Cannula having integral suture tourniquet

Details Cannula having integral suture tourniquet Cannula having integral suture tourniquet

1999-01-19

2000-08-29

Buiz, Michael

Surgery

Instruments

Suture, ligature, elastic band or clip applier

A61B 1704

Patent

active

061101850

ABSTRACT:
A cannula having a main lumen extending therethrough is provided with a tourniquet integrally mounted to the cannula body. The tourniquet is positioned so that suture thread can be withdrawn therethrough and frictionally retained in place with respect to the cannula body. This structure is ideally suited for use in a cannula which is received in an incision surrounded by a purse string suture where the purse string suture is drawn tight to create a substantially fluid tight seal between the vessel wall and the cannula. The tourniquet lumens can be integrally molded with the cannula body or can be fixedly mounted thereto. In addition to the tourniquet, a pressure sensing lumen can similarly be integrated into the structure of the cannula body, depending upon the particular application of the cannula. This structure of the cannula is ideally suited for use as arterial cannulas, atrium cannulas and venous cannulas.

REFERENCES:
patent: 4535770 (1985-08-01), Lemole
patent: 4796626 (1989-01-01), DeVries
patent: 5720726 (1998-02-01), Marcadis et al.

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