一种PICC置管用防水护套

By designing a waterproof sheath with an outer ring and an inner retainer ring, the problem of the catheter getting wet after PICC placement is solved, improving sealing and comfort, and reducing the risk of infection.

CN224505672UActive Publication Date: 2026-07-17JINGMEN PEOPLES HOSPITAL (CENT HOSPITAL AFFILIATED TO JINGCHU INST OF TECH)

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINGMEN PEOPLES HOSPITAL (CENT HOSPITAL AFFILIATED TO JINGCHU INST OF TECH)
Filing Date
2025-03-31
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

After PICC placement, the exposed catheter is easily wetted, leading to infection risks, and existing waterproofing measures are inconvenient to use.

Method used

A waterproof sleeve was designed, comprising an outer ring, an inner retaining ring, and an elastic waterproof sleeve. The elastic waterproof sleeve has an adjustable opening size, and a seal is achieved through the cooperation of the inner retaining ring and the outer ring, preventing water droplets from wetting the tube during washing and care.

Benefits of technology

It effectively seals the PICC insertion site, preventing water droplet contact, improving user comfort and sealing, and reducing the risk of infection.

✦ Generated by Eureka AI based on patent content.

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Abstract

一种PICC置管用防水护套,包括外套环(1)、内卡环(2)和弹性防水套(3),弹性防水套(3)为中部直径大两端直径小的橄榄型结构,所述弹性防水套(3)的两端均设有一组环状撕裂压痕(4),弹性防水套(3)的顶部一端通过内卡环(2)可拆卸卡接在外套环(1)内。本实用新型优点是:外套环和内卡环配合撑开并固定弹性防水套的一端,便于快速的套在PICC置管穿刺部位,弹性防水套能够有效的对PICC置管穿刺部位进行密封,防止洗护过程中打湿,同时,弹性防水套两端的开口大小可根据患者肢体粗细进行扩大,提高密封性和舒适性。
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Claims

1. A waterproof sheath for a PICC line, characterized by It includes an outer ring (1), an inner retaining ring (2) and an elastic waterproof sleeve (3). The elastic waterproof sleeve (3) is an olive-shaped structure with a large diameter in the middle and a small diameter at both ends. Both ends of the elastic waterproof sleeve (3) are provided with a set of annular tear indentations (4). The top end of the elastic waterproof sleeve (3) is detachably snapped into the outer ring (1) through the inner retaining ring (2).

2. The waterproof sheath for PICC catheter of claim 1, wherein The diameter of the top end of the elastic waterproof sleeve (3) is larger than the diameter of the bottom end.

3. The waterproof sheath for PICC catheter of claim 1, wherein The spacing between two adjacent annular tear indentations (4) is 8-10 mm, and a size mark is provided on one side of the annular tear indentation (4).

4. The waterproof sheath for PICC catheterization according to any one of claims 1 to 3, characterized in that The elastic waterproof sleeve (3) is a transparent silicone sleeve.

5. The waterproof sheath for PICC catheter of claim 1, wherein The inner retaining ring (2) has an annular retaining platform (5) on its outer side. The inner bottom end of the outer ring (1) has an inner open ring mounting groove, and an annular locking groove that cooperates with the annular retaining platform (5) is provided in the inner open ring mounting groove. The inner retaining ring (2) can be detachably inserted into the inner bottom end of the outer ring (1). The elastic waterproof sleeve (3) is located between the inner retaining ring (2) and the outer ring (1), and is locked by the inner retaining ring (2) and the outer ring (1).

6. The waterproof sheath for PICC catheter of claim 5, wherein An opening hole is provided on the outer ring (1), and an opening button (6) is provided in the opening hole. One end of the opening button (6) extends into the inner side of the outer ring (1) and is located on one side of the inner ring (2).

7. The waterproof sheath for PICC catheter of claim 1, wherein The top end of the outer ring (1) is provided with a top cover (7), and the bottom end of the outer ring (1) is provided with a bottom cover (8). The top cover (7) and the bottom cover (8) are movably inserted into the outer ring (1).

8. The waterproof sheath for PICC catheter of claim 1, wherein Locking protrusions (9) are provided on the outer walls of the top and bottom ends of the outer ring (1), and locking grooves (10) that cooperate with the locking protrusions (9) are provided on the inner sides of the top cover (7) and the bottom cover (8).