Multilumen filter

Multilumen filter

  • CN 1,613,520 A
  • Filed: 10/30/1997
  • Published: 05/11/2005
  • Est. Priority Date: 11/18/1996
  • Status: Active Grant
First Claim
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1. the multi-cavity 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 integral filters housing 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,One first filtration facility is arranged in described first filter chamber, one second filtration facility is arranged in described second filter chamber,At the near-end of described integral filters housing, described filter housings has a near-end first tube chamber and a near-end second tube chamber, and described near-end first tube chamber constitutes a near-end aspiration fluid passage, and described near-end second tube chamber constitutes a near-end expiration fluid passage;

    Described near-end first tube chamber is communicated with described first filter chamber'"'"'s fluid, and described near-end second tube chamber is communicated with described second filter chamber'"'"'s fluid, andFar-end at described integral filters housing, described filter housings has a far-end first tube chamber and a far-end second tube chamber, described far-end first tube chamber constitutes a far-end aspiration fluid passage and is communicated with described first filter chamber'"'"'s fluid, and described far-end second tube chamber constitutes a far-end expiration fluid passage and be communicated with described second filter chamber'"'"'s fluid, wherein, flow through the fluid between described near-end first tube chamber and described far-end first tube chamber, must flow through first filtration facility in described first filter chamber, and flow through fluid between described near-end second tube chamber and described far-end second tube chamber, must flow through second filtration facility in described second filter chamber, described air-breathing independent separately with the expiration fluid passage, when described defecator operationally links to each other with the auxiliary ventilation device, it is independent that these two fluid passages still keep between described filtration facility and auxiliary ventilation device, and be enough to provide ventilation auxiliary to patient.

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