Laparoscope .pdf
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Laparoscopy is a minimally invasive surgical technique that allows for abdominal or pelvic operations using small incisions and a laparoscopic camera, significantly reducing recovery time and risks compared to traditional laparotomy. The laparoscope consists of various components including a light source, camera, and trocars for instrument insertion, enhancing the visualization and operation within the abdominal cavity. Essential equipment includes a video monitor, insufflator for CO2 gas, and various surgical tools, all crucial for effective laparoscopic procedures.
Laparoscope .pdf
- 1. What is Laparoscopy Equipment and How Does a Laparoscope Work? Laparoscopy is an operation performed in the abdomen or pelvic area using small incisions, often less than 1.5 cm, with the assistance of a Laparoscopic camera, typically for gallbladder, colon, kidney, and other procedures. Before, if an operation had to be conducted in the belly, doctors had to cut open the area, hence the name laparotomy. A laparotomy, by definition, includes a large cut, greater bleeding, discomfort, a longer recovery period, a higher risk of infection, and overall, more suffering for the patient. Laparoscopic surgery, also known as minimally invasive surgery (MIS), on the other hand, is a relatively modern method that involves a smaller incision just large enough to insert and use the scope and surgical instruments. A laparoscope, which is essentially a hard endoscope, is used in laparoscopic surgery. What are the main parts of a laparoscope? How does a laparoscope function? Continue reading to learn more. What exactly are laparoscopes and how do they work? The laparoscope allows doctors to see all of the abdominal organs without having to cut up the abdomen and do surgery on only the necessary region of the body. The smaller incision and less invasive operation reduces bleeding and pain, resulting in a quicker recovery time, a shorter length of stay in the hospital, and a lower risk of infection. Laparoscopes are simply rigid endoscopes with telescopic rod lens systems that are commonly linked to a single-chip or three-chip video camera. A compact digital video camera is installed at the end of a laparoscope, replacing the rod lens system - but this is less common. A light source is utilized to illuminate the operative region so that the camera can collect clean images. A fiber-optic cable system is attached to the light source and introduced through a 5 mm or 10 mm cannula / trocar incision. Carbon dioxide gas is frequently insufflated into the abdomen. By stretching and raising the abdominal wall away from the internal organs, this increases the viewing and operating space within the belly. CO2 is widely employed since it is quite familiar to the human body and may be absorbed by tissues and eliminated through the respiratory system as usual. It is also non-flammable, which is crucial given the prevalence of electric gadgets in operating rooms. So, what are the essential parts of a laparoscopic equipment system? How does a laparoscope function? Laparoscopy Equipment System Components Endoscope, camera, light source, video monitor, insufflator, trocars, and surgical tools are the fundamental laparoscopic equipment required for each laparo-endoscopic procedure.
- 2. Trocar A trocar is a device that consists of a metal or plastic tip, a hollow tube known as a cannula, and a seal. Trocars are inserted via the belly during laparoscopic surgery, and just a little incision is made. The trocar is then used to introduce and retrieve cameras and laparoscopic hand devices such as scissors, graspers, staplers, and so on. Trocars are also used to remove fluid or gases from organs within the body using a suction tube. Light Cord Flexible fiber-optic cables connect the outside light source to the telescope/laparoscope, illuminating the areas to be examined and operated on. Telescope / Laparoscope A laparoscope's components include a light post, light fibers, a lens system, a lens train, a shaft carrying the lens train, a lens assembly at the proximal end, and an eye-piece. Light post - The point at which the fiberoptic light cable from the light source attaches to the scope, allowing light to pass through. Glass fibers transport light from the light post to the scope's distal end, closer to the organs. A lens train is a collection of glass rod lenses and spacers used to transfer images. The lens train and light fibers are housed in a stainless steel tube called the shaft. A collection of lenses, windows, and/or prisms situated at the distal end of the scope that collect images. The distal objective can be made at angles ranging from 0° to 120°, allowing the operator to see areas that would otherwise be obscured. The 00 and 300 are the most common. Ocular lens assembly - The scope's focusing lens, placed near the viewing end. The eyepiece is positioned at the scope's proximal viewing end and contains a magnifying glass. The image can be viewed through the scope or by attaching the eyepiece to a camera coupler and viewing it on an external monitor. Telescopes can be 00, 300, or 450mm in diameter and 33cm in length. The 300 scope is chosen over the 00 because it has significantly more viewing latitude. The Source of Light Laparoscopy can be performed with a cold light source such as halogen, xenon, or LED. This maintains a steady color temperature and allows the camera to automatically vary the light intensity. Laparoscopy surgeons are trained in video laparoscopy, which involves performing surgery while viewing the image on a monitor screen rather than through the lens. Monitor The device includes an HD medical grade display (15" - 32") for viewing high quality images during the treatment.
- 3. Camera for Laparoscopy Laparoscopic camera systems with high-definition (HD) or even 4K image resolution are utilized in the surgical field to create still and video pictures for laparoscopic procedures. One of the most significant pieces of laparoscopic equipment is the camera. They are also sensitive to visible and infrared light. A variety of rigid and flexible scopes attached to the camera head transport the optical image from the surgical site to the camera head. A camera control unit (CCU) and a camera head with an in-built cable that connects to the CCU comprise the system. A zoom lens is frequently included with the camera, allowing for continuous modification of image magnification across a wide range. The lens aperture and white balance would be automatically adjusted. Video output is accessible in a variety of formats for watching, printing, and other purposes. Insufflator for CO2 In laparoscopic inspections and surgeries, an insufflator is utilized to deliver CO2 gas into the Gastrointestinal tract. By shifting and raising the abdominal wall away from the internal organs, this expands the viewing and operating space within the abdomen. CO2 is widely employed since it is quite familiar to the human body and may be absorbed by tissues and eliminated through the respiratory system as usual. It is also non-flammable, which is crucial given the prevalence of electric gadgets in operating rooms. Throughout the procedure, the insufflator sets and monitors the required pressure, volume, and flow of CO2. Often, patient safety circuits and sirens are incorporated in. Surgical Equipment Forceps, scissors, probes, dissectors, hooks, and retractors are among the surgical instruments used in laparoscopic surgery. Trolley Typically, a trolley is utilized to transport the entire'stack' of laparoscopic equipment. To hold all of the equipment and related instruments, the trolley or mobile video cart typically features a drawer and three shelves. The higher shelves can be tilted and are used to support the video monitor. On the back of the trolley, there are electrical supply points. The light source, video system and recorder, and insufflator are all transportable. The drawer is used to store equipment, sutures, clips, staples, and other items. The trolley or cart has locking brakes as well as wheels. Diathermy machines and lasers are utilized in laparoscopy when needed. Stryker, Karl Storz, Smith & Nephews, Stork, and other well-known laparoscopic equipment manufacturers.