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SYRINGE NEEDLE CATCHING DEVICE AND SAFETY SYRINGE WITH THIS DEVICE
专利权人:
KAVALIREK; Jan
发明人:
KAVALIREK, Jan
申请号:
IBIB2012/001583
公开号:
WO2013/008094A2
申请日:
2012.06.07
申请国别(地区):
WO
年份:
2013
代理人:
摘要:
The invention deals with a catching device of the needle (4) for a safety syringe containing a tube (1 ) and in the tube (1 ) containing an inserted connection foot (41 ) of the needle (4) or an inserted hub (3) adapted for fitting of the connection foot (41 ) of the needle (4) where in the connection foot (41 ) of the needle (4) or in the hub (3) a cylindrical cavity (32) with a conical inclination (31 ) is created and the tube (1 ) further contains an inserted plunger (2) fitted on the front face with a conical adapter (21 ) with a forward-running cylindrical projection (212), and where at the same time in the foot (41 ) of the needle (4) or in the hub (3) adapted for fitting of the connection foot (41 ) of the needle (4) a transversal slot is created (33) in which a plate is inserted and where the principle of the catching device consists in the fact that the inserted plate is designed as a catching plate (34) that has a circular opening (341 ) in its centre where the perimeter edge of this circular opening (341 ) is adapted to increased elasticity in the radial direction by creating of an inner blade (3410) in the form of a conical skirt, getting narrower in the direction outwards from the syringe tube (1 ). Another object of the invention is a safety syringe containing the above mentioned needle catching device where the principle of this syringe consists in the fact that on the inner side of the syringe tube (1 ) an inner perimeter projection (12) is created before the front edge of the plunger (2) while this place corresponds to such a position of the plunger (2) in the cavity of the syringe tube (1 ) where the perimeter edge (2101 ) of the base (210) of the conical adapter (21 ) of the plunger (2) is found before the catching plate (34) and at the same time the front end of the cylindrical projection (212) of this conical adapter (21 ) is found behind the catching plate (34).Linvention porte sur un dispositif de capture daiguille (4) dune seringue de sécurit
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