iSonea has raised $4.6m, generating $300,000 more than expected under its original $4.3m renounceable rights issue.

The company will use this amount to accelerate, develop and integrate its proprietary Acoustic Respiratory Monitoring technologies with strategic partners, proactiveinvestors reports.

Isonea is also looking for a strategic partner to launch, distribute and sell its Acoustic Respiratory Monitoring products in the US and other key asthma markets.

Acoustic Respiratory Monitoring is a non-invasive device designed for managing asthma and related pulmonary disorders.