Surgery – Instruments – Forceps
Patent
1999-02-18
2000-08-01
Buiz, Michael
Surgery
Instruments
Forceps
606211, A61B 1728
Patent
active
060960590
ABSTRACT:
A microsurgical tool (8), in the form of forceps, allows access and micro-manipulation into very small confined spaces, such as the cochlea. The microsurgical tool includes an activation body (10) and a working head (20). The activation body is made from a pair of leaf springs (11) joined permanently at one end to a sliding bracket (12) and joined at the other end to a central section (15) with removable screws (13). The central section (15) tapers to an extension (15A) that extends to the working head. A push arm (16) has a first end coupled to the sliding bracket (12) and a second end pivotally joined to the working head (20). The working head (20) is made from a first jaw part (21) attached to the extension (15A), and a second jaw part (22) pivotally connected to the second end of the push arm (16). In operation, pressing the pair of leaf springs together forces the sliding bracket to slide forward and close the first and second jaw parts together, while releasing the pair of leaf springs allows the sliding bracket to slide backward to open the jaw parts.
REFERENCES:
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patent: 4898183 (1990-02-01), Kuzma
patent: 5147378 (1992-09-01), Markham
patent: 5667514 (1997-09-01), Heller
patent: 5752937 (1998-05-01), Otten et al.
patent: 5928263 (1999-07-01), Hoogeboom
Advanced Bionics Corporation
Buiz Michael
Gold Bryant R.
Goldberg Jonathan D.
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