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Last Updated: April 25, 2024

Details for Patent: 7,881,777

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Summary for Patent: 7,881,777

Title:	Method and apparatus for performing intra-operative angiography
Abstract:	Method for assessing the patency of a patient's blood vessel, advantageously during or after treatment of that vessel by an invasive procedure, comprising administering a fluorescent dye to the patient; obtaining at least one angiographic image of the vessel portion; and evaluating the at least one angiographic image to assess the patency of the vessel portion. Other related methods are contemplated, including methods for assessing perfusion in selected body tissue, methods for evaluating the potential of vessels for use in creation of AV fistulas, methods for determining the diameter of a vessel, and methods for locating a vessel located below the surface of a tissue.
Inventor(s):	Docherty; John C. (Winnipeg, CA), Hewko; Mark (Winnipeg, CA), Mangat; Gurpreet (Markham, CA), Flower; Robert W. (Hunt Valley, MD), Chari; Seshadri M. (Toronto, CA)
Assignee:	National Research Council of Canada (Ottawa, CA)
Application Number:	11/946,672
Patent Claim Types: see list of patent claims	Use; Device;

Drugs Protected by US Patent 7,881,777

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 7,881,777

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	375749	⤷ Try a Trial
Austria	506005	⤷ Try a Trial
Australia	6767500	⤷ Try a Trial
Australia	782257	⤷ Try a Trial
Brazil	0014289	⤷ Try a Trial
Canada	2339214	⤷ Try a Trial
China	101264014	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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