Conduit with magnetic connector

1. A patient interface comprising:

a plenum chamber pressurisable to a therapeutic pressure of at least 6 cmH 2 O above ambient air pressure, said plenum chamber including a first plenum chamber inlet port and a second plenum chamber inlet port, each being sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient,

a seal-forming structure constructed and arranged to form a seal with a region of the patient's face surrounding an entrance to the patient's airways, said seal-forming structure having a hole therein such that the flow of air at said therapeutic pressure is delivered to at least an entrance to the patient's nares, the seal-forming structure constructed and arranged to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use;

a positioning and stabilising structure to provide a force to hold the seal-forming structure in a therapeutically effective position on the patient's head, the positioning and stabilising structure comprising a tie, the tie being constructed and arranged so that at least a portion overlies a region of the patient's head superior to an otobasion superior of the patient's head in use; and

wherein the first plenum chamber inlet port includes a first plenum chamber magnet with a first polarity and the second plenum chamber inlet port includes a second plenum chamber magnet with a second polarity;

wherein the positioning and stabilising structure includes a headgear conduit for directing air to the patient's nares at the therapeutic pressure, the positioning and stabilising structure comprising a first conduit connector assembly and a second conduit connector assembly, the first conduit connector assembly including a first connector magnet with the second polarity and a second connector magnet with the first polarity;

wherein the first plenum chamber magnet is attracted to the first connector magnet and the first plenum chamber magnet repels the second connector magnet, and wherein the second plenum chamber magnet is attracted to the second connector magnet and the second plenum chamber magnet repels the first connector magnet; and

wherein air is configured to pass from the first conduit connector assembly through the first plenum chamber inlet port and air is also configured to pass from the second conduit connector assembly through the second plenum chamber inlet port.

2. The patient interface according to claim 1 , wherein the plenum chamber includes a first retention member receptor and a second retention member receptor, the first conduit connector assembly configured to engage with the first retention member receptor and the second conduit connector assembly configured to engage with the second retention member receptor, wherein when the first conduit connector assembly is engaged with the first retention member receptor and the second conduit connector assembly is engaged with the second retention member receptor, the plenum chamber is secured by the first conduit connector assembly and the second conduit connector assembly and is configured to receive air through the first conduit connector assembly and the second conduit connector assembly.

3. The patient interface according to claim 1 , wherein the first conduit connector assembly includes a retention member, wherein the retention member is configured to engage with a first retention member receptor of the plenum chamber such that when the retention member is engaged with the first retention member receptor of the plenum chamber the first conduit connector assembly is restricted from laterally moving in a first direction within a plane and is permitted to laterally move in an opposite second direction within the plane.

4. The patient interface according to claim 1 , wherein the first conduit connector assembly includes a first connector opening, and when the first conduit connector assembly is arranged against the plenum chamber the first conduit connector assembly is permitted to freely rotate about an axis that extends through the first plenum chamber inlet port and the first connector opening.

5. The patient interface according to claim 1 , wherein the first conduit connector assembly includes a first connector opening that is surrounded by the first connector magnet, wherein a magnetic field between the first connector magnet and the first plenum chamber magnet self-aligns the first connector opening with the first plenum chamber inlet port.

6. The patient interface according to claim 1 , wherein a seal forming material is located between the first plenum chamber magnet and the first connector magnet such that an air-tight seal is formed between the first plenum chamber magnet and the first connector magnet.

7. A patient interface comprising:

a plenum chamber pressurisable to a therapeutic pressure of at least 6 cmH 2 O above ambient air pressure, said plenum chamber including a plenum chamber inlet port sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient,

a seal-forming structure constructed and arranged to form a seal with a region of the patient's face surrounding an entrance to the patient's airways, said seal-forming structure having a hole therein such that the flow of air at said therapeutic pressure is delivered to at least an entrance to the patient's nares, the seal-forming structure constructed and arranged to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use;

a positioning and stabilising structure to provide a force to hold the seal-forming structure in a therapeutically effective position on the patient's head;

the positioning and stabilising structure including a conduit connector assembly configured to deliver the flow of air at the therapeutic pressure, the conduit connector assembly including a connector opening,

wherein the conduit connector assembly forms a tie configured to transfer tension force from the positioning and stabilising structure to the plenum chamber, causing the seal forming structure to press against the face of the patient; and

wherein the plenum chamber and the conduit connector assembly are attracted to each other through a magnetic force, and

wherein a sealed connection is formed between the plenum chamber and the conduit connector assembly such that air is configured to pass through the connector opening and the plenum chamber inlet port.

8. The patient interface according to claim 7 , wherein the conduit connector assembly includes a retention member receptor, the retention member receptor includes a groove for receiving a plenum magnet, wherein the plenum magnet is secured between the retention member receptor and a surface of the plenum chamber.

9. The patient interface according to any claim 8 , wherein the plenum chamber includes a retention member, wherein the retention member receptor includes an inwardly tapered outer wall, wherein retention member is inwardly angled so as to lie flush against the inward tapered outer wall of the retention member receptor.

10. The patient interface according to claim 9 , wherein in a first orientation the conduit connector assembly is restricted from movement by the retention member pressing against the retention member receptor in a first direction along a plane, and is permitted to move in an opposite second direction along the plane in the first orientation.

11. The patient interface according to claim 9 , further comprising a seal, wherein the seal is formed between the retention member and the retention member receptor.

12. The patient interface according to claim 9 , wherein the retention member is separate component from the plenum chamber.

13. The patient interface according to claim 9 , wherein the retention member is integrally formed with the plenum chamber.

14. The patient interface according to claim 9 , wherein the retention member receptor and the retention member are magnetically attracted to each other.

15. The patient interface according to claim 8 , wherein the retention member receptor is formed of elastomeric material.

16. The patient interface according to claim 8 , wherein when the conduit connector assembly is engaged with the retention member receptor the conduit connector assembly is freely rotatable about an axis that extends through the plenum chamber inlet port and the connector opening while maintaining the seal between the plenum chamber and the conduit connector assembly.

17. The patient interface according to claim 7 , wherein the positioning and stabilising structure includes a second conduit connector assembly with a second connector opening and the plenum chamber includes a second plenum chamber inlet port, wherein the second conduit connector assembly is configured to engage with the plenum chamber, and wherein air is configured to pass through the second connector opening and the second plenum chamber inlet port.

18. The patient interface according to claim 7 , wherein the plenum chamber is attached to the positioning and stabilising structure only by the conduit connector assembly and a second conduit connector assembly.

19. The patient interface according to claim 7 , wherein the patient interface is configured to allow the patient to breath from ambient through their mouth in the absence of a flow of pressurised air through the plenum chamber inlet port, or the patient interface is configured to leave the patient's mouth uncovered.

20. The patient interface according to claim 7 , wherein the plenum chamber and seal-forming structure are integrally formed.

21. The patient interface according to claim 7 , wherein the plenum chamber and the seal-forming structure are formed of the same material.