The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2008
Filed:
Jul. 02, 2002
James A. Woodard, Jr., Powell, OH (US);
Eric G. Hassenpflug, Westerville, OH (US);
Steven Huckaby, Columbus, OH (US);
Steven R. Nelson, Grove City, OH (US);
Eric R. Navin, Delaware, OH (US);
James A. Woodard, Jr., Powell, OH (US);
Eric G. Hassenpflug, Westerville, OH (US);
Steven Huckaby, Columbus, OH (US);
Steven R. Nelson, Grove City, OH (US);
Eric R. Navin, Delaware, OH (US);
Hypoguard USA Inc., Edina, MN (US);
Abstract
A hypodermic syringe includes a barrel with a plunger slidably extending therein. The plunger includes an outer plunger element and an inner plunger element telescoping together. A plunger cap may be advanced after injection to rotate the plunger. A resistance lock retains the cap and plunger indexed until actuation. The rotation actuates latches and locking fingers on the luer hub to engage a probe axially and rotationally on the seal end of the plunger and disengage the slots in the barrel, respectively. The rotation disengages the seal stop to release the annular seal and finally releases the engagement between the outer plunger element and inner plunger element. The foregoing provides for the retraction of the luer hub and associated needle into the barrel.