DHS Quad-Cell Factory System
| Brand | DHS |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | DHS Quad-Cell Factory System |
| Pricing | Available Upon Request |
Overview
The DHS Quad-Cell Factory System is a pre-assembled, sterile, closed-cell culture platform engineered for scalable adherent cell production in biopharmaceutical manufacturing and advanced research laboratories. Unlike conventional roller bottles or manually assembled cell factory systems, this integrated quad-unit configuration operates on the principle of controlled rotational motion—precisely rotating four CF40 (40-layer) cell factories simultaneously within a single, thermally stabilized chamber. The system leverages gravity-mediated uniform cell monolayer formation across all layers while maintaining consistent gas exchange (O₂/CO₂), temperature (37 °C ± 0.3 °C), and humidity (>95% RH) throughout the entire culture duration. Designed to replace labor-intensive, open-system assembly workflows, it eliminates variability introduced by manual tubing connections, reduces operator intervention time by up to 65%, and supports seamless integration into ISO Class 5–7 cleanroom environments.
Key Features
- Pre-sterilized, fully assembled quad configuration—four CF40 units shipped as a single validated unit, ready for immediate connection to incubator-compatible roller drum hardware.
- Patented dual-seal packaging technology ensures integrity of sterile barrier during transport and storage; compatible with standard cell factory frames from Corning, Nunc, Thermo Fisher, and Sartorius.
- Optimized tube routing architecture minimizes total fluid path length—eliminates excessive tubing loops associated with traditional manifold-based assemblies, thereby reducing dead volume (<1.2 mL per unit) and shear-induced cell detachment risk.
- No quick-connect fittings required: eliminates need for end-user sterilization validation of inter-unit connections per ISO 13408-1 and EU Annex 1 requirements.
- Integrated rotation synchronization ensures identical angular velocity (0.5–12 rpm, programmable) and dwell time across all four units—critical for batch consistency in clinical-grade cell therapy production.
- Modular mounting interface allows retrofitting onto existing DHS RotoMax™ or third-party roller drums with standardized 25 mm shaft diameter and 120° angular spacing.
Sample Compatibility & Compliance
The DHS Quad-Cell Factory System is validated for use with human mesenchymal stromal cells (hMSCs), Vero, CHO-K1, HEK293, and CAP-T cells under cGMP-aligned processes. Each unit accommodates standard CF40 surface area (≈1,400 cm² per unit; total ≈5,600 cm² per quad set) and supports both serum-containing and serum-free media formulations. The system conforms to ISO 5–7 environmental control specifications when operated inside certified biological safety cabinets or isolators. All wetted materials—including silicone tubing (USP Class VI compliant), polycarbonate frames, and medical-grade EPDM gaskets—meet USP cytotoxicity and ISO 10993-5 biocompatibility standards. Documentation packages include Installation Qualification (IQ), Operational Qualification (OQ), and partial Performance Qualification (PQ) protocols aligned with ICH Q5A(R2) and FDA Guidance for Industry: Cellular & Gene Therapy Products.
Software & Data Management
While the quad system itself is hardware-only, it is fully interoperable with DHS RotoLink™ v3.2 control software (sold separately), which provides audit-trail-enabled operation logging per 21 CFR Part 11 requirements. Rotation profiles, runtime duration, temperature deviation alerts, and door-open event timestamps are stored locally with optional encrypted export to LIMS via CSV or ASTM E1384-compliant XML schema. Batch records generated include electronic signatures, user access logs, and version-controlled parameter sets—supporting GLP/GMP traceability for regulatory submissions.
Applications
- Manufacturing of viral vectors (AAV, lentivirus) requiring high-yield adherent cell expansion prior to transduction.
- Production of allogeneic cell therapies (e.g., CAR-T feeder layers, MSC-derived exosomes) where lot-to-lot reproducibility is mandated by EMA CAT guidelines.
- Scale-down modeling for bioreactor process development—providing physiologically relevant shear and mass transfer conditions comparable to stirred-tank reactors.
- Toxicology and differentiation studies requiring parallel culture of multiple cell lines under identical environmental parameters.
- Regulatory filing support: data generated using this system has been cited in IND submissions for Phase I/II trials involving autologous dendritic cell vaccines.
FAQ
Is the DHS Quad-Cell Factory System supplied pre-sterilized?
Yes—each quad unit undergoes gamma irradiation at 25 kGy and is released with a full sterility test report (ISO 11737-1) and endotoxin level ≤0.25 EU/mL.
Can individual CF40 units be replaced without discarding the entire quad set?
No—the system is supplied as a permanently sealed, non-modular quad assembly. Replacement is performed at the complete quad level to preserve validation integrity.
Does it require special training for operation?
Personnel must complete DHS-certified GMP handling training (2-hour module), focusing on aseptic connection procedures, rotation profile verification, and deviation documentation per SOP-DHS-CF-Q-004.
What maintenance intervals are recommended?
Roller drum motor calibration and seal integrity checks every 6 months; full system requalification required after any firmware update or mechanical modification.
