← EPO Patent Bulletin

MEDICAL SYRINGE WITH REDUCED MATERIAL CONTENT

Publication EP4710969A1 Kind: A1 Mar 18, 2026

Applicants

Becton Dickinson France

Inventors

LEIBBRAND, Alfred, VACELET, Hélène

Abstract

A syringe, comprising: a barrel defining a proximal end, a distal end, and an interior cavity, wherein the barrel defines: an outer diameter (D1), an inner diameter (D2), a wall thickness (T1), a height (H1) extending from the proximal end to the distal end, a form factor (FF) defined as H1/D1, a first volume (V1) of the interior cavity of at least 0.5 ml, a second volume (V2) of a material constituting the barrel, and a weight (W1) of the barrel, wherein: V2/V1 is between 0.5 and 1.6, W1/V1 is less than 4.2 g/ml, T1 is less than 1.0 mm, H1 is less than 62 mm, and FF is less than 6.0.

IPC Classifications

A61M 5/31 20060101AFI20250213BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR