Staged implantation of ventricular assist devices

• US 8,388,649 B2
• Filed: 03/05/2007
• Issued: 03/05/2013
• Est. Priority Date: 05/21/2001
• Status: Active Grant

• Current Assignee: Heartware,Inc. (Medtronic Plc), HeartWare Pty Ltd. (Medtronic Plc), Thoratec LLC
• Original Assignee: Thoratec LLC
• Inventors: Woodard, John Campbell, Tansley, Geoffrey Douglass
• Primary Examiner(s): Holmes, Rex R
• Application Number:
  US11/713,675
• Publication Number:
  US 20070161847A1
• Time in Patent Office: 2,192 Days
• Field of Search: 606213-216, 606/200, 600/16
• US Class Current: 606/213
• CPC Class Codes: A61M 2039/0291 method or device for implanting it in the body
• CPC Class Codes: A61M 39/0247 Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body peritoneal dialysis catheters A61M1/285; tracheostomy devices A61M16/0465; measuring pressure within the body A61B5/03; colostomy devices A61F5/445; gastrotomy feeding tubes A61J15/0015; means for fixing a feeding tube outside of the body A61J15/0053
• CPC Class Codes: A61M 60/148 in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
• CPC Class Codes: A61M 60/178 drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular assist devices
• CPC Class Codes: A61M 60/216 including a rotating member acting on the blood, e.g. impeller
• CPC Class Codes: A61M 60/859 Connections therefor

Abstract

The invention comprises an embolization device for insertably sealing a cannula. The embolization device comprises a sealing cap at a first end and a carrier surface at a second end. The carrier surface is adapted to carry a coagulating material and induces an embolism at a position proximal to the second end and an elongate stem adapted to be inserted within the cannula.

Claims

1. An embolisation device for sealing a cannula, comprising:

an elongated stem having a first end and a second end;

a sealing cap at the first end, configured to sealingly connect to the cannula; and

a carrier surface at the second end including a coagulating material on the second end for inducing an embolisation at a sealing position of the cannula;

wherein the coagulating material is placed at the sealing position of the cannula when the stem is inserted into the cannula; and

wherein the cannula and stem are configured to remain within a patient.

2. The embolisation device of claim 1 wherein the embolisation device is configured for sealing the cannula at a sealing point adjacent to a heart of the patient, during use.

3. The embolisation device of claim 1 wherein the sealing cap has a threading adapted for engaging a complimentary threading disposed on the cannula.

4. The embolisation device of claim 1, wherein the embolisation device is configured for sealing the cannula when the entire length of the stem is inserted into the cannula.