 yea paeraa aadhaaramga , mm loo  10 F  foley catheter yokka vyasam entha ?
 foley catheter yokka saapeksa parimaanam french unitlu  (F)  upayoginchi vivarinchabadindi .  pratyaamnaayamgaa , 10 F  catheter parimaanam  10 Ch ( chariyar unitlu  - 19 va shataabdapu french shaastreeya parikaraala thayaridaru josep - frederic - benoit charriar peruu pettabadindi )  gaaa vyakteekarinchabadavachchu .  athantha sadarana parimaanaalu  10 F  nundi  28 F. 1 F 0.33 mm = .013" = 1/77"  vyaasaaniki samaanam .  foley catheter ‌ lu saadharanamga beloon in ‌ flation tube yokka baahya chivaraloo ghana rangu Banda ‌ thoo parimaanhamtho rangu kood cheyabadathaai ,  idi parimaanaanni sulabhamgaa gurthinchadaaniki anumatistundi .  gamanika :  pellala rugula choose uddesinchinatlayite french parimaanaalu  5, 6, 8, 10  choose rangulu gananeeyamgaa maaravacchu .  french parimaanam  26  choose rangu kudaa nalupuku badhuluga gulaabie ranguloo vumdavacchu .
https://en.wikipedia.org/wiki/Foley_catheter
 yea paeraa prakaaram , 1 F  catheter yokka vyasam  1/77mm  kabaadi  10 F  catheter yokka vyasam  10/77mm.