DE3820211C2 - - Google Patents

Info

Publication number
DE3820211C2
DE3820211C2 DE3820211A DE3820211A DE3820211C2 DE 3820211 C2 DE3820211 C2 DE 3820211C2 DE 3820211 A DE3820211 A DE 3820211A DE 3820211 A DE3820211 A DE 3820211A DE 3820211 C2 DE3820211 C2 DE 3820211C2
Authority
DE
Germany
Prior art keywords
suction
phase
pressure
ventilation
negative pressure
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 - Lifetime
Application number
DE3820211A
Other languages
German (de)
English (en)
Other versions
DE3820211A1 (de
Inventor
Walter 2000 Hamburg De Nicolai
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE3820211A priority Critical patent/DE3820211A1/de
Publication of DE3820211A1 publication Critical patent/DE3820211A1/de
Priority to CH2225/89A priority patent/CH680267A5/de
Application granted granted Critical
Publication of DE3820211C2 publication Critical patent/DE3820211C2/de
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/74—Suction control
    • A61M1/742—Suction control by changing the size of a vent
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/06—Milking pumps

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Heat Treatment Of Steel (AREA)
DE3820211A 1988-06-14 1988-06-14 Verfahren und vorrichtung zur unterdruckbegrenzung eines mit einer saug- und belueftungsphase arbeitenden absauggeraetes Granted DE3820211A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3820211A DE3820211A1 (de) 1988-06-14 1988-06-14 Verfahren und vorrichtung zur unterdruckbegrenzung eines mit einer saug- und belueftungsphase arbeitenden absauggeraetes
CH2225/89A CH680267A5 (zh) 1988-06-14 1989-06-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3820211A DE3820211A1 (de) 1988-06-14 1988-06-14 Verfahren und vorrichtung zur unterdruckbegrenzung eines mit einer saug- und belueftungsphase arbeitenden absauggeraetes

Publications (2)

Publication Number Publication Date
DE3820211A1 DE3820211A1 (de) 1988-11-10
DE3820211C2 true DE3820211C2 (zh) 1991-08-29

Family

ID=6356515

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3820211A Granted DE3820211A1 (de) 1988-06-14 1988-06-14 Verfahren und vorrichtung zur unterdruckbegrenzung eines mit einer saug- und belueftungsphase arbeitenden absauggeraetes

Country Status (2)

Country Link
CH (1) CH680267A5 (zh)
DE (1) DE3820211A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10228455A1 (de) * 2002-06-26 2004-02-26 Kaweco Gmbh Milchabsaugvorrichtung
DE102006009692B4 (de) * 2006-03-02 2008-01-17 Kaweco Gmbh Fabrik Medizinischer Apparate Milchabsaugvorrichtung
EP2224974B1 (en) 2007-12-21 2015-09-23 Koninklijke Philips N.V. Breast pump for expressing milk from a breast

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3916699A1 (de) * 1989-05-23 1989-12-14 Walter Nicolai Verfahren und vorrichtung zur steuerung der unterdruckcharakteristik eines mit einer saug- und entspannungsphase arbeitenden medizinischen absauggeraetes
CH685676A5 (de) * 1993-02-19 1995-09-15 Neovation Ag Medizintechnische Pumpe.
US5676525A (en) * 1993-02-19 1997-10-14 Neovation Ag Vacuum limiting medical pump
US6383163B1 (en) 1998-05-04 2002-05-07 Patricia Ann Kelly Electric breast pump designed to simulate infant suckling
US8137305B2 (en) 2007-01-22 2012-03-20 Kelly Patricia A Programmable electric breast pump
US8052635B1 (en) 2003-08-20 2011-11-08 Kelly Patricia A Electrical breast pump and flexible breast cup system
US20080009815A1 (en) * 2006-07-10 2008-01-10 Grabenkort Richard W Vacuum Control System For A Breast Pump
US8070715B2 (en) * 2007-04-11 2011-12-06 Medela Holding Ag Method and apparatus for minimum negative pressure control, particularly for breastpump with breastshield pressure control system
JP5830634B2 (ja) 2012-09-07 2015-12-09 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 搾乳器システム
RU2641517C2 (ru) * 2012-09-24 2018-01-17 Конинклейке Филипс Н.В. Система молокоотсоса с приводом
WO2019164963A1 (en) * 2018-02-20 2019-08-29 Emory University Methods, systems and devices for expressing breastmilk

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565076A (en) * 1968-05-22 1971-02-23 Daniel A Kadan Evacuator system and apparatus
DE2949654C2 (de) * 1979-12-11 1982-03-18 Walter 2000 Hamburg Nicolai Selbsttätige Abschaltvorrichtung für ein mit einer Saug- und einer Belüftungsphase arbeitendes Absaugegerät

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10228455A1 (de) * 2002-06-26 2004-02-26 Kaweco Gmbh Milchabsaugvorrichtung
DE10228455B4 (de) * 2002-06-26 2005-06-16 Kaweco Gmbh Milchabsaugvorrichtung
DE102006009692B4 (de) * 2006-03-02 2008-01-17 Kaweco Gmbh Fabrik Medizinischer Apparate Milchabsaugvorrichtung
US8535264B2 (en) 2006-03-02 2013-09-17 Kaweco Gmbh Device for expressing milk
EP2224974B1 (en) 2007-12-21 2015-09-23 Koninklijke Philips N.V. Breast pump for expressing milk from a breast
EP2224974B2 (en) † 2007-12-21 2023-03-22 Koninklijke Philips N.V. Breast pump for expressing milk from a breast

Also Published As

Publication number Publication date
CH680267A5 (zh) 1992-07-31
DE3820211A1 (de) 1988-11-10

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Legal Events

Date Code Title Description
OAV Publication of unexamined application with consent of applicant
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee