Surgical device

Details Surgical device Surgical device

A - Human Necessities

61

B

A61B 17/02 (2006.01) A61F 2/08 (2006.01)

Patent

CA 2477108

A surgical device is disclosed which is advantageously for use in orthopaedic hand surgery where there exists the requirement to dilate a tendon sheath in order to pass a retrieved or harvested tendon through the dilated sheath. In a disclosed embodiment the device comprises an elongated body having a central bore extending from an open to a closed end, and an inflatable balloon disposed around a portion of the body portion in proximity to the closed end thereof, wherein the balloon is in fluid communication with the central bore via perforations in the outer surface of the body portion. The device also includes an aperture in the closed end for receiving a suture. Thus, the device may be progressively passed through a tendon sheath with the balloon inflated to dilate the sheath, and a tendon portion secured to the aperture in the closed end with a suture so that the tendon portion can be pulled through the dilated sheath by the device.

L'invention porte sur un appareil de chirurgie orthopédique de la main s'avérant utile lorsqu'on doit dilater une gaine tendineuse afin d'y faire passer un tendon récupéré ou prélevé. Dans une exécution, l'appareil comprend un corps allongé présentant une lumière centrale s'étendant entre son extrémité ouverte et son extrémité fermée, et un ballonnet gonflable placé autour d'une partie du corps à proximité de son extrémité fermée et communiquant avec la lumière centrale par des perforations percées dans la surface extérieure du corps. L'appareil comprend également à son extrémité fermée une ouverture destinée à recevoir un fil de suture. On peut ainsi faire passer progressivement l'appareil dans la gaine tendineuse alors que le ballonnet est gonflé pour dilater la gaine, et qu'une partie du tendon est maintenue par le fil de suture dans l'extrémité fermée afin de pouvoir la tirer dans la gaine ainsi dilatée.

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