Team 4

Patient Positioning Guide for Neuroendovascular Surgery

Team Members:

Ian Salgado

Kiera Fleck

Brian Aguilar

Kassidy Wallace

Aditya Lankalapalli

Team Mentors:

Dr. Todd Abruzzo - Phoenix Children’s Hospital

Dr. Rosalind Sadleir - Arizona State University

YouTube Link:
View the video link below before joining the zoom meeting

Zoom Link:
https://asu.zoom.us/j/9020931718

Abstract

Surgeons and additional healthcare staff require ample viewing of the neurovascular tract in order to complete the surgical procedure. Patients that undergo repositioning due to an obstruction of vasculature view during the procedure are often exposed to longer surgical times and harm from prolonged radiation. The current system that involves a c-arm with x-rays from the lateral and frontal angles does not efficiently identify the optimal position for patients. Our user needs consist of little positioning time, no tilt or rotation of the head, high accuracy, easy assembly and for the shoulders to be squared away on the angiography table. These were used to identify the target specifications that the prototype will rely upon. Notable target specifications that we will be aiming for include a minimum of 30 minute positioning time and a zero degree tilt/rotation of the head. These specifications will be utilized for equipment purchasing (sensors, fiducial markers, lasers, etc.). An initial look into our competitors allowed for preliminary concept generation. The dominant product concept includes a clamp with the laser easily removed/assembled onto the c-arm that will be able to line up with the fiducial markers on the patients face. A mask that could conform to the patient's facial structure is also being explored as a possible method to line the sensors and lasers. Testing into how to appropriately calibrate the sensor-laser system will be performed to ensure there is high accuracy in patient positioning. Verification and validation of the target specifications of the system will be finalized after witnessing the operating table, the surgery, and the c-arm. These final factors will ensure we can adequately meet our user needs during prototype fabrication.