Medication infusion set
First Claim
1. An infusion set for subcutaneous administration of a fluid, comprising:
- a cannula housing defining a fluid passageway along a longitudinal axis thereof, the cannula housing including an arcuate guide rail and a cannula, said cannula being in fluid communication with the passageway and configured to be placed into the skin of a patient; and
a connector adapted to be connected to the cannula housing, the connector comprising a guide arm configured to mate with the arcuate guide rail, and a locking arm having a barb, wherein the cannula housing further defines a recess therein adjacent said fluid passageway, said recess being adapted to receive the barb when the connector is connected to the cannula housing.
1 Assignment
0 Petitions
Accused Products
Abstract
An infusion set is provided for use in delivering fluid through a cannula, which is housed on a cannula housing, to a selected subcutaneous infusion site on a patient. The fluid is generally a medication, for example, insulin. The cannula is in fluid communication with a fluid passageway surrounded by a projection on the cannula housing that includes one or more rail-like extensions acting as connection guides. A connector connects the cannula housing to a fluid delivery system, such as an infusion pump. The connector includes a connecting needle and one or more guide arms that slide over the rail-like extensions to guide the needle into the self-sealing septum. The connector includes one or more locking arms, with barbs at the end, to connect with one or more recesses that are provided in the cannula housing.
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Citations
25 Claims
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1. An infusion set for subcutaneous administration of a fluid, comprising:
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a cannula housing defining a fluid passageway along a longitudinal axis thereof, the cannula housing including an arcuate guide rail and a cannula, said cannula being in fluid communication with the passageway and configured to be placed into the skin of a patient; and
a connector adapted to be connected to the cannula housing, the connector comprising a guide arm configured to mate with the arcuate guide rail, and a locking arm having a barb, wherein the cannula housing further defines a recess therein adjacent said fluid passageway, said recess being adapted to receive the barb when the connector is connected to the cannula housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A cannula housing for subcutaneous administration of a fluid, said housing comprising:
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a projection defining a passageway therethrough;
a cannula in fluid communication with the passageway and configured to be placed into the skin of a patient;
an arcuate guide rail formed on an external surface of the projection and configured to mate with an arcuate portion of a connecting device; and
a recess adapted to receive an end of a locking arm extending outwardly from the connecting device. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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22. An infusion set for subcutaneous administration of a fluid, comprising:
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a cannula housing defining a fluid passageway along a longitudinal axis thereof, the cannula housing including a guide opening adjacent the fluid passageway and a cannula, said cannula being in fluid communication with the passageway and configured to be placed into the skin of a patient; and
a connector adapted to be connected to the cannula housing, the connector comprising a guide pin and a locking arm having a barb, wherein the cannula housing further defines a recess therein, said recess being adapted to receive the barb and said guide opening being adapted to receive the guide pin when the connector is connected to the cannula housing. - View Dependent Claims (23)
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24. An infusion set for subcutaneous administration of a fluid, comprising:
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a cannula housing defining a fluid passageway along a longitudinal axis thereof and a guide recess adjacent the passageway, the cannula housing including a cannula in fluid communication with the passageway and configured to be placed into the skin of a patient; and
a connector adapted to be connected to the cannula housing, the connector comprising a guide rail to mate with said guide recess, and a locking arm having a barb, wherein the cannula housing further defines a barb-receiving recess therein, said barb-receiving recess being adapted to receive the barb when the connector is connected to the cannula housing. - View Dependent Claims (25)
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Specification