Medical devices and apparatus for treatment or reduction of tissue and medical device accessories for use in medical procedures, namely, pelvic procedures, brain and spinal procedures, neurological procedures, abdominal procedures, esophageal and thyroid procedures, genitourinary procedures, digestive system procedures, otolaryngology procedures, dermatology procedures, endocrine system procedures, endoscopic procedures, laparoscopic procedures, orthopedic procedures, drug delivery and pharma...