Method of performing an injection using a bi-directional rotational insertion technique
First Claim
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1. A method of injecting a drug into a patient through a needle having a lumen comprising the steps of:
- advancing said needle into the tissue linearly along a longitudinal axis of the needle; and
simultaneously rotating the needle along its longitudinal axis to reduce deflection of the needle.
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Abstract
A drug is administered to a patient through a beveled needle by rotating the needle as it is advanced into tissues. The rotation of the needle insures that the needle is not deflected as it is advanced. In this manner, the amount of pain felt by the patient may be reduced, and the drug is delivered to accurately to the selected site.
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Citations
13 Claims
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1. A method of injecting a drug into a patient through a needle having a lumen comprising the steps of:
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advancing said needle into the tissue linearly along a longitudinal axis of the needle; and
simultaneously rotating the needle along its longitudinal axis to reduce deflection of the needle. - View Dependent Claims (3, 4, 5, 6)
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2. The method of claim I wherein said needle is rotated for an angle of about 180 degrees.
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7. A method of administering drug to a patient comprising the steps of:
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providing a needle associated with a drug supply, said needle having an elongated shaft, a lumen and a beveled tip with an exit point communicating with said lumen so that said drug is forced from said drug supply through said lumen and out of said exit point;
advancing said needle along a longitudinal axis of the needle through the patient tissue until a predetermined site is reached; and
simultaneously rotating said needle about said longitudinal axis during said advancing to prevent said needle from being deflected. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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Specification