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Home>Topics>>Victim Trapped When Car Overturned

Victim Trapped When Car Overturned

Tue, 19 Oct 2010|

Paul DeBartolomeo demonstrates how to use air bags to lift a vehicle that has overturned with a victim pinned underneath it.



[MUSIC] [MUSIC] Hi, I'm Paul DeBartolomeo. Welcome to training minutes. In this month's segment, we're gonna deal with an overturn with a partial ejection and a person pinned underneath the car. As we could see, our victim has the leg pinned under the A post and their arm pinned under the B post. In order to extricate this person we're gonna have to lift the vehicle and get their body parts out. The first we need to do is stabilize the vehicle for our lift. Firefighters are gonna come in, and the first thing they're gonna do is stabilize the front end of the vehicle. We're gonna be lifting the back side of the vehicle. We don't want this vehicle to slide forward on us as we lift. As we can see here, the victim's leg is pinned under the A-post. There is a small void between the ground and the car. We want to be able to chock up in the there so when we lift there's no downward pressure put on this victim's leg. So the firefighters are going to get, again come in, with our step chocks and they are going to fill that void with cribbing. We're gonna opt to do a multi point parallel lift on this. What we're gonna do is pass a four by four beam, an eight foot beam, through the back window here, we're gonna build up two lift stacks, one on each side of the car. We're gonna build them tight up to the underside of that four by four beam, and we're actually going to be able to lift this entire vehicle up off the ground in order to free our victim. We have some options as far as this lift goes. We could slide some airbags in under the roof and, lift like that. These are high pressure airbags. That's sheet metal which is not very secure. We'd probably get a lot of deformity and probably wouldn't get a very good lift result. Another option we have is we could try to lift off the trunk. Again, we're dealing with the trunk cover, it's sheet metal. The trunk is hollow. We would probably get another, a lot of deformity,. Another thing we'd have to worry about, all the way on this vehicle in the front is the motor. As we can see it's sloped down. We're getting into that threshold of height here. If we remember from a previous segment, our lift stacks and our capture stacks should really only be about 48 inches high. We're kinda at that threshold right now where we could get unstable. We also have an angle here so in order to get good contact we'd have to angle our bags with wedges and we could have one of our bags kick out. So for our evolution, what we're going to do is we're going to do this parallel lift with the four by four beam. I think it'll be much safer and secure lift. So, we're gonna get in to lifting this vehicle now. Alright, so as you can see, we've prepared a four by four lift stack to extricate this person from underneath the car. What we're gonna do now is we're gonna complete our lift stack, we're gonna come in with a plywood pad, to give ourselves a solid base, securely put that on top of our stack. And were gonna pass our four by four through the back end of the car. We set our bags up, again we wanna use stacked bags. In this case, we using a 20 ton bag and a 17 ton bag. We wanna try to use the biggest bags we can get in place securely so we can get that added height we need. Okay pass it through. Alright, were gonna pass that four by four through. What we want to try to do is securely get that four by four right into the corner here. [SOUND] When we pass it through, we want to make sure it's got even coverage on both sides of the vehicle, so it, it might be wise for a firefighter to walk around and check and make sure we have even overnha, overhang. On both sides of the vehicle. We want to center it on the X, but we dont want it over hanging more on one side than the other. >> We're good on my side Ed. >> Right here. >> Okay, the last thing we wanna do is really firm this up into place, so we take a few two by four shims there and we'll lock this four by four right into place. A two by fours. Two by four shims. Composing. [SOUND] Now, as we can see, we're butted right up against the door frame here. So, we'll get optimum list. [BLANK_AUDIO] Alright, we're set up, we're even on both sides. We're ready to start our lifts. >> OK, you all set on your side? >> We're good. >> Joe, you all set? >> Yes sir. >> OK, Up on the lower backs. [BLANK_AUDIO] Okay stop on the lower bags. 'Kay, let's switch them out for the top bags. >> All right, what we have here is we have our inline relief valves in place. If we didn't have a Y in our, master control kit where we could run two bags at the same time. We have to utilize or inline relief valves. What this allows us to do, is shut air off from the bag, we can disconnect our hose from the bottom bag. The bag is locked out. We can connect it to our top bags. We need to do this on both sides. As far as the controller goes, the firefighter running the controller has gotta try as best he can to apply even pressure to both activating knobs. If we were to do it unevenly the lift is going to get uneven. So when we switch up bags, the command is now going to be up on top. He's got to apply pressure to those activating knobs evenly. Ed are you all set? >> Good. >> So are you set? >> Yep. >> Okay we're gonna go up on the top bags. Okay stop on the top bags. Okay, we have our clearance. >> Okay, as we can see... We've gained our clearance. We're gonna take a minute to reset all our stabilization. We're gonna lock this load out. Our four by four is gonna act as a stabilizer. We could now move on to the extrication of this patient. [SOUND] As we can see, we've stabilized the load. We've captured it. We've got enough lift now to perform our extrication. The firefighters are gonna be able to get the body parts that were pinned under the A and the B posts loose. And then start to extricate this person. We have to try to pay particular attention to see spinal immobilization. This is an overturn. This person may have incurred neck and back injuries, so as best we can we wanna immobilize that head, or we can call this patient and pass them off to EMS as quickly as we can. [BLANK_AUDIO] So, as you can see, what we've done here is pass a 4x4 post, an eight foot long post through the back window here. We've secured it in place, we utilized it to lift this vehicle. It's a great method to get. A good degree of lift, that we could get somebody out of an overturn when they're pinned. I'm Paul deBartholemell. Thank you for watching Training Minutes.

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