looking to buy rescue stretcher

Here is a directory of companies found under Hospital Equipment.

Equipo/Material Hospitalario de Repblica Dominicana. Livio.com Portal Dominicano

It will take some time to look through all of these, but perhaps one might have what you are looking for, or be able to get the material for you.

Are you using frame packs in your group? There is a technique of lashing three frame packs together to make a very workable little for getting someone out. Two support the person being carried out and the third ties the other two together.

Wilderness First Responder: How to ... - Google Books

They are actually pretty sturdy and comfortable. We had to learn how to make them in an outdoor course I took. You can also fashion neck braces and soft casts from sleeping pads.

I followed an ambulance down the malecon last night with the doors swinging open, never know your luckirate:

If all else fails, try Galls online. They have shipped to me in the DR by FedEx. About Galls - Police Gear - Police Equipment - Police Uniforms - Public Safety Equipment: Galls