Comparison of the Williams Airway Intubator, the Ovassapian Airway and the Berman Airway as upper airway conduits for portable electron mirror orotracheal intubation by novice and trained doctors

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-TRC-14004987

Enrollment

Unknown

Registered

2014-07-22

Start date

2014-07-27

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

Interventional

Interventions

Williams group:Williams Airway Intubator

Ovassapian group:Ovassapian Airway

Berman group:Berman Airway

Pressing tongue gastroscope bite block:Pressing tongue gastroscope bite block

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Patients for selective operation under general anesthesia; ASA I-III in the first affiliated hospital of Guangzhou University of TCM.

Exclusion criteria

Exclusion criteria: Regurgitation and aspiration high-risk patients; high-risk patients with respiratory tract bleeding; patients with diseases of the throat.

Design outcomes

Primary

Measure	Time frame
view of the glottis via the airway;The time of portable electronic mirror into the ai;endotracheal tube into the airway;time to intubatio;	—

Secondary

Measure	Time frame
potential trauma score;ease of intubation scor;	—

Countries

China

Contacts

Public ContactMa Wuhua

gzmwh@outlook.com+86 020 36588707

Outcome results

None listed

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