Yes - But likely too small to be of any real use.

[That is his excuse as he tucks the contents back into their housing, prepared to take them back to his quarters for later experimentation. If they were truly meant for repairs, he would need to see them in action. The idea was absolutely intriguing.]

They are incapable of dampening their pain receptors naturally. They can to a small extent through the use of specific chemical compounds...

The majority of their repair methods do seem somewhat... primitive.