Blood collection reservoir and filter device

Details Blood collection reservoir and filter device Blood collection reservoir and filter device

1992-02-03

1993-03-09

Dawson, Robert A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

128DIG3, 210 94, 2104161, 210452, 210454, 210456, 422101, 422102, 604 4, 604319, 604403, B01D 2911, B01D 2927

Patent

active

051924390

ABSTRACT:
A blood collection reservoir and filter device includes a generally cylindrical housing and an internal filter medium with the filter medium being retained in spaced relationship from the side wall of the housing so that blood can pass through the filter in a non-traumatized manner and flow smoothly onto a dispersion plate for cascading delivery to the internal surface of the side wall of the housing where it can flow in a non-traumatic manner to an outlet in the bottom wall of the housing. The filter medium includes a defoaming filter layer and a particulate filter layer so that blood removed from a surgical wound can be defoamed and filtered within the device. The filter is elevated within the housing to provide a relatively large temporary storage area where blood can be retained in non-contact with the filter.

REFERENCES:
patent: 4157965 (1979-06-01), Raible
patent: 4164468 (1979-08-01), Raible
patent: 4243531 (1981-01-01), Crockett et al.
patent: 4664682 (1987-05-01), Monzen
patent: 4705497 (1987-11-01), Shitaokoshi et al.
patent: 4737139 (1988-04-01), Zupkas et al.
patent: 5024613 (1991-06-01), Vasconcellos et al.
patent: 5087250 (1992-02-01), Lichte et al.
patent: 5120302 (1992-06-01), Vescovini et al.
patent: 5127900 (1992-07-01), Schickling et al.

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