Method and apparatus for locating data characterizing blood flow through the heart

Patent 4217642 Issued on August 12, 1980. Estimated Expiration Date:

September 13, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3911419

System for determining characteristics of blood flow
Patent #: 3996925
Issued on: 12/14/1976
Inventor: Djordjevich

CRT cursor scan control circuits
Patent #: 4020391
Issued on: 04/26/1977
Inventor: Baxter

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Patent #: 4060713
Issued on: 11/29/1977
Inventor: Golay

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Patent #: 4063223
Issued on: 12/13/1977
Inventor: Schlig , et al.

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Issued on: 10/03/1978
Inventor: Ogawa , et al.

Inventors

Assignee

Bios Inc.

Application

No. 05/941903 filed on 09/13/1978

US Classes:

600/526, Blood output per beat or time interval345/157, Cursor mark position control device345/440, Graph generating715/970Instrumentation and component modelling (e.g., interactive control panel)

Examiners

Primary: Krass, Errol A.

Attorney, Agent or Firm

McAulay, Fields, Fisher, Goldstein & Nissen

International Classes

A61B 5/026 (20060101)
G06F 3/02 (20060101)
G09G 5/08 (20060101)

Abstract

A method and improved apparatus for locating data of interest on a cathode ray tube display in a system for characterizing blood flow through the heart is disclosed. Apparatus comprising an adjustable cursor control circuit is utilized to generate a plurality of stable horizontal or vertical cursor lines on the cathode ray tube display thereby enhancing the user's ability to locate data of interest.