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. 12, 2011
Filed:
Dec. 02, 2008
James R. Lawter, Yardley, PA (US);
Zhangwen Wu, New Hope, PA (US);
Michael J. Rello, Harleysville, PA (US);
James R. Lawter, Yardley, PA (US);
Zhangwen Wu, New Hope, PA (US);
Michael J. Rello, Harleysville, PA (US);
Orapharma, Inc., Warminster, PA (US);
Abstract
The invention includes a cartridge for use in a device for inserting a medicament within a body cavity of a mammal, the cartridge including a housing, a retractable chamber disposed within the housing and having a lumen having a uniform cross-section sized to contain the medicament therein, a substantially stationary member disposed within the lumen of the retractable chamber and having a uniform cross-section sized to provide a sliding fit within the lumen suitable to provide for retraction of the retractable chamber about the substantially stationary member upon actuation of the device; and means for retracting the retractable chamber about the substantially stationary member while maintaining the substantially stationary member in a substantially stationary position upon actuation of the device.