Autovance feature of an intraosseous device
AssigneeBard Access Systems, Inc.
InventorsDaniel Pett, Daniel B. Blanchard, Eric W. Lindekugel, Joe Spataro, Ralph Sonderegger
Life of this patent
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Abstract
Devices and methods for an autovance intraosseous device. The autovance intraosseous device can include a trigger activated system or pressure activated system that causes a needle to advance distally for a predetermined distance. The predetermined distance ensures a needle tip extends through the bone cortex, to access the medullary cavity, without penetrating a far wall of the medullary cavity. The advancement can be driven by a spring based system or an electric motor.
Claims13
A method of accessing a medullary cavity, comprising:
- actuating an energy source;
- rotating a drive screw;
- advancing the drive screw, including an access assembly coupled thereto, a predetermined distance along a longitudinal axis;
- and
- actuating a trigger, or applying a longitudinal pressure to the access assembly, to actuate the energy source, wherein applying the longitudinal pressure to the access assembly includes sliding the drive screw proximally to transition a locking piece from a locked position to an unlocked position, the drive screw including a drive nut threadably engaged therewith and configured to abut against the locking piece.
A method of accessing a medullary cavity, comprising:
- actuating an energy source;
- rotating a drive bolt to an unlocked position, including aligning a slot extending longitudinally through a drive bolt head with a protrusion;
- and
- urging the drive bolt distally a predetermined distance, the drive bolt including an access assembly coupled to a distal end thereof.
Dependencies are inferred from the claim text.