6 results about "Ductus arteriosus" patented technology

An arterial catheter system may include a catheter assembly, which may include a catheter adapter. The arterial catheter system may include an arterial catheter extending from a distal end of the catheter adapter. An arterial catheter system may include a needle assembly that may include a needle hub and an introducer needle. An arterial catheter system may include an arterial blood protection device coupled to a catheter assembly. The arterial catheter system may include fluid pathways within the arterial catheter, the catheter adapter, and the arterial blood protection device. A first fluid resistance within a portion of the fluid pathway within the arterial blood protection device may be greater than a second fluid resistance within the fluid pathway distal to the portion of the fluid pathway.

The utility model relates to a femoral artery catheter fixing device which comprises a puncture opening sterile area and a catheter fixing base, and a fixing assembly is arranged on the catheter fixing base. The puncture opening sterile area and the back face of the catheter fixing base are tightly attached to the root of the thigh of a patient, the exposed catheter and the vascular sheath are preliminarily fixed through the U-shaped notch, one end of the exposed catheter is fixed through the fixing assembly, and the exposed catheter can be prevented from being folded, twisted and even disengaged through the fixing assembly; the working time of medical staff is shortened, multiple layers of gauze and elastic bandages are replaced for wrapping and fixing, use is more convenient, contact between the vascular sheath and the outside can be reduced by using the sterile pasting film, and therefore the sterile state of the sterile area of a puncture opening is kept; and finally, after the remaining exposed guide pipes are arranged and smoothened, the remaining exposed guide pipes are fixed one by one through the remaining fixing assemblies, the remaining exposed guide pipes can be prevented from being folded, twisted and even disengaged, and the fixing effect is better.

A method and system for performing transseptal extracorporeal membrane oxygenation is disclosed. The method may include puncturing a septum between the right atrium and the left atrium and advancing a catheter system through the puncture and into the aorta. A first portion of the catheter system can remove blood from the patient, in some examples near the inferior vena cava. A second portion can return oxygenated blood to the patient, through the transseptal puncture and into the aorta.

A pulmonary arterial catheter system may include a port housing coupled to a catheter and supporting: a right ventricular port, a right atrial port, a pulmonary artery distal lumen, a balloon port, and a volume sensor port. A pulmonary arterial catheter system may include a plurality of volume sensors positioned along a length of the catheter and in communication with the volume sensor ports.

The invention relates to compositions for treating or preventing patent ductus arteriosus in infants, particularly preterm newborns. The invention also relates to compositions for treating or preventing sepsis, improving the immune system, and improving intestinal function. Figure 3A accompanies the abstract.

An arterial catheter system may include a catheter assembly that may include a catheter hub and an arterial catheter. An arterial catheter system may include a needle assembly that may include a needle hub and an introducer needle. The arterial catheter system may include an extension tube coupled to the catheter assembly and a fluid pathway extending through the arterial catheter, the catheter hub, and the extension tube. A first fluid resistance within a portion of the fluid passage within the extension tube may be greater than a second fluid resistance within the fluid passage distal or proximal to the portion of the fluid passage. The extension tube may have a length L and an inner diameter D. The geometry factor Gf of the portion of the fluid pathway may be equal to L / D4 and may be selected to reduce hemolysis during blood drawing from the artery.