Variable-direction clamp device and endoscopic anastomat comprising same

Abstract

The invention discloses a variable-direction clamp device which comprises a clamp part, a first fixing seat and a second fixing seat. The clamp part comprises a horizontal fixing rod, a pushback pin and a setting tooth, wherein the pushback pin is arranged on the upper portion of the horizontal fixing rod, and the setting tooth is arranged on the lower portion of the setting tooth. Two ends of thehorizontal fixing rod are rotatably fixed between the first fixing seat and the second fixing seat, two spring pieces symmetrically arranged on two sides of the clamp part are further arranged between the first fixing seat and the second fixing seat, elastic ends of the two spring pieces contact with the pushback pin, and the elastic action of the spring pieces on the two sides of the pushback pin is applied to the pushback pin to realize return and clamp actions of the setting tooth when the setting tooth swings in a variable-direction manner. The invention further discloses an endoscopic anastomat comprising the clamp device. The clamp device is arranged above an initial clamp slot of a push rack, and an elastic collision bead is arranged at the tail end of the push rack. By improving the clamp device, the clamp part of the clamp device can change along the moving direction of the push rack, and the trigger force and the reset force of an instrument are decreased. The elastic collision bead is additionally arranged to increase reset field angle, so that reset is more accurate and reliable.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a directional-variable retainer and an endoscopic stapler including the retainer. Background technique [0002] In surgical operations, medical endoscopic cutting and stapler has become an indispensable auxiliary medical device in the process of human tissue suturing. With the development of medicine and product research and development, more and more multi-functional staple products are used in clinical practice, and the scope of application has involved gastrointestinal surgery, hepatobiliary surgery, thoracic surgery, urology, gynecology and other fields. One of the few tools. The application of endoscopic cutting stapler has many advantages, such as less bleeding during operation, shorter operation time, reduction of manual operation error, avoidance of infection, and fast postoperative functional recovery. [0003] At present, most of the existing endoscopic st...

AI Technical Summary

Problems solved by technology

And because the shifting teeth of the retaining member 3 in this structure can only incline in one direction, the direction of the shifting teeth cannot be changed, and the moving direction of the advancing rack 1 changes during reset, and the inclined direction of the shifting teeth of the retaining member 3 remains unchanged. , then the reset force between the push rack 1 and the locking part 3 will increase, which will make the instrument feel bad when using it, increase the operation time, and bring burdens to both doctors and patients

[0004] It can be seen that the above-mentioned existing endoscopic stapler obviously still has inconvenience and defects in structure, method and use, and needs to be further improved urgently.

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