Bipolar double-hinged instrument
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United States of America Patent
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N/A
Issued Date -
Oct 6, 2005
app pub date -
Mar 25, 2005
filing date -
Mar 31, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A bipolar double-hinged instrument (1) has two forceps legs (3, 4), which are supported on a common forceps leg shaft (2) so that they can pivot (Pf2), which are insulated electrically from each other, and which can pivot in opposite directions via respective toggle-lever elements (5, 6, 7, 8) and a connecting rod (11) that can move in a tubular shaft (9) in a longitudinal direction (Pf1). The connecting rod (11) and a toggle-lever element (5) are connected to each other in an electrically conductive way, wherein the connecting rod (11) and the toggle-lever elements (5, 7) are supported on the connecting rod shaft (10), which is electrically insulated from the connecting rod (11) and the toggle-lever element (5), so that they can rotate. Between the connecting rod (11) and the toggle-lever element (7) there is at least one connecting rod insulating part electrically insulating the connecting rod (11) and the toggle-lever element (5) from the toggle-lever element (7). The second forceps leg (4) is connected at the forceps leg shaft (2) to the tubular shaft (9) in an electrically conductive way. On the forceps leg shaft (2), between the forceps legs (3, 4) there is at least one forceps leg insulating element (21, 22) electrically insulating the two forceps legs (3, 4) from each other.
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