Cold therapy wraps; Holders specially adapted for orthodontic retainers; Hot or cold therapy wraps; Hot therapy wraps; Massage apparatus for massaging necks and backs, feet; Medical apparatus for monitoring vital signs of patients; Medical apparatus, namely, respiratory equipment and monitors therefor; Medical device for correcting vertebral alignment; Medical devices for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events, and downloadable software for recording, processing and transmitting medical data, for use therewith, sold as a unit; Medical instruments and devices, namely, external fixators; Orthopedic braces; Posture correction device, namely, an adjustable harness to correct one's posture for medical purposes; Surgical smoke evacuation devices for capturing and filtering smoke during electrosurgical procedures; Therapeutic cold therapy packs; Therapeutic hot and cold therapy packs