Injectable acoustic transmission devices and process for making and using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-047/16
H04B-011/00
B06B-001/06
G01S-001/72
A01K-011/00
B06B-001/02
H01M-002/16
H01M-004/133
H01M-004/66
H01M-010/052
H01M-010/0568
H01M-010/0569
H01M-010/0587
A01K-061/90
출원번호
US-0014035
(2013-08-29)
등록번호
US-10033469
(2018-07-24)
발명자
/ 주소
Deng, Z. Daniel
Myjak, Mitchell J.
Carlson, Thomas J.
Xiao, Jie
Li, Huidong
Cartmell, Samuel S.
Lu, Jun
Chen, Honghao
Eppard, M. Bradford
Gross, Mark E.
출원인 / 주소
Battelle Memorial Institute
대리인 / 주소
Wells St. John P.S.
인용정보
피인용 횟수 :
0인용 특허 :
24
초록▼
Injectable acoustic tags and a process of making are described for tracking host animals in up to three dimensions. The injectable acoustic tags reduce adverse biological effects and have a reduced cost of manufacture compared with conventional surgically implanted tags. The injectable tags are powe
Injectable acoustic tags and a process of making are described for tracking host animals in up to three dimensions. The injectable acoustic tags reduce adverse biological effects and have a reduced cost of manufacture compared with conventional surgically implanted tags. The injectable tags are powered by a single power source with a lifetime of greater than 30 days. The injectable tags have an enhanced acoustic signal transmission range that enhances detection probability for tracking of host animals.
대표청구항▼
1. An injectable acoustic transmission device, comprising: an injectable containment vessel that defines an internal volume below about 115 mm3 for containing components in a configuration and dimensions that allows the injectable acoustic transmission device to be injectable;a power source configur
1. An injectable acoustic transmission device, comprising: an injectable containment vessel that defines an internal volume below about 115 mm3 for containing components in a configuration and dimensions that allows the injectable acoustic transmission device to be injectable;a power source configured to power operation of the injectable acoustic transmission device over a duration of greater than about 30 days of full-time activity at a selected transmission rate;a controller configured to supply one or more tag codes, each tag code having a selectable code length up to 64-bits and including an identification (ID) code of a selectable bit length therein;at least one piezoelectric transducer disposed at an end of the containment vessel configured to transmit an acoustic signal containing the one or more tag codes and their respective identification codes encoded therein to a receiver disposed external to the injectable acoustic transmission device; andwherein at least one of the at least one piezoelectric transducers includes an inner wall and an outer wall each with a surface electrode, and wherein the inner wall is offset with respect to the outer wall in a direction towards a transmission direction of the injectable acoustic transmission device by a distance selected to enhance the acoustic signal in the transmission direction. 2. The device of claim 1, further comprising one or more sensors within the device, and wherein at least one of the one or more tag codes includes numeric data collected from the one or more sensors within the device. 3. The device of claim 2, wherein the one or more sensors includes a temperature sensor, and wherein the numeric data is temperature data collected from the temperature sensor. 4. The device of claim 1, wherein the at least one of the at least one piezoelectric transducers includes an inner circumference and an outer circumference and a center of the inner circumference is offset relative to the center of the outer circumference in the direction towards the transmission direction. 5. The device of claim 1, further including an acoustic reflector positioned behind the at least one piezoelectric transducer configured to enhance the acoustic signal by at least about 0.5 dB when released in the transmission direction compared with the device absent the acoustic reflector. 6. The device of claim 5, wherein the acoustic reflector comprises a closed-cell foam of a selected width that enhances the acoustic signal emitted from the at least one piezoelectric transducer in the transmission direction. 7. The device of claim 6, wherein the acoustic reflector includes a width dimension not greater than about 1/6 of the outer circumference of the at least one piezoelectric transducer. 8. The device of claim 5, wherein the acoustic reflector yields a substantially uniform beam pattern comprising 180° of the transmission wavefront delivered from the at least one transducer in the transmission direction. 9. The device of claim 1, wherein the device with a single piezoelectric transducer includes a total weight below about 220 mg. 10. The device of claim 1, wherein the injectable containment vessel has a length at or below about 15.0 mm, and a diameter at or below about 3.4 mm. 11. The device of claim 1, wherein the acoustic signal has a source level output greater than about 153 dB (re: 1 μPa @ 1 meter). 12. The device of claim 1, wherein the controller is configured to automatically adjust the energy drawn from the power source as the power source discharges such that the acoustic source level remains substantially constant over a majority of the operation lifetime of the device. 13. The device of claim 1, wherein the controller is configured to supply two or more tag codes to the at least one piezoelectric transducer. 14. The device of claim 1, wherein the controller generates the acoustic waveform using a configurable number of cycles for each bit of the one or more tag codes, and wherein the configurable number of cycles for each bit of the one or more tag codes is selected corresponding to use of the device in one of a plurality of different applications. 15. The device of claim 1, wherein the device includes an infrared component that optically links the controller to a host computer, the infrared component receives coding and programming instructions that configure the controller for operation when the injectable acoustic transmission device is injected into the host animal. 16. The device of claim 1, wherein the device includes an active lifetime of at least about 35 days at a pulse rate interval (PRI) of 5 seconds. 17. The device of claim 1, wherein the at least one piezoelectric transducer includes a “breathing mode” resonance frequency of 416.7 kHz. 18. The device of claim 17, wherein the “breathing mode” resonance frequency is from about 10 kHz to about 50 kHz higher than the drive signal frequency that compensates for the downshift in the resonance frequency caused by coating layers on the surface of the at least one piezoelectric transducer when the acoustic signal is emitted therefrom. 19. The device of claim 1, wherein the at least one piezoelectric transducer includes end caps composed of a selected metal disposed at respective flat ends of the at least one piezoelectric transducer configured to enhance the acoustic signal emitted from the ends thereof. 20. The device of claim 1, wherein the power source (battery) includes a plurality of laminates configured to supply an output voltage of at least about 2.5 volts, each laminate includes an anode with a cathode disposed between a polymer separator that electrically isolates the cathode from the anode in the laminate, and an electrolyte. 21. The device of claim 20, wherein the separator comprises micro-porous polypropylene. 22. The device of claim 20, wherein the cathode comprises carbon fluoride and a conducting carbon within a binder affixed at a selected thickness to a current collector. 23. The device of claim 22, wherein the cathode includes 85 wt % carbon fluoride, 10 wt % carbon, and 5 wt % polytetrafluoroethylene (PTFE) binder. 24. The device of claim 20, wherein the current collector includes a metal mesh comprised of aluminum or an aluminum-containing alloy. 25. The device of claim 20, wherein the anode comprises lithium metal of a selected thickness and a selected weight. 26. The device of claim 20, wherein the plurality of cathode/anode laminates are enclosed within a container comprising a high mechanical strength and chemically resistant polymer of a selected thickness. 27. The device of claim 20, wherein the electrolyte comprises a selected concentration of lithium hexafluorophosphate (LiPF6) disbursed in a selected volume ratio of ethylene carbonate (EC) and dimethyl carbonate (DMC) that minimizes voltage drops within the power source during operation. 28. A method for transmission of location and identification information from a host animal in real-time or as a function of time, the method comprising: injecting the injectable acoustic transmission device of claim 1 at a selected location in the body of the host animal;transmitting an acoustic signal from the injectable acoustic transmission device disposed within the body of the host animal encoded with one or more tag codes of a code length up to about 64 bits, each tag code including an identification code of a selectable code length encoded with at least identification data that is transmitted to a receiver disposed external to the host animal; anddecoding the acoustic signal received from the injectable acoustic transmission device to identify and track the host animal in up to three dimensions in real-time or as a function of time. 29. The method of claim 28, wherein the transmitting includes alternately transmitting the one or more tag codes one after the other in succession. 30. The method of claim 28, wherein the transmitting further includes transmitting numeric data from one or more sensors in at least one of the one or more tag codes transmitted from the injectable acoustic transmission device. 31. The method of claim 28, further including programming the injectable acoustic transmission device for operation via an optical link in the injectable acoustic transmission device. 32. The method of claim 31, wherein the programming includes configuring the injectable acoustic transmission device to automatically adjust the energy drawn from the power source as the power source discharges such that the acoustic source level remains substantially constant over the majority of the operation lifetime of the device. 33. The device of claim 1, further comprising a temperature sensor, and wherein the at least one piezoelectric transducer is configured to transmit the acoustic signal containing temperature data collected from the temperature sensor and plural ones of the one or more tag codes at different moments in time. 34. The device of claim 1, wherein the at least one piezoelectric transducer is configured to transmit the acoustic signal which alternately contains plural ones of the one or more tag codes. 35. The device of claim 1, wherein the at least one piezoelectric transducer is configured to transmit the acoustic signal which contains one of plural ones of the one or more tag codes at one moment in time and another of the one or more tag codes at another moment in time. 36. The device of claim 1, wherein the selectable code length of each of the one or more tag codes and the selectable bit length of each of the identification (ID) codes are selected corresponding to use of the device in one of a plurality of different applications. 37. The device of claim 1, wherein the inner wall is offset with respect to the outer wall in the direction towards the transmission direction of the injectable acoustic transmission device in the absence of a drive signal which drives the at least one piezoelectric transducer. 38. The device of claim 1, wherein the inner wall has an inner diameter of about 1.7 mm to about 1.9 mm, the outer wall has an outer diameter of about 2.4 mm to about 2.6 mm, and the inner wall is offset with respect to the outer wall by the distance of about 0.15 mm. 39. The device of claim 1, wherein the inner wall is offset with respect to the outer wall when the at least one of the at least one piezoelectric transducers is assembled into the injectable acoustic transmission device. 40. The device of claim 1, wherein the at least one piezoelectric transducer is activated along a thickness direction. 41. The device of claim 1, wherein the vessel has a narrowed front end compared with a back end thereof, and the at least one of the at least one piezoelectric transducers is adjacent to the narrowed end of the vessel.
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