A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/28 (2006.01) A61B 18/14 (2006.01)
Patent
CA 2247754
Surgical forceps which are configured having oppositely disposed tissue grasping surfaces at the tip regions of corresponding tines. An electrically insulative spacer assembly is positioned on and supported from at least one of the tissue grasping surfaces to space the tissue contacting surfaces apart an optimized distance, T, when the tines are in a substantially closed orientation. A preferred, strip form of spacer assembly formed of an electrically insulative material is employed and improved current paths are defined between the grasping surfaces to derive an efficient and effective hemostasis substantially without sticking of tissue to the surfaces. The geometric configuration of the spacer regions functions to enhance cleanability of the forceps and the tines of the forceps additionally are formed with side and nose surfaces at the tip regions having effective side surface current delivery areas improving forceps performance when used in a coagulative painting modality.
Pinces chirurgicales ayant, sur l'extrémité de chacune des branches, des surfaces opposées servant à saisir des tissus. Une pièce d'espacement non conductrice est fixée sur au moins une des surfaces de préhension de tissu et sert à écarter les surfaces de préhension afin qu'elles occupent une distance optimale T, lorsque les branches sont essentiellement fermées. La pièce d'espacement privilégiée a la forme d'une bande formée dans un matériau non conducteur. Les passages du courant entre les surfaces de préhension sont améliorés afin d'obtenir efficacement une hémostase sans que les tissus ne collent aux surfaces de préhension. La configuration géométrique de la pièce d'espacement permet de nettoyer facilement les pinces. Les bords et les parties avant des extrémité des branches présentent des surfaces conçues pour assurer le passage efficace du courant sur les surfaces latérales, ce qui améliore le rendement des pinces lorsqu'on les utilise pour effectuer la coagulation dans un mouvement de balayage.
Eggers Andrew R.
Eggers Philip E.
Eggers & Associates Inc.
Mcfadden Fincham
LandOfFree
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