Technical Briefs

Compliant Device for Abdominal Wall Lifting in Gasless Laparoscopy

[+] Author and Article Information
Jared Ostdiek

Dept. of Mechanical Engineering,
University of Nebraska–Lincoln

Carl Nelson

Dept. of Mechanical Engineering,
University of Nebraska–Lincoln; Dept. of Materials Engineering,
University of Nebraska–Lincoln

Manuscript received March 15, 2013; final manuscript received April 24, 2013; published online June 12, 2013. Editor: Arthur G. Erdman.

J. Med. Devices 7(2), 020914 (Jun 12, 2013) (3 pages) Paper No: MED-13-1058; doi: 10.1115/1.4024326 History: Received March 15, 2013; Revised April 24, 2013

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Grahic Jump Location
Fig. 1

Prototype in the retracted position

Grahic Jump Location
Fig. 2

Deployed state of the device prototype for lifting the abdominal wall

Grahic Jump Location
Fig. 3

Updated design using of 1.02 mm diameter nitinol and including a bevel tip

Grahic Jump Location
Fig. 4

Leaf spring mechanism providing traction to the device

Grahic Jump Location
Fig. 5

Device supporting a 20 lb load. Foam and thin cardboard were used as a rough analogous abdominal wall. Hand is stabilizing, not supporting, the weight.



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