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AssigneeHollister Incorporated
InventorsSeamus T. Kavanagh, Bettakeri S. Udayakumar, James J. Passalaqua, Kai Jorgensen, Thomas H. Gilman
Estimating the term…
A catheter assembly and method is disclosed which comprises a catheter having a coating on at least a part of its length intended to produce a low-friction surface on the catheter when treated with an activating substance in the form of a vapor. The catheter assembly also includes a catheter package forming an interior space divided by a gas permeable, liquid impermeable barrier into a first cavity and a second cavity. The first cavity of the catheter package accommodates the catheter therein and the second cavity accommodates at least a quantity of liquid in its liquid phase therein. The liquid in the second cavity can change phase into a vapor capable of passing from the second cavity, through the barrier, and into the first cavity where the vapor can activate the coating. As a result, the vapor produced when the liquid changes phase causes the coating on the catheter to be activated to thereby produce the low-friction surface on the catheter so it is ready-to-use when it reaches the end user.
A catheter assembly comprising a catheter having a hydrophilic coating on at least a part of its length intended to produce a low-friction surface on the catheter when treated with a hydrating substance, a catheter package formed of a gas impermeable sheet material defining an interior space, a gas permeable, liquid impermeable mid-package film or membrane secured to the sheet material forming the catheter package, the mid-package film or membrane cooperating with the sheet material to physically divide the interior space in the catheter package into first and second cavities, the first cavity accommodating the catheter and the second cavity accommodating a wicking material and a rupturable container enclosing a quantity of liquid, the wicking material being disposed within the second cavity for liquid flow communication with the rupturable container to absorb the liquid when the rupturable container has been breached, the liquid absorbed by the wicking material being capable of changing phase into vapor capable of passing from the second cavity, through the gas permeable, liquid impermeable mid-package film or membrane, and into the first cavity, the vapor passing into the first cavity serving as the hydrating substance for treatment of the hydrophilic coating to produce the low-friction surface on the catheter.
A catheter assembly comprising a catheter having a hydrophilic coating on at least a part of its length intended to produce a low-friction surface on the catheter when treated with a hydrating substance, a catheter package formed of a gas impermeable sheet material defining an interior space, a gas permeable, liquid impermeable mid-package film or membrane secured to the sheet material forming the catheter package, the mid-package film or membrane cooperating with the sheet material to physically divide the interior space in the catheter package into first and second cavities, the first cavity accommodating the catheter and the second cavity accommodating a wicking material, the wicking material being disposed within the second cavity for liquid flow communication with a rupturable compartment for a quantity of liquid to absorb the liquid when the rupturable compartment has been breached, the liquid absorbed by the wicking material being capable of changing phase into vapor capable of passing from the second cavity, through the gas permeable, liquid impermeable mid-package film or membrane, and into the first cavity, the vapor passing into the first cavity serving as the hydrating substance for treatment of the hydrophilic coating to produce the low-friction surface on the catheter, and wherein the rupturable compartment is distinct from the first and second cavities.
Dependencies are inferred from the claim text.