Electrocardiographic monitoring and recording device
DCFirst Claim
1. A portable electrocardiographic monitoring device, for attachment to a patient, comprising:
- an electrical circuit means for outputting a signal representative of heart rhythms of the patient;
an evaluation buffer means for storing the signal output from said electrical circuit means and for continuously overwriting the earliest stored signals after its storage capacity is reached, said evaluation buffer means having a predetermined storage capacity;
a long term storage means for storing the sisal output from said electrical circuit means simultaneously with said evaluation buffer means storing said signal output, said long term storage means having a storage capacity greater than that of said evaluation buffer; and
a signaling means for producing an activation signal which causes the evaluation buffer means to cease overwriting or to transfer its stored signals.
5 Assignments
Litigations
0 Petitions
Reexamination
Accused Products
Abstract
An electrocardiographic monitoring and recording device that includes continuous long-term recording with real time evaluation of the incoming data in an evaluation buffer for the occurrence of a clinically significant event. The occurrence of an event meeting programmable parameters causes the data stored in the evaluation buffer (which covers the period of time both before and after the event) to be transferred to a holding buffer and also triggers a patient alert. The patient, thus alerted, can then download the holding buffer via telephone to a central monitoring station. The patient can also manually trigger the transfer of data to the holding buffer. The monitor includes a separate long-term memory for storing up to 12-24 hours of data, which can also be down loaded.
-
Citations
26 Claims
-
1. A portable electrocardiographic monitoring device, for attachment to a patient, comprising:
-
an electrical circuit means for outputting a signal representative of heart rhythms of the patient; an evaluation buffer means for storing the signal output from said electrical circuit means and for continuously overwriting the earliest stored signals after its storage capacity is reached, said evaluation buffer means having a predetermined storage capacity; a long term storage means for storing the sisal output from said electrical circuit means simultaneously with said evaluation buffer means storing said signal output, said long term storage means having a storage capacity greater than that of said evaluation buffer; and a signaling means for producing an activation signal which causes the evaluation buffer means to cease overwriting or to transfer its stored signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
-
18. A portable electrocardiographic monitoring device, for attachment to a patient, comprising:
-
an electrical circuit means for outputting a signal representative of heart rhythms of the patient; an evaluation buffer means for storing the signal output from said electrical circuit means, and for continuously overwriting the earliest stored signals after its storage capacity is reached, said storage capacity being predetermined; a holding buffer means for receiving and storing data transferred tom said evaluation buffer means, said evaluation buffer means transferring its stored data to said holding buffer means after receiving an activation signal; a signal processing means for evaluating the signals representing the heart rhythms of the patient, said signal processing means stores certain parameters therein, compares said signals representing the heart rhythms with said stored parameters and, based on results of said comparison, outputs said activation signal; a long term storage means for storing signals representative of the heart rhythms of the patient, said long term storage means having a storage capacity greater than that of said evaluation buffer. - View Dependent Claims (19, 20, 21)
-
-
22. A portable electrocardiographic monitoring device, for attachment to a patient, comprising:
-
an electrical circuit means for outputting a signal representative of heart rhythms of the patient; an evaluation buffer means for storing the signal output from said electrical circuit means and for continuously overwriting the earliest stored signals after its storage capacity is reached, said storage capacity being predetermined; a long term storage means for storing the signal output from said electrical circuit means, said long term storage means having a storage capacity greater than that of said evaluation buffer; a signaling means for producing an activation signal which causes the evaluation buffer means to cease overwriting or to transfer its stored signals; and a holding buffer means for receiving and storing data transferred from said evaluation buffer means, said evaluation buffer means transferring its stored signals to said holding buffer means after receiving said activation signal. - View Dependent Claims (23, 24, 25, 26)
-
Specification