Surgery – Truss – Perineal
Patent
1975-10-14
1976-12-07
Pace, Channing L.
Surgery
Truss
Perineal
128303R, 128305, 128346, A61B 1000, A61B 1700, A61B 1732
Patent
active
039956199
ABSTRACT:
A multi-purpose surgical instrument for subcutaneous use is described. The instrument includes a generally hollow inner tube which is provided at a probing free end with a crochet-type hook. The other end, or hand-held end, is fixedly joined to a finger grip. An inner clamping rod is slideably mounted within the hollow tube and can be selectively axially moved between clamping and releasing positions at the hook and be positively locked in the clamping condition thereof. An outside cutting sleeve receives the hollow tube therein and is provided with a rotary cutting edge which is adapted to angularly turn about the axis of the hollow tube to sweep at least a portion of the hook face to thereby cut an object clamped at the hook by the rod. A cutter actuator is connected to the outside cutting sleeve and cooperates with the handle finger grip to limit the relative angular turning or displacement between the hollow tube and the outside cutting sleeve to prevent the rotary cutting edge to sweep across the entire face of the hook. This assures that an object clamped within the hook is not totally released from the hook. By providing a helical-type cam-follower arrangement between the handle or finger grip and the cutter actuator, the cutting sleeve may be made to be linearly or axially displaced simultaneously with rotary or relative angular movement between the cutting sleeve and the hollow tube or hook. By utilizing only one, two or three of the operative members of the instrument, these being the hollow tube, elongate rod or outside cutting sleeve, the instrument may be utilized for different subcutaneous procedures.
REFERENCES:
patent: 1867624 (1932-07-01), Hoffman
patent: 3477423 (1969-11-01), Griffith
patent: 3877434 (1975-04-01), Ferguson et al.
patent: 3929123 (1975-12-01), Jamshidi
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