Surgical retractor elements and assembly

Details Surgical retractor elements and assembly Surgical retractor elements and assembly

A - Human Necessities

61

B

128/4

A61B 1/32 (2006.01)

Patent

CA 1202851

Abstract Surgical retractor elements and assemblies are described for holding open a surgical incision to expose the surgical area and to keep uninvolved tissues away from the surgical area without causing undue trauma to the engaged tissues. A self-retaining form includes a ring 120 and a plurality of paddle assemblies 122 angularly spaced about the ring 120 for engaging and holding back uninvolved tissues. The paddle assemblies 122 have arms 140 that slide radially through a slot 129 in the ring 120. Each of the retractor assemblies includes a paddle 142 of a soft, resilient flexible material for flexing to prevent stress concentrations. The paddles 142 have a flexural modulus of elasticity between 1,000 psi and 75,000 psi. One form of paddle 142 is provided to slidably fit over the existing blade of a hand-held retractor. Another form of assembly includes a soft, resilient paddle mounted to a hand-held handle frame. The handle includes two angularly offset gripping sections that can be comfortably gripped and held by an assistant for long periods of time.

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