Surgery – Instruments – Electrical application
Reexamination Certificate
2011-01-11
2011-01-11
Cohen, Lee S (Department: 3739)
Surgery
Instruments
Electrical application
Reexamination Certificate
active
07867230
ABSTRACT:
This invention provides bipolar forceps that are used for coagulation, dissection or similar surgical manipulation by the application of a high-frequency current in a surgical operation, which suppresses attachment and sticking of burned protein to arm tip end portions irrespective of the properties of the metal material forming the arms. The bipolar forceps according to the present invention have on each of opposed surfaces1aof the tip end portions1of a pair of arms a composite plating film3composed of a noble metal material3aand nonconductive fine particles3b, and a laminate plating film4of a noble metal material formed on the composite plating film3.
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Ceviker, N., et al: “A New Coated Bipolar Coagulator: Technical Note”: ACTA Neurochirurigica; 1998; pp. 619-620; vol. 140; Austria.
Asahara Tomohiko
Houkin Kiyohiro
Mikami Takeshi
Cohen Lee S
Johnson & Johnson Kabushiki Kaisha
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