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An in Vivo CT Imaging Study of GMA-Tulip, I-gel, and LMA Supreme (GLAM-II)

RecruitingNAAges 18 Years - 75 YearsAllZhejiang Cancer Hospital
NCT07196696 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Laryngeal masks are core devices for supraglottic airway management, and the accuracy of their anatomical position directly impacts ventilation safety and the incidence of complications. Despite their wide clinical application, gaps remain in understanding their in vivo anatomical characteristics. This study aims to evaluate the in vivo anatomical features (e.g., insertion depth, anatomical alignment, tissue compression) of three laryngeal masks (LMA Supreme, I-gel, GMA-Tulip) using CT scanning in anesthetized patients undergoing CT interventional therapy, providing anatomical evidence for optimized laryngeal mask selection and complication prevention.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Aged 18-75 years, scheduled for CT interventional therapy; * Aged 18-75 years, scheduled for CT interventional therapy; * Body Mass Index (BMI) \<30 kg/m²; * Good communication and cooperation, with voluntary signing of the informed consent form. Exclusion Criteria: * Presence of head/neck or airway anatomical abnormalities (e.g., laryngeal cartilage malformation, Grade III tonsillar hypertrophy, tongue hypertrophy, cervical spine malformation) that may affect laryngeal mask insertion or CT imaging evaluation; * Current participation in other clinical studies.
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What it tests

  • GMA-Tulip
  • I-gel
  • LMA-Supreme insertion
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Where

2 sites
Ethics Committee of Zhejiang Cancer Hospital
Hangzhou, China
Jiangling Wang
Hangzhou, China
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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