Spring guide type cricothyroid membrane puncture cannula
The utility model relates to a spring guide type cricothyroid membrane puncture cannula which comprises a cannula body, a guide tube and a needle core, the needle core is inserted into the guide tube, the guide tube is inserted into the cannula body, the head end of the needle core penetrates out of...
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| creator | YAO DONGQI LYU BAOPU ZHENG TUOKANG MENG QINGBING GAO HENGBO TIAN YINGPING |
| description | The utility model relates to a spring guide type cricothyroid membrane puncture cannula which comprises a cannula body, a guide tube and a needle core, the needle core is inserted into the guide tube, the guide tube is inserted into the cannula body, the head end of the needle core penetrates out of the head end of the guide tube, and the head end of the guide tube penetrates out of the head end of the cannula body; the guide tube comprises a compression cylinder located at the tail end, a connecting hole, a compression cavity and a via hole which are communicated are sequentially formed in the compression cylinder from left to right, a rubber plug is arranged in the compression cavity, a spring is arranged between the rubber plug and the left end of the compression cavity, and a guide needle sleeve penetrating out of the via hole is fixedly arranged at the right end of the rubber plug. A through hole corresponding to the guide needle sleeve is formed in the middle of the rubber plug, a connecting sleeve is f |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN220001887UU |
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| subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY |
| title | Spring guide type cricothyroid membrane puncture cannula |
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