| 摘要 |
A safety catheter includes a body having an axial channel communicating with a sheath for administration of fluids, a guide needle insertable, though the channel of the body, into the sheath to guide it during insertion into a patient's body, and a guide needle body, supporting the guide needle, insertable into the catheter body and provided with at least one seat for coupling with medical instruments, the guide needle being mounted slidably in the catheter body to be able to pass from a forward working position, wherein the guide needle protrudes forward from the catheter body, to a retracted safety position, wherein the guide needle is protected inside the catheter body, locking elements disposed in the guide needle, cooperating with complementary stop elements disposed in the catheter body, to lock the guide needle body respectively in the forward working and the retracted safety positions.
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