MESH PROTECTION SYSTEM
First Claim
Patent Images
1. An implantable pump comprising:
- a housing having a replenishment port and a bolus port;
a cover disposed on the housing, the cover partially covering the bolus port and including an entry opening allowing for entry into the bolus port; and
a screen member associated with the entry opening, the screen member including a plurality of square holes sized so as to prevent entry of an injection device having a larger size into the bolus port.
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Accused Products
Abstract
An improved safety feature for preventing overdosage to a patient is disclosed. In one embodiment, the feature includes an improved screen member that prevents the inadvertent entry of a needle having too large a diameter. The screen member includes a plurality of holes that are configured so as to rid unwanted dead spaces that can damage an injection device during injection. Another embodiment of the safety feature includes a plurality of pins situated so as to similarly create a plurality of openings for reception of certain sized injection devices. Methods of providing a bolus dose to a patient are also disclosed.
12 Citations
30 Claims
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1. An implantable pump comprising:
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a housing having a replenishment port and a bolus port; a cover disposed on the housing, the cover partially covering the bolus port and including an entry opening allowing for entry into the bolus port; and a screen member associated with the entry opening, the screen member including a plurality of square holes sized so as to prevent entry of an injection device having a larger size into the bolus port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A screen member for use in an implantable pump comprising:
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a body having a plurality of square holes formed therethrough and a flange, wherein the square holes include sloped walls defining a minimum size so as to prevent entry of an injection device having a larger size therein. - View Dependent Claims (17, 18, 19, 20)
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21. An implantable pump comprising:
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a housing having a replenishment port and a bolus port; and a plurality of pins partially covering the bolus port, the plurality of pins defining a plurality of holes sized so as to prevent entry of an injection device having a larger size into the bolus port. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification