Safety syringe
First Claim
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1. A needle assembly comprising:
- a housing;
a needle attached to said housing, said needle having a needle point;
wherein on application of a force, said needle point is retracted into said housing; and
wherein after retraction, said needle point comes to rest inside said housing.
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Abstract
Preferred embodiments of the present invention provide a needle assembly for use with a syringe having a needle that is protected by the needle assembly after use. In one embodiment, the needle is retracted into the needle assembly. In an alternative embodiment, the needle assembly is biased to protect the needle after use. Among other disclosed embodiments is a retractable needle.
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Citations
49 Claims
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1. A needle assembly comprising:
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a housing;
a needle attached to said housing, said needle having a needle point;
wherein on application of a force, said needle point is retracted into said housing; and
wherein after retraction, said needle point comes to rest inside said housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A syringe device comprising:
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a syringe;
a needle assembly attached to said syringe, said needle assembly comprising;
a housing;
a needle attached to said housing, said needle having a needle point;
wherein on application of a force, said needle point is retracted into said housing; and
wherein after retraction, said needle point comes to rest inside said housing. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39)
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40. A method for preventing needle strike, said method comprising the steps of:
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attaching a needle assembly having a needle having a needle point to a syringe to form a syringe device;
performing an operation with said syringe device;
applying a force to said syringe device to retract said needle point into said needle assembly, said needle point coming to a rest inside said needle assembly. - View Dependent Claims (41, 42, 43, 44, 45)
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- 46. A needle having a first end, a second end, and a lumen extending therethrough, said second end of said needle comprising a needle point and said first end of said needle comprising a stop.
Specification