Surgery – Instruments – Forceps
Patent
1992-10-09
1994-07-19
Thaler, Michael H.
Surgery
Instruments
Forceps
606170, 606174, 128751, A61B 1700
Patent
active
053305027
ABSTRACT:
Described herein is an endoscopic instrument such as a dissector, scissor or grasper in which there is provided a shaft which defines a longitudinal axis of the instrument. This shaft is able to rotate about the handle portion of the instrument. This mechanism also provides for articulation of the end effectors with respect to the longitudinal axis of the shaft. This articulation is accomplished by causing angulation of the end effector with respect to the shaft. Because driving the cable is accomplished around any such angle, the end effectors continue to be able to operate. There is disclosed herein a locking mechanism which allows the rotational aspect of the device to operate to rotate the entire articulating mechanism.
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patent: 4763669 (1988-08-01), Jaeger
patent: 4872456 (1989-10-01), Hasson
patent: 4880015 (1989-11-01), Nierman
patent: 4944741 (1990-07-01), Hasson
patent: 5133735 (1992-07-01), Slater et al.
patent: 5133736 (1992-07-01), Bales et al.
patent: 5141519 (1992-08-01), Smith et al.
patent: 5152778 (1992-10-01), Bales et al.
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patent: 5209747 (1993-05-01), Knoepfler
Armstrong Charles
Hassler William L.
Murray Thomas
Price Daniel
Coletti Paul A.
Ethicon Inc.
Lewis William W.
Thaler Michael H.
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