Research Projects

Medizintechnik & Bildverarbeitung

  • OPhonLas: OCT-geregelte Laserablation bei Stimmlippen-Phonation
    This EFRE-funded project aims to develop a rigid, anatomically shaped laryngoscope equipped with a controllable ablation laser for laryngeal surgery. In addition to the application on resting vocal folds, a laser cut is also to be carried out during a phonation - i.e. on oscillating vocal folds. This enables the treatment of certain pathologies and makes the functional success of the therapy directly visible. The high demands on the real-time control of the laser require the fusion of stereo image data and optical coherence tomographies.
    Team: Sontje Ihler, M. Sc., Max-Heinrich Laves, M. Sc.
    Year: 2017
    Sponsors: EFRE (Europäischer Fonds für regionale Entwicklung)
    Lifespan: 3 Jahre
  • Hand-Held Projection and Measurement System for Surgical Interventions
    In Augmented reality, image overlay projection is a technique that would help the surgeons to view the underlying anatomical structures directly on the surface of the skin or organ of the patient. Within the scope of the Tailored Light Scholarship Program , a novel hand-held projector system would be developed that would allow the images of 3-D patient-specific models to be projected directly onto the surface of the organ intraoperatively without the need of intrusive hardware around the surgical scene. This would circumvent the problems of sight diversion and view reorientation from the patient, to the monitors with patient information like CT, MRI and would help the surgeons in performing the surgeries without any strain.
    Team: M. Sc. Dipl.-Ing. Shivaraman Ilango
    Year: 2016
    Sponsors: Lower Saxony Ministry for Science and Culture
  • Evaluation of the laryngeal adduction reflex via laryngoscopic microdroplet application and image processing
    In this interdisciplinary project, a novel endoscopic system for the examination of the laryngeal adduction reflex (LAR) is being developed and tested in cooperation with the Department of Phoniatry and Pedaudiology (director: Prof. Dr. med. Dr. med. h.c. Martin Ptok) at Hanover Medical School (MHH). The LAR is triggered by the application of an accelerated droplet. A high-speed camera system is used to assess the reflex response. The integration of image processing algorithms increases the degree of automation and objectivity of the diagnostic procedure.
    Team: Jacob F. Fast, M.Sc.
    Year: 2016
    Sponsors: DFG
  • Endoscopy of trabecular bone for intraoperative registration
    The project iBoneRegistration explores endoscopy of trabecular bone structures (cancellous bone) for intraoperative registration in navigated bone surgery. Trabecular bone is optimally suited as features for establishing the spatial transformation between preoperative image data and the intraoperative situation.
    Team: Dipl.-Ing. Jan Bergmeier
    Year: 2014
    Sponsors: DFG
  • RoboJiG
    Preclinical realization of a integrated, minimal-invasive cochlea implant system based on patient specific jigs
    Team: M. Sc. Samuel Müller
    Year: 2014
    Sponsors: BMBF
  • Robot-Assisted Surgery
    The topic of this project is the development of methods for minimally invasive surgical interventions at the lateral skull base. The goal is to increase the accuracy and safety of such interventions incorporating mechatronic assistance. The project is carried out in close cooperation with surgeons from the department of otolaryngology of the Hannover Medical School. As target application, a minimally invasive opening of the inner ear during cochlear implantation is considered. Cochlear implantation is the only efficient treatment of patients with severe to profound sensorineural hearing loss or deafness. During the intervention, an electrode array is implanted into the windings of the inner ear (cochlea) and electrically stimulates the auditory nerve. This results in a hearing impression for the patient and allows them to understand spoken language or listen to music. The surgical intervention is characterised by a high degree of complexity and required accuracy. In order to achieve the desired accuracy and improve the surgeon’s physical precision, intraoperative navigation and robotic assistance are combined in this project.
    Team: M. Sc. Sebastian Tauscher
    Year: 2011
  • Development of instruments for laparoscopic single-site surgery
    In laparoscopic surgery, the abdominal cavity of the patient is opened through a small incision. In the created access a laparoscope is inserted to illuminate and optically detect the internal organs and indicate it to the surgeon by an appropriate visual representation. In single-site surgery beside the laparoscope at least two other instruments for tissue manipulation are inserted through the same opening into the abdominal cavity. Where such access is located in the navel, the scar is barely visible later. However, besides the resulting good cosmetic result, the single-port laparoscopy has the advantages of a low blood loss and a short recovery time. To expand the applications for this new surgical technique medical systems are needed. This should in particular have a high mobility of the end-effector in a large collision-free workspace.
    Team: Dipl.-Ing. Jan-Hinnerk Borchard
    Year: 2011