Multilumen filter

Multilumen filter

  • CN 1,613,520 B
  • Filed: 10/30/1997
  • Issued: 07/10/2013
  • Est. Priority Date: 11/18/1996
  • Status: Active Grant
First Claim
Patent Images

1. the multitube shape conduit defecator together with the breathing circuit instrument use of single branch is used for suction gas being provided and receiving breath from it to patient, comprises:

  • One has the filter housings of a near-end and a far-end, and one first filter chamber and one second filter chamber are arranged in the described filter housings,Described filter housings comprises inner housing and shell body, and wherein inner housing and shell body nest together;

    Wherein said inner housing is made up of near-end first tube-shaped catheter and far-end first tube-shaped catheter, and described shell body is made up of near-end second tube-shaped catheter and far-end second tube-shaped catheter simultaneously;

    Described first filter chamber is indoor one first filtration facility, and described second filter chamber is indoor one second filtration facility,At the near-end of described filter housings, described near-end first tube-shaped catheter and described near-end second tube-shaped catheter nest together;

    Described near-end first tube-shaped catheter constitutes a near-end aspiration fluid passage, and described near-end second tube-shaped catheter constitutes a near-end expiration fluid passage;

    Described near-end first tube-shaped catheter is communicated with the described first filter chamber fluid, and described near-end second tube-shaped catheter is communicated with the described second filter chamber fluid, andAt the far-end of described filter housings, described far-end first tube-shaped catheter and described far-end second tube-shaped catheter nest together;

    Described far-end first tube-shaped catheter constitutes a far-end aspiration fluid passage and is communicated with the described first filter chamber fluid, and described far-end second tube-shaped catheter constitutes a far-end expiration fluid passage and be communicated with the described second filter chamber fluid, wherein, flow through the fluid between described near-end first tube-shaped catheter and described far-end first tube-shaped catheter, the first indoor filtration facility of described first filter chamber of must flowing through, and flow through fluid between described near-end second tube-shaped catheter and described far-end second tube-shaped catheter, the second indoor filtration facility of described second filter chamber of must flowing through, described air-breathing and expiration fluid passage be independence and be enough to provide ventilation auxiliary to patient separately.

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