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Last Updated: September 29, 2020

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Patent: 8,152,796

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Summary for Patent: 8,152,796
Title:Method and apparatus for performing percutaneous laser disc decompression with vaporization monitoring by fluid displacement
Abstract: Apparatus and method of performing percutaneous laser spinal disc decompression with the patient retaining consciousness. The clear plastic hub of a discectomy needle has a translucent hub with a chamber which is filled with a saline solution prior to insertion of an optical fiber of a laser apparatus through the needle. Gas production from the vaporization of the nucleus of the disc by the optical fiber of the laser apparatus forms bubbles in the water or saline fluid interface thereby providing the physician with an indication of the rate of vaporization of the disc nucleus. In addition, the detection of gas bubbles in an awake, responsive patent facilitates (a) determining the appropriate amount of laser energy required, (b) confirmation of disc vaporization, (c) following the course of laser surgery, and (d) minimizing the potential for laser associated patient injury.
Inventor(s): McMillan; Marion R. (Seneca, SC)
Assignee:
Application Number:11/699,527
Patent Claims:see list of patent claims

Details for Patent 8,152,796

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 001 2006-05-25   Start Trial 2039-09-22 search
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 1 2006-05-25   Start Trial 2039-09-22 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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