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Surgical retractors

  • US 10,398,299 B2
  • Filed: 07/13/2015
  • Issued: 09/03/2019
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A surgical retractor device, comprising:

  • an elongate retractor shaft having a proximal end with a handle portion and a distal end having a blunt retraction tip configured to manipulate tissue within a body;

    a lumen extending at least partially through the distal end of the elongate retractor shaft, wherein the lumen extends into at least one aperture formed at a convex surface of the elongate retractor shaft;

    an illumination source disposed in the at least one aperture and configured to illuminate tissue;

    a sensor disposed on the retraction tip and configured to sense at least one physiological parameter of tissue being manipulated by the retraction tip; and

    a signal processor disposed in the elongate retractor shaft;

    wherein, when a parameter monitored by the sensor is outside a preset range, the signal processor is configured to activate the illumination source to alert a user.

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