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US 5,015,235 AGranted
Syringe needle combination
AssigneeNational Carpet Equipment, Inc.
InventorDavid D. Crossman
Life of this patent
Estimating the term…
Abstract
A needle (11) for a hypodermic syringe is a force fit on a hub (12) which can be secured onto a container for the fluid to be injected. A cover (13) fits over a boss on the hub and provides an enclosure for the needle. The assembly of hub, needle and cover are housed in a container (14) which fits around the hub (12). To control the depth of penetration of the needle, the user selects an adjuster (15) from a set of adjusters of different sizes and fits it over a part of the hub.
Claims5
A method of injecting a substance into a patient, the method comprising:
- (a) providing a needle combination including a needle for a syringe, a hub containing a boss carrying the needle, a depth adjuster and a cover which fits over the boss on the hub and defines an enclosure for the needle;
- (b) removably fitting the depth adjuster on the hub, so as to set the degree of penetration of the needle in the patient;
- (c) removing the cover;
- (d) inserting the needle into the patient;
- and
- (e) injecting the substance through the needle.
3 more elements
Dependencies are inferred from the claim text.