Related Experiment Video
Updated: May 19, 2026
Anterior Cruciate Ligament Transection and Synovial Fluid Lavage in a Rodent Model to Study Joint Inflammation and Posttraumatic Osteoarthritis
Published on: September 2, 2025
[In-vitro study on dissection of inflamed synovial tissue by hydro-jet cutting]
K-H Wagner1, I H Tarner, U Lange
1Universitätshautklinik, UKGM Gießen, Gießen, Deutschland.
Abstract:
Surgical synovectomy is a useful therapeutic option for rheumatoid arthritis patients with ongoing active synovitis despite optimal medical therapy. The present experimental study evaluated the novel, minimally invasive surgical technique of hydro-jet cutting in vitro using synovial biopsies. Depending on the selected water pressure (30-100 bar) it is possible to achieve precise and selective dissection of the synovial membrane. It was found that application of a water jet at 60 bar for 15 s is ideal for dissecting the stratum synoviale from the stratum fibrosum without any alteration of the joint capsule. This finding was confirmed by histological analyses. This novel and precise dissection technique promises to be an excellent alternative to the established techniques of synovectomy in the near future.
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