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Biocompatible Sapphire Endoscope Lens Scratch Resistant Medical Grade Optics
Product Specification
Place of Origin:
Guangdong, China
Brand Name:
ECER Optics
Certification:
ISO 9001:2015
Model Number:
EL-SAP-BIO
Minimum Order Quantity:
10 Pieces
Price:
USD 5-30 / Piece
Payment Terms:
T/T,PayPal,Western Union
Supply Ability:
50000 Pieces per Month
Product Details
Highlight:
Biocompatible Sapphire Lens
,Scratch Resistant Endoscope Optics
,Medical Grade Sapphire Rod
Product Name:
Biocompatible Sapphire Endoscope Lens
Application:
Minimally Invasive Surgery
Material:
Sapphire Al2O3 Crystal
Hardness:
Mohs 9
Biocompatibility:
ISO 10993 Compliant
Transmission:
>85% Visible Range
Surface Quality:
20-10 Scratch-Dig
Diameter:
1mm - 5mm Custom
Product Description
Biocompatible Sapphire Endoscope Lens Scratch Resistant Medical Grade Optics
This biocompatible sapphire endoscope lens is machined from single crystal sapphire, the hardest optical material used in medical devices today. With a Mohs hardness of 9, the sapphire endoscope lens resists scratches from surgical instruments, bone fragments, and abrasive cleaning tools that would permanently damage glass windows. The material is fully biocompatible and routinely used at the distal tip of endoscopes where the lens contacts tissue directly and must survive the harshest part of the instrument lifecycle.
Each medical grade sapphire rod lens is ground and polished to a 20-10 scratch-dig surface quality, then verified for dimensional accuracy and surface integrity. Sapphire transmits more than 85 percent across the visible range and offers outstanding chemical resistance to the disinfectants and cleaning agents used in operating rooms. This scratch resistant endoscope lens is available in diameters from 1mm to 5mm with custom lengths, and can be supplied with flat windows, rod geometries, or ball lens configurations for different optical functions. For device teams building minimally invasive surgery instruments, the sapphire endoscope lens eliminates the most common field failure: hazed and scratched distal optics.
Technical Specifications
| Product Name | Biocompatible Sapphire Endoscope Lens |
|---|---|
| Material | Sapphire Al2O3 Single Crystal |
| Hardness | Mohs 9 |
| Biocompatibility | ISO 10993 Compliant |
| Transmission | >85% Visible Range |
| Surface Quality | 20-10 Scratch-Dig |
| Diameter | 1mm - 5mm Custom |
| Chemical Resistance | Acid and Alkali Resistant |
| Application | Minimally Invasive Surgery |
| Certificate | RoHS Compliant, ISO 9001:2015 |
Key Advantages
- Mohs 9 hardness resists scratches from instruments and debris
- ISO 10993 biocompatible material is safe for tissue contact
- Superior chemical resistance to hospital disinfectants
- 20-10 surface quality preserves image clarity at the distal tip
- Withstands repeated cleaning without hazing or etching
- Ideal for distal windows, rod lenses, and ball lens applications
- Custom diameters from 1mm to 5mm match miniature instrument designs
- Long service life reduces replacement cost for reusable devices
Product Q&A
Why use sapphire instead of glass for an endoscope lens?
Sapphire is nearly nine times harder than typical optical glass, so it resists the scratches that occur when an endoscope tip contacts bone, teeth, or surgical tools. It also survives aggressive chemical cleaning and high temperature sterilization without hazing, which makes it the preferred material for distal windows in reusable instruments.
Is sapphire safe for direct tissue contact?
Yes. Sapphire is chemically inert and has a long history of use in implanted and tissue-contacting medical devices. Our sapphire endoscope lens material complies with ISO 10993 biocompatibility requirements, and we can provide material documentation for your regulatory file.
What transmission can I expect from a sapphire endoscope lens?
Polished sapphire transmits above 85 percent in the visible range without anti-reflective coating, and above 90 percent with an AR coating on both surfaces. Because sapphire is so hard, we apply a specialized coating process to ensure adhesion, and we verify durability with tape pull and abrasion tests.
Can you produce sapphire ball lenses for endoscope illumination?
Yes. In addition to rod and window geometries, we manufacture sapphire ball lenses from 0.5mm to 5mm diameter for illumination and image transfer at the endoscope tip. Ball lenses provide wide angle light collection in a compact form factor ideal for miniature instruments.
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