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Presented at Foot Health 2012, Kettering
The next generation treatment for Podiatry
Gary Beale
Emblation Limited
Presented at Foot Health 2012, Kettering
overview
microwave and heating
microwaves place in medicine today
current technology shortfalls and limitations
introduction of new technology
potential medical applications
the swift approach for Podiatry and Dermatology
Presented at Foot Health 2012, Kettering
what are microwaves?
ionising radiation non-ionising radiation
the electromagnetic spectrum
300MHz – 300GHz range
Presented at Foot Health 2012, Kettering
microwaves like water!!!
When electric field is applied, water dipole tries to align with field
low frequency (RF), easily aligns => no heating occurs (conduction only)
high frequency (laser) – field too quick - no dipole movement => no heating
in between (microwave) frequency – dipole tries to align but lags behind field
causing molecules to collide.
friction => internal heat generation!
how do microwaves heat?
Presented at Foot Health 2012, Kettering
Mostly operating theatre based procedures:
Acute and chronic conditions
Oncology (liver lung kidney breast)
Urology (BPH)
Gynaecology (menorrhagia)
expensive – both system and applicator
not portable
high maintenance
They are but in limited fields of medicine due to generator size!!
why are microwaves not used more readily?
Presented at Foot Health 2012, Kettering
innovation created opportunities
What differentiates the swift system from the current microwave medical devices?
Generator suitable for BOTH office and theatre
small – approximate size of A4 ream of paper
light (~4kg) and very portable
cost effective for end-users to purchase and operate
reliable – cheap to maintain!
Platform Technology
Presented at Foot Health 2012, Kettering
market identification
What are the markets suitable for swift microwave technology?
Oncology
Malignant neoplasms of skin
Malignant melanoma of skin
Gynaecology
Endometriosis
vaginal warts
Ear Nose Throat (ENT)
Acute tonsillitis, unspecified
Malignant neoplasm of tonsil
Podiatry & Dermatology
HPV - Common warts (cutaneous, hands, face)
HPV - Plantar warts (foot verrucas)
Nail - ingrown toenail; fungal nail
Presented at Foot Health 2012, Kettering
swift in Podiatry
No gold standard treatment
Low to moderate efficacy
Complications
Literature favours thermal ablation
Regulatory ease
Salicylic acid:
•slow, painful, ineffective
Liquid nitrogen cryotherapy:
• slow, painful, ineffective
• repeat treatments (4-5)
• only slightly better than placebo (44% efficacy)
• HPV can survive cryotherapy
Pulsed Dye Laser:
• less painful
• very expensive (limited usage)
• repeat treatments (3-4 with 81% efficacy)
RF:
• painful
• tissue damage
• recurrence (70% efficacy)
Presented at Foot Health 2012, Kettering
swift advantage
Energy Deposition
capable of treating whole wart without breaking skin surface
reduced cross-contamination
reduced scarring
superior deposition of energy
magnitude cheaper than pulsed laser – lower maintenance costs
no plume
minimal procedural risk - no return electrode pad
Energy Absorption
Presented at Foot Health 2012, Kettering
swift surface applicator
ergonomic
designed with minimal components
cheap to manufacture
affordable consumable product
ease of use
numerous medical applications
surface based ablation and coagulation
dermatology, podiatry, oncology etc…
Presented at Foot Health 2012, Kettering
swift surface applicator
fast and controllable – time dictates ablation size with accuracy ability to spot ablate or ablate along a path
Presented at Foot Health 2012, Kettering
swift preclinical study
Preclinical outcome:
Ability to carry out very short or long ablations
Repeatable and precise (very localised)
Predetermined cell death “with confidence”
Presented at Foot Health 2012, Kettering
why use swift??
energy modality suited for application
ease of use
repeatable procedure – reduce human error
compact and portable system to fit with typical clinic/ user requirements
small – approximate size of A4 ream of paper
platform technology - adaptable for new procedures e.g. nail
affordable disposable applicators
cost effective for end-users to purchase and operate
Presented at Foot Health 2012, Kettering
next stages
Corporate
CE Mark expected end of month
UK roll-out to follow
Clinical
capture clinical data for procedure approach
energy dosage versus condition
podiatry and dermatology applications
Technical
develop nail applicators
certify procedure (CE Mark)
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