发明名称 SURGICAL NEEDLE
摘要 The disclosure provides examples of a surgical needle for entering a joint space, such as the hip joint, through tissue.
申请公布号 US2016022311(A1) 申请公布日期 2016.01.28
申请号 US201414776940 申请日期 2014.03.14
申请人 SMITH & NEPHEW, INC. 发明人 Torrie Paul Alexander
分类号 A61B17/34;A61M25/06 主分类号 A61B17/34
代理机构 代理人
主权项 1. A surgical needle for entering a joint space through tissue, the surgical needle comprising: a hollow body with a bevel, a periphery of the bevel defining an open area at the bevel; and a stylet movable within the hollow body between an extended position and retracted position, the stylet comprising an elongated body having a distal region and a proximal region, the elongated body comprising a non-deformable first material;a tip formed with the elongated body, the tip extending from the distal region of the elongated body and terminating at a distal terminus; anda taper extending between the distal terminus and a point proximal to the distal terminus, at least a portion of the taper fills in the open area at the bevel when the stylet is in the retracted position,wherein the tip comprises a first portion extending a longitudinal length, distally, from the distal region of the elongated body and terminating at a distal facing surface, andwherein the tip comprises a second portion extending between the distal facing surface and the distal terminus, the second portion comprising a deformable second material.
地址 Menphis TN US