Bio-Pro Bio 3D Printer:
Dual Head Bioprinting with
HEPA & UV Sterilisation

Dual-Head Pneumatic Extrusion: Why It Changes Everything

Pneumatic extrusion — using controlled air pressure to drive material from the syringe, rather than a mechanical lead screw — is the industry standard for professional bioprinters. It delivers gentler, more consistent material flow (reducing shear stress on cells), enables independent control of each head (true multi-material printing), and handles a wider viscosity range from ultra-low-viscosity cell suspensions to thick collagen pastes that would stall electromechanical systems.

The Bio PRO's two bio-heads operate with independent pressure control at 0.01 bar resolution. Each head is individually tuned to the extrusion characteristics of its loaded bioink. Head 1 may print a GelMA scaffold at 1.5 bar while Head 2 simultaneously deposits cell-laden alginate at 0.8 bar.

Bio PRO dual bio-head assembly — two independently pressure-controlled, temperature-regulated pneumatic heads for simultaneous multi-material bioprinting

• Two heads with independent pressure control (up to 8 bar, 0.01 bar resolution) for precise, material-specific extrusion
• Simultaneous multi-material printing — structural scaffold, cell-laden bioink, and sacrificial polymer in one construct
• Compatible with 3 mL, 5 mL, and 10 mL BD syringes with Luer-lock tips across all two heads
• Independent temperature regulation per head (4°C to 250°C) — each material at its optimal printing temperature simultaneously
• Print speed up to 30 mm/s; print precision 0.01 to 0.2 mm (nozzle and material dependent)

HEPA H14 + UV Sterilisation: Aseptic Bioprinting Built In

For cell-laden bioprinting — where living cells are encapsulated within the bioink and must remain viable throughout the print — the print environment is as important as the bioink itself. Airborne contamination poses a constant risk to cell viability and construct sterility. Professional bioprinters must incorporate environmental controls that go far beyond what an open-frame platform can offer.

The Bio PRO is an enclosed machine with two layers of sterility assurance. First, the HEPA H14 filtration system continuously removes 99.995% of airborne particles and microorganisms from the print chamber — the same filtration class used in pharmaceutical manufacturing and hospital operating theatres. Second, the integrated UV sterilisation chamber decontaminates the entire print enclosure before each session, eliminating surface contamination accumulated between runs.

Coaxial Bioprinting: Hollow Vascular Channels and Core-Shell Constructs

Coaxial bioprinting is one of the most important technical advances in biofabrication. Using a concentric nozzle assembly — an inner needle within an outer barrel — the Bio PRO deposits two materials simultaneously in core-shell configuration. This enables constructs with internal architecture that a single-nozzle printer cannot achieve: hollow tubular channels, encapsulation microspheres, and multi-layer constructs with spatially controlled composition.

The most impactful application is vascular channel fabrication: a sacrificial or ionic-crosslinkable core material is deposited simultaneously with a structural shell. After printing, the core is removed by dissolution or temperature change, yielding a continuous hollow lumen that can be perfused — mimicking blood vessels, bile ducts, and lymphatic channels for research and regenerative medicine applications.

• Hollow vascular channel fabrication — perfusable tubular constructs for vascular tissue engineering and organ model development
• Core-shell microcapsule fabrication for cell encapsulation and controlled therapeutic delivery research
• Simultaneous crosslinking during extrusion — ionic crosslinking of alginate shell triggered by CaCl2 in the flowing core
• Multi-material gradient constructs with spatially varying composition within a single extruded filament
• Cell-laden bioinks with protective structural outer coatings to reduce nozzle shear-induced cell death

4°C to 250°C: The Widest Temperature Range in Academic Bioprinting

Biomaterial behaviour in bioprinting is fundamentally temperature-dependent. Gelatin gels below 25°C and liquefies above it. Native collagen must be kept cold to prevent premature fibril formation. Cell-laden bioinks need refrigeration to minimise metabolic stress. GelMA requires mild warming for optimal extrusion viscosity. PCL and thermoplastic bio-composites need temperatures above 60°C to flow at printable viscosities.

The Bio PRO's independent per-head temperature control (4°C to 250°C) makes all of these materials printable — simultaneously if needed. Head 1 at 4°C for a cell-laden collagen bioink, Head 2 at 37°C for GelMA. This range and per-head independence simply does not exist in any other Indian bioprinting platform.

Research Applications of the Garuda 3D Bio PRO

The Bio PRO's dual-head capability, environmental sterility control, coaxial nozzle system, and extreme temperature range enable the full spectrum of advanced bioprinting research — from fundamental tissue engineering to clinical translation-focused regenerative medicine.