Pressure-adjustable intracavity waste gas drainage device for laparoscopic surgery

Abstract

The invention relates to the technical field of medical instruments, and discloses a pressure-adjustable intracavity waste gas drainage device for laparoscopic surgery. The device comprises a bottle body, a gas inlet pipe, a water inlet pipe, a gas outlet pipe and a cover body. The top of the bottle body is detachably connected with the cover body, and vertical reserved notches are formed in two sides of the cover body. The bottom ends of the two reserved notches extend to the bottom of the cover body, a rubber plug is fixed to a bottle opening of the bottle body, the gas outlet pipe is arranged in the middle of the rubber plug and penetrates through the rubber plug, and the water inlet pipe and the gas inlet pipe are arranged on the two sides of the cover body respectively. The water inlet pipe and the gas inlet pipe are each of an inverted-L-shaped structure. The exhaust speed of waste gas can be determined by adjusting the height of the liquid level in the bottle body,balancecan beachieved by dynamic adjustment, the waste gas can be exhausted, the clearness of an operation field can be guaranteed, meanwhile, resource waste caused by excessive exhaust of the gas can be avoided,waste gas is completely sucked away through central negative pressure of an operation room, and air pollution in the operation room is avoided.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a pressure-adjustable intracavity waste gas drainage device for laparoscopic surgery. Background technique [0002] Medical devices refer to instruments, equipment, utensils, in vitro diagnostic reagents and calibrators, materials, and other similar or related items that are used directly or indirectly on the human body, including required computer software, for the purpose of diagnosing, preventing, monitoring, treatment or mitigation; diagnosis, monitoring, treatment, mitigation or functional compensation of injury; examination, replacement, regulation or support of physiological structures or processes; life support or maintenance; pregnancy control; Provide information for medical or diagnostic purposes. [0003] During laparoscopic surgery, it is often necessary to drain the exhaust gas in the cavity. The traditional methods of exhaust gas drainage in the cavity inc...

AI Technical Summary

Problems solved by technology

[0004] 1. Take over the negative pressure drainage in the center of the operating room through the poking exhaust hole. This way of drainage is effective, and the negative pressure of drainage can be adjusted manually (by adjusting the opening degree of the opening and closing valve of the poking exhaust hole), and the exhaust gas in the cavity will not Leakage into the operating room will cause gas pollution and avoid damage to medical staff and fine instruments. However, manual adjustment of the drainage negative pressure requires touching the poke card, which may affect the operation of the operator; manual adjustment of the drainage negative pressure is difficult to achieve the maximum Optimum negative pressure value is likely to cause incomplete smoke exhaust to affect the observation of the surgical field, or excessive drainage negative pressure and low intra-abdominal pressure will affect the surgical operation; negative pressure drainage and smoke exhaust will discharge more gas CO2 to maintain pneumoperitoneum, Cause waste of resources and increase the cost of the operating room;

[0005] 2. The poking vent hole is connected to the intravenous infusion tube (IV tube), and the needle of the IV tube is inserted into the rubber tube of the negative pressure suction device. In this way, the drainage negative pressure can be manually adjusted (by adjusting the opening degree of the switch valve of the poking vent hole) ); the exhaust gas in the cavity will not leak into the operating room to cause air pollution, avoiding damage to medical staff and fine instruments, but manual adjustment of drainage negative pressure requires touching the poke card, which may affect the operation of the operator; IV tube The diameter is small, it is difficult to ensure the drainage effect; the IV tube needle inserted into the (negative pressure suction device) drainage tube is easily blocked completely or partially by the blood and blood clots in the tube, resulting in insufficient smoke drainage in the cavity and affecting the operation; negative pressure Drainage and smoke exhaust will discharge more gas CO2 to maintain the pneumoperitoneum, resulting in waste of resources and increasing the cost of the operating room (less than the first drainage method);

Images