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A novel method for hyoid suspension using a magnetic device in beagles: A preliminary study
Zong-Wu Yao1,2,3, Nadiya Nuerbolati1,2,3, Pei-Xi Li1,2,3
1Department of Geriatric Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 277 West Yanta Road, Shaanxi Province, Xi'an, 710061, China.
Scientific Reports
|July 2, 2025
Summary
A new magnetic device effectively improved upper airway (UA) geometry in beagle dogs. This safe and reliable hyoid suspension method shows promise for treating UA collapse.
Area of Science:
- Biomedical Engineering
- Veterinary Surgery
- Otolaryngology
Background:
- Current hyoid suspension techniques for upper airway (UA) collapse have limitations.
- Magnetic force application for hyoid bone displacement shows potential for improving UA geometry.
Purpose of the Study:
- To develop and assess the safety and feasibility of a novel magnetic device for hyoid suspension.
- To evaluate the device's efficacy in improving UA geometry in beagle canines.
Main Methods:
- Ten beagle canines underwent hyoid suspension using the new magnetic device.
- Upper airway geometry was assessed via laryngeal inspection and X-ray imaging.
- Magnetic force, magnet distance, and canine barking/swallowing functions were evaluated.
Main Results:
- The magnetic hyoid suspension procedure was successful and safe in all canines.
- Significant improvement in UA geometry and increased hyoid bone-cervical vertebrae distance observed.
- Barking and swallowing functions remained unchanged post-surgery.
Conclusions:
- The novel magnetic device is a reliable and effective tool for improving UA geometry.
- This method offers a promising alternative for treating upper airway collapse in canines.

