Surgery – Instruments – Electrical application
Reexamination Certificate
2006-05-30
2006-05-30
Peffley, Michael (Department: 3739)
Surgery
Instruments
Electrical application
C606S113000
Reexamination Certificate
active
07052495
ABSTRACT:
A surgical snare instrument according to several embodiments includes a first handle capable of controlling the rotational position of the snare, and a second handle adapted to control the opening and closing of the snare and cauterization. The first handle serves as a grippable element on the sheath and contains a system which rotates the shaft, and consequently the snare, so that when the physician grips the first handle, the physician is capable of steering the snare by operating the first handle. In addition, the physician is also capable of positioning the entire sheath relative to the endoscope by sliding the sheath into and out of the working channel of the endoscope. The proximal handle is operable by an assistant and permits longitudinal movement of the shaft and cautery application. According to other embodiments, the snare instrument is provided with a mount which enables the snare instrument to be adjustably fixed relative to an endoscope handle. Additionally, an embodiment is also provided in which a single handle provides a physician with a system which advances and retracts the sheath of the snare instrument relative to the endoscope, a system which opens and closes the snare, and a system which rotates the shaft and the snare to position the snare over a polyp.
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Product Brochure, “Trio 14, Re-engineering Over-the-Wire Balloon Technology,” 1994, 4 pages.
Crompton Seager & Tufte LLC
Peffley Michael
Sci-Med Life Systems, Inc.
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