Omnifocus laparoscope

Area of Science:

• Medical Imaging
• Surgical Technology
• Optical Engineering

Background:

• Current "Chip-on-the-Tip" laparoscopes have a limited depth of focus (10 cm).
• This limitation hinders comprehensive visualization during surgical procedures.
• Achieving a consistently focused image across the entire surgical field is critical.

Purpose of the Study:

• To develop an omnifocus laparoscope with an extended depth of focus.
• To overcome the limitations of conventional laparoscopes in surgical visualization.

Main Methods:

• Utilizing an array of color video cameras, each focused at a different distance.
• Integrating a laparoscopic profilometer to acquire distance information.
• Employing algorithms to generate a single, omnifocused image from multiple focal planes.

Main Results:

• The proposed omnifocus laparoscope achieves an extended depth of focus up to 160 cm.
• The device ensures all elements within the surgical scene are in focus, unlike autofocus systems.

Conclusions:

• The omnifocus laparoscope offers a substantial improvement in depth of field for laparoscopic surgery.
• This technology enhances surgical visualization by providing a fully focused image of the entire operative field.