Editorial Technical Reference

Patient Table

This page explains how Patient Table is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A specialized table designed to support and position patients during medical imaging procedures.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Patient Table

Definition
The patient table is a critical component of medical imaging devices such as CT scanners, MRI machines, and X-ray systems. It provides a stable, adjustable platform that safely supports patients while allowing precise positioning within the imaging field. The table must maintain patient comfort while ensuring accurate alignment for diagnostic imaging, often incorporating features like motorized movement, weight capacity specifications, and compatibility with various imaging modalities. This directory entry covers the general class of patient tables used in diagnostic imaging. The table typically consists of a radiolucent tabletop, a base with height adjustment, and a mechanism for longitudinal and tilt movements. It interfaces with the imaging device's control system to coordinate patient positioning with image acquisition. Key parameters include table length (1800–2200 mm), width (500–600 mm), maximum patient weight (135–250 kg, per IEC 60601-2-46), height adjustment range (500–900 mm), longitudinal travel (±300 mm), lateral tilt (±15°), Trendelenburg/reverse Trendelenburg (-25° to 25°), positioning accuracy (±1 mm), maximum speed (20–50 mm/s), power supply (100–240 V AC, per IEC 60601-1), power consumption (200–500 W), operating temperature (10–40 °C, per IEC 60601-1), and ingress protection (IP54–IP65, per IEC 60529). The tabletop is typically made of carbon fiber or radiolucent composite to allow X-ray imaging. Materials on file include carbon fiber composite, aluminum alloy, and medical-grade plastics. These values are reference ranges for the product category; actual specifications must be confirmed with the legal manufacturer for a specific model. Compliance with standards such as IEC 60601-2-46 and IEC 60601-1 is a procurement reference, not a guarantee of certification. Always verify model-specific values and standards with the supplier.
Working Principle
The patient table operates through mechanical or motorized systems that control height, tilt, and longitudinal movement. It interfaces with the imaging device's control system to coordinate patient positioning with image acquisition, ensuring the anatomical region of interest is properly aligned within the scanner's imaging plane. The table's movement is typically driven by electric motors and controlled via a hand pendant or integrated console. The tabletop is designed to be radiolucent, allowing X-rays to pass through without significant attenuation. The table may include manual or motorized adjustments for height, tilt, and longitudinal travel. The control system receives commands from the operator and moves the table to the desired position with high accuracy. Safety features include limit switches, emergency stop, and weight sensors. The table must be compatible with the imaging modality's gantry and field of view. Regular maintenance includes checking mechanical integrity, electrical safety, and calibration of positioning accuracy.
Common Materials
Carbon fiber composite, Aluminum alloy, Medical-grade plastics
Technical Parameters
ParameterTypical rangeNotes & selection driver
Table Length1800–2200 mmMust accommodate patient height up to 200 cm
Table Width500–600 mmWidth for patient comfort and imaging clearance
Maximum Patient Weight135–250 kgSafety limit for table structureIEC 60601-2-46
Height Adjustment Range500–900 mmRange for ergonomic access and imaging
Longitudinal Travel±300 mmFor precise positioning in CT/MRI
Lateral Tilt Range±15 °For patient positioning and drainage
Trendelenburg/Reverse Trendelenburg-25–25 °Range for surgical and imaging procedures
Positioning Accuracy±1 mmRepeatability for image-guided procedures
Maximum Speed of Movement20–50 mm/sSmooth motion to avoid patient discomfort
Power Supply100–240 V ACUniversal input for global useIEC 60601-1
Power Consumption200–500 WIncludes motors and control system
Operating Temperature10–40 °CEnvironmental limits for safe operationIEC 60601-1
Ingress Protection RatingIP54–IP65Protection against dust and water splashesIEC 60529
Table Top MaterialCarbon fiber or radiolucent compositeMust be radiolucent for X-ray imaging

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Table Top Part
    Primary surface that directly supports the patient during imaging procedures
    Material: Carbon fiber composite
  • Positioning Mechanism
    Motorized or manual system for adjusting table height, tilt, and longitudinal position
    Material: Aluminum alloy, steel components
  • Base Frame Part
    Structural foundation that provides stability and supports the table's weight capacity
    Material: Steel
  • Electric Motors
    Drive the height, tilt and longitudinal movement of the table.
  • Hand Pendant Optional
    Operator control used to command table positioning at the bedside.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Patient Table.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max patient weight: 250 kg (distributed load)
other spec: Movement speed: 0-30 mm/s, Positioning accuracy: ±1 mm, Table tilt range: ±15°
temperature: 15°C to 30°C (ambient clinical environment)
Media Compatibility
✓ Human patients (skin contact) ✓ Medical-grade vinyl/polyurethane upholstery ✓ Disinfectant solutions (alcohol-based, quaternary ammonium)
Unsuitable: High-magnetic-field environments (e.g., MRI rooms without specific shielding)
Sizing Data Required
  • Patient weight capacity (kg)
  • Imaging modality clearance requirements (e.g., CT bore diameter, fluoroscopy field size)
  • Table dimensions vs. room footprint (length x width in mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Structural Fatigue Failure
Cause: Cyclic loading from patient repositioning and transfer activities leading to stress concentration at welded joints or frame connections, exacerbated by material degradation from repeated cleaning chemicals.
Hydraulic System Leakage
Cause: Seal degradation in height adjustment mechanisms due to incompatible cleaning agents, particulate contamination in hydraulic fluid, or wear from excessive load cycles beyond design specifications.
Maintenance Indicators
  • Unusual grinding or clicking sounds during height adjustment, indicating gear or hydraulic system distress
  • Visible frame deformation or weld cracks at load-bearing joints, particularly near head/foot sections
Engineering Tips
  • Implement torque-controlled tightening procedures for all fasteners during assembly and maintenance, using manufacturer-specified values to prevent over-torque induced stress concentrations
  • Establish regular hydraulic fluid analysis program to monitor particulate contamination and chemical degradation, with scheduled filter replacements based on fluid condition rather than fixed intervals

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/AAMI ES60601-1:2005 - Medical electrical equipment - Part 1: General requirements for basic safety and essential performance CE Marking - Medical Devices Directive 93/42/EEC

Quoted from the published standard.

Manufacturing Precision
  • Height adjustment mechanism: +/- 2 mm
  • Load capacity: +/- 5% of rated weight
Quality Inspection
  • Load testing to verify structural integrity and stability
  • Electrical safety testing for powered components (if applicable)

Manufacturers of Patient Table

Manufacturer profiles associated with Patient Table.

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Frequently Asked Questions

What are the typical dimensions of a patient table?

Typical table length ranges from 1800 to 2200 mm, width from 500 to 600 mm, and height adjustment from 500 to 900 mm. These are reference ranges; actual dimensions vary by model and must be confirmed with the manufacturer.

What is the maximum patient weight the table can support?

The maximum patient weight is typically between 135 and 250 kg, per IEC 60601-2-46. This is a safety limit for the table structure. Always verify the specific weight capacity for the intended model.

What materials are used for the tabletop?

The tabletop is often made of carbon fiber composite or other radiolucent materials to allow X-ray imaging. Aluminum alloy and medical-grade plastics may also be used in the table structure. Material selection affects imaging quality and durability.

What standards apply to patient tables?

Relevant standards include IEC 60601-2-46 for operating tables, IEC 60601-1 for general safety, and IEC 60529 for ingress protection. These standards are references for procurement; compliance must be verified with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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