Chemistry: molecular biology and microbiology – Apparatus – Bioreactor
Patent
1977-07-18
1980-03-11
Shapiro, Lionel M.
Chemistry: molecular biology and microbiology
Apparatus
Bioreactor
435810, 128764, 128218D, 128218PA, 137199, 422101, 435294, A61M 5315
Patent
active
041929195
ABSTRACT:
A blood sampling and culturing kit for use with blood culture bottles containing a culture media under vacuum and evacuated specimen tubes. The kit includes a sterile blood collector tube assembly for transferring a blood sample from a patient into the blood culture bottles and evacuated specimen tubes; the tube assembly comprises a venipuncture needle having first and second cannulas projecting in opposite directions from a first hub and a bottle connection needle including first and second cannulas projecting in opposite directions from a second hub, with a valve in the second hub that is opened and closed by movement of one cannula. A flexible plastic tube receives the second cannula of each needle, completing a sealed passage between the needles. The kit also includes two vent control devices; each device includes a tubular housing having a central bore open at its opposite ends. A cannula projects outwardly from one end of the housing to connect the vent control device to a bottle by piercing the bottle stopper. There is a vent control element at the opposite end of the housing. In one vent control device, the vent control element is an air-permeable sterile filter consisting of a sheet of spunbond olefin; in the other, the vent control element is a plug seal slidably mounted in the central bore of the housing, which opens the housing in response to a buildup of excessive pressure within the bottle.
REFERENCES:
patent: 2607344 (1952-08-01), Brown
patent: 3682596 (1972-08-01), Stone
patent: 3831601 (1974-08-01), Kessell
MPL Inc.
Shapiro Lionel M.
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