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:
Sep. 07, 2004
Filed:
Jan. 22, 2003
Jan Harald Preuthun, Bronshoj, DK;
Soren Henrik Ljunggreen, Ballerup, DK;
Novo Nordisk A/S, Bagsvaerd, DK;
Abstract
A linear actuator comprising a first member ( ) and a second member ( ) provided with internal threads ( ) cut in opposite directions and an intermediary member ( ) engaged with and being axially displaceable in relation to the first and second members ( ), via external threads ( ) that are complementary to the threads ( ) provided on the first and second members ( ). The linear actuator furthermore comprises a sheath ( ) stretching across the intermediary member ( ), which sheath ( ) is inrotatably, but longitudinally slidably arranged in relation to the first and second members ( ). The linear actuator also comprises a driving rod ( ) that is inrotatably, but longitudinally slidably arranged within the intermediary member ( ). A medical delivery device provided with such a linear actuator is also provided.