| 摘要 |
The invention relates to a cannula (120), comprising a first cannula section (10) having an arcuate cross-section and a second cannula section (12) accommodated by the first cannula section and having an arcuate cross-section, wherein one of the cannula sections has a puncturing tip (32) at the distal end thereof. In order to enable the trouble-free detachment of the cannula sections, according to the invention, in order to detach the cannula sections from each other, one of the cannula sections can be pulled off from the other cannula section transversely to the longitudinal axis of the cannula by means of an operating element that starts from one of the cannula sections and is supported directly or indirectly on the other cannula section. |
