Cam action detachment for tracheostomy tube
A technology of tracheostomy and actuating mechanism, which is applied in the direction of tracheal intubation, balloon catheter, catheter, etc., and can solve the problems of damage to tracheostomy, damage to soft tissue, enlargement, etc.
Active Publication Date: 2012-07-18
AVENT INC
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- Description
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- Application Information
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Problems solved by technology
But this mandatory connection system must be easily and smoothly disengaged
If not, more force is required, which increases the risk of damaging the tracheostomy or the soft tissue of the trachea wall when forced into contact with the distal end of the tracheostomy tube
Method used
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[0022] A tracheostomy is an emergency procedure in which the patient breathes directly through the windpipe. There are also many who believe that tracheostomy can prevent or delay the onset of ventilator-associated pneumonia (VAP). Unfortunately, this first aid procedure is time consuming, and current first aid techniques require many steps and many equipment components that need to be maintained sterility and functional suitability to achieve satisfactory results. A tracheostomy procedure involves making a stoma in the windpipe, dilating the stoma, and then placing a tracheostomy tube.
[0023] As noted above, once the tracheostomy tube is in place, other accessories can be readily connected to the tracheostomy tube in a similar manner to the loading catheter for specific medical procedures. The term "accessory" as used herein is meant to include any accessory or accessory component used with a tracheostomy tube. Examples of accessories include loading catheters, cannulae, ...
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There is provided a mechanism for gently detaching a loading catheter from a tracheostomy tube once the tube is placed in the trachea of a patient. After dilating the trachea, a loading catheter is inserted into a tracheostomy tube with which it desirably engages. Once the loading catheter and tracheostomy tube are attached to each other, the entire unit is passed through the stoma until the flange of the tracheostomy tube is in contact with the throat. The loading catheter may then be removed by rotating or twisting the loading catheter handle. The loading catheter and tracheostomy tube have a cam-action mechanism that gently forces the two parts apart as they are rotated relative to each other.; This "cam action" disengagement allows for the removal of the loading catheter without subjecting the trachea or throat to undue pressure or forces that might cause trauma or increase recovery time. Other accessories like cannulas and obturators may attach and detach from the tracheostomy tube in a like manner.
Description
Background technique [0001] Intubation of the tracheostomy tube can be achieved by making a horizontal incision in the skin of the neck allowing access to the trachea, dilating the incision, and then inserting the tracheostomy tube. A number of systems have been developed to properly accomplish tracheostomy tube placement, including, for example, that developed by Cook Medical and using the Blue system of dilators (see also US Pat. No. 6,637,375). In the Cook system, by Blue The card expander does the initial expansion. After the expansion is complete, remove the Blue The tracheostomy tube is introduced through the catheter using a second "loading dilator" that fits snugly inside the tracheostomy tube. The catheter, second dilator and tracheostomy tube are advanced as a unit through the stoma in the tracheal wall and into the trachea. Once the tracheostomy tube is at the appropriate depth, the second dilator, catheter and guide wire are removed from the tracheostomy tu...
Claims
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IPC IPC(8): A61M16/04A61M25/02A61M25/10A61B1/04A61F2/958
CPCA61M25/00A61M16/0434A61M16/0472A61M16/0465A61M29/00A61B2017/0046A61M16/0497A61M16/0443A61B1/04A61M25/02A61M25/10
Inventor S·C·陈N·C·格里菲斯M·A·科诺维斯奇J·F·舒马赫
Owner AVENT INC