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

1987-04-27

1988-03-29

Pellegrino, Stephen C.

Surgery

Truss

Pad

128DIG26, 604116, A61B 1700

Patent

active

047336617

ABSTRACT:
A handheld guidance device for use in conjunction with a C.T. scanner allows a user to accurately place a catheter within a patient's body. The guidance device includes a generally planar base including a bubble level to aid in maintaining the base horizontal. A needle support arm is pivotally secured to the base adjacent one end thereof, and a cooperating protractor indicates the relative angular relationship between the needle support arm and the base. Needle guides are provided on the support arm for slidingly supporting the catheter at a desired angle as the catheter is inserted into the patient's body. Graduations are marked on the needle support arm for indicating the depth of insertion. A reference line formed upon the base is adapted to be aligned with a transverse light beam projected by the C.T. scanner.

REFERENCES:
patent: 2409432 (1946-10-01), Hubbard
patent: 2451183 (1948-10-01), Tantimonaco
patent: 4058114 (1977-11-01), Soldner
patent: 4212297 (1980-07-01), Trosch et al.

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