Testimonials: UK, NZ, SA and Bali.

United Kingdom testimonials

We have been thrilled with our Humphrey ADE-circle breathing system. We find it very easy to use and have made massive savings on both oxygen and anaesthetic costs. After using this breathing system we would not consider using anything else.
Paul Guckian, Companion Care Bristol Filton, Bristol

We have been using the Humphrey ADE for many years now at all sites of our 8 vet small animal practice. We have been consistently impressed by the ease of use of the system. From our point of view it has three unique benefits. Firstly we have to train our staff on only one circuit type, maximising familiarity and therefore safety. Secondly, we can use the same system for all the animals we treat. And thirdly we use lower gas flow rates than previously, which took some getting used to, but leads to good economy, especially since we switched to sevoflurane.
Liz Watkins , Watkins and Tasker Vet Group

I am just writing to express my delight regarding our Humphrey ADE anaesthetic circuit.

I was somewhat sceptical about the claims made about 02 flow rates and the potential savings in Isoflurane. Not any more. Our usage of Isoflurane has halved since we changed our anaesthetic circuits and we expect to recoup the cost of the circuit in around 6 month.

I also feel happier using a circuit that preserves moist gases from the upper respiratory tract, especially for smaller patients where the dry anaesthetic gases can cause significant fluid loss in longer procedures.

Lastly, it is so much simpler for the nurses to have one basic circuit that adapts to all sizes of patient with only minor modification, So, in conclusion, I am a very happy man, The ADE circuit is well made, works brilliantly and makes Isoflurane anaesthesia much more economical. Every practice should have one (at least!).
Tim Pearson, Orchard House Veterinary Centre, Northumberland

We started using the oxygen concentrating (“Free-Ox” machines and ADE anaesthetic system a year ago. After a training session from Dr Humphrey the transfer to the new machines and systems went ahead with no concerns, even though many of our nurses and vets had no experience of circle systems before this change.

We have three anaesthetic machines. Over the last year we have saved £7000 on the purchase of Sevoflurane. This does not take into account the amount that we have saved on by not using oxygen cylinders. We anticipate in two years from purchase we will have paid for the three machines purely in the savings on Sevoflurane.
Rachel Thomas, Ash Vets, Merthyr Tydfil

Just to let you know we are fully installed in the new surgery and have used both the machines for some long ops and have had no problems at all with smooth anaesthesia right through the ops including a couple of older fat dogs! We have found the low flow rates fine and are now confident with them. Many thanks again for an excellent piece of kit.
Andrew Clemence , Fishguard Vets Wales

Yesterday we repaired a ruptured diaphragm on a severely traumatized cat. We used the ADE of course, in this case with manual IPPV. The anaesthesia was the best I can recall for one of these, or indeed any open chest case.
Simon Thomas , Gatehouse Veterinary Hospital

Purchasing the Humprey’s ADE machines was a no brainer when we chose to upgrade to sevofluorane several years ago due to its anaesthetic (and oxygen) saving design. Since then the circuits have performed admirably in all sizes of small animal patients and are used confidently by our team of RVNs and training students alike.
Alistair Marks, Oak Tree Veterinary Centre, Edinburgh

Having used the ADE system with sevoflurane, we have found the combination offers us highly controllable and stable anaesthetics for our patients. Our other circuits have largely been consigned to the storage drawer, and remain as a nurse and vet student training resource, rather than as practical parts of our armoury. Our sevoflurane use has dropped significantly as we can run at lower gas flow rates. I would recommend you look at this system, and having looked, you should buy it. We are very pleased that we did.
Martin Squires, The Green Veterinary Surgery, Skelton, Penrith, Cumbria.

We began using the ADE systems approximately six years ago, and have recently bought a third. The systems are extremely simple to use and robustly made. We have never had any problems with them of any sort, and we have used them with patients from 100g to 95Kg. It takes virtually no time to be trained in their use and all of our staff are very fond of them. I have found them very easy to maintain and service, with a very helpful parts service and prompt delivery. From a business perspective, the tiny, tiny flow rates (usually 500ml per min for any size patient) have significant advantages in terms of huge reduction in waste gas, wasted agent and hence the disposal of these. Why use anything else?
Tom North, MA VetMB MRCVS

We opened the clinic in May 2017 and decided to purchase 2 ADE systems. We have one in theatre and one in Prep. Having researched the sytem I felt it would be easy to use and also cost effective to run. My experience has been that the answer is yes to both these things. Firstly there is no need to swap circuits for different size patients-simplyremove the soda lime canister for the small ones. Also when it comes to IPVV there is no need to change or fiddle with any valves etc.

From and economic perspective this is where the system comes into its own. in the 6 months we have been open, between both anaesthetics machines and daily surgical procedures we have used just one J size oxygen cylincder and topped the isoflurane up just a handful of times between the two circuits. The low flow rates maintain excellent o2 saturation and patients are stable under GA. All in all money well spent.
Clare Brankin, Newtownards Vets4Pets.

I’ve just spoken to Dr Humphreys about our ADE circuits which we have had for 2 years, and he has asked me to write a note to you confirming that I am happy with the equipment.
‘I have been delighted with our conversion to ADE circuits in both our surgeries. We use an oxygen generator which has never let us down. Our bills for oxygen cylinders have vanished, our usage of isoflo has dramatically reduced and the quality of anaesthetic for the animals has been excellent. I would not go back to conventional circuits now, and as a VN training practice, I find it frustrating that all nurses are not yet taught how to use these circuits during their course.’
Bernice Fitzmaurice, Riverside Veterinary Care, Abergavenny

As a British vet working in Bali, where servicing is an issue, I needed an anesthetic machine that was user friendly to my Indonesian staff, robust in a hot and humid climate, and with economic running costs. I discovered the Humphrey Free-Ox system at the London Vet Show and it has been a marvellous buy. My clinic has used it daily for almost a year without a single malfunction, nothing has needed servicing or replacing, and our Isoflurane costs are much lower than the would otherwise be. I plan to order a second machine soon
Matt Homfray, Director, Vet International, Bali

We have used the ade circuit since 2018 in our 1st opinion small animal practice. Having used a variety of conventional circuits we were initially apprehensive about the transition to this one, however, we have found the circuit very easy to use, versatile and economical. The low oxygen requirements have been problem free with patients and has reduced our oxygen bill.
Sam, Vicarage Veterinary Centre

New Zealand testimonials

Just a note to confirm for your interest that the two ADE systems we purchased from you are performing admirably. All four vets and the theatre staff have now adjusted to the changes in using your system. The benefits of reduced use of isoflurane, less wastage and pollution, and the ability to provide a low flow general anaesthetic that gives a smoother more effective result for the patient have appealed to all of us. No one would return to the old Bain or large circle system!!! We have implemented the advised maintenance procedures
Dr Mike Gething, Howick Veterrinary Clinic

We have recently purchased three of your anaesthetic systems as replacements for the systems we were using. They are working well & producing the benefits which motivated us to purchase them. They are very sparing on both anaesthetic gas and oxygen which should give us financial savings of between 60-70%. With this reduction in anaesthetic consumption, there will of course be a reduction in atmospheric and theatre pollution, and therefore an increase in safety for our staff. Our patients will also benefit from the system’s design as it is very efficient, working with low gas flows and very little airflow resistance. As a clinic that anaesthetises hundreds of puppies & kittens every year, this is obviously important. Thanks again for introducing this innovative equipment that is certainly far superior to what we were using.
Dr Peter McQueen, SPCA, Auckland

Dr Humphrey has visited our veterinary hospital on several occasions over the past few years and his guidance has helped us make some considerable advances in the way in which we practice veterinary anaesthesia. The Humphrey ADE-circle system is extremely well designed and easy to use. I frequently recommend this product to other veterinarians.
Dr Richard Jerram – Veterinary Specialist Group, Auckland

His product is innovative and unique and introduced new technology to the marketplace … We have been pleased with the
quality and dependability of David’s product and the follow up service we have received from him.
Dr Scott Drummond, Green Island Vet Clinic DUNEDIN

Dr David Humphrey demonstrated his Humphrey ADE anaesthetic system about 18 months ago at our clinic. I was so impressed, I bought three on the spot, and helped arrange lectures and demonstrations. Not only is the equipment excellent, giving significant benefits in patient safety at lower operating cost, but also David’s technical expertise is invaluable. This is especially evident during his clinic visits as he advises on many aspects of anaesthetic equipment set­ ups, utilization and safety.
Dr Hans Anderson, Halifax Veterinary Centre. NELSON

…thank you for the sale and installation of your well-designed ADE anaesthetic systems (2 bought). They have delivered
on all the fronts that you said they would… Also their simplicity has made them easy to use and easy to train new staff to
use, such that we can have high confidence in our anaesthetic protocols.

A good example was last week when we performed a repair to a traumatic diaphragmatic hernia in a 2. 5kg cat. The
simplicity of managing the manually controlled respiration during surgery with the unique pop-off valve system of the ADE-circuit made the whole procedure much easier. The cat has made an excellent recovery.
Dr lan Schraa Paremata, Paremata Veterinary Hospital, WELLINGTON

We have been using the Humphrey ADE-Circle Anaesthetic System for about 6 months now and find it safe and simple to
use. We have found the system to be a very economical option in comparison with our previous Bain system. There are
significant cost savings on both isoflurane and oxygen usage.. We appreciate the technical support given both pre and
post purchase and the ease of servicing provide by Anaequip-vet NZ.
Dr David Kettles, Central Hutt Veterinary Clinic, LOWER HUTT

As the machine runs on amazingly low oxygen flow rate, we have also found that our use of both anaesthetic agent and oxygen has been markedly reduced. This benefits us not only financially but we are pleased to think that there is less theatre and atmospheric contamination.
Dr Andea Wilson, Raumati Veterinary Centre, Raumati

Thank you for supplying the two Humphrey ADE-circle anaesthetic systems we purchased in March 2006. They have revolutionised our anaesthesia with the practice and are in use daily. The systems was even used successfully on an orthopaedic procedure on a donkey recently!

Our staff have adapted to their use very quickly which is amazing when we have used the old systems for so long. I’m sure this is in part at least due to your clear and easily understood explanations of how they function, and their care and maintenance when you installed the units. There is no equivalent product on the market in New Zealand.
Dr Michael Lintott – Carlyle Veterinary Clinic, Napier

We find the use of this system very beneficial as it saves costs by using less anaesthetic agent and oxygen…less pollution… it is safer for our patients as it automatically prevents pressure build up with the anaesthetic circuit.
Dr Mark Simpson – Auckland Veterinary Services Glen Eden

I have used his Humphrey ADE Anaesthetic system found it a very useful patient breathing circuit in very small patients
such as cats and dogs. The system is simple and highly efficient. The system appears to be of high quality and I have certainly found it useful.
Dr Roslyn Machon, Massey University Veterinary Teaching Hospital

I calculated in our veterinary practice using costings from the previous year, that the total cost of the four (ADE) machines
would have paid for themselves in savings on Isoflurane and oxygen in approximately 11 months. It made good common
sense to have 4 systems all functioning the same …. In the 15 months that we have been using the system we have not
experienced any anaesthetic complications. I am very happy with the Humphrey ADE system and strongly recommend that all Veterinary Practices in New Zealand purchase one to see for themselves the huge benefit to the animals, Veterinary staff and the environment.
Dr Don Alexander Pukekohe Vet Centre, Pukekohe

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