Infusion pump keypad assembly and method for making the same
First Claim
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1. An infusion pump comprising:
- a pump casing comprising a first material and defining a keypad assembly area; and
a keypad assembly forming a hermetic seal over the keypad assembly area, the keypad assembly comprising;
(i) a frame comprising a second material and defining a perimeter sized to mate with the keypad assembly area, the frame having an adhesive surface and an overmold surface, and(ii) a keypad comprising a third material and in direct contact with the overmold surface of the frame.
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Abstract
An infusion pump and method of its manufacture according to the present invention are provided. The infusion pump has a pump casing made from a first material and defining a keypad assembly area. Disposed within the keypad assembly area and electrically coupled to the infusion pump is a flexible circuit. The keypad assembly is hermetically sealed over the flexible circuit to the keypad assembly area. The keypad assembly includes a frame made from a second material and defining a perimeter sized to mate with the keypad assembly area, the frame having an adhesive surface and an overmold surface, and a keypad made from a third material and in direct contact with the overmold surface of the frame.
18 Citations
18 Claims
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1. An infusion pump comprising:
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a pump casing comprising a first material and defining a keypad assembly area; and a keypad assembly forming a hermetic seal over the keypad assembly area, the keypad assembly comprising; (i) a frame comprising a second material and defining a perimeter sized to mate with the keypad assembly area, the frame having an adhesive surface and an overmold surface, and (ii) a keypad comprising a third material and in direct contact with the overmold surface of the frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of manufacturing an infusion pump comprising:
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providing a pump casing comprising a first material and having a keypad assembly area; molding a frame comprising a second material and defining a perimeter sized to mate with the keypad assembly area, the frame having an adhesive surface and an overmold surface; overmolding a keypad onto the frame; and adhering the adhesive surface of the keypad frame to the keypad assembly area of the pump casing with an adhesive to provide a hermetic seal to protect components within the pump casing. - View Dependent Claims (17)
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18. A method of assembling an infusion pump having a keypad assembly hermetically sealed to a keypad assembly area of a pump casing of the infusion pump, the keypad assembly comprising (i) a frame defining a perimeter sized to mate with the keypad assembly area, the frame having an adhesive surface and an overmold surface, and (ii) a keypad in direct contact with the overmold surface of the frame and having function keys, the method of assembly comprising:
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cleaning the keypad assembly area with a solvent; placing adhesive on the adhesive surface of the frame of the keypad assembly; aligning the adhesive surface of the frame perimeter with the keypad assembly area of the infusion pump casing; and hermetically sealing the keypad assembly to the keypad assembly area of the infusion pump casing.
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Specification