Injectable device for physiological monitoring
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-005/00
A61B-005/145
출원번호
US-0209430
(2008-09-12)
등록번호
US-8684925
(2014-04-01)
발명자
/ 주소
Manicka, Yatheendhar D.
Amurthur, Badri
Bly, Mark
James, Kristofer
Libbus, Imad
Mazar, Scott
Wang, Jerry
출원인 / 주소
Corventis, Inc.
대리인 / 주소
Kilpatrick Townsend & Stockton LLP
인용정보
피인용 횟수 :
56인용 특허 :
363
초록▼
An injectable detecting device is provided for use in physiological monitoring. The device includes a plurality of sensors axially spaced along a body that provide an indication of at least one physiological event of a patient, a monitoring unit within the body coupled to the plurality of sensors co
An injectable detecting device is provided for use in physiological monitoring. The device includes a plurality of sensors axially spaced along a body that provide an indication of at least one physiological event of a patient, a monitoring unit within the body coupled to the plurality of sensors configured to receive data from the plurality of sensors and create processed patient data, a power source within the body coupled to the monitoring unit, and a communication antenna external to the body coupled to the monitoring unit configured to transfer data to/from other devices.
대표청구항▼
1. An injectable device for use in physiological monitoring, comprising: a plurality of sensors axially spaced along a body that provide an indication of at least one physiological event of a patient;a monitoring unit within the body coupled to the plurality of sensors configured to receive data fro
1. An injectable device for use in physiological monitoring, comprising: a plurality of sensors axially spaced along a body that provide an indication of at least one physiological event of a patient;a monitoring unit within the body coupled to the plurality of sensors configured to receive data from the plurality of sensors and create processed patient data;a power source within the body coupled to the monitoring unit; anda communication antenna external to the body coupled to the monitoring unit configured to transfer data to/from other devices. 2. The device of claim 1, wherein the monitoring unit includes a processor. 3. The device of claim 2, wherein the processor includes program instructions for evaluating values received from the sensors with respect to acceptable physiological ranges for each value received by the processor and determine variances. 4. The device of claim 1, wherein the monitoring unit includes logic resources that determine heart failure status and predict impending decompensation. 5. The device of claim 1, wherein the monitoring unit is configured to perform one or more of, data compression, prioritizing of sensing by a sensor, cycling sensors, monitoring all or some of sensor data by all or a portion of the sensors, sensing by the sensors in real time, noise blanking to provide that sensor data is not stored if a selected noise level is determined, low-power of battery caching and decimation of old sensor data. 6. The device of claim 1, wherein the monitoring unit includes a notification device configured to provide notification when values received from the plurality of sensors are not within acceptable physiological ranges. 7. The device of claim 1, wherein the monitoring unit is configured to serve as a communication hub for multiple medical devices, coordinating sensor data and therapy delivery while transmitting and receiving data from a remote monitoring system. 8. The device of claim 1, wherein the monitoring unit is configured to deactivate selected sensors to reduce redundancy. 9. The device of claim 1, wherein each of a sensor is selected from at least one of, bioimpedance, heart rate, heart rhythm, HRV, HRT, heart sounds, respiratory sounds, respiratory rate and respiratory rate variability, blood pressure, activity, posture, wake/sleep, orthopnea, temperature, heat flux and an accelerometer. 10. The device of claim 1, wherein each of a sensor is an activity sensor selected from at least one of, ball switch, accelerometer, minute ventilation, HR, bioimpedance noise, skin temperature/heat flux, BP, muscle noise and posture. 11. The device of claim 1, wherein the sensors are made of at least a material selected from, silicone, polyurethane, Nitinol, titanium, a biocompatible material, ceramics and a bioabsorbable material. 12. The system of claim 1, wherein at least a portion of sensors of the plurality of sensors have an insulative material selected from, PEEK, ETFE, PTFE, and polyimide, silicon, polyurethane. 13. The device of claim 1, wherein at least a portion of sensors of the plurality of sensors have openings or an absorbent material configured to sample a hydration level or electrolyte level in a surrounding tissue site of the plurality of sensors. 14. The device of claim 1, wherein the plurality of sensors includes current delivery electrodes and sensing electrodes. 15. The device of claim 1, wherein the outputs of the plurality of sensors is used to calculate and monitor blended indices. 16. The device of claim 15, wherein the blended indices include at least one of, heart rate (HR) or respiratory rate (RR) response to activity, HR/RR response to posture change, HR+RR, HR/RR+bioimpedance, and/or minute ventilation/accelerometer. 17. The device of claim 1, wherein the body and antenna are injectable in the patient by at least one of, catheter delivery, blunt tunneling, insertion with a needle, by injection, with a gun or syringe device with a stiffening wire stylet, guidewire, or combination of stylet or guidewire with a catheter. 18. The device of claim 1, wherein the body is flexible. 19. The device of claim 1, wherein at least a portion of the body has a drug eluting coating. 20. The device of claim 1, wherein the power source comprises a rechargeable battery transcutaneously chargeable with an external unit. 21. The device of claim 1, wherein the antenna is an expanding antenna expandable from a first compressed shape to a second expanded shape. 22. The device of claim 1, wherein the plurality of sensors includes two current delivery electrodes and two sensing electrodes, and the monitoring unit is configured to measure bioimpedance using the two currently delivery electrodes and the two sense electrodes. 23. An injectable device for use in physiological monitoring, comprising: a plurality of electrodes axially spaced along a flexible injectable body, the electrodes comprising two current delivery electrodes and two sense electrodes for measuring bioimpedance;a monitoring unit within the body coupled to the plurality of electrodes configured receive an output of the sense electrodes and determine the bioimpedance from the output;a power source within the body coupled to the monitoring unit; anda communication antenna external to the body coupled to the monitoring unit configured to transfer data to/from other devices. 24. The injectable device of claim 23, wherein the antenna is an expanding antenna expandable from a first compressed shape to a second expanded shape. 25. The injectable device of claim 23, wherein the monitoring unit is further configured to, based at least in part on bioimpedance readings taken over a period of time, predict impending decompensation in a patient. 26. The injectable device of claim 25, wherein the monitoring unit is further configured to wirelessly communicate an indication of the decompensation prediction to another device.
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