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. |