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DISPOSABLE INSTRUMENT INCLUDING WORKING CHANNELS FOR ENDOSCOPY

[Category : - MECHANICAL ENGINEERING- HEALTH- DESIGN PATENTS]
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Current conventional digestive endoscopies carry risk of deadly cross infections, and the reprocessing procedure is time consuming. To solve the problem, we developed an anti-infection digestive endoscopy device which comes with flexible endoscopes (gastroscope and colonoscope) and disposable sheath system so that all contaminated parts during endoscopy could be discarded after each patient use.
Anti-infection digestive endoscope system contains both endoscope and disposable sheath system. Endoscopes are structure modified, basing on conventional flexible digestive endoscopes. Disposable sheath system includes sheath cover and sheath cuff which incorporates all working channels for suction, irrigation, and tool passage.Full working range of examination and treatments remained, as well as the endoscopy operation. With training, assembling and removing of the sheath system take less than 10 minutes.
High level disinfection is no longer required. The complete segregation allows maximum usage of endoscope controls without contamination, resulting in a safe, sterile insertion for each patient and much shortened turnaround time for the practice.
We exhibited our endoscopy device in DDW 2015 and APIC 2015, our anti-infection digestive endoscope attracted attention from GI specialists, and endoscope distributors.

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Background on flaws of current conventional endoscopy:
1. Digestive endoscopy is a widely used procedure for GI doctors to exam and treat patients. GI/endoscopy cases make up 24 percent of total ASC cases.Nine percent of surgery center rooms are designated for endoscopy. Twenty-seven percent of single-specialty surgery centers are driven by gastroenterology procedures [1].
2. Conventional endoscopes carry potential risk of infection due to inadequate cleaning, of which the consequences could be severe, ranging from patients anxiety to deadly infections [2]. Cross contamination caused by inadequately disinfected endoscopes was ranked among top 10 health technology hazards by ECRI institute since 2009 and has retained a spot near the top [3-8].
3. Reprocessing of conventional endoscopes is particularly challenging.
1) Current reprocessing requires consistent adherence to a multistep procedure, including initial manual cleaning –which is so critical but often get overlooked or rushed. Debris from ineffectively cleaned endoscopes could form biofilm which compromise the efficiency of following disinfectants. Moreover, the cleaning process is often model-specific—that means to follow diligently whenever the device updated, otherwise cleaning could be rushed and ineffective.
2) Even following the guidelines, endoscopes cleaning could still be challenging, because these devices have narrow, hard-to-clean channels, and endoscopes cannot be autoclaved because they are made of polymer material.
With the same working functions, our anti-infection digestive endoscopes were proved to safe and efficient to solve endoscopy cross contaminations with low cost. The future market could be very promising, especially in countries where there are higher patients’ demands over medical equipment supplies. Our product will make a significant improvement on endoscopy service there.
Referemces:

1. (28, September,2010) “35 Statistics About GI/Endoscopy” Beker’s GI & Endsocopy
URL: Link
2. Kovaleva J, Peters FT, van der Mei HC, Degener JE. Transmission of infection by flexible gastrointestinal endoscopy and bronchoscopy. Clin Microbiol Rev. 2013;26:231–54.
3. Top 10 Health Technology Hazards for2011, A Report from Health Devices by ECRI, November 2010
4. Top 10 Health Technology Hazards for2012, A Report from Health Devices by ECRI, November 2011
5. Top 10 Health Technology Hazards for2013, A Report from Health Devices by ECRI, November 2012
6. Top 10 Health Technology Hazards for2014, A Report from Health Devices by ECRI, November 2013
7. Top 10 Health Technology Hazards for2015, A Report from Health Devices by ECRI, November 2014
8. Top 10 Health Technology Hazards for2016, A Report from Health Devices by ECRI, November 2015

Patent publications:

US 20150080764

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xuerumu (United States)

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