Surgical needle
First Claim
Patent Images
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 a retracted position, the stylet comprisingan elongated body having a closed 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, the distal terminus being axially aligned with the elongated body and defining a distal-most end of the stylet; and
a taper extending between the distal terminus and a point proximal to the distal terminus, at least a portion of the taper filling 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 of the tip comprising a deformable second material.
2 Assignments
0 Petitions
Accused Products
Abstract
The disclosure provides examples of a surgical needle for entering a joint space, such as the hip joint, through tissue.
-
Citations
17 Claims
-
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 a retracted position, the stylet comprising an elongated body having a closed 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, the distal terminus being axially aligned with the elongated body and defining a distal-most end of the stylet; and a taper extending between the distal terminus and a point proximal to the distal terminus, at least a portion of the taper filling 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, and wherein the tip comprises a second portion extending between the distal facing surface and the distal terminus, the second portion of the tip comprising a deformable second material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
Specification