Surgery – Truss – Pad
Patent
1977-12-29
1979-06-05
Michell, Robert W.
Surgery
Truss
Pad
128314, A61B 1732
Patent
active
041570863
ABSTRACT:
Improved apparatus for providing skin cuts to a predetermined measure in order to determine blood bleeding time, comprising a casing having a cutting blade accommodated therein and restrained to the casing through a pin coupling within an elongate groove. The blade is moved by a rotating spring member to cause its cutting end to project from a casing slit to a degree and travel that are exactly predetermined and repeatable.
REFERENCES:
patent: 6240 (1849-05-01), Ives
patent: 2823677 (1958-02-01), Hein
patent: 3760809 (1973-09-01), Campbell
patent: 3902475 (1975-09-01), Begg et al.
Maiorano Michele
Praga Claudio
Valentini Luigi
Farmitalia Carlo Erba S.p.A.
Michell Robert W.
Thaler Michael H.
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