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Visionstar SJD-R01

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Visionstar Dental And Oral Care Equipment

Visionstar SJD-R01

Product Code: DAOC-DI-2821

The operator holds this one. Plan their dose accordingly.

Operator dose belongs in the specification. The Visionstar SJD-R01 pairs a Canon tube and 1.5 mm Al total filtration with 0.05–1.35 s timing in 0.01 s steps at 1.8 kg.

Sections

Intraoral X-ray Units

Categories

Dental And Oral Care Equipment

Condition

New

Origin

China

Seller Type

Certified Professional Seller

Size:

175.6 × 150.3 × 149 mm

CE & ISO Certified

Global Shipping

Supplier: Medigear

The Visionstar SJD-R01 is a battery-powered dental X-ray generator in a twin-handle carried body weighing 1.8 kg, measuring 175.6 × 150.3 × 149 mm. The generator is DC high-frequency, running an inverter circuit at 100 kHz, with tube voltage fixed at 60 kV and tube current fixed at 2 mA. The tube insert is a Canon; the focal spot size is 0.7 mm, and the target angle is 16°. Total filtration is published at 1.5 mm aluminium, and the X-ray field is stated at 50 mm, round.

Exposure timing runs from 0.05 to 1.35 seconds in 0.01-second increments, giving roughly 130 discrete settings for a Medical Physics Expert to work with when values are set by region, patient build and receptor speed.

The specification question that deserves most attention on a carried generator is not on the data sheet at all. The operator holds the unit during the exposure and stands close to the beam, so their dose becomes a live consideration rather than a background one. UK guidance on hand-held dental X-ray equipment addresses backscatter protection and operator position directly, and many Radiation Protection Advisers require a backscatter shield as a condition of use. Treat shielding as part of the specification and the budget, settled before order.

Personal dosimetry follows from the same assessment. Under IRR17, the employer arranges dose assessment and monitoring where it is appropriate, and whether your operators need personal dosimeters — and on what basis — is a conclusion your RPA reaches from the workload, the technique and the shielding in place.

The unit carries a large LCD, a boot self-check reporting faults at power-up, stated digital sensor compatibility and a published two-year warranty. Medigear.uk can arrange supply, delivery, commissioning, staff familiarisation and service cover for the SJD-R01 across the United Kingdom.

Intraoral radiography carries the diagnostic load in UK general dentistry, and the SJD-R01 is configured for that daily volume. It supports bitewing caries detection, periapical assessment of pathology, endodontic working-length and obturation verification, alveolar bone-level review, and root morphology assessment ahead of extraction.

Operator protection shapes how a carried generator is deployed, and it belongs in the purchasing conversation rather than the commissioning one. The person taking the radiograph holds the unit and stands close to the beam, so their cumulative dose across a working week depends on radiograph volume, technique, position and shielding. UK guidance on hand-held dental X-ray equipment addresses backscatter protection and operator position directly, and many Radiation Protection Advisers make a backscatter shield a condition of permitting hand-held use.

High-volume settings feel this most. An NHS practice running full lists, a community service covering several sites, or a teaching clinic where one unit passes between operators all accumulate exposures quickly, and that is exactly the pattern that turns operator dose into a monitored quantity. Personal dosimetry, where the RPA's assessment calls for it, follows from that workload rather than from the equipment itself.

Pregnancy adds a specific requirement. Once an employer is notified, IRR17 applies a dose limit relating to the foetus and the employer must review working conditions to ensure it is met — which may change who takes radiographs, what shielding is used, or where the operator stands.

Community dental services and special care teams need equipment one clinician can carry, and at 1.8 kg with twin handles, the unit travels well, with off-site radiation protection arrangements agreed with the RPA before the first visit.

Guidance from the College of General Dentistry and UKHSA Dental X-ray Protection Services remains the reference point UK practices work to, alongside HSE enforcement of IRR17.

Shielding treated as specification, not accessory

A backscatter shield is frequently a condition of hand-held use in UK practice. Settling availability, fit and cost before ordering keeps it within the purchase rather than arriving as a surprise at critical examination.

A two-handed hold for steadier alignment

Twin handles allow both hands on the unit, which supports holding alignment through the exposure and reduces the movement retakes that add to cumulative patient dose.

Beam specification published for assessment

Total filtration at 1.5 mm aluminium and a 50 mm round field are both stated, so your Radiation Protection Adviser and Medical Physics Expert can engage with the equipment before it arrives.

Exposure control in hundredths of a second

Roughly 130 discrete settings between 0.05 and 1.35 seconds give fine control when local diagnostic reference levels are set and when protocols are optimised downwards after an audit.

A tube insert your RPA can look up.

The Canon insert is a named component with published characteristics, giving service engineers and radiation protection advisers a definite reference for beam quality data and parts.

Daily status at switch-on

A boot self-check reports faults automatically at power-up, giving a status indication alongside the documented quality assurance programme IRR17 requires.

A published two-year term

The manufacturer states a two-year warranty. Confirm at quotation what sits inside it, particularly the battery and LCD assembly, and the UK parts and labour arrangements.

UK supply, commissioning and service through one route

Medigear.uk can arrange listing, supply, delivery, installation, commissioning, staff familiarisation, service cover, planned maintenance, shielding accessories and quotations for the SJD-R01 across the United Kingdom.

Twin carrying handles

Handles on both sides allow a two-handed hold, supporting alignment during exposure and single-person carrying between rooms.

1.5 mm Al total filtration

Total filtration is published rather than inherent filtration alone, giving the Radiation Protection Adviser the figure beam quality assessment works from.

50 mm round X-ray field

Published field diameter; confirm rectangular collimator availability and receptor holder compatibility at order.

0.05–1.35 second exposure range in 0.01 s steps

Roughly 130 discrete settings allow close tuning of exposure by region, patient build and receptor speed.

Canon tube insert

The tube assembly is supplied by an established manufacturer with published characteristics, giving a definite reference for servicing and part replacement.

0.7 mm focal spot

Published focal spot size, one of the figures governing geometric sharpness at the receptor alongside working distance and receptor position.

16° target angle

Published anode target angle, relevant to field coverage and to the intensity distribution across the beam.

60 kV fixed tube voltage

Operation at a fixed 60 kV sits within the established kilovoltage range for intraoral dental radiography.

2 mA fixed tube current

Holding tube current constant means the exposure product is governed entirely by time, which simplifies protocol design and audit.

DC high-frequency generator at 100 kHz

Inverter operation produces a near-constant potential waveform, delivering steadier output per exposure and a beam carrying proportionally fewer low-energy photons.

Large LCD

A high-contrast panel presents the active exposure value and machine state on the rear control face.

Boot self-check with automatic fault reporting

A self-diagnostic routine runs at power-up and reports detected faults, giving a daily equipment status indication at switch-on.

16.8 V lithium battery

A lithium pack powers the unit away from a fixed power position; capacity in milliamp hours is not published, so request it and the exposures-per-charge figure at quotation.

175.6 × 150.3 × 149 mm at 1.8 kg

Published dimensions and weight are the figures that determine storage arrangements and whether one clinician can carry the unit through a full list.

The Visionstar SJD-R01 gives UK dental teams a 1.8 kg twin-handle X-ray generator built around a Canon tube insert, 60 kV / 2 mA fixed output from a 100 kHz DC high-frequency generator, a 0.7 mm focal spot, 16° target angle, published 1.5 mm aluminium total filtration, a 50 mm round field, and exposure timing from 0.05 to 1.35 seconds in hundredth-of-a-second steps, with a published two-year warranty. It fits NHS and private general practice, high-volume lists where operator dose is actively managed, community dental services, teaching clinics, paediatric and special care dentistry, and outreach programmes. Medigear.uk can arrange supply, delivery, commissioning, staff familiarisation, service cover, planned maintenance and shielding accessories across the United Kingdom, and can arrange for the manufacturer's tube datasheet, collimator options, half-value layer data and battery documentation to accompany your quotation for your Radiation Protection Adviser's review. Contact the Medigear.uk team for pricing, lead times, sensor pairing options and configuration enquiries.

FAQ

Frequently Asked Questions

Everything buyers need to know about sourcing medical equipment through MediGear.

Ask your Radiation Protection Adviser, and expect the answer to be yes. UK guidance on hand-held dental X-ray equipment addresses backscatter protection explicitly, and many RPAs require a shield as a condition of permitting hand-held use at all. A backscatter shield mounts at the cone end and intercepts radiation scattered back from the patient towards the person holding the unit. Budget for it and settle availability and fit before ordering, rather than discovering the requirement at critical examination. Medigear.uk can arrange for shielding accessories to be quoted alongside the unit.

Wherever your RPA's assessment says. Distance and position during the exposure are set by that assessment, taking account of the shielding in place, the workload and the room, and they should be written into your local rules with the Radiation Protection Supervisor responsible for seeing them followed. This is not a matter of general advice — the arrangement is specific to your equipment and your setting.

That follows from the dose assessment rather than being a fixed answer. Under IRR17, the employer arranges dose assessment and monitoring where appropriate, and your RPA determines whether personal dosimetry is needed based on expected operator dose — which depends on radiograph volume, technique, shielding and operator position. Practices taking a high daily volume with a hand-held unit should expect the question to be examined carefully.

Raise it early and specifically. IRR17 sets a dose limit applying to the foetus once an employer has been notified of a pregnancy, and the employer must review working conditions to ensure it is met. In practice, that review may change who takes radiographs, the shielding used, or the position adopted. Your RPA advises on the arrangements and the Radiation Protection Supervisor implements them.

It changes stability, not dose. Two handles allow a two-handed hold, which helps an operator keep alignment through the exposure and reduces the retakes that come from movement — and fewer retakes does mean less cumulative patient dose. But the operator's own exposure is governed by distance, shielding and position, none of which the housing alters. Do not let a comfortable hold substitute for the protection arrangement.

More than is usual for this equipment class, which helps the assessment. Total filtration is stated at 1.5 mm aluminium — the figure beam quality work uses, and one commonly given as the minimum for intraoral sets up to 70 kV, so this sits at the minimum rather than above it. The X-ray field is stated at 50 mm round. Ask whether a rectangular collimator is available, since shaping the beam to the receptor reduces the irradiated tissue volume and is what UK guidance recommends.

The pack is a 16.8 V lithium unit. Capacity in milliamp hours is not published, and neither is an exposures-per-charge figure. Request both at quotation along with spare pack availability and pricing, particularly if the unit is intended for domiciliary rounds where a mid-session recharge is impractical.

The Ionising Radiations Regulations 2017 require employers carrying out dental X-ray work to register with the Health and Safety Executive, appoint a Radiation Protection Adviser, nominate a Radiation Protection Supervisor and complete a radiation risk assessment. The Ionising Radiation (Medical Exposure) Regulations 2017 add the appointment of a Medical Physics Expert, justification and optimisation of each exposure, and documented training for referrers, practitioners and operators. A critical examination is required when the equipment is put into service.

Dental X-ray equipment is subject to routine quality assurance and periodic radiological testing under IRR17, alongside annual electro-mechanical inspection, with a critical examination required at installation. UK service providers commonly apply an annual radiological testing interval to hand-carried units. The manufacturer publishes a two-year warranty; confirm at quotation what sits inside it, particularly the battery and LCD assembly, and the UK parts and labour arrangements.