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US 6,280,424 B1Granted
Apparatus and method for using a needle in an intravascular assembly
AssigneeEthicon, Inc.
InventorsJoseph J. Chang, Donald D. Solomon, Daniel M. Vincenzo
Life of this patent
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Abstract
An apparatus and method is disclosed in which an intravascular device allows blood to flow into a plurality of apertures longitudinally located in a portion of the needle.
Claims11
A catheter unit comprising:
- a housing;
- a needle coupled to the housing, the needle having a plurality of apertures located longitudinally along a cannula of the needle;
- and
- wherein the apertures are radially biased in an approximate range of 30 to 50 degrees.
1 more element
A catheter comprising:
- a housing;
- and
- a needle coupled to the housing, the needle having a plurality of holes longitudinally placed in a cannula of the needle;
- wherein the plurality of holes are radially biased in a range of about 30 to 50 degrees.
1 more element
A catheter device comprising:
- a housing which transitions into a tube;
- a needle secured to the housing, the needle having a plurality of apertures located longitudinally along a cannula of the needle;
- and
- the apertures are radially biased about 30 to 50 degrees.
1 more element
Dependencies are inferred from the claim text.