Parenteral syringe pump drive system with installation indicator

Details Parenteral syringe pump drive system with installation indicator Parenteral syringe pump drive system with installation indicator

1976-08-25

1978-03-28

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128234, A61M 518

Patent

active

040809676

ABSTRACT:
Apparatus for fluid flow control in a parenteral administration system, utilizing a syringe pump operated by a motor to repetitively fill and empty a disposable syringe cartridge over a plurality of operational cycles of successive fill and pump stroke periods. The syringe cartridge has no valves, and the apparatus repetitively and sequentially opens and closes, by means of an external pair of tube pinchers, a pair of intake and output I.V. tubes communicating with the inlet and outlet nipples of the syringe cartridge. A reference light source and photoelectric sensor is provided to sense the physical presence of the syringe cartridge, and an appropriate electrical signal is generated whenever the reference light beam is interrupted by one of the syringe nipples, to thereby indicate proper installation of the syringe cartridge for control over pump operation, while another reference light source and photoelectric sensor is provided adjacent one of the syringe nipples as a bubble detector to insure that all of the air has been removed from the syringe and to prevent air delivery to the patient.

REFERENCES:
patent: 3543752 (1970-12-01), Hesse et al.
patent: 3731679 (1973-05-01), Wilhelmson
patent: 3888239 (1975-06-01), Rubenstein
patent: 3985133 (1976-10-01), Jenkins et al.
patent: 3990444 (1976-11-01), Vial

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