Patent ID: 8622960
Filing Date: 2014-01-07
Classification: A61M

Abstract:
1. A needlestick prevention device for an injection device having a hollow needle comprises a sheath for attachment to said injection device, said sheath having first, second and third parts, and being so constructed and arranged that in a first, inoperative position said sheath sealingly encloses said needle, in a second, operative position said first part of the sheath is removed, said second part remains attached to said injection device, and said third part is pivoted about a hinge to expose said needle, and in a third, cover position said third part is pivoted about said hinge to cover at least the tip of said needle and is retained by said second part, wherein said second and third parts are connected by said hinge and a retaining portion, said retaining portion being engaged in said inoperative position and said cover position, said retaining portion comprises at least one peg on one of said second or third parts engaging in a complementary slot on the other of said second or third parts, wherein each peg has first and second detents, said first detent engaging in a recess in a respective said slot in said inoperative position, and said second detent engaging in said same recess in said respective slot in said cover position.