Intubation device for venous transfusion

• Main Author: LU SHOULONG
• Format: Patent
• Language: Chinese; English
• Published: 09.01.2008
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

A intravenous transfusion cannula device comprises a puncture needle and a cannula, of which the front end of the cannula is a solid taperedtoe; the cannula is provided at least with an one-way flapper; the solid taperedtoe consists of a X-ray display piece; a transfusion three-way switch is positioned at the tail end of the puncture needle; the side port of the three-way switch is communicated with a washpipe for transfusion; a layer of transparent medical film cannula is added on the cannula; the front end of the film cannula is stuck to the tail end of the puncture needle; a length indicator line is arranged on the external face of the cannula. The display piece can be seen by a X-ray meter when the cannula reaches the vein through a puncture needle hole, and inputting length of the cannula can be convenient grasped; once the back blood is condensed in the puncturing site or outside the cannula, the coagulum can be discharged by a washpipe at the side port; the cannula is advanced by hand outside the film