Cross-shaped double-jacketed drainage tube

Abstract

The invention discloses a cross-shaped double-jacketed drainage tube, which comprises an inner drainage tube, a connection piece, an outer catheter, an inner catheter, supporting frames, a catheter head and a pressure sensor, wherein the left end of the inner drainage tube is opened and the right end is closed; the wall of the right end of the inner drainage tube is provided with inner drainage holes; the connection piece is used for mounting the inner drainage tube in the pipeline of the inner catheter; the left end and the right end of the outer catheter are opened respectively; the wall of the right end of the outer catheter is provided with a plurality of drainage slots; the inner catheter is arranged in the pipeline of the outer catheter via the supporting frames; the left end and the right end of the inner catheter are opened, and the left end is connected with the outer catheter wall; the inner catheter wall is provided with a pressure monitoring channel, a transfusion channel and outer drainage holes; the catheter head comprises a clamping head clamped in and blocking the left-end opening of the inner catheter and a blocking body correspondingly blocking the right end part of the outer catheter; a gap is formed between the left end surface of the blocking body and the right end surface of the outer catheter; and the pressure sensor is communicated with the pressure monitoring channel.

Description

technical field [0001] The present invention relates to a negative pressure drainage tube, specifically, to a device that can effectively prevent the drainage hole from being blocked, and can also effectively monitor the negative pressure at the wound site in real time, so as to avoid damage to the body due to excessive negative pressure at the wound site. Cross double set drainage tube for tissue or organ. Background technique [0002] During the surgical treatment, blood, pus, interstitial fluid or secretions may accumulate in the lesion or wound. If these exudate and necrotic tissue fragments are not removed in time, it will affect the healing of the surgical wound. In severe cases, it may even worsen the surgical wound. At present, the more effective solution is to use negative pressure drainage technology to guide and discharge these rare fragments of exudate and necrotic tissue. Effusion drainage out. [0003] However, under normal circumstances, residual tissue (bl...

AI Technical Summary

Problems solved by technology

[0003] However, under normal circumstances, residual tissue (blood clot or removed tissue) will also appear at the lesion or wound. During the suction process of the negative pressure suction tube, the drainage hole at the bottom of the negative pressure drainage tube is easily blocked by the residual tissue. As a result, the negative pressure suction tube cannot work normally, affecting the normal implementation of the operation

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