You can’t patent an idea.
You can’t patent an invention that already exists.
One potential area you could look into is if you have created something about the overall appearance and design of the product. If that is a brand new concept then your item may be eligible for a design patent.
Your best solution is to consult a patent attorney. They will be able to help you identify if your product is patent-worthy.
can put you in touch with a seasoned patent attorney. We offer low, flat rates and direct communication. Our concept is to make legal services easier and more affordable. Get in touch for a consultation if we seem like a good fit.