Guidance device for C. T. guided drainage and biopsy procedures

Details Guidance device for C. T. guided drainage and biopsy procedures Guidance device for C. T. guided drainage and biopsy procedures

1990-02-13

1992-04-07

Mancene, Gene

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

128DIG26, 606108, 33512, A61M 500

Patent

active

051023911

ABSTRACT:
A guidance device for use in performing C.T. guided needle loaded catheter drainage and needle biopsy procedures includes a needle or catheter support to which the needle or catheter is releasably fastened. A pendulum pivotally depends from a pivot point on the catheter support under the force of gravity. A protractor is secured to either the catheter support or the depending pendulum to indicate the relative angular relationship between the catheter and the pendulum, and thereby indicate the angle formed between the catheter and either a horizontal or vertical axis. Having previously determined the angle at which the catheter is to be inserted into the patient's body, the user rotates the angular position of the catheter until the protractor reading matches the desired angle.

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Frederick et al., "A Light-Guidance System to be Used for CT-Guided Biopsy", Radiology, vol. 154, No. 2, Feb. 1985, pp. 535-536.
Hruby et al., "A New Device for CT-Guided Biopsy and Puncture: Experimental and Clinical Data", Scientific Program of the Radiological Society of North American, Dec. 1986, Works in Progress-General Diagnosis Abstracts, vol. 161 (p), p. 347.

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