SE449444B - Frekvensbegrensad hjertstimulator - Google Patents

Frekvensbegrensad hjertstimulator

Info

Publication number: SE449444B
Authority: SE; Sweden
Prior art keywords: frequency; signal; interval; response; generating
Prior art date: 1980-12-24

Application number

SE8107750A

Other languages

English (en)

Swedish (sv)

Other versions

SE8107750L (sv

Inventor

J T Hartlaub

L C Hudziak

R S Mcdonald

Original Assignee

Medtronic Inc

Priority date (The priority date 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 date listed.)

1980-12-24

Filing date

1981-12-23

Publication date

1987-05-04

1981-12-23 Application filed by Medtronic Inc filed Critical Medtronic Inc

1982-06-25 Publication of SE8107750L publication Critical patent/SE8107750L/xx

1987-05-04 Publication of SE449444B publication Critical patent/SE449444B/sv

Links

230000004044 response Effects 0.000 claims description 13
230000007704 transition Effects 0.000 claims description 10
230000000747 cardiac effect Effects 0.000 claims description 6
238000012544 monitoring process Methods 0.000 claims description 4
230000000638 stimulation Effects 0.000 description 10
239000004020 conductor Substances 0.000 description 6
238000010586 diagram Methods 0.000 description 5
230000006870 function Effects 0.000 description 4
230000005764 inhibitory process Effects 0.000 description 4
238000000034 method Methods 0.000 description 3
230000002861 ventricular Effects 0.000 description 3
230000000694 effects Effects 0.000 description 2
238000007493 shaping process Methods 0.000 description 2
208000001871 Tachycardia Diseases 0.000 description 1
230000036471 bradycardia Effects 0.000 description 1
208000006218 bradycardia Diseases 0.000 description 1
239000013078 crystal Substances 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000001934 delay Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000007257 malfunction Effects 0.000 description 1
230000028161 membrane depolarization 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
230000008672 reprogramming Effects 0.000 description 1
239000004065 semiconductor Substances 0.000 description 1
230000006794 tachycardia Effects 0.000 description 1
230000001960 triggered effect Effects 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
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/37211—Means for communicating with stimulators
- 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

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Cardiology (AREA)
Heart & Thoracic Surgery (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)
Physiology (AREA)
Biophysics (AREA)
Electrotherapy Devices (AREA)

SE8107750A 1980-12-24 1981-12-23 Frekvensbegrensad hjertstimulator SE449444B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/220,204 US4337777A (en)	1980-12-24	1980-12-24	Rate limited pacer

Publications (2)

Publication Number	Publication Date
SE8107750L SE8107750L (sv)	1982-06-25
SE449444B true SE449444B (sv)	1987-05-04

Family

ID=22822517

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8107750A SE449444B (sv)	1980-12-24	1981-12-23	Frekvensbegrensad hjertstimulator

Country Status (8)

Country	Link
US (1)	US4337777A (de)
JP (1)	JPS57131457A (de)
CA (1)	CA1169493A (de)
DE (1)	DE3150524A1 (de)
FR (1)	FR2496467B1 (de)
GB (1)	GB2089661B (de)
NL (1)	NL8105772A (de)
SE (1)	SE449444B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4554921A (en) *	1983-02-11	1985-11-26	Vitafin N.V.	Dual chamber pacemaker with automatic high rate limit mode determination
US4816094A (en) *	1984-05-01	1989-03-28	Kimberly-Clark Corporation	Method of producing a heat shrinkable elastomer and articles utilizing the elastomer
US5653735A (en) *	1995-06-28	1997-08-05	Pacesetter, Inc.	Implantable cardiac stimulation device having an improved backup mode of operation and method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3391697A (en) *	1965-09-20	1968-07-09	Medtronic Inc	Runaway inhibited pacemaker
GB1424355A (en) *	1972-03-11	1976-02-11	Kent Cambridge Medical Ltd	Cardiac pacers
US3920024A (en) *	1973-04-16	1975-11-18	Vitatron Medical Bv	Threshold tracking system and method for stimulating a physiological system
US3921642A (en) *	1974-07-01	1975-11-25	Thomas A Preston	Automatic rate adjustment pacer with natural rate searching means and method of operation
US4038991A (en) *	1976-03-15	1977-08-02	Arco Medical Products Company	Cardiac pacer with rate limiting means
DE2828127A1 (de) *	1978-02-24	1979-08-30	Cardiac Pacemakers	Herzschrittmacher
US4267843A (en) *	1978-11-06	1981-05-19	Medtronic, Inc.	Means to inhibit a digital cardiac pacemaker

1980
- 1980-12-24 US US06/220,204 patent/US4337777A/en not_active Expired - Lifetime
1981
- 1981-11-04 FR FR8120641A patent/FR2496467B1/fr not_active Expired
- 1981-12-14 GB GB8137630A patent/GB2089661B/en not_active Expired
- 1981-12-21 DE DE3150524A patent/DE3150524A1/de not_active Ceased
- 1981-12-22 NL NL8105772A patent/NL8105772A/nl not_active Application Discontinuation
- 1981-12-23 CA CA000393060A patent/CA1169493A/en not_active Expired
- 1981-12-23 SE SE8107750A patent/SE449444B/sv unknown
- 1981-12-23 JP JP56208999A patent/JPS57131457A/ja active Granted

Also Published As

Publication number	Publication date
JPS57131457A (en)	1982-08-14
US4337777A (en)	1982-07-06
SE8107750L (sv)	1982-06-25
FR2496467A1 (fr)	1982-06-25
DE3150524A1 (de)	1982-07-08
CA1169493A (en)	1984-06-19
NL8105772A (nl)	1982-07-16
GB2089661A (en)	1982-06-30
JPH0218859B2 (de)	1990-04-26
GB2089661B (en)	1984-09-12
FR2496467B1 (fr)	1988-04-15

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Legal Events

Date

Code

Title

Description

1995-01-31

NAL

Patent in force

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