SYRINGE CARPULE FOR STORING, TRANSPORTING AND IN SITU MIXING OF LIDOCAINE AND SODIUM BICARBONATE AND DELIVERY OF BUFFERED ANESTHETIC SOLUTION
First Claim
1. A syringe carpule for storing, transporting, in situ mixing and delivery of buffered anesthetic solution, comprisingA hollow tubular body configured to be received within the frame of a carpule syringe;
- At least one axially movable plunger within the tubular body and configured to be engaged and moved by a rod of the carpule syringe;
A seal configured to be pierced by a rear portion of a needle coupled to the carpule syringe;
A first chamber defined within the hollow tubular body filled with one of an anesthetic solution or a buffering solution during storing and transport;
A second chamber defined within the hollow tubular body filled with the other of an anesthetic solution or a buffering solution during storing and transport; and
A breachable separating member between the first chamber and the second chamber, wherein the separating member is configured to be breached for in situ mixing of the buffering solution and the anesthetic solution to allow for delivery of a buffered anesthetic solution.
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Accused Products
Abstract
A syringe carpule for storing, transporting and in situ mixing of a local anesthetic, such as lidocaine, and a buffer, such as sodium bicarbonate, and delivery of buffered anesthetic solution according to the present invention that comprises a hollow tubular body received within the frame of a carpule syringe, at least one axially movable plunger within the body and configured to be engaged and moved by a rod of the carpule syringe, a seal pierced by a rear portion of a needle coupled to the carpule syringe, a first chamber within the body filled with anesthetic solution during storing and transport, a second chamber defined within the body filled with buffering solution during storing and transport; and a breachable separating member between the first and second chamber configured to be removed for in situ mixing of the buffering and the anesthetic solutions allowing for delivery of a buffered anesthetic solution.
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Citations
20 Claims
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1. A syringe carpule for storing, transporting, in situ mixing and delivery of buffered anesthetic solution, comprising
A hollow tubular body configured to be received within the frame of a carpule syringe; -
At least one axially movable plunger within the tubular body and configured to be engaged and moved by a rod of the carpule syringe; A seal configured to be pierced by a rear portion of a needle coupled to the carpule syringe; A first chamber defined within the hollow tubular body filled with one of an anesthetic solution or a buffering solution during storing and transport; A second chamber defined within the hollow tubular body filled with the other of an anesthetic solution or a buffering solution during storing and transport; and A breachable separating member between the first chamber and the second chamber, wherein the separating member is configured to be breached for in situ mixing of the buffering solution and the anesthetic solution to allow for delivery of a buffered anesthetic solution. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A syringe carpule for storing, transporting, in situ mixing and delivery of buffered lidocaine anesthetic solution, comprising
A hollow tubular body configured to be received within the frame of a carpule syringe and including a neck at a forward portion thereof; -
At least one axially movable plunger within the tubular body and configured to be engaged and moved by a rod of the carpule syringe; A cap coupled to the neck of the hollow tubular body and including a seal configured to be pierced by a rear portion of a needle coupled to the carpule syringe; A first chamber defined within the hollow tubular body filled a lidocaine solution during storing and transport; A second chamber defined within the hollow tubular body filled with the a buffering solution during storing and transport; and A breachable separating member between the first chamber and the second chamber, wherein the separating member is configured to be breached for in situ mixing of the buffering solution and the lidocaine solution to allow for delivery of a buffered anesthetic solution. - View Dependent Claims (17, 18, 19, 20)
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Specification