Abstract: The present invention provides a surgical method of osteotomy device with an in-vitro alignment component comprises the steps of: placing a first body component and a second body component on the surface of a bone; engaging an engaging member with a connecting member; inserting at least one aiming bone pin in at least one aiming hole to confirm the cutting direction; inserting at least one fixation bone pins in a plurality of fixation holes to fix the osteotomy device with an in-vitro alignment component; cutting along a guide slot to produce an osteotomy; spreading the osteotomy; placing a bone plate to maintain the osteotomy.

Abstract: The present invention provides a surgery device for osteotomy comprises a first body component, a second body component. The first body component has a side guide edge and an upper guide edge for forming a cutting track. The second body component has a lower guide edge disposed below the upper guide edge. A guide groove is formed between the upper guide edge and the lower guide edge for guiding the saw blade to cut. The upper guide edge has a first correcting perforation. The lower guide edge has a second correcting perforation. There is a regulative angle between a first hole axis of the first correcting perforation and a second hole axis of the second correcting perforation. Compared to the prior art, the present invention can improve the efficiency and accuracy of the surgery.

Abstract: The present invention provides an osteotomy device with an extracorporeal alignment component comprising a first body component, a second body component and an extracorporeal alignment component. The first body component has an upper guide edge for forming a cutting track. The second body component has a lower guide edge disposed below the upper guide edge. A guide slot is formed between the upper guide edge and the lower guide edge for guiding the saw blade to cut. The guide slot has a connecting member for connecting the upper guide edge and the lower guide edge. The extracorporeal alignment component has an engaging member and at least one aiming hole. The engaging member is engaged with the connecting member. The aiming hole is used to confirm the direction of cutting.

Abstract: The present invention provides a universal osteotomy device comprising a first body component and a second body component. The first body component has an upper guide edge for forming a cutting track. The second body component has a lower guide edge disposed below the upper guide edge. A guide slot is formed between the upper guide edge and the lower guide edge for guiding the saw blade to cut. The guide slot has a connecting member for connecting the upper guide edge and the lower guide edge. The surface of the first body component and the surface of the second body component have an average curvature of the bone surface.

Abstract: The present invention provides a surgical method of universal osteotomy device comprises the steps of: placing a first body component and a second body component on the surface of a bone; engaging an engaging member with a connecting member; inserting at least one aiming bone pin in at least one aiming hole to confirm the cutting direction; cutting along a guide slot to produce an osteotomy; spreading said osteotomy; placing a bone plate to maintain the osteotomy; wherein the surface of the first body component and the surface of the second body component have an average curvature of bone surface or a uniform curvature.

Abstract: The present invention is a location control apparatus for bone resection, the location control apparatus includes a guiding module, located at the bottom of the location control apparatus for bone resection, a blocking plate module, formed on the rear end of the guiding module and has a protruding shape, and, a guide groove, located at the bottom of the blocking plate module to allow a osteotome or bone saw to be inserted, wherein the dimension of the inserted osteotome or bone saw could be adjusted.

Abstract: The present invention provides a surgical method of osteotomy device with an in-vitro alignment component comprises the steps of: placing a first body component and a second body component on the surface of a bone; engaging an engaging member with a connecting member; inserting at least one aiming bone pin in at least one aiming hole to confirm the cutting direction; inserting at least one fixation bone pins in a plurality of fixation holes to fix the osteotomy device with an in-vitro alignment component; cutting along a guide slot to produce an osteotomy; spreading the osteotomy; placing a bone plate to maintain the osteotomy.

Abstract: The present invention provides a universal osteotomy device comprising a first body component and a second body component. The first body component has an upper guide edge for forming a cutting track. The second body component has a lower guide edge disposed below the upper guide edge. A guide slot is formed between the upper guide edge and the lower guide edge for guiding the saw blade to cut. The guide slot has a connecting member for connecting the upper guide edge and the lower guide edge. The surface of the first body component and the surface of the second body component have an average curvature of the bone surface.

Abstract: The present invention provides an osteotomy device with an in-vitro alignment component comprising a first body component, a second body component and an in-vitro alignment component. The first body component has an upper guide edge for forming a cutting track. The second body component has a lower guide edge disposed below the upper guide edge. A guide slot is formed between the upper guide edge and the lower guide edge for guiding the saw blade to cut. The guide slot has a connecting member for connecting the upper guide edge and the lower guide edge. The in-vitro alignment component has an engaging member and at least one aiming hole. The engaging member is engaged with the connecting member. The aiming hole is used to confirm the direction of cutting.

Abstract: The present invention provides a surgical method of universal osteotomy device comprises the steps of: placing a first body component and a second body component on the surface of a bone; engaging an engaging member with a connecting member; inserting at least one aiming bone pin in at least one aiming hole to confirm the cutting direction; cutting along a guide slot to produce an osteotomy; spreading said osteotomy; placing a bone plate to maintain the osteotomy; wherein the surface of the first body component and the surface of the second body component have an average curvature of bone surface or a uniform curvature.

Abstract: The present invention provides a surgery device for osteotomy comprises a first body component, a second body component. The first body component has a side guide edge and an upper guide edge for forming a cutting track. The second body component has a lower guide edge disposed below the upper guide edge. A guide groove is formed between the upper guide edge and the lower guide edge for guiding the saw blade to cut. The upper guide edge has a first correcting perforation. The lower guide edge has a second correcting perforation. There is a regulative angle between a first hole axis of the first correcting perforation and a second hole axis of the second correcting perforation. Compared to the prior art, the present invention can improve the efficiency and accuracy of the surgery.

Abstract: An apparatus for inserting an intervertebral fusion cage includes a dilatation set, a guiding set and an insert set. The dilatation set includes first and second dilatation barrels non-rotationally and telescopically connected to each other. The guiding set includes first and second guiding tubes provided around the first and second dilatation barrels. The second guiding tube includes a guiding hole defined therein and a smooth arched face formed thereon in the guiding hole. The insert set includes a leading rod inserted in the second guiding tube and a push rod pivotally connected to at the leading rod. The intervertebral fusion cage is located in the second guiding tube. The fusion cage is movable out of the second guiding tube along the smooth face and the guiding hole to shorten surgery time and position the fusion cage precisely.

Abstract: The present invention discloses an insertion apparatus for aligning cage of intervertebral fusion comprising a dilatation set having a first and a second dilatation barrel formed with corresponding cross-sections and sleeved in series; a guiding set having a first and a second guiding tube inserted in the respective dilatation barrels, a guiding hole disposed adjacent to one end of the second guiding tube, a smooth curved surface inside the guiding hole communicated with a shaft hole disposed in the second guiding tube; an insert set having a leading rod inserted in the second guiding tube, a push rod pivoted at the leading rod; and a fusion cage disposed in the second guiding tube, an arc portion of the fusion cage passed through the second guiding tube along the smooth curved surface and the guiding hole, so as to shorten surgery time and position the fusion cage more exactly.

Abstract: The present invention discloses a graft attachment device for cruciate ligament reconstruction comprises a body having a screw portion with a threading area on the front end of the body, a connection member disposed on the front end, a gap formed between the front end and a predetermined portion of the body adapted for a rope-type member pass through, a pivoting member pivoted on the rear end of the body with its front end, the rear end of the pivoting member having a juncture portion for fixing a ligament, thereby the device could be screwed and fixed on a bone when rotating the device, and seamed a ligament on the rear end of the device.

Abstract: An anti-subsidence dynamic hip screw comprises of a barrel having a connection portion and a tube-type extending portion angled a predetermined angle with the connection portion, and a first long groove and a first limit portion disposed at the inner wall of the extending portion respectively; a lag screw having an inside end disposed threading screw at its outer edge and a outside end with a predetermined length passed through in the extending portion by the way of reciprocation; a second long groove and a second limit portion disposed at the lag screw respectively related to the first long groove and the first limit portion, each first limit portion and second limit portion used for preventing the lag screw from rotating inside the extending portion; a blade piece with a predetermined length simultaneously passed through and retained in the first long groove and the related second long groove; a compressing screw having an inside end screwed with the outside end of the lag screw and an outside end retained