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Selected work 01

Knobzz — an intelligent therapy device for myofascial trigger points.

The client came with a patent application and a concept. Nothing physical existed. We developed the product from the ground up — electronics, firmware, enclosure, application and cloud — and delivered working units.

Client
Knobzz UK Ltd
Industry
Healthcare & medical technology
Stage at start
Patent and concept only
Volvix Systems role
Complete product development
The device as designed and as built: CAD assembly alongside the finished unit
01 / The brief

Knobzz UK Ltd is a London startup founded by an osteopath who has worked with myofascial trigger points since 1990 and wrote the reference text most practitioners learn them from.

He came to us with three decades of clinical judgement, a patent application for the mechanism, and one question that turns a therapy into an engineering brief.

“Could a device learn to touch like a therapist?”

Founder, Knobzz UK Ltd
02 / The problem

A therapist finds a trigger point by feel. A device has to find it by measurement.

Tissue hardness is inferred from force at the treatment head as it works across the target area. A candidate point is identified where force rises at the same depth of indentation.

The head must then hold position on soft, moving tissue while applying a defined pressure profile — ramp, hold, release — and adapting as the tissue gives way.

Sensing, actuation, heating, timing and safety all constrain the system. None of it existed yet.

Figure 4I from the published application: exploded view of the drive assembly
Client IP
Massage device and methods — published PCT application WO 2024/224257 A1
Held by Knobzz UK Ltd. All intellectual property arising from our engagement remains with the client.
03 / What we did

We took the mechanism as given and developed everything around it, in two form factors: a twin-head unit for the limbs and larger muscle groups, and a supported unit for the lower back and neck. One underlying architecture shared across both.

01Electronics — A complete electronics architecture for sensing, drive, heating and power. Designed around both product form factors, with a shared architecture that allowed the same core system to support both devices. 02Firmware & control — The treatment cycle responds continuously to sensor feedback rather than following a fixed sequence. Force and temperature limits are enforced at both the hardware and software level. 03Body & enclosure — Two purpose-built enclosures developed around the treatment mechanism. The designs account for assembly, usability and the need to maintain stable contact with moving tissue. 04Connected experience — The application guides the user through the complete treatment session, from selecting the target area and preparing the device to monitoring the treatment as it runs. Session results are recorded and presented at the end for review and feedback. 05Data & cloud — A data layer built around the needs of clinical development. Session data is stored securely, kept available locally, and structured for later analysis and evidence generation. 06MVP units — Five complete units manufactured, assembled and tested in-house. The units were handed over to the client as working MVPs for the next stage of development.
Fabrication drawing of the circular main board
Control board
A single board for sensing, drive, heating and power.
Designed around the housing geometry to maximise space, simplify integration and keep the electronics purpose-built for the product.
Knobzz application welcome screen
Onboard
Selecting the area of pain on a three-dimensional body model
Target
Live treatment screen showing elapsed time and measured pressure
Treat
Treatment experience
A guided workflow from target selection to treatment review.
The application guides the user through each treatment session — selecting the target area, preparing the device, initiating the scan and monitoring treatment as it happens. Each session is then recorded for review and user feedback.
The MVP units packed for shipping, and the handover to the client in Dubai
FIG. 01 — MVP BUILD AND HANDOVER
04 / Where it stands

A clinical technique, now engineered into a working product.

Before
Patent application and concept.
After
Working units in two form factors, built around one architecture.
Next
Pilot programmes and the path to regulatory validation.

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