Surgery – Truss – Perineal
Patent
1976-04-02
1977-06-07
Howell, Kyle L.
Surgery
Truss
Perineal
734254P, 73149, 128DIG5, 128 2G, 210 83, 210DIG23, A61B 514
Patent
active
040276600
ABSTRACT:
A technique for generally determining the volume of a layer of a constituent material in a centrifugally separated mixture of material. A centrifuge tube is used to hold the material mixture and an appropriately shaped body is disposed in the tube in the zone occupied by the constituent material whose volume is to be measured. The body reduces the available volume within the tube which may be occupied by the constituent material, and thus expands the axial extent of the constituent material to make visual measurement of the constituent material more accurate.
REFERENCES:
patent: 2398737 (1946-04-01), Elliot et al.
patent: 3437266 (1969-04-01), Patterson
patent: 3508653 (1970-04-01), Coleman
patent: 3513976 (1970-05-01), James
patent: 3647070 (1972-03-01), Adler
patent: 3898982 (1975-08-01), Katsuda
patent: 3920557 (1975-11-01), Ayres
Levine Robert Aaron
Massey, III James Vincent
Wardlaw Stephen Clark
Howell Kyle L.
Jones William W.
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