Biopsy cap of gastroscope biopsy opening

By designing a biopsy cap composed of three layers of fan-shaped air cushions, the problem of poor sealing during gastroscopy biopsy was solved, achieving a sealing effect during the biopsy process, preventing leakage of digestive cavity contents, and improving operational safety and hygiene.

CN223817589UActive Publication Date: 2026-01-23杜春
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Patent Information

Application Number
CN202423121264.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2026-01-23
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing endoscopy biopsy caps have poor sealing properties, and after the biopsy forceps are inserted, there is a gap in the biopsy opening, which makes it easy for the contents of the digestive cavity to leak out, affecting the safety and hygiene of the operation.

Method used

Design a biopsy cap comprising three tightly overlapping circular pads. The circular pads are composed of several fan-shaped air cushions, with air cavities inside each fan-shaped air cushion. The bonding lines of adjacent layers are staggered. When inserted, the cap expands and tightly seals the layers. After sampling, the cap returns to its natural overlapping state.

Benefits of technology

It effectively blocks the ejection of digestive gas and fluid, improves the sealing effect during the biopsy process, and ensures safe and hygienic operation.

✦ Generated by Eureka AI based on patent content.
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Abstract

The biopsy cap of the gastroscope biopsy opening comprises a cap body, a cap cover is arranged at the upper end of the cap body, the cap cover comprises three layers of circular pads which are tightly overlapped, each circular pad is composed of a plurality of fan-shaped air cushions which are tightly attached, the arc ends of the fan-shaped air cushions are fixedly connected with the cap body, and attaching lines of the three layers of fan-shaped air cushions are evenly distributed on the horizontal plane. The fan-shaped air cushion is a silica gel air cushion and is internally provided with an air cavity. The round cushion is composed of six fan-shaped air cushions which are tightly attached, and the attaching lines of the three layers of fan-shaped air cushions are evenly distributed on the horizontal plane at the included angle of 20 degrees. According to the biopsy cap of the gastroscope biopsy opening, the cap cover comprises three layers of circular pads which are tightly overlapped, and each circular pad is composed of a plurality of fan-shaped air cushions which are tightly attached, so that the biopsy forceps are prevented from leaving a gap in the biopsy opening, the sealing effect is good in the biopsy process, digestive gas and liquid are effectively prevented from being sprayed out, and the biopsy cap is safe, sanitary and convenient to use.
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