A study of ultrasound probe processing methods in the emergency department: a single-centre, single-blind, randomized, controlled trial

A study of ultrasound probe processing methods in the emergency department: a single-centre, single-blind, randomized, controlled trial - Trophon study

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000055218

Enrollment

200

Registered

2024-08-12

Start date

2024-08-18

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Any emergency diseases

Interventions

&lt

trophon2 group&gt

Remove the ultrasonic probe from the ultrasonic device, reprocess it using trophon2, attach the probe cover after reprocessing, and connect it to the ultrasonic device. If the probe cover comes off un

Standard wiping group&gt

The subject ultrasound probe should be wiped with a dry wipe or a wet towel moistened with water while still connected to the ultrasound machine. Additional wiping with ethanol wipes may be added at t

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: ultrasound probe used on a patient in the emergency room or equally contaminated

Exclusion criteria

Exclusion criteria: Probe deemed inappropriate for inclusion in the study by the physician who used it

Design outcomes

Primary

Measure	Time frame
Ultrasonic probe contamination rate (bacterial detection rate, bacterial colony count)	—

Secondary

Measure	Time frame
bacterial species Sample collection time	—

Countries

Japan

Contacts

Public ContactRyo Yamamoto

Keio University School of Medicine Department of Emergency and Critical Care Medicine

ryoyamamoto@keio.jp0332251323

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026