Syringe pump control system
First Claim
1. An infusion pump for pumping fluid from a syringe by pushing the plunger of the syringe, the pump comprising:
- clamping means for holding the syringe, the clamping means having locked and unlocked positions;
locking means for locking and unlocking the clamping means;
a syringe pusher means for pushing the plunger of the syringe;
drive means for driving the syringe pusher means;
engagement means for engaging and disengaging the drive means; and
single control means for controlling both the locking means and the engagement means wherein the control means comprises means for causing the locking means to selectively lock and unlock the clamping means and for causing the engagement means to selectively engage and disengage the drive means.
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Accused Products
Abstract
A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an antisiphon catch and a pressure detector which is used for detecting occlusions or the end of infusion. A syringe clamp for locking a syringe in place is also provided. The syringe clamp is spring-loaded and lockable. A syringe position detector is provided to ensure the proper placement of the syringe prior to and during pumping. A control knob is provided on the face of the pump for controlling both the locking of the syringe barrel clamp and the coupling of the drive belt with a d.c. motor. The pump includes a housing having an elongated slot through which the syringe pusher is connected to the drive belt. A sealing band is connected to the syringe pusher and is moveable with the syringe pusher for sealing the slot against moisture or other contaminants. A pole clamp assembly is incorporated within the pump housing and includes a clamping arm for securing the pole between the clamping arm and the housing. The clamping arm is movable to a storage position where it is substantially flush with the outer surface of the pump housing.
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Citations
33 Claims
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1. An infusion pump for pumping fluid from a syringe by pushing the plunger of the syringe, the pump comprising:
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clamping means for holding the syringe, the clamping means having locked and unlocked positions; locking means for locking and unlocking the clamping means; a syringe pusher means for pushing the plunger of the syringe; drive means for driving the syringe pusher means; engagement means for engaging and disengaging the drive means; and single control means for controlling both the locking means and the engagement means wherein the control means comprises means for causing the locking means to selectively lock and unlock the clamping means and for causing the engagement means to selectively engage and disengage the drive means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An infusion pump for pumping fluid from a syringe by pushing the plunger of the syringe, the pump comprising:
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clamping means for holding the syringe, the clamping means having locked and unlocked positions; locking means for locking and unlocking the clamping means; a syringe pusher means for pushing the plunger of the syringe; drive means for driving the syringe pusher means; engagement means for engaging and disengaging the drive means; and a control means comprising a first camming means for controlling the locking means and a second camming surface for controlling the engagement means wherein the first camming means causes the locking means to selectively lock and unlock the clamping means and the second camming means causes the engagement means to selectively engage and disengage the drive means. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification