US 12,257,389 B2
Dual-connector wye piece
Madeleine Bess Martin, Auckland (NZ); and David Robert Kemps, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on May 6, 2022, as Appl. No. 17/662,404.
Application 17/662,404 is a continuation of application No. 16/178,485, filed on Nov. 1, 2018, granted, now 11,351,325.
Application 16/178,485 is a continuation of application No. 14/762,755, granted, now 10,143,818, issued on Dec. 4, 2018, previously published as PCT/NZ2014/000007, filed on Jan. 21, 2014.
Claims priority of provisional application 61/755,300, filed on Jan. 22, 2013.
Prior Publication US 2022/0339388 A1, Oct. 27, 2022
Int. Cl. A61M 16/08 (2006.01); A61M 16/00 (2006.01); A61M 16/12 (2006.01)
CPC A61M 16/0833 (2014.02) [A61M 16/0841 (2014.02); A61M 16/0858 (2014.02); A61M 2016/0027 (2013.01); A61M 16/12 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A wye connector comprising:
a patient coupling end;
an inspiratory connector end;
an expiratory connector end; and
a body extending between the patient coupling end, the inspiratory connector end, and the expiratory connector end, the body comprising:
a patient branch at the patient coupling end;
an inspiratory branch terminating at the inspiratory connector end, wherein the inspiratory branch comprises an inspiratory flow lumen having an inspiratory flow lumen axis;
an expiratory branch terminating at the expiratory connector end, wherein the expiratory branch comprises an expiratory flow lumen having an expiratory flow lumen axis, wherein the inspiratory flow lumen axis and the expiratory flow lumen axis are symmetrically disposed about an axis of the patient branch passing through the patient coupling end, wherein the inspiratory flow lumen axis and the axis of the patient branch form a first angle, wherein the expiratory flow lumen axis and the axis of the patient branch form a second angle, and wherein a sum of the first angle and the second angle is between about 2 degrees and about 30 degrees;
a merge region being configured to connect the inspiratory flow lumen, the expiratory flow lumen, and the patient branch, wherein the merge region comprises an intermediate lumen separated from the inspiratory flow lumen and the expiratory flow lumen by a wall; and
a medication introduction port disposed on a first end of the merge region opposite of a second end of the merge region, the second end of the merge region proximate to the patient branch, the first end of the merge region located between the inspiratory branch and the expiratory branch.