Apparatus and method for everting catheter for IUD delivery and placement in the uterine cavity

AU2020361621B2Pending Publication Date: 2026-07-16CROSSBAY MEDICAL INC
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Patent Information

Authority / Receiving Office
AU · AU
Patent Type
Applications
Current Assignee / Owner
CROSSBAY MEDICAL INC
Filing Date
2020-10-09
Publication Date
2026-07-16

AI Technical Summary

Technical Problem

Current methods for accessing the uterine cavity, such as using guidewires and catheters, often result in shear forces that can cause trauma and perforation, and are challenging in cases of stenotic or tortuous cervical canals, particularly for nulliparous women or post-menopausal individuals, leading to discomfort and complications during IUD placement.

Method used

An everting balloon system that uses hydraulic pressure to deploy an inner catheter with an everting membrane, allowing for frictionless traversal of the cervical canal and uterine cavity, reducing shear forces and facilitating IUD placement without direct contact with vaginal or cervical tissues, and enabling one-handed operation with automatic deployment and disengagement.

Benefits of technology

The everting balloon system minimizes trauma and discomfort by reducing shear forces, improves accessibility in challenging anatomical conditions, and ensures precise IUD placement with reduced risk of perforation or misplacement, while maintaining sterility and ease of use.

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Abstract

An everting balloon system is disclosed that can be used for the placement of an IUD within the uterine cavity of a female patient. The everting balloon system with IUD can be used to access a uterine cavity at specific locations in the fundus. A one-handed IUD delivery system for placement with an everting catheter is disclosed. An IUD loading system for placement within an everting catheter is disclosed. The everting catheter with an IUD can simplify the process of IUD placement within the uterine cavity.
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