Catheter attachment for blood sampling

Details Catheter attachment for blood sampling Catheter attachment for blood sampling

1978-03-30

1980-10-28

Michell, Robert W.

Surgery

Truss

Pad

128214R, 128274, 137244, A61B 1000

Patent

active

042301289

ABSTRACT:
A catheter attachment to be utilized in conjunction with an arterial catheter for blood sampling purposes is disclosed. The attachment includes a housing adapted to be fixedly secured to the catheter, and a stopcock operatively connected to the housing for controlling the flow of blood to a sampling syringe. A sealing stylet is also disposed within the housing in a reciprocal manner so as to be axially inserted within, or withdrawn from, the catheter during non-sampling and sampling periods. In order to insure the disposition of the stylet within the catheter during non-sampling periods, a locking mechanism is also provided which prevents the axial displacement or withdrawal of the stylet from the catheter.

REFERENCES:
patent: 3459176 (1969-08-01), Leonard
patent: 3547119 (1970-12-01), Hall et al.
patent: 3675891 (1972-07-01), Reynolds et al.
patent: 3727602 (1973-04-01), Hyden et al.
patent: 3757771 (1973-09-01), Ruegg et al.
patent: 3774604 (1973-11-01), Danielsson

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