Patent ID: 8409140
Filing Date: 2013-04-02
Classification: A61B,A61M

Abstract:
1. An injection apparatus for making an injection at a predetermined depth in skin comprising: a first skin positioning member having a lower surface for positioning on a first patch of skin to hold the first patch of skin in a defined position; a second skin positioning member having a lower surface for positioning on a second patch of skin to hold the second patch of skin in a defined position, wherein the first and second skin positioning members lie or are moveable to lie in an injection arrangement; an injection needle having a discharge opening; an injection needle movement guide to guide the injection needle for movement from a parking position above the skin, through the lower surface of the second skin positioning member to enter the second patch of skin and to slide beneath the first skin positioning member to an injection position in which the discharge opening of the needle lies at a predetermined distance below the lower surface of the first skin positioning member; a plunger within the injection needle; and a retractor to retract the injection needle such that material to be injected is expelled from the discharge opening of the injection needle by the plunger.