Device and method for radial delivery of a structural element
First Claim
Patent Images
1. A device for delivery of a structural element to a destination, the device comprising:
- a channel with a proximal end, a distal end, and a barrier formed across the channel at the distal end;
a plunger slidably positioned inside the channel, wherein the plunger is adapted to move the structural element axially through the channel from the proximal end to the distal end and to push it radially into the destination.
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Abstract
A device for delivery of a structural element to a destination is disclosed. The device comprises a channel and a plunger slidably positioned inside the channel. The channel has a proximal end, a distal end, and a barrier formed across the channel at the distal end. The plunger is adapted to move the structural element axially through the channel from the proximal end to the distal end and to push it radially into the destination. Methods of percutaneous fixation of a spinal compression fracture and kits for use with the methods of the present invention are also disclosed.
151 Citations
64 Claims
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1. A device for delivery of a structural element to a destination, the device comprising:
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a channel with a proximal end, a distal end, and a barrier formed across the channel at the distal end;
a plunger slidably positioned inside the channel, wherein the plunger is adapted to move the structural element axially through the channel from the proximal end to the distal end and to push it radially into the destination. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A device for percutaneous fixation of a spinal compression fracture and reexpanding a partially collapsed vertebral body in a subject by seating a rod-like structure within the vertebral body, the device comprising:
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a channel having an open proximal end and an open distal end;
an expandable sack circumferentially removably attached to the open distal end, wherein an opening in the sack communicates with the channel; and
a plunger slidably positioned inside the channel, wherein the plunger is adapted to move the rod-like structure through the channel into the vertebral body, whereby the rod-like structure is placed into the vertebral body in the sack. - View Dependent Claims (15, 16, 17)
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18. A device for percutaneous fixation of a spinal compression fracture and reexpanding a partially collapsed vertebral body in a subject by seating a rod-like structure within the vertebral body, the device comprising:
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a channel with a proximal end, a distal end, and a barrier formed across the channel at the distal end; and
a plunger slidably positioned inside the channel, wherein the plunger is adapted to move the structural element axially through the channel from the proximal end to the distal end and to push it radially into the vertebral body. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A method of a radial delivery of a structural element to a destination, the method comprising:
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(a) providing a delivery device having a channel with a proximal end, a distal end, and a barrier formed across the channel at the distal end; and
a plunger slidably positioned inside the channel;
(b) loading the structural element into the channel;
(c) pushing the structural element axially with the plunger until it reaches the barrier at the distal end; and
(d) applying a radial force to the plunger, whereby the plunger pushes the structural element radially into the destination. - View Dependent Claims (42, 43, 44, 45, 46, 50, 51, 52)
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47. A method of percutaneous fixation of a spinal compression fracture and reexpanding a partially collapsed vertebral body in a subject, the method comprising:
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(a) providing a delivery device having a channel with a distal end and a barrier formed across the channel at the distal end; and
a plunger slidably positioned inside the channel;
(b) loading a rod-like structure into the channel;
(c) pushing the rod-like structure with the plunger until it reaches the barrier at the distal end; and
(d) applying a radial force to the plunger, whereby the plunger pushes the rod-like structure through the window into the partially collapsed vertebral body. - View Dependent Claims (48, 49, 53, 54, 55, 56, 57, 58, 59)
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60. A kit for percutaneous fixation of a spinal compression fracture and reexpanding a partially collapsed vertebral body in a subject, comprising:
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a plurality of structural elements suitable for insertion into the vertebral body; and
a delivery device having a channel with a proximal end, a distal end, and a barrier formed across the channel at the distal end; and
a plunger slidably positioned inside the channel, wherein the plunger is adapted to move the structural element axially through the channel from the proximal end to the distal end and to push it radially into the vertebral body. - View Dependent Claims (61, 62)
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63. The kit of claim 80, wherein the structural elements have the same size.
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64. The kit of claim 80, wherein the structural elements have at least two different sizes and the window is sized to accommodate the longest structural element.
Specification