Blocking condition detection device in a medical fluid injection

Details Blocking condition detection device in a medical fluid injection Blocking condition detection device in a medical fluid injection

1980-08-21

1983-01-25

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128DIG12, 200 819R, 417 38, A61M 500

Patent

active

043697801

ABSTRACT:
A medical fluid injection system which includes a flexible conduit and a rotor for supplying a pressurized medical fluid to the human body through the flexible conduit. A blocking condition detection unit is provided for detecting an abnormal blocking condition of the flexible conduit. The blocking condition detection unit includes a supporting member for supporting the flexible conduit in a manner that the section of the flexible conduit is forced to show a rectangular configuration. A rod is slidably disposed through the supporting member so that one end of the rod makes contact with the flexible conduit. When an abnormal blocking condition occurs in the flexible conduit, the flexible conduit held by the supporting member expands to depress and shift the rod. The thus created movement of the rod is detected by a mcroswitch, whereby the rotation of the rotor is interrupted.

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