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Collection container for ophthalmic surgical system

  • US 4,773,897 A
  • Filed: 11/06/1986
  • Issued: 09/27/1988
  • Est. Priority Date: 11/06/1986
  • Status: Expired due to Term
First Claim
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1. A microsurgical cassette for use in a vacuum operated microsurgical system having an aspirating instrument, comprising:

  • a plurality of interconnected vessel walls forming a fluid containment vessel having an interior;

    an aspiration port disposed in a first wall portion and communicating between said wall portion and said vessel interior;

    a vaccum port disposed in one of said vessel walls and communicating with said vessel interior for introducing a vacuum into said interior;

    a coupler member having a first means for communicatiang with said aspiration port and having a second means for communicating with said aspirating instrument of said microsurgical system;

    said coupler member having an internal passageway extending and communicating between said first and second means;

    at least a portion of said coupler member through which said passageway extends being made of a resilient and deformable plastic material, the deformation of said coupler portion being capable of closing said passageway and thereby controlling the flow of aspiration fluid; and

    wherein one of said vessel walls defines a recess which extends below the plane of said one vessel wall and said coupler member has a top surface which lies generally flush with the plane of said one vessel wall, when said coupler member is fit within said recess.

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