a catheter holder

Abstract

The invention discloses a catheter fixator. The catheter fixator comprises an annular fixing base capable of being fixed through sticking, a groove is formed in the periphery of the annular fixing base, an annular sliding ring capable of rotating freely along the groove is arranged in the groove in a buckled mode, and a protrusion capable of being inserted into the groove in a buckled mode is arranged on the annular sliding ring; at least one flexible hoop strip is connected between the annular fixing base and the annular sliding ring; the annular sliding ring is formed by connecting two semi-rings end to end to form a whole annular shape, and the annular sliding ring is arranged at the outer side of the groove in the annular fixing base in a buckled mode. According to the annular slidingring connected into the annular improved structure in the buckled mode, due to the fact that the two semi-rings are connected end to end into the whole annular structure, it can be ensured that the ring cannot be disengaged from the groove, the structure reliability is improved, positioning is simplified, the assembling and disassembling efficiency is improved, and the cost is lowered.

Description

technical field [0001] The invention relates to a medical device, in particular to a surgical device for human digestive tract, gastrointestinal tract, etc., especially a catheter fixer for postoperative drainage. Background technique [0002] After operations such as the human digestive tract, gastrointestinal tract, etc., postoperative drainage is usually required. For example, Chinese patent application 201310379014.4 discloses a complete diversion type enterostomy surgical kit, which includes a drainage tube to assist sinus healing and a peripheral fixing ring integrally formed with the drainage tube. The peripheral fixing ring can be bonded to the stoma The drainage tube is fixed on the chassis. The catheter fixing structure of this prior art is very simple, basically the catheter is fixed on the stoma chassis through the peripheral fixing ring by bonding, which is very suitable for assisting sinus healing in the short term, but for longer The conduit of time is less ...

AI Technical Summary

Problems solved by technology

[0005] However, some structures in this prior art are still very complicated, and the structural parts are easy to fall off and difficult to locate accurately, and the generality of the structural design is also very poor, and the description and limitations such as hoops are very vague, and it is difficult for those skilled in the art The abstraction understands its implementation, so further improvements are needed

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