Multifunctional grasping forceps for minimally invasive surgery

Abstract

The invention relates to multifunctional grasping forceps for a minimally invasive surgery. The multifunctional grasping forceps comprise a clamping part, a mounting part and a motion control mechanism; the motion control mechanism is used for controlling the motion of the mounting part, and the mounting part is used for driving the clamping part to move; the clamping part comprises a first clamping part and a second clamping part; the first clamping part is movably connected with the second clamping part; the mounting part comprises a first mounting part and a second mounting part; the firstmounting part is used for controlling opening and closing of the first clamping part; the second mounting part is connected with the first clamping part and the second clamping part and is used for controlling the relative movement of the first clamping part and the second clamping part, so that an angle is formed between the first clamping part and the second clamping part; the motion control mechanism comprises a first motion control mechanism and a second motion control mechanism; and the first motion control mechanism controls motion of first mounting part, and the second motion control mechanism is used for controlling motion of the second mounting part. The grasping forceps have the advantages that a firm grabbing mode and a noninvasive grabbing mode can be achieved, and the graspingforceps are simple in structure and convenient to operate, and has a bipolar electrocoagulation function.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a multifunctional grasping forceps for minimally invasive surgery. Background technique [0002] All kinds of endoscopic surgery or robotic surgery have become the most popular minimally invasive surgery methods, and the Da Vinci surgical robot has been updated to the fourth generation. This latest model is being used all over the world to bring better and more Faster and more precise surgical treatment. At present, the grasping forceps of robotic surgery are electric straight grasping forceps with teeth, because the current mechanical feedback system of robotic surgery is not perfect, and the chief surgeon cannot sense the forceps through the handle when clamping the tubular soft tissue that needs to be preserved (such as ureter, blood vessel). The clamping force is too strong, and the pulling force is too large, and the time is too long without knowing it, and ther...

AI Technical Summary

Problems solved by technology

At present, the grasping forceps of robotic surgery are electric straight grasping forceps with teeth. Because the current mechanical feedback system of robotic surgery is not perfect, the chief surgeon cannot sense the forceps through the handle when clamping the tubular soft tissues that need to be preserved (such as ureters, blood vessels). The clamping force is strong, and the pulling force is too large, and the time is too long without knowing it, and there are similar problems in traditional endoscopic surgery

[0003] Chinese patent document CN208511134U discloses a kind of ultra-fine endoscopic surgical forceps, including forceps core assembly, forceps rod assembly, connecting nut, front handle, pull rod rear joint, rear handle, handle screw, forceps core assembly is set on the forceps rod assembly , the pliers core assembly and the pliers rod assembly are fixedly connected, the pull rod of the pliers core assembly passes through the pliers rod assembly and is fixedly connected to the rear joint of the pull rod, the rear joint of the pull rod passes through the front handle and is connected to the rear handle, the front handle and the rear handle are hinged by handle screws, The connecting nut is set on the pliers rod assembly and fixedly connected with the front handle. The pliers core assembly is respectively connected to the auxiliary pin hole of the upper pliers head and the auxiliary pin hole of the lower pliers head through the auxiliary pin shafts of the two connecting pieces, and the front end of the front joint of the pull rod passes through The tie rod pin passes through the tie rod pin holes of the two connecting pieces and is hinged with the two connecting pieces, and the rear end of the front joint of the tie rod is fixedly connected with the tie rod; the problem solved is: the pliers at the front end of the pliers cup are misaligned when they are closed. Solve the problem that the above-mentioned clamping function is single and it is difficult to achieve non-invasive grasping of the corresponding soft tissue

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