| 主权项 |
1. A catheter device comprising:
a tubular body comprising at least one lumen, the tubular body configured for insertion into an intervertebral disc; and a first pressure measuring device disposed at a distal portion of the tubular body, the pressure measuring device configured to measure the pressure within the intervertebral disc, wherein the first pressure measuring device comprises an expandable member and a pressure sensor disposed on the expandable member and configured to measure the pressure within the expandable member in order to measure the pressure within the intervertebral disc; a second pressure measuring device comprising a fiber optic sensor coupled to the tubular body proximate the distal portion, and a fiber optic cable coupled to the fiber optic sensor and extending at least partially through one of the at least one lumen; and a first anchor attached to the tubular body and having a first attachment member configured for placement inside, and attachment to, the intervertebral disc and a second anchor attached to the tubular body and having a second attachment member configured for placement outside, and attachment to, the intervertebral disc. |
