Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1993-08-09
1996-05-28
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604239, 128762, 128765, A61M 500
Patent
active
055206573
ABSTRACT:
A syringe is disclosed having a large syringe housing which can be fitted with a large needle holder which in turn holds a large introducer needle. The introducer needle defines a passageway. A small seeker needle which is designed to fit within and through the passageway of the large introducer needle is attached by way of a small needle holder to a small syringe housing. A washer adapter attaches to the front of the small needle holder in order to have the small syringe housing move within a large syringe housing as a plunger for the large syringe housing. The small syringe housing in turn receives on one end a small syringe plunger which may define a small plunger lumen or chamber which can be used for transduction. Another embodiment has a modified needle having a port in the shaft within the syringe to allow sampling.
REFERENCES:
patent: Re32974 (1989-07-01), Porat et al.
patent: 3749084 (1973-07-01), Cucchiara
patent: 4245654 (1981-01-01), Raitto
patent: 4313440 (1982-02-01), Ashley
patent: 4957637 (1990-09-01), Cornell
Brackett Fred
Sellers Jackie
Alexander V.
Rosenbaum C. Fred
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