Liquid transfusing bottle

• US 4,700,871 A
• Filed: 10/21/1985
• Issued: 10/20/1987
• Est. Priority Date: 10/30/1984
• Status: Expired due to Fees

• Current Assignee: TOYO Seikan Kaisha Limited
• Original Assignee: TOYO Seikan Kaisha Limited
• Inventors: Takeda, Isamu, Matsuo, Junichi, Sakano, Kozaburo
• Primary Examiner(s): Skaggs, H. Grant
• Assistant Examiner(s): Shaver, Kevin P.
• Application Number:
  US06/789,876
• Time in Patent Office: 729 Days
• Field of Search: 222/92, 222/105, 222/107, 222/158, 222/206, 222/209, 222/215, 222/94, 222/95, 604/262, 604/403, 604/404, 604/408, 604/410, 604/415, 383/119, 383/120, 383/906, 215/DIG. 3, 215/1 C, 215/1 R
• US Class Current: 222/107
• CPC Class Codes: A61J 1/05 for collecting, storing or administering blood, plasma or medical fluids multiple bags systems for separating or storing blood components A61M1/0209; Infusion or perfusion containers

Abstract

An improved liquid transfusing bottle made of flexible material of the type using no air venting needle. It includes a barrel portion, a shoulder portion and a bottom portion and parting lines extend on both the side faces in the vertical direction. The barrel portion is formed with ribs or recessed area of which contour line is so designed that a distance as measured from the parting line decreases toward the center part of the bottle from the shoulder portion or the bottom portion. As a residual volume of liquid in the bottle decreases, the barrel portion is deformed in the flattened configuration along the contour lines of the ribs or the recessed parts in such a manner that the shorter diameter thereof is reduced. Deformation of the barrel portion is achieved without any occurrence of twisting, breaking or the like of the bottle and liquid in the bottle is smoothly discharged therefrom at a constant speed during operation of transfusion.

Claims

1. In a liquid transfusing bottle made of flexible material including a barrel portion, and a shoulder portion at a top of said barrel portion and a bottom portion at a lower end of said barrel portion, said barrel portion having a flattened configuration having a front barrel portion and a rear barrel portion which are located opposite to one another in a direction of a shorter diameter with respect to a cross-sectional plane of the bottle, and side walls which are located opposite to one another in a direction of a longer diameter with respect to said cross-sectional plane and comprise sides of said front barrel portion and said rear barrel portion, said barrel portion being deformable and having a substantially symmetrical structure relative to an imaginary plane in which an imaginary parting line respectively extends along a middle part of both of the side walls in a longitudinal direction thereof, and deformation guiding parts formed relative to the side walls at a predetermined area with respect to the longitudinal direction of the bottle, the improvement wherein

each of said side walls defines a substantially flat side extending from the shoulder portion to the bottom portion, and said side walls are parallel to each other,

said front and rear barrel portions ending at said flat sides, said deformation guiding parts being cross-shaped, extending from adjacent said shoulder portion and said bottom portion partly in said front and rear barrel portions, crossing into the flat sides,

said deformation guiding parts each defining an edge such that a distance from said parting line at a corresponding side wall to the edge of a corresponding deformation guiding part decreases continuously approaching substantially a center of the corresponding side wall from substantially adjacent the shoulder portion and from substantially adjacent the bottom portion in the longitudinal direction of the bottle and in symmetrical relation relative to said parting line.

2. The liquid transfusing bottle according to claim 1, wherein

said flexible material is selected from the group consisting of polypropylene, polyethylene and polyvinylchloride.

3. The liquid transfusing bottle according to claim 1, wherein

said flexible material is transparent.

4. The liquid transfusing bottle according to claim 1, wherein

said flexible material is semitransparent.

5. The liquid transfusing bottle according to claim 1, wherein

said side walls are slightly curved.

6. The liquid transfusing bottle according to claim 1, wherein

said deformation guiding parts by said edges define recessed portions of said front barrel portion and said rear barrel portion and the corresponding side wall,

each of said recessed portions defines a polygon forming two isosceles triangles joined at a common apex at said center forming an X-shaped pattern.

7. In a liquid transfusing bottle made of flexible material including a barrel portion, and a shoulder portion at a top of said barrel portion and a bottom portion at a lower end of said barrel portion, said barrel portion having a flattened configuration having a front barrel portion and a rear barrel portion which are located opposite to one another in a direction of a shorter diameter with respect to a cross-sectional plane of the bottle, and side walls which are located opposite to one another in a direction of a longer diameter with respect to said cross-sectional plane and comprise sides of said front barrel portion and said rear barrel portion, said barrel portion being deformable and having a substantially symmetrical structure relative to an imaginary plane in which a parting line respectively extends along a middle part of both of the side walls in a longitudinal direction thereof, and deformation guiding parts being formed relative to the side walls at a predetermined area with respect to the longitudinal direction of the bottle, the improvement wherein

each of said side walls defines a substantially flat side extending from the shoulder portion to the bottom portion, and said side walls are parallel to each other,

said front and rear barrel portions ending at said flat sides, said deformation guiding parts being cross-shaped, extending from adjacent said shoulder portion and said bottom portion partly in said front and rear barrel portions, crossing into the flat sides,

said deformation guiding parts are ribs adjacent the side walls defining an edge such that a distance from said parting line at a corresponding side wall to the edge of a corresponding deformation guiding part decreases approaching substantially a center of the corresponding side wall from substantially adjacent the shoulder portion and from substantially adjacent the bottom portion in the longitudinal direction of the bottle and in symmetrical relation relative to said parting line.

8. The liquid transfusing bottle according to claim 7, further comprising

horizontal ribs connecting said ribs at one side between the front and rear barrel portions.