Variable-diameter sleeving device for endoscope operation

Abstract

The invention discloses a variable-diameter sleeving device for endoscope operation, and belongs to the field of medical equipment. A cylinder with an opening in one end is arranged, at least three clamping mechanisms capable of clamping foreign matter on an affected part are connected to the cylinder through a driving mechanism, and are annularly distributed at the closed end of the cylinder, and a limiting mechanism capable of limiting the foreign matter on the affected part to facilitate peeling of the foreign matter is further connected to the cylinder through a pushing mechanism. The limiting mechanism is driven by the pushing mechanism to move, the foreign matter to be taken out of a puncture part can be fixed, the foreign matter can keep certain stability performance when cut off, and therefore cutting off of the foreign matter is facilitated; and a pushing plate slides up and down in the cylinder through the driving mechanism, the size of a port defined by all the clamping mechanisms can be adjusted, the clamping mechanisms can clamp foreign matter of different sizes in a wrapping mode, and the foreign matter can be peeled in the clamping process.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a variable diameter intubation device for endoscope operation. Background technique [0002] The trocar can be used in various minimally invasive surgical operations, and is used by specialists in laparoscopic surgery to puncture the abdominal cavity, deliver gas to the abdominal cavity, and establish channels for endoscopes and surgical instruments to enter and exit the abdominal cavity from the outside world; various abdominal cavities Endoscopic surgery, including minimally invasive surgery, minimally invasive gynecology surgery, thoracic surgery, urology and other laparoscopic surgery, can be matched with various laparoscopic TV systems at home and abroad. [0003] Existing retraction devices for endoscope operation cannot adjust the clamping size of the clamping mechanism on the retraction device according to the size of the foreign body at the puncture site, so that the ret...

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Problems solved by technology

[0003] The existing sleeve extraction device for endoscope operation cannot adjust the clamping size of the clamping mechanism on the sleeve extraction device according to the size of the foreign body at the puncture site, so the sleeve extraction device needs to be replaced when it is in use. Only the clamping mechanism that matches the size of the foreign body in the affected area can successfully capture the foreign body. When multiple foreign bodies of different sizes need to be clamped in the affected area, it is necessary to replace multiple clamps that match the size of the foreign body. The mechanism can realize the clamping of different foreign bodies, which not only brings inconvenience to the operation of the medical staff, but also affects the progress of the operation. In addition, because the foreign bodies cannot be fixed in advance before the foreign bodies are clamped, the foreign bodies are in the There may be deviation during the clamping process, which will cause trouble to the clamping of foreign objects

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