A method in which a location is determined on the skin that is proximate to a sensory nerve that is associated with a painful condition. At least one needle of a cryogenic device is inserted into the location on the skin such that the needle is proximate to the sensory nerve. The device is activated
A method in which a location is determined on the skin that is proximate to a sensory nerve that is associated with a painful condition. At least one needle of a cryogenic device is inserted into the location on the skin such that the needle is proximate to the sensory nerve. The device is activated such that the at least one needle creates a cooling zone about the sensory nerve, thereby eliminating or reducing severity of the painful condition.
대표청구항▼
1. A method for reducing knee pain experienced by a patient, the method comprising: determining a location of a zone with reference to a skin surface adjacent to a nerve associated with pain of a knee of a leg;inserting at least one needle of a cryogenic device through the skin and into the zone;app
1. A method for reducing knee pain experienced by a patient, the method comprising: determining a location of a zone with reference to a skin surface adjacent to a nerve associated with pain of a knee of a leg;inserting at least one needle of a cryogenic device through the skin and into the zone;applying a series of adjacent cooling treatments along a treatment line, the treatment line formed by the series of adjacent cooling treatments being transverse to a length of the nerve, the series of adjacent cooling treatments being applied by: 1) positioning the at least one needle at a plurality of positions along the treatment line for applying the series of adjacent cooling treatments that traverse the nerve such that at least one of the plurality of positions where the at least one needle is positioned is adjacent to the nerve;2) activating the cryogenic device at each of the plurality of positions such that the at least one needle creates a cooling zone at each of the plurality of positions along the treatment line and about the nerve, thereby blocking signals along the nerve and eliminating or reducing severity of pain; andremoving the at least one needle from the tissue after treatment. 2. The method of claim 1, wherein nerve stimulation is not used to determine the location of the zone. 3. The method of claim 1, wherein body landmarks are used to determine the location of the zone. 4. The method of claim 3, wherein the zone has an superior boundary defined by a midline of a patella of the leg. 5. The method of claim 3, wherein the zone has an inferior boundary defined by a tibial tubercle of the leg. 6. The method of claim 3, wherein the zone has a medial boundary defined by a distance lateral to a medial aspect of a patellar tendon of the leg. 7. The method of claim 6, wherein the distance is between 36 and 55 mm. 8. The method of claim 3, wherein the zone has a lateral boundary defined by a distance lateral to a lower pole of a patella of the leg. 9. The method of claim 8, wherein the distance is between 46 and 64 mm. 10. The method of claim 3, wherein the zone is defined by a medial, lateral, superior, and inferior boundary, and further comprising creating a plurality of cooling zones along the medial boundary between the superior and inferior boundary. 11. The method of claim 3, wherein the zone is defined by a medial, lateral, superior, and inferior boundary, and wherein the plurality of cooling zones are created along the medial and lateral boundaries between the superior and inferior boundary. 12. The method of claim 1, wherein the cryogenic device comprises a plurality of needles, and the plurality of needles of the cryogenic device are inserted into the zone to create the cooling zone. 13. The method of claim 1, wherein the needle is positioned adjacent a saphenous nerve, a lateral femoral cutaneous nerve, or an anterior femoral cutaneous nerve. 14. The method of claim 13, wherein the needle is positioned adjacent an infrapatellar branch of the saphenous nerve. 15. The method of claim 14, wherein the knee pain is associated with osteoarthritis. 16. The method of claim 13, wherein the cooling zones cause Wallerian degeneration to occur at the nerve. 17. The method of claim 1, wherein the location is determined by nerve stimulation. 18. A method for reducing knee pain experienced by a patient, the method comprising: determining a location of a zone with reference to a skin surface adjacent to a nerve associated with pain of a knee of a leg;inserting at least one needle of a cryogenic device through the skin and into the zone along an insertion axis;bending the needle after insertion through the skin away from the insertion axis; andafter bending the needle away from the insertion axis, advancing the needle to position the needle adjacent to the nerve; andactivating the cryogenic device such that the at least one needle creates a cooling zone about the nerve, thereby eliminating or reducing the severity of pain. 19. The method of claim 18, wherein the needle has a blunt distal tip. 20. A method for reducing knee pain experienced by a patient, the method comprising: positioning a treatment surface of a cryogenic device within a treatment zone below skin of a patient body, wherein the treatment zone is proximate a selected branch of a nerve associated with osteoarthritis of a joint by: identifying a region of the skin with reference to hard tissue structures identifiable tactilely or visibly through the skin;inserting at least one probe of the cryogenic device through the skin and into the zone along an insertion axis;bending the probe after insertion through the skin away from the insertion axis; andafter bending the needle away from the insertion axis, advancing the probe of the cryogenic device through the skin and into the treatment zone underlying the region to position the probe adjacent to the nerve;activating the device such that the at least one probe creates a cooling zone about the selected branch, the cooling zone inducing Wallerian degeneration of the selected branch so as to eliminate or reduce severity of pain caused by the osteoarthritis. 21. The method of claim 1, further comprising: applying a second series of adjacent cooling treatments along a second treatment line, the second treatment line formed by the series of adjacent cooling treatments being transverse to a length of the nerve at a second location, the second series of adjacent cooling treatments being applied by: 1) positioning the at least one needle at a plurality of positions along the second treatment line for applying the second series of adjacent cooling treatments that traverse the nerve at the second location such that at least one of the plurality of positions where the at least one needle is positioned is adjacent to the nerve;2) activating the cryogenic device at each of the plurality of positions such that the at least one needle creates a cooling zone at each of the plurality of positions along the second treatment line and about the nerve, thereby blocking signals along the nerve and eliminating or reducing severity of pain; andremoving the at least one needle from the tissue after treatment. 22. The method of claim 18, further comprising applying a series of adjacent cooling treatments along a treatment line, the treatment line formed by the series of adjacent cooling treatments being transverse to a length of the nerve, the series of adjacent cooling treatments being applied by retracting or advancing the at least one needle along the treatment line and applying another cooling treatment along the treatment line to apply the series of adjacent cooling treatments.
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