from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. an object that partially or completely impedes the amount of light reaching the eye
  • n. an implement designed to temporarily block light to one eye
  • n. a catheter-delivered device that blocks a hole in the wall of a heart. Often the occluder is designed with an umbrella-type design and is folded up until the catheter arrives at the area of the defect in the heart. Once in place the occluder is unfolded on both sides of the defect so that pressure from both sides keeps it in place.


Sorry, no etymologies found.


  • Dr. Gillespie closed Morgan's ASD with a septal occluder, a wire-mesh patch, in a catheterization laboratory in the Cardiac Operative and Imaging Complex.

    Atrial Septal Defect -- Morgan

  • For instance, seeing distinct parts of a surface interrupted by an occluder leads to perceptual experience as of a single surface (imagine seeing a dog behind a picket fence).

    Auditory Perception

  • With perception of pictorial stimuli confined to one hemisphere by the scleral contact lens occluder developed by Eran Zaidel (38), the subject merely had to point to select items in a multiple choice array in answer to various kinds of leading questions regarding his or her knowledge and feelings concerning the content of the pictures.

    Roger W. Sperry - Nobel Lecture

  • We evaluated the effect of hyperbaric oxygen (HBO) therapy on neurological function and infarct size in 33 unanesthetized cats subjected to temporary 6-hour or 24-hour occlusion of the middle cerebral artery (MCA) 7 to 10 days after transorbital implantation of a vessel occluder. - Articles related to These old eyes

  • In the largest and longest trial yet of a device called the Amplatzer ductal occluder, a duct that s ...


  • The PFO occluder, introduced by a catheter or similar device, consisted of two discs -- one in each atrium -- and a thin middle section which occupied the gap in the atrial wall.

    The IPKat - Passionate about IP

  • He also talked about some of the simple instruments he's made for doing scientific data collection, such as the solar photo occluder rig found in Volume 17 and a sun photometer for measuring atmospheric haze, made from an LED turned into a spectrally-selective photodiode.

    MAKE Magazine

  • Build a simple occluder for your digital camera to shoot the sun's halo.

    MAKE Magazine

  • This dispute relates to the January 2007 patent infringement action against the company, filed by Medtronic, Inc., alleging that substantially all of AGA Medical's AMPLATZER (R) occluder and vascular plug devices infringe three of Medtronic's method and apparatus patents on shape memory alloy stents (U.S. Patent Nos. 5,190,546, 6,306,141 and



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