Thoracic cavity puncture needle
The thoracocentesis needle comprises a main sleeve, a main hollow channel is formed in the main sleeve, an external thread section is arranged on the outer side wall of the main sleeve, an adjusting ring is connected to the external thread section through threads in a matched mode, and a sliding gro...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The thoracocentesis needle comprises a main sleeve, a main hollow channel is formed in the main sleeve, an external thread section is arranged on the outer side wall of the main sleeve, an adjusting ring is connected to the external thread section through threads in a matched mode, and a sliding groove is formed in the inner side wall of the adjusting ring in a surrounding mode; the first puncture sleeve is connected to one end of the main sleeve, and a first hollow channel is formed in the first puncture sleeve; the second puncture sleeve is located in the first hollow channel, a second hollow channel is formed in the second puncture sleeve, one end of the second puncture sleeve is a transmission end, the other end of the second puncture sleeve is a puncture tip end, and the transmission end extends into the main hollow channel; the transmission structure comprises a guide groove hole and a transmission rod, the step of puncturing through the tip can be achieved, the problem of operation errors caused by the |
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