Disposable automatic safety circular anastomat

Abstract

The invention discloses a disposable automatic safety circular anastomat, which relates to a circular anastomat provided with an automatic safety device. The invention belongs to a surgical operation instrument, and is particularly suitable for end-to-end, end-to-side and side-to-side cutting, sealing and stump cut anastomosis in alimentary tract operation of the esophagus, the stomach, the intestinal tract and the like. The disposable automatic safety circular anastomat comprises a nail butting seat component, a nail compartment component, an aluminum bended pipe, a bended push rod component, a movable handle component, a regulation screw nut component, an automatic safety device and a fixed handle component, wherein the bended push rod component comprises a bended push rod, a guide shaft, a connecting sheet, a lead screw, a regulation block, a regulation screw and a press sheet, the bended push rod component is sheathed and arranged in the aluminum bended pipe, the nail compartment component comprises a nail compartment sleeve, a nail compartment, a nail pushing sheet and an annular cutter, the nail butting seat assembly comprises a nail butting seat, a jump ring pipe, a jump ring and a nail butting seat cover, and the automatic safety device comprises a safety positioning plate, a safety positioning plate reset spring, a safety positioning plate reset spring pin, an indication block, an indication block transmission plate, an indication block transmission reset spring and an indication block transmission plate positioning pin.

Description

technical field [0001] The disposable automatic safety circular stapler of the present invention relates to a circular stapler provided with an automatic safety device, which belongs to a surgical instrument, and is especially suitable for the end-to-end operation of the esophagus, stomach, intestinal tract and other digestive tract operations. , End-to-side and side-to-side cuts, closures, and anastomosis of stump incisions. Background technique [0002] At present, the disposable circular stapler is not equipped with an automatic safety device, and the safety block will automatically open, resulting in false firing, resulting in the failure of the operation. At present, the anvils of disposable circular staplers are relatively thick, bulky, and difficult to insert into the intestinal tract. In addition, the existing disposable circular stapler nail cartridge sleeve and aluminum elbow are extruded, the connection surface is rough, and the tissue is easily scratched during ...

AI Technical Summary

Problems solved by technology

[0002] At present, the disposable circular stapler is not equipped with an automatic safety device, and the safety block will automatically open, resulting in false firing, resulting in the failure of the operation

At present, the anvils of disposable circular staplers are relatively thick, bulky, and difficult to insert into the intestinal tract

In addition, the existing disposable circular stapler nail cartridge sleeve and aluminum elbow are extruded, the connection surface is rough, and the tissue is easily scratched during the operation. During the process, the surgical operator is not easy to grasp, the resistance is relatively large, it is easy to slip, and the operation is not convenient enough

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