Comparison of the application effects of GMA-TULIP laryngeal mask and LMA laryngeal mask in stone cutting position anorectal surgery

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2500102035

Enrollment

Unknown

Registered

2025-05-07

Start date

2025-05-25

Completion date

Unknown

Last updated

2025-05-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Laryngeal mask ventilation

Interventions

Group A:GMA-TULIP laryngeal mask

Group B:LMA laryngeal mask

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Patients scheduled for colorectal surgery under general anesthesia; aged 18 to 65 years; ASA physical status classification I to II; undergoing surgery in the lithotomy position.

Exclusion criteria

Exclusion criteria: Patients with comorbid gastroesophageal reflux disease or esophageal diverticulum; patients with congenital airway anomalies, laryngeal lesions, or a history of laryngeal surgery; patients predicted to have a difficult airway; patients with a mouth opening less than 2 cm.

Design outcomes

Primary

Measure	Time frame
oropharyngealleak pressure;	—

Secondary

Measure	Time frame
Fiber bronchoscopy examination alignment grading;Airway assessment;Laryngeal mask insertion time ;Intraoperative complications;Success rate of initial insertion;Postoperative complications;	—

Countries

China

Contacts

Public ContactZhentao Sun

The First Affiliated Hospital of Zhengzhou University

gentlesun@126.com+86 136 0345 5483

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026