Abstract: The disclosure provides a multi-power multi-dosage accelerator. The multi-power multi-dosage accelerator comprises an electron gun configured to provide a first voltage of the electron gun and a second voltage of the electron gun, and an accelerating tube configured to generate a first X-ray having a first dosage and first power according to the first voltage of the electron gun and generate a second X-ray having a second dosage and second power according to the second voltage of the electron gun, wherein the first dosage is a dosage which can be accepted by human bodies and is much less than the second dosage, the first X-ray is used for inspecting a first area where a person is located, and the second X-ray is used for inspecting a second area where goods are located.

Abstract: In some embodiments, a stylet includes a proximal end portion, a distal end portion, and a medial portion between the proximal end portion and the distal end portion. The distal end portion of the stylet is configured to be releasably coupled to a first portion of an implant. The medial portion of the stylet has at least one retention member configured to be releasably coupled to a second portion of the implant.

Abstract: In one embodiment, a method includes securing an implant that includes a pre-formed loop to a vaginal apex. An end of the suture is inserted through a selected portion of a pelvic tissue to dispose at least a portion of the implant within a pelvic region of the patient. The end of the suture is drawn through the loop while simultaneously advancing a uterus to approximate the vaginal apex to the selected portion of pelvic tissue. An apparatus includes an implant and a suture coupled to the implant having a pre-formed loop. configured to receive a portion of a delivery device therethrough. A trocar is coupled to an end of the suture that can be releasably coupled to an end of the delivery device. The trocar can be inserted through a pelvic tissue and drawn through the loop forming a knot to secure the implant to the pelvic tissue.

Abstract: Disclosed are methods, systems, and articles of manufactures for implementing correct-by-construction physical designs with multiple-patterning-awareness by identifying a first set of grids for a layer based at least in part upon characteristics of other layer(s), identifying a set of tracks for the layer to implement the physical design for the layer, and implementing a shape in the physical design by at least terminating an end of the shape at a grid of the identified first set of grids. The end of the shape may be extended or contracted from its as-design location to the grid. The physical design thus implemented is correct-by-construction and is free of violations of one or more directional design rules.

Abstract: A vehicle-mounted inspection system comprises: a chassis; a rotation mechanism disposed on the chassis; a first ray emission device connected to the rotation mechanism and configured to emit a ray; a first detection device connected to the rotation mechanism and configured to receive the ray emitted by the first ray emission device; and a second ray emission device connected to the rotation mechanism and configured to emit a ray. The rotation mechanism is configured to rotate the first ray emission device, the first detection device and the second ray emission device substantially around an upright axis between a retracted position and an operating position.

Abstract: A mobile inspection system comprises: a stand; a ray source mounted to the stand and configured to generate a ray; a substantially inverted L-shaped detector beam comprising a horizontal detector beam portion and an upright detector beam portion connected to one end of the horizontal detector beam portion; a plurality of detectors configured to receive the ray emitted from the ray source, the plurality of detectors being disposed to at least one of the horizontal detector beam portion and the upright detector beam portion; and a drive device disposed to the stand, connected with the other end of the horizontal detector beam portion, and configured to drive the detector beam to rotate around an upright axis, wherein the ray source and the detector beam rotate synchronously.

Abstract: The present invention discloses A vehicle dragging system, comprising a first dragging means and a second dragging means, which are sequentially arranged along a vehicle dragging direction, wherein in the vehicle dragging direction, the first dragging means is arranged at the upstream of the second dragging means, and a separating section is arranged between the first dragging means and the second dragging means, so that the first dragging means is separated from the second dragging means by a preset distance in the vehicle dragging direction, wherein the first dragging means comprises a first supporting plate, a first elongated traction element and a first pushing element connected with the first elongated traction element, and the first pushing element is adapted to move around the first supporting plate for pushing wheels to move along the first supporting plate, in order to drive a vehicle to advance; the second dragging means comprises a second supporting plate, a second elongated traction element and a

Abstract: The present invention discloses a vehicle inspection system, comprising: a radiation source; an inspection passage enabling a vehicle to pass; a dragging system comprising a first dragging means and a second dragging means, which are sequentially arranged along a vehicle dragging direction; in the vehicle dragging direction, the first dragging means is arranged at the upstream of the second dragging means, and a separating section is arranged between the first dragging means and the second dragging means, so that the first dragging means is separated from the second dragging means by a preset distance in the vehicle dragging direction; and the first and second dragging means both include a supporting plate, an elongated traction element and a pushing element connected with the elongated traction element, the elongated traction elements of the first and second dragging means are continuous and integrated, thus the elongated traction elements and pushing elements extends on the separating section; the supportin

Abstract: The present invention discloses a vehicle inspection system, comprising: an inspection passage; a vehicle dragging system arranged in the inspection passage, wherein the vehicle dragging system comprises a first dragging means and a second dragging means, which are sequentially arranged along a vehicle dragging direction, and in the vehicle dragging direction, the first dragging means is arranged at the upstream of the second dragging means, and a separating section is arranged between the first dragging means and the second dragging means, so that the first dragging means and the second dragging means are separated by a preset distance in the vehicle dragging direction; and a radiographic inspection system, wherein at least a part of paths of the beams of the radiographic inspection system passes through the separating section between the first dragging means and the second dragging means.

Abstract: According to one aspect, the invention pertains to a ureteral stent that includes a proximal retention structure configured for retaining the proximal portion in the urinary bladder, which contains a balloon reservoir for storing a pressurized fluid that contains a urologically beneficial drug. In another aspect, a ureteral stent is provided that includes a reservoir for storing a pressurized fluid that comprises a urologically beneficial drug and an outlet remote from the reservoir, wherein the outlet includes a hydrogel material that, upon implantation of the ureteral stent, shrinks as the salinity of surrounding urine drops and expands as the salinity of surrounding urine increases. In other aspects, the invention pertains to a system for introducing a urinary stent into the body of a patient. In yet other aspects, the invention pertains to methods for treating patients.

Abstract: A medical device for placement in a body of a mammal is provided. The medical device comprises (1) a polymeric matrix forming the device and defining a lumen through the device, the matrix comprising polymer macromolecules and defining spaces between the polymer macromolecules; (2) a drug contained within at least some of the spaces of the matrix; and (3) a material contained within at least some of the spaces of the matrix to affect diffusion of the drug out of the polymeric matrix when the medical device is placed in the boy of the mammal.

Abstract: A steerable medical device is used to controllably introduce a guidewire or other medical instrument into a body of a patient and direct placement of the guidewire or other medical instrument in the body of the patient. The steerable medical device can include an elongated member, a steering mechanism, and an attachment member. The elongated member extends along a longitudinal axis and comprises a deflectable distal portion that is deflectable off of the longitudinal axis. The steering mechanism is adapted to control longitudinal and rotational movement of the elongated member and to control off-axis deflection of its deflectable portion. The attachment member is removably couplable to another medical device. The attachment member is moveably coupled to the steering mechanism and the elongated member.

Abstract: In some embodiments, a stent includes an elongate member and a distal retention member. The elongate member is configured to be disposed within a ureter of a patient and has a first portion, a second portion and a plurality of beads bonded together. The plurality of beads define a plurality of spaces between the plurality of beads. The plurality of spaces are configured to allow fluid to flow from the first portion of the elongate member to the second portion of the elongate member. The distal retention member is configured to help maintain a portion of the stent within a kidney of the patient.

Abstract: According to one aspect, a medical device may include a luminal element configured for insertion into a natural body lumen. The medical device may further include a tool configured to be received within the luminal element. The tool may include a plurality of operating members. Each of the operating members may include an elongate member and a cutting member. The cutting member may be located at a distal end of the elongate member. Further, the cutting member of a first operating member of the plurality of operating members may be rotatable with respect to the cutting member of a second operating member of the plurality of operating members.

Abstract: In some aspects, a surgical procedure for the removal of a prostate gland is provided. The procedure comprises: (a) positioning an implant material within the urethra, (b) removing the prostate, thereby cresting a urethral stump and a bladder neck, wherein the implant material occupies the urethral stump, the bladder neck, or both, and (c) securing the bladder neck to the urethral stump in an anastomosis procedure to establish a path of urine flow from the bladder to an external urethral opening (e.g., the meatus). Subsequently, the implant material is removed from the urethra, for example, by natural urine voiding or by flowing a removal fluid through and/or around the implant material in the urethra. In other aspects, a medical kit is provided.

Abstract: In some embodiments, a ureteral stent includes an elongate member having a first portion and a second portion, which is coupled to the first portion. The first portion of the elongate member is configured to be disposed within a kidney of a patient. The second portion of the elongate member, which has a sidewall that defines a lumen, is configured to deliver fluid from a first location of the sidewall of the second portion to a second location of the sidewall of the second portion via capillary action. The second portion of the elongate member is configured to be disposed within at least one of a bladder and a ureter of the patient.

Abstract: An implant includes a substrate and a carrier coupled to the substrate. The carrier including a plurality of objects configured to reflect energy emitted by an ultrasound device. In some embodiments, the carrier includes a plurality of air bubbles that are configured to reflect energy emitted by an ultrasound device. In one embodiment, a method of forming a bodily implant includes forming a substrate, disposing a plurality of air bubbles within a carrier, and applying the carrier to the substrate.

Abstract: A medical device for placement in a body of a mammal is provided. The medical device comprises (1) a polymeric matrix forming the device and defining a lumen through the device, the matrix comprising polymer macromolecules and defining spaces between the polymer macromolecules; (2) a drug contained within at least some of the spaces of the matrix; and (3) a material contained within at least some of the spaces of the matrix to affect diffusion of the drug out of the polymeric matrix when the medical device is placed in the body of the mammal.

Abstract: The present invention discloses a vehicular radiation inspection system comprising a mobile vehicle body, a detection arm, a radiation source and a detector. The vehicular radiation inspection system further comprises a following mechanism separated from the detection arm. The following mechanism contains radiation protection material, and the following mechanism follows the detection arm to move in a non-contact manner during inspection of the inspected object, so as to prevent radiation leakage. In the present invention, it does not need to infuse radiation protection material having a high density, such as lead, into the detection arm. Therefore, it can effectively decrease the weight of the detection arm, and it does not need to provide a balance counterweight on the mobile vehicle body on which the detection arm is carried, thereby effectively solving the problem that the vehicular radiation inspection system has an excessively large mass.

Abstract: The present invention discloses a gantry configuration for a combined mobile radiation inspection system comprising a first arm frame, a second arm frame and a third arm frame. The first, second and third arm frames define a scanning channel to allow an inspected object to pass therethrough. The gantry configuration for the combined mobile radiation inspection system further comprises a position sensing device configured to detect a position error between the first arm frame and the second arm frame; and a controller configured to control a moving speed of at least one of the first arm frame and the second arm frame based on the detected position error, so that the position error between the first arm frame and the second arm frame is equal to zero.