Implants, instruments, and methods for minimally invasive bunion procedures

The introduction of adjustable implants and guides for bunion correction addresses the anatomical limitations of existing technologies, providing a more precise and effective solution for correcting bunion deformities.

WO2025064674A1 Publication Date: 2025-03-27PARAGON 28 INC
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Patent Information

Application Number
PCT/US2024/047485
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-01-08
Filing Date
2024-09-19
Publication Date
2025-03-27

AI Technical Summary

Technical Problem

Current surgical implants, instruments, and guides for correcting bunion deformities do not fully address the anatomical properties of the joint, leading to suboptimal outcomes for patients.

Method used

The development of specialized implants, instruments, and guides that include a guide with adjustable trajectories and an engagement mechanism to precisely align and fixate segments of the first metatarsal, allowing for accurate correction of bunion deformities.

Benefits of technology

This solution enables more precise and effective correction of bunion deformities by accounting for the unique anatomy of the foot, potentially leading to better patient outcomes and improved surgical efficiency.

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Abstract

An instrument having a proximal portion, that includes a guide having at least one opening, the at least one opening having at least one trajectory. The instrument includes a distal portion that has an engagement mechanism that engages with a first segment of a first metatarsal, and an adjustment mechanism that engages with a second segment of a first metatarsal. A surgical method is disclosed with the steps of: coupling the instrument to the foot of a patient; positioning the instrument so a pair of rails are substantially parallel to the first metatarsal; manipulating a locking mechanism; coupling the distal portion of the instrument with a proximal portion segment of the first metatarsal; coupling an angel wing with the instrument; correcting the deformity of the first metatarsal; targeting the implantation of at least one implant and implanting the at least one implant into the first metatarsal.
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