medical instrumentation companies. These appliances are used for accessing or viewing body tissues, and then modifying it. The more sophisticated modern instruments cause minimum tissue damage during surgery, thus being known as minimally invasive instruments. A high degree of precision is necessary for such appliances. They can be variously named, depending on the function they perform, or the inventor of the appliance, and sometimes based on the specialized surgery the instrument is used in. Reliability, cost-effectiveness and high quality are the standards for good surgical appliances. There are a number of classes of the instruments used, such as graspers, clamps, retractors, distractors, cutters, dilators, suction tubes, needles, scopes, and many more, depending also on the level of complexity of the surgery itself. The kind of instruments needed can also vary based on the specialized branch of medicine it falls under, such as Cardiovascular, Gynecological, Micro-Surgical, Neurosurgical, No Scalpel Vasectomy, Plastic Surgery, E.N.T or Dermal Surgical Instruments, Fiber Optic Laryngoscopes, Diagnostic Sets, Otto scope, Ophthalmoscope Sets, Laparoscopy, Arthroscopy, Thoracoscopy and MIS Instruments. There are also general instruments such as needles, scalpels, forceps, cutters, etc. Sometimes, you can also send designs to the manufacturing unit to get uniquely designed appliances.