Laparoscopy: How To Choose Laparoscopic Equipment
Laparoscopy has entered large and medium-sized hospitals and clinics. More and more hospitals purchase laparoscopic equipment and implement laparoscopic minimally invasive surgery. For hospitals, the most important thing is to choose a suitable machine with high cost performance. equipment, so how to choose laparoscopic equipment? First of all, we need to understand what laparoscopic equipment includes, and understand the specific machine configuration before we can choose a suitable machine.
Laparoscopic equipment includes camera system, cold light source, monitor, trolley, high-frequency electrosurgical knife, laparoscopic surgical instrument kit, pneumoperitoneum machine, cavity cleaner, etc.
1. Camera system
The camera system is composed of an endoscopic camera, an optical interface, and a laparoscope. Endoscopic cameras are the eyes of surgeons. At present, the more common cameras on the market are single-chip and three-chip. The more commonly used single-chip cameras are enough to meet the needs of major hospitals. Imported and domestic endoscope manufacturers are becoming more and more However, with the continuous development of domestic technology, domestic endoscopes have become the choice of many hospitals, enough to meet the needs of hospitals. It is best to choose the optical interface with strong compatibility, which can meet the adaptation requirements of various hard/soft endoscopes.
Gynecological laparoscopy uses a rigid tube endoscope, which is a cylindrical imaging system. It has a wide viewing angle, bright and clear images, high resolution, and the image quality is significantly better than that of meniscus lenses. Generally, there are 0°, 30°, 45°, and 70°. Laparoscopes with a diameter of 10 mm and a viewing angle of 0° or 30° are most commonly used in clinical practice. The choice of viewing angle is very important, and it is generally believed that a 0° mirror is the most suitable for gynecological surgery. A laparoscope with a small angle is convenient for surgical operations, and a 30° scope or a scope with a larger angle can provide a surgical field of view at a special angle. For laparoscopic lymphadenectomy, 30° or 50° angle mirrors are more effective when observing the bifurcation of the common iliac vessels.
2. Cold light source
Cold light sources are divided into halogen light sources, xenon light sources, and LED light sources. Halogen light sources have short lifespan and require frequent replacement of bulbs. They have been eliminated. Currently, xenon light sources and LED light sources are used more. The color temperature of xenon lamps is good, but The lifespan is short, but with the continuous demand of the medical industry, LED lamps have gradually replaced halogen lamps and xenon lamps. Some people call it a longevity lamp, which means a lamp that never goes out. It is encapsulated by epoxy resin and the lamp body is not loose. There are no shortcomings such as easy burning, thermal deposition, light decay, etc. of the filament, and the service life can reach 60,000 to 100,000 hours, which is more than 10 times longer than the traditional light source, and it is pollution-free, high brightness, long service life, conversion High-efficiency LED light sources have a huge potential application market in medical diagnostic endoscopes.
Monitors are divided into 19-inch, 22-inch, 24-inch, 26-inch, etc. according to their size. Generally, hospitals choose 22-inch more.
There are small trolleys and multi-layer trolleys. Multi-layer trolleys are the first choice, and a complete set of equipment can be placed to save space.
5. High frequency electric knife
It is best to choose high-power high-frequency electrosurgery, in preparation for the later development of vaporized resectoscope or double-click electrocoagulation.
6. Pneumoperitoneum machine
The pneumoperitoneum machine is divided into 20 liters, 30 liters and 40 liters. The flow rate depends on the doctor's requirements for surgery. The gynecological surgery options are more 30 or 40 liters, because there is more smoke from gynecological surgery products, and it is necessary to continuously It is easy to cause the air intake to be less than the air output for a small flow of pneumoperitoneum, resulting in unclear vision.
7. Inner cavity cleaner
In extra-abdominal endoscopic surgery, it is used for intracavitary irrigation and suction to ensure a clear field of vision during surgery, and to clean up the dirt in time to prevent surgical contamination and postoperative adhesion.
8. Laparoscopic surgical instrument kit
There are many kinds of laparoscopic instruments. The doctor chooses the instruments to be used according to the surgical needs. The necessary pneumoperitoneum needles, trocars and hand-held instruments are used. Clipping, ligation, hemostasis, etc.