Abstract: An implanted piezoelectric bone material includes a main body and a piezoelectric material. The main body is a hollow pillar or a solid pillar. When the main body is the hollow pillar, the hollow pillar has an inner side wall at a center of the hollow pillar and an outer side wall at an outer side of the hollow pillar. When the main body is the solid pillar, the solid pillar only has the outer side wall at an outer side of the solid pillar. The piezoelectric material is in contact with at least one of the inner side wall and the outer side wall.

Abstract: An ultrasonic cellular stimulation device includes: an ultrasonic transducer for generating a vibration wave; an upper cap having a fixing portion disposed on a lateral surface thereof; and a lower cap having a first surface and a second surface, and including: a recess indenting the first surface; an abutment portion located at a bottom of the recess; and an opening formed in the second surface and being in communication with the recess. The upper cap is partially received in the recess. The ultrasonic transducer is clamped and fixed between the fixing portion and the first surface. A glass piece is disposed on the abutment portion and fixed between the upper cap and the lower cap, such that the vibration wave is conveyed from the first surface into the abutment portion and the glass piece and a uniform and controllable sound field is generated above the glass piece.

Abstract: An ultrasonic cellular stimulation device includes: an ultrasonic transducer for generating a vibration wave; an upper cap having a fixing portion disposed on a lateral surface thereof; and a lower cap having a first surface and a second surface, and including: a recess indenting the first surface; an abutment portion located at a bottom of the recess; and an opening formed in the second surface and being in communication with the recess. The upper cap is partially received in the recess. The ultrasonic transducer is clamped and fixed between the fixing portion and the first surface. A glass piece is disposed on the abutment portion and fixed between the upper cap and the lower cap, such that the vibration wave is conveyed from the first surface into the abutment portion and the glass piece and a uniform and controllable sound field is generated above the glass piece.

Abstract: A spine correction apparatus is disclosed, comprising: a first rod member having a first zone; a second rod member having a second zone; a first ring member having a first through-hole; and a second ring member having a second through-hole; wherein the first zone contacts the second zone, the first rod member and the second rod member are inserted into the first through-hole and the second through-hole, the first through-hole is fixed to the first rod member, and the second through-hole is fixed to the second rod member. The spine correction apparatus lowers the requirement for repeated surgeries and achieves the purpose of self-correction.

Abstract: A spine correction apparatus is disclosed, comprising: a first rod member having a first zone; a second rod member having a second zone; a first ring member having a first through-hole; and a second ring member having a second through-hole; wherein the first zone contacts the second zone, the first rod member and the second rod member are inserted into the first through-hole and the second through-hole, the first through-hole is fixed to the first rod member, and the second through-hole is fixed to the second rod member. The spine correction apparatus lowers the requirement for repeated surgeries and achieves the purpose of self-correction.

Abstract: A flexible spine fixing structure includes a first flexible element and a second flexible element. The first flexible element includes a first flexible part, a first fixing part and a second fixing part. The first fixing part and the second fixing part are respectively connected to two ends of the first flexible part and used for fixing to a first vertebra, and the first flexible part includes a first through hole and a second through hole. The second flexible element includes a second flexible part, a third fixing part and a fourth fixing part. The third fixing part and the fourth fixing part are respectively connected to two ends of the second flexible part and used for fixing to a second vertebra. The second flexible part is disposed by penetrating through the first through hole and the second through hole.

Abstract: A flexible spine fixing structure for fixing to a first vertebra and a second vertebra includes a first flexible element and a second flexible element. The first flexible element includes a first flexible part, a first fixing part and a second fixing part. The first fixing part and the second fixing part are respectively connected to two ends of the first flexible part and used for fixing to the first vertebra, and the first flexible part includes a first through hole and a second through hole. The second flexible element includes a second flexible part, a third fixing part and a fourth fixing part. The third fixing part and the fourth fixing part are respectively connected to two ends of the second flexible part and used for fixing to the second vertebra. The second flexible part is disposed by penetrating through the first through hole and the second through hole.

Abstract: A flexible spine fixing structure includes a first flexible element and a second flexible element. The first flexible element includes a first flexible part, a first fixing part and a second fixing part. The first fixing part and the second fixing part are respectively connected to two ends of the first flexible part and used for fixing to a first vertebra, and the first flexible part includes a first through hole and a second through hole. The second flexible element includes a second flexible part, a third fixing part and a fourth fixing part. The third fixing part and the fourth fixing part are respectively connected to two ends of the second flexible part and used for fixing to a second vertebra. The second flexible part is disposed by penetrating through the first through hole and the second through hole.

Abstract: A flexible spine fixing structure for fixing to a first vertebra and a second vertebra includes a first flexible element and a second flexible element. The first flexible element includes a first flexible part, a first fixing part and a second fixing part. The first fixing part and the second fixing part are respectively connected to two ends of the first flexible part and used for fixing to the first vertebra, and the first flexible part includes a first through hole and a second through hole. The second flexible element includes a second flexible part, a third fixing part and a fourth fixing part. The third fixing part and the fourth fixing part are respectively connected to two ends of the second flexible part and used for fixing to the second vertebra. The second flexible part is disposed by penetrating through the first through hole and the second through hole.

Abstract: A flexible spine fixing structure is provided. The flexible spine fixing structure is used for fixing adjacent two or more vertebras. The flexible spine fixing structure comprises a first flexible part, a first fixing part and a second fixing part. The first fixing part and the second fixing part are respectively connected to two ends of the first flexible part for fixing in the first vertebra. The second flexible part is directly connected to the first flexible part. The third fixing part and the fourth fixing part are respectively connected to two ends of the second flexible part for fixing in the second vertebra.

Abstract: A surgical positioning device comprises a base, an upper moving structure, a lower moving structure, an auxiliary operating element, and a plurality of encoders. The upper moving structure and the lower moving structure are coupled to the base individually, such that the upper moving structure and lower moving structure may move on a first plane and a second plane, respectively. The first plane is substantially parallel to the second plane. Each of the upper moving structure and lower moving structure comprise a holder respectively for holding the auxiliary operating element. The plurality of encoders measure the movement of the moving elements of the upper moving structure and the lower moving structure. A surgical tool may be adjusted and positioned by operating the auxiliary operating element to move the upper moving structure and the lower moving structure on the different planes, respectively.

Abstract: An image guided navigation system comprises a memory, a locator, a processor and a display. The memory stores a plurality of CT images and a software program. The locator is capable of indicating a direction to a surgical area, and the indicated direction of the locator is defined as a first direction. The processor is electrically connected to the memory and the locator. At least one corresponding image corresponding to the first direction is obtained from the plurality of CT images by the processor executing the software program. The at least one corresponding image comprises at least one simulated fluoroscopic image. The display is capable of showing the at least one corresponding image.

Abstract: The invention is disclosed to a control apparatus of catheter feeder. It comprises two rotatable mechanisms and a transmittal device that can propel the guidewire into continuous motion comprising moving forward, moving backward, moving clockwise, and moving counter-clockwise. The invention comprises of a square frame and three gears that are meshed together and are referred to the first, second, and third gear, respectively. At the front of the third gear are the first and second sets of the idle wheels that can hold the guidewire tightly. The invention employs the mechanical gears to control movement of the guidewire.

Abstract: A spinal dynamic stabilization device for maintaining an anatomical height between two adjacent vertebras is provided. Each vertebra includes a spinous process and two symmetric pedicles. The spinal dynamic stabilization device includes a supporting member, at least one anchoring member, and at least one connecting member. The supporting member is disposed between the spinous processes. The anchoring member is fixed in one of the vertebra via one of the pedicles. The connecting member connects the supporting member to the anchoring member, fixing a relative position between the supporting member and the anchoring member, further fixing a relative position between the vertebras.

Abstract: A surgical positioning device comprises a main part and at least three fiducial markers. Said fiducial markers have a CT number ranging from 1,000 to 3,000 and may produce dense, bright, and artifact-free spots on a CT scanning image.

Abstract: The present invention relates to a system integrating three-dimensional anatomical information with a cast model. The system combines the advantages of a digitalized three-dimensional image and the virtues of a cast model. Users may utilize a fully integrated environment provided by the present invention to make treatment planning more promptly and accurately.