DRUG INFUSION SYSTEM WITH REUSABLE AND DISPOSABLE COMPONENTS
First Claim
1. A drug infusion system comprising:
- a base configured to receive a cannula that delivers a drug to beneath a wearer'"'"'s skin, the base further including a base surface arranged to attach to the skin of the wearer, the base arranged to dispose the cannula to extend from the base surface to beneath the wearer'"'"'s skin; and
a reusable drug dispenser removably attachable to the base and having a pump unit configured to establish fluid communication between a removably attachable drug reservoir and the cannula, whereby the pump unit pumps the drug to the wearer upon activation of the pump by the wearer.
2 Assignments
0 Petitions
Accused Products
Abstract
The application discloses a drug infusion system comprising a base and a drug dispenser. The base is configured to receive a cannula that delivers a drug to beneath a wearer'"'"'s skin. The base is attachable to the skin of the wearer. The reusable drug dispenser is removably attachable to the base and has a pump unit configured to establish fluid communication between a removably attachable drug reservoir and the cannula. The pump unit pumps the drug to the wearer upon activation by the wearer. The pump unit may have an inlet to contact the drug within the reservoir, which may be a needle. The pump unit may also have a receiving unit to receive the reservoir. Such a receiving unit may be a tubular for a cylindrical reservoir, or may have a cavity or an encasing unit to hold the reservoir.
141 Citations
22 Claims
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1. A drug infusion system comprising:
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a base configured to receive a cannula that delivers a drug to beneath a wearer'"'"'s skin, the base further including a base surface arranged to attach to the skin of the wearer, the base arranged to dispose the cannula to extend from the base surface to beneath the wearer'"'"'s skin; and a reusable drug dispenser removably attachable to the base and having a pump unit configured to establish fluid communication between a removably attachable drug reservoir and the cannula, whereby the pump unit pumps the drug to the wearer upon activation of the pump by the wearer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A drug infusion assembly comprising:
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a base including a base surface arranged to attach to the skin of a wearer, the base including a cannula arranged to extend from the base surface to beneath the wearer'"'"'s skin and an inlet in fluid communication with the cannula; and a pump unit removably attachable to the base, the pump unit having a cavity and a latch assembly within the cavity, the cavity being arranged to receive a cartridge reservoir therein and the latch assembly being arranged to releasably lock the cartridge reservoir within the cavity, the pump unit being configured to establish fluid communication between the releasably locked cartridge reservoir and the inlet of the base and to pump a liquid medicament stored in the cartridge reservoir to the inlet of the base and the cannula upon activation by the wearer.
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12. A drug infusion system comprising:
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a base having a cannula well arranged to receive a cannula that conducts the drug to beneath a wearer'"'"'s skin, the base further including a base surface arranged to attach to the skin of the wearer, the base including the cannula well and arranged to dispose a cannula to extend from the base surface to beneath the wearer'"'"'s skin, the base further including an inlet arranged to receive the drug, a conduit that conducts the drug from the inlet to the cannula well, and a first self sealing penetrable barrier moveable with respect to the inlet; and a reusable drug dispenser removably attachable to the base and having a second self sealing penetrable barrier, a reservoir arranged to hold the drug, and a pump that pumps the drug to the second self sealing penetrable barrier, the first and second self sealing penetrable barriers being arranged to engage each other and be penetrated by the inlet of the base when the reusable dispenser is attached to the base to form an antiseptic connection between the cannula well and the reservoir. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification