Alignment button for stereotaxic plug and method of using the sa

Details Alignment button for stereotaxic plug and method of using the sa Alignment button for stereotaxic plug and method of using the sa

1987-05-04

1989-05-02

Thaler, Michael H.

Surgery

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

Treating material introduced into or removed from body...

128303B, A61B 1900

Patent

active

048264873

ABSTRACT:
An alignment button includes cannula and radiopaque markers exactly mimicing corresponding elements in a stereotaxic array plug. The stereotaxic array plug is installed in an opening in the skull and the scalp is closed over it. The alignment button is sutured in place with its cannula exactly aligned with corresponding cannula in the stereotaxic array plug. Alignment is performed using medical imaging capable of showing simultaneously the radiopaque marker in both elements. In one embodiment of the invention, jaws protrude inward into the cannula to stabilize a medical device inserted therethrough. In a further embodiment of the invention, the alignment button is affixed over soft tissue without being accompanied by a stereotaxic array plug.

REFERENCES:
patent: 4629451 (1986-12-01), Winters et al.

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