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Heated catheter for respiratory humidification

A catheter, humidified gas technology, applied in the direction of respirator, drug equipment, other medical equipment, etc., can solve the problems of manufacturability and reliability, lack of connection, lack of connection, and difficult to work with thin guide wire size.

Inactive Publication Date: 2015-10-21
CAREFUSION 2200 INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the manufacturability and reliability of this guidewire results in a lack of connection between the guidewire and the power source that supplies the current to the guidewire
Specifically, the size of the thin guidewire can make it difficult to work
Therefore, lack of connection can occur during manufacturing, during transportation, or during use

Method used

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  • Heated catheter for respiratory humidification
  • Heated catheter for respiratory humidification
  • Heated catheter for respiratory humidification

Examples

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Embodiment Construction

[0014] In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration specific embodiments in which the invention may be practiced. In this regard, directional terms such as "top", "bottom", "front", "rear", "head", "tail", etc., are used with reference to the described (one or more) Attached directions. Since components in the embodiments may be oriented in a number of different orientations, the above directional terms are used for descriptive purposes only and are not to be construed as limiting in any way. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not to be construed as limiting, and the scope of the invention is defined by the appended claims.

[0015] It should be understood that the features of the va...

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Abstract

A conduit for carrying humidified gases includes a tube extending between a first end and a second end and a helical wire positioned in the tube. The helical wire is formed of a conductive core defining a shape of the helical wire. An electrical receptacle is positioned at the first end of the tube and electrically coupled to the communication ends of the helical wire.

Description

Background technique [0001] Respiratory humidification systems are used to provide respiratory therapy to patients. Typically, the system includes a ventilator, humidifier, and patient circuit. The ventilator supplies air to the humidification chamber, which is coupled to the humidifier. The water in the humidification chamber is heated by the humidifier, which produces water vapor that humidifies the air in the chamber. Humidified gas is then carried from the chamber through the patient circuit to the patient. One or more conduits of the patient circuit may be heated to minimize condensation within the conduits. [0002] One current heating catheter utilizes a helical heating wire formed of thermoplastic material to maintain the shape of the wire within the catheter. Due to changes in catheter temperature during packaging, shipping, fitting, and use, the stiffness of thermoplastic guidewires can vary drastically, causing problems associated with catheter use. For example...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M16/08
CPCA61M16/0875A61M16/1075A61M16/1085A61M16/1095A61M16/16A61M2205/3633A61M2205/3653A61M16/0816A61M16/0833A61M16/0841
Inventor N·A·科内夫R·A·威尔代
Owner CAREFUSION 2200 INC
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