摘要:
A fusion implant apparatus, in for the replacement of a vertebra or an intervertebral disc, having at least one biocompatible structure. The structure is made of a composite material having reinforcing fibers, and has a first and second face to engage adjacent bone structures to be fused, struts extending between the first and second faces, and a hollow interior space for reception of bone growth inducing substances. The fibers are long fibers and the majority of these long fibers have a direction that follows the longitudinal forces upon the first and second faces, which is the direction of trabecular structures of the adjacent bone structure, so that a majority of long fibers are essentially an extension of these trabecular structures.
摘要:
A fusion implant apparatus, in for the replacement of a vertebra or an intervertebral disc, having at least one biocompatible structure. The structure is made of a composite material having reinforcing fibers, and has a first and second face to engage adjacent bone structures to be fused, struts extending between the first and second faces, and a hollow interior space for reception of bone growth inducing substances. The fibers are long fibers and the majority of these long fibers have a direction that follows the longitudinal forces upon the first and second faces, which is the direction of trabecular structures of the adjacent bone structure, so that a majority of long fibers are essentially an extension of these trabecular structures.
摘要:
The elongated stabilization member comprises a composite rod (R) having a uniform cross-section essentially throughout its length. The rod (R) has at least first and second segments (A, B, C) each of which has a different modulus of elasticity. Preferably the rod (R) is comprised of plastic with carbon fibers disposed therein and said first and second segments (A, B, C) have different orientation densities of fibers or lengths to provide said different moduli of elasticity.
摘要:
The cylindrical fiber reinforced implant is designed to be inserted between two adjacent vertebrae. The implant having an outer wall with a general cylindrical or oval shape and preferably an open volume for bone filling. Said wall having reinforcing fibers which at least in part are oriented in a first direction. A support extending within said volume having reinforcing fibers which are at least in part oriented in a second direction, said first and said second directions are different. Preferably the fibers of the outer wall are at least partly concentrically oriented. The support is preferably a separately formed part, that is inserted into the outer wall.
摘要:
A luminal prosthesis comprises a plurality of radially expandable prosthetic stent segments arranged axially. Two or more of the prosthetic stent segments are separable upon expansion from the remaining prosthetic stent segments and a coupling structure connects at least some of the adjacent prosthetic stent segments to each other. The coupling structure permits a first group of the adjacent prosthetic stent segments to separate from a second group of the prosthetic stent segments upon differential radial expansion of the first group relative to the second group and the coupling structure maintains or forms an attachment between the adjacent prosthetic stent segments in the first group which have been expanded together. A delivery system and methods for deploying the multiple coupled prosthetic stent segments are also disclosed.
摘要:
An apparatus and a method for analyzing signals within an integrated circuit are described. In one embodiment of the present invention, internal IC signals are tapped, sampled and stored according to one or more sampling criteria. The signals may be taken from multiple locations within the IC and the information stored may include data, timing information, control data and other such information related to the tapped signals. The stored information may be provided to an external device for analysis.
摘要:
A brake (10) having particular application for a linear motion device (12) includes a channel (82) secured to the base plate (14) in which a body (120) secured to the sliding plate (16) partially extends. A tape seal (112) of the channel (82) extends through a slot (180) formed in the body (120) so that the calipers (15) moveably mounted to the body (120) are located within a hollow interior of the channel (82). The calipers (152) include cylindrical carriers (154) slideably received in cross bores (130) in the body (120) and are biased to a disengaged position by a spring (164) sandwiched between a snap ring (162) in the cross bore (130) and the carrier (152). A diametric groove (156) is formed on the inner axial end of the carrier (154) and slideably receives a side (140) of an actuator element (138) which extends in a non-axial direction. The actuator element (138) is moveably mounted in an axial through bore (122) by first and second supports (142, 143) secured to the axial ends and including an elastomeric seal (144) to compliantly suspend the actuator element (138) in the through bore (122). The actuator element (138) is moved in a first axial direction by a spring (146) and in the opposite axial direction by fluid pressure in a fluid chamber.
摘要:
A system, method, and computer program product are provided for performing a join operation between a local table at a local server and a remote table at a remote server. In accordance with an embodiment of the present invention, a query instruction to join the local table and the remote table is received at the remote server. Qualifying rows of the local table are then retrieved to the remote server, and the remote table is joined with the qualifying rows to generate a result table, which is then sent to the local server.
摘要:
A luminal prosthesis comprises a plurality of radially expandable prosthetic stent segments arranged axially. Two or more of the prosthetic stent segments are separable upon expansion from the remaining prosthetic stent segments and a coupling structure connects at least some of the adjacent prosthetic stent segments to each other. The coupling structure permits a first group of the adjacent prosthetic stent segments to separate from a second group of the prosthetic stent segments upon differential radial expansion of the first group relative to the second group and the coupling structure maintains or forms an attachment between the adjacent prosthetic stent segments in the first group which have been expanded together. A delivery system and methods for deploying the multiple coupled prosthetic stent segments are also disclosed.
摘要:
Systems and methods for obstruction detection during autonomous unmanned aerial vehicle landings, including unmanned aerial vehicles equipped with at least one video camera, an image processor that analyzes a feed from the video camera to detect possible obstructions, and an autopilot programmed to abort an autonomous landing if it receives a signal indicating an obstruction was detected. In some examples, the systems and methods are in communication with a ground station to perform obstruction detection analysis instead of performing such processing on board the UAV. In some further examples, the landing area includes a ground-based visual target that the UAV can locate and home in upon from the air.