A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 18/18 (2006.01)
Patent
CA 2528056
Methods and devices for cutting or coagulating tissue. A device comprises an elongate member (14) having a distal end, at least one foot member (16) extending from the distal end of the elongate member, said foot member (16) having a upper surface (US) and a lower surface (LS), an electrically and thermally insulating covering formed on at least the lower surface of the foot member and at least one electrode (26, 28) on the upper surface of the foot member (16). In operation, the at least one electrode (26, 28) is energized so as to cause cutting or coagulation of tissue located above the upper surface of the foot member (16) while not causing substantial damage to tissue located below the lower surface of the foot member(16).
L'invention concerne des méthodes et des dispositifs de coupe et de coagulation. Un dispositif comprend a) un élément allongé à extrémité distale ; b) au moins un élément de pied s'étendant entre l'extrémité distale de l'élément allongé, ledit élément de pied présentant une surface supérieure et une surface inférieure ; c) un revêtement isolant électriquement et thermiquement, formé sur au moins la surface inférieure de l'élément de pied et d) au moins une électrode sur la surface supérieure de l'élément de pied. En service, l'électrode (au moins au nombre de une) est alimentée en énergie, de manière à induire la coupe ou la coagulation d'un tissu situé au-dessus de(s) (la) surface(s) supérieure(s) de(s) (l')élément(s), tout en ne provoquant pas d'altération substantielle du tissu suité en dessous de(s) (la) surface(s) inférieure(s) de(s) (l')élément(s) de pied.
Gerg James B.
Mirhashemi Soheila
Mittelstein Michael
Sorensen John T.
Gowling Lafleur Henderson Llp
Neomedix Corporation
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