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High Frequency Ultrasound, its Application in Wound Assessment and Prevention

LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC. High Frequency Ultrasound, its Application in Wound Assessment and Prevention.

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High Frequency Ultrasound, its Application in Wound Assessment and Prevention

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  1. LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC High Frequency Ultrasound, its Application in Wound Assessment and Prevention

  2. EPISCAN I-200 LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  3. EPISCAN - I - 200 The EPISCAN is a high frequency ultrasound scanner that utilises ultrasound in the range 20 to 50MHz to image skin and underlying soft tissue. The system is portable such that it can be taken to the patients bedside as well as being used in “walk in” clinics The system has been designed to be user friendly and includes measurement and images assessment tools. LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  4. 50 MHz Image of Skin LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  5. Indications for Use • Skin cancers and other lesion mapping • Wound and scar assessment • Burn assessment • Skin assessment for pressure ulcer detection and prevention • Monitoring the impact of aesthetic procedures • Assessing the impact of medications on the skin • Implant assessment • Superficial musculoskeletal diagnosis LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  6. Example Images Skin Cancer Spider Vein Musculoskeletal Imaging LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  7. Approvals and Clearances Diagnostic ultrasound is a safe and well established imaging modality that remains the preferred imaging tool of clinicians around the world Longport’s EPISCAN system has gained both European CE and US FDA clearance. Units are also UL kite marked

  8. FDA Clearance “EPISCAN I-200 high-frequency ultrasound system is a specialized system for imaging the skin and underlying soft tissue. It is intended for use by clinicians, or under the direction of physicians for imaging and analysis in research environments as well as clinical settings including medical / surgical dermatology assessment and diagnosis (aesthetic and therapeutic), plastic / reconstructive surgical planning, wound assessment and management, skin assessment for pressure ulcer detection and prevention and superficial musculoskeletal diagnosis.” 510K 062671 LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  9. Wound Prevention and Assessment One of the main applications of the EPISCAN is the prevention and assessment of wounds. Intervention based upon the high frequency ultrasound images has been shown to result in the prevention of open wounds and the accelerated healing of existing wounds LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  10. Epidermis Dermis Subcutaneous tissue Bone Epidermis Dermis Subcutaneous tissue Edema Bone Normal ultrasound of heel Abnormal ultrasound of heel Early Detection of WoundsNormal and Abnormal Ultrasound Images of the Heel Note increased black areas in the abnormal scan, which represent oedema resulting from the early phase of wound development. No visible sign of breakdown will be evident at the skin surface

  11. Recent comments on wound prevention from studies conducted with Longport’s technology and from customer • We conclude that EPISCAN, in extended care rehabilitation units, is a cost-benefit to providers for preventing costly pressure ulcers. The expected cost savings for the at-risk patient is approximately $5,300.00 per resident over a 1 year period. Ron Shannon, quote from poster presented at SAWC April 2007 • Use of ultrasound for early care planning is a new concept but can have a significant impact on clinical management of risk. Karen Zulkowski, quote from poster presented at SAWC April 2007. …..the scanner’s utility has already been realized through reduced treatment costs the incidence of pressure ulcers at Hawfields had dropped to 2 percent in February 2007, from 7 percent in September 2005, and the nurses’ treatment time has been better utilized in other direct-care patient issues such as teaching, documentation, and assessment-related procedures. Max Kernodle (Longport customer) quote from article in Provider journal, April 2007 LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  12. Wound Assessment High frequency ultrasound images can provide data on issues such as wound undermining and sinus tracks as well as detect changes to the wound bed. Unlike visual assessment ultrasound can see deep into the wound providing the clinician with early data on the evolving wound Ultrasound does not cause damage to the wound LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  13. Pre-Biopsy After 7 Days After 14 Days After 21 Days After 28 Days After 35 Days After 48 Days After 63 Days Punch Biopsy Sequence LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  14. 2 weeks 1 month 2 Months Normal Time 0 Imaging sequence showing the healing of a chronic wound LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  15. Wound Undermining Wound Epidermis Dermis Undermining LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  16. Quantitative Images Assessment In many situation the clinician is looking to determine change that has that occurred as the result of a treatment plan and although the EPISCAN ultrasound images provide a reliable pictorial representation it is often preferred to have numerical data to work with. Longport has developed software such that quantitative data can be extracted from the images. The approach taken is to analysis the distribution of signal strength used to write each pixel of the image or defined area of the image. Examples of the data generated are shown in the following slides LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  17. Distribution of Pixel Intensity for Skin Having Moisturizer Applied Number of Pixels Intensity Level LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  18. Comparative Statistical Analysis of the Three Moisture Scans LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  19. Changes to a Wound Bed with Time LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  20. Various probes at centre frequencies between 16 & 50MHz 15mm scan length Digitalisation rate up to 200 million samples per second Wireless and cable net working capability CD/DVD Read/Write ROM Multiple memory card slots Blue tooth enabled 17 inch screen (1280 x 1024) Footswitch option CE/UL Certified, US FDA Marketing Clearance obtained Windows XP Operating system Linear & area measurement plus text annotation functions Integrated relational database for the patient / image record retention Multiple image viewing Image analysis functions Multiple image viewing palette options Image export as DICOM and BMP files Drag and drop capability into Microsoft Office programs Digital photographs can be integrated User selectable images size up to 1024 x 2048 pixels System Specifications LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

  21. For further information on this system and its applications please contact: PPM Consult Ltd Business web site: PPMconsult.com Medical web site: a1med.net E-mail: info@a1med.net LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC / High-Resolution Ultrasound / LONGPORT, INC

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