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Original Research

A Novel Non-Gas Endospray for Applying Fibrin Glue in Laparoscopic Surgery

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Abstract

Purpose: Fibrin glue and polyglycolic acid felt are used for tissue repair in various surgical procedures. However, using a spray device to apply fibrin sealant during laparoscopic surgery can increase the intraperitoneal pressure, which can cause complications such as air embolism. We developed a novel non-gas endospray for use in laparoscopic surgery. This study aimed to evaluate the sealing effect of this non-gas endospray in comparison with a conventional gas-spray device and to evaluate the safety of its application in the clinical setting. Materials and Methods: An ex vivo pressure test model was used to assess the sealing effect of the non-gas endospray (method 1) versus conventional gas-spray (method 2). A bottle was sealed with a rabbit skin sample that had been pierced nine times by a 19G needle. Each skin sample was sealed using either method 1 or method 2 (n = 10 for each method). The non-gas endospray was then used in two patients undergoing laparoscopic splenectomy with CO2 pneumoperitoneum. Intra-abdominal pressure was measured throughout the surgery. Results: Bursting pressures were similar in method 1 (246.9 ± 123.2 mmHg) and method 2 (265.5 ± 93.6 mmHg; P = 0.7082). During laparoscopic splenectomy, the non-gas endospray was successfully used to apply fibrin glue without any increase in intra-abdominal pressure. Conclusions: The novel non-gas endospray produced a strong sealing effect similar to that of a conventional gas-spray device and has thus far proved feasible in the clinical setting.

Acknowledgments

The authors thank the Chemo-Sero-Therapeutic Research Institute, Kumamoto, Japan, for their important experimental assistance.

Declaration of interest

The authors declare that they have no competing financial interests.

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