Sizing and positioning adapter for medical instruments

摘要

In accordance with the present invention there is provided apparatuses and methods for using a medical instrument including a sizing and positioning adapter. The apparatus comprises an adapter for a medical instrument, the adapt having a body having a shim portion and an instrument holding portion adjacent the shim portion, wherein the shim portion provides an enlarged peripheral surface adjacent the medical instrument such that when the medical instrument is held in the instrument holding portion and the medical instrument and body are inserted through an opening in a patient tissue, at least a portion of the enlarged peripheral surface is in contact with at least a portion of the periphery of the opening in the patient tissue.

主权项

1. An adapter for a medical instrument, the adapter comprising:
a body having a shim portion and an instrument holding portion adjacent the shim portion, the shim portion provides an enlarged peripheral surface adjacent the medical instrument such that when the medical instrument is held in the instrument holding portion and the medical instrument and body are inserted through an opening in a patient tissue, at least a portion of the enlarged peripheral surface is configured to contact with at least a portion of the periphery of the opening in the patient tissue, and wherein a portion of the instrument holding portion resiliently engages with a portion of the medical instrument and varies in configuration along a length of the body and a circumferentially closed distal end portion of the elongated body, the distal end portion being configured to receive the medical instrument and hold a portion of the instrument simultaneously with the instrument holding portion.