Tungsten wire needles have many specific applications in surgical instruments, and the following are some of them:
1. Vascular anastomosis: In vascular surgery, vascular anastomosis operations are often required. Traditional vascular anastomosis methods require the use of sutures, but the tension and pressure of the sutures may damage the vascular endothelium, leading to complications such as thrombosis and stenosis. In order to solve this problem, doctors began to use tungsten wire needles for vascular anastomosis. Tungsten wire needles have the characteristics of high strength, high hardness and corrosion resistance. They can replace sutures, reduce damage to the vascular endothelium, and improve the quality and safety of vascular anastomosis.
2. Sternum nail fixation: In open-chest surgery, in order to maintain the stability and position of the sternum, sternum nails are usually required for fixation. Traditional sternum nails are made of materials such as stainless steel or titanium alloys, but these materials have problems such as stress concentration and fatigue. In contrast, tungsten wire needles have higher strength and rigidity, which can better disperse stress and improve the stability and safety of sternum fixation.
3. Hard tissue repair: In oral and maxillofacial surgery, neurosurgery, orthopedics and other surgeries, hard tissue repair operations are often required. As a high-strength and high-hardness material, tungsten wire needles can be used to fix fractured bones, repair teeth and other hard tissues. Tungsten wire needles have good biocompatibility and corrosion resistance, and can be well compatible with human tissues to promote healing and restore function.
4. Surgical guide needles: In some minimally invasive surgeries, such as tumor resection and nerve repair, surgical instruments are usually required to be accurately inserted into the lesion site. As a high-rigidity and anti-bending material, tungsten wire needles can be used as surgical guide needles to guide doctors to accurately insert surgical instruments into the lesion site. Tungsten wire needles have good visibility and guidance, which can improve the accuracy and success rate of surgery.
5. Tissue suturing: In surgical operations, tissue suturing operations are often required. As a high-strength and high-hardness material, tungsten wire needles can be used for tissue suturing. Tungsten wire needles have good sharpness and corrosion resistance, which can easily cut tissues and stop bleeding, and can effectively suture tissues and organs. The strength and hardness of tungsten wire needles can ensure the stability and healing of tissues and reduce the occurrence of postoperative complications.
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