Medical Laser and Structural Parts Thereof; Equipment for Use with Laser Apparatus for Medical Purposes-Namely, Smoke Absorbers for Absorbing Smoke Generated During Laser Surgery, Attachments for Mounting Surgical Microscopes on Laser Apparatus, Handpiece Probes Removably Attached to the Front End of the Optical Path of Laser Apparatus, Endoscopes

Yarn; namely, yarn having wavelength-tunable material forming scannable optical codes