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Crushed finger, i cut off the nail, i see bone, will it heal

I crushed my finger 3 weeks ago,i went for x-ray\'s and everything is fine no broken bone,the doctor just gave me ibrufen for the pain,about 2 days ago i decided to cut out my nail using a razor blade,the pain had disapeard in the first week,i cut of my nail because there was a lot of blood below it and i knew it was dry,i carefully cut it out at the edges and indeed i did find dry blood,it was so dry that i had to scrape it of and dip my finger(fore finger is the injured one) in hot water,now the bed is exposed and clean of blood,i also had somewhat a bump on that fineger near the nail and when i was removing the nail i pricked the flesh where the nail develops from, and *black blood* came shooting out of there,this was the cause of the bump it had black blood in it,after washing my had and everything i noticed that the area were the black blood came from is now empty,no fatty stuff what so ever,i think i can see the bone too,and the upper flesh,the one wich had a bump and was filled with black blood..........................will the hoolow space fill itself up again with fatty stufff and meaty stuff?
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replied March 4th, 2012
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Ohhhh, you should probably have left the nail plate in place. You may have now damaged the sterile matrix, also known as the nail bed.

The "black blood" under the nail plate was just old, coagulated blood from the injury. You had developed a hematoma from the injury, in the nail bed. Left alone, the body would have resorbed that over time. If would have gotten rid of it for you. It was the same as a bruise under the skin, the blood coagulates (causing the purple color), but the body final gets rid of it.

The sterile matrix, or nail bed, is a soft tissue, a connective tissue that holds the nail plate to the bone underneath. It is very vascular (lot of blood vessels) and also has a lot of nerve fibers in it. That is why it hurts when you mash your finger. Those nerve fibers also make the finger very sensitive, so that you can pick up a dime or very small pin. You can actually feel with your fingernail.

Hopefully, you have not permanently damaged the nail bed. If you have, your nail plate may not adhere to the bone underneath. The nail bed acts like glue. If it is damaged, it can cause a floating nail, which can be a really big problem, because patients tend to catch it on everything and rip it off all of the time.

Do not pick at the nail bed anymore. Try to keep it covered so it is not damaged any further. You may need to get a finger tip splint, to protect it from injury. Just let the new nail plate grow back in.

That will take up to 120 days for the plate to grow all the way back out to the tip. When the new nail grows in, it may have a ridge in it, but that will go away as the nail continues to grow.

If you notice that the nail plate is not sticking to the nail bed, you need to see a hand surgeon for an evaluation.

Good luck.
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