Kit and methods of treatment of an intervertebral disc

A - Human Necessities – 61 – K

Patent

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A61K 38/48 (2006.01) A61M 5/00 (2006.01)

Patent

CA 2658751

Methods and kits for performing minimally invasive medical procedures are disclosed herein. In one embodiment, a kit includes a medicament including an enzyme, such as a serine protease having an ability to sensitize less than an ability to sensitize of chymopapain. The enzyme is configured to dissolve tissue within a nucleus of an intervertebral disc. A delivery device is included in the kit and is configured to be percutaneously inserted into the nucleus of an intervertebral disc and inject the medicament into the nucleus of the intervertebral disc. In some embodiments, the medicament includes subtilisin. In some embodiments, the serine protease has an antigenicity less than an antigenicity of chymopapain. A kit can also include a pressure sensor that is configured to measure a pressure within a nucleus of the intervertebral disc.

L'invention concerne des procédés et des coffrets pour effectuer des procédures médicales qui ne sont invasives que de façon minimale. Dans un mode de réalisation, un coffret comprend un médicament comprenant une enzyme, telle qu'une sérine protéase ayant une aptitude à sensibiliser inférieure à l'aptitude à sensibiliser de la chymopapaïne. L'enzyme est configurée pour dissoudre le tissu à l'intérieur du noyau d'un disque intervertébral. Un dispositif d'administration est inclus dans le coffret et est configuré pour être introduit par voie percutanée dans le noyau du disque intervertébral et pour injecter le médicament dans le noyau du disque intervertébral. Dans certains modes de réalisation, le médicament comprend de la subtilisine. Dans d'autres modes de réalisation, la sérine protéase a une antigénicité inférieure à l'antigénicité de la chymopapaïne. L'invention concerne également un coffret qui peut comprendre un détecteur de pression qui est configuré pour mesurer une pression à l'intérieur du noyau du disque intervertébral.

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