The design of a brand-new modular bone conduction hearing device

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000033500

Enrollment

Unknown

Registered

2020-06-03

Start date

2020-06-10

Completion date

Unknown

Last updated

2020-06-08

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

Conditions

CONDUCTIVE HEARING LOSS

Interventions

TEST GROUP (BILATERAL CHL):Wearing a bone conduction hearing aid

CONTROL GROUP (NORMAL HEARING):Wearing a bone conduction hearing aid

Eligibility

Sex/Gender

All

Age

6 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. The objects are patients with congenital external auditory meatus at least 6 years old; 2. Mean pure tone auditory(PTA) threshold of bone conduction = 30 dB HL at frequencies of 0.5, 1, 2, 3 Hz ; 3. The gap between bone conduction PTA and air conduction PTA threshold is =25 dB.

Exclusion criteria

Exclusion criteria: Nil

Design outcomes

Primary

Measure	Time frame
Sound field PTA threshold;Speech recognition threshold;	—

Secondary

Measure	Time frame
Sound source localization test;	—

Countries

China

Contacts

Public ContactTianyu Zhang

Eye and ENT Hospital of Fudan University

ty.zhang2006@aliyun.com+86 18917785861

Outcome results

None listed

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