For some clients the quality and regulatory compliance service has extended to the point that MDM manufacture the product for them or identify other strategic partners who are able to provide the specialist services they require such as cleanroom capacity.
The 45 cmH2O valve is available through Fisher and Paykel and was developed to meet their needs. The AT4 is available through Anetic Aid and was designed and CE mark obtained for them. The aepEX unit is exclusively an MDM product and distributers are appointed to represent MDM in individual territories.
The AT4 range of tourniquets was designed and CE marked for Anetic Aid to replace the previous generation of electronic tourniquet, while at the same time creating a replacement for the even older pneumatically powered tourniquet with a device that would have identical user interfaces whether powered electrically with internal pump or pneumatically from pipeline or cylinder.
Designed and manufactured in partnership with Anetic Aid UK
The aepEX PLUS system dynamically measures the balance between hypnosis, analgesia and surgical stimulation using Auditory Evoked Potentials (AEPs), providing the anaesthesia community with the a fast, accurate and compact depth of anaesthesia monitoring system utilising proven technology.
The gold standard in Depth of Anaesthesia Monitoring Systems.
aepEX PLUS combines years of proven clinical data with 21st century technology enabling anaesthesia professionals to prevent surgical awareness, reduce the amount of drug used during surgery, reduce recovery times and increase the overall safety of anaesthesia. Developed over a ten year period by Professor Gavin Kenny and Dr Harris Mantazaridis at Glasgow University, numerous clinical studies have shown that the system is able to provide an accurate guide to the patient’s level of consciousness. The clinician is thus allowed to decrease the levels of drug delivered without compromising the maintenance of adequate levels of anaesthesia, and reduce the risks of arousal during surgery. aepEX PLUS utilises state-of-the-art electronic technology to ensure both speed and accuracy in a compact and ergonomic format, making it easy to use and saving valuable space in the operating room environment. Due to the system’s small size and battery operation facility, it can now move with the patient from induction room to operating room and on to recovery and the intensive care unit, thus becoming the first product of its kind to offer health care professionals a fully continuous monitoring option.
The aepEX PLUS monitor generates repeated auditory stimulation via the earphones at a nominal frequency of 7Hz. Following each auditory stimulation for a period of 144 milli-seconds, the aepEX PLUS unit monitors the patient’s EEG signal via three sensors. During the 144 milli-second period following the stimulation, the EEG signal includes the Brainstem Auditory Evoked Potential (BAEP) and the Middle Latency Auditory Evoked Potential (MLAEP) which are the sensory system’s and the brain’s response to the auditory stimulation.
The Brainstem Auditory Evoked Potential originates in the 8th cranial nerve and the brainstem auditory structures while the Middle Latency Auditory Evoked Potentials originate in upper brainstem and auditory cortex. It is generally accepted that the Middle Latency Auditory Evoked Potential responds to the depth of anaesthesia by exhibiting reduced amplitude and increased latency proportional to the depth of anaesthesia. The Middle Latency is also less affected by age than other parts of the Auditory Evoked Response reducing the effect that age may have on the resulting aepEX index. The sensors are configured as a near and far pair; these signals are combined to reduce noise. The ground electrode is placed on the centreline of the forehead and the active electrode is also placed on the forehead to the side of the ground electrode. The reference electrode is placed over the mastoid behind the ear on the same side of the head as the active electrode. The processor extracts from the raw EEG signal the Auditory Evoked Potential (AEP). The extraction is achieved by averaging the previous 256 EEG waveforms achieving a rolling average AEP waveform each of which is built up from 256 samples. The rolling average is updated 7 times per second following each stimulation. The software determines the characteristics of the waveform, which is then expressed as an index between 0 and 99 (0 representing no brain activity and 99 representing wide awake).
The valve is intended to be fitted to the outlet of an oxygen flow meter, to ensure that excessive pressure is not delivered to the neonatal breathing circuit when using manually controlled "T" piece resuscitation. The pressure relief valve may only be used with oxygen or air flow meters with a DISS outlet coupling (9/16 -18 UNF).
Designed and manufactured solely for use in the United Kingdom on behalf of Fisher & Paykel
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