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US 12,515,038 B2Granted
Flow enhancement for circulatory support device
AssigneeBoston Scientific Scimed, Inc.
InventorsJan Weber, Matthew Boyer
Life of this patent
Estimating the term…
Abstract
An inlet tube of a circulatory support device includes a first end configured to receive incoming blood and a second end coupled to a first end of a blood pump. A lumen extends from the first end to the second end, and a spiral feature is disposed within the lumen and configured to support a spiral flow of the incoming blood.
Claims19
A circulatory support device, comprising:
- a blood pump including a rotatable impeller configured to generate a flow of blood;
- an inlet tube having a first end configured to receive incoming blood and a second end coupled to a first end of the blood pump, the inlet tube comprising a lumen extending from the first end to the second end;
- and
- a spiral feature disposed within the lumen and having a curved blood-engaging surface that creates a spiral flow of the flow of blood toward the impeller.
1 more element
An inlet tube of a circulatory support device, comprising:
- a first end configured to receive incoming blood and a second end coupled to a first end of a blood pump;
- wherein the blood pump includes a rotatable impeller;
- a lumen extending from the first end to the second end;
- and
- a spiral feature disposed within the lumen and having a curved blood-engaging surface that creates a spiral flow of the incoming blood upstream of the impeller.
2 more elements
A circulatory support device, comprising:
- a blood pump including a rotatable impeller disposed within a housing;
- wherein the rotatable impeller is configured to generate a flow of blood from a blood inlet located upstream of the impeller with regard to the flow of blood to a blood outlet;
- and
- a spiral feature disposed between the blood inlet and the impeller, the spiral feature having a curved blood-engaging surface that creates a spiral flow of the flow of blood toward the impeller.
1 more element
Dependencies are inferred from the claim text.