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Visit to Naval Hyperbaric Centre
3rd October 1998

This web page was created on 31 October 1998
This page was last updated on 29 August 1999




Naval Medicine & Hyperbaric Centre
Republic of Singapore Navy
Sembawang Naval Base
(Photo reference: ndu-03a)
Organised by the Singapore Underwater Federation , some Mako divers visited the Naval Hyperbaric Centre on 3rd October 1998.

A part of the Republic of Singapore Navy, the Naval Medicine & Hyperbaric Centre, located at the Sembawang Naval Base along Admiralty Road.

This centre is recognised by the Divers Alert Network (DAN) as a vital medical care provider in our part of the world when treatment is needed in event of diving accidents.  It was therefore an asset to become aware of this important entity in our diving community.


The visit proper began at about 9 am with a talk and presentation by a medical officer ("doctor" to us average people). 

This talk covered interesting topics like the physical causes & physiological effects of barotrauma (injuries due to changes in ambient pressure).  

Some recent cases of diving accidents were related to give participants an appreciation of how serious air embolism and decompression illness can be.


(Photo reference: ndu-06a)



(ndu-10a)

(ndu-36a)
The second half of the presentation gave an overview of recompression chambers and treatment.  We were told of how diving patients respond to recompression treatment, how the definite signs of decompression illness manifest during treatment.

After a refreshment break, the group toured the actual facilities.  The Hyperbaric Centre itself is located in the Naval Diving Unit (NDU) within the Sembawang Base.  This is where the actual chambers are actually located and operated. 

Serving mainly the navy divers, it also treats patients of "compressed air illness" (construction workers in tunnelling projects), victims of diving accidents, as well as patients undergoing hyperbaric treatments for other ailments (like chronic ulcers from diabetes).


The senior medical orderly ("medic" or "nurse" to us average people) then briefed us on the various facilities in the centre.

The first, probably most useful chamber was this one (see photo).  It was a 10-man chamber, but has many useful features.

The first and most obvious feature is an additional airlock at the end which allows other portable chambers to connected to it, so patients or diving personnel need not return to normal atmospheric pressure to enter it.


Being told of the merits of having such an airlock: used for connecting portable chambers without decompression
(Photo reference: ndu-12a)


   

Bring briefed about the hazards that can occur in the chamber, how treatments are performed
(Photo reference: ndu-17a)

The two chambers: "Japanese", "British" on the right.
(Photo reference: ndu-11a)

The "Japanese" chamber, though somewhat smaller, it also takes ten men
(Photo reference: ndu-14a)

The "British" chamber, with focus on the attached toilet facilities.
(Photo reference: ndu-18a)

Control Panel for the "Japanese" chamber
(Photo reference: ndu-19a)

Control Panel for the "British" chamber
(Photo reference: ndu-20a)

(Photo reference: ndu-35a)

The breathing apparatus used in the chamber; note the supply hose on the left and the corrugated exhaust hose on the right. Exhausting the oxygen externally reduces the build-up of oxygen in the environment within the chamber during treatment.

(Photo reference: ndu-26a)

(Photo reference: ndu-23a)

(Photo reference: ndu-22a)

(Photo reference: ndu-22a)

This chamber is meant more for the hyperbaric treatment of individuals. The whole environment within the chamber can be filled with oxygen... of course, it then gets quite dangerous as oxygen is highly explosive.
(Photo reference: ndu-27a)

(Photo reference: ndu-29a)





    SOME GROUP PHOTOS TO REMEMBER VISIT


(Photo reference: ndu-30a)

(Photo reference: ndu-31a)

(Photo reference: ndu-32a)

(Photo reference: ndu-33a)