Safety Shield for a Needle Assembly
OwnerMichael J. Vaillancourtinventor
Life of this patent
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Abstract
The safety shield is comprised a one piece body, e.g. of biocompatible plastic, having a hollow stem 11 and a disc-shaped collar 13 extending radially outwardly from one end of the hollow stem 11. The safety shield is mounted by the user in friction fit manner in a hub of an implanted needle and serves as a guide for the insertion of a biopsy needle into the implanted needle.
Claims20
A safety shield comprising a one piece body having a hollow stem disposed on a longitudinal axis and having a passage extending therethrough and a disc-shaped collar extending radially outwardly from one end of said hollow stem and circumferentially about said passage.
In combination,
- a needle assembly including a hub having a longitudinal passage therein and a hollow needle extending longitudinally from said hub in communication with said passage;
- and
- a safety shield having a hollow stem disposed in said passage of said hub and a disc-shaped collar extending radially outwardly from one end of said hollow stem.
In combination
- a needle assembly including a hub having a longitudinal passage therein and a hollow needle extending longitudinally from said hub in communication with said passage;
- a safety shield having a hollow stem disposed in said passage of said hub and a disc-shaped collar extending radially outwardly from one end of said hollow stem;
- and
- a biopsy needle assembly including a longitudinally extending biopsy needle disposed concentrically in said hollow needle of said needle assembly and passing through said hollow stem of said safety shield.
An assemblage comprising
- a needle assembly including a first hub having a longitudinal passage therein, a hollow needle extending longitudinally from said hub in communication with said passage, a trocar stylet including a second hub and a stylet extending from said second hub through said hollow needle;
- a safety shield having a hollow stem for mounting in said passage of said first hub after withdrawal of said stylet therefrom and a disc-shaped collar extending radially outwardly from one end of said hollow stem;
- and
- a biopsy needle assembly including a longitudinally extending biopsy needle for disposition concentrically in said hollow needle of said needle.
Dependencies are inferred from the claim text.