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:
Jul. 20, 1999

Filed:

Dec. 27, 1996
Applicant:
Inventors:

Douglas Murphy-Chutorian, Sunnyvale, CA (US);

Richard L Mueller, Sunnyvale, CA (US);

Stuart D Harman, Sunnyvale, CA (US);

Steve A Daniel, Sunnyvale, CA (US);

Larry Witham, Palo Alto, CA (US);

Robert Lincoln Lathrop, III, San Jose, CA (US);

Bruce Richardson, San Jose, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 30 ; 604 20 ;
Abstract

A drug delivery apparatus for dispensing predetermined volumes of drug, drug solution or other substances into an opening, such as a TMR channel in the human heart, or other laser treated area within the human body, the apparatus consisting of a bifurcated needle with a laser inlet for guiding a laser delivery means, such as an optical fiber or fiber bundle, to adjacent a surface of the human heart or other body structure for creating an opening, such as a TMR channel, or other laser treated area thereon. A drug inlet is for receiving the drug and transmitting the drug to the TMR channel or other laser treated area. Optionally, a piercing tip and/or suction device assists in positioning the apparatus adjacent the tissue to be treated. Drug is dispensed by manually or automatically actuating a piston or syringe element. A method of use is also disclosed.


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