Back to results
US 2026/0144919 A1Published application
Filter device
AssigneeTerumo Kabushiki Kaisha
InventorNaoki IIDA
Life of this patent
Estimating the term…
Abstract
A filter device according to the present invention is to be mounted on a centrifugal separator and includes: a first space into which blood flows; a second space from which the blood flows out; a partition wall separating the first space and the second space; a communication port establishing communication between the first space and the second space; and a white-blood-cell removal filter disposed in the second space. The second space is located between the first space and a rotation center of the centrifugal separator.
Claims20
A filter device to be mounted on a centrifugal separator, the filter device comprising:
- a first space which is formed in a housing and into which blood flows through an inlet port;
- a second space which is formed in the housing and from which the blood flows out through an outlet port;
- a partition wall that separates the first space and the second space;
- a communication port that establishes communication between the first space and the second space;
- and
- a white-blood-cell removal filter that is disposed in the second space and that removes a white blood cell contained in the blood, wherein the second space is located between the first space and a rotation center of the centrifugal separator.
3 more elements
A filter device, comprising:
- a housing, comprising:
- a first interior space formed inside the housing, the first interior space comprising an inlet port arranged in fluid communication with the first interior space and a curved interior wall arranged opposite the inlet port;
- a second interior space formed inside the housing, the second interior space comprising an outlet port arranged in fluid communication with the second interior space;
- a partition wall arranged between the first interior space and the second interior space, wherein the partition wall separates the first interior space from the second interior space;
- and
- a communication port disposed in the partition wall, the communication port arranged in fluid communication with the first interior space and the second interior space;
- wherein a centrifugal blood flow path is defined by the housing as extending from the inlet port in a centrifugal direction toward the curved interior wall, following around the curved interior wall in the first interior space and then in a centripetal direction toward the communication port, through the communication port and into the second interior space, and out of the outlet port in the centripetal direction, wherein the centripetal direction is arranged opposite the centrifugal direction.
4 more elements
A filter device, comprising:
- a housing, comprising:
- a first interior space formed inside the housing, the first interior space comprising an inlet port arranged in fluid communication with the first interior space and a curved interior wall arranged opposite the inlet port;
- a second interior space formed inside the housing, the second interior space comprising an outlet port arranged in fluid communication with the second interior space;
- a partition wall arranged between the first interior space and the second interior space, wherein the partition wall separates the first interior space from the second interior space;
- a communication port disposed in the partition wall, the communication port arranged in fluid communication with the first interior space and the second interior space;
- and
- a white-blood-cell removal filter disposed in the second interior space, wherein the white-blood-cell removal filter comprises a filter medium that is configured to remove white blood cells from a portion of blood flowing through the white-blood-cell removal filter;
- wherein a centrifugal blood flow path is defined by the housing as extending from the inlet port in a centrifugal direction toward the curved interior wall, following around the curved interior wall in the first interior space and then in a centripetal direction toward the communication port, through the communication port and into the second interior space, and out of the outlet port in the centripetal direction, wherein the centripetal direction is arranged opposite the centrifugal direction.
5 more elements
Dependencies are inferred from the claim text.