3 results about "Venous cannula" patented technology

Some embodiments of a medical system include a catheter device, such as an intravenous cannula device, having an external anchor device and a subcutaneous anchor device to secure a distally extending cannula of the device in a selected position relative to a skin penetration point.

The utility model relates to a kind of extracorporeal circulation venous intubation kits, including venous intubation, the venous intubation has hollow drainage cavity, is divided into front section, middle section and rear section, wherein the diameter of front section is less than the diameter of rear section, the middle section is transition section and is conical, the front section is equipped with support part, the support part is enclosed by several support strips, spacing is equipped between each support strip, the middle part of front section tip is drainage hole one, support steel wire is equipped in the venous intubation, thread tooth is equipped around the head of rear section, venous intubation is connected with guide core cover through connecting piece, guide wire passes through guide core, and venous intubation is guided into blood vessel by guide wire, the utility model structure is simple, can effectively prevent that venous intubation because patient blood volume is insufficient and the effect of exerting negative pressure leads to that the blood flow hole of venous intubation is wrapped, blocked by blood vessel inner wall, influence the effect of venous drainage.

The utility model discloses a kind of extracorporeal circulation intubation forceps for small incision operation, including left forceps and right forceps, left forceps one end is set up left pipe structure of adjustable pipe angle of opposing, right forceps one end is set up and the right pipe structure of corresponding left pipe structure;Left adjusting part one side is set left arc clamping plate, right adjusting part one side is set right arc clamping plate;Left forceps and right forceps are connected by self-locking structure, the application can be clamped to intravenous cannula, the angle of intravenous cannula can be adjusted simultaneously, intravenous cannula is accurately inserted into vena cava, the accuracy of intravenous cannula placement is improved, and the clamping force of intravenous cannula can be automatically locked, prevent intravenous cannula from loosening, and facilitate to push intravenous cannula.