IL40663A - Atrial and ventricular demand pacer - Google Patents
Atrial and ventricular demand pacerInfo
- Publication number
- IL40663A IL40663A IL40663A IL4066372A IL40663A IL 40663 A IL40663 A IL 40663A IL 40663 A IL40663 A IL 40663A IL 4066372 A IL4066372 A IL 4066372A IL 40663 A IL40663 A IL 40663A
- Authority
- IL
- Israel
- Prior art keywords
- patient
- heart
- ventricular
- beat
- atrial
- Prior art date
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
- A61N1/362—Heart stimulators
- A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
- A61N1/368—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Physiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Claims (7)
1. A pacer comprising terminal means for connection to a patient's heart for atrial stimulation, terminal means for connection to said patient's heart for ventricular stimulation, means for detecting an atrial beat of said patient's heart, means for detecting a ventricular beat of said patient's heart, means for generating an electrical stimulus on said ventricular terminal means following a first predetermined time interval after the last ventricular beat of said patient's heart, means for generating an electrical stimulus on said atrial terminal means following a second predtermined time interval after the last ventricular beat of said patient's heart, and means for preventing the generation of an electrical stimulus on said atrial terminal means responsive to the detection of an atrial beat of said patient's heart during said second predetermined time interval.
2. A pacer in accordance with claim 1 wherein said first predetermined time interval is longer than said second predetermined time interval.
3. A pacer in accordance with claim 2 wherein said second predetermined time interval is shorter than the normal interval between successive ventricular beats of said patient's heart and is longer than the normal interval between a ventricular beat and the next atrial beat of said patient's heart.
4. A pacer in accordance with claim 3 wherein said first predetermined time interval is longer than the normal interval between successive ventricular beats of said patient's heart.
5. A pacer comprising terminal means for connection to a patient's heart for ventricular stimulation, terminal means for connection to said patient's heart for atrial stimulation, a first timing circuit for generating an electrical impulse on said ventricular terminal means, a second timing circuit for generating an electrical impulse on said atrial terminal means, means for detecting a ventricular beat of said patieht's heart and responsive thereto for resetting both of said first and second timing circuits, and means for detecting an atrial beat of said patient's heart and responsive thereto for resetting said second timing circuit.
6. A pacer in accordance with claim 5 wherein the period of said first timing circuit is longer than the normal interval between two successive ventricular beats of said patient's heart.
7. A pacer 'in accordance with claim 6 wherein the period of said second timing circuit is longer than the normal interval between a ventricular beat and.the next atrial beat of said patient's heart.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20519571A | 1971-12-06 | 1971-12-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL40663A0 IL40663A0 (en) | 1972-12-29 |
IL40663A true IL40663A (en) | 1976-05-31 |
Family
ID=22761202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL40663A IL40663A (en) | 1971-12-06 | 1972-10-25 | Atrial and ventricular demand pacer |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5645628B2 (en) |
DE (1) | DE2255422A1 (en) |
FR (1) | FR2162393B1 (en) |
GB (1) | GB1374720A (en) |
IL (1) | IL40663A (en) |
IT (1) | IT973654B (en) |
NL (1) | NL7214999A (en) |
ZA (1) | ZA727526B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2340191A1 (en) * | 1976-02-04 | 1977-09-02 | Gatrun Anstalt | BANDEROLES MANUFACTURING AND DEPOSIT SYSTEM |
DE2701104A1 (en) * | 1977-01-12 | 1978-07-13 | Medtronic France S A | PACEMAKER |
AU541479B2 (en) * | 1980-10-14 | 1985-01-10 | Medtronic, Inc. | Heart pacemeker with separate a-v intervals for a trial synchronous and atrial-ventricular sequential pacing modes |
DE3127597A1 (en) * | 1981-07-13 | 1983-02-17 | Siemens AG, 1000 Berlin und 8000 München | METHOD AND PACEMAKER FOR BIFOCAL STIMULATION OF THE HEART |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3253596A (en) * | 1963-05-27 | 1966-05-31 | Cordis Corp | Cardiac pacer |
US3595242A (en) * | 1969-03-26 | 1971-07-27 | American Optical Corp | Atrial and ventricular demand pacer |
-
1972
- 1972-10-23 ZA ZA727526A patent/ZA727526B/en unknown
- 1972-10-25 IL IL40663A patent/IL40663A/en unknown
- 1972-11-06 NL NL7214999A patent/NL7214999A/xx not_active Application Discontinuation
- 1972-11-09 DE DE2255422A patent/DE2255422A1/en active Pending
- 1972-11-21 IT IT54174/72A patent/IT973654B/en active
- 1972-11-22 FR FR7242490A patent/FR2162393B1/fr not_active Expired
- 1972-12-05 JP JP12125472A patent/JPS5645628B2/ja not_active Expired
- 1972-12-06 GB GB5640172A patent/GB1374720A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5645628B2 (en) | 1981-10-27 |
FR2162393B1 (en) | 1976-07-02 |
FR2162393A1 (en) | 1973-07-20 |
AU4905172A (en) | 1974-05-23 |
IT973654B (en) | 1974-06-10 |
JPS4864789A (en) | 1973-09-07 |
DE2255422A1 (en) | 1973-06-07 |
GB1374720A (en) | 1974-11-20 |
NL7214999A (en) | 1973-06-08 |
ZA727526B (en) | 1973-11-28 |
IL40663A0 (en) | 1972-12-29 |
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