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Respiratory accessory access port and adaptor therefore

  • US 5,343,857 A
  • Filed: 07/27/1993
  • Issued: 09/06/1994
  • Est. Priority Date: 04/24/1992
  • Status: Expired due to Term
First Claim
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1. A respiration system for use with respiration system accessories, comprising:

  • a manifold for connecting a patient to a ventilator circuit said manifold including an accessory access port,an adaptor for attachment to said manifold, said adaptor being formed of a generally hollow tubular member having a proximal end and a distal end, said distal end including a cylindrical central section sized to be received within said accessory port, andsaid accessory access port allowing attachment of said adaptor to said manifold, said accessory access port including a normally closed valve formed of a soft elastomeric material which is closed to fluid flow through said accessory access port when said adaptor is not present therein, said adaptor having means for forcing said valve to an open position to allow fluid flow through said accessory access port responsive to said cylindrical central section of said adaptor being positioned completely within said accessory access port, said valve completely surrounding any portion of said cylindrical central section of said adaptor in a sealing manner to seal against fluid flow between said accessory access port and the outside of said cylindrical central section whenever any portion of said cylindrical central section is positioned within said accessory access port.

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