Mixing and thawing device

Patent metadata

Field	Value
Publication number	US-10363528-B2
Application number	US-201515125594-A
Country	US
Kind code	B2
Filing date	Apr 16, 2015
Priority date	Apr 16, 2014
Publication date	Jul 30, 2019
Grant date	Jul 30, 2019

Abstract

A mixing and thawing device (1) has a rocker drive (2) and a bag holder (3) for holding a bag (7). The bag holder (3) has a base part (8) and a lid part (9) that enclose a holding space (10) for the bag (7). A heating element (11) is arranged in the base part (8). Thus, the holding space (10) is designed as a heat-insulating closed chamber. Interconnected intermediate spaces (14, 15) are arranged between the bag (7) and the base part (8) and between the bag (7) and the lid part (9). One or more flow generators (16) are provided to generate a circulating fluid flow (17).

First claim

The invention claimed is:

1. A mixing and thawing device ( 1 ), comprising:
a rocker drive ( 2 ) having a substructure ( 4 ) and a rocker plate ( 5 ) that is configured for pivoting relative to the substructure ( 4 ) about a rocker axis ( 6 ) at a programmable frequency and a programmable angle;
a bag holder ( 3 ) having a base part ( 8 ) and a lid part ( 9 ) that enclose a holding space ( 10 ) for holding a bag ( 7 ), the holding space ( 10 ) being a heat-insulating closed chamber, the base part ( 8 ) of the bag holder ( 3 ) being fastened securely to the rocker plate ( 5 );
a heating element ( 11 ) being arranged in the base part ( 8 )
a first intermediate space ( 14 ) arranged between the bag ( 7 ) and the base part ( 8 );
a second intermediate space ( 15 ) arranged between the bag ( 7 ) and the lid part ( 9 ) and in fluidic communication with the first intermediate space; and
at least one flow generator ( 16 ) for generating a circulating fluid flow ( 17 ) through the first and second intermediate spaces ( 14 , 15 ) and on opposite sides of the bag ( 7 ).

2. The mixing and thawing device of claim 1 , wherein
the at least one flow generator is a fan and the fluid flow is an air stream.

3. The mixing and thawing device of claim 1 , further comprising a lower part ( 12 ) arranged in the holding space ( 10 ) adjacent to the base part ( 8 ) and an upper part ( 13 ) arranged in the holding space ( 10 ) adjacent to the lid part ( 9 ).

4. The mixing and thawing device of claim 3 , wherein
the lower part ( 12 ) and the upper part ( 13 ) form a protective housing for the bag ( 7 ).

5. The mixing and thawing device of claim 1 , wherein
the base part ( 8 ) has one or more condensate outlets ( 18 ).

6. The mixing and thawing device of claim 3 , wherein
the bag ( 7 ) is fastened between the lower part ( 12 ) and the upper part ( 13 ) to prevent slippage.

7. The mixing and thawing device of claim 1 , wherein
the lid part ( 9 ) is removable from the base part ( 8 ).

8. The mixing and thawing device of claim 1 , further comprising
a heat-conducting gel pad ( 19 ) arranged on the heating element ( 11 ) and facing the bag ( 7 ).

9. The mixing and thawing device of claim 8 , wherein
the gel pad ( 19 ) is flexible.

10. The mixing and thawing device of claim 8 , wherein
the heat-conducting gel pad regulates a temperature of the heating element.

11. The mixing and thawing device of claim 1 , further comprising
one or more temperature sensor arranged within the bag holder ( 3 ).

12. The mixing and thawing device of claim 1 , further comprising
a control and regulation device arranged within the rocker drive ( 2 ) for controlling and regulating a thawing and/or mixing that can be performed using the mixing and thawing device ( 1 ).

13. The mixing and thawing device of claim 12 , wherein
the control and regulation device is operable to operate the rocker drive ( 2 ) selectively for carrying out the mixing without heating or temperature-controlling the bag ( 7 ).

14. The mixing and thawing device of claim 3 , wherein
the lower part ( 12 ) and/or the upper part ( 13 ) are bowl-shaped.

Assignees

• Sartorius Stedim Biotech Gmbh

Inventors

• Boettcher Lars
• Roell Marcel
• Dahlberg Martin
• Weitemeier Swen

Classifications

• A61M2205/362

  by gas flow · CPC title

• B01F11/0008 Primary

  Operations & Transport · mapped topic

• A61M5/44 Primary

  having means for cooling or heating the devices or media · CPC title

• A61M5/445

  the media being heated in the reservoir, e.g. warming bloodbags · CPC title

• B01F15/065

  Operations & Transport · mapped topic