JP2006527623A5 - - Google Patents

Claims (61)

A medical grade deformation comprising an axial member and a pliable tube mounted on the axial member and adapted to deform from a first smaller diameter configuration to a second larger diameter configuration. vessel. The deformer according to claim 1, wherein the tube is provided with a slot penetrating its thickness. The deformer according to claim 1, wherein the tube is not provided with a slot. The deformer of claim 1, comprising at least one end adapted to apply a compressive force to the tube to engage one end of the tube and effect the deformation. 5. The apparatus of claim 4, comprising at least a first end that engages with a second end and a second end adapted to cooperate with the first end to shrink the tube. Deformer. 6. The deformer of claim 5, wherein the two engaging ends and the axial member are secured to maintain the compliant tube in a large diameter configuration. The deformer according to claim 1, wherein the configuration of the tube is changed by axial compression. The deformer of claim 1, wherein the axial member is rigid. The deformer of claim 1, wherein the axial member is flexible. The deformer of claim 1, wherein the axial member extends out of the tube and is attached to a handle. The deformer of claim 1, wherein the axial member comprises an opening mechanism for releasing the deformer from a delivery system. 12. A deformer according to claim 11, wherein the axial member comprises a locking mechanism for locking the deformer in a large diameter configuration in conjunction with opening. The deformer of claim 1, wherein the deformer includes a conduit adapted to flow of bone filler. The deformer of claim 13, wherein the conduit is formed in the axial member. The deformer of claim 13, wherein the conduit is formed between the axial member and the tube. The deformer of claim 1, wherein the axial member extends from the tube and is adapted to function as a joint hinge . The deformer according to claim 1, wherein the deformer forms a bone attachment unit as a prosthesis. The deformer according to claim 1, further comprising a storage bag surrounding the tube in the second configuration. The deformer according to claim 1, wherein the bag is biodegradable in the body. The deformer of claim 18, wherein the bag is porous. The deformer of claim 1, wherein the deformer defines a total volume of a cylinder shape when in the second configuration. The deformer according to claim 1, wherein when the deformer is in the second configuration, a total volume of a pyramid shape with a tip portion cut off is defined. The deformer according to claim 1, wherein the deformer defines a rotationally asymmetric total volume in an axial direction when in the second configuration. The deformer according to claim 1, wherein the deformer defines a predetermined total volume when in the second configuration. The deformer according to claim 1, wherein the deformer comprises areas of different materials adjacent in the direction of a set of axes. The deformer of claim 1, wherein the deformer has a non-smooth outer surface in the second configuration. The deformer of claim 1, wherein the deformer is sufficiently stiff to withstand at least 50 kg of cross-axial force when in the second configuration. The deformer according to claim 1, wherein the deformer has a force applied in an axial direction of at least 2 kg in the second configuration. The deformer of claim 1, wherein the compliant material has a Shore hardness between 50A and 90D. The deformer of claim 1, wherein the compliant material is non-metallic. The deformer according to claim 1, wherein the flexible material is a polymer. The deformer of claim 1, wherein the deformer includes at least one axial screw. The deformer of claim 1, wherein the deformer includes at least one circumferential screw. The deformer of claim 1, wherein the deformer defines a total volume in the second configuration, and the deformer fills at least 30% of the volume. The deformer of claim 1, wherein the deformer defines a total volume in the second configuration, and the deformer fills at least 50% of the volume. A plurality of slots such that when the tube is deformed to a second configuration, a plurality of axially offset foliates extend from the tube to define the second configuration The deformer according to claim 1, wherein 37. The deformer of claim 36, wherein the tube defines a leaf that is offset in the direction of at least three axes. 37. The deformer of claim 36, wherein adjacent fronds support each other in the second configuration. 37. The deformer of claim 36, wherein the leaf at the end is shorter than the leaf at the non-end. 37. The deformer of claim 36, wherein a leaf at the end is supported on one side thereof by the end cap of the deformer. 37. A deformer as claimed in claim 36, wherein adjacent leaves are deformed relative to one another. 37. The deformer of claim 36, wherein at least 50% of the fronds are deformed from a plane. A first configuration having a smaller diameter, and the deformer is adapted such that the smaller diameter is larger and remains substantially undeformed under a force exceeding 10 kg; A deformer comprising a non-inflatable, substantially non-absorbable, deformable, non-metallic body having two configurations with a second configuration that is sized to be located inside a human spine. 44. The deformer of claim 43, adapted to keep the deformer substantially undeformed when standing in a human lumbar vertebra. 44. The deformer of claim 43, wherein the deformer self-expands. 44. The deformer of claim 43, which is part of a kit that includes a spinal access tool. Insertion of a non-inflatable, non-absorbable deformable deformer into the spine, and deformation such that the deformer causes the cortical bones of the spinal surface of the spine to move relative to each other. Surgery method. A method of handling bone, comprising inserting an unsealed compliant element into the bone and mechanical deformation of the compliant element such that the compliant element applies a force to deform the bone. 49. The method of claim 48, wherein the compliant element comprises at least one open opening having a cross section greater than 0.5 x 0.5 mm. 49. The method of claim 48, wherein the bone comprises a vertebra. 49. The method of claim 48, wherein the bone comprises a long bone. Determining the desired degree of displacement, determining the amount of deformation of the deformer, suitable for achieving the deformation, inserting the preferred deformer into the bone, and achieving the displacement within 2 mm A method of achieving a desired bone misalignment, including the deformation amount and the deformation of the deformer . (A) applying compressive force; (b) retracting the overtube; (c) repeating (a) and (b) to deform portions of the deformer to a larger diameter; and (D) A method of deforming a medical deformer comprising finally applying a compressive force to harden the deformer. 54. The method of claim 53, wherein the iteration is intermittent. (A) the first balloon, (b) the second storage balloon, and (c) the inner balloon is first inflated so that the inner balloon constrains the expanding direction of the outer balloon, An inflatable bone movement element comprising a double balloon air injector adapted to then inflate the outer balloon. A distal end adapted to be inserted into the spine through a cannula, a proximal body including a handle, and a length to maintain the distance between the body and the cannula, thereby A deformer delivery system comprising: a spacer adapted to maintain a relative position of the distal end and the spine. 57. The system of claim 56, wherein the spacer is integral to the system. (A) an overtube; (b) an overtube retractor; (c) an extrusion element adapted to deform the deformer; and (d) the overtube in synchronization with the advancing extrusion element. A deformer delivery system that is adapted to retract and the retractor includes a synchronization mechanism such that the pusher element is delayed until after a given amount of deformation of the deformer has begun. (A) an overtube; (b) an overtube retractor; (c) an extrusion element adapted to deform the deformer; and (d) the retractor also when the extrusion element is retracted. A deformable delivery system comprising: a synchronization mechanism adapted to retract the overtube and adapted to retract the overtube synchronously with the advancing pusher element. (A) an overtube; (b) an overtube retractor; (c) an extrusion element adapted to deform the deformer; and (d) the overtube in synchronization with the advancing extrusion element. A deformer delivery system comprising a synchronization mechanism adapted to retract, wherein an axial extent of the delivery system is less than 130% of a range of motion of the pusher element. 61. The deformer delivery system of claim 60, wherein the axial range is less than 100% of the range of motion.