Pivot pin bearing for biomedical systems

Details Pivot pin bearing for biomedical systems Pivot pin bearing for biomedical systems

1985-04-12

1987-06-23

Sever, Frank

Liquid purification or separation

With repair or assembling means

2103801, 210541, 210542, B01D 3500, B01D 4514

Patent

active

046751068

ABSTRACT:
In a disposable biomedical system for processing fluids in a closed environment such as a plasmapheresis system, comprising a plastic rotor mounted for rotation on a pivot pin bearing and a seal, particularly a silicone lubricated O-ring seal, between the rotor and pin, the improvement wherein said pivot pin is a molded pivot pin of a hard plastic material having a low coefficient of friction and lubriciousness, and which is capable of being irradiated by gamma radiation for sterilization and modification of the plastic material without degradation or loss of lubricious properties. The pivot pin bearing preferably comprises an injection molded polyamide based resin.

REFERENCES:
patent: 3448858 (1969-06-01), Delcellier et al.

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