Stepped needle

Details Stepped needle Stepped needle

1988-07-25

1990-03-20

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

A61M 532

Patent

active

049098004

ABSTRACT:
A stepped needle comprising, a proximal hollow hub, a first elongated tubular portion extending from the hub of a first larger diameter, and a second elongated tubular end portion located distal the first tubular portion of a second smaller diameter.

REFERENCES:
patent: 3993079 (1976-11-01), de Gatzanondo
patent: 4202332 (1980-05-01), Tersteegen et al.
patent: 4652256 (1987-03-01), Vaillancourt
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"Continuous Spinal Anesthesia with Hypobaric Tetracaine for Hip Surgery in Lateral Decubitus", Anesthesia and Analgesia, vol. 51, No. 5, Sep.-Oct., 1972, p. 766.
"Spinal Subdural Hematoma Associated with Atempted Epidural Anesthesia and Subsequent Continuous Spinal Anesthesia", Anesthesia and Analgesia, vol. 59, No. 1, Jan., 1980, p. 72.
"Continuous Caudal Analgesia in Obstetrics", Proc. Roy. Soc. Med., vol. 26, Feb., 1969, p. 185.
"Continuous Caudal Epidural and Subarachnoid Anesthesia in Mares; A Comparative Study", Am. J. Vet. Res., vol. 44, No. 12, p. 2290.
"The Position of Plastic Tubing in Continuous-Block Techniques, an X-Ray Study of 552 Patients", Anesthesiology, Sep.-Oct., 1968, p. 1047.
"Esperienze Cliniche Sulla Anesthesia Spinale Continua", Acta Anesthesiologica, 1968, p. 49.
"Raquianestesia Continua Em Pacientes de Idade Avancada", Revista Brasileira de Anestesiologia, Ano 20, No. 4, Oct.-Dec., 1970, p. 518.

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