Category Archives: NWO – Steerable Needles

NWO MEDPHOT – MRI-ready steerable needles

This research project is part of the MEDPHOT programme and is funded by the Netherlands Organization for Scientific Research NWO. The MEDPHOT programme, carried out bij a consortium of Dutch Universities, university medical centres, and companies, aims to develop new optical biomarkers that are needed to realise earlier diagnosis, improved treatment and better quality of life in the fields of oncology, asthma, and neurodegeneration.

The standard surgical treatment of prostate cancer is radical prostatectomy. However, side effects of radical prostatectomy are incontinence and erectile dysfunction. A local treatment that preserves noncancerous tissue like focal laser ablation reduces these side effects. Focal laser ablation is an optical fibre-based laser ablation treatment that allows for fast percutaneous focal ablation of prostate tumours. Using needles and magnetic resonance imaging (MRI)-guidance, the medical operator can position optical fibres at the target region. However, for ablation to be successful, it is important to have full positioning control over the accuracy and extend of the ablation.

This research aims to develop an MRI in-bore ready steerable needles to position the optical treatment fibre at the target region. A novel actuation system will allow for safe use inside the MRI scanner.  The integration of the steerable needle, the novel actuation system, and a laser ablation fibre will make the needle suitable for use under MRI guidance to enable precise ablation of the prostate tumour.