Patent ID: 8672894
Filing Date: 2014-03-18
Classification: A61M

Abstract:
1. A protection device for a needle of a needle assembly having a hub portion defined at a distal end of the needle assembly and the needle provided at the hub portion, the protection device comprising: an outer casing formed of a first material; an inner casing formed of a second material different from said first material, the inner casing having an inner wall defining a cavity for receiving in a sealing way at least part of the hub portion; attachment means defined on the inner wall of the inner casing to removably engage and secure said protection device to the needle assembly along at least one sealing line; and aspiration limiting means designed for limiting the deformation of said cavity when said protection device is separated from said needle assembly, wherein said attachment means comprises at least a first retainer comprising a first bulge extending radially outward from said inner wall into said cavity, and a second retainer comprising a second bulge extending radially outward from said inner wall into said cavity, said first retainer and said second retainer being designed to, resiliently and releasably, engage a part of said needle assembly to secure said protection device thereto, said first bulge and said second bulge having at least their shape or one of their dimensions different from the other, and at least one of the first and second retainers being intended to define, with said hub portion, said sealing line.