Segmented Inflatable Dilation Device for Implant Profile Matching
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Solution Overview
Problem
Existing implant dilation technologies face challenges in accurately expanding prosthetic heart valves during minimally invasive procedures, risking over or under expansion due to lack of precise control over dilation profiles and sizes.
Innovation Solution
The development of an inflatable dilation device with a central body having a profile that decreases in diameter along its length, featuring multiple segments with varying profiles and imaging markers for precise positioning, allowing for controlled expansion of implants to match their specific interior profiles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a traditional dilation device is used, then the implant can be dilated, but the dilation precision is insufficient leading to over or under expansion
Solution Approach 1:
The central body is divided into multiple segments along its length, with each segment having a different diameter profile. This segmentation allows different portions of the implant to be dilated to different extents, achieving precise control over the dilation process and preventing both over-expansion and under-expansion of specific implant regions.
Solution Approach 2:
Each segment of the central body is designed with a specific diameter profile tailored to the local requirements of the implant portion it contacts. This local quality approach ensures that each region of the implant receives the appropriate dilation force and degree, matching the specific interior profile requirements of different implant sections.
2Adaptability or versatility
If a single-profile dilation device is used, then the device structure is simple, but it cannot accommodate different implant profiles
Solution Approach 1:
The central body is segmented into multiple sections, each with a distinct diameter profile. This segmentation enables the single device to accommodate and dilate different types of implants with varying interior profiles, as each segment can be configured to match specific implant geometries.
Solution Approach 2:
The dilation device is designed with multi-functional capability through its segmented central body, allowing it to dilate various implant types and profiles using the same device. The different segment profiles provide universal adaptability across multiple implant configurations without requiring separate specialized devices.
3Manufacturing precision
If the central body has a uniform diameter, then the device is easier to manufacture, but it cannot match the angled interior profile of the implant
Solution Approach 1:
The central body segments are manufactured with specific non-uniform diameter profiles that match the angled interior geometry of the implant. Each segment's local diameter variation is precisely engineered to correspond to the specific interior profile requirements of the implant portion it contacts, achieving accurate profile matching.
Solution Approach 2:
The central body segments feature curved and tapered profiles rather than uniform straight cylindrical shapes. These curved geometries are designed to match the angled interior profile of the implant, with gradual transitions in diameter along the segment length to conform to the implant's specific geometric requirements.
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
This solution enables precise and controlled dilation of implants, reducing the risk of over or under expansion, and allows for the same device to dilate different implants to various expanded diameters, improving the accuracy and safety of minimally invasive implant deployment.
Implementation Method 1
an inflatable body configured to be inflated to dilate the implant
Data Source
AI summary
Devices, systems, and methods may be used for dilating implants utilizing dilation devices. An implant deployment system may include an inflatable body having a central body configured to press an inner surface of the implant to dilate the implant and having a profile that decreases in diameter along a length of the central body. An inflatable body may include a plurality of segments with varying expansion characteristics.