Smiling & Expression
Facial paralysis erases the unconscious cues that define identity and social connection.
A new platform for facial rehabilitation
Progressive Resistance Therapy for Facial Neuromuscular Rehabilitation.
A provider-directed clinic-to-home pathway for patients affected by stroke, Bell’s palsy, facial nerve injury, and selected neuromuscular conditions.
FDA 510(k) pending. Device-specific clinical research is ongoing.
Human impactFunction shapes daily life.
Function. Identity. Connection.
Recovery is personal because facial function is personal.
The smallest movements influence how patients communicate, nourish themselves, and connect with other people.
Speech & Communication
Orbicularis and buccinator weakness impairs articulation, intelligibility, and confidence.
Drinking & Lip Closure
Incomplete lip seal creates spillage, aspiration risk, and loss of nutritional independence.
Quality of Life
Functional deficits compel social withdrawal, depression, and reduced rehabilitation adherence.
Three foundations of rehabilitation science
One platform. Three distinct modes of resistance.
ISO Metrik brings familiar physical-therapy principles to targeted facial and oral-motor rehabilitation.Isometric
Static holdThe patient contracts the target muscles against fixed resistance while maintaining one position.
ResistanceTime →
- Patient action
- Hold position
- Resistance
- Fixed
Isotonic
Dynamic movementThe patient moves through a controlled range while working against consistent resistance.
MovementRange →
- Patient action
- Move through range
- Resistance
- Consistent load
Isokinetic-Style Cadence Training
Provider-paced cadenceThe clinician prescribes and monitors a movement cadence while the patient regulates speed, direction, and control against a provider-selected load. The device does not mechanically govern constant velocity.
CadenceTime →
- Patient action
- Follow prescribed pace
- Resistance
- Provider-selected load
The science behind ISO Metrik
Established Science. Purposeful Innovation.
ISO Metrik was created to support what matters most—strength, function, and confidence. The platform is grounded in established rehabilitation principles, protected by patents, and being evaluated through ongoing device-specific research.Purpose-built innovation
Founded by Prentice Capri McGhee following his personal experience with facial weakness, ISO Metrik represents more than a decade of focused research, design, and development.
Protected technology
Protected by 22 patents covering device design and treatment methodology, ISO Metrik is engineered to address a gap in configurable resistance for facial and oral-motor rehabilitation.
Professional collaboration
The professional pathway is designed for collaboration with physical therapy and speech-language pathology teams evaluating facial muscle and functional needs.
Evidence-guided protocols
Protocol development is grounded in established resistance-training and neuromuscular rehabilitation principles.
FDA 510(k) pending
The device is progressing through its regulatory pathway, and all claims remain aligned with its current status.
Comprehensive patent protection
Twenty-two patents protect the device design, technology, and treatment methodology across global markets.
Clinical research ongoing
ISO Metrik-specific studies and structured real-world outcome collection are ongoing.
Coordinated patient reach
Support referral coordination across PT, SLP, neurology, PM&R, ENT, dentistry, and oral-maxillofacial care.
FDA 510(k) pending. ISO Metrik-specific clinical research is ongoing.
How it works
A clear pathway from evaluation to continued practice.
Evaluate & configure
The clinician establishes baseline function, goals, precautions, fit, direction, mode, and resistance.
Treat & train
The patient practices the prescribed movement in clinic with observation, cueing, and feedback.
Continue & reassess
The same setup continues through a structured home plan, followed by documented reassessment and progression.
A connected clinical pathway
Built for PT and SLP clinics. Supported by cross-specialty referrals.
Facial neuromuscular dysfunction intersects multiple clinical disciplines. ISO Metrik gives rehabilitation providers a common platform around which care can be coordinated.
Physical & occupational therapy
Progressive resistance and motor retraining
Speech-language pathology
Oral-motor function, articulation, and lip closure
Neurology
Stroke, Bell’s palsy, and facial nerve disorders
PM&R
Neuromuscular re-education and recovery planning
ENT / otolaryngology
Facial nerve and post-procedural recovery
Dentistry & OMS
Perioral and oral-maxillofacial rehabilitation
Referral ecosystemOne patient. One recovery pathway. Multiple disciplines.
Choose your clinical pathway
One platform. Three connected professional pathways.
PT & SLP clinics
- Structured facial resistance
- Clinician training
- Clinic-to-home continuity
Referring providers
- Referral framework
- Rehabilitation evaluation
- Documented clinical follow-up
Hospitals & health systems
- Service-line planning
- Training at scale
- Clinical pilot pathway
Measurable resistance
Apply a defined mechanical challenge rather than relying only on unresisted exercise.
Individual configuration
Select orientation, mode, load, range, pace, repetitions, and frequency around the evaluation.
Clinic-to-home continuity
Carry the provider-selected setup into a structured home program between visits.
Implementation support
Connect device education with training, workflow, documentation, referral, and pilot planning.
Patent-protected platform
Purpose-engineered for targeted resistance.
The ISO Metrik device
Designed to make facial resistance progressive, repeatable, and provider-directed.
Its modular architecture allows clinicians to select resistance, target perioral muscle groups, and advance loading parameters as strength and function improve.
Bite plate
Provides stable intraoral anchoring and distributes occlusal forces.
Glide bar
Supports controlled lateral and horizontal movement against resistance.
Lip holders
Engage the perioral region and surrounding musculature.
Resistance bands
Provide interchangeable levels for structured progression.
The ISO Metrik difference
A better way to structure facial rehabilitation.
- 1
Evaluate
Establish candidacy, baseline function, precautions, and goals.
- 2
Configure
Choose fit, orientation, therapy mode, resistance, and dosage.
- 3
Treat
Coach the movement and monitor the patient’s response in clinic.
- 4
Home program
Teach the same provider-directed setup for practice between visits.
- 5
Reassess
Document response, refine the plan, and communicate progress.
Provider & client testimonials
What customers are saying.
Real feedback from providers using ISO Metrik in clinical practice.
ISO Metrik has helped my patients stay engaged with facial rehabilitation. It is easy to teach, simple to continue at home, and fits well into the way we already deliver care.
Next step
Bring ISO Metrik into your care pathway.
See the platform, discuss clinical fit, and choose the implementation route for your clinic, referral network, or health system.