Method and subcutaneous apparatus for facilitating the...

A - Human Necessities – 61 – M

Patent

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A61M 25/00 (2006.01)

Patent

CA 2637512

A medical apparatus and method of use for implanting a catheter in a patient's body which catheter can be easily positioned, repositioned, and replaced. The apparatus includes an elongate sleeve intended to be subcutaneously implanted. The sleeve comprises a wall surrounding an interior elongate passageway which extends from a sleeve proximal end to a sleeve distal end. The sleeve outer peripheral surface carries a layer of porous material intended to be placed just under the patient's outer skin layer in contact with the dermis to promote tissue ingrowth for anchoring the sleeve and forming an infection resistant barrier. The sleeve passageway includes a sealing nib dimensioned to engage the outer surface of the catheter while permitting the catheter to slide relative to the sleeve. The sealing nib prevents deleterious material from migrating into the patient's body along the catheter outer surface.

L'invention concerne un appareil médical et une méthode d'utilisation pour implanter un cathéter dans le corps d'un patient, ledit cathéter pouvant être facilement placé, repositionné et remplacé. L'appareil comprend un manchon allongé prévu pour une implantation sous-cutanée. Le manchon consiste en une paroi qui entoure un passage interne allongé qui s'étend d'une extrémité proximale du manchon à une extrémité distale du manchon. La surface périphérique externe du manchon comporte une couche de matériau poreux à placer juste sous la couche externe de la peau du patient en contact avec le derme pour faciliter une interposition de tissu pour ancrer le manchon et former une barrière de résistance aux infections. Le passage du manchon inclut un rebord d'étanchéité dimensionné pour entrer en contact avec la surface externe du cathéter en permettant au cathéter de glisser par rapport au manchon. Le rebord d'étanchéité empêche un matériel nuisible de migrer dans le corps du patient le long de la surface externe du cathéter.

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