Method and apparatus for microfiltration of blood

Details Method and apparatus for microfiltration of blood Method and apparatus for microfiltration of blood

1980-11-12

1984-06-12

Millin, V.

Surgery

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

Treating material introduced into or removed from body...

604 5, 604190, 604252, 604406, A24B 130

Patent

active

044539274

ABSTRACT:
A microfilter and method for infusion of blood and blood components into premature or neonatal infants designed to be utilized as an interruption filter between the syringe carrying the blood to be transfused and the needle injected into the vein of the patient or stopcock connections to the vasculature of the patient. The filter of this invention includes a filter body adapted to engage a syringe nipple and a needle hub, or standard luer taper fitting. The square body of this filter encases a stainless steel filter screen passing particles of less than 18 microns in diameter and restricting or trapping particles of larger diameter. The filter functions by a sieving or direct interruption of passage of larger microaggregates. The filter is specifically designed for utilization one time only. The method includes transfusing 5 to 20 cc of blood while screening out particles of less than 18 microns.

REFERENCES:
patent: 2857913 (1958-10-01), Miskel
patent: 3238056 (1966-03-01), Pall et al.
patent: 3344785 (1967-10-01), Hamilton
patent: 3722697 (1973-03-01), Burke et al.
patent: 3782083 (1974-01-01), Rosenberg
patent: 4113627 (1978-09-01), Leason
patent: 4170056 (1979-10-01), Meyst et al.
patent: 4200096 (1980-04-01), Charvin
Milipore Data Sheet SW-13-(Swinnex-13), Sep. 1965.

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