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:
Sep. 04, 2001
Filed:
Dec. 30, 1997
Applicant:
Inventors:
John H. Staehlin, Lutherville, MD (US);
Guy Rubley, Arbutus, MD (US);
Assignee:
Volunteers for Medical Engineering, Baltimore, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/00 ; A61M 3/100 ;
U.S. Cl.
CPC ...
A61M 5/00 ; A61M 3/100 ;
Abstract
Disclosed is an apparatus and method for guiding a needle into a blood vessel of a patient. The apparatus is removably attached to a patient's arm, and uses the returns from transducer arrays to locate the blood vessel. The needle, positioned on the apparatus, is maneuvered in accordance with the transducer returns to ensure accurate penetration of the blood vessel.