DE3175864D1 - Pacemaker utilizing microprocessor dma for generating output pulse sequences - Google Patents
Pacemaker utilizing microprocessor dma for generating output pulse sequencesInfo
- Publication number
- DE3175864D1 DE3175864D1 DE8181108939T DE3175864T DE3175864D1 DE 3175864 D1 DE3175864 D1 DE 3175864D1 DE 8181108939 T DE8181108939 T DE 8181108939T DE 3175864 T DE3175864 T DE 3175864T DE 3175864 D1 DE3175864 D1 DE 3175864D1
- Authority
- DE
- Germany
- Prior art keywords
- microprocessor
- data words
- dma
- dma mode
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/37211—Means for communicating with stimulators
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP81108939A EP0077844B1 (de) | 1981-10-26 | 1981-10-26 | Zur Erzeugung von Ausgangspulsfolgen den direkten Speicherzugriff eines Mikroprozessors verwendender Herzschrittmacher |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3175864D1 true DE3175864D1 (en) | 1987-02-26 |
Family
ID=8187973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181108939T Expired DE3175864D1 (en) | 1981-10-26 | 1981-10-26 | Pacemaker utilizing microprocessor dma for generating output pulse sequences |
Country Status (4)
Country | Link |
---|---|
US (1) | US4627022A (de) |
EP (1) | EP0077844B1 (de) |
AT (1) | ATE25160T1 (de) |
DE (1) | DE3175864D1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4527568A (en) * | 1983-12-27 | 1985-07-09 | Vitafin N.V. | Dual chamber pacer with alternative rate adaptive means and method |
JPS62501192A (ja) * | 1984-10-23 | 1987-05-14 | ジオン フアウンデ−シヨン | 電気治療信号供給方法及び装置 |
GB2214813A (en) * | 1988-01-14 | 1989-09-13 | Stuart Charles Webb | Rate-responsive pacemaker |
EP0331309B1 (de) * | 1988-02-17 | 1996-11-13 | Stuart Charles Webb | Frequenz-empfindlicher Herzschrittmacher |
US5754462A (en) * | 1988-12-09 | 1998-05-19 | Dallas Semiconductor Corporation | Microprocessor auxiliary with ability to be queried re power history |
US5175845A (en) * | 1988-12-09 | 1992-12-29 | Dallas Semiconductor Corp. | Integrated circuit with watchdog timer and sleep control logic which places IC and watchdog timer into sleep mode |
WO1990006553A1 (en) * | 1988-12-09 | 1990-06-14 | Dallas Semiconductor Corporation | Low-power system with microprocessor and ancillary chip |
US5182810A (en) * | 1989-05-31 | 1993-01-26 | Dallas Semiconductor Corp. | Isolation gates to permit selective power-downs within a closely-coupled multi-chip system |
US5590343A (en) * | 1988-12-09 | 1996-12-31 | Dallas Semiconductor Corporation | Touch-sensitive switching circuitry for power-up |
US5203000A (en) * | 1988-12-09 | 1993-04-13 | Dallas Semiconductor Corp. | Power-up reset conditioned on direction of voltage change |
US5303390A (en) * | 1990-06-28 | 1994-04-12 | Dallas Semiconductor Corporation | Microprocessor auxiliary with combined pin for reset output and pushbutton input |
US5471625A (en) * | 1993-09-27 | 1995-11-28 | Motorola, Inc. | Method and apparatus for entering a low-power mode and controlling an external bus of a data processing system during low-power mode |
US8532784B2 (en) * | 2010-12-16 | 2013-09-10 | Spinal Modulation, Inc. | Direct memory access (DMA) controlled stimulation |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3740728A (en) * | 1972-01-19 | 1973-06-19 | Hughes Aircraft Co | Input/output controller |
US4137565A (en) * | 1977-01-10 | 1979-01-30 | Xerox Corporation | Direct memory access module for a controller |
DE2746743C2 (de) * | 1977-10-18 | 1986-04-17 | Ibm Deutschland Gmbh, 7000 Stuttgart | Verfahren und Anordnung zur computergesteuerten Erzeugung von Impulsintervallen |
FR2424737A1 (fr) * | 1978-05-05 | 1979-11-30 | Cardiofrance Co | Procede de reglage d'un stimulateur cardiaque implantable, programmateur de reglage et stimulateur pour la mise en oeuvre du procede |
IT1118131B (it) * | 1978-07-20 | 1986-02-24 | Medtronic Inc | Perfezionamento nei pacemaker cardiaci multi-modo adattabili impiantabili |
AU6606881A (en) * | 1980-01-16 | 1981-07-23 | Medtronic, Inc. | Pacemaker |
US4485818A (en) * | 1980-11-14 | 1984-12-04 | Cordis Corporation | Multi-mode microprocessor-based programmable cardiac pacer |
US4390022A (en) * | 1981-05-18 | 1983-06-28 | Intermedics, Inc. | Implantable device with microprocessor control |
-
1981
- 1981-10-26 EP EP81108939A patent/EP0077844B1/de not_active Expired
- 1981-10-26 AT AT81108939T patent/ATE25160T1/de not_active IP Right Cessation
- 1981-10-26 DE DE8181108939T patent/DE3175864D1/de not_active Expired
-
1982
- 1982-09-13 US US06/417,167 patent/US4627022A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0077844A1 (de) | 1983-05-04 |
ATE25160T1 (de) | 1987-02-15 |
EP0077844B1 (de) | 1987-01-21 |
US4627022A (en) | 1986-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: VITATRON MEDICAL B.V., DIEREN, NL |
|
8339 | Ceased/non-payment of the annual fee |