Resistance forces acting on suture needles

Frick, T.B; Marucci, Damian D.; Cartmill, John; Martín, Christopher J.; Walsh, William R.

doi:10.1016/s0021-9290(01)00099-9

Cited by 82 publications

(63 citation statements)

References 10 publications

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“…Results with skin present two peaks of force curve, which stand for the peak force of stratum corneum and dermis, respectively (Jee and Komvopoulos 2014). It can be seen that the peak force of dermis is 1.6 times larger than that of stratum corneum, with the same result of literature shown by Frick et al (2001). And it suffered a sharp decrease before it reached an equilibrium …”

Section: Influence Of Tissue Characteristicssupporting

confidence: 68%

Experimental study of needle–tissue interaction forces: Effect of needle geometries, insertion methods and tissue characteristics

Jiang¹,

Li²,

Yan³

et al. 2014

Journal of Biomechanics

121

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Section: Influence Of Tissue Characteristicssupporting

confidence: 68%

Experimental study of needle–tissue interaction forces: Effect of needle geometries, insertion methods and tissue characteristics

Jiang¹,

Li²,

Yan³

et al. 2014

Journal of Biomechanics

121

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“…The puncture forces for pig and sheep liver and spleen using a scalpel [3] and the puncture forces for sheep skin and tendon using suture needles [5] have been measured. In both studies, a large intraindividual variability was found, whereas interindividual variability was not measured.…”

Section: Discussionmentioning

confidence: 99%

Inter- and intraindividual variabilities of perforation forces of human and pig bowel tissue

et al. 2003

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“…All these paper show that blunt blades require more energy to cut than sharp ones. The forensic literature includes experimental work on sharp implements and their effect on human tissue, especially puncture wounds from needles (O'Callaghan et al, 1999;Frick et al, 2001;Shergold and Fleck, 2004). The fracture properties of animal tissue are an issue in the food science literature, but the tissue itself is typically highly processed beforehand (e.g.…”

Section: Introductionmentioning

confidence: 99%

Functional consequences of tooth design: effects of blade shape on energetics of cutting

Anderson

LaBarbera

2008

Journal of Experimental Biology

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SUMMARYDental structures capture, retain and fragment food for ingestion. Gnathostome dentition should be viewed in the context of the preyʼs material properties. Animal muscle and skin are mechanically tough materials that resist fragmentation unless energy is continually supplied directly to the tip of the fracture by some device such as a blade edge. Despite the variety of bladed tooth morphologies in gnathostomes, few studies have experimentally examined the effects of different blade designs on cutting efficiency. We tested the effects of blades with and without contained notches and in a ʻfangʼ configuration on the force and energy required to fracture raw, unprocessed biological tissues (fish and shrimp) using a double guillotine device. Blade design strongly affects the work required to fragment biological tissues. A notched blade reduced the work to fracture of tissues tested by up to 600 J m -2 (50% reduction). The specific angle of the notch had a significant effect, with acute angles more effectively reducing work to fracture. A bladed triangle matched to a notch reduced work to fracture more than a notch-straight blade pair. Strain patterns seen while cutting photoelastic gelatin indicate that the reduction in work to fracture with triangular and notched blades arises from a combination of ʻtrapping abilityʼ and blade approach angle causing the material to fracture at lower overall strain levels. These results show that the notched blade designs found in a wide variety of vertebrate dentitions reduce the energy expenditure (and presumably handling time) when cutting tough prey materials like animal flesh.

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Resistance forces acting on suture needles

Cited by 82 publications

References 10 publications

Experimental study of needle–tissue interaction forces: Effect of needle geometries, insertion methods and tissue characteristics

Experimental study of needle–tissue interaction forces: Effect of needle geometries, insertion methods and tissue characteristics

Inter- and intraindividual variabilities of perforation forces of human and pig bowel tissue

Functional consequences of tooth design: effects of blade shape on energetics of cutting

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