Uniform Tension
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Solution Overview
Problem
Existing methods for securing guiding elements on a spatially adjustable disk for medical instruments are complex, prone to damage, and require multiple components, leading to inconsistent tension and increased installation space.
Innovation Solution
A method involving passing guiding elements through holes in the disk, guiding them along the disk's surface, and clamping them using a single clamping element to secure them in a force-fitting manner, allowing uniform tension and simplified mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple locking plates and locking wedges are used to clamp guiding cables, then the guiding cables can be secured, but manufacturing tolerances cause varying tensions and the risk of cable damage increases
Solution Approach 1:
Multiple locking plates and locking wedges are merged into a single clamping element with multiple clamping surfaces. This integration ensures that all guiding elements are clamped simultaneously with uniform tension, eliminating the tension variation caused by manufacturing tolerances of multiple separate components.
Solution Approach 2:
The clamping element acts as an intermediary between the guiding elements and the spatially adjustable disk. It provides multiple clamping surfaces that distribute the clamping force uniformly across all guiding elements, preventing cable damage while ensuring reliable securing.
2Reliability
If multiple locking plates and locking wedges are used to clamp guiding cables, then the guiding cables can be secured, but the mounting complexity increases
Solution Approach 1:
Multiple locking plates and locking wedges are merged into a single clamping element with multiple clamping surfaces. This integration reduces the number of components from multiple separate parts to one unified component, significantly simplifying the mounting process while maintaining reliable securing of all guiding elements.
3Reliability
If guiding wires are screwed to a proximal-side swashplate individually, then they can be fixed, but the mounting time increases and the guiding wires may be damaged
Solution Approach 1:
Individual screwing operations for each guiding wire are merged into a single clamping operation. The clamping element simultaneously secures all guiding elements in one action, eliminating the time-consuming sequential screwing process while preventing damage that can occur during individual pre-tensioning and screwing operations.
4Reliability
If threaded holes and screws are used on the swashplate, then the guiding wires can be attached, but the installation space requirement increases
Solution Approach 1:
Multiple threaded holes and screws distributed across the swashplate are merged into a single clamping element. This consolidation reduces the installation space requirement by eliminating the need for multiple radially circumferential threaded holes and their corresponding screws, while still providing reliable attachment of all guiding wires.
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 method enables quick, secure, and efficient mounting of guiding elements with uniform tension, reducing the risk of damage and simplifying the installation process while ensuring optimal transmission of proximal drive movements to the distal joint mechanism.
Implementation Method 1
clamping the passed-through portions of the guiding elements by means of at least one clamping element to the outer surface, the deflection contour and/or the inner surface of the spatially adjustable disk, so that the guiding elements are secured in a force-fitting manner
Data Source
AI summary
Provided are guiding elements, a medical instrument, a robot, and a method for mounting and/or securing guiding elements on a spatially adjustable disk, wherein the spatially adjustable disk has, at least partially, an internal cavity, an outer surface, an inner surface and a deflection contour for deflecting the guiding elements. The method includes: passing the guiding elements through a corresponding hole in the spatially adjustable disk, so that each passed-through portion of the guiding elements is arranged with the corresponding guiding element end on a proximal side of the spatially adjustable disk, guiding the passed-through portions of the guiding elements at least partially along the outer surface, the deflection contour and/or the inner surface of the spatially adjustable disk, and clamping the passed-through portions of the guiding elements to the outer surface, the deflection contour and/or the inner surface of the spatially adjustable disk.