Replaceable nail holder assembly of disposable arc cutting anastomat

Abstract

The invention relates to a replaceable nail holder assembly of a disposable arc cutting anastomat, and belongs to the medical instrument. The replaceable nail holder assembly is matched with the disposable arc cutting anastomat and particularly suitable for anorectal hemorrhoid cutting operation and rectal polyp excision. The replaceable nail holder assembly comprises a nail holder bracket, a padcutter ring, a nail holder, a nail cartridge bracket, a nail cartridge bracket cover plate and an assembly fixing sleeve. The nail holder bracket is arc-shaped, and a U-shaped groove is arranged in the middle. The two sides of the U-shaped groove are provided with nail holder bracket installing grooves. The two sides of the arc surface of the nail holder bracket are provided with locating pin installing grooves. The inner side of the arc surface of the nail holder bracket is provided with a pad cutter ring installing groove. The nail holder is arc-shaped, and a U-shaped groove is arranged in the middle. The two sides of the arc surface of the nail holder are provided with locating pin sliding holes. The arc surface of the nail holder is provided with a anastomat nail forming groove. The upper arc of the nail cartridge bracket is provided with a sliding groove of an upper and lower nail cartridge connecting plate, and one side of the lower circular pipe is provided with a U-shaped groove for installing the nail cartridge bracket cover plate. The rear end of the circular pipe is provided with a square boss.

Description

technical field [0001] The invention relates to a replaceable anti-nail seat assembly of a disposable arc-shaped cutting stapler, which belongs to medical equipment and is used in conjunction with a disposable arc-shaped cutting stapler, and is especially suitable for anorectal hemorrhoid cutting operations, rectal Polypectomy. Background technique [0002] Anorectal hemorrhoids, commonly known as hemorrhoids, are common and frequently-occurring diseases unique to humans. According to relevant census data, the incidence rate of anorectal diseases is 59.1%, and hemorrhoids account for 87.25% of all anorectal diseases, and among them, internal hemorrhoids are the most common, accounting for 52.19% of all anorectal diseases. Both men and women can get the disease, the incidence rate of women is 67%, and the incidence rate of men is 53.9%. It can occur at any age, and it will gradually increase with age, so there is a saying of "nine hemorrhoids out of ten". [0003] Cutting s...

AI Technical Summary

Problems solved by technology

The traditional arc-shaped cutting stapler uses the positioning button to push back and forth to control the positioning needle, which has unstable factors in the control, which may easily lead to the displacement of human tissue, requires constant repositioning, increases the operation time, and even leads to cutting and suturing. Inaccurate location with more serious consequences

In addition, the traditional curved cutting stapler cannot replace components, and multiple instruments may be used in the same operation, resulting in high operation costs and greater economic burden on patients

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