Patent ID: 6616634
Filing Date: 2003-09-09
Classification: A61M

Abstract:
An ergonomic syringe to be used for injecting fluids under pressure in medical procedures, including angiographic procedures, which includes:a) a generally cylindrical hollow barrel having a nozzle at its distal end and a generally open proximal end; b) a top fingergrip located on an outside wall of said barrel, said top fingergrip having an open finger ring into which an operator may insert a single finger for the purpose of gripping said ergonomic syringe; c) a bottom fingergrip located on an outside wall of the barrel generally opposite the wall on which the top fingergrip is located, said bottom fingergrip having an open interior bottom fingergrip into which an operator may insert more than one finger for the purpose of gripping the ergonomic syringe; d) a plunger having a plunger shaft including a distal end and a proximal end, said distal end being received into the proximal end of the barrel where said plunger may slidably move forward and rearward inside the lumen of the barrel; e) a handgrip located on the proximal end of the plunger, said handgrip including: (i) a handgrip arch located on the proximal side of the handgrip generally opposite the point at which the handgrip joins the plunger, said handgrip arch shaped generally in a curve to fit a portion of the palm of an operator's hand and ball of the operator's thumb including a significant area of the adductor pollicis muscle; (ii) a handgrip base extending away from the handgrip arch, said handgrip base being formed as an elongate finger generally shaped to fit a significant part of the lower portion of the palm of an operator's hand and ball of the operator's thumb generally including an area distal to the palmar surface of the annular ligament of the hand; (iii) a thumbgrip extending away from the point at which the handgrip joins the plunger in a direction generally opposite that of the handgrip base.