![He also invented the Franklin stove,
bifocals and the flexible urinary catheter.
He also invented the Franklin stove,
bifocals and the flexible urinary catheter.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
He also invented the Franklin stove,
bifocals and the flexible URINARY catheter.
The Big Bang Theory Season 3, Episode 6
![In the good way,
not the urinary tract infection way.
In the good way,
not the urinary tract infection way.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
In the good way,
not the URINARY tract infection way.
The Big Bang Theory Season 6, Episode 2
![...the doctor to the stars' urinary tracts.
...the doctor to the stars' urinary tracts.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...the doctor to the stars' URINARY tracts.
The Big Bang Theory Season 8, Episode 7
![As long as it's not
a urinary tract infection,
As long as it's not
a urinary tract infection,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
As long as it's not
a URINARY tract infection,
The Big Bang Theory Season 10, Episode 15