Patient Table Mounting Assembly for Repositionable Magnetic Field Generators
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Solution Overview
Problem
Existing mounting systems for magnetic field generators in electroanatomic mapping procedures are inflexible and require patient movement for repositioning, disrupting the procedure and potentially interfering with the magnetic field.
Innovation Solution
A mounting assembly with extendable arms, tensioning means, and side rails that securely attach the magnetic field generator underneath a patient table, allowing for easy repositioning without disturbing the patient, constructed from non-magnetic and x-ray translucent materials to minimize interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the magnetic field generator is securely strapped underneath the patient table, then the attachment reliability is improved, but the ability to re-position the generator without disturbing the patient deteriorates
Solution Approach 1:
The mounting assembly transitions from a static fixed attachment to a dynamic system that allows movement. The side rails are designed to slide along the extendable arms within the mounting apparatus, enabling the magnetic field generator to be re-positioned along the length of the patient table while maintaining secure attachment through the locking mechanism.
Solution Approach 2:
The mounting assembly is divided into separate functional components: extendable arms for attachment to the table, side rails for mounting the generator, and a locking mechanism. This segmentation allows the generator to be independently re-positioned along the side rails without affecting the overall attachment stability to the patient table.
2Adaptability or versatility
If the magnetic field generator is re-positioned after patient placement, then the procedural flexibility is improved, but the magnetic field quality and fluoroscopy image quality deteriorate
Solution Approach 1:
The mounting assembly uses non-magnetic materials specifically for components that interact with the magnetic field environment. The side rails and extendable arms are constructed from non-magnetic materials that do not interfere with the magnetic field generation or fluoroscopy imaging, allowing re-positioning without degrading field quality or image quality.
Solution Approach 2:
The mounting assembly acts as an intermediary between the magnetic field generator and the patient table. By using non-magnetic intermediate components (side rails and extendable arms), the system enables mechanical support and re-positioning capabilities while preventing magnetic interference that would otherwise be introduced by direct metal-to-table contact.
3Device complexity
If a traditional mounting system is used, then the structural simplicity is improved, but the re-positioning capability without patient disturbance deteriorates
Solution Approach 1:
The side rails are designed to nest within the mounting apparatus, sliding along the extendable arms. This nested configuration allows the generator to be mounted and re-positioned without requiring complex external support structures, maintaining relative simplicity while enabling re-positioning capability.
Data Source
AI summary
The present disclosure provides a mounting assembly for attaching medical equipment to a patient table. In one particular embodiment, the present disclosure provides a mounting assembly for attaching a magnetic field generator to a patient table. The mounting assembly allows for the secure attachment of the magnetic field generator to the patient table while also allowing for easy adjustment of the positioning and location of the magnetic field generator, even after the patient is on the table. In many embodiments the mounting assembly is comprised of a mounting apparatus that attaches directly to the patient table and first and second side rails that attach to the magnetic field generator and are configured to slidably attach to the mounting apparatus. In some embodiments, the mounting apparatus and side rails are constructed of a material that provides little or no interference with the magnetic field generator.