Reusable Thoracoscopy Instruments Tissue Forceps Oval Type Acceptable for OEM Demands

FAQ

What common problems may laparoscopic surgical instruments encounter during surgery?

Common problems that laparoscopic surgical instruments may encounter during surgery mainly include the following aspects:

Instrument damage: The pneumoperitoneum needle and Trocar used in laparoscopic surgery are prone to cause blood vessel and intestinal damage when entering the abdomen, and other operating instruments may also cause organ damage. For example, electrothermal damage may cause ischemic stenosis of the bile duct, and the "skin effect" of high-frequency current may cause perforation of hollow organs.

Equipment failure: Laparoscopic equipment includes display camera system, cold light source system, pneumoperitoneum muscle, high-frequency electric knife and negative pressure suction system. Any problem in any link will affect the progress of the operation and may even cause the failure of the operation. For example, the display camera system may have a black screen due to the detachment of the power connector or the damage of the bulb of the cold light source system.

Pneumoperitoneum-related complications: Since laparoscopic surgery requires the establishment of carbon dioxide pneumoperitoneum, common complications include hypercapnia, subcutaneous emphysema, gas embolism, etc. These complications are mainly caused by CO2 reabsorption, especially in patients with reduced tolerance.

Incision infection: Failure to thoroughly clean the observation hole (usually located in the navel hole) before surgery may lead to postoperative infection. In addition, poor incision healing is also one of the main complications of gynecological laparoscopic surgery, which may be caused by abdominal wall vascular injury, electric burns, and lax disinfection of surgical instruments during surgery.

Other complications: including anesthesia complications, postoperative pain, infection, abdominal wall incision hernia, nerve damage, and tumor incision implantation after malignant tumor surgery. For example, laparoscopic surgery requires general anesthesia, and intraoperative endotracheal intubation to assist breathing may cause increased secretions due to throat irritation. If it cannot be discharged in time, aspiration pneumonia may occur.

In summary, the common problems that laparoscopic surgical instruments may encounter during surgery cover multiple aspects such as instrument damage, equipment failure, pneumoperitoneum-related complications, incision infection, and other complications. The occurrence of these problems not only affects the success rate of the operation, but may also pose a serious threat to the health of the patient. Therefore, it is necessary to attach great importance to it and take corresponding preventive measures during the operation.

What are the specific techniques or methods for avoiding vascular and intestinal damage when the pneumoperitoneum needle and Trocar enter the abdomen during laparoscopic surgery?

In laparoscopic surgery, the specific techniques or methods to avoid damage to blood vessels and intestinal tract when the pneumoperitoneum needle and Trocar enter the abdomen include the following aspects:

Selecting a suitable puncture point: The principle of selecting the puncture point requires that the laparoscope should be inserted to facilitate observation of the surgical site in the abdominal cavity and exploration of other parts of the abdomen. At the same time, the puncture point should avoid areas with dense blood vessels as much as possible.

Using Veress needle: Veress needle has a spring protection device, which will automatically retract when the needle core encounters resistance, reducing the risk of damage to abdominal organs. Its front end is blunt, hollow, and has side holes, which helps to smoothly enter the abdominal cavity and avoid direct puncture of internal organs.

Controlling pneumoperitoneum pressure: When making artificial pneumoperitoneum, the pneumoperitoneum pressure should be controlled at 12-15mmHg, which can effectively support the abdominal wall and reduce pressure and damage to internal organs.

Correctly operate the pneumoperitoneum needle: When using the pneumoperitoneum needle, the assistant needs to lift the abdominal wall to provide enough space for the pneumoperitoneum needle to facilitate its smooth insertion. The operator needs to enter the abdominal cavity in a pen-holding manner to ensure the accuracy and safety of the operation.

Pull the umbilicus caudally: During closed abdominal access, pull the umbilicus caudally to below the sacrum and large blood vessels to facilitate the insertion of the Veress needle, maximize the insertion success rate and avoid injury.

Inject the abdominal needle at the umbilicus: This is the thinnest part of the whole abdomen, with almost no fat tissue, making it easy to enter the abdomen. After the air intake reaches the set abdominal pressure, the lens Trocar is inserted above the umbilicus. At this time, the Trocar is relatively easy to enter because the abdominal pressure supports the abdominal wall fat outward.

How to prevent electrothermal injury in laparoscopic surgery, especially ischemic stenosis of the bile duct and perforation of hollow organs?

To prevent electrothermal injury in laparoscopic surgery, especially ischemic stenosis of the bile duct and perforation of hollow organs, the following measures can be taken:

Avoid the use of high-frequency electric knife: Monopolar high-frequency electric knife is widely used for tissue coagulation, hemostasis and cutting in laparoscopic surgery, but its direct electrical injury, insulation failure and capacitive coupling may cause damage to organs such as ureters and intestines. Therefore, direct electrical treatment of these organs should be minimized during laparoscopic surgery.

Rational use of electrocoagulation: During cholecystectomy, electrocoagulation should be avoided at a distance from the common hepatic duct and common bile duct area to prevent electrical heat conduction from damaging the bile duct structure. In addition, the use of electrocoagulation during blunt dissection and dissection in the triangular area is prohibited, and the organic combination of identifying important structures during surgery is prohibited.

Establish good living habits: Although this does not directly involve surgical operations, establishing good living habits can prevent the occurrence of bile duct stenosis, thereby reducing complications caused by ischemic stenosis of the bile duct during surgery. Specific measures include paying attention to hygiene, a balanced diet, eating less animal fats, eating more fresh vegetables and fruits, exercising appropriately, and maintaining a good work and rest schedule.

Preoperative preparation and intraoperative monitoring: Before surgery, patients should be fully evaluated, especially those with potential risk factors (such as bile duct stenosis, hypertension, etc.). During surgery, local temperature and current intensity should be closely monitored to avoid excessive use of electrosurgical equipment.

Use non-invasive imaging technology: For the diagnosis of bile duct stricture, non-invasive imaging technology such as MRI or CT scan can be used to ensure that the anatomical structure of the surgical area is clear and reduce the risk of accidental injury.

Postoperative management: The patient's recovery should be closely observed after surgery, especially for those patients at risk of bile duct stricture. If necessary, further imaging examinations and treatments are performed to prevent the recurrence of bile duct stricture.

What are the early identification and treatment measures for complications such as hypercapnia, subcutaneous emphysema, and gas embolism after laparoscopic surgery?

The early identification and treatment measures for complications such as hypercapnia, subcutaneous emphysema, and gas embolism after laparoscopic surgery are as follows:

Hypercapnia:

Intraoperative monitoring: During the operation, the patient's blood gas analysis, especially the carbon dioxide (CO2) level, should be closely monitored. When hypercapnia is found, the pneumoperitoneum pressure is immediately reduced to 12 mmHg and the flow rate is reduced to 2 L/min to reduce the absorption of CO2.

Postoperative treatment: After the operation, the CO2 gas is discharged by light pressure on the abdominal wall to minimize the residual CO2 gas.
Subcutaneous emphysema:

Intraoperative monitoring: During the operation, signs of subcutaneous emphysema, such as crepitus or swelling, should be identified early through palpation and observation, and the surgeon should be notified in time for treatment.

Postoperative treatment: After returning to the ward after surgery, the patient's skin temperature and the presence of emphysema, hematoma, etc. under the skin should be observed. A small amount of gas can be absorbed by itself without special treatment, but if it is a large amount of gas, emergency treatment such as suction and oxygen inhalation is required.

Gas embolism:

Intraoperative monitoring: The patient's electrocardiogram (ECG), blood pressure and respiratory conditions should be closely monitored during the operation. Once an abnormal signal is found, the gas injection should be stopped immediately and the pneumoperitoneum should be relieved, and closed chest drainage should be performed at the same time.

Postoperative treatment: After the patient's general condition improves, an attempt can be made to re-establish pneumoperitoneum. If the vital signs are stable at this time, the operation can be continued.

The key to early identification and treatment of these complications lies in close monitoring and timely intervention during and after the operation.

In laparoscopic surgery, how to effectively prevent incision infection and postoperative pain?

In laparoscopic surgery, effective measures to prevent incision infection and postoperative pain can be managed comprehensively from multiple aspects.

Preventing incision infection

Half an hour before the start of the operation, antibiotics such as ceftriaxone or cefamandole can be infused intravenously to prevent incision infection. If the operation time exceeds 3 hours, an additional set of antibiotics needs to be added during the operation to increase the concentration of antibiotics in the patient's blood, thereby better preventing incision infection.

Preoperative preparation and intraoperative suture details are the key points for preventing abdominal incision infection. For example, for elderly, obese and diabetic patients, special attention should be paid to the prevention of incision infection, and preventive control should be carried out for risk factors. In addition, the use of preventive incision negative pressure therapy can also reduce the risk of incision infection, especially when the incision is sutured in the first stage at high risk.

During the operation, ensure that all surgical instruments are strictly sterilized to reduce the risk of intraoperative contamination.

Preventing postoperative pain
Laparoscopic postoperative pain management has a positive impact on accelerated recovery, can reduce the patient's hospital stay, and reduce the risk of abdominal dysfunction. Commonly used postoperative analgesic methods include local anesthesia, nonsteroidal anti-inflammatory drugs (NSAIDs), and appropriate opioids.

Develop an individualized pain management plan based on the patient's specific situation. For example, for colorectal surgery, systematic reviews and guidelines recommend adjusting pain management strategies based on postoperative pain scores and the use of opioids.

Early postoperative activities and rehabilitation training can significantly reduce postoperative pain and promote functional recovery.

What are the risk management and prevention measures for anesthetic complications in laparoscopic surgery?

The risk management and prevention measures for anesthetic complications in laparoscopic surgery include the following aspects:

Before performing laparoscopic surgery, the anesthesiologist needs to conduct a comprehensive assessment of the patient's health status, including medical history, physical examination, electrocardiogram, laboratory tests, etc. The assessment should include the patient's respiratory system, circulatory system, etc. to ensure the patient's safety during surgery.

The patient's cardiopulmonary function needs to be assessed before surgery to prevent complications such as abnormal cardiopulmonary function and aspiration.

Fasting for more than 6 hours before surgery or emptying the stomach contents, general anesthesia is the first choice, and the pressure of pneumoperitoneum should not be too high to reduce adverse effects on patients.

Adjust the automatic inflation system and try to control the intra-abdominal pressure at 10-15 mm Hg to reduce the impact on the cardiovascular and respiratory systems.

Pay attention to keeping the airway open during surgery, and closely monitor the patient's vital signs, such as blood pressure, heart rate, oxygen saturation, etc.

For elderly patients, special attention should be paid to the quality of their anesthesia management and the evaluation of intracranial pressure changes can alleviate the increase in intracranial pressure under the Trendelenburg position and avoid the occurrence of postoperative neurological complications.

Statistics from the American Association of Gynecologic Laparoscopists show that the incidence of anesthesia complications is high, of which 50% of deaths are due to insufficient ventilation, which is related to the special head-down and foot-high posture of gynecological laparoscopic surgery. This posture can move the hilum of the lung upward and may cause unintentional bronchial obstruction.

In laparoscopic surgery in the Trendelenburg position under general anesthesia, a variety of intervention measures are needed, such as optimizing the quality of anesthesia management for elderly patients, evaluating changes in intracranial pressure, alleviating increased intracranial pressure under TP, and avoiding the occurrence of postoperative neurological complications.

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