Fabric Retraction Device and Method for Minimally Invasive Surgery
First Claim
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1. A retractor sleeve for providing access to a surgical site comprising:
- a sleeve assembly constructed from a fabric material to have a tubular cross section, said sleeve assembly including a base end, a central portion and a proximal portion, said base end including at least one anchor member secured to an outer surface of said fabric material, said at least one anchor member being constructed and arranged to provide engagement to tissue or bone surrounding a surgical site, whereby said base end of said sleeve assembly is securable at a desired location, said proximal portion securable outside of said surgical site, said central portion extending between said base portion and said proximal portion.
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Abstract
The present invention is directed to methods and instruments for performing tissue retraction in minimally invasive spinal surgery. Another specific application includes surgical methods performed through the percutaneously retracted tissue at any location in a patient'"'"'s body. The tissue retraction is provided by an elongated sleeve formed from fabric materials, which may include the ability to stretch beyond their original length along at least one axis, for passage of instruments or implants.
26 Citations
30 Claims
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1. A retractor sleeve for providing access to a surgical site comprising:
a sleeve assembly constructed from a fabric material to have a tubular cross section, said sleeve assembly including a base end, a central portion and a proximal portion, said base end including at least one anchor member secured to an outer surface of said fabric material, said at least one anchor member being constructed and arranged to provide engagement to tissue or bone surrounding a surgical site, whereby said base end of said sleeve assembly is securable at a desired location, said proximal portion securable outside of said surgical site, said central portion extending between said base portion and said proximal portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
Specification