ArticleJSLS : Journal of the Society of Laparoendoscopic Surgeons
Development of Medical Shark Skin Forceps: Improved Grasping Power and Easy Manipulation.
Article in JSLS : Journal of the Society of Laparoendoscopic Surgeons. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors at 1 institution in 1 country.
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Abstract
Background and Objectives: Important safety requirements for forceps used in surgical procedures are the ability to stably grasp fine tissue and to cause minimal tissue damage. Shark skin has the structural feature of circumpolar scales, which increase the frictional force of the scales by roughening their surface. We have developed and patented medical forceps with a shark skin pattern placed on the tip surfaces. The aim of this study was to examine the safety and efficacy of the shark skin forceps compared with existing forceps, both fundamentally and clinically. Methods: To evaluate gripping power and usability, we compared bead transfer times for each forceps type. Grasping force and frictional force were measured quantitatively and compared among the types. To evaluate safety, we performed pathological examination of lung and urethral tissue after grasping, in an animal experiment. Subjective assessment of user experience was then performed using a questionnaire. Results: In the dry lab assessment, transfer time was fastest using the shark skin forceps (34 s vs 61 s and 62 s, p < 0.05). Frictional force values were highest for the shark skin forceps (p < 0.05). In the animal experiment, there was no difference in pathological tissue damage to lung or ureter tissues among the forceps types after grasping. The questionnaire responses indicated advantages of the shark skin forceps in terms of ease of grasping membranes and lower degree of grasp failure. Conclusion: Forceps with shark skin on the tips showed greater stability of tissue grasping and equivalent safety compared with existing forceps.
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