Damru washer (also knowed s a damroo washer) is a critical reusable surgical accessory designed for advanced fluid control en endoscopic procedures. Engineered with an hourglass (waisted) geometry, it serves as a high-performance waterproof endoscope sealing cap to ensure zero-leakage and superior contamination prevention during complex surgeries. Whether used in urological, laparoscopic, or hysteroscopic instruments, Damru washers provide a reliable interface between the instrument and the fluid port, maintaining a sterile environment and consistent intra-cavity pressure.
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Damru Washer
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Damru Washer
Damru washer (also named damroo washer) is a critical reusable surgical accessory designed for advanced fluid control endoscopic procedures. Featuring a distinctive hourglass geometry, the waterproof endoscope sealing cap delivers a waterproof, leak-proof seal. It performs flawlessly under pressure. Compatible with urological, laparoscopic, and hysteroscopic instruments, these medical-grade damru washers ensure a reliable fluid-port connection. They keep the surgical site clean. They also stabilize intra-cavity pressure -consistently and dependably.

Key Features & Benefits
Damru washers are essential component for a wide range of endoscopy instruments.
Precison Fluid Control Seal: specifically designed for surgical hysteroscopy damru washer applications, providing a perfect seal
that prevents backflow even during instrument manipulation.
Biocompatible LSR Construction: Manufactured using 100% medical-grade liquid silicone rubber (LSR). It is non-toxic, latex-free,
and compliant with ISO 10993 standards.
Multi-Brand Adaptation: Fully compatible with a wide range of reusable trocar cannulas from leading brands.
Contamination Prevention: The seamless surface eliminates areas where bacteria can hide, ensuring easy sterilization and patient safety.
Autoclavable & Reusable : Withstands repeated steam sterilization (up to 134 degree) without losing elasticity or sealing
integrity, making it a cost-effective solution for hospitals.
Specification | Details |
Product Name | Damru Washer/Damroo Washer |
Primary Use | Waterproof endoscope sealing cap/ fluid control seal |
Material | Medical-grade Liquid Silicone Rubber (LSR) |
Hardness | 40-70 Shore A (Customizable) |
| Application Fields | Urology, Laparoscopy,Cystoscopy, Hysteroscopy, Endoscopy |
Our Advantages
As a specialist in LSR molding field, we understand the high standard requirements of the medical industry.
Precision finished sealing surface: each damru washer undergoes a rigorous finishing process to ensure the functional "waist" profile is smooth and consistent. This attention to detail ensures an optimal waterproof seal, preventing leaks during instrument manipulation.
Cleanroom Manufacturing: All surgical accessories are produced in a Class 100,000 cleanroom to prevent particular contamination.
OEM/ODM Service: We can customize the dimensions and hardness to match specific brands like surgical Krishna damru washer or
other proprietary fluid control designs.
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