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US4577631: Aneurysm repair apparatus and method

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Filing Information

Inventor(s) Jeffry W. Kreamer ·
Assignee(s) KREAMER JEFFRY W ·
Attorney/Agent(s) Kent A. Herink ·
Primary Examiner William H. Grieb ·
Application Number US6671994
Filing date 11/16/1984
Issue date 03/25/1986
Predicted expiration date 11/16/2004
U.S. Classifications 128/334.R  · 128/303.R  ·
International Classifications A61B 1712  ·
Kind CodeA
International Classifications 128334 R;334 C;303 R;325 ·
11 Claims, No Drawings


Abstract

A method and apparatus for repairing inside the body a damaged section of a blood vessel, including an occlusion catheter which is inserted into the vessel at an incision site remote from the damaged section. An umbrella-like stopper at the proximal end of the occlusion catheter is positioned upstream of the damaged section whereupon it is opened to block the flow of blood through the damaged section. A prosthetic graft is inserted into the vessel around a balloon catheter. The outer periphery of the graft is coated with a contact adhesive which is brought into contact with the healthy walls of the vessel on either side of the damaged section by inflation of the balloon catheter. The graft adheres permanently to the walls of the vessel thereby replacing the damaged section while leaving the normal circulatory pathways intact.

Independent Claims | See all claims (11)

  1. 1. A method for repairing inside the body a damaged section of a blood vessel, comprising the steps of:a. making an incision into a vessel distal of and communicating with the damaged section of the blood vessel;b. blocking the flow of blood through the vessel and the damaged section by inserting an occlusion catheter into the vessel through the incision and opening the catheter upstream of the damaged section of the vessel;c. feeding into the vessel a prosthetic graft affixed temporarily to a second catheter, which graft extends longitudinally beyond the damaged section to healthy portions of the vessel; andd. adhering the graft to healthy sections of the vessel on either side of the damaged section by an adhesive on the outer periphery of the graft which is contacted to the vessel by the second catheter.
  2. 2. A method for repairing within the body a damaged portion of a blood vessel, comprising the steps of:a. inserting an occlusion catheter into an incision in a vessel downstream from and communicating with the damaged portion of the blood vessel;b. blocking the flow of blood through the vessel by expanding the occlusion catheter upstream from the damaged portion;c. inserting a generally tubular prosthetic graft into the vessel, which graft extends longitudinally beyond the damaged portion to healthy portions of the vessel; andd. adhering the prosthetic graft to healthy walls of the vessel by a adhesive applied to the outer periphery of the graft and contacted to the vessel by an expandable catheter.
  3. 8. Apparatus for repairing within the body a damaged section of a blood vessel, comprising:a. an occlusion catheter for insertion into the blood vessel at an incision downstream of the damaged section;b. an expandable and collapsible, nonporous stopper at the proximal end of the occlusion catheter which is expanded upstream of the damaged section to block the flow of blood through the vessel;c. a generally tubular prosthetic graft of a length longer than the damaged section of the vessel;d. a second catheter, covered by the graft and having a portion expandable in diameter, for insertion of the graft into the vessel;e. an adhesive applied to the outer periphery of the graft; andf. means for expanding the portion of the second catheter to effect contact and adhesion of the outer periphery of the graft to healthy portions of the vessel.
  4. 11.11. Apparatus for repairing within the body an infra-renal abdominal aortic aneurysm, comprising:a. an occlusion catheter for insertion into an incision in the femoral artery;b. an expandable and collapsable, nonporous stopper at the proximal end of the occlusion catheter, which stopper is expanded within the aorta upstream of the aneurysm but downstream of the renal arteries to block the flow of blood through the aneurysm and the femoral arteries but not through the renal arteries;c. a generally tubular prosthetic graft of double-woven Dacron having a length greater than that of the aneurysm;d. an adhesive applied to the outer periphery of the graft;e. a collapsed balloon catheter which temporarily receives as a sleeve the graft and which is inserted into the femoral artery and aorta about the occlusion catheter;f. a protective sleeve which temporarily covers the graft during insertion into the aorta; andg. compressed gas to inflate the balloon catheter to contact and adhere to healthy sections of the aorta on either side of the aneurysm sections of the graft exposed by withdrawal of the protective sleeve.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
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US3540431 KAZI MOBIN UDDIN Mobin-Uddin Nov 1970
US4140126 CHOUDHURY M HASAN Choudhury Feb 1979
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US4503569 Dotter Mar 1985

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