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. 17, 2002
Filed:
Feb. 20, 1999
Marc G. Apple, Fort Wayne, IN (US);
Brian L. Bates, Bloomington, IN (US);
John A. DeFord, Bloomington, IN (US);
Neal E. Fearnot, West Lafayette, IN (US);
James D. Purdy, Lafayette, IN (US);
Joseph P. Lane, Bloomington, IN (US);
Delbert C. Miller, Bloomington, IN (US);
Gregory A. Frankland, Unionville, IN (US);
Other;
Abstract
A catheter apparatus and radiation dosimetry unit indicator for delivery of a prescribed radiation dose to a patient. A radiotherapy source vial ( ) includes a fluid container ( ) of radioactive fluid with a seal ( ) disposed about the container. Seal ( ) is moveable with respect to container ( ) to change the contained volume therein. A radioactive fluid transport site ( ) is in communication with the contained volume and with an exterior ( ) of the container ( ), and may include a septum ( ) or a valve ( ). An engagement mechanism ( ) is connectable to an external control mechanism ( ) whereby the contained volume in the radioactive fluid container can be decreased and increased by actuation of the external control mechanism.