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US 2019/0336704 A1Published application
Anesthesia applicators/injectors for dental and other applications and methods of use
OwnerSargon Lazarofinventor
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OwnerSargon Lazarofinventor
Estimating the term…
Disclosed are applicators and methods injecting of a liquid anesthetic into a dental patient with no or minimal pain. In accordance with one embodiment the applicator is for intraligamentary injection and includes an elongated, thin member having an open distal free formed of a resilient and somewhat conformable material suitable for producing a substantially fluid-tight interface with the anatomic structures at the gingival sulcus to inject the anesthetic therein. In another embodiment the applicator includes a flexible skirt surrounding a sharpened cannula, with the cannula being movable with respect to the skirt. The skirt is arranged to receive the anesthetic to anesthetize the gum, whereupon the cannula can then pierce the gum to inject the anesthetic into the underlying anatomic structure.
An applicator for effecting an intraligamentary injection of a liquid anesthetic into the gingival sulcus of a dental patient, said applicator comprising a body member having an elongated tip, said tip being a generally planar, thin member having an atraumatic free end and a passageway extending therethrough and terminating at said free end of said tip, said applicator being arranged to be secured to a source of liquid anesthetic, whereupon the liquid anesthetic may be selectively introduced into said applicator, said free end of said elongated tip being arranged for producing a substantially fluid-tight interface with the anatomic structures at the gingival sulcus, whereupon the liquid anesthetic may be forced from said applicator through said passageway out of said open free end of said tip to enter into the gingival sulcus so that it is directed downward along the root of the tooth and is prevented from flowing upward and outward.
An applicator for effecting an injection of a liquid anesthetic into the tissue of a person, said applicator comprising a coupling, an elongated member having a distal end portion in the form of a hollow skirt having a free edge, and an elongated cannula having an open distal end located within said skirt proximally of said free edge, said open distal end being sharp, said coupling being arranged for securing said applicator to a source of liquid anesthetic, whereupon the liquid anesthetic may be selectively introduced within said cannula and from there into said hollow skirt, said hollow skirt being formed of a flexible material suitable for producing a substantially fluid-tight interface with the tissue to locally anesthetize the tissue when the liquid anesthetic is introduced into said hollow skirt, said sharp distal end of said cannula being movable relative to said free edge of said hollow skirt to enable said sharp distal end to penetrate the tissue to inject the liquid anesthetic therein.
A method for effecting an intraligamentary injection of a liquid anesthetic into the gingival sulcus of a dental patient, said method comprising:
A method for effecting an injection of a liquid anesthetic into the tissue of a person, said method comprising:
Dependencies are inferred from the claim text.