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Hand injury from powered wood splitters: machine safety, patterns of use and injury events
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Hand Surgery.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Orthopaedics.
2011 (English)In: International Journal of Occupational Safety and Ergonomics, ISSN 1080-3548, E-ISSN 2376-9130, Vol. 17, no 2, 175-186 p.Article in journal (Refereed) Published
Abstract [en]

Introduction: The purpose of this study was to describe factors of possible importance for the occurrence of hand injury from powered wood splitters.

Patients: Patients were identified by a computerized patient registry. Information was obtained from hospital records, a written questionnaire and a structured telephone interview.

Results: Very few splitters were constructed according to European Standards. Twenty-one percent of patients injured by wedge splitters thought that having more than one person at the machine was one cause of the accident. Seventy-nine percent of patients injured by screw splitters stated that glove use was one cause of the accident.

Conclusions: The level of safety in wood splitters that cause hand injury is often poor. Having more than one person at the machine during work may contribute to wedge splitter injury. Glove use commonly contributes to screw splitter injury. Prevention should be directed towards unsafe machines and dangerous patterns of use.

Place, publisher, year, edition, pages
2011. Vol. 17, no 2, 175-186 p.
Keyword [en]
Log splitter, Non-intentional injury, Consumer product related injury, Occupational injury, Agricultural injury, Injury prevention, Hand injury, Child injury
Keyword [sv]
Vedklyv, Hydraulklyv, Skruvklyv, Arbetsskada, Handskada, Skadeprevention
National Category
Surgery Surgery Surgery Environmental Health and Occupational Health
Research subject
Plastic Surgery
Identifiers
URN: urn:nbn:se:uu:diva-129397ISI: 000292233400008OAI: oai:DiVA.org:uu-129397DiVA: diva2:346267
Available from: 2010-08-31 Created: 2010-08-14 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Hand Injury from Powered Wood Splitters
Open this publication in new window or tab >>Hand Injury from Powered Wood Splitters
2010 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The purpose of this study on hand injury from powered wood splitters was to describe injury epidemiology and anatomy, to rate injury severity, to evaluate the outcome after injury and to describe factors of possible importance for the occurrence of injury.

By searching a computerized patient registry, 131 patients injured by wood splitters from 1995 to 2001 were identified. Information was obtained from hospital records and radiographs, a written questionnaire and a structured telephone interview. Injury severity was rated according to the Hand Injury Severity Scoring System (HISS system) and the Injury Severity Score (ISS). Outcome was evaluated with the Disabilities of the Arm, Shoulder and Hand outcome questionnaire (DASH) and, in 26 of the most severely injured patients, with the Sollerman test.

Forty-six percent of the injuries occurred during April or May. Wedge splitters caused 82 % of all injuries and most often injured the index finger, while screw splitters caused 18 % of all injuries and most often injured the metacarpus. Screw splitters caused palmar perforation and thumb avulsion. Sixty-three percent of all patients had an amputation or devascularising injury. The reliability of HISS rating was good. The mean Hand Injury Severity Score (HISS) was 63 which is equivalent to a severe hand injury. The mean ISS was 3.7. Nineteen percent of patients had minor, 31 % had moderate, 23 % had severe and 27 % had major injury according to the HISS system. Children had more severe injuries than adults. There was no significant difference regarding HISS or DASH scores between wedge and screw splitter injuries. The mean DASH score was 15, indicating moderate residual sequelae, but patients without sequelae and patients with grave sequelae were found in all HISS severity grades. There was a weak but significant correlation between the HISS and DASH scores. The mean Sollerman score in the injured hand was 66, indicating significantly impaired hand function. Twenty-nine percent of splitters were home-made. Very few machines had the safety measures required by European Standards. Children were present during splitting in at least 15 % of cases. Not being alone at the machine was one cause of wedge splitter injury. Glove use was one cause of screw splitter injury.

Hand injury from powered wood splitters is a significant problem. Many of the injuries are severe, and cause long term sequels and impairment of hand function. Prevention is essential and should focus on unsafe machines and dangerous patterns of use.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2010. 62 p.
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 1651-6206 ; 595
Keyword
Wood splitter, Wedge splitter, Screw splitter, Consumer product related injury, Agricultural injury, Occupational injury, Hand injury, Child injury, Injury prevention, Vedklyv, Kilklyv, Hydraulklyv, Skruvklyv, Arbetsskada, Handskada, Skada barn, Skadeprevention
National Category
Surgery Surgery Surgery Environmental Health and Occupational Health
Research subject
Plastic Surgery
Identifiers
urn:nbn:se:uu:diva-130154 (URN)978-91-554-7884-1 (ISBN)
Public defence
2010-10-28, Rosénsalen, Akademiska sjukhuset, Uppsala, 13:00 (Swedish)
Opponent
Supervisors
Available from: 2010-10-06 Created: 2010-09-02 Last updated: 2016-04-21Bibliographically approved

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Lindqvist, AronNilsson, Olle

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