SIMPL. The first silicone implant.
To prevent teat canal stenosis.
 
References
 
QUERENGÄSSER, J., T. GEISHAUSER, K. QUERENGÄSSER,
R. BRUCKMAIER & K. FEHLINGS (2002): Comparative
evaluation of SIMPL® silicone implants and NIT® natural teat
inserts to keep the teat canal patent after surgery. J. Dairy Sci.
85, 1732-1737.