Infusion set with safety device
First Claim
Patent Images
1. An infusion set comprising:
- an infusion base for attachment to a user, the infusion base including threads;
an infusion cannula extending from the infusion base, the infusion cannula comprising a piercing part at an open end for piercing the user'"'"'s skin;
a hub connectable to the infusion base;
a tube set comprising one end attached to the hub and an open end, the open end of the tube set comprising a connector including threads, the connector (1) being attached to the threads of the infusion base to protect the piercing part of the infusion cannula when infusate is not being dispensed, and (2) being removable from the threads of the infusion base and attachable to an infusion pump for dispensing infusate.
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Accused Products
Abstract
An infusion set includes a base with a rigid piercing cannula or a soft catheter and rigid introducer needle. The infusion set also includes a line set with a fluid connector. The base and line set are configured such that the fluid connector can be used as a protector for the piercing cannula or the soft catheter, either before the device is attached to a user, or after the device is detached from the user, or both.
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Citations
15 Claims
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1. An infusion set comprising:
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an infusion base for attachment to a user, the infusion base including threads; an infusion cannula extending from the infusion base, the infusion cannula comprising a piercing part at an open end for piercing the user'"'"'s skin; a hub connectable to the infusion base; a tube set comprising one end attached to the hub and an open end, the open end of the tube set comprising a connector including threads, the connector (1) being attached to the threads of the infusion base to protect the piercing part of the infusion cannula when infusate is not being dispensed, and (2) being removable from the threads of the infusion base and attachable to an infusion pump for dispensing infusate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for using an infusion set having an infusion cannula and a fluid connector, comprising:
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inserting the infusion cannula into a skin of a user, the infusion cannula extending from a base and comprising a piercing part at an open end of the infusion cannula, a hub being connectable to the base and attached to a first end of a tube set, the tube set including a second end comprising the fluid connector; connecting the fluid connector to an infusion pump for dispensing infusate, the fluid connector and the base both including threads; applying infusion therapy through the infusion cannula; removing the infusion cannula from the user; disconnecting the fluid connector from the infusion pump; and attaching the threads of the fluid connector to the threads of the base to cover the infusion cannula to prevent external contact with the infusion cannula.
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15. A method for using an infusion set having a base, an infusion cannula and a fluid connector, comprising:
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securing threads of the fluid connector to threads of the base to cover the infusion cannula to prevent external contact with the infusion cannula, the infusion cannula extending from the base and comprising a piercing part at an open end of the infusion cannula, a hub being connectable to the base and attached to a first end of a tube set, the tube set including a second end comprising the fluid connector; detaching the fluid connector from the base prior to infusion therapy; inserting the infusion cannula into a skin of a user; connecting the fluid connector to an infusion pump; and applying infusion therapy through the infusion cannula.
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Specification