Needle tip guard for percutaneous entry needles
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Accused Products
Abstract
A needle tip protective device for use with percutaneous entry needles. In one embodiment, the needle tip protective device includes a needle guard slidably mounted on a hypodermic needle, the latter having a needle tip located at the distal end thereof, and a change of profile formed medially there along. The needle guard is movable along the hypodermic needle and engageable with the change in profile formed thereon. The engagement with the change in profile is configured to correspond with the ability of the needle trap to entrap the needle tip once the needle trap has advanced the sufficient distance distally along the hypodermic needle. In further refinements, the needle trap may be biased toward the distal needle tip of the needle.
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Citations
22 Claims
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1-13. -13. (canceled)
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14. A method of inserting a needle within a patient comprising the steps:
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a) providing a needle protective device, the needle protective device comprising;
i) a needle defining proximal and distal ends;
ii) a needle guard mounted about the needle and traversable between the proximal and distal ends of the needle, the needle guard being biased to the distal end of the needle, the needle guard having at least one protrusion; and
iii) a housing fixed to a proximal end of the needle and sized and configured to receive the needle guard, the housing having at least one aperture sized and configured to receive the needle guard protrusion when the needle guard is at the proximal end of the needle;
b) inserting said distal end of said needle provided in step a) within said patient; and
c) manually manipulating said housing such that the needle guard received therein is urged therefrom and biased to the distal end of the needle. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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Specification