Surgery – Truss – Perineal
Patent
1988-03-09
1990-02-13
Pinkham, Richard C.
Surgery
Truss
Perineal
81318, 81385, 606205, 606198, A61B 132, B25B 714
Patent
active
048997340
ABSTRACT:
An arresting member (5) is rotatably mounted about the lengthwise axis of a lever handle (2) of a pair of pliers. The arresting member (5) is directed towards the other lever handle (1) and penetrates with its free end (11) through a slot (12) in this other lever handle (1). The shank (13) of the arresting member (5) is flattened so that the arresting member in one rotational position can axially freely slide in the slot (12). The largest radial extent of the shank (13) slightly exceeds the width of the slot (12) so that the arresting member (5) is clamped in another rotational position in the slot (12). By fabricating the arresting member (5) from a deformable material, the pair of pliers can be operated also with the arresting pin in this rotational position. Upon sliding through the slot (12) the arresting member (5) is thereby deformed. By the static friction existing in the rest position between the arresting member (5) and the edges (15) of the slot, the pair of pliers are however locked in each spreading position into which it is brought. In this manner, it is possible to operate with one hand the pair of pliers including the arresting device.
REFERENCES:
patent: 1190031 (1916-04-01), Spalding
patent: 3528409 (1970-09-01), Bruder
patent: 3926195 (1975-12-01), Bleter et al.
patent: 4127315 (1978-11-01), McKee
patent: 4282783 (1981-08-01), Fortune
Graham Mark
Ottes Trading S.A.
Pinkham Richard C.
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