Kindly reference the following link(s):
Tayammum and Wudu for a person who sustained injuries | Sheikh Assim Al Hakeem
Tayammum for body parts that cannot be washed during wudu | Sheikh Assim Al Hakeem
How to perform tayammum at home where there is no soil or dust?
Reference for combining Wudu & Tayammum for organs that we cann not wash or wipe