Cranial flap clamp and instrument for use therewith

Details Cranial flap clamp and instrument for use therewith Cranial flap clamp and instrument for use therewith

A - Human Necessities

61

B

A61B 17/68 (2006.01) A61B 17/88 (2006.01)

Patent

CA 2416117

A cranial flap clamp (10, 110) includes a first clamping member (12; 112), an extension member (16; 116), and a second clamping member (14; 114). At least a portion of the inner surface (18; 118) of the first clamping member (12; 112) is positionable against inferior surfaces of a bone flap (36) and skull (38) and at least a portion of the inner surface (28; 128) of the second clamping member (14; 114) is positionable against superior surfaces of the bone flap (36) and skull (38). The extension member (16; 116) extends from the first clamping member (12; 112) and fits between the bone flap (36) and skull (38). The second clamping member (14; 114) has a through opening (32; 132) for receiving the extension member (16; 116). A stop (52; 152) provided by mechanical deformation for which an instrument is disclosed of the extension member (16; 116) at any location along its length and adjacent the outer surface (30; 130) of the second clamping member (14; 114) secures the clamping member (12; 112) against the bone flap (36) and skull (38).

Un clamp de volet crânien (10, 110) comprend un premier organe de pinçage (12; 112), un organe d'extension (16; 116) et un deuxième organe de pinçage (14; 114). Au moins une partie de la surface interne (18; 118) du premier organe de pinçage (12; 112) peut être placée contre les surfaces inférieures d'un volet osseux (36) et du crâne (38), et au moins une partie de la surface interne (28; 128) du deuxième organe de pinçage (14; 114) peut être placée contre les surfaces supérieures du volet osseux (36) et du crâne (38). L'organe d'extension (16; 116) s'étend depuis le premier organe de pinçage (12; 112) et s'insère entre le volet osseux (36) et le crâne (38). Le deuxième organe de pinçage (14; 114) comporte une ouverture traversante (32; 132) pour accueillir l'organe d'extension (16; 116). L'invention concerne aussi un butoir (52; 152), formé par la déformation mécanique de l'organe d'extension (16; 116) à n'importe quel endroit de sa longueur et adjacent à la surface externe (30; 130) du deuxième organe de pinçage (14; 114), qui fixe l'organe de pinçage (12; 112) contre le volet osseux (36) et le crâne (38).

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