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US 2026/0160355 A1Published application
Magnetic controlled valve with adjustable sealing region
AssigneeAlcon Inc.
InventorsBrian C. Patterson, Monica Jane Crary, Reed Allen Pifer, Stephen Paul Shannon, Allison Renee Campolo
Life of this patent
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Abstract
In some embodiments, a dispensing plug includes a fluid path having an inlet and an outlet. The dispensing plug also includes a valve adjustably disposed relative to the fluid path. The valve includes a first valve portion positioned in the fluid path between the inlet and the outlet. The valve also includes a second valve portion oriented to cause a first force to be exerted on the first valve portion. The first force biases the first valve portion toward closure of the fluid path.
Claims15
A dispensing plug valve comprising:
- a base at a first end;
- a tapered body coupled to the base, wherein the tapered body defines a tapered volume;
- a valve tip disposed at a second end;
- a retention region disposed between the tapered body and the valve tip;
- a magnet system disposed proximate to the valve tip in the retention region, the magnet system comprising a first magnet and a second magnet on opposite sides of the retention region;
- and
- a fluid path defined between the tapered volume and the valve tip within the retention region, wherein fluid exits the valve tip through the fluid path in response to a pressure within the tapered volume overcoming a magnetic biasing force, and wherein fluid is prevented from entering the tapered volume through the fluid path when the pressure within the tapered volume does not overcome the magnetic biasing force.
4 more elements
A system, comprising:
- a flexible container;
- and
- a dispensing plug compression- or friction-fit inside an opening of the flexible container, the dispensing plug comprising:
- a dispensing plug distal portion;
- a dispensing plug proximal portion;
- and
- a dispensing plug valve disposed between the dispensing plug distal portion and the dispensing plug proximal portion, the dispensing plug valve comprising:
- a base at a first end of the dispensing plug valve;
- a tapered body coupled to the base, wherein the tapered body defines a tapered volume;
- a valve tip disposed at a second end of the dispensing plug valve;
- a retention region disposed between the tapered body and the valve tip;
- a magnet system disposed proximate to the valve tip and retained in the retention region, the magnet system comprising a first magnet and a second magnet on opposite sides of the retention region;
- and
- a fluid path defined between the tapered volume and the valve tip within the retention region, wherein fluid exits the valve tip through the fluid path in response to exerting a pressure on an outer surface of a body of the flexible container to overcome a magnetic biasing force of the magnet system, and wherein fluid is substantially or completely prevented from entering the tapered volume through the fluid path when the pressure exerted on the outer surface of the body of the flexible container does not overcome the magnetic biasing force.
11 more elements
Dependencies are inferred from the claim text.