CA1157417A - Suction hood for a device for sucking of breast milk - Google Patents

Suction hood for a device for sucking of breast milk

Info

Publication number
CA1157417A
CA1157417A CA000385262A CA385262A CA1157417A CA 1157417 A CA1157417 A CA 1157417A CA 000385262 A CA000385262 A CA 000385262A CA 385262 A CA385262 A CA 385262A CA 1157417 A CA1157417 A CA 1157417A
Authority
CA
Canada
Prior art keywords
hood
suction hood
suction
valve
collecting chamber
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
Application number
CA000385262A
Other languages
French (fr)
Inventor
Karl O. A. H. Larsson
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
Application granted granted Critical
Publication of CA1157417A publication Critical patent/CA1157417A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/06Milking pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/06Milking pumps
    • A61M1/062Pump accessories
    • A61M1/064Suction cups
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/78Means for preventing overflow or contamination of the pumping systems
    • A61M1/782Means for preventing overflow or contamination of the pumping systems using valves with freely moving parts, e.g. float valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/80Suction pumps
    • A61M1/81Piston pumps, e.g. syringes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/74Suction control
    • A61M1/75Intermittent or pulsating suction

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pediatric Medicine (AREA)
  • External Artificial Organs (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

G-919 INVENTOR: KARL OLOF AXEL HELMER LARSSON
INVENTION: SUCTION HOOD FOR A DEVICE FOR SUCKING OFF
BREAST MILK

ABSTRACT OF THE DISCLOSURE

A suction hood which essentially comprises a hood body or member provided with connections for a suction line and for a receiving container or receptacle. Additionally, there is arranged at the suction hood a collecting or catch chamber, at the outlet of which there is provided a valve which is maintained in a closed position by means of an operating vacuum. Such construction renders possible a more balanced and reliable operation of the entire suction device.

Description

115~L7 BACKGROUND OF THE INVENTION

The present invention relates to a new and improved construction of a suction hood for a device for sucking off breast milk, comprising a hood body or member, a connecting stud or connection for a vacuum line or conduit and a connection stud or connection for a receiving container or receptaclç~

Suction hoods of this general type are known to the art and constitute an essential component of suction equipment or devices for sucking off breast milk. Of course, such devices contain a suction pump which, as a rule, inter-mittingly generates a vacuum or negative pressure. Apart from the purely hygienic requirements for such equipment there also exist technical probl~ms which are at least partly insufficiently solved with the prior art cons-tructions.

Thus, it repeatedly happens that the ~ilk reaches the vacuum line or even the pump. This is counteracted by axranging so-called safety volumes between the hood and the pump which, however, is associated with a fairl~ great technical expenditure. Additionally, new problems are created, for example, with refexence to the system or the actual operation, since varying degrees of vacuum or negative pressure can occur.

~157~

SUMMAF~Y OF TI~E INVENTION

Therefore, it is a primary object of the present invention to provide a new and improved construction of a suction hood which is not associated with the aforementioned drawbacks and limitations of the prior art.

Another and more specific object o the present invention is directed to devising a ne~ and improved construction of suction hood for equipment for sucking off breast milk, which suction hood is relatively slmple in construction and design, economical to manufacture, extremely reliable in operation, not readily subject to breakdown or malEunction, requires a minimum of maintenance and servicing, and is effective in positively sucking off breast milk without fauling the equipment.

Now in order to implement these and still further objects of the invention, which will become more readily apparent as the description proceeds, the suction hood of the present development is manifested by the features that following the hood body or member there is arranged a collecting or catch chamber, at the outlet of which there is provided a valve. This valvs closes a throughpassage or passage leading from a collecting or catch chamber to the receiving container when there is applied a vacuum or negative pressure, but opens such throughpassage or passage during the remainder of the operation.

~ 57~17 Owing to the provision of the collecting or catch chamber which is equipped with a valve, milk can be pumped, for instance, to a receiving container which i5 in the form of a plastic bag or sack, since the vacuum or negative pressure no longer affects the receiving container. Moreover, an overflow can be avoided, since the valve opens promptly and the sucked-off milk can flow off into the receiving container.

The novel embodiment of suction hood according to the invention solves leakage or sealing problems and makes it possible to employ smaller pumps, since the volume of the vacuum or negative pressure which is necessary for intermittent operation can be considerabl~ smaller in comparison to known solutions;i~is unnecessary to create a vacuum for either the volume of the receiving container because of the valve or for the safety volume because of the non-existence of any such safety volume~

A particularly important advantage of the present invention resides in the fact that there can be applied a constant negative pressure or vacuum, since no variable volumes are present in the system. Heretofore the volume of the receiving container changed during the filling thereof.

Finally, it should be here mentioned that the new hood is exceedingly simple in its construction and design.

1 ~7~:~7 The collecting or catch chamber is removably attached, preferably together with the valve arranged therein, to the rest of the hood, by means of a suitable sna~ closure or threaded ox rotatable closure element.

Advantageously, the valve is formed by providing a bore in the floor or base of the collecting chamber and thrgugh the provision of a closing body or closure element which is arranged beneath such bore. Such closing body or closure element can be ormed of a light material and construc-ted in the form of a cage.

BRIEF DESCRIPTION OF THE DRAWING

The invention will be better understood and objects other than those set forth above will become apparent when consideration is given to the Following detailed description thereof. Such description makes reference to the annexed single drawiny which depicts a vertical sectional view of an exemplaxy embodiment of a suction hood according to the invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

. . _ . .

Turning now to the single Fiyure of the drawing, the therein illustrated suction hood or suction hood arrangement will be seen to comprise an actual hood body or hood member 1, a connection stud or connection 2 which flow communicates with l 1157~7 the internal space la thereof and leads to a not particularly illus~rated vacuwm suction line or conduit, and a further connection stud or connection 3 for a container or receptacle 4 which is indica~ed by broken or phantom lines. The container or receptacle 4 may be formed of plastic and is constructed as one piece.

Inside the connection 3 there is additionally provided a collecting or catch chamber 5, at the lower end or base region 5' of which there is arranyed a valve 6. This valve 6 is composed of a bore 8 formed in the floor or base 5" of the collecting chamber 5 and a valve body 9. The valve body 9 can be formed, for instance, as a ball consisting of any suitable light materialandcanhearranged in a cage or cage-like housing 10.

The collecting or catch chamber 5 is desirably removably attached to the rest of the hood body 1 by means of a suitable releasable closure or attachment means 7, which may be for instance a standard snap closure or a rotatable or threaded closure or locking means. Thus, the entire device can be cleaned relatively effortlessly.

When the hood body 1 is held against the breast of the user and a vacuum or negative pressure is formed, the valve body 9 is lifted to the position 91, which has been indicated by broken lines, and thus closes -the bore 8 and 1~57417 therewi-th the collecting or catch chamber 5. As soon as the negative pressure or vacuum is di.scontinued, the valve body 9 drops into the lower position g shown in ull lines and the milk which has been collected in collecting chamber 5 can flow off downwardly through the cage-like housing 10 into the receiving container 4.

Of course, the valve body 9 which is here constructed, by way of example and not limitation, as a ball in the embodiment under discussion, ~lso could be replaced by a valve body of a different design, such as, for instance, a semi-spherical cup equipped with a guide which extends through the bore 8. Other valve or flap means which can be activated hy negative pressure or vacuum are also conceivable.

While there are shown and described preferred embodiments of the invention, it is to be distinctly understood that the invention is not limited thereto but may variously be embodied and practiced within the scope o the following claims. ACCORDINGLY,

Claims (7)

WHAT I CLAIM IS.
1. A suction hood arrangement for a device for sucking off breast milk comprising:
a hood body;
connection means capable of connecting said hood body with a vacuum line;
a receiving container;
connection means for connecting said hood body with said receiving container;
means defining a collecting chamber provided for said hood body;
said collecting chamber having an outlet;
a valve provided for said outlet of said collecting chamber;
said valve being capable of closing a passageway from the colleting chamber to the receiving container when a vacuum is applied; and said valve freeing said passageway in the absence of said vacuum.
2. The suction hood as defined in claim 1, further including:
means for releasably connecting said collecting chamber and said valve with said hood body.
3. The suction hood as defined in claim 2, wherein:
said releasably connecting means comprises a snap closure arranged between said hood body and said collecting chamber.
4. The suction hood as defined in claim 2, wherein:
said releasably connecting means comprises rotatable locking means located between said hood body and said collecting chamber.
5. The suction hood as defined in claim 1, wherein:
said valve comprises a bore provided in a floor of said collecting chamber and a closing body arranged beneath said bore.
6. The suction hood as defined in claim 5, wherein:
said closing body is arranged in a cage.
7. The suction hood as defined in claim 6, wherein:
said closing body comprises a ball.
CA000385262A 1980-09-05 1981-09-04 Suction hood for a device for sucking of breast milk Expired CA1157417A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6706/80 1980-09-05
CH6706/80A CH647154A5 (en) 1980-09-05 1980-09-05 SUCTION HOOD FOR A DEVICE FOR SUCTIONING BREAST MILK.

Publications (1)

Publication Number Publication Date
CA1157417A true CA1157417A (en) 1983-11-22

Family

ID=4313774

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000385262A Expired CA1157417A (en) 1980-09-05 1981-09-04 Suction hood for a device for sucking of breast milk

Country Status (21)

Country Link
JP (1) JPS5778868A (en)
AU (1) AU552642B2 (en)
BE (1) BE890178A (en)
BR (1) BR8105693A (en)
CA (1) CA1157417A (en)
CH (1) CH647154A5 (en)
DD (1) DD202109A5 (en)
DE (1) DE3133615A1 (en)
DK (1) DK389081A (en)
ES (1) ES260136Y (en)
FI (1) FI72268C (en)
FR (1) FR2489694B1 (en)
GB (1) GB2082920B (en)
HU (1) HU183566B (en)
IT (1) IT1138503B (en)
MX (1) MX152409A (en)
NL (1) NL8103996A (en)
NO (1) NO151068C (en)
NZ (1) NZ198182A (en)
SE (1) SE8105221L (en)
SU (1) SU1091845A3 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941364B2 (en) * 1982-08-10 1984-10-06 ジェクス株式会社 breast pump
CH662949A5 (en) * 1984-03-14 1987-11-13 Ameda Ag Breast pump for sucking breast milk.
US4892517A (en) * 1988-04-11 1990-01-09 Spalding & Evenflo Companies, Inc. Breast pump
US4964851A (en) * 1989-03-23 1990-10-23 Isg/Ag Battery-powered breastpump
US5415632A (en) * 1994-01-10 1995-05-16 Playskool, Inc. Breast pump
US5542921A (en) * 1994-11-04 1996-08-06 Gerber Products Company Electric breast pump
GB2299027B (en) * 1995-03-24 1999-02-17 Cannon Rubber Ltd Diaphragm breast pump
US5776098A (en) * 1995-08-03 1998-07-07 Medela, Incorporated Diaphragm pump and pump mounted in a carrying case useful in breast pumping
US6257847B1 (en) 1995-08-03 2001-07-10 Medela, Inc. Diaphragm pump and pump for double-breast pumping
US6481986B1 (en) 1995-08-03 2002-11-19 Medela Holding Ag Vacuum adjustment mechanism particularly adapted for a breastpump
US5843029A (en) * 1995-10-16 1998-12-01 Gerber/Baby Care Manual breast pump
DE59610174D1 (en) * 1996-04-14 2003-04-03 Medela Ag Baar Breast milk suction device
US6139521A (en) * 1996-06-03 2000-10-31 Medela Holding Ag Breastpump having particular application as a small motorized pump capable of double-breast pumping
US6673036B1 (en) 1999-10-13 2004-01-06 The First Years Inc. Pumping breast milk
US6749582B2 (en) 2002-04-30 2004-06-15 The First Years Inc. Pumping breast milk
US7396339B2 (en) 2004-04-30 2008-07-08 The First Years Inc. Pumping breast milk
US8187227B2 (en) 2006-11-01 2012-05-29 Medela Holding Ag Self returning contamination barrier
WO2010054174A1 (en) 2008-11-07 2010-05-14 Simplisse, Inc. Breast pump
US8398584B2 (en) 2009-01-16 2013-03-19 Learning Curve Brands, Inc. Breast pump and method of use

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067982B (en) * 1959-10-29
DE529424C (en) * 1926-05-28 1931-07-14 Louis Isaiee Guillaume Sales D Breast pump
DE729251C (en) * 1940-03-17 1942-12-12 Alfred Graentzel Breast pump
JPS484639U (en) * 1971-06-15 1973-01-19
JPS5215896B2 (en) * 1973-03-09 1977-05-04
FR2380784A1 (en) * 1977-02-22 1978-09-15 Adams Frank Suction pump for human milk - has hollow cup and squeeze bulb for peristaltic action, combined with suction bottle
EP0000339A1 (en) * 1977-06-20 1979-01-24 Frank Henry Adams Combination breast pump and gavage feeding apparatus and method
JPS5661931A (en) * 1979-10-25 1981-05-27 Pigeon Kk Milking instrument

Also Published As

Publication number Publication date
NO151068B (en) 1984-10-29
FI72268C (en) 1987-05-11
DK389081A (en) 1982-03-06
ES260136U (en) 1982-03-16
NO151068C (en) 1985-02-06
NO813021L (en) 1982-03-08
NZ198182A (en) 1985-07-31
ES260136Y (en) 1982-10-16
GB2082920A (en) 1982-03-17
AU7470981A (en) 1982-03-11
FI812621L (en) 1982-03-06
FR2489694A1 (en) 1982-03-12
BR8105693A (en) 1982-05-25
IT1138503B (en) 1986-09-17
FI72268B (en) 1987-01-30
GB2082920B (en) 1985-03-20
IT8123639A0 (en) 1981-08-25
FR2489694B1 (en) 1986-02-14
DD202109A5 (en) 1983-08-31
NL8103996A (en) 1982-04-01
BE890178A (en) 1982-01-04
AU552642B2 (en) 1986-06-12
DE3133615A1 (en) 1982-07-01
JPS5778868A (en) 1982-05-17
MX152409A (en) 1985-07-10
HU183566B (en) 1984-05-28
CH647154A5 (en) 1985-01-15
SE8105221L (en) 1982-03-06
SU1091845A3 (en) 1984-05-07

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Legal Events

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MKEX Expiry