Thoracoscopy Surgical Instruments Medical Tissue Forceps Grasper Customization for End

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Company Name: Tonglu Wanhe Medical Instruments Co., Ltd.
Sales: Aiden

FAQ

What are the operating skills of laparoscopic surgical instruments?

The operating skills of laparoscopic surgical instruments include the following aspects:

Be familiar with the instruments and their working principles: Understand the anatomical knowledge related to laparoscopic surgery, master the structure and working principles of various instruments and equipment, which is the basis for laparoscopic surgery.

Simulation operation training: Through training in the simulation box, improve hand-eye coordination ability, practice clamping, separation, suturing and knotting operations. Suturing and knotting, in particular, are one of the most difficult operations under laparoscopy.

Cultivation of spatial positioning sense: In simulation training, be familiar with the spatial position of the instrument in the abdominal cavity, practice the spatial positioning sense when picking up objects with two-handed instruments, and the operating skills of grasping and clamping.

Key points of abdominal operation: Before any laparoscopic surgery begins, it is necessary to enter the peritoneal cavity. The first step is to establish pneumoperitoneum, then place the laparoscope channel, and place additional channels for various laparoscopic devices.

Needle holding and knotting skills: Master the needle holding and knotting skills in the laparoscope, which are the basic operating steps in laparoscopic surgery.

Practical learning and theory first: Combine books with actual operations to systematically learn and master the theoretical knowledge and operation skills of laparoscopic surgery.

Choose the right method according to different scenarios: Mastering the entry skills can enable the operator to choose the right method according to different scenarios during the operation, break through the inherent thinking limitations, and make the operation simpler and faster.

Ergonomic principles: During the operation, try to let the operator's left and right hand operation holes be distributed into an inverted plane equilateral triangle. Other auxiliary operation holes are flexibly arranged around the core triangle according to the needs of the operation. The 60-degree intersection principle should also be followed to comply with the principles of ergonomics.

Through the training and practice of the above operation skills, the technical level and efficiency of laparoscopic surgery can be gradually improved.

What are the specific structures and working principles of common instruments and equipment in laparoscopic surgery?

Common instruments and equipment in laparoscopic surgery include laparoscopic endoscopes, flexible laparoscopic surgical instruments, pneumoperitoneum machines, etc., each of which has a unique structure and working principle.

Laparoscopic surgery system: Its core working principle is "master-slave remote operation". The operator controls the master controller on the doctor's console, and uses robotics principles such as sensor measurement, master-slave mapping changes, and slave hand inverse kinematics to calculate the key positions of the slave hand to achieve precise surgical operations.

Bendable laparoscopic surgical instrument: This instrument consists of a clamp head, a shaft pin, and a clamp body. A guide cable is provided inside the clamp head, one end of which is fixed to the clamp tip, and the other end passes through the clamp body and is fixed to the clamp body with a buckle. The guide cable adopts a multi-section rod ring connection structure, and the length of each section of the rod is the same as the length of the middle section of the clamp head, so that the instrument can be operated flexibly.

Pneumoperitoneum machine: As a special equipment for establishing and maintaining pneumoperitoneum in laparoscopic surgery, its working principle is controlled by a pressure switch. When the gas circuit pressure is normal (greater than 0.29MPa), the air pressure of the pipeline drives the elastic membrane to move upward, and the normally open contact is closed through the connecting rod, thereby ensuring sufficient intra-abdominal pressure; conversely, when the gas circuit pressure is less than 0.29MPa, the lead terminal is in an open circuit state to adjust the intra-abdominal pressure.

The common purpose of these instruments and equipment is to improve the accuracy and safety of surgery and reduce the pain and recovery time of patients.

How to effectively conduct simulated operation training before laparoscopic surgery to improve hand-eye coordination?

To effectively conduct simulated operation training before laparoscopic surgery to improve hand-eye coordination, the following methods can be adopted:

The high-simulation whole-organ surgery training system can perfectly simulate the human anatomical structure and physiological state, and provide an operation experience similar to that of real surgery. This system can not only improve the surgeon's laparoscopic operation skills, but also help improve the quality of surgery.

VR simulated surgery has been widely used in the medical field, including cardiac surgery, neurosurgery and laparoscopic surgery. Through VR simulation, doctors can perform surgical operations such as cutting, suturing, and hemostasis in a virtual environment, thereby obtaining an operation experience similar to that of real surgery. This method can not only improve the level of surgical skills, but also reduce training costs.

Laparoscopic surgery requires the operator to have good spatial positioning skills, hand-eye coordination skills and surgical operation skills. The traditional training method for open surgery can no longer meet the training requirements of laparoscopic surgery. Therefore, simulation training, animal experiments and clinical practice can be combined to form a step-by-step laparoscopic surgical technology training method.

Through this device, doctors can complete the pre-clinical training of spatial perception, hand-eye coordination, lens operation and instrument use of surgery, thereby improving the user's ability to master the basic skills of laparoscopic surgery.

Mobile laparoscopic simulators can provide residents with more practice opportunities outside the hospital, significantly improve the speed and accuracy of operations, and thus shorten the learning cycle of similar operations.

Simulation training at home can increase training opportunities, but it is difficult to maintain motivation. Pair training can maintain the enthusiasm of trainees. A comparative study of paired and individual training found that pair training can effectively improve the training effect of basic surgical skills.

How to cultivate and improve spatial positioning in laparoscopic surgery?

In laparoscopic surgery, cultivating and improving spatial positioning is crucial. Here are some effective methods:

Simulation training: Various exercises such as pinching beans, passing between left and right hands, placing mung beans, and threading needles can significantly improve spatial positioning and coordination of two-handed operations through simulation boxes. In addition, setting up classic basic skill training modules such as track transfer, tunneling, and high and low columns can also effectively cultivate students' spatial positioning ability.

Three-dimensional organ suturing and knotting training: Using silicone hollow organs for three-dimensional organ suturing and knotting exercises can further improve spatial positioning.

Using 3D laparoscope system: 3D laparoscope system can provide a more obvious sense of depth of vision and stronger spatial positioning, which helps to complete fine directional operations such as manual suturing and fine anastomosis. 3D laparoscopes significantly improve the depth of field and spatial position of the operator visually, reduce the degree of image distortion and deformation, and improve the accuracy of grasping forceps.

Whole organ surgery training: In the practical operation link, there are intermediate/advanced surgical skill training and whole organ surgery training, which can comprehensively improve students' spatial positioning, sense of direction, hand-eye coordination and other abilities.

Animal experiment: Practical training through animal experiment can better understand the anatomical structure and spatial positioning requirements during surgery.

Repeated practice: Continuous and repeated practice, especially using objects such as rubber, grapes, oranges or chicken with skin in tissue separation training, and using instruments such as graspers, scissors, and electric hooks for blunt and sharp separation training, can significantly improve orientation ability.

What are the key points of the abdominal entry operation steps in laparoscopic surgery?

There are several key points in the abdominal entry operation steps in laparoscopic surgery. The following are detailed steps and key points:

Establish pneumoperitoneum:

Before surgery, the patient needs to be given general anesthesia to ensure that the patient is comfortable and reduce pain during the operation.
Use a Veress needle or other pneumoperitoneum needle to enter the peritoneal cavity through the umbilicus or other suitable location to establish pneumoperitoneum. The purpose of pneumoperitoneum is to provide sufficient field of view and operating space for the laparoscope.

Choose a suitable entry point:

Choose a suitable entry point in the abdomen, usually the abdominal wall below the umbilicus. The incision should be about 1.5cm.
Cut the skin about 2cm 2~3cm above the original surgical scar, cut layer by layer to the abdominal cavity, and insert your fingers into the abdominal cavity to explore for adhesions. If there are adhesions, they need to be separated.

Install the optical trocar:

After completing the pneumoperitoneum, the optical trocar needs to be installed. In this process, choose a suitable channel position, insert the trocar obliquely into the abdominal cavity until you hear a breakthrough, then pull out the trocar core, and insert the laparoscope again after hearing the sound of gas rushing out of the abdominal cavity.

Place the laparoscopic channel:

Place the laparoscope channel and prepare the corresponding instruments and equipment for a variety of laparoscopic equipment, such as TV monitors, surgical instruments, etc.
Open technology (Hasson method) or closed technology (such as Veress needle method) can be used. Each method has its own advantages and disadvantages, and different abdominal entry methods can also be used for the placement of primary and secondary channels during a single operation.

Observation and adjustment:

After inserting the laparoscope, turn on the light source and adjust the optical system to obtain the best field of view. Make sure that each layer of the abdominal wall can be clearly seen.
During the entire operation, the intra-abdominal pressure and gas status are continuously monitored to prevent gas leakage or over-expansion.

Pay attention to complications:

To minimize the complications of puncture, improved abdominal access techniques can be used, such as using a visual abdominal access trocar.
Pay attention to protecting large blood vessels to avoid damage caused by improper operation.

What is the detailed teaching method for needle holding and knotting skills in laparoscopic surgery?

The detailed teaching method for needle holding and knotting skills in laparoscopic surgery is as follows:

Needle holding skills

Three-step needle holding method:

Step 1: Open the needle holder, use the upper jaw of the needle holder to press the needle, and close the needle holder when the needle automatically "stands up" to complete the needle holding action.
Step 2: Adjust the needle holding angle according to the suture position to ensure that the needle holder is clamped 1/3 behind the suture needle.
Step 3: Use this technology to accurately clamp suture needles placed at various angles.
Needle insertion direction and needle adjustment techniques:

Learn 6 needle insertion directions and 7 needle adjustment techniques to improve the flexibility and accuracy of needle holding and needle adjustment.
Knotting skills

Basic principles:
When tying a knot, the left and right operating instruments and the knot and the thread tail should be in a straight line, not a triangle.
The first knot is strictly prohibited from crossing.
Follow the arc and toughness of the line, and do not force the knot.
Both hands should be able to tie a knot.

Specific operation:

Reserve the length of the knotting coil. After completing the pulling of the line, use the left hand curved separation forceps to clamp the suture. Note that the clamping position should be about 4-5cm away from the knotting position, and should not be too long or too short.
When using curved separation forceps to tie knots, the arc of the curved separation forceps can be used to wind the wire, so when clamping the suture, pay attention to its position and angle.
After suturing, the two ends of the tail line are collected on the same side of the wire loop to avoid the knot from pressing the wire loop and exposing it outside the skin after the knot is tied.
When tying a knot, the tightening direction of the two tail lines should be parallel to the incision, one end is lifted up, and the other end is pressed down as deep as possible under the skin.