Medical filter device

JP2026097536AInactive Publication Date: 2026-06-16NIKKISO CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
NIKKISO CO LTD
Filing Date
2024-12-04
Publication Date
2026-06-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

To provide a medical filter device and a medical joint that can suppress damage to the joint due to misalignment. [Solution] The medical filter device 1 comprises a filter 2 having a first joint 11 for connecting a flow path through which the liquid to be filtered flows, a holder 3 having a second joint 12 to which the flow path is connected, and a holding mechanism 33 that holds the tip portions of the first joint 11 and the second joint 12 together when the filter 2 is installed, and a sealing member 13 provided to cover at least one of the tip portions of the first and second joint portions 11 and 12.
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Claims

1. A filtration filter having a first joint for connecting a flow path through which the liquid to be filtered flows, A holder having a second joint to which the flow path is connected, and a holding mechanism that holds the first joint and the second joint in a state where their tips are abutted together when the filter is attached, A sealing member provided to cover at least one of the tip portions of the first and second joint portions, Medical filter device.

2. The sealing member is provided so as to cover the tip of the first joint portion. A medical filter device according to claim 1.

3. The first joint portion has an engaging portion that engages with the sealing member, The medical filter device according to claim 2.

4. The sealing member has an inner cylindrical portion provided along the inner circumferential surface of the first joint portion. The medical filter device according to claim 2.

5. The sealing member has an outer cylindrical portion provided along the outer circumferential surface of the first joint portion. The medical filter device according to claim 2.

6. The outer circumferential surface of the sealing member is formed in a tapered or curved shape such that the diameter of the outer circumferential surface gradually decreases toward the tip side. The sealing member is configured such that when the tips of the first joint and the second joint are brought together, the tip of the sealing member is inserted into the second joint. The medical filter device according to claim 2.

7. The inner circumferential surface of the sealing member is formed in a tapered or curved shape such that the diameter of the inner circumferential surface gradually increases toward the tip side. When the tips of the first joint and the second joint are brought together, the tip of the second joint is configured to be inserted into the sealing member. The medical filter device according to claim 2.

8. A medical fitting that connects fluid-flowing channels, A first joint portion is provided at one end of the aforementioned flow path, A second joint portion is provided at the end of the other flow path, A holding mechanism that holds the first joint and the second joint in a butted position, A sealing member provided to cover at least one of the tip portions of the first and second joint portions, Medical fittings.