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Medical instrument

  • US 4,610,665 A
  • Filed: 01/03/1984
  • Issued: 09/09/1986
  • Est. Priority Date: 01/18/1983
  • Status: Expired due to Term
First Claim
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1. A medical instrument comprising:

  • a main body having a path extending therethrough, and wherein a rod-like member is insertable or drawable through said path; and

    a valve body provided in said path of the main body for maintaining at least a liquid-tight seal with said rod-like member when said valve body is opened by said rod-like member being passed through said valve body and through said path, and for closing said path at least in a liquid-tight state when said rod-like member is absent from said path, said valve body being made of a flexible and elastic material and being a single integral member;

    said valve body having two end faces in said path;

    said valve body further having a first slit openable in only one of said end faces and a second slit openable only in the other of said end faces, said first and second slits being oriented at an angle to each other;

    said first slit and said second slit each extending only partly through said valve body and crossing each other within said valve body, said first and second slits intersecting each other at points below or between said end faces of said valve body but not at said end faces of said valve body; and

    said rod-like member being insertable or drawable through said slits at the crossing of said slits.

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