Pulmonary suction catheter

  • US 5,496,287 A
  • Filed: 07/05/1994
  • Issued: 03/05/1996
  • Est. Priority Date: 07/05/1994
  • Status: Expired due to Term
First Claim
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1. Apparatus for use in treating a pulmonary patient comprisinga valve having a valve body,a first horizontal path through said valve body having a first end and a second end, said first end having means foe coupling to a patient and said second end having means for coupling to a source of suction,a source of suction coupled to said second end of said first horizontal path,a second vertical path through said valve body having an upper end and a lower end,a solid slidable plunger in said vertical path in said valve body, said plunger having an upper end and a lower end and a through hole between its upper and its lower end which can be aligned with said horizontal path through said valve body in one position thereof and can be moved out of alignment with said valve body in a second position thereof, and in sais second position, the solid lower end of said plunger blocking said first end of said first horizontal path through said valve body which goes to a patient,the solid lower end of said plunger having an auxiliary opening which is aligned with and communicates with said second end of said first horizontal path through said valve body and with said source of suction connected thereto when said plunger is in said second position whereby said source of suction communicates with said auxiliary opening in said lower end of said plunger and with the atmosphere with which it communicates, andmeans coupled to said plunger for sliding it up and down, said means being positioned in and blocking said upper end of said vertical path through said valve body.

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