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US 11,395,881 B2Granted
Auto-injector apparatus
AssigneeOwen Mumford Limited
InventorLee Pearson
Life of this patent
Estimating the term…
Abstract
Disclosed is an auto-injector apparatus for receiving a safety syringe, the safety syringe including a sheath deployable on actuation of a plunger to a position at least partially covering a needle of the syringe, wherein the apparatus is configured to allow movement of the sheath to a closed position that substantially covers the needle.
Claims16
An auto-injector apparatus with a safety syringe received therein, the safety syringe comprising:
- a sheath deployable on actuation of a safety plunger to a closed position substantially covering a needle of the syringe, wherein the auto-injector apparatus is configured to allow movement of the sheath of the safety syringe to said closed position, and
- wherein the auto-injector apparatus comprises:
- a syringe housing configured to receive the safety syringe,
- a chamber configured to allow movement of the sheath of the safety syringe therein, wherein the chamber has a width greater than a diameter of a barrel of the safety syringe to allow the sheath of the safety syringe to move over the barrel within the chamber, and
- a needle aperture through which the needle of the safety syringe projects when the safety syringe is received within the syringe housing, the needle aperture forming an annular aperture around the needle configured to allow the sheath of the safety syringe to project from the syringe housing when in said closed position.
2 more elements
Dependencies are inferred from the claim text.