Drainage tubes
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- 罗顺莲
- Publication Date
- 2017-07-07
- Estimated Expiration
- Not applicable · inactive patent
Smart Images

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Abstract
Description
technical field
[0001] The invention relates to five kinds of special-shaped multi-channel spiral or straight drainage tubes with holes and equal diameters, belonging to the field of medical instruments. Background technique
[0002] In the known cross four-channel spiral drainage tube, the junction of the cross four-channel spiral groove section and the circular pipe section is connected by an adhesive wrapping method, and the diameter increases at the glued outer wrap. The part with increased diameter is also inserted into the human body, so the insertion and removal of the junction of the cross four-channel spiral groove section and the circular pipe section will cause human tissue strain and pain. It is necessary to develop a drainage tube with a cross four-channel helix and equal diameter. The known drainage tube does not have a flushing hole, nor does it have three-channel straight and spiral drainage tubes. Contents of the invention
[0003] The present invention ...