| 摘要 |
The present invention provides a device for guiding a medical instrument with respect to a patient. The device includes a base. The lower portion of the base includes a bottom surface having a configuration for contact with the patient. On example of such a configuration is a generally hemispherical configuration. The device also includes an instrument guide attached to the lower portion of the base. The guide has a translation axis and is configured to slideably receive the medical instrument along the translation axis. The device further includes first and second arcuate members attached to the base. The arcuate members are generally perpendicular to each other. Moreover, the device includes first and second orientation indicators connected with the first and second arcuate members.
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