Pleural biopsy syringe-needles

Details Pleural biopsy syringe-needles Pleural biopsy syringe-needles

1993-03-30

1994-06-14

Pellegrino, Stephen C.

Surgery

Truss

Pad

128754, 128765, A61B 1000

Patent

active

053201108

ABSTRACT:
Pleural biopsy device for reducing the probability of effecting pneumothorax in a patient during a pleural biopsy procedure, for facilitating the cutting of sample tissues of the parietal pleura, and for aspirating and removing large quantities of fluid from the patient's body without switching needles. Proximal ends of two hollow, inner and outer needles are directly attached to the plunger and the barrel of a syringe, respectively. When properly assembled, the syringe, and the inner and the outer needles form a closed system that seals out the external air and the arrangement permits tissue collection without intermediate needle withdrawal during the procedure.

REFERENCES:
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patent: 4986827 (1991-01-01), Akkas et al.
Becton, Dickinson and Company Brochure "Biopsy Needles . . . " Oct. 1974.

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