ERBE Elektromedizin GmbH Tubingen 1 article published in JoVE Bioengineering Injection of Porcine Adipose Tissue-Derived Stroma Cells via Waterjet Technology Jasmin Knoll*1, Marina Danalache*2, Walter Linzenbold3, Markus Enderle3, Tanja Abruzzese1, Arnulf Stenzl1, Wilhelm K. Aicher1 1Department of Urology, University Hospital Tübingen, 2Department of Orthopaedic Surgery, University Hospital Tübingen, 3ERBE Elektromedizin GmbH Tübingen We present a method of cell injection via needle free waterjet technology coupled with a sequela of post-delivery investigations in terms of cellular viability, proliferation, and elasticity measurements.