Surgical needle

Details Surgical needle Surgical needle

1985-03-06

1987-02-24

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604161, 604 53, 604117, 604273, 128DIG18, A61M 518

Patent

active

046454918

ABSTRACT:
The invention provides a catheter placement apparatus for use in inserting a catheter to a preferred depth, the device comprising a surgical needle with a longitudinal window through which a catheter inserted into the needle can be viewed, and a catheter having a colored patch of the same length as the window and a series of spaced, visually distinct markings, proximal to the patch. The position of the catheter can be accurately located by aligning the colored patch with the window and then inserting the catheter until at least one mark appears in the window, recording the distance of a mark from the surface of the skin and using this recorded distance to relocate the catheter, if necessary.

REFERENCES:
patent: 3703174 (1972-11-01), Smith
patent: 3835854 (1974-09-01), Jewett
patent: 4054136 (1977-10-01), Von Zeppelin
patent: 4194509 (1980-03-01), Pickering et al.
patent: 4292970 (1981-10-01), Hession, Jr.
patent: 4333455 (1982-06-01), Bodicky
patent: 4354491 (1982-10-01), Marbry
patent: 4363176 (1986-01-01), Gustavsson et al.
patent: 4471778 (1984-09-01), Toye
patent: 4556059 (1985-12-01), Adamson, Jr.

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