Miniature liquid-lens endoscope for clearer internal images

Low-voltage liquid lens enabled endoscopic optical coherence tomography

NIH-funded research University of Colorado · NIH-11257335

This project builds a smaller, faster endoscope using a low-voltage liquid lens to capture high-resolution images of tissues for people with heart disease, cancer, or neurological conditions.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Colorado NIH-funded
Lab location1 site (Boulder, UNITED STATES)
Project IDNIH-11257335 on NIH RePORTER

What this research studies

Researchers are creating a tiny forward-viewing endoscope that uses an electrowetting liquid lens to steer the imaging beam without bulky moving parts. They will combine this lens with micro-optical coherence tomography (µOCT) to capture high-speed, 3-D tissue images and will test performance at kilohertz speeds. Early validation will use laboratory tissue phantoms before integrating the lens into a miniaturized probe. The team aims to adapt the system for imaging in cardiovascular, cancer, and neurological procedures.

Who could benefit from this research

Good fit: Ideal candidates would be patients undergoing cardiovascular, cancer, or neurological surgeries where a small forward-looking imaging probe could assist treatment decisions.

Not a fit: Patients who do not require internal imaging or who are treated non-surgically are unlikely to benefit from this early-stage device.

Why it matters

Potential benefit: If successful, the device could give surgeons real-time, microscopic views inside the body to improve diagnosis and guidance during procedures for cancer, heart disease, and neurological disorders.

How similar studies have performed: High-resolution OCT is clinically established, but combining µOCT with a low-voltage electrowetting liquid lens for a tiny forward-viewing endoscope is new and largely untested in humans.

Where this research is happening

Boulder, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions CancersCardiovascular Diseases
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.