Patent ID: 8409184
Filing Date: 2013-04-02
Classification: A61B,A61K,A61M

Abstract:
1. A medical injection device comprising: one or more cryotreatment pellets solidified between about −40° C. and about −196° C. to deliver an ablative dosage of temperature within a target tissue, each of said one or more cryotreatment pellets configured as a uniform treatment packet; an injection assembly having a gas compression mechanism or mechanical plunger to guide placement of said one or more cryotreatment pellets; a cartridge providing storage of said one or more cryotreatment pellets and supplying said injection assembly with said one or more cryotreatment pellets; and an insertion needle having a proximal end and a distal end; wherein said distal end of said insertion needle is adapted to puncture a target tissue and to be positioned within at least one dispensing site of said target tissue to guide placement of said one or more cryotreatment pellets.