In the article are some good pix but a video shows exactly how the endoscope device inserts the Dart . The Dart is deposited inside a tumor, numerous times.
https://www.thieme-connect.de/products/ejourn...-2971-5104
A few weeks ago from this article , posted about Alpha Dart being used in pancreatic cancer. Several pictures showed the insertion of the Dart and the prep before the procedure.https://jghnews.ciussswestcentral.ca/promisin...t-the-jgh/
Same equipment