US2011144688A1PendingUtilityA1
Devices and methods using an expandable body with internal restraint for compressing cancellous bone
Est. expiryJan 26, 2014(expired)· nominal 20-yr term from priority
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Claims
Abstract
Devices and methods compress cancellous bone. In one arrangement, the devices and methods make use of an expandable body that includes an internal restraint coupled to the body. The internal restraint directs expansion of the body. In one arrangement, a method for treating bone inserts the device having the internal restraint inside bone and causes directed expansion of the body in cancellous bone. Cancellous bone is compacted by the directed expansion.
Claims
exact text as granted — not AI-modified1 . A device for compressing cancellous bone, the device comprising:
an inflatable element; a first elongate element for delivering an inflation fluid to the inflatable element, a distal tip of the first elongate element being connected to a proximal end of the inflatable element; and a second elongate element, the second elongate element being substantially aligned with at least a portion of the first elongate element, wherein a distal tip of the second elongate element extends past the distal tip of the first elongate element, and wherein expansion of a distal end of the inflatable element is not restrained by the distal tip of the second elongate element.
2 . The device of claim 1 further comprising a radiopaque marker positioned inside the inflatable element.
3 . The device of claim 1 wherein the proximal end of the inflatable element extends over the distal tip of the first elongate element.
4 . The device of claim 1 wherein the distal tip of the first elongate element is connected to the proximal end of the inflatable element by heat bonding.
5 . The device of claim 1 wherein the distal tip of the first elongate element is connected to the proximal end of the inflatable element by an adhesive.
6 . The device of claim 1 wherein the distal tip of the second elongate element extends distally beyond the distal end of the inflatable element.
7 . The device of claim 1 wherein the distal tip of the second elongate element is located proximally of the distal end of the inflatable element.
8 . The device of claim 1 wherein the second elongate element is attached to the first elongate element.Cited by (0)
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