Laparoscopic surgery is the golden standard in minimal invasive surgery. But even though it only has a rare occasion of giving complications, about 70% of major complications happen during the first entry of the body. The two most commonly used entry methods are the Hasson open m
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Laparoscopic surgery is the golden standard in minimal invasive surgery. But even though it only has a rare occasion of giving complications, about 70% of major complications happen during the first entry of the body. The two most commonly used entry methods are the Hasson open method, and the Veress Needle closed method. A recent development to the Veress Needle was found to be much safer in clinical studies by automatically decoupling the user when they pass through the parietal peritoneum, yet still has room for development. The main focus of this resides in enhancing the decoupling mechanism to be less vulnerable to its user. This will be achieved by shielding off the critical parts during operation and by guiding the user during the reloading to prevent damage to the device. These goals are divided into subproblems, and individual solutions are found. Based on the previous solutions several concepts are created and the most promising one chosen for prototyping and testing. After several iterations using rapid prototyping using 3D printing a final prototype was made from stainless steel. This final prototype was then used to execute a series of tests using ten participants which used the device for 99 times in total. During these tests the device was tested on reloadability and its transition between its three phases. Each participant also filled in a five-point Likert scale questionnaire and gave open feedback on their desired changes to the device. The testing of the prototype showed it was easily reloadable and had a phase transition success rate of 62.6% between phase one and two and 59.7% between phase two and three Based on these results it was found that the transition between the real design and the prototype was done unsuccessful, several areas of improvement where identified as a result of the testing but no guarantee was found that the new system could equal or surpass the reliability of the Veress Plus.