The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 2001
Filed:
Aug. 10, 1999
Bernard Bradley Anderson, Washington, DC (US);
Abraham Antonio Anderson, Berkeley, CA (US);
Other;
Abstract
The apparatus for diverting blood from the retro hepatic inferior vena cava (IVC) and internally shunting renal and infra renal IVC blood into the right atrium during surgery on the liver, its vessels, or the retro hepatic IVC is described. It is symmetrical on its mid horizontal axis permitting similar utility whether venous access was above or below the liver. It is a hollow plastic tube with two sidewall openings, one at each end with four intervening completely encircling balloons. It is continuous with a proximal component which serves to remotely manipulate, infuse fluids and inflate the balloons in the distal component. Once introduced into the venous system by right atriotomy or infrarenally by venotomy, the distal component would be advanced and seated in the right atrium and supra renal IVC. Inflation of the balloon immediately below the shunt opening in the right atrium would provide for easy digital sensation within the pericardium and identification of the exact site below this balloon for occlusion by ligating the intra pericardial IVC around the shunt. This would prevent reflux of blood from the heart into the retro hepatic IVC and fix the position of the balloon immediately above the lower opening cephalad to the renal veins which when inflated would occlude the supra renal IVC and instantly cause bypass of the retrohepatic IVC, and shunt renal and infra renal IVC blood to the heart.