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Last Updated: October 1, 2020

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Patent: 5,402,779

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Summary for Patent: 5,402,779
Title: Method for the non-invasive detection of an intravascular injection of an anesthetic by the use of an indicator dye
Abstract:A method and apparatus in which an anesthesia catheter is inserted into the epidural space of the patient. A blood soluble dye mixed with a local anesthetic is injected through the catheter and into the patient. A transducer clip is positioned on the finger of the patient for monitoring the light responsive characteristics of the patient\'s blood. A transducer signal is fed to a microprocessor for generating a real time display for indicating to the anesthesiologist that the dye, and therefore the local anesthetic, is present in the bloodstream.
Inventor(s): Chen; William X. (Oak Park, IL), Laurito; Charles E. (Wilmette, IL)
Assignee:
Application Number:08/254,957
Patent Claims:see list of patent claims

Details for Patent 5,402,779

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 1 2006-05-25   Start Trial 2014-04-29 search
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 001 2006-05-25   Start Trial 2014-04-29 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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