Positive displacement pump
First Claim
Patent Images
1. A device for delivering therapeutic fluid into a body of a patient, comprising:
- at least one housing accommodating therein;
a reservoir including at least one wall for retaining therapeuticfluid;
an outlet port in fluid communication with the reservoir;
a plunger having a plunger head and a plunger rod for displacing the therapeutic fluid from the reservoir to the outlet port;
a driving mechanism including at least a motor and one or more gears for displacing the plunger within the reservoir, the driving mechanism further comprising a plurality of hinged bars, wherein at least two bars of the plurality of hinged bars are pivotally coupled to the plunger rod; and
electronic components including at least a controller for controlling at least the operation of the driving mechanism; and
a reusable part comprising a reusable part housing accommodating the electronic components and the driving mechanism;
a disposable part connectable to the reusable part, the disposable part comprising a disposable part housing accommodating the reservoir, the plunger head and the outlet port; and
an energy supply electrically coupleable to at least one of the electronic components for supplying energy upon connection of the disposable part to the reusable part;
wherein;
the at least one housing comprises the reusable part housing and the disposable part housing; and
delivery of the therapeutic fluid is enabled upon connecting the disposable part to the reusable part.
3 Assignments
0 Petitions
Accused Products
Abstract
Systems, methods and apparatuses for delivering therapeutic fluid to the body of a patient are disclosed. The apparatus includes a dispensing unit having a driving mechanism, a pumping mechanism, a reservoir containing therapeutic fluid, and an outlet port. The driving mechanism causes the pumping mechanism to positively displace therapeutic fluid within the reservoir for delivery of therapeutic fluid to the body of the patient via the outlet port.
-
Citations
33 Claims
-
1. A device for delivering therapeutic fluid into a body of a patient, comprising:
-
at least one housing accommodating therein; a reservoir including at least one wall for retaining therapeutic fluid;
an outlet port in fluid communication with the reservoir;a plunger having a plunger head and a plunger rod for displacing the therapeutic fluid from the reservoir to the outlet port; a driving mechanism including at least a motor and one or more gears for displacing the plunger within the reservoir, the driving mechanism further comprising a plurality of hinged bars, wherein at least two bars of the plurality of hinged bars are pivotally coupled to the plunger rod; and electronic components including at least a controller for controlling at least the operation of the driving mechanism; and a reusable part comprising a reusable part housing accommodating the electronic components and the driving mechanism; a disposable part connectable to the reusable part, the disposable part comprising a disposable part housing accommodating the reservoir, the plunger head and the outlet port; and an energy supply electrically coupleable to at least one of the electronic components for supplying energy upon connection of the disposable part to the reusable part; wherein; the at least one housing comprises the reusable part housing and the disposable part housing; and delivery of the therapeutic fluid is enabled upon connecting the disposable part to the reusable part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
-
Specification