GB1594902A - Cardiac pacemakers - Google Patents
Cardiac pacemakers Download PDFInfo
- Publication number
- GB1594902A GB1594902A GB1277/78A GB127778A GB1594902A GB 1594902 A GB1594902 A GB 1594902A GB 1277/78 A GB1277/78 A GB 1277/78A GB 127778 A GB127778 A GB 127778A GB 1594902 A GB1594902 A GB 1594902A
- Authority
- GB
- United Kingdom
- Prior art keywords
- activity
- atrial
- ventricular
- stimulating
- predetermined time
- 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
- 230000000747 cardiac effect Effects 0.000 title claims description 6
- 230000001746 atrial effect Effects 0.000 claims description 58
- 230000002861 ventricular Effects 0.000 claims description 58
- 230000004936 stimulating effect Effects 0.000 claims description 43
- 230000000694 effects Effects 0.000 claims description 36
- 230000002269 spontaneous effect Effects 0.000 claims description 29
- 230000000638 stimulation Effects 0.000 claims description 28
- 239000003990 capacitor Substances 0.000 claims description 21
- 230000001960 triggered effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 210000002837 heart atrium Anatomy 0.000 description 72
- 230000028161 membrane depolarization Effects 0.000 description 10
- 230000036471 bradycardia Effects 0.000 description 7
- 208000006218 bradycardia Diseases 0.000 description 7
- 230000036279 refractory period Effects 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000718 qrs complex Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 206010003130 Arrhythmia supraventricular Diseases 0.000 description 1
- 206010003671 Atrioventricular Block Diseases 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000013130 cardiovascular surgery Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002999 depolarising effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000004213 regulation of atrial cardiomyocyte membrane depolarization Effects 0.000 description 1
- 230000034225 regulation of ventricular cardiomyocyte membrane depolarization Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000009163 spontaneous depolarization Effects 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772701104 DE2701104A1 (de) | 1977-01-12 | 1977-01-12 | Herzschrittmacher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1594902A true GB1594902A (en) | 1981-08-05 |
Family
ID=5998555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1277/78A Expired GB1594902A (en) | 1977-01-12 | 1978-01-12 | Cardiac pacemakers |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5389292A (enrdf_load_stackoverflow) |
| AU (1) | AU512855B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1098587A (enrdf_load_stackoverflow) |
| DE (1) | DE2701104A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2377190A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1594902A (enrdf_load_stackoverflow) |
| NL (1) | NL177080C (enrdf_load_stackoverflow) |
| SE (1) | SE7800351L (enrdf_load_stackoverflow) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1979000070A1 (en) * | 1977-07-27 | 1979-02-22 | S Joseph | Heart stimulating apparatus |
| US4284082A (en) * | 1979-12-12 | 1981-08-18 | Medtronic B.V.Kerkrade | Ventricular synchronized atrial pacemaker and method of operation |
| EP0037737B1 (en) * | 1980-04-07 | 1985-11-13 | Medtronic, Inc. | Demand pacemaker with output pulse artifact rejection |
| US4344437A (en) | 1980-04-30 | 1982-08-17 | Medtronic, Inc. | Pacemaker triggering coupling circuit |
| US4343311A (en) | 1980-04-30 | 1982-08-10 | Medtronic, Inc. | Atrial refractory control for R-wave rejection in pacemakers |
| 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 |
| US4421116A (en) * | 1980-10-14 | 1983-12-20 | Medtronic, Inc. | Heart pacemaker with separate A-V intervals for atrial synchronous and atrial-ventricular sequential pacing modes |
| US4485818A (en) * | 1980-11-14 | 1984-12-04 | Cordis Corporation | Multi-mode microprocessor-based programmable cardiac pacer |
| US4401119A (en) * | 1981-02-17 | 1983-08-30 | Medtronic, Inc. | Prolongation of timing intervals in response to ectopic heart beats in atrial and ventricular pacemakers |
| US4407287A (en) | 1981-02-17 | 1983-10-04 | Medtronic, Inc. | Atrial and ventricular-only pacemaker responsive to premature ventricular contractions |
| DE3115124A1 (de) | 1981-04-10 | 1982-11-04 | Biotronik Meß- und Therapiegeräte GmbH & Co Ingenieurbüro Berlin, 1000 Berlin | "herzschrittmacher" |
| DE3277062D1 (en) * | 1981-05-04 | 1987-10-01 | Biotronik Mess & Therapieg | Pacemaker |
| EP0077801B1 (de) * | 1981-05-04 | 1987-09-23 | BIOTRONIK Mess- und Therapiegeräte GmbH & Co Ingenieurbüro Berlin | Herzschrittmacher |
| DE3280048D1 (de) * | 1981-05-04 | 1990-01-11 | Biotronik Mess & Therapieg | Herzschrittmacher. |
| WO1982003783A1 (en) * | 1981-05-04 | 1982-11-11 | Nettelhorst Herwig | Pacemaker |
| EP0077802A1 (de) * | 1981-05-04 | 1983-05-04 | BIOTRONIK Mess- und Therapiegeräte GmbH & Co Ingenieurbüro Berlin | Herzschrittmacher |
| DE3127597A1 (de) * | 1981-07-13 | 1983-02-17 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und herzschrittmacher zur bifokalen stimulierung des herzens |
| US4378020A (en) * | 1981-08-20 | 1983-03-29 | Telectronics Pty. Ltd. | Dual chamber pacer |
| FR2544988B1 (fr) * | 1983-04-29 | 1986-10-10 | Ela Medical Sa | Stimulateur cardiaque auriculo-ventriculaire |
| US4624260A (en) * | 1985-05-07 | 1986-11-25 | Intermedics, Inc. | Pacemaker with conditional atrial tracking capability |
| DE3535568A1 (de) | 1985-10-04 | 1987-04-09 | Siemens Ag | Vorhofgesteuerter herzschrittmacher |
Family Cites Families (10)
| 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 |
| US3648707A (en) * | 1969-07-16 | 1972-03-14 | Medtronic Inc | Multimode cardiac paces with p-wave and r-wave sensing means |
| US3661158A (en) * | 1969-12-15 | 1972-05-09 | American Optical Corp | Atrio-ventricular demand pacer with atrial stimuli discrimination |
| US3747604A (en) * | 1969-12-15 | 1973-07-24 | American Optical Corp | Atrial and ventricular demand pacer with separate atrial and ventricular beat detectors |
| CA964334A (en) * | 1970-07-10 | 1975-03-11 | General Electric Company | Body organ stimulator |
| US3783878A (en) * | 1971-12-06 | 1974-01-08 | American Optical Corp | Atrial and ventricular pacer having independent rate and av delay controls |
| ZA727526B (en) * | 1971-12-06 | 1973-11-28 | American Optical Corp | Atrial and ventricular demand pacer |
| GB1424355A (en) * | 1972-03-11 | 1976-02-11 | Kent Cambridge Medical Ltd | Cardiac pacers |
| DE2342030A1 (de) * | 1973-08-20 | 1975-03-27 | Siemens Ag | Elektrischer herzschrittmacher |
-
1977
- 1977-01-12 DE DE19772701104 patent/DE2701104A1/de active Granted
-
1978
- 1978-01-11 CA CA294,718A patent/CA1098587A/en not_active Expired
- 1978-01-12 AU AU32370/78A patent/AU512855B2/en not_active Expired
- 1978-01-12 FR FR7800780A patent/FR2377190A1/fr active Granted
- 1978-01-12 GB GB1277/78A patent/GB1594902A/en not_active Expired
- 1978-01-12 SE SE7800351A patent/SE7800351L/xx unknown
- 1978-01-12 JP JP234278A patent/JPS5389292A/ja active Granted
- 1978-06-26 NL NLAANVRAGE7806850,A patent/NL177080C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2377190A1 (fr) | 1978-08-11 |
| AU512855B2 (en) | 1980-10-30 |
| NL7806850A (en) | 1979-12-28 |
| JPS5389292A (en) | 1978-08-05 |
| DE2701104A1 (de) | 1978-07-13 |
| DE2701104C2 (enrdf_load_stackoverflow) | 1989-01-12 |
| FR2377190B1 (enrdf_load_stackoverflow) | 1982-06-18 |
| CA1098587A (en) | 1981-03-31 |
| NL177080C (nl) | 1985-08-01 |
| JPS5650591B2 (enrdf_load_stackoverflow) | 1981-11-30 |
| AU3237078A (en) | 1979-07-19 |
| SE7800351L (sv) | 1978-07-13 |
| NL177080B (nl) | 1985-03-01 |
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| JPH08500758A (ja) | 組み合わされたペースメーカおよびデフィブリレータ | |
| US6928326B1 (en) | Diagnosis of fusion or pseudofusion | |
| US7024241B1 (en) | Pacing pulse waveforms that support simultaneous intracardiac signal sensing and analysis | |
| US6862476B2 (en) | Implantable cardiac stimulation device having automatic sensitivity control and method | |
| US3661158A (en) | Atrio-ventricular demand pacer with atrial stimuli discrimination | |
| US7424323B1 (en) | Implantable cardiac stimulation device providing autocapture with PMT avoidance and method | |
| JPS626824B2 (enrdf_load_stackoverflow) | ||
| US8175708B1 (en) | System and method for adjusting automatic sensitivity control parameters based on intracardiac electrogram signals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19970112 |