By: Dr. Irving Ojalvo
Tel: (800) 358-9909
Fax: (888) 358-9901
Email: Technology Associates
Approximately 125,000 serious injuries occur in the US each year related to the use of portable and fixed power saws. Lacerations and similar injuries, such as abrasions and avulsions, account for over 90% of these, which generally occur to males and result in losses in the tens of millions of dollars annually. Although hand and finger blade contact is involved in most of these accidents, a significant number involve kickback of the work-piece for fixed saws or kickback of the tool for hand held units. In many of these cases, a blade-guard or anti-kickback device was either not in place or failed to operate properly.
We are familiar with the various standards associated with power saws and have been involved in scores of investigations associated with all types of saws including:
Through scientific analysis, we can help you answer pertinent questions such as:
Hand-held Circular Saw Kickback:
A man was using a hand-held circular saw to cut a piece of wood when the blade encountered a knot. The saw kicked back but the blade-guard did not cover the blade in time, allowing the rotating blade to cut the man's free hand. The defense argued that the sticking blade guard became bent when the user dropped the saw. Through testing, we showed that the blade-guard had been manufactured with a bend, resulting in its sticking open before it covered the blade.
Table Saw Blade Contacts Operator's Hand:
The promising career of a jazz musician ended abruptly after a table saw he was using injured his right hand. Dr. Ojalvo demonstrated to the court that it was technically and economically feasible to install a safety interlock mechanism, which would shut off power to the blade when the guard was removed. As a result, the jury awarded the Plaintiff $1.6 million in damages.
Dr. Irving Ojalvo is Chairman of Technology Associates (www.technology-assoc.com), a forensic engineering firm with offices in New York City and Connecticut. The firm's technical personnel, all of whom have advanced degrees, perform accident reconstruction involving issues of biomechanics, mechanical, traffic, and human factors engineering.
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