Dental unit with electric chair A4

with adjustable headrestwith hygiene systemwith side delivery system

Product Overview
The A4 Hanging Type dental unit is designed for modern AI‑enabled clinics, combining ergonomic patient care and efficient clinician workflow. It integrates intelligent voice control, self‑diagnosis, adjustable interfaces and multifunction foot control to support routine and complex dental procedures.

Dentist Element

• Intelligent Voice Control: built‑in voice system activated by saying "Hey ESAY" to operate common functions.
• Clean‑up Position: rapid cleanup mode to prepare for the next treatment.
• Self‑Diagram Fault Detection: automatic system inspection for quick diagnostics.
• Adjustable Water Knob: dual‑color tactile air/water controls for precise handling.
• 135° Rotatable Instrument Rack: adapts to different operator habits and personalized workflows.
• Ti‑Alloy Handpiece Connector: durable connector with anti‑rust silicone cover and quick coupling.
• Standard Six‑Way Adjustable Doctor’s Chair: multi‑directional adjustment to reduce lumbar strain.
• Multi‑functional Foot Control: water/air separation, movement, light, cup rinse and chip blowing functions.

Patient Element

• Ergonomic PU Upholstery: soft, breathable material for treatment comfort.
• Ultra‑thin Backrest: slim design balancing comfort and aesthetics.
• Shock Resistance Function: improves patient comfort during chair movement.
• 3‑axis Headrest: suitable for adults, children and wheelchair users.
• Center‑of‑Gravity Linked Connecting Rod: sidebox attached to chair frame center for enhanced stability.

Design

• Rotatable Sidebox for Four‑handed Operation: enables efficient dentist‑assistant cooperation.
• Double Seal Ring Connector: reinforced filter, well sealed and easy to clean.
• 180° Rotatable Ceramic Cuspidor: corrosion‑resistant, easy to clean and prevents valve/drain blockages.

Light

• Operation Light with CREE Bulbs: high lumen output, stable performance and long life.
• LED Stepless Dimming: adjustable surgical lighting.
• No Touch Sensor: switch and intensity control up to 29,000 Lux.
• Color Temperature Settings: warm, neutral and cool (source range: 5000K‑57000K).

Assistant Element

• 90° Rotatable Assistant Tray: reserved space for light curing and flexible rotation arm for four‑handed work.
• Five‑rack Design: increased instrument storage; light‑touch air control for stable suction levels.

Safety

• Emergency Position: rapid response setting to reduce patient and user risk during critical events.

Specifications / Technical Details

• Model: A4 Hanging Type
• Brand: ESAY MEDICAL
• Control: Intelligent Voice Control Operating System (activation by saying "Hey ESAY")
• Upholstery: PU (soft, breathable)
• Light: CREE LED bulbs; stepless dimming; No Touch sensor; up to 29,000 Lux; adjustable color temperature
• Instrument Rack: 135° rotatable
• Cuspidor: 180° rotatable ceramic
• Handpiece Connector: Ti‑Alloy with anti‑rust silicone cover
• Doctor’s Chair: standard six‑way adjustable
• Headrest: 3‑axis
• Assistant Tray: 90° rotatable
• Foot Control: multi‑functional water/air separating foot control
• Functions: self‑diagram fault detection; clean‑up position; adjustable dual‑color water knob