Multi-switch stomach tube device
The utility model relates to the technical field of medical care, and discloses a multi-switch stomach tube device which comprises an inner tube, an outer tube and a control pipeline. The inner pipe comprises an inner pipe pipeline and a connector located at one end of the inner pipe pipeline. The o...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the technical field of medical care, and discloses a multi-switch stomach tube device which comprises an inner tube, an outer tube and a control pipeline. The inner pipe comprises an inner pipe pipeline and a connector located at one end of the inner pipe pipeline. The outer pipe comprises an outer pipe pipeline and a negative pressure connecting part located at one end of the outer pipe pipeline, a switch valve is arranged on the negative pressure connecting part, the outer pipe pipeline is arranged on the outer side of the inner pipe pipeline in a sleeving mode, the tail end of the inner pipe pipeline is located outside the outer pipe pipeline, and a through hole is formed in the outer pipe pipeline; the control pipeline comprises a first end part connected with the negative pressure device, a second end part connected with the negative pressure connecting part, a one-way valve, a mechanical switch and a timing switch, and the timing switch is intermittently opened at a preset t |
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