rotated in a clockwise fashion to rest on top of the backboard 800 pushing downward on the outer portion of the clamp 806 locks the entire clamp in place and secures the backboard 800 to the ledge 700 as illustrated in fig8 a this is a two step locking mechanism and as such can be accomplished within seconds when using a slide in pin 720 as the clamping mechanism the medical technician would start with the slide in pin 720 removed from slide in pin hole 715 as illustrated in fig7 c referring to fig8 c the slide in pin 720 would be inserted into slide in pin hole 715 so as to rest on top of the backboard 800 although a pediatric patient immobilized on a backboard 800 may be secured directly to a stretcher in conventional manner securing the pediatric patient within the device 100 allows the technician full access to pediatric medical supplies located within the device 39 s storage compartments 500 505 as well as full access to the device 39 s data acquisition device 600 to obtain accurate information about the child 39 s vital signs en route upon arriving at the destination the medical technician may choose to unlock the backboard 800 from the device 100 and transfer the child to a stretcher at the facility so that they may return to active service to unlock the backboard 800 the medical technician simply pulls up on the outer portion of the clamp 806 which releases the inner portion of the clamp 808 and as a result disengages the locking mechanism securing the backboard 800 the backboard will still be lying on the ledges 700 of the device 100 the technician then lifts the patient still immobilized on the backboard 800 and transfers them.