Surgery – Instruments
Reexamination Certificate
2011-06-07
2011-06-07
Johnson, III, Henry M (Department: 3769)
Surgery
Instruments
C606S079000, C606S080000
Reexamination Certificate
active
07955323
ABSTRACT:
A surgical instrument holder has a head assembly and a drive spindle assembly. The head has a second coupling end with a coupling device and interface for receiving and holding a surgical instrument. The instrument is held by a releasable locking mechanism having a ring slideably biased against the coupling device by a spring, and a connection device retaining the spring in a fixed position during use. The spindle assembly has a drive spindle rotatably housed in a cylindrical tube. The connection device provides a quick-release connection between the head and drive spindle assemblies, such that unlocking the connection device enables quick disassembly of the connection for cleaning and component sterilization. A method of use of the instrument holder allows the surgical instrument to be installed through an incision in a least invasive orientation separate from the holder.
REFERENCES:
patent: 5062749 (1991-11-01), Sheets
patent: 5499985 (1996-03-01), Hein et al.
patent: 5658290 (1997-08-01), Lechot
patent: 2005/0124981 (2005-06-01), Desarzens et al.
patent: WO 2004/100805 (2004-11-01), None
patent: WO 2005/044114 (2005-05-01), None
Crandall Lynsey
Greatbatch Medical S.A.
Johnson, III Henry M
Scalise Michael F.
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