There is a great deal of strategy that goes into selecting which words and phrases to use in describing and “teaching” the invention. In some circumstances it is advantageous to use very broad language, while other times it is critical to be very specific and narrow in scope.
For example, if the claims are written too narrowly it may be easy to “design around” the patent, affording the inventor little “protection”. If the claims are written too broadly however, they may not be allowed, or may be invalidated if challenged. These are some of the reasons why it is usually advisable to seek assistance from those knowledgeable in intellectual property law when applying for a patent as written on https://www.valuewalk.com/2020/05/medical-invention-covid-19/.