Hemostatic clip

Details Hemostatic clip Hemostatic clip

1990-08-27

1991-06-25

Pellegrino, Stephen C.

Surgery

Instruments

Surgical mesh, connector, clip, clamp or band

606157, A61B 1700

Patent

active

050263820

ABSTRACT:
Disclosed is a hemostatic clip formed into a horseshoe shape from material having a generally triangular cross-section. The mating edges of the clip contain a groove used to provide space for the walls of the vessel when the clip is applied. The groove is located approximately in the center of the mating surfaces, and its width is less than one third the width of the mating surfaces. Because the width is less than one third of the mating surfaces, the other two thirds of the mating surfaces are too wide to fit into the groove, should the clip be applied in a misaligned manner. A plurality of slots in the occlusive surface of the clip help to hold the clip in position on a vessel, once the clip has been clamped into place. After the slots have been placed into the clip, the clip is processed in a tumbling operation to remove any serrations around the slots or at any other place on the clip. Thus, no protrusions remain around the slots to puncture a vessel during ligation. The triangular shape of the clip allows the clip to better fit into the jaws of the applier.

REFERENCES:
patent: 3363628 (1968-01-01), Wood
patent: 4702247 (1987-10-01), Blake, III et al.
patent: 4799481 (1989-01-01), Transue et al.
patent: 4844066 (1989-07-01), Stein
patent: 4976722 (1990-12-01), Failla
patent: 4979950 (1990-12-01), Transue et al.

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