Surgical instrument comprising first and second drive systems actuatable by a common trigger mechanism

Surgical instrument comprising first and second drive systems actuatable by a common trigger mechanism

A surgical instrument can comprise a first drive system for advancing a knife bar between a first position and a second position in order to close a jaw, or clamping, member of an end effector. The first drive system can comprise a toggle clamp which can generate and transmit an asymptotical clampin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ANDREYKO MICHAEL J, TREES GREGORY A, BOUDREAUX CHAD P
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:A surgical instrument can comprise a first drive system for advancing a knife bar between a first position and a second position in order to close a jaw, or clamping, member of an end effector. The first drive system can comprise a toggle clamp which can generate and transmit an asymptotical clamping load to the jaw member. The surgical instrument can further comprise a second drive system for advancing the knife bar between the second position and a third position. The second drive system can comprise a rack and pinion system and the surgical instrument can comprise a single trigger for actuating both the first drive system and the second drive system on the same stroke.