Loop ligature device capable of continuously launching negative pressure to suck haemorrhoid

Abstract

The invention relates to a loop ligature device capable of continuously launching negative pressure to suck a haemorrhoid. The loop ligature device comprises a loop ligature device shell, a fixing tube, a pushing tube, a launching trigger and a gas inlet valve trigger. A cylinder is arranged in a handle of the loop ligature device shell, and a cylinder body of the cylinder and the loop ligature device shell are fixed. The bottom of a piston is connected with the gas inlet valve trigger through a movable pulling rod. A gas inlet one-way valve and a gas outlet one-way valve are arranged at the gas outlet of the cylinder. The gas inlet one-way valve is communicated with the fixing tube through a pipeline. A deflation valve is arranged on the pipeline between the gas inlet one-way valve and the fixing tube. A fixing threaded rod is arranged on the head of the fixing tube, a pushing threaded rod is arranged on the head of the pushing tube, a plurality of sliding grooves are evenly formed in the fixing threaded rod, and the pushing threaded rod is embedded into the sliding grooves of the fixing threaded rod. By means of the loop ligature device, continuous rubber gasket launching loop ligature can be achieved, pressure of the loop ligature device for adsorbing the haemorrhoid can be observed, and pains or discomfort of patients can be avoided.

Description

technical field [0001] The invention relates to a hemorrhoid ligation device, in particular to a hemorrhoid ligation device capable of continuously emitting negative pressure to attract hemorrhoids. It belongs to the technical field of medical equipment. Background technique [0002] Hemorrhoid ligation is a common method for treating hemorrhoids, and it has a good effect on general hemorrhoids. However, the hemorrhoid ligation currently performed clinically is usually performed by the operator with bare hands under local anesthesia or other anesthesia, which is not only time-consuming, laborious, and difficult to expose, but also easily causes bleeding and pain. In order to alleviate the patient's pain and difficulty in operation, people have thought of multiple methods to improve, such as the negative pressure suction ligation method, which is composed of a negative pressure suction head, a negative pressure generator and a connecting tube. The hemorrhoids are sucked int...

AI Technical Summary

Problems solved by technology

[0004] 1. The hemorrhoids are sucked into the head of the ligation device through the suction piston to realize the ligation of the root of the hemorrhoids. It is impossible to judge whether the pressure of the hemorrhoids adsorption will cause discomfort or pain to the patient. Excessive pressure may cause pain and discomfort to the patient. If it is too small, the suction of hemorrhoids is not enough to ligate;

[0005] 2. The ligation device with this structure can only ligate one rubber ring at a time, and it needs to be reinstalled before the ligation is completed once, which is inefficient. In some cases, a hemorrhoid may need to be ligated with multiple rubber rings to eradicate it. In this way, the pressure adsorption of hemorrhoids needs to be carried out every time when the ring is installed, which will cause certain discomfort to the patient.

Images