Sampling device and endoscope
The invention provides a sampling device and an endoscope, and belongs to the technical field of endoscopes. A sampling container of the sampling device is provided with a collecting cavity and a negative pressure interface; the sampling pipe is provided with a pressure relief hole and a pre-bending...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a sampling device and an endoscope, and belongs to the technical field of endoscopes. A sampling container of the sampling device is provided with a collecting cavity and a negative pressure interface; the sampling pipe is provided with a pressure relief hole and a pre-bending section, and the outlet end of the pre-bending section extends into the collecting cavity; the sampling tube is sleeved with the outer tube, and one end of the outer tube extends into the collecting cavity; the driving assembly drives the outer tube to move between a first position and a second position; the operation end is positioned on the outer tube far away from the sampling container; the outer pipe is located at the first position and covers the pressure relief hole, and an inlet of the negative pressure connector is located outside an output path of the pre-bending section; when the outer pipe is located at the second position, the pressure relief hole is exposed and communicates with the external environm |
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