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Blood plasma bag air blister squeezer

A technology of extrusion machine and plasma bag, which is applied in the field of plasma bag bubble extrusion machine, can solve the problems of low accuracy, rupture of plasma bag, slow speed, etc., and achieve the effect of improving accuracy and uniform pressure

Inactive Publication Date: 2008-04-09
WUHAN BMS MEDICALTECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The blood is in the plasma bag, if the air in the bag cannot be completely discharged, the plasma bag will be easily broken during the quick freezing process
However, the existing blood component separation equipment does not have the function of automatic exhaust, and the air in the plasma bag can only be discharged by hand pressure or ordinary gravity exhaust clips, both of which are slow and accurate. not high disadvantage

Method used

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  • Blood plasma bag air blister squeezer
  • Blood plasma bag air blister squeezer

Examples

Experimental program
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Embodiment Construction

[0024] As shown in Figures 1 and 2, the plasma bag bubble squeezer includes a housing 1, a squeeze plate 2, a screw propulsion mechanism for pushing the squeeze plate 2, a pressure sensor 3, a controller 6, Heat sealing head 8, electronic hanging scale 7. The extruding plate 2 is arranged outside the housing 1 , and the extruding plate 2 is parallel to the outer wall of the housing 1 corresponding to the extruding plate 2 .

[0025] Screw mandrel propulsion mechanism comprises screw mandrel 4, is used to promote the motor 5 of screw mandrel 4, extrusion plate 2 moves guide rod 9, the guide groove 10 of guide rod 9; Motor 5 is a servo motor, and motor 5 is controlled by controller 6. One end of the screw rod 4 is connected with the extruding plate 2 , and the motor 5 is arranged in the casing 1 . One end of the guide rod 9 is connected to the extrusion plate 2 , and the guide groove 10 is arranged in the housing 1 .

[0026] The pressure sensor 3 is arranged on the outer wall...

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Abstract

The invention relates to a bubble extrusion machine used for plasma bags, and comprises a shell (1), a extrusion plate (2), a screw pulling mechanism used for pulling the extrusion plate (2), and a controller (6); the screw pulling mechanism comprises a screw (4), and a motor (5) used for pulling the screw (4); one end of the screw (4) is connected with the extrusion plate (2); the motor (5) is arranged in the shell (1) and controlled by the controller (6); the extrusion plate (2) is arranged outside the shell (1). By adopting the extrusion plate and the screw pulling mechanism, the invention can quickly squeeze air out of the plasma bags.

Description

technical field [0001] The present invention relates to equipment used in the separation of blood components. Background technique [0002] From blood collection to clinical application, blood will go through the process of collection, blood component separation, quick freezing, thawing, and clinical application. During the separation and quick-frozen storage of blood components, the purity of each blood component and the gas content will affect its quick-frozen storage. [0003] The blood is in the plasma bag, if the air in the bag cannot be completely discharged, the plasma bag will be easily broken during the quick freezing process. However, the existing blood component separation equipment does not have the function of automatic exhaust, and the air in the plasma bag can only be discharged by hand pressure or ordinary gravity exhaust clips, both of which are slow and accurate. Not high disadvantage. Contents of the invention [0004] The technical problem to be solv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B30B1/18B30B1/00B30B9/00A61M1/38
Inventor 潘迎朱亮李蓓
Owner WUHAN BMS MEDICALTECH
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