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Device for dispensing intraocular substances

  • US 9,987,163 B2
  • Filed: 04/16/2014
  • Issued: 06/05/2018
  • Est. Priority Date: 04/16/2013
  • Status: Active Grant
First Claim
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1. An ophthalmic injection device, comprising:

  • a pistol-shaped housing having a grip handle and an elongated slot formed by straight edges formed on and extending through an outer side wall of the housing such that the slot is on an outer surface of the injection device;

    a plunger mechanically coupled to the housing and configured to advance a distance into a container holding a material;

    a pushing mechanism coupled to the housing and configured, upon an actuation of the pushing mechanism of a distance, to apply a force to a spring element, wherein the pushing mechanism comprises a trigger handle that pivots toward the grip handle when actuated; and

    the spring element contained entirely within the housing and configured to apply the force to the plunger and configured to dampen the distance moved by the pushing mechanism from the distance moved by the plunger; and

    the container,wherein the container is a cylindrical body that fits into the slot of the housing, wherein the container inserts into the slot on the outer side wall of the housing and wherein the container has a blunt distal end; and

    a small delivery lumen configured to communicate with the container, wherein the small delivery lumen has an outlet configured to be placed within a structure of an eye.

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