Developable/Fully Collapsible, Multiplying Cylindrical Shaft ID: 2018-045

A novel device that enhances the functionality of cylindrical shafts in confined spaces by allowing for the axial expansion and creation of additional parallel shafts.

Technology Overview

This technology, developed at Brigham Young University, features a cylindrical shaft with a unique curved-link (developable) four-bar mechanism that expands axially, creating additional, parallel shafts. These shafts can serve as channels for deploying tools or devices, making it particularly useful in minimally invasive surgeries and various non-surgical applications, such as in compact electronic devices.

Key Advantages

• Minimizes the number of entrance points required in surgical procedures, potentially reducing trauma
• Lowers procedure time, complexity, and costs in medical applications
• Offers versatility for use in non-surgical applications, including electronics
• Enables easy deployment and retraction of components like sensors or filters

Problems Addressed

• Reduction of trauma and entrance points in minimally invasive surgeries
• Complexity and high costs associated with traditional surgical and industrial procedures
• Lack of versatility and adaptability in existing cylindrical shaft-based tools and devices

Additional Information

Technology ID: 2018-045
Sell Sheet: Download the Sell Sheet here
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Date Published: 28 March, 2025