Achieved fine welding joint between SUS304 and WPB304. Proposal of triple cannula and operation of fiber laser welding technology.
Operation of Fiber Laser Welding Technology We have achieved fine welding joints between stainless steel pipe SUS304 and solid stainless steel WPB304. The tensile strength of the weld is 40 lbf, while the tensile strength of the pipe alone (19TW) is 60 lbf. We plan to establish a system that can be operational from fiscal year 2024 onwards. 【Materials Used in the Experiment】 ■ 19G diameter ■ Joint solid length: 3.5mm, trocar shape ■ Body length: 300mm *We can accommodate requests regarding the gauge and length of the joint cannula. *For technical details, please feel free to [contact us].
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basic information
Proposal for Triple Cannula - The inner cannula is a trocar-shaped cannula made of solid WPB304 material. The intermediate cannula is made of SUS304 pipe, featuring a notch processed into a semi-circular (tear-shaped) form from a blank a few millimeters from the heel, with a crown cut. The outer cannula is also made of SUS304 pipe, designed with a protrusion that fits into the notch of the intermediate cannula. The inner cannula is used to puncture the necessary area, allowing tissue to enter the lumen of the intermediate cannula at the required depth, while the outer cannula cuts the tissue. - In addition to providing these individual processes, we propose the potential for expanding applications through combinations of these components.
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Kinko Medics Co., Ltd. specializes in the manufacturing of medical special injection needles and sells them widely to domestic and overseas medical device manufacturers based on OEM. With the quality basic policy of "providing products that customers can trust," we are constantly focused on needle manufacturing, aiming to reduce puncture resistance for minimally invasive procedures, improving our core grinding technology, engaging in risk management activities in needle manufacturing derived from FMEA activities, and accumulating evidence that our needles are safe. We are always looking three to five years ahead, continuously challenging ourselves with new technologies, and even if something cannot be done immediately, we strive to transform the impossible into the possible, aiming to be a company that customers can rely on.
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