WO2000033897A9 - Breastpump with universal hood base and interchangeable suction hoods - Google Patents
Breastpump with universal hood base and interchangeable suction hoodsInfo
- Publication number
- WO2000033897A9 WO2000033897A9 PCT/US1999/028748 US9928748W WO0033897A9 WO 2000033897 A9 WO2000033897 A9 WO 2000033897A9 US 9928748 W US9928748 W US 9928748W WO 0033897 A9 WO0033897 A9 WO 0033897A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- breast
- breast shield
- shield
- tubular
- breastpump
- Prior art date
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
- A61M1/06—Milking pumps
- A61M1/062—Pump accessories
- A61M1/064—Suction cups
-
- 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
- A61M1/069—Means for improving milking yield
- A61M1/0697—Means for improving milking yield having means for massaging the breast
Definitions
- the present invention relates generally to breastpumps, and more particularly to a suction hood base for a breastpump, which can be used with a variety of different sized and shaped suction hoods (shields), such as having different internal diameters for the nipple-receiving portion, different nipple tunnel lengths, and the like, without the need for inserts or adapters, although the latter may also still be used for even greater versatility.
- shields such as having different internal diameters for the nipple-receiving portion, different nipple tunnel lengths, and the like
- Breastpumps are well known, and are generally comprised of a hood (or shield) that fits over the breast, a vacuum pump connected to the shield for generating an intermittent vacuum (or negative pressure) within the shield, and a receptacle for expressed milk.
- the intermittent suction action of the vacuum pump serves to pull on the breast and nipple and thereby extract milk in an action reminiscent of suckling.
- the extracted milk typically flows from the shield into a collection container for storage and later use.
- a breastpump of the foregoing type is shown in Larsson, U.S. Pat. No. 4,857,051, the disclosure of which is incorporated herein by reference.
- the suction hoods used with breastpumps are funnel shaped shields made of substantially rigid plastic. These hoods are quite durable and easily cleaned.
- a shield which includes at least one adjusting piece having a shape similar to that of the general funnel structure of the main funnel of the shield.
- the adjusting piece is insertable into the main shield, and effectively reduces the diameter of the funnel at its base, so that the hood can be conveniently used by women with smaller breasts or nipples.
- breatpump assembly that provides the ability to readily accommodate different size and shaped breasts and nipples. This would be useful both in manufacture as well as for the end user, and clinicians. It would also be desirable to have a breastpump which could accommodate specialty breast shields, such as breast shields having asymmetric form or other features that are adapted for particular problems, or seek to perform special results.
- a principal objective of the present invention is to provide a breastpump, which can be used on a variety of different breasts without making operation of the breastpump more complicated by adding pieces or adapters. This objective is accomplished through the use of a single universal hood base and a set of different shields, all of which can be easily attached to the universal base.
- a significant advantage of the present invention is providing an appropriate fit and attendant comfort level for the mother, with ready adaptability for special situations, such as engorgement.
- the suction hoods of the present invention generally are a funnel-shaped shield with a cylindrical portion extending downstream from the cone of the funnel.
- a universal hood base has a sleeve adapted for mating engagement with the cylindrical shaped portion of the shield.
- the shields of the present invention may vary in diameter length and angle (slope) in both the cone and the cylindrical part to accommodate a variety of different breasts and nipples.
- the diameter of the sleeve of the hood base need not vary.
- the cylindrical portion of the shield is adapted to be inserted into, or alternatively fit over, the sleeve of the hood base to form a continuous press-fit seal, or interference fit. When using the breastpump, this seal allows a negative pressure to be established in the shield, which in turn pulls on the breast and nipple allowing expression of milk from the mother's breast.
- a breastpump manufacturer may provide a pump assembly with a set of different shields.
- the mother can than try each different shield to determine which is most comfortable, and which one works most effectively for her.
- the mother's breasts change size or shape, such as through engorgement, during the period in which she is breast feeding her infant and using the breastpump, the mother can again try the different shields, one of which may be more comfortable and/or work more effectively.
- Another object of the present invention is to provide an improved shield.
- the improved shield has a frame of relatively rigid plastic, which is integrally molded to a soft, flexible cone-shaped member.
- the flexible cone-shaped member of the shield is more comfortable to use for some mothers.
- the breast is primarily in contact with the cone-shaped member which contracts about and gently presses on the breast, allowing the breast to be massaged, and thereby aids in the expression of milk for some mothers.
- the foregoing soft flexible cone-shaped member is further provided with one or more thinned areas. These thinned areas are more flexible, and will be pulled more inwardly under negative pressure from the vacuum source. This yields localized regions of added massage. Such thinned flexible areas can also be provided on the cylindrical portions of the shield for massage of the nipple and surrounding breast.
- Fig. 1 is an elevational view of two embodiments of a breastpump shield and a universal hood base in accordance with the present invention
- Fig. 2 is an enlarged sectional view of a shield in accordance with the present invention taken along line 2-2 of Fig. 1;
- Fig. 3 is another embodiment similar to that of shield 1 of Fig.1, but provided with thinned areas for massage.
- Fig. 4 is an enlarged sectional view taken along line 4-4 of Fig. 3;
- Fig. 5 is yet another embodiment of a shield specially adapted for use with breasts having regions which the shield is not desired to overlie, such as irritated or abscessed regions; and Fig. 6 is a front elevational view of the shield of Fig. 5.
- the breastpump apparatus or assembly has a suction hood or shield 1 and a hood base 7.
- Shield 1 has two parts.
- the first part 3 of shield 1 has a substantially wide cross-section (diameter) and is cone-shaped.
- cone 3 is placed over the breast of the user and serves as a receptacle for the breast. In that case, it need not be cone-shaped.
- the second part 5 of shield 1 constitutes a generally cylindrical extension of a funnel, and has a cross-section (diameter) narrower than the cross-section of cone 3.
- cylindrical part end 8 of the hood is attached to base 7 through an interference fit, which allows communication between the cone 3 and the vacuum source 15 of the breastpump.
- an interference fit is considered simple and desirable. This is particularly true if rotatability of the shield is desired, such as with an asymmetric shield construction.
- hood base 7 is a universal base, which can be used in connection with a set of different shields having cones 3 and/or cylindrical parts 5 with varying diameters, shapes and angles, for instance.
- Base 7 has a hollow sleeve 9 adapted for mating engagement with the end 8 of the funnel.
- Base 7 also has some kind of connecting mechanism for attaching a first collar 11 to a vacuum source 12, and a second collar 13 to a collection container 14.
- collars 11 and 13 are screw-threaded for attachment to the vacuum source (e.g., a manual piston pump 15) and the collection container 14 (e.g., a plastic milk bottle) to create a seal.
- the vacuum source e.g., a manual piston pump 15
- the collection container 14 e.g., a plastic milk bottle
- a larger shield may be needed for women with larger nipples, for example.
- a larger shield will typically have a larger cone and a larger cylindrical part as well.
- the cylindrical part 5 of the larger shield may have a diameter that is greater than the interior diameter of the sleeve 9 of the hood base.
- the cylindrical end 8 of such an embodiment fits over the sleeve 9 of the hood base 7 to form the seal, rather than fitting within the sleeve 9.
- the diameter of cylindrical part 5 of shield 1 can be stepped down (made smaller) by forming a conical segment 6 on the cylindrical end downstream from the cone 3.
- the segment 6 adjoins the narrowed end 8 of cylindrical part 5.
- the end 8 has a diameter slightly less than that of sleeve 9 of the hood base, but widens slightly upstream to make the interference fit.
- Cylindrical part 5 could also simply gradually taper inwardly downstream to a diameter slightly less than the interior diameter of sleeve 9. This decrease in diameter of cylindrical part 5 allows the cylindrical end 8 to be inserted into sleeve 9 to form a substantially airtight continuous press-fit seal or interference fit upstream from end 8 with the interior wall of sleeve 9 (see Fig. 1 phantom line 16).
- this press- fit seal allows a negative pressure (vacuum) to be established in shield 1.
- the negative pressure in the shield then pulls on the breast and nipple, causing milk to be expressed.
- a smaller shield may have a cylindrical part 5 with a diameter that is smaller than that of the interior diameter of sleeve 9.
- the cylindrical part 5 of the smaller shield would have an increasing wall thickness upstream to an outside diameter that would engage with the interior of sleeve 9.
- another shield 2 has a cylindrical part 5' (primed numbers indicate similar structure to their nonprimed counterparts) with an interior diameter that is larger than the interior diameter of sleeve 9.
- Cylindrical part 5' of shield 2 therefore is designed to fit tightly over the exterior of sleeve 9, and forms a press-fit seal or interference with the exterior wall of sleeve 9.
- a taper is provided to the interior of the cylindrical part 5' which gradually reduces its interior diameter to engage with the outside of the sleeve 9, as at end 8.
- the sleeve 9 could be inwardly tapered, and the cylindrical parts 5, 5' untapered.
- the cylindrical end 8 of the shield may be attached to the sleeve of the hood base through a threaded engagement.
- the cylindrical end of the shield and the sleeve of the base may be attached through the use of a snap-fit.
- a snap-fit can be made by forming a bead around the top edge of the sleeve of the hood base, which would be received in an annular recess formed in the cylindrical end.
- An intermediate coupling element could also be used.
- Shield 2 comprises a relatively rigid frame having a tubular-shaped extension 17 and a ring 19.
- the extension 17 and ring 19 are connected by rigid arms or struts 23, which serve to keep the ring 19 spaced from the extension 17.
- the remainder of the funnel of shield 2 is a soft, elastic material.
- the soft funnel shaped membrane 21 can be formed from a thermoplastic elastomer, rubber, latex or silicone. As shown in the cross-section taken along line 2-2 in Fig. 2, the membrane 21 is integrally molded to the interior wall of the ring 19. In this preferred embodiment, funnel shaped membrane 21 is likewise integrally molded to the interior of extension 17, and extends above the outermost edge 25 of ring 19.
- Support members 23 also form loops on the sides of shield 2.
- a strap may be placed through the support members and the underlying membrane 21 so that the mother can strap the assembly onto her breast during pumping leaving her hands free to attend to her infant.
- Various methods for supporting a breastpump shield assembly on a woman's breast are disclosed in U.S. Patent No. 5,514,166 assigned to Medela,
- the shield 2 is lightly pressed over the breast while operating the pump.
- a negative pressure is intermittently generated in the shield 2.
- the flexible cone part of the shield membrane 21
- the flexible funnel releases. This action of the flexible funnel causes the breast to be massaged during pumping, thereby aiding in the expression of the mother's milk.
- FIGs. 3 and 4. This latter embodiment has thin-walled areas formed in the funnel-shaped membrane 21 as well as in the cylindrical extension 17.
- Shield 2 ' thus has a thinned area 21a shown in the membrane 21; in actuality, there could be multiple such thinned areas 21 spaced around the cone of this shield 2'.
- another thinned area 17a is provided in the extension 17 (thinned area 17a being integrally molded with the rigid plastic extension 17 in the manner previously described). There could likewise be multiple such thinned areas 17a around the extension.
- shields 1 and 2 Under vacuum, the thinned areas 21a and 17a will be pulled inwardly by the negative pressure within the shield 2'. In the case of the areas 21a, this will be even more pronounced than the surrounding flexible material of the membrane 21. This serves to provide regions of localized breast massage with respect to the areas 21a, and nipple massage insofar as the areas 17a.
- shields 1 and 2 As with the other shields 1 and 2, shield
- 2' can be provided as part of a set of shields, or made available separately as a specialty attachment. It can also be made as a fixed shield (i.e., formed integral with the hood base in manufacture), while still yielding the unique structure for massage, although not the interchangeability desired in another aspect of the invention. There may be other ways, besides a thinned area, provided on the breast shield to yield the same concept of a movable portion to provide localized pressure for massage.
- FIGs. 5 and 6 yet another embodiment of an improved breast shield is illustrated.
- This shield 27 is again made interchangeable in keeping with that aspect of the present invention, although it need not be made so. However, releasable attachment of this shield 27 is considered most desirable because of the cut-out area
- This cut-out 3a is useful for conditions of the breast that make it uncomfortable or otherwise undesirable to have the cone 3 overlying the breast at a particular spot. This could occur with an abscess or the like on the breast.
- the interchangeable nature of the shield 27 would thus enable its ready use with a common hood base 7 when needed, while also allowing rotatability of the shield 27 on the base 7, so that the shield can be properly oriented as required.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU31102/00A AU3110200A (en) | 1998-12-10 | 1999-12-02 | Breastpump with universal hood base and interchangeable suction hoods |
DE69940745T DE69940745D1 (en) | 1998-12-10 | 1999-12-02 | MILK PUMP WITH UNIVERSAL SUCTION BASE BASE AND INTERCHANGEABLE SUCTION CAPS |
AT99965119T ATE428457T1 (en) | 1998-12-10 | 1999-12-02 | MILK PUMP WITH UNIVERSAL SUCTION CAP BASE AND INTERCHANGEABLE SUCTION CAPS |
JP2000586387A JP4394836B2 (en) | 1998-12-10 | 1999-12-02 | Milking pump with universal food base and replaceable suction hood |
CA002354864A CA2354864C (en) | 1998-12-10 | 1999-12-02 | Breastpump with universal hood base and interchangeable suction hood |
EP99965119A EP1146919B1 (en) | 1998-12-10 | 1999-12-02 | Breastpump with universal hood base and interchangeable suction hoods |
CA002291936A CA2291936C (en) | 1998-12-10 | 1999-12-08 | Breastpump with universal hood base and interchangeable suction hoods |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11189598P | 1998-12-10 | 1998-12-10 | |
US60/111,895 | 1998-12-10 | ||
US09/450,404 US6387072B1 (en) | 1998-12-10 | 1999-11-29 | Breastpump with universal hood base and interchangeable suction hoods |
US09/450,404 | 1999-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000033897A1 WO2000033897A1 (en) | 2000-06-15 |
WO2000033897A9 true WO2000033897A9 (en) | 2001-04-19 |
Family
ID=26809352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/028748 WO2000033897A1 (en) | 1998-12-10 | 1999-12-02 | Breastpump with universal hood base and interchangeable suction hoods |
Country Status (9)
Country | Link |
---|---|
US (2) | US6387072B1 (en) |
EP (2) | EP2085102B1 (en) |
JP (2) | JP4394836B2 (en) |
AT (2) | ATE544479T1 (en) |
AU (1) | AU3110200A (en) |
CA (2) | CA2354864C (en) |
DE (1) | DE69940745D1 (en) |
ES (2) | ES2325143T3 (en) |
WO (1) | WO2000033897A1 (en) |
Cited By (2)
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WO2007085032A1 (en) * | 2006-01-24 | 2007-08-02 | Mam Babyartikel Gesellschaft M.B.H. | Attachment for a milk pump |
WO2007085029A1 (en) * | 2006-01-24 | 2007-08-02 | Mam Babyartikel Gesellschaft M.B.H. | Attachment for a milk pump |
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JP2002112654A (en) * | 2000-06-12 | 2002-04-16 | Clute Lorne Jason | Milking machine |
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WO2002102437A2 (en) * | 2001-06-19 | 2002-12-27 | Whisper Wear, Inc. | System for a portable hands-free breast pump and method of using the same |
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US20040087898A1 (en) * | 2002-11-01 | 2004-05-06 | Gotthilf Weniger | Breast pump assembly |
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US20050159701A1 (en) * | 2004-01-15 | 2005-07-21 | Conaway Jonathan W. | Breast pump pressure regulation valve |
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US8152754B2 (en) * | 2004-04-01 | 2012-04-10 | Medela Holding Ag | Soft breastshield |
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US7569031B2 (en) * | 2004-06-22 | 2009-08-04 | The First Years Inc. | Breast pump |
US20070060873A1 (en) * | 2005-09-15 | 2007-03-15 | Katsuyuki Hiraoka | Milking apparatus |
US7806855B2 (en) * | 2006-04-11 | 2010-10-05 | Playtex Products, Inc. | Manual breast pump |
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US8945046B2 (en) | 2008-04-03 | 2015-02-03 | Lyndon Brittner | Hands-free breast pump system |
US7972297B2 (en) * | 2008-11-07 | 2011-07-05 | Simplisse, Inc. | Breast cup assembly for a breast pump |
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US8444596B2 (en) * | 2009-06-22 | 2013-05-21 | Lansinoh Laboratories, Inc. | Breast milk collection apparatus and components thereof |
WO2011031984A2 (en) * | 2009-09-11 | 2011-03-17 | Simplisse, Inc. | Nipple shield |
US20110270164A1 (en) * | 2010-05-03 | 2011-11-03 | Lori Beth Bane | Nursing extension device |
JP2012019952A (en) * | 2010-07-14 | 2012-02-02 | Tokyo Univ Of Science | Milking pad and milking device using the same |
US9011372B2 (en) | 2010-07-22 | 2015-04-21 | Platinum Products Holding, Inc. | Manual breast pump with resilient return |
US10220127B2 (en) | 2013-03-05 | 2019-03-05 | Koninklijke Philips N.V. | Easily assemblable breast interface for a breast pump |
KR101546376B1 (en) * | 2014-01-02 | 2015-08-21 | 주식회사 엠에스제이 | The Milker |
US10828407B2 (en) | 2014-06-23 | 2020-11-10 | Momgenuity, Llc | Breast pump kit |
US9878078B1 (en) | 2015-10-21 | 2018-01-30 | Momgenuity, Llc | Disposable breast pump shield |
US9408957B1 (en) | 2014-06-23 | 2016-08-09 | Sherri Levine | Breast pump shield |
EP3058966A1 (en) | 2015-02-20 | 2016-08-24 | Medela Holding AG | Breast cup |
USD785160S1 (en) * | 2015-02-20 | 2017-04-25 | Medela Holding Ag | Membrane for a breastshield of a breast pump |
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US11273241B2 (en) * | 2018-01-11 | 2022-03-15 | LacTeck LLC | Breast flange for direct coupling to breast pump fitting |
CN116251252A (en) * | 2018-01-22 | 2023-06-13 | 宁波幸福妈妈医疗科技有限公司 | Breast receiving device and use thereof |
KR102038995B1 (en) * | 2019-03-21 | 2019-11-04 | 주식회사 에스씨301테라피 | Body custom type breast cosmetic surgery auxiliary device |
GB202004395D0 (en) | 2020-03-26 | 2020-05-13 | Chiaro Technology Ltd | Lima |
US11523688B2 (en) * | 2020-04-17 | 2022-12-13 | Restful Pump, Inc. | Adjustable breast pump flange |
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1999
- 1999-11-29 US US09/450,404 patent/US6387072B1/en not_active Expired - Lifetime
- 1999-12-02 WO PCT/US1999/028748 patent/WO2000033897A1/en active Application Filing
- 1999-12-02 CA CA002354864A patent/CA2354864C/en not_active Expired - Fee Related
- 1999-12-02 EP EP09005210A patent/EP2085102B1/en not_active Expired - Lifetime
- 1999-12-02 DE DE69940745T patent/DE69940745D1/en not_active Expired - Lifetime
- 1999-12-02 AT AT09005210T patent/ATE544479T1/en active
- 1999-12-02 ES ES99965119T patent/ES2325143T3/en not_active Expired - Lifetime
- 1999-12-02 ES ES09005210T patent/ES2380400T3/en not_active Expired - Lifetime
- 1999-12-02 JP JP2000586387A patent/JP4394836B2/en not_active Expired - Fee Related
- 1999-12-02 EP EP99965119A patent/EP1146919B1/en not_active Expired - Lifetime
- 1999-12-02 AU AU31102/00A patent/AU3110200A/en not_active Abandoned
- 1999-12-02 AT AT99965119T patent/ATE428457T1/en not_active IP Right Cessation
- 1999-12-08 CA CA002291936A patent/CA2291936C/en not_active Expired - Fee Related
-
2002
- 2002-01-22 US US10/054,537 patent/US6723066B2/en not_active Expired - Lifetime
-
2009
- 2009-07-14 JP JP2009165614A patent/JP5156702B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007085032A1 (en) * | 2006-01-24 | 2007-08-02 | Mam Babyartikel Gesellschaft M.B.H. | Attachment for a milk pump |
WO2007085029A1 (en) * | 2006-01-24 | 2007-08-02 | Mam Babyartikel Gesellschaft M.B.H. | Attachment for a milk pump |
Also Published As
Publication number | Publication date |
---|---|
AU3110200A (en) | 2000-06-26 |
EP1146919A1 (en) | 2001-10-24 |
CA2354864C (en) | 2008-10-21 |
EP1146919B1 (en) | 2009-04-15 |
JP4394836B2 (en) | 2010-01-06 |
WO2000033897A1 (en) | 2000-06-15 |
DE69940745D1 (en) | 2009-05-28 |
JP2009233363A (en) | 2009-10-15 |
JP2003521958A (en) | 2003-07-22 |
CA2291936C (en) | 2008-10-21 |
JP5156702B2 (en) | 2013-03-06 |
CA2291936A1 (en) | 2000-06-10 |
US20020062103A1 (en) | 2002-05-23 |
EP2085102B1 (en) | 2012-02-08 |
EP2085102A1 (en) | 2009-08-05 |
ATE544479T1 (en) | 2012-02-15 |
ATE428457T1 (en) | 2009-05-15 |
US6723066B2 (en) | 2004-04-20 |
CA2354864A1 (en) | 2000-06-15 |
US6387072B1 (en) | 2002-05-14 |
EP1146919A4 (en) | 2008-03-26 |
ES2380400T3 (en) | 2012-05-11 |
ES2325143T3 (en) | 2009-08-26 |
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