Pacemaker system for treating sleep apnea syndrome

A technology of apnea and pacemaker, applied in therapy, electrotherapy, cardiac stimulator, etc., can solve problems such as difficulty in adapting and inability to freely adapt to patient symptoms

Inactive Publication Date: 2006-05-10
JMS CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, although the pacemakers disclosed in the above-mentioned documents have sensor means as means for detecting apnea, and the reference value of the pacing frequency used when detecting apnea is preset, the reference value of the pacing frequency The setting is fixed and cannot be freely adapted to the patient's symptoms
In addition, it is difficult to adapt to sleep apnea with incomplete disappearance of thoracic movement such as obstructive sleep apnea

Method used

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  • Pacemaker system for treating sleep apnea syndrome
  • Pacemaker system for treating sleep apnea syndrome
  • Pacemaker system for treating sleep apnea syndrome

Examples

Experimental program
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Embodiment Construction

[0027] The pacemaker system of this embodiment is a model compatible with various modes such as SSI(R), VDD(R), and DDD(R), and has the following configuration.

[0028] A circuit for measuring thoracic impedance from lead wires embedded in the body is built into the pacemaker body. The circuit for measuring the thoracic impedance is part of the MV sensor as an apnea detection device. In addition, a memory circuit for storing the histogram of the MV sensor is built in the sensor body. In addition, in the sensing system of this method, when the rest frequency is set to ON, the SAS function is also set to be automatically turned on, but the SAS function can be automatically set independently regardless of whether the rest frequency is set or not. is ON, OFF. In addition, in the pacemaker system of this mode, as the reference value for shifting to the SAS pacing mode, for example, the reference value of 5 or more SAs in one hour and 10 seconds or more for one SA in another time...

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Abstract

A pacemaker system comprising apnea detecting means for measuring parameters about respiratory including at least two parameters of the number of apneas per unit time and the period of time during which an apnea continues and detecting an apnea state of a sleeping patient on the basis of the measured parameters, characterized in that when the measured values of the detection parameters measured by the apnea detecting means increase over reference values at which the pacing rate is changed to a preset and stored SAS treating pacing rate, the pacing rate is changed and the pacing mode is changed to an SAS treating pacing mode. The apnea syndrome of the sleeping patient is detected and treated coping with the bradycardia and various problems accompanying the apnea syndrome. The pacing rate and the pacing rate time can be set suitably for the patient without imposing too heavy a burden on the patient depending on the condition of the patient, and consequently the syndrome of the SAS can be treated efficiently and reliably.

Description

technical field [0001] The present invention relates to a pacemaker system for detecting apnea symptoms during sleep of a patient and improving various discomforts accompanied by bradycardia and apnea symptoms. Background technique [0002] Sleep Apnea Syndrome (Sleep Apnea Syndrome, also hereinafter referred to as SAS), is defined as a symptom of apnea of ​​more than 10 seconds that usually occurs more than 30 times a night, or more than 5 times an hour, as this symptom The cause of the disease is roughly divided into three types: "occlusive type" in which the cause is in the nose or throat, "central type" in which there are organic and functional disorders in the brain and brainstem, and "mixed type" in which these are mixed. [0003] Most patients with known SAS have concurrent bradycardia (sinus bradycardia, atrioventricular blockage). Most of these patients use a pacemaker, but the conventional pacemaker is an algorithm that performs pacing at a predetermined pacing ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/365
CPCA61N1/36514A61N1/36521
Inventor 须贺几山下哲以高野丰
Owner JMS CO LTD
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