US5109845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wireless low-frequency medical treatment device
Assignee: Sanyo Electric Co Ltd
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Filing: 1990-11-14
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Granted: 1992-05-05
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Expires: 2010-11-14
Abstract
Abstract A wireless low-frequency medical treatment device having a sending section for sending data for low-frequency medical treatment and a pulse applying section for receiving the above data and applying a low-frequency pulse corresponding to the data on a living body, the device being characterized in that the sending section comprises a plurality of sending coils, whose axes cross each other in a space, and a sending coil driving circuit for supplying the sending coils with resonating currents having different phases, respectively, the currents indicating a signal corresponding to the data; and that the pulse applying section comprises a receiving coil for receiving the signal sent from the sending coils through electromagnetic induction.
Inventors
- 👤 Takahiro Yuuchi
- 👤 Yasuyuki Tsuchida
- 👤 Masakatsu Fujiwara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/372; A61N1/37211; A61N1/37217; A61N1/37223; A61N1/40; H; H01; H01Q; H01Q7/00; H01Q7/06; H01Q7/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
140 words
A wireless low-frequency medical treatment device having a sending section for sending data for low-frequency medical treatment and a pulse applying section for receiving the above data and applying a low-frequency pulse corresponding to the data on a living body, the device comprising: a sending section comprising a plurality of sending coils, whose axes cross each other in a space, and sending coil driving means for supplying the sending coils with resonating currents having different phases, respectively, the currents indicating a signal corresponding to the data; and a pulse applying section comprising a receiving coil for receiving the signal sent from the sending coils through electromagnetic induction, means for providing the signal to a microcomputer to control low frequency medical treatment applied to a living body by said pulse applying section, and pulse applying bodies for applying the medical treatment.
Claim 2
Dependent Claim
140 words
A wireless low-frequency medical treatment device having a sending section for sending data for low-frequency medical treatment and a pulse applying section for receiving the above data and applying a low-frequency pulse corresponding to the data on a living body, the device comprising: a sending section comprising a plurality of sending coils, whose axes cross each other in a space, and sending coil driving means for supplying the sending coils with resonating currents having different phases, respectively, the currents indicating a signal corresponding to the data; and a pulse applying section comprising a receiving coil for receiving the signal sent from the sending coils through electromagnetic induction, means for providing the signal to a microcomputer to control low frequency medical treatment applied to a living body by said pulse applying section, and pulse applying bodies for applying the medical treatment.
Claim 3
Dependent Claim
53 words
A device of claim 1, wherein the sending coil driving means comprises series capacitors, each connected to a sending coil serially for supplying the sending coils with a series resonating current, and control means for alternately turning on and off the series resonating currents in respective sending coils in accordance with the data.
Claim 4
Dependent Claim
38 words
A device of claim 2, wherein the plurality of sending coils are two sending coils whose axes cross each other with an angle of 90° and the series resonating currents have a 90° phase difference from each other.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-05-05 | 1995-11-04 | 1996-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-05 | 1999-11-04 | 2000-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-05 | 2003-11-04 | 2004-05-05 | $7700.00 | Window Closed / Lapsed |