Blood collection needle assembly
AssigneeCovidien LP
InventorGregory Alan Steube
Life of this patent
Estimating the term…
Abstract
Disclosed is a needle assembly for viewing flashback during a blood collection procedure. The needle assembly including a housing having a base portion defining a cavity and an extension extending distally from the base portion, the extension being of a transparent material and defining a lumen therethrough, a first cannula supported within the extension and extending distally from the extension, the first cannula having a piercing tip configured to enter a vessel, and a second cannula supported within the cavity of the base portion, wherein the second cannula is fluidly communicated with the first cannula via the lumen formed in the extension.
Claims17
A needle assembly comprising:
- a housing including a base portion defining a cavity and an extension extending distally from the base portion, the extension including a transparent material and defining a lumen therethrough;
- and
- a first cannula supported within the extension and extending distally from the extension, the first cannula having a piercing tip configured to pierce skin and enter a vessel,
- wherein a distal end of the extension is configured for insertion into the vessel such that flashback entering the first cannula prior to venting the needle assembly can be visualized in the lumen of the extension immediately adjacent the skin.
A needle assembly for permitting viewing of flashback, the needle assembly comprising:
- an elongated body having proximal and distal ends and defining a first lumen therethrough, the body including a transparent material;
- and
- a first cannula operably supported on the distal end of the elongated body and defining a second lumen in fluid communication with the first lumen, the first cannula having a piercing tip configured to pierce skin and enter a vein,
- wherein the first cannula has a short preselected length and the distal end of the body is configured for insertion into the vein such that upon insertion into the vein, flashback can be visualized in the elongated body immediately adjacent the skin.
A needle assembly comprising:
- a housing including a base portion defining a cavity and an extension extending distally from the base portion, the extension including a transparent material and defining a lumen therethrough, the extension having a piercing tip configured to pierce skin and enter a vessel,
- wherein a distal end of the extension is configured for insertion into the vessel such that flashback entering the extension prior to venting the needle assembly can be visualized in the lumen of the extension immediately adjacent the skin.
Dependencies are inferred from the claim text.