Workflow Features Benefits
ROBIO® EZ– The Robotic targeting for CT guided interventions
ROBIO® EZ is a robotic, mobile stand-alone system with 5 DOF that allows accurate placement of needle for doing procedures in a Computed Tomography environment.
It is an offline system, for precise positioning of needle inside the human body for minimally invasive procedures based on image data obtained from a CT scanner in DICOM 3.0 format. The system is easy to install and can be quickly configured with CT scanners for doing needle guided procedures.
The main components of the system includes - Robotic arm with 5 axis movement and includes a sterile end – effector operated by a turn knob.
Current Challenges
Currently difficult procedures like biopsy, FNAC, RFA, implanting fiducial markers, dye insertion, etc. are performed under the guidance of an imaging modality like Ultrasound or CT scanners; as a result the technicians face the following problems:
The nature of organs like Lungs, Bones and a few structures in Abdomen prohibit the use of Ultrasound for guided procedures. In such scenarios CT scanners are the only options to guide positioning of the needle, which results in a trial and error situation.
More Radiation
To determine the accurate positioning of the needle CT Fluoroscopy is used.
  Over exposure to ionizing radiation emitted from Fluoroscope, to the patient & the technician, result in elevating a person’s lifetime risk of developing cancer.
  Ionizing radiation has enough energy to potentially cause damage to DNA. X-rays are a type of ionizing radiation. FDA has already issued warnings in using Fluoroscopy for guided procedures due to the risks with increased exposure
  On the clinical front - continuous CT fluoroscopy procedures load the CT tubes heavily and impact the life CT tube and equipment; thereby increasing the costs of maintenance and faster run down of the equipment.
More Patient Punctures
Currently Most of the CT guided procedures are done using free hand technique and have the following constraints:
  Since the procedure is done using free hand the margin for human error is considerably high
  Complicated cases where there are remote lesions, lesions located in a small cavity, limited approach or angulated approach and / or lesions adjoining blood vessels or other Critical organs – require multiple insertions to determine and reach the exact location of the lesion resulting in patient discomfort.
Time Consuming
Currently Most of the CT guided procedures are done using free hand technique as a result:
  Multiple CT scans are required to determine the exact location of the lesion
  A trial and error approach is employed where in repeated and multiple insertions are done to determine the location and reach the lesion – causing patient discomfort and a time consuming process
Small Lesions - An impossible procedure
By experience and skill acquired over a long period clinicians / radiologists are comfortable with large lesions. If the Lesion size is smaller, for e.g., 3mm or less, it becomes extremely risky to try freehand technique and only a very few clinicians would attempt to do that.
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