IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0057319
(2008-03-27)
|
등록번호 |
US-7758540
(2010-08-09)
|
우선권정보 |
JP-2007-081842(2007-03-27) |
발명자
/ 주소 |
- Yamashita, Daisuke
- Oushi, Yoshiyuki
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
5 |
초록
▼
A breast pump can include a breast pump main body having a milking portion and negative pressure generating structure for generating negative pressure. The milking portion can include a shape maintaining portion and a negative pressure generating portion that serves as a part of the negative pressur
A breast pump can include a breast pump main body having a milking portion and negative pressure generating structure for generating negative pressure. The milking portion can include a shape maintaining portion and a negative pressure generating portion that serves as a part of the negative pressure generating structure and can be attached to and detached from an inner side of the shape maintaining portion. At least one end of the negative pressure generating portion on an enlarged diameter side can include a flexible diaphragm portion and a pressing portion formed when a folded-back portion of the diaphragm portion passes an imaginary line of extension of a contact portion contacting the breast to press the breast, while the other end of the negative pressure generating portion is connected to the opening/closing structure.
대표청구항
▼
What is claimed is: 1. A breast pump comprising: a breast pump main body including a milking portion configured to be brought into contact with a breast of a user to express milk via negative pressure, and means for generating negative pressure disposed in said milking portion for generating said n
What is claimed is: 1. A breast pump comprising: a breast pump main body including a milking portion configured to be brought into contact with a breast of a user to express milk via negative pressure, and means for generating negative pressure disposed in said milking portion for generating said negative pressure; means for storing said expressed milk configured to be attached to and detached from said breast pump main body; and means for opening/closing and temporarily halting and permitting passage of said milk expressed by said breast pump main body into said means for storing, said means for opening/closing disposed between said breast pump main body and said means for storing, wherein said milking portion includes: a shape maintaining portion configured to maintain said milking portion in an enlarged-diameter horn shape; and a negative pressure generating portion that serves as a part of said means for generating negative pressure configured to be attached to and detached from an inner side of said shape maintaining portion, and at least one end of said negative pressure generating portion at an enlarged diameter side includes a pressing portion, the pressing portion includes an apex of a folded-back portion of said negative pressure generating portion, while another end of said negative pressure generating portion is connected to said means for opening/closing. 2. The breast pump according to claim 1, wherein said negative pressure generating portion is a diaphragm portion connected to a flexible tube body via a support portion, said tube body is connected to said means for opening/closing, and said support portion serves as a connection portion connected to means for applying a driving force for deforming said diaphragm portion. 3. The breast pump according to claim 2, wherein said means for generating negative pressure include said negative pressure generating portion and a manual lever configured to cause said negative pressure generating portion to perform a negative pressure generating operation. 4. The breast pump according to claim 1, wherein said means for opening/closing is a tube body, the tube body includes means for deforming said tube body by a deformation movement of said diaphragm portion, thereby displacing said tube body in a bending fashion, and thus when an interior of said milking portion is caused to enter a state of negative pressure by said means for generating negative pressure, said tube body deforms such that inner walls of the tube body approach each other and come into contact with each other, and when said state of negative pressure in the interior of said milking portion is released by said means for generating negative pressure, said tube body is restored such that said inner walls of the tube body separate from each other. 5. The breast pump according to claim 4, wherein said means for generating negative pressure include said negative pressure generating portion and a manual lever configured to cause said negative pressure generating portion to perform a negative pressure generating operation. 6. The breast pump according to claim 5, wherein said means for opening/closing includes a boss shaped portion extending from a said manual lever, the boss shaped portion configured to contact the tube body and cause the tube body to deform such that the inner walls of the tube body approach each other and come into contact with each other. 7. The breast pump according to claim 6, wherein said means for opening/closing includes a projecting portion extending from a frame portion and located opposite the boss shaped portion such that the tube body is squeezed between the projecting portion and the boss shaped portion when said means for generating negative pressure is operated. 8. The breast pump according to claim 1, wherein said means for opening/closing includes a valve chamber. 9. A breast pump comprising: a breast pump main body including a milking portion configured to be brought into contact with a breast of a user to express milk via negative pressure, and a negative pressure generating structure disposed adjacent said milking portion and configured to generate negative pressure in the milking portion; a storing enclosure configured to be attached to and detached from said breast pump main body and capable of storing said expressed milk; and an opening/closing structure disposed between said breast pump main body and said storing enclosure and configured to selectively permit passage of said milk expressed by said breast pump main body into said storing enclosure, wherein said milking portion includes: a shape maintaining portion configured to maintain said milking portion in an enlarged-diameter horn shape; and a negative pressure generating portion that serves as a part of said negative pressure generating structure, the negative pressure generating portion configured to be attached to and detached from an inner side of said shape maintaining portion, and at least one end of said negative pressure generating portion at an enlarged diameter side includes a pressing portion, the pressing portion includes an apex of a folded-back portion of said negative pressure generating portion. 10. The breast pump according to claim 9, wherein said negative pressure generating portion is a diaphragm portion connected to a flexible tube body via a support portion, said tube body is connected to said opening/closing structure, and said support portion serves as a connection portion connected to a drive device. 11. The breast pump according to claim 9, wherein said opening/closing structure is configured such that said a tube body is deformed by a deformation movement of said diaphragm portion, thereby displacing said tube body in a bending fashion, and thus when an interior of said milking portion is caused to enter a state of negative pressure by said negative pressure generating structure, said tube body deforms such that inner walls of the tube body approach each other and come into contact with each other, and when said state of negative pressure in the interior of said milking portion is released by said negative pressure generating structure, said tube body is restored such that said inner walls of the tube body separate from each other. 12. The breast pump according to claim 9, wherein said negative pressure generating structure includes said negative pressure generating portion and a manual lever configured to cause said negative pressure generating portion to perform a negative pressure generating operation. 13. A breast pump, comprising: a frame structure that includes a cup portion configured to correspond in shape to a human breast; a flexible diaphragm located within the frame structure; an arm structure connected to the flexible diaphragm and moveable with respect to the frame structure; a storage device located adjacent the frame structure and flexible diaphragm; and a valve structure located between the flexible diaphragm and the storage device, wherein the flexible diaphragm includes a portion that extends substantially parallel with the frame structure and a portion that is substantially Z-shaped in cross section such that the diaphragm extends substantially parallel with and out of the frame structure for a first certain length and then the flexible diaphragm extends outward and back into the frame structure for a second certain length and then outward and again substantially parallel with and towards the cup shaped portion of the frame structure for a third certain length. 14. The breast pump according to claim 9, wherein said valve structure includes a valve chamber. 15. The breast pump according to claim 13, further comprising reinforcement ribs located on the first certain length of the diaphragm. 16. The breast pump according to claim 13, wherein said arm structure is attached to a lever and is configured to move the first certain length of the flexible diaphragm with respect to the third certain length of the flexible diaphragm to induce a negative pressure within the flexible diaphragm. 17. The breast pump according to claim 12, wherein said opening/closing structure includes a boss shaped portion extending from said manual lever the boss shared portion configured to contact the tube body and cause the tube body to deform such that the inner walls of the tube body approach each other and come into contact with each other. 18. The breast pump according to claim 17, wherein said opening/closing structure includes a projecting portion extending from a frame portion and located opposite the boss shaped portion such that the tube body is squeezed between the projecting portion and the boss shaped portion when said negative pressure generating structure is operated.
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