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:
Nov. 28, 2017
Filed:
May. 08, 2013
Debiotech S.a., Lausanne, CH;
Jérôme Da Ros, Thonon les Bains, FR;
Frédéric Neftel, Lausanne, CH;
DEBIOTECH S.A., Lausanne, CH;
Abstract
A device for inserting at least one hollow needle for the injection or withdrawal of a solution into/from a tissue, said device comprising a casing (), a plunger () movably mounted inside the casing, and propulsion means (and) suitable for driving the plunger towards the distal end () of the device by applying a force F(). The propulsion means and/or the plunger comprise retaining means () for joining the propulsion means and the plunger while the latter is moving, said retaining means releasing the plunger from the propulsion means when a force F() is exerted in the opposite direction to F(). Pressure means hold the needle in the tissue and allow a controlled withdrawal of the plunger at least while the solution is being injected.