Xiamen Better Silicone Rubber Co., Ltd

Silicone Injection Molding

LSR Mold Manufacturer

We make liquid injection molding and manufacture different kinds of liquid silicone rubber molded parts for medical device, sanitary & bathroom products, electrical products, cosmetics, automotive and machines parts etc. Our team also can offer LSR products parts moldabilities & over-molded manufacturabilities analysis or design support etc.

Contact Us

E-mail : info@lsr-molding.com
Add: No. 331, Siming Park, Tongan Industrial Cluster Zone, Tongan District, Xiamen City, Fujian Province, China 361100

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Trocar Seal

Trocar seal also named as trocar seals, silicone trocar seal, trocar seal insert, medical grade silicone trocar seal and LSR injection molded trocar seal. In minimally invasive surgery, the trocar seal is a critical , high-precision component that secures the surgical safety. It directly determines both the stability of the pneumoperitoneum and the smoothness of instrument manipulation.

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  • Trocar Seal

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Trocar Seal

Trocar seal also named as silicone trocar seal, trocar seal insert, medical grade silicone trocar seal and LSR injection molded trocar seal.

In minimally invasive surgery, the trocar seal is a critical , high precision component that secures the surgical safety. It directly determines both the stability of the pneumoperitoneum and the smoothness of instrument manipulation.


laparoscopic instrument seal valve trocar seal insert


Material Selection


We manufacture trocar cannula silicone seals using medical-grade silicone like Wacker R401 silicone. Because its physical and chemical properties are  validated to meet ISO 10993 biological evaluation requirements for patient-contacting devices. High tear strength and elongation, allowing the silicone trocar  reducer seal  to flex around intruments of varying diameters while maintaining a gas-tight seal. As a leading trocar seal OEM manufacturer, we provide medical-grade trocar seals that are strictly

BPA-free and letex-free to ensure maximum patient safety.


              Property


          Standard Range Testing Method/Compliance

Material Base

100% Platinum-cured LSR/ Medical grade silicone ISO10993

Hardness (Durometer)


30- 50 Shore A ASTM D2240

Tear Strength


≥ 35 N/mm ASTM D624

Tensile Strength


≥ 9.0 Mpa ASTM D412
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Application Overview

Laparoscopic port seal silicone serve as the primary barrier to secure the surgical field. 


 Laparoscipic Surgery: Secures the primary sealing barrier inside the trocar. It elimiates CO2 leakage during rapid instrument exchange (gaspers, scissors, staplers), maintaining a consistent abdominal cavity and  a clear surgical field.


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PIC 15 logo 水印 laparoscopic instrument seal valve

Trocar Cannula & Robotic Assemblies: Acts as the primary seal inside the cannula head, optimized for both manual tools and robotic systems like DaVinci. It withstands high-frequency, multi-angle movements while providing ultra-low friction and long-lasting gas retention for immediate tactile feedback.

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Endoscopic & Diagnostic Procedures: Provides a dependable fluid and gas barrier for thoracoscopy, hysteroscopy, and arthroscopy, ensuring pressure stability across varying surgical media.


Micro-Invasive Interventions: Optimizes small-bore trocars used for pellet implantation or micro-incisions. The high-elasticity seal reduces tissue trauma and lowers the risk of post-operative complications like port-site hernias.


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Let's get a quote Today ! info@lsr-molding.com


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