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Hello, I'm Dr. Deb and will do my best to help you today.
I'm sorry for this concern for your cat but this sort of thing does tend to happen a lot. Fortunately, stomach acid can help soften the chicken bone/splinters and in most cases, if not a huge amount was eaten, then they will pass through the stomach and intestines with no problem. They might cause irritation as they are passing through which might result in looser stools for a day or so but this usually quickly resolves.
We don't recommend trying to induce vomiting since the bones could cause damage to the esophagus or become lodged there which could potentially worsen the situation.
I would feed her canned or semi-moist food if you have it which could help coat the bones and perhaps help increase transit time if you feed her more than you normally would.
More than likely, she'll be just fine but if she should start vomiting and/or becomes lethargic and/or doesn't want to eat, then a vet visit would be prudent.I hope this helps to reassure you about her. Deb