Title: Method of locating the epidural space

Abstract: A method of locating the epidural space in a patient's body with a needle assembly having a flexible film defining a closed cavity which communicates with a needle of the assembly, comprising the steps of positioning a tip of the assembly adjacent the epidural space, and advancing the assembly into the body while determining whether the film flexes inwardly or outwardly relative to the assembly to ascertain the position of the needle assembly tip in the patient's body.

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Inventors: Patel, Bhupendra C. (Elgin, IL, US)

Application Number: 889477
Filing Date: 1978-03-23
Publication_date: 1979-11-27
Assignee: The Kendall Company (Boston, MA)
Primary Class(es): 600/561 600/587
Other Classes:
US Patent Ref:

3625199	Dec, 1971	Summers	128/2.
3675722	Jul, 1972	Balme, Sr.	116/114.
3736899	Jun, 1973	Manske	116/114.
3874369	Apr, 1975	Pannie, Jr. et al.	128/2.

Other Refs:
Primary Examiner: Kamm, William E.
Assistant Examiner:
Attorney: Sprunger; Powell L.