Extended duration local anesthetic formulation
AssigneeVentis Pharma
InventorsJeremy Poulsen, Louis Stanfield, Lawrence Volz
Life of this patent
Estimating the term…
Abstract
An extended duration anesthetic includes a short duration local anesthetic in a dilute solution and a long duration local anesthetic. The long duration local anesthetic is maintained in a powdered form until the time of administration. Premeasured quantities of the dilute solution and powdered long duration local anesthetic in a kit allow for quick preparation of a solution with desired concentrations of both short duration local anesthetic and long duration local anesthetic at the time of administration.
Claims16
A kit comprising:
- a fluid solution comprising and epinephrine;
- a powder mixture comprising tetracaine;
- and
- a syringe suitable for subcutaneous injection of a mixture of the fluid solution comprising lidocaine and epinephrine and reconstituted tetracaine.
A solution formulated for injection into a patient comprising:
- lidocaine, and epinephrine, and
- tetracaine.
An apparatus comprising:
- a package having a first compartment of at least 30 ml, a second compartment, and a breachable barrier separating the first compartment and second compartment;
- a solution, maintained in the first compartment, comprising epinephrine and at least 0.25% and no more than 0.5% by weight of lidocaine;
- and
- a powdered composition, maintained in the second compartment, of tetracaine,
- wherein the powdered composition is formulated to produce a 0.2% concentration by weight of tetracaine in solution when mixed with the solution maintained in the first compartment.
Dependencies are inferred from the claim text.