US4019519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nerve stimulating device
Assignee: Neuvex Inc
•
Filing: 1975-07-08
•
Granted: 1977-04-26
•
Expires: 1995-07-08
Abstract
Abstract A pulse generator for providing timed pulses of adjustable amplitude and constant width for nerve stimulation at selected portions of a body. The timed pulses of positive and negative amplitude are generated alternatinely and the period can be precisely set.
Inventors
- 👤 Leonardus Johannes Geerling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:41
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3381; A; A61; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/36; A61N1/36014; A61N1/3603; A61N1/36034; H02M5/00; H02M5/40; H02M5/42; H02M5/44; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/66; H03K17/661; H03K17/665; H03K17/666; H03K17/667; H03K3/00; H03K3/02; H03K3/027
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
88 words
A pulse generator circuit for generating timed pulses of regulated amplitude and constant width comprising: oscillator means for providing timing pulses; trigger circuit means for receiving said timing pulses and for generating trigger signals of predetermined pulse width; driver circuit means for receiving said trigger signals and for generating driving signals; voltage conversion means for providing adjustable regulated voltages; and switching means for receiving said driving signals and said adjustable regulated voltages and producing output timed pulses of amplitude equal to said regulated voltages and of constant width.
Claim 2
Dependent Claim
88 words
A pulse generator circuit for generating timed pulses of regulated amplitude and constant width comprising: oscillator means for providing timing pulses; trigger circuit means for receiving said timing pulses and for generating trigger signals of predetermined pulse width; driver circuit means for receiving said trigger signals and for generating driving signals; voltage conversion means for providing adjustable regulated voltages; and switching means for receiving said driving signals and said adjustable regulated voltages and producing output timed pulses of amplitude equal to said regulated voltages and of constant width.
Claim 3
Dependent Claim
20 words
A pulse generator circuit according to claim 1 wherein said trigger circuit means includes delay means and feed back means.
Claim 4
Dependent Claim
28 words
A pulse generator circuit according to claim 1 wherein said voltage conversion means comprises adjustable regulated high voltage supply means and a fixed unregulated low voltage supply means.
Claim 5
Dependent Claim
16 words
A pulse generator circuit according to claim 1 said voltage conversion means includes over voltage-limiting means.
Claim 6
Dependent Claim
17 words
A pulse generator circuit according to claim 4 wherein said over voltage-limiting means defines a feedback circuit.
Claim 7
Dependent Claim
17 words
A pulse generator circuit according to claim 4 wherein said over voltage-limiting means defines shunt regulating means.
Claim 8
Dependent Claim
39 words
A pulse generator circuit according to claim 1 further including power supply means defining rechargeable battery means for supplying a predetermined voltage and said voltage conversion means includes means for preventing discharge failure modes of said rechargeable battery means.
Claim 9
Dependent Claim
23 words
A pulse generator circuit according to claim 1 wherein said oscillator means and trigger circuit means comprise complementary metal oxide silicon (CMOS) devices.
Claim 10
Dependent Claim
121 words
A nerve stimulating device for stimulating nerves of a body comprising: oscillator means for producing variable rate timing pulses; trigger circuit means for receiving said timing pulses and for generating trigger signals of predetermined pulse width; driver circuit means for receiving said trigger signals and for generating driving signals in response thereto; voltage conversion means for providing adjustable regulated voltages; and switching means for receiving said driving signals and said adjustable regulated voltages and producting output timed pulses of amplitude equal to said regulated voltages and of constant width; and electrode means connected to said switching means and adapted to be secured to a selected area of a body so that said timed pulses stimulate the nerves at said selected area.
Claim 11
Dependent Claim
121 words
A nerve stimulating device for stimulating nerves of a body comprising: oscillator means for producing variable rate timing pulses; trigger circuit means for receiving said timing pulses and for generating trigger signals of predetermined pulse width; driver circuit means for receiving said trigger signals and for generating driving signals in response thereto; voltage conversion means for providing adjustable regulated voltages; and switching means for receiving said driving signals and said adjustable regulated voltages and producting output timed pulses of amplitude equal to said regulated voltages and of constant width; and electrode means connected to said switching means and adapted to be secured to a selected area of a body so that said timed pulses stimulate the nerves at said selected area.
Claim 12
Dependent Claim
22 words
A nerve stimulating device according to claim 9 wherein said adjustable regulated voltages are of substantially equal amplitude and of opposite polarity.
Claim 13
Dependent Claim
27 words
A nerve stimulating device according to claim 9 wherein said voltage conversion means includes over voltage-limiting means for preventing the regulated voltages from exceeding a predetermined level.
Claim 14
Dependent Claim
17 words
A nerve stimulating device according to claim 9 further including power supply means defining rechargeable battery means.
References Cited (Backward Citations)
US2713120A
Cited
GB866375A
Cited
US3503403A
Cited
US3521641A
Cited
US3547127A
Cited
US3791373A
Cited
US3908669A
Cited
US3943938A
Cited
US3902502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |