Thanks Amail!
Got an email from my vet with more details about what was done:
Her patella was dislocated to the inside of her leg and was imbedded in scar tissue. Although it took about an hour and fifteen minutes to correct, we feel that the procedure
went very well. Her patella luxation was corrected with 3 procedures:
1) A medial patella release
2) A trochlear groove resection
3) A tibial crest transposition
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In layman's terms I think this means they re-grooved the top of the femur where the kneecap sits. This also involved a reset (with pins) of the "tibial crest' which holds the kneecap in place.
All 3 girls are asleep right now...BB laying on the floor next to my chair...WP's chasing something in her dream as her front feet keep moving lol...and Matilda (the bird) is on one leg - eyes shut tight.
Not a creature is stirring.....not even a mouse....