NERVE BLOCK NEEDLE AND RELATED METHODS
First Claim
Patent Images
1. A surgical instrument comprising:
- an elongated at least partially hollow shaft comprising a sharp needle at least partially occluded, closed tip end;
a connector end; and
, at least one side port located coaxially along the shaft and not adjacent to a shoulder of said tip end.
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Abstract
A novel sharp needle with an at least partially occluded, closed distal and at least one side port and related methods is disclosed. Various embodiments of needles of the present invention provide for at least one benefit of enhanced injection characteristics, increased operational efficiency, reduced cost per unit, reduced incidence of injury through intraneural/intravascular injection, reduced incidence of injury through pricking/piercing, and/or the like.
95 Citations
18 Claims
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1. A surgical instrument comprising:
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an elongated at least partially hollow shaft comprising a sharp needle at least partially occluded, closed tip end;
a connector end; and
,at least one side port located coaxially along the shaft and not adjacent to a shoulder of said tip end. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10)
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2. The surgical instrument of clam 1, wherein the connector end further comprises at least one wing.
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11. A surgical instrument comprising:
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an elongated at least partially hollow shaft comprising a sharp, occluded needle means for insertion into a patient wherein the sharp occluded needle means realizes at least one benefit of enhanced injection characteristics, increased operational efficiency, reduced cost per unit, reduced incidence of injury through intraneural/intravascular injection, reduced incidence of injury through pricking/piercing;
a connector end connected through a connection to an instrument; and
,at least one side port located coaxially along the shaft and not adjacent to a shoulder of said tip end. - View Dependent Claims (12, 13)
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14. A method for administering a medicament to a patient comprising the steps of:
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locating a site for injection;
inserting at least a portion of a surgical instrument into the site, the surgical instrument comprising an elongated at least partially occluded hollow shaft having a sharp needle at least partially occluded, closed distal end;
a connector end; and
, at least one side port located coaxially along the shaft and not adjacent to a shoulder of said tip end;
and, injecting the medicament into the patient. - View Dependent Claims (15, 16, 17, 18)
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Specification