A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 9/013 (2006.01) A61B 17/3211 (2006.01) A61F 9/007 (2006.01)
Patent
CA 2580724
A surgical knife blade for forming an incision in bodily tissue comprising a body having a cutting edge terminating at a distal tip, said cutting edge including opposing cutting edge segments extending distally to meet at said tip, said cutting edge being configured by blending a first and second radii,. The first radius is concave and the second radius is convex, the first and second radii meet at a juncture which forms a smooth tangential connection, whereby the blended radii form a hollow design and wherein when said body is moved in a cutting direction transverse to the tissue to cause said tip to enter the tissue, less force is required to penetrate the bodily tissue and greater control is provided.
La présente invention a trait à un bistouri pour la formation d'une incision dans un tissu corporel comportant un corps présentant un tranchant se terminant à une pointe distale, ledit tranchant comprenant des segments de tranchants opposés s'étendant en direction distale pour se rejoindre au niveau de ladite pointe, ledit tranchant étant conformé par la fusion de premier et deuxième rayons. Le premier rayon est concave et le deuxième rayon est convexe, les premier et deuxième rayons se rejoignent à une jonction qui forme une liaison tangentielle douce, permettant les rayons fusionnés de former un motif creux, ledit corps étant déplacé dans une direction de coupe transversale au tissu pour faire pénétrer ladite pointe dans le tissu, un effort inférieur étant nécessaire à la pénétration du tissu corporel assurant ainsi un meilleur contrôle.
Blake Cassels & Graydon Llp
Surgical Specialties Corporation
LandOfFree
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