A ligating band dispenser has a first sleeve, to store one or more ligating bands, and a second member, which at least partially extends about and is movable relative to the first sleeve. The second sleeve is capable of engaging and moving a distal-most ligating band positioned on the first sleeve from...http://www.google.es/patents/US6136009?utm_source=gb-gplus-sharePatente US6136009 - Ligating band dispenser
