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Magnetic Medical Apparatus, Kits, and Methods

a magnetic medical device and kit technology, applied in the field of medical devices, can solve the problems of limiting the inner diameter of conventional vascular grafts to 6 millimeters, and achieve the effects of convenient coating of medical devices, easy magnetization, and rapid attraction and attachmen

Inactive Publication Date: 2009-05-07
MAYO FOUND FOR MEDICAL EDUCATION & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides medical devices with surfaces that can attract and retain magnetic materials, such as cells and drugs, using magnetic attraction. This allows for the creation of smaller grafts and stents with magnetically coated surfaces. The magnetic coating can be applied in vivo or in a carrier liquid containing magnetic cells. The medical devices can be located in any suitable location within the body and coated with magnetic cells after implantation. The invention also allows for easy and quick magnetization of medical devices constructed of metals or metal alloys.

Problems solved by technology

Conventional vascular grafts are typically limited to inner diameters of 6 millimeters (mm) or more because of occlusion problems.

Method used

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  • Magnetic Medical Apparatus, Kits, and Methods
  • Magnetic Medical Apparatus, Kits, and Methods
  • Magnetic Medical Apparatus, Kits, and Methods

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Embodiment Construction

[0072]In the following detailed description of illustrative embodiments, reference is made to the accompanying drawings that form a part hereof, and in which are shown, by way of illustration, specific embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural changes may be made without departing from the scope of the present invention. Furthermore, like reference numbers denote like features in the different figures.

[0073]It should be noted that as used herein and in the appended claims, the singular forms “a”, “and”, and “the” include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to “a magnetic cell” includes a plurality of such cells and reference to “the magnetic contact surface” includes reference to one or more magnetic contact surfaces and equivalents thereof known to those skilled in the art.

Medical Devices with Magnetic Contact Surfaces

[0074]FIG. 1 depicts...

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Abstract

Medical devices with surfaces on which viable biologic cells are magnetically attracted and retained are disclosed along with methods of magnetic coating. The medical devices can be located in a carrier liquid containing high concentrations of magnetic cells before or after implantation. The carrier liquid with magnetic cells may be contact with the medical device in vitro or in vivo. In either case, the carrier liquid may have a concentration of magnetic cells that is high enough to facilitate coating of the medical device within an acceptable period of time, e.g., several hours or less. Magnetization of medical devices before, during, and / or after implantation and apparatus for performing the same are disclosed. Degaussing of magnetic medical devices is also disclosed.

Description

RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 60 / 691,090, filed on 16 Jun. 2005, titled MEDICAL DEVICES WITH DISTRIBUTED MAGNETIC FIELDS AND METHODS OF MANUFACTURING THE SAME, which is hereby incorporated by reference in its entirety.[0002]This application is also a continuation-in-part of U.S. patent application Ser. No. 11 / 446,861, filed on 5 Jun. 2006, titled KITS, APPARATUS AND METHODS FOR MAGNETICALLY COATING MEDICAL DEVICES WITH LIVING CELLS, which claims the benefit of U.S. Provisional Application No. 60 / 691,090, filed on 16 Jun. 2005, titled MEDICAL DEVICES WITH DISTRIBUTED MAGNETIC FIELDS AND METHODS OF MANUFACTURING THE SAME and which is a continuation-in-part of PCT / US2004 / 040242, filed on 2 Dec. 2004, titled KITS, APPARATUS AND METHODS FOR MAGNETICALLY COATING MEDICAL DEVICES WITH LIVING CELLS, which claims the benefit of U.S. Provisional Application No. 60 / 526,522, filed on 3 Dec. 2003, titled COATING MAGNETIC MEDICAL ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61F2/06A61F2/04A61F2/82
CPCA61F2/04A61F2/06A61N2001/0585A61F2/82A61F2210/009A61F2/24A61F2/07A61F2/30A61F2002/077A61F2002/30079
Inventor SANDHU, GURPREET S.SIMARI, ROBERT D.SANDHU, NICOLE P.GULATI, RAJIV
Owner MAYO FOUND FOR MEDICAL EDUCATION & RES
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