Publication number: 20210128817
Abstract: The present invention provides a needle unit (10, 310, 410, 510) having a proximal space (13, 513) adapted to accommodate a portion of a variable volume reservoir, the needle unit (10, 310, 410, 510) comprising: a needle carrier (15, 315, 415, 515), a needle tube (21, 121, 221, 321, 421, 521) being fixed to the needle carrier (15, 315, 415, 515) and comprising a distal needle end (23, 123, 223, 323, 423, 523) for providing fluid communication to an injection site, a needle shield (50, 350, 450, 550) carrying a sealed chamber (38, 138, 238, 338, 438, 538) for accommodating a distal portion of the needle tube (21, 121, 221, 321, 421, 521), the sealed chamber (38, 138, 238, 338, 438, 538) being sealed distally by a penetrable self-sealing septum (39, 139, 239, 339, 439, 539), and a flow channel (24, 124, 224, 324, 424, 524) for establishing fluid communication between the sealed chamber (38, 138, 238, 338, 438, 538) and the proximal space (13, 513), wherein the needle shield (50, 350, 450, 550) and the needle ca
Type:
Application
Filed:
June 28, 2019
Publication date:
May 6, 2021
Inventors:
Henrik Bengtsson, Vera Pinto Glenting, Bo Kvolsbjerg, Brian Jensen