Infusion pump
First Claim
1. An infusion pump configured to be powered by either a disposable battery source or a rechargeable battery source, the infusion pump comprising:
- a housing having a recess; and
a motor positioned within the housing and operably connected to an electrical contact disposed in the recess, the motor powering the pump, wherein the recess receives one of a rechargeable battery unit having an electrical contact that contacts the recess electrical contact, and a disposable battery unit having an electrical contact that contacts the recess electrical contact.
1 Assignment
0 Petitions
Accused Products
Abstract
An infusion pump (10) is configured to be powered by either a disposable battery source or a rechargeable battery source. The infusion pump (10) has a housing (12) having a recess (33). A motor is positioned within the housing (12) and is operably connected to an electrical contact (94) disposed in the recess (33). The motor powers the pump (10). The recess (33) receives one of a rechargeable battery unit (90) having an electrical contact (98) that contacts the recess electrical contact (94), and a disposable battery unit (92) having an electrical contact (144) that contacts the recess electrical contact (94).
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Citations
84 Claims
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1. An infusion pump configured to be powered by either a disposable battery source or a rechargeable battery source, the infusion pump comprising:
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a housing having a recess; and
a motor positioned within the housing and operably connected to an electrical contact disposed in the recess, the motor powering the pump, wherein the recess receives one of a rechargeable battery unit having an electrical contact that contacts the recess electrical contact, and a disposable battery unit having an electrical contact that contacts the recess electrical contact. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An infusion pump comprising:
a housing having a recess adapted to receiving at least one of a disposable battery unit and a rechargeable battery unit for powering the pump. - View Dependent Claims (10)
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11. An infusion pump configured to be powered by either a disposable battery or a rechargeable battery, the infusion pump comprising:
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a housing having a recess;
a motor positioned within the housing and being operably connected to an electrical contact disposed in the recess, the motor powering the pump;
the recess adapted to receive one of a disposable battery unit and a rechargeable battery unit.
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12. An infusion pump assembly comprising:
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a disposable battery unit;
a rechargeable battery unit having an integrated power supply, recharger, rechargeable battery and an AC power cord;
a pump housing having a recess;
a motor positioned within the housing and being operably connected to an electrical contact disposed in the recess, the motor powering the pump;
wherein the recess receives the disposable battery unit in a first configuration wherein disposable battery unit has an electrical contact that engages the recess electrical contact and wherein the recess is adapted to receive the rechargeable battery unit in a second configuration wherein the rechargeable battery unit has an electrical contact that engages the recess electrical contact.
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13. An infusion pump comprising:
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a housing having a recess;
a motor positioned within the housing and operably connected to an electrical contact disposed in the recess, the motor configured to power the pump;
an electronic means for supplying power to the motor, the electronic means being received by the recess in engagement with the contact, and wherein the electronic means is at least one device selected from the group consisting of a disposable battery source, a rechargeable battery source, and an AC power cord. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. An infusion pump adapted to received a syringe having a syringe barrel moveably receiving a syringe plunger therein, the infusion pump comprising:
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a housing defining a compartment adapted to receive the syringe, the compartment having a rear wall, the housing further having a curved lip generally adjacent to the rear wall;
a clamp connected to the housing and positioned in the compartment in confronting relation to the rear wall;
wherein can be loaded into the compartment between the rear wall and the clamp wherein upon initial insertion, the curved lip is adapted to slidingly engage the syringe barrel allowing generally one-hand loading of the syringe into the compartment. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. An infusion pump comprising:
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a housing having a compartment adapted to receive a syringe having a barrel and a plunger;
a drive mechanism supported by the housing and adapted to contact the plunger to move the plunger within the barrel, the mechanism further comprising;
a linearly moveable arm having a load cell mounted thereon;
a load beam pivotally connected to the arm, the load beam having one side contacting the load cell and another side adapted to contact the plunger;
wherein upon movement of the arm to move the plunger, the load cell senses a reactive force from the load beam, the load cell converting the force into a usable signal wherein an occlusion is signaled if the usable signal is outside a predetermined acceptable range. - View Dependent Claims (29, 30, 31, 32)
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33. An occlusion sensor for detecting occlusions in an infusion line connected to a syringe received by an infusion pump, the syringe having a syringe barrel and a syringe plunger, the infusion pump having a drive mechanism adapted to contact the plunger to move the plunger within the barrel, the sensor comprising:
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an arm adapted to be connected to the drive mechanism for linear movement, the arm having a load cell mounted thereon;
a load beam pivotally connected to the arm, the load beam having one side contacting the load cell and another side adapted to contact the plunger;
wherein upon movement of the arm to move the plunger, the load cell senses a reactive force from the load beam, the load cell converting the force into a usable signal wherein an occlusion is signaled if the usable signal is outside a predetermined acceptable range.
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34. An infusion pump comprising:
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a housing having a compartment;
a syringe received in the compartment, the syringe having a barrel and a plunger moveable within the barrel;
a drive mechanism supported by the housing and adapted to contact the plunger to move the plunger within the barrel, a magnet positioned on the drive mechanism adapted to be proximal the syringe plunger; and
a linear sensor array supported by the housing and positioned such that the plunger is adapted to be adjacent thereto, wherein the linear sensor array senses the strength of a magnetic field associated with the magnet to determine a linear position of the plunger within the barrel. - View Dependent Claims (35, 36)
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37. An infusion pump comprising:
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a housing having a compartment;
a syringe received in the compartment, the syringe having a barrel and a plunger moveable within the barrel;
a drive mechanism supported by the housing and adapted to contact the plunger to move the plunger within the barrel, a magnet positioned on the drive mechanism adapted to be substantially at a distal end of the syringe plunger; and
a magnet sensor supported by the housing and positioned such that the plunger is adapted to be adjacent thereto, wherein the linear sensor array senses the strength of a magnetic field associated with the magnet to determine a linear position of the plunger within the barrel. - View Dependent Claims (40, 43, 44, 47, 48)
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38. An infusion pump comprising:
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a housing having a compartment defining a rear wall, the housing further having a syringe clamp slideably positioned towards and away from the rear wall, the housing adapted to and capable of receiving syringes having syringe barrels of varying diameter;
a magnet positioned on the syringe clamp; and
a linear sensor array supported by the housing and positioned such that the syringe clamp is adapted to be generally adjacent thereto, wherein the linear sensor array senses the strength of a magnetic field associated with the magnet to determine a size of a syringe barrel received by the compartment. - View Dependent Claims (41)
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39. A drive mechanism for an infusion pump, the drive mechanism adapted to linearly move a syringe plunger within a syringe barrel supported by the pump, the mechanism comprising:
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a motor;
a lead screw rotatably connected to the motor;
a slide assembly having a threaded member supported thereon, the threaded member being associated with the lead screw;
an arm having one end connected to the slide assembly and one end adapted to be engaged with the syringe plunger, the threaded member being rotatably biased in engagement with the lead screw, wherein upon rotation of the lead screw by the motor, the slide assembly linearly moves the arm wherein the arm is adapted to move the syringe plunger within the syringe barrel. - View Dependent Claims (42, 45, 46)
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49. A drive mechanism for an infusion pump, the drive mechanism adapted to linearly move a syringe plunger within a syringe barrel supported by the pump, the mechanism comprising:
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a motor;
a lead screw rotatably connected to the motor;
a rail assembly;
a slide assembly slidably supported by the rail assembly, the slide assembly having a rotary nut supported thereon, the rotary nut having a threaded portion;
an arm having one end connected to the slide assembly and one end adapted to be engaged with the syringe plunger, the rotary nut being rotatably biased wherein the threaded portion is engaged with the lead screw, wherein upon rotation of the lead screw by the motor, the slide assembly linearly moves the arm wherein the arm is adapted to move the syringe plunger within the syringe barrel.
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50. A rotary nut for a drive mechanism of a syringe infusion pump, the drive mechanism adapted to linearly move a syringe plunger within a syringe barrel supported by the pump, the drive mechanism having a lead screw rotatable by a motor, and further having a disengagement rod, the drive mechanism further having an arm having one end adapted to be connected to the rotary nut and another end adapted to engage the syringe plunger, the rotary nut comprising:
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a cylindrical base, the base having post and ring extending therefrom, the ring being generally circumjacent to the post, the ring having a first notch defining a first engagement surface and a second notch defining a second engagement surface;
a first finger depending from the base, the first finger having a first threaded portion;
a second finger depending from the base, the second finger having a second threaded portion, the second finger being spaced from the first finger defining an opening therebetween, wherein the lead screw is adapted to be received in the opening wherein the rotary nut has an engaged position wherein the first threaded portion engages a first side of the lead screw and the second threaded portion engages an opposite, second side of the lead screw, wherein the rotary nut linearly moves along the lead screw upon rotation of the lead screw by the motor, the second engagement surface engaging a pin when the rotary nut is in the engaged position to prevent over-engagement with the lead screw, the rotary nut being rotatable by the disengaging rod engaging the first engagement surface wherein the threaded portions are not in engagement with the lead screw.
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51. A rotary nut for a drive mechanism of a syringe infusion pump, the drive mechanism having a rotatable lead screw, the rotary nut adapted for linear movement along the lead screw, the rotary nut comprising:
a body having an opening therethrough defining an inner surface, the inner surface having a threaded portion, the opening dimensioned such that when the body is rotated to a first position, the threaded portion engages the lead screw wherein the rotary nut can move linearly along the lead screw in response to rotation of the lead screw and when the body is rotated to a second position, the threads disengage from the lead screw wherein the rotary nut can move freely along the lead screw.
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52. A rotary nut for a drive mechanism of a syringe infusion pump, the drive mechanism having a rotatable lead screw, the rotary nut adapted for linear movement along the lead screw, the rotary nut comprising:
a body having an opening therethrough defining an inner surface, the inner surface having a threaded portion, the opening dimensioned such that when the body is rotated to an engaged position, the threaded portion engages the lead screw wherein the nut linearly moves along the lead screw in response to rotation of the lead screw.
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53. A method of transferring infusion data from an infusion pump comprising:
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providing an infusion pump having a user interface having a memory storing infusion data, the pump having an infrared data port, the data being retrievable upon depressing a button associated with the pump;
providing a personal digital assistant having a data port;
depressing the button;
positioning the personal digital assistant data port adjacent the pump data port;
transferring infusion data from the pump to the personal digital assistant. - View Dependent Claims (54, 55)
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56. A method of transferring infusion data from an infusion pump comprising:
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providing an infusion pump having a user interface having a memory storing infusion data, the pump having an infrared data port, the data being retrievable upon depressing a button associated with the pump;
providing a hand-held printer having a data port;
depressing the button;
positioning the hand-held printer data port adjacent the pump data port;
transferring infusion data from the pump to the hand-held printer and printing the data. - View Dependent Claims (57)
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58. A method of transferring infusion data from an infusion pump comprising:
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providing an infusion pump having a user interface having a memory storing infusion data, the pump having an infrared data port, the data being retrievable upon depressing a button associated with the pump;
providing a hand-held printer having a data port;
depressing the button;
entering a password into the user interface; and
entering a patient identification number into the user interface;
positioning the hand-held printer data port adjacent the pump data port;
transferring infusion data from the pump to the hand-held printer and printing the data.
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59. An infusion pump comprising:
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a housing having an opening, the housing having an inner surface;
a user interface having a display screen positioned generally within the opening, and a pad having a face surface positioned between the display screen and the inner surface of the housing. - View Dependent Claims (60, 61, 62, 63)
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64. A system for associating a patient controlled analgesia button with a medical device, the system comprising:
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a means for providing first status information, the first status information indicating the button is not installed;
a means for providing second status information, the second status information indicating the button is installed and the button is in a rest position;
a means for providing third status information, the third status information indicating the button is installed and the button is actuated; and
a means for providing fourth status information, the fourth status information indicating a fault is present. - View Dependent Claims (65, 66, 67, 68, 69, 70)
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71. A method for associating a patient controlled analgesia button with a medical device, the method comprising the steps of:
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providing first status information, the first status information indicating the button is not installed;
providing second status information, the second status information indicating the button is installed and the button is in a rest position;
providing third status information, the third status information indicating the button is installed and the button is actuated; and
providing fourth status information, the fourth status information indicating a fault is present. - View Dependent Claims (72, 73, 74, 75, 76, 77)
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78. A system for associating a patient controlled analgesia button with a medical device, the system comprising:
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a first circuit, the first circuit being connected to ground when the patient controlled analgesia button is installed;
a second circuit, the second circuit connected to ground when the button is installed and at rest; and
a third circuit, the third circuit connected to ground when the button is installed and actuated. - View Dependent Claims (79, 80, 81, 82, 83, 84)
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Specification