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Patient interface for ophthalmologic diagnostic and interventional procedures

  • US 8,863,749 B2
  • Filed: 10/21/2011
  • Issued: 10/21/2014
  • Est. Priority Date: 10/21/2011
  • Status: Active Grant
First Claim
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1. A method for interfacing an ophthalmic intervention system with an eye of a patient, comprising:

  • a. placing a patient interface assembly comprising a housing, an optical lens coupled to the housing, and an eye engagement assembly coupled to the housing, the eye engagement assembly comprising an inner seal and an outer seal, into contact with the eye of the patient by sealably engaging the eye with the inner and outer seals in a vacuum zone defined between the inner and outer seals;

    b. applying a vacuum load between the inner and outer seals to engage the eye using the vacuum load; and

    c. physically limiting an amount of distension of the eye in the vacuum zone,wherein physically limiting an amount of distension comprises providing a tissue migration bolster structure configured to be positioned between the inner and outer seals and to apply a resisting load against portions of the eye in the vacuum zone which may distend upon application of the vacuum load.

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