GB2002156A - Electronic heart implant - Google Patents

Electronic heart implant

Info

Publication number
GB2002156A
GB2002156A GB7833560A GB7833560A GB2002156A GB 2002156 A GB2002156 A GB 2002156A GB 7833560 A GB7833560 A GB 7833560A GB 7833560 A GB7833560 A GB 7833560A GB 2002156 A GB2002156 A GB 2002156A
Authority
GB
United Kingdom
Prior art keywords
heart
data processor
heart implant
implant
time periods
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.)
Granted
Application number
GB7833560A
Other versions
GB2002156B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BACKHOUSE R
Original Assignee
BACKHOUSE R
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.)
Filing date
Publication date
Application filed by BACKHOUSE R filed Critical BACKHOUSE R
Priority to GB8014620A priority Critical patent/GB2062308B/en
Priority to GB7833560A priority patent/GB2002156B/en
Publication of GB2002156A publication Critical patent/GB2002156A/en
Application granted granted Critical
Publication of GB2002156B publication Critical patent/GB2002156B/en
Expired legal-status Critical Current

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

Abstract

An electronic heart implant utilizes a digital data processor to perform functions such as determining the heart beat rate and determining instants at which stimulating current pulses are to be injected. Time periods are determined by performance of programs in which machine cycles are counted. Time periods are therefore determined as a number of machine cycles each of known duration. The invention enables a low current consumption heart implant to be provided which, by suitable programming of the data processor, can cater for a wide variety of heart conditions. The specification is also concerned with a novel form of data processor particularly adapted to the required functions in a heart implant. <IMAGE>
GB7833560A 1977-06-04 1978-08-16 Electronic heart implant Expired GB2002156B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8014620A GB2062308B (en) 1977-06-04 1978-08-16 Stored program digital data processor
GB7833560A GB2002156B (en) 1977-06-04 1978-08-16 Electronic heart implant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2388177 1977-06-04
GB7833560A GB2002156B (en) 1977-06-04 1978-08-16 Electronic heart implant

Publications (2)

Publication Number Publication Date
GB2002156A true GB2002156A (en) 1979-02-14
GB2002156B GB2002156B (en) 1982-03-24

Family

ID=26256774

Family Applications (2)

Application Number Title Priority Date Filing Date
GB7833560A Expired GB2002156B (en) 1977-06-04 1978-08-16 Electronic heart implant
GB8014620A Expired GB2062308B (en) 1977-06-04 1978-08-16 Stored program digital data processor

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8014620A Expired GB2062308B (en) 1977-06-04 1978-08-16 Stored program digital data processor

Country Status (1)

Country Link
GB (2) GB2002156B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492262A1 (en) * 1980-10-16 1982-04-23 Ela Medical Sa METHOD AND DEVICE FOR CONTROLLING AN APPARATUS OR INSTRUMENT, IN PARTICULAR AN IMPLANTABLE HEART STIMULATOR
FR2502501A1 (en) * 1981-03-25 1982-10-01 Telectronics Pty Ltd Anti-tachycardia stimulator - has controller operable externally to produce pulses separated by time lapse set by potential difference of battery device
DE3218733A1 (en) * 1981-05-18 1982-12-02 Intermedics, Inc., Freeport, Tex. PLANTABLE DEVICE WITH MICROPROCESSOR CONTROL
US4592360A (en) * 1980-10-09 1986-06-03 Cordis Corporation Implantable externally programmable microprocessor-controlled tissue stimulator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4592360A (en) * 1980-10-09 1986-06-03 Cordis Corporation Implantable externally programmable microprocessor-controlled tissue stimulator
FR2492262A1 (en) * 1980-10-16 1982-04-23 Ela Medical Sa METHOD AND DEVICE FOR CONTROLLING AN APPARATUS OR INSTRUMENT, IN PARTICULAR AN IMPLANTABLE HEART STIMULATOR
FR2502501A1 (en) * 1981-03-25 1982-10-01 Telectronics Pty Ltd Anti-tachycardia stimulator - has controller operable externally to produce pulses separated by time lapse set by potential difference of battery device
DE3218733A1 (en) * 1981-05-18 1982-12-02 Intermedics, Inc., Freeport, Tex. PLANTABLE DEVICE WITH MICROPROCESSOR CONTROL

Also Published As

Publication number Publication date
GB2062308B (en) 1982-07-14
GB2062308A (en) 1981-05-20
GB2002156B (en) 1982-03-24

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee