Roundfin Histopathology Biopsy Foam Pad
1. Medical-grade polyurethane foam — high-density, non-reactive material compatible with all standard histology processing reagents (formalin, xylene, ethanol, paraffin)
2. Open-cell structure allows optimal reagent penetration during tissue processing while securely holding small biopsy specimens in place
3. Available in multiple sizes and thicknesses to accommodate various cassette dimensions and biopsy specimen types
4. Pre-cut pads in standard 30 x 25 mm cassette format; custom sizes and shapes available for OEM orders
5. Packaged in resealable bags of 500-1000 pads to maintain cleanliness and prevent dust contamination
6. CE marked; manufactured under ISO 13485 standards for clinical histopathology laboratory use
Product Overview
Roundfin Histopathology Biopsy Foam Pads are medical-grade polyurethane foam inserts designed to securely hold small biopsy specimens within tissue processing cassettes. The open-cell foam structure ensures optimal reagent penetration during fixation, dehydration, clearing, and paraffin infiltration while preventing specimen loss or damage. These non-reactive pads are compatible with all standard histology processing reagents and automated tissue processors.
Roundfin Histopathology Biopsy Foam Pad
Key Takeaway: Roundfin Biopsy Foam Pads — Roundfin quality, CE marked, ISO 13485 certified. Worldwide shipping with bulk pricing and OEM/ODM customization available for institutional procurement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | Medical-grade polyurethane foam, non-reactive formulation |
| Cell Structure | Open-cell for maximum reagent penetration and drainage |
| Standard Size | 30 x 25 mm (fits standard histology cassettes) |
| Thickness Options | 1.5 mm, 2.0 mm, 3.0 mm (to match biopsy specimen thickness) |
| Chemical Compatibility | Formalin, xylene, ethanol, isopropanol, paraffin wax, all standard histology reagents |
| Packaging | 500 or 1000 pads per resealable bag; bulk packs available |
| Temperature Range | Compatible with paraffin infiltration temperatures up to 65°C |
| Certifications | CE marked; ISO 13485 |
Key Features
- Medical-Grade Polyurethane — Non-reactive, high-density foam specifically formulated for histology applications; does not leach chemicals or interfere with tissue staining.
- Open-Cell Reagent Flow — Optimized cell structure allows formalin, ethanol, xylene, and paraffin to flow freely through the pad for thorough tissue processing without trapping air bubbles.
- Secure Specimen Retention — Gentle compression holds small and friable biopsy specimens firmly in place during processing and embedding, preventing loss through cassette perforations.
- Multiple Thickness Options — Available in 1.5 mm, 2.0 mm, and 3.0 mm thicknesses to accommodate different biopsy sizes from endoscopic to core needle specimens.
- Resealable Packaging — Pads packaged in resealable bags to maintain cleanliness and prevent dust or fiber contamination in the histology laboratory environment.
- Universal Cassette Fit — Pre-cut to standard 30 x 25 mm dimensions for compatibility with all major cassette brands (Leica, Sakura, Simport, Roundfin).
FAQ
How many foam pads should I use per cassette?
Typically, two pads are used per cassette — one below the specimen and one above — creating a 'sandwich' that holds the biopsy securely during processing. For very thin specimens, a single top pad may suffice if the cassette base is smooth. For multiple biopsy fragments in one cassette, use a foam pad on both sides to prevent specimens from migrating or sticking together.
Are these pads compatible with microwave tissue processors?
Yes. Roundfin biopsy foam pads are compatible with microwave-assisted tissue processors operating at standard histology processing temperatures. The polyurethane formulation is stable up to 65°C and does not degrade or release residues under microwave processing conditions. Verify temperature compatibility if your microwave protocol exceeds 65°C.
Can the pads be cut to fit non-standard cassette sizes?
Yes. The foam material can be easily cut with scissors to accommodate non-standard cassette sizes, specialty biopsy bags, or custom embedding molds. For laboratories using non-standard cassette formats, Roundfin offers OEM custom cutting to your specified dimensions — contact us with your cassette dimensions and annual volume for a custom production quotation.
Do the pads leave residue on tissue sections?
No. Roundfin biopsy foam pads are manufactured from a non-reactive, residue-free polyurethane formulation specifically designed for histology use. The material does not shed fibers, dissolve in processing reagents, or leave deposits on tissue sections that could interfere with H&E, IHC, or special stain interpretation. Each batch is tested for processing compatibility before release.
