DUKE INVENTOR: Nimmi Ramanujam


Calla Health is a newly formed entity dedicated to improving the lives of women through technological innovations. Our vision is to sustainably improve access to women’s cancer prevention with a low-cost, hand-held, portable imaging devices, mHealth communication platforms, and an automated decision-making algorithm. Technologies under Calla Health are the Pocket Colposcope and the Callascope, which were developed to implement “see-and-treat” paradigms.

Calla Health logo

The Pocket Colposcope

The new instrument with the potential to revolutionize cervical cancer screening in low-resource settings.

Colposcope for detecting cervical cancer

The Callascope

Reimaginging the gynecological exam as we know it, obviating the need for the speculum and enabling users to have more autonomy over their bodies.