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.

Date of Patent:
Jan. 15, 2013

Filed:

May. 06, 2010
Applicants:

Peter C. Smith, Half Moon Bay, CA (US);

Steve Axelrod, Los Altos, CA (US);

Paul A. Lovoi, Saratoga, CA (US);

Inventors:

Peter C. Smith, Half Moon Bay, CA (US);

Steve Axelrod, Los Altos, CA (US);

Paul A. Lovoi, Saratoga, CA (US);

Assignee:

Xoft, Inc., Sunnyvale, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G21F 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A flexible, lightweight radiation absorbing sheet or shield includes heavy metal particles in one layer and mid-atomic number particles in another layer, the layer that will be adjacent to the patient. The shield is particularly intended for protection of the wearer and others from radiation emanating from a therapeutic source positioned within the patient's body. With the disclosed multi-layer shield construction, backscattered radiation off the heavy metal particle layer, affecting the patient's adjacent tissue, is minimized.


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