Patent ID: 6120490
Filing Date: 2000-09-19
Classification: A61M

Abstract:
A single use piercing pin for piercing the resilient capsule of a perfusion bottle, said piercing pin comprising:a pin body including a main hollow portion and a longitudinal projection extending from said main portion, said projection being provided with a first internal duct and a second internal duct, the main portion of the pin body defining a first longitudinal axis around which said first internal duct of the longitudinal projection is centered, said first internal duct being an extension of an internal duct of the main portion of the pin body;piercing means removable from said pin body for piercing said resilient capsule, said piercing means being provided with an internal passage, the internal passage of said piercing means defining a second longitudinal axis; andfastening means for temporarily fastening said piercing means to said longitudinal projection so that said second internal duct of said projection extends from said internal passage of said piercing means and so that said second internal duct is centered on said second longitudinal axis, said fastening means including means for transmitting a force to the piercing means when a force is applied in a first direction for piercing said resilient capsule so that said piercing means pass through said capsule and penetrate inside said bottle, and means for allowing said piercing means to be disconnected from said longitudinal projection when a force is applied to said bottle in a second direction opposite to said first direction for separating said piercing pin from said bottle, whereby said piercing means remain in said bottle, said second internal duct allowing filtered outside air to pass into the perfusion bottle.