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US Patent 7303547 Interchangeable needle safety syringe

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Contents

Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7303547
Patent Inventor Names
G. Samuel Brockway0
Charles A. Vaughn, Sr.0
Thomas R. Ellis0
William B. S. Pressly, Sr.0
Date of Patent
December 4, 2007
Patent Application Number
11374858
Date Filed
March 14, 2006
Patent Citations Received
‌
US Patent 12017020 Guidewire advancement and blood flashback systems for a medical device insertion system
0
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US Patent 11759618 Blood control for a catheter insertion device
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US Patent 11883615 Midline catheter placement device
0
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US Patent 11925779 Catheter insertion device including top-mounted advancement components
0
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US Patent 11925778 Intravenous catheter insertion device
0
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US Patent 11931534 Medical component insertion device including a retractable needle
0
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US Patent 12017011 Intravenous catheter device
0
Patent Primary Examiner
‌
Matthew F. DeSanto
Patent abstract

The present invention is a safety syringe for use with a plurality of interchangeable needles. The plurality of needles may be inserted by the user into the safety syringe for use. In operations, the user selects the desired needle, e.g., a needle having a particular gauge or size or of a particular type. The user inserts the needle (14) into a safety syringe (10) comprising a barrel (6), a needle assembly area (18) located within or attached to the barrel and a plunger (66). The needle couples to the syringe by a number of means. For instance, a locking mechanism (20, 22) may be used by which a needle hub located within the needle assembly has an area adapted to mate with a corresponding area on the needle. Or, the needle may be formed as part of a separate needle assembly, whereby the user will place the entire needle assembly onto the end of the syringe barrel. During use, the user operates the syringe like other safety syringe, using one hand to depress the plunger, which ultimately causes a spring to propel the needle into the barrel of the syringe.

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