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CMC Rescue MPD in a Mirrored System for Mountain Search and Rescue Raise and Lower Technique

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Published on Jun 18, 2012

See the MPD more info & PDFs: http://www.cmcrescue.com/mpd
Visit CMC Rescue School: http://www.cmcrescue.com/rescue-school
CMC Rescue Sale & Featured Gear: http://www.cmcrescue.com/c/factory-ou...

The CMC Rescue MPD (Multi Purpose Device) is a revolutionary piece of rescue equipment which allows a rescuer or rescue team to go from lowering to raising without changing hardware.


More than nine years of research and development went into our patented Multi-Purpose Device (MPD), which features major innovations in advanced technical hardware for rope rescue professionals. The MPD's high-efficiency pulley, with an integral rope-grab mechanism, means it can be used as a lowering device on the main line and belay line systems and be quickly changed over to a raising system without switching out or replacing hardware. The combination of essential features into a single device simplifies on-scene rigging, expediting the rescue. The revolutionary MPD increases user safety with:
- Reduced Weight
- Fewer Components
- Faster Rigging
- Quick Changeovers
- Simplified Training
- Lower Risk

The latest innovation in rope rescue is the mirrored rigging system. Olympic Mountain Rescue is using the CMC Rescue MPD, Multi-Purpose Device, as part of their mirrored system in the snow for a low angle practice evacuation. The MPD incorporates a high efficiency pulley with an integral rope locking mechanism, or ratchet, for a haul system. This single device functions as both a lowering brake and as a ratcheting pulley for raising. The MPD contains a variable friction descent control device for rescue systems and rappels. The built in becket allows cleaner rigging by allowing fewer components when adding pulley systems. It also allows a rescue team to go from lowering to raising without a change in hardware.

Here the team is conducting a practice pick-off and evacuation of an injured climber on the rocks above a lake. The gear is packed and the team starts heading up. The team is setting up a high directional on the main line, again using the MPD, this time as part of an integrated lowering and raising system. The MPD is ideal for setting up a mirrored rope system in which each rope is concurrently capable of acting both as the main and the belay. This minimizes rope stretch and reduces peak force in case one of the rope systems fails. It also helps to manage the danger of rock fall. The team shifts quickly from a 3:1 to a 5:1 and then to a 7:1 mechanical advantage system. During the edge transition the main line takes the load and the belay is only hand tight. This reduces the risk in case the litter attendant should stumble. If the load falls sideways the untentioned belay is less prone to damage during an uncontrolled pendulum on an unprotected sharp edge.

Rescue in a remote mountain environment requires a high level of skill, coordination and the best available equipment to do the job efficiently and safely. Use of the MPD in a wilderness setting has been steadily growing as teams recognize that it increases user safety with reduced weight, fewer components, faster rigging and simplified training.


CMC Rescue, the most trusted name in rescue equipment and training. CMC Rescue Equipment and CMC Rescue School specialize in providing rope rescue gear products, rope hardware and rescue kits and systems as well as providing rope rescue and rope access training for pros in technical rope rescue, fire rescue, search and rescue, SAR, tower rescue and industrial rope access. In addition, CMC offers rescue equipment and training school classes for confined space rescue and entry, air rescue operations, helo ops, swiftwater and flat water rescue and courses for work at height fall protection. Some of the quality products offered by CMC Rescue Equipment are Petzl and DBI SALA products, Aztek pulleys, ProSeries pulley systems, CMC Roco harnesses, ProTech carabiners, Arizona Vortex and Sked Evac tripods, Skedco and Traverse Rescue litters and stretchers, lanyards, straps and anchors, books, manuals and field guides.

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