Patent ID: 8529521
Filing Date: 2013-09-10
Classification: A61M

Abstract:
1. A low-dosage syringe, comprising: an elongate syringe barrel having a proximal end, a distal end, a length, and a sidewall defining an interior chamber adapted to receive a supply of fluid, said interior chamber having a single inner diameter, an outer diameter, and a wall thickness; a plunger member slidably disposed within the interior chamber, said plunger being of substantially uniform cross-section and having an elastomeric distal piston; a tip member disposed within the distal end of the syringe barrel, the tip member defining an inner lumen in fluid communication with the interior chamber; and wherein the ratio of the wall thickness to the outer diameter is in the range of about 0.05 to 0.5, further wherein the interior chamber has a volume equal to or less than 0.25 mL.