双层屏障双腔PICC导管防污套件

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By designing a double-barrier, double-lumen PICC catheter anti-fouling kit, which uses fixed and movable protective covers to seal the catheter in contact with the skin, the problem of PICC catheters being easily contaminated is solved, and the antibacterial and anti-fouling effects are improved.

CN224506000UActive Publication Date: 2026-07-17CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL HAINAN HOSPITAL

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL HAINAN HOSPITAL
Filing Date: 2025-02-28
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

The connection point between the PICC catheter and the skin is susceptible to external contaminants, leading to a high risk of infection. Existing technologies are insufficient to effectively prevent cross-contamination.

Method used

The design incorporates a dual-barrier dual-lumen PICC catheter anti-fouling kit, including a dual-lumen PICC catheter assembly and an anti-fouling shield assembly. It utilizes fixed and movable shields to seal the catheter at the skin contact point, combined with flexible snaps and a sealing structure to prevent contaminants from entering.

Benefits of technology

It improves the antibacterial effect at the point of contact between the catheter and the skin, reduces the risk of cross-contamination, and ensures the safety and reliability of the infusion channel.

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Abstract

本实用新型公开了双层屏障双腔PICC导管防污套件，包括双腔PICC导管组件和防污罩组件，所述双腔PICC导管组件包括输送管和汇流管，所述防污罩组件包括固定位防护罩和活动位防护罩；其中输送管包括两个第一导管，两个所述第一导管的末端配合连接汇流管；其中活动位防护罩转动连接在固定位防护罩的外壁上，固定位防护罩和活动位防护罩配合对双腔PICC导管组件进行密封防污，涉及医疗器械技术领域，通过设置双腔PICC导管组件用于方便在对患者输送药物和营养液时，能够选用不同的第一导管进行输送，从而避免药物和营养液在输送端口处发生交叉污染，通过设置同一根汇流管，方便给进药物、营养液，同时方便通过生理盐水进行冲洗。

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Claims

1. A dual barrier dual lumen PICC catheter antiseptic kit comprising a dual lumen PICC catheter assembly and an antiseptic shield assembly, characterized in that, The dual-lumen PICC catheter assembly includes a delivery tube and a manifold (210), and the anti-fouling cover assembly includes a fixed-position protective cover (300) and a movable-position protective cover (350). The delivery pipe includes two first conduits (200), the ends of which are connected to a manifold (210). The movable protective cover (350) is rotatably connected to the outer wall of the fixed protective cover (300). The fixed protective cover (300) and the movable protective cover (350) work together to seal and prevent contamination of the dual-lumen PICC catheter assembly.

2. The dual barrier dual lumen PICC catheter antimicrobial suite of claim 1, wherein, The manifold (210) and the two first catheters (200) are arranged in a Y-shape. The manifold (210) is used to insert into the vein to deliver drugs. The input end of the first catheter (200) is connected to the connector (220). The inner wall of the connector (220) is connected to the inner wall of the first catheter (200).

3. The dual barrier dual lumen PICC catheter antimicrobial suite of claim 2, wherein, The connecting pipe (220) is tapered, and the outer wall of the connecting pipe (220) is provided with a tube clamp elastic buckle (230). A handle (231) is fixedly installed on the outer wall of the elastic buckle (230), and a sealing port (240) is installed by inserting into the inner wall of the connecting pipe (220).

4. The dual barrier dual lumen PICC catheter antimicrobial suite of claim 3, wherein, A limiting ring (241) is fixedly installed on the outer wall of the sealing port (240). The limiting ring (241) is engaged with the elastic buckle (230). The bottom end of the sealing port (240) is engaged with the inner wall of the connecting pipe (220) for sealing connection.

5. The dual barrier dual lumen PICC catheter antimicrobial suite of claim 4, wherein, The outer wall of the sealing port (240) is connected to the sealing cover (243) by an elastic pull rope (244), and the sealing cover (243) is connected to the inner wall of the end of the sealing port (240) in a sealed plug-in connection.

6. The dual barrier dual lumen PICC catheter antimicrobial suite of claim 5, wherein, The outer wall of the sealing cover (243) is fixedly installed with a handle (245), and the inner wall of the sealing port (240) is fixedly installed with a sealing plug (242). The inner wall of the sealing plug (242) is provided with a self-sealing pinhole.

7. The dual barrier dual lumen PICC catheter antimicrobial suite of claim 1, wherein, A baffle (310) is fixedly installed on the inner wall of the fixed position protective cover (300), and a positioning plate (100) is inserted into the inner wall of the baffle (310). The first conduit (200) is installed on the positioning plate (100).

8. The dual barrier dual lumen PICC catheter antimicrobial suite of claim 7, wherein, The bottom outer wall of the fixed position protective cover (300) is provided with a skirt (320), the bottom outer wall of the skirt (320) is provided with a sealing gasket (330), the outside of the sealing gasket (330) is provided with pressure-sensitive adhesive (340) that adheres to the skin, and the front outer wall of the fixed position protective cover (300) is provided with a notch (360).

9. The dual barrier dual lumen PICC catheter antimicrobial suite of claim 8, wherein, The first conduit (200) extends through the inner wall of the fixed position protective cover (300) to the inside of the movable position protective cover (350). The fixed position protective cover (300) is provided with a second skirt (351) around its perimeter. The second skirt (351) is bonded and sealed to the skin by pressure-sensitive adhesive.