FI110754B - Extern motpulsanordning samt ett förfarande för styrning av denna - Google Patents
Extern motpulsanordning samt ett förfarande för styrning av denna Download PDFInfo
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- FI110754B FI110754B FI932059A FI932059A FI110754B FI 110754 B FI110754 B FI 110754B FI 932059 A FI932059 A FI 932059A FI 932059 A FI932059 A FI 932059A FI 110754 B FI110754 B FI 110754B
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- balloon
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- heart rate
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Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- Veterinary Medicine (AREA)
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- External Artificial Organs (AREA)
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Claims (12)
1. Extern motpulsanordning som omfattar ett antal uppbläsbara bal-longorgan (25) som fästs vid en patients extremiteter; en behällare (22) för ett 5 komprimerat medium; ventilorgan (24) kopplade mellan ballongorganen (25) och behällaren (22) för utsläppning av luft fran nämnda behällare (22) in i nämnda ballongorgan (25); och en kompressor (20) för fyllning av nämnda behällare (22) med komprimerat medium, varvid den externa motpulsanordning-enärkännetecknad av organ med hjälp av vilka en elektrisk vägform alst-10 ras, vilken vägform motsvarar en patients diastoliska och systoliska blodtryck, och styrorgan (10) för styrning av nämnda kompressor (20) och nämnda ventilorgan (24) för regiering av tömningen av ballongorganen (25) för maximering av den diastoliska vägformens yta och amplitud och minimering av den systoliska vägformens yta under motpuls.
2. Anordning enligt patentkrav 1, kännetecknad av att den om fattar kylningsorgan (21) för kylning av det komprimerade mediet frän kom-pressorn.
3. Anordning enligt patentkrav 1 eller 2,kännetecknad avatt den omfattar en negativ tryckbehällare (26) som via nämnda ventilorgan (24) 20 är kopplad till nämnda ballongorgan för tömning av nämnda ballongorgan (25); och : · tryckbegränsande ventiler som är kopplade tili nämnda behällare : , (22) för komprimerat medium och tili nämnda negativa tryckbehällare (26).
:' ' 4. Anordning enligt patentkrav 1,kännetecknad av att den om- , · 25 fattar en mellan nämna ballongorgan (25) och nämnda behällare (20, 6) kopp lad kolv- och cylinderanordning, varvid nämnda kolv rör sig i nämnda cylinder genom att i en följd fylla och tömma nämnda ballongorgan.
5. Anordning enligt nägot av patentkraven 1 -4, kännetecknad av att den omfattar ett ballongorgan, som omfattar en manschettdel (44) av S i '; ’ 30 styvt eller halvstyvt material med liten töjbarhet och elasticitet eller ingen töj- ',. barhet och elasticitet alls, och en ballong (25) som under användning är place- t » rad mellan manschettdelen (44) och patientens kropp.
.... 6. Anordning enligt patentkrav 5, kännetecknad av att man- , · · schettdelen (44) är framställd av ett material som är formbart vid förhöjd tem- : ( 35 peratur men som styvnar vid rumstemperatur.
7. Anordning enligt patentkrav 5 eller 6, kännetecknad av att 25 110754 den omfattar en tätning som anordnas mellan en ballong (25) och motsvaran-de manschettdel (44) för anpassning av ballongen (25) närä patientens kropp.
8. Anordning enligt nägot av patentkraven 1 -7, kännetecknad av att kompressorn (20) är en kompressor av spiraltyp.
9. Anordning enligt nagot av patentkraven 1 -8, kännetecknad av att den omfattar organ för indikering av blodets syremättnad hos patienten under motpuls och för avslutande av motpuls da blodets syremättnad sjunker under ett förutbestämt värde.
10. Anordning enligt nagot av patentkraven 1 -9, kännetecknad 10 av att den omfattar medel för indikering av patientens blodtryck under motpuls och för avslutande av motpuls dä blodtrycket överskrider ett förutbestämt värde.
11. Förfarande för styrning av en extern motpulsanordning enligt nagot av patentkraven 1 - 10, kännetecknat av att det omfattar följande 15 steg, ivilka a. en hjärtimpedans-blodströmningskurva erhalls genom att använ-da ett antal punktelektroder och adaptiv filtreringsteknologi; b. aortans slutningspunkt och begynnelsepunkten för motpulsens pulsvag erhalls genom att använda en mikrodatamaskin för indikering av en 20 adaptivt filtrerad hjärtimpedans-blodströmningskurva genom att använda tids-skillnaden mellan dessa tvä punkter som grund för styrning av motpulsanord-ningens fyllningstid, fastställs huruvida motpulsen päverkar indikeringen av aortaklaffens slutningspunkt eller QT-tiden beräknad enligt Bazettis formel tas » *; ' som aortaklaffens slutningspunkt och tidsskillnaden mellan denna tidpunkt och : . 25 begynnelsetidpunkien för motpulsens pulsvag används som grund för styrning av fyllningstiden; c. ett objektivt index, vilket äterspeglar motpulsens läkande verkan, erhalls genom indikering av toppvärdet för vagformen och varaktigheten av hjärtats systoliska vag och motpulsvagen i hjärtimpedans-blodströmnings- ; ' _ 30 kurvan; och d. motpulsanordningens tömningstid styrs med en dator.
· 12. Förfarande enligt patentkrav 11, kännetecknat av att en av punktelektroderna är placerad vid roten av vänster eller höger öra eller pä framsidan, en är placerad pä bröstbenets utskott, en är placerad pä sidan av 35 bröstbenet nedanför nyckelbenet och en är placerad pä sidan av bröstbenet mellan det fjärde och femte revbenet; det adaptiva filtret tar den av punktelek- troderna indikerade blodströmningsimpedanssignalen som en begynnelsein- 110754 26 gangssignal och erhäller en impedans-referensingangssignal mellan en tilläggselektrod, som är placerad pä sidan av bröstbenet och magkanten, och elektrodein mellan det fjärde och femte revbenet. > · » » t i I t t I * » t i · i ·
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN92103545A CN1078136A (zh) | 1992-05-07 | 1992-05-07 | 一种体外反搏装置的控制方法 |
CN92103545 | 1992-05-07 | ||
CN92209589.2U CN2146246Y (zh) | 1992-05-08 | 1992-05-08 | 一种体外反搏囊套 |
CN92209589 | 1992-05-08 | ||
CN92209813 | 1992-05-08 | ||
CN 92209813 CN2138495Y (zh) | 1992-05-08 | 1992-05-08 | 一种体外反搏气源装置 |
Publications (3)
Publication Number | Publication Date |
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FI932059A0 FI932059A0 (fi) | 1993-05-06 |
FI932059A FI932059A (fi) | 1993-11-08 |
FI110754B true FI110754B (sv) | 2003-03-31 |
Family
ID=27179018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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FI932059A FI110754B (sv) | 1992-05-07 | 1993-05-06 | Extern motpulsanordning samt ett förfarande för styrning av denna |
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US (3) | US5554103A (sv) |
EP (1) | EP0569308B1 (sv) |
JP (1) | JPH06292721A (sv) |
KR (2) | KR100274697B1 (sv) |
CN (1) | CN1078136A (sv) |
AU (2) | AU3839493A (sv) |
CA (1) | CA2095690C (sv) |
DE (1) | DE69333949D1 (sv) |
FI (1) | FI110754B (sv) |
IL (1) | IL105633A (sv) |
NO (1) | NO931649L (sv) |
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- 1993-05-06 EP EP93420182A patent/EP0569308B1/en not_active Expired - Lifetime
- 1993-05-06 DE DE69333949T patent/DE69333949D1/de not_active Expired - Lifetime
- 1993-05-06 AU AU38394/93A patent/AU3839493A/en not_active Abandoned
- 1993-05-06 FI FI932059A patent/FI110754B/sv not_active IP Right Cessation
- 1993-05-06 CA CA002095690A patent/CA2095690C/en not_active Expired - Fee Related
- 1993-05-07 JP JP5131447A patent/JPH06292721A/ja active Pending
- 1993-05-07 KR KR1019930007860A patent/KR100274697B1/ko not_active IP Right Cessation
- 1993-05-07 IL IL105633A patent/IL105633A/xx not_active IP Right Cessation
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1995
- 1995-02-27 US US08/396,261 patent/US5554103A/en not_active Expired - Lifetime
-
1997
- 1997-01-02 AU AU10068/97A patent/AU682647B2/en not_active Ceased
- 1997-10-22 US US08/955,421 patent/US5997540A/en not_active Expired - Lifetime
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1998
- 1998-05-07 KR KR1019980016219A patent/KR100274696B1/ko not_active IP Right Cessation
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1999
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Also Published As
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NO931649D0 (no) | 1993-05-06 |
JPH06292721A (ja) | 1994-10-21 |
KR940005293A (ko) | 1994-03-21 |
EP0569308A1 (en) | 1993-11-10 |
AU1006897A (en) | 1997-06-12 |
CA2095690A1 (en) | 1993-11-08 |
DE69333949D1 (de) | 2006-02-02 |
AU3839493A (en) | 1993-11-11 |
US6572621B1 (en) | 2003-06-03 |
US5554103A (en) | 1996-09-10 |
US5997540A (en) | 1999-12-07 |
NO931649L (no) | 1993-11-08 |
CA2095690C (en) | 1999-01-12 |
KR100274696B1 (ko) | 2000-12-15 |
EP0569308B1 (en) | 2005-12-28 |
CN1078136A (zh) | 1993-11-10 |
AU682647B2 (en) | 1997-10-09 |
IL105633A (en) | 1997-04-15 |
KR100274697B1 (en) | 2000-12-15 |
FI932059A0 (fi) | 1993-05-06 |
FI932059A (fi) | 1993-11-08 |
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Owner name: VASOMEDICAL, INC. |
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GB | Transfer or assigment of application |
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MA | Patent expired |