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:
Mar. 19, 2013
Filed:
Sep. 21, 2009
Ursina Streit, Bern, CH;
Markus Bollenbach, Bern, CH;
Patrick Hostettler, Hasle-Ruegsau, CH;
Daniel Kuenzli, Langendorf, CH;
Ursina Streit, Bern, CH;
Markus Bollenbach, Bern, CH;
Patrick Hostettler, Hasle-Ruegsau, CH;
Daniel Kuenzli, Langendorf, CH;
TecPharma Licensing AG, Burgdorf, CH;
Abstract
An injection device, in some embodiments an autoinjector, which includes a thrust spring that advances an injection needle from an initial position to an insertion position from the distal end of the injection device and that causes a product to be emptied from the product reservoir by an emptying movement, and a return spring that retracts the injection needle from the insertion position into the distal end of the injection device counter to the force of the thrust spring, wherein the return spring is decoupled from the thrust spring during the emptying movement.