BACKGROUND: Manipulation of sutures during endoscopic surgery could lead to damage of suture structure, supposedly resulting in loss of strength. Lack of tactile feedback in robotic surgical systems might increase this problem. The objective of this study is to evaluate suture strength after robotic manipulation and to determine which suture material is least susceptible to damage from robotic manipulation. METHODS: The da Vinci surgical system was used to manipulate sutures. Three different suture materials (Prolene, ePTFE, Ethibond) of 3 different sizes (3-0, 4-0, and 5-0) were tested. A total of 270 sutures were pulled on a Servohydraulic Universal Testing Machine. The frequency of breaks at a manipulation-point and the maximum applied force (N) before the suture broke were used for statistic analysis. RESULTS: No loss in strength was shown in the ePTFE sutures after manipulation, whereas both Prolene and Ethibond sutures showed a significant loss of strength. CONCLUSIONS: ePTFE sutures are least susceptible to robotic manipulations and are, therefore, to be considered as a material of first choice.
BACKGROUND: Manipulation of sutures during endoscopic surgery could lead to damage of suture structure, supposedly resulting in loss of strength. Lack of tactile feedback in robotic surgical systems might increase this problem. The objective of this study is to evaluate suture strength after robotic manipulation and to determine which suture material is least susceptible to damage from robotic manipulation. METHODS: The da Vinci surgical system was used to manipulate sutures. Three different suture materials (Prolene, ePTFE, Ethibond) of 3 different sizes (3-0, 4-0, and 5-0) were tested. A total of 270 sutures were pulled on a Servohydraulic Universal Testing Machine. The frequency of breaks at a manipulation-point and the maximum applied force (N) before the suture broke were used for statistic analysis. RESULTS: No loss in strength was shown in the ePTFE sutures after manipulation, whereas both Prolene and Ethibond sutures showed a significant loss of strength. CONCLUSIONS: ePTFE sutures are least susceptible to robotic manipulations and are, therefore, to be considered as a material of first choice.
Authors: Ahmad Abiri; Omeed Paydar; Anna Tao; Megan LaRocca; Kang Liu; Bradley Genovese; Robert Candler; Warren S Grundfest; Erik P Dutson Journal: Surg Endosc Date: 2016-12-07 Impact factor: 4.584
Authors: Ahmad Abiri; Syed J Askari; Anna Tao; Yen-Yi Juo; Yuan Dai; Jake Pensa; Robert Candler; Erik P Dutson; Warren S Grundfest Journal: IEEE Trans Biomed Eng Date: 2018-09-10 Impact factor: 4.538
Authors: Ahmad Abiri; Yen-Yi Juo; Anna Tao; Syed J Askari; Jake Pensa; James W Bisley; Erik P Dutson; Warren S Grundfest Journal: Surg Endosc Date: 2018-09-05 Impact factor: 4.584