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10/29/09 - USPTO Class 600 |  13 views | #20090270722 | Prev - Next | About this Page  600 rss/xml feed  monitor keywords

Device for assisting the positioning of medical devices

USPTO Application #: 20090270722
Title: Device for assisting the positioning of medical devices
Abstract: In one embodiment, a needle guide is attached to the end of an ultrasonic probe in a manner such that the needle will follow a known trajectory under control of the needle guide. The surgeon then positions the needle guide by looking at the ultrasound image formed from the ultrasound radiated from the probe. In one embodiment, the needle guide has a release mechanism that allows the needle (or other medical device) that had been positioned in the guide to remain in the patient when the probe is removed. In one embodiment, the needle guide is designed to be releasably mounted to a bracket which, in turn, is releasably mounted to the end of the probe. (end of abstract)



Agent: Fulbright & Jaworski L.l.p - Dallas, TX, US
USPTO Applicaton #: 20090270722 - Class: 600424 (USPTO)

Device for assisting the positioning of medical devices description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20090270722, Device for assisting the positioning of medical devices.

Brief Patent Description - Full Patent Description - Patent Application Claims
  monitor keywords CROSS-REFERENCE TO RELATED APPLICATION

This application is a continuation of, and claims priority to U.S. patent application Ser. No. 10/766,707 filed Jan. 28, 2004, entitled SYSTEMS AND METHODS FOR ASSISTING IN POSITIONING OF MEDICAL DEVICES. Which claims priority to U.S. Provisional Patent Application No. 60/528,505 filed Dec. 10, 2003, entitled DEVICE FOR ASSISTING THE POSITIONING OF MEDICAL DEVICES, and, the disclosures of which are hereby incorporated by reference in their entirety.

TECHNICAL FIELD

This invention relates to medical positioning devices and more particularly to systems and methods for using imaging equipment, such as ultrasound, for assisting in the placement of a medical device.

BACKGROUND

Proper positioning of medical devices, such as needles, catheters, drills, saws and even scalpels, is critical in the proper performance of certain medical procedures. Often the surgeon must look at a screen while trying to manually position a medical device, and thus can not look directly at the device. This is difficult at best and sometimes results in improper angles of attack and could result in improper placement of the medical device.

SUMMARY

In one embodiment, a needle guide is attached to the end of an ultrasonic probe in a manner such that the needle will follow a known trajectory under control of the needle guide. The surgeon then positions the needle guide by looking at the ultrasound image formed from the ultrasound radiated from the probe.

In one embodiment, the needle guide has a release mechanism that allows the needle (or other medical device) that had been positioned in the guide to remain in the patient when the probe is removed.

The foregoing has outlined rather broadly the features and technical advantages of the present invention in order that the detailed description of the invention that follows may be better understood. Additional features and advantages of the invention will be described hereinafter which form the subject of the claims of the invention. It should be appreciated that the conception and specific embodiment disclosed may be readily utilized as a basis for modifying or designing other structures for carrying out the same purposes of the present invention. It should also be realized that such equivalent constructions do not depart from the invention as set forth in the appended claims. The novel features which are believed to be characteristic of the invention, both as to its organization and method of operation, together with further objects and advantages will be better understood from the following description when considered in connection with the accompanying figures. It is to be expressly understood, however, that each of the figures is provided for the purpose of illustration and description only and is not intended as a definition of the limits of the present invention.

DESCRIPTION OF THE DRAWINGS

FIG. 1 shows one embodiment of a probe having a medical device positioning guide mounted thereon;

FIG. 2 shows a view of the positioning guide of FIG. 1;

FIG. 3 shows one embodiment of a medical device guide and release mechanism based on the embodiment of FIG. 1;

FIG. 4 shows one embodiment of a needle held by the medical device guide;

FIG. 5 shows details of one embodiment of the release mechanism based on the embodiment of FIG. 1;

FIG. 6 illustrates how the release mechanism of FIG. 5 releasably mates with the device guide of FIG. 1;

FIGS. 7A, 7B and 7C illustrate the releaseable mating of the device bracket with the probe;



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Brief Patent Description - Full Patent Description - Patent Application Claims

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