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:
Aug. 27, 1991

Filed:

Oct. 10, 1990
Applicant:
Inventors:

Asa Hedin, Stockholm, SE;

Lennart Moberg, Spanga, SE;

Jan Ljungstroem, Solna, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
1284 / ;
Abstract

A medical device implantable into the body of a patient with which spontaneous tissue contractions can be detected and tissue contractions can be stimulated, generates a stimulation after the expiration of an adjustable first time interval, started by the respective detection or the stimulation of a tissue contraction, if a spontaneous tissue contraction is not detected before the expiration of the first time interval and if a shorter, second time interval, started by the detection or stimulation of a tissue contraction, has not yet expired. Detection of a spontaneous tissue contraction during the second time interval starts a new second time interval. The duration of the second time interval is automatically set such that it is always shorter by a defined amount than the duration of the first time interval.


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