Towards a handheld probe based on optical coherence tomography for minimally invasive spine surgeries.

摘要: Minimally invasive surgical (MIS) techniques for the correction of scoliosis are under development. The installation fusionless implants targeting vertebral growth plate requires precise identification spinal micro-structures. During ex vivo studies, we demonstrate that optical coherence tomography (OCT) allows visualization tissues including plate, intervertebral disc and body. This study aims at designing a handheld probe using OCT assessing its potential use in MIS. An was built which satisfies criteria resolution, penetration field view required MIS techniques. Ex images rat tail porcine vertebrae enabled differentiating musculoskeletal spine (growth body). Pending studies on models, evaluated human finger demonstrated ability to image video rate (25 fps) with proper imaging depth resolution. These preliminary results showed dynamic tissues.