Fig. 4: Experimental setup for validation of wireless intrarenal pressure sensing.
From: Ureteral stent sleeve for early detection of hydronephrosis

a X-ray image of the UroSleeve integrated into the 6-Fr double-J ureteral stent, and a catheter inserted into the ureter and dwelling in the renal pelvis. b X-ray image of the external reader antenna aligned to the UroSleeve. c Ex vivo measurement setup, showing d a top-view zoom-in onto the kidney with the embedded UroSleeve and the external reader antenna, and e the measurement and control architecture