Optical techniques for 3D surface reconstruction in computer-assisted laparoscopic surgery

Area of Science:

• Medical Imaging
• Surgical Technology
• Computer-Assisted Surgery

Background:

• Accurate intra-operative soft-tissue morphology and motion are essential for advanced computer-assisted surgery (CAS).
• Minimally invasive surgery (MIS) increasingly relies on real-time data for enhanced navigation and robotic control.
• Optical techniques are emerging as a key technology for in vivo 3D reconstruction in surgical settings.

Purpose of the Study:

• To review current optical methods for intra-operative 3D reconstruction in laparoscopic surgery.
• To identify technical challenges hindering clinical translation of these optical technologies.
• To discuss future perspectives for optical 3D reconstruction in CAS.

Main Methods:

• Literature review of state-of-the-art optical 3D reconstruction techniques.
• Analysis of methods applied in laparoscopic surgery.
• Discussion of challenges in dynamic and deformable anatomical regions.

Main Results:

• Optical techniques show significant potential for in vivo 3D soft-tissue reconstruction.
• Registration of multi-modal patient-specific data is enhanced by accurate 3D surface geometry.
• Real-time 3D reconstruction aids navigation and robotic instrument control in MIS.

Conclusions:

• Optical 3D reconstruction is vital for advancing CAS in MIS.
• Addressing technical challenges is key for clinical adoption.
• Future developments in 3D optical imaging will facilitate complex procedures in dynamic environments.