Patent ID: 6554803
Filing Date: 2003-04-29
Classification: A61C,A61M

Abstract:
A syringe and nozzle tip assembly for aspirating blood, comprising:a) a syringe having a syringe barrel which has a front end and a rear end, said syringe barrel being made of either glass or plastic transparent material; b) a piston slidably reciprocally movably mounted in said syringe barrel; c) a plunger being connected at its front end to said piston and axially extending rearwardly from said syringe barrel through said rear end thereof; and d) a nozzle tip having a flange and a sleeve portion which is coaxially mounted on the front end of said syringe barrel by means of a friction fit; said nozzle tip having a curved neck portion with a passage extending there through for aspirating marrow blood from a surgical site and transporting it into said syringe barrel, wherein said nozzle tip flange comprises a surface adapted to seat against the end of syringe barrel when mounted thereon with a recess disposed therein, and a filter mounted in said recess of said flange for preventing the discharge of granular bone regeneration material disposed in said syringe barrel during the step of aspirating the marrow blood.