Abstract: A targeting device for making holes in cortical bone for bone nails has a right angle drill which interconnects to a telescopic guide member. The guide member attaches to the drill at the side thereof opposite the chuck. The free end of the telescopic guide attaches to an X-ray machine and maintains the drill in position during the drilling operation. A manual targeting device is used to locate bores in the bone nail and to spot drill the bone. The aligned telescopic guide is then used to complete the drilling operation.

Abstract: The present invention relates to a device for setting a spine having damaged vertebrae, comprising an anchoring element including a shaft portion (16) to be attached to spaced vertebrae, the free end of said anchoring element including a slot (24) for receiving a distracting or, respectively, compressing bar (40) and a cap nut (42) to be screwed onto an outer thread (32) provided in the region of the receiving slot to urge an axial fixing portion (44) towards the bar received in said receiving slot.

Abstract: Support device for the human vertebral column having an elongated dorsally implantable holding device, at least two pedicle screws which have a head and a threaded shank and the head of which is mounted on the holding device pivotally about an axis which extends approximately perpendicularly to the threaded shank axis whilst the threaded shank projects from the holding device, and a securing device for the fixing of the pedicle screws in the set angular position and at desired axial intervals from each other, wherein the holding device includes at least two separate preferably threaded bolts which cooperate with a preferably threaded sleeve and which at the head ends includes a clamping surface lying on the axis or axis-parallel, the head of the pedicle screws includes two approximately parallel clamping faces extending approximately parallel to the threaded shank axis and for each bolt a screw connection is provided which clampingly fixes with respect to each other in their position the clamping surfaces of

Abstract: A locking nail which is used for a plurality of bone cavities is provided in a plurality of lengths. The bone nail is suited for dynamic medical care as well as for subjecting compression and/or distraction forces.The shaft (10) of the locking nail is hollow and straight and has an outer diameter which is for the most part smaller than the inner diameter of the corticalis. Enlarging the bone cavity is generally not necessary. The nail has at least a cross bore for receiving a bone screw at the first end and a further cross bore for a bone screw at the second end adjacent the driving end. A bore at the second end (18) is formed as an elongate bore (26) and an inner threaded portion is formed at the second end (18), which threaded portion extends into the elongate bore (26) for receiving a screw bolt (54, 62) which may be brought in contact with the shaft of the bone screw (82) extending through the elongate bore (26).

Abstract: A bone nail for upper arm fractures, including a hollow first shank adapted to be inserted into the proximal end portion of a medullary canal, the first shank having a distal end that has a slotted portion provided with a plurality of slots and an internal thread extending beyond the slotted portion.

Abstract: A spacer device for supporting vertebral bodies, comprising a first supporting member to engage a first vertebral body, a second supporting member to engage a second vertebral body and an adjustment means including a sleeve having an internal thread and a pair of bolts each having an outer thread cooperating with said sleeve to adjust the supporting members in a predetermined distance with respect to each other, whereby the adjustment means is provided with clamping faces at either end, which adjustment faces are aligned with the axis of the sleeve and the bolts or alternatively are disposed parallel to said axis, the supporting members are provided with clamping faces extending substantially normally with respect to the supporting faces and a screw connection is provided for each supporting member to press the clamping faces of the adjustment means and the supporting member together in a predetermined position with respect to each other.

Abstract: A bone nail for the medical care of spoke bone (i.e., radius) fractures comprises a hollow shaft (10) curved in a plane, which shaft is to be distally and posteriorly inserted into a spoke bone medullary canal and which includes a proximal end portion which is slotted so as to be able to be spread apart by a spreading body. A straddling member (36) having an outer threaded portion (44) cooperates with an inner threaded portion (18) in the slotted portion (12) of the shaft (10) of the nail so as to radially expand the proximal nail end when the straddling body (36) is rotated. A cross bore (22) at the distal end of the shaft (10) receives a bone screw extending approximately vertical to the plane of the curvature.

Abstract: A small bone plate suitable for use, for example, on the cranial skeleton, on the facial skeleton and on micro fragments of other skeleton sections is provided. The bone plate is formed from webs joining screw hole boundaries in a particular fashion; and the plate can be bent in its plane, without deformation of the screw hole boundaries. Thus, insertion of bone screws into the small bone plate is not hindered by deformed screw hole boundaries. The bone plate can be single-legged or multiple-legged. Also provided is a special type of bone screw especially suitable for use with the small bone plate of the invention. The bone screw has a cross-slotted head, with the bottoms of the slots being concave. The screw is also preferably self-tapping and preferably has a conical tip.

Abstract: A modular femoral internal implant system for use in the treatment of femoral disorders resulting from injury, disease or congenital defect includes at least three interconnectable components: 1) an elongated epiphyseal/metaphyseal implant, 2) an intramedullary rod and 3) an angled side plate having an elongated plate portion adapted to be secured to the outer cortical wall and a hollow sleeve adapted to extend into the femur. The epiphyseal/metaphyseal implant can be connected to either the angled side plate or the intramedullary rod. The system may also include an elongated bone plate connectable to the angled side plate, one or more additional epiphyseal/metaphyseal implants of variable length, an additional angled side plate, a distal buttress plate connectable to the elongated bone plate, and a plurality of bone screws of a universal design. Preferably, many or all of the components of the system are made of an inert, resilient titanium-base alloy.

Abstract: The invention provides a correction implant for the human vertebral column which is simply structured and consists of only a few parts. The correction implant according to the invention can be simply implanted and effectively fixes reset vertebra bodies in a selected position. The correction implant includes pedicle screws having slots for the accommodation of rods. The rods serve for the bracing of pairs of pedicle screws in a crosswise manner. The longitudinal connection between pedicle screws takes place by use of plate-shaped elongated elements having openings through which the pedicle screws are extended, with at least one opening being elongated so that the pedicle screws can be screwed in an accurate position.

Abstract: A targeting device for implant to be used for fractures having a head that has a device for retaining a nail that will be inserted into a medullary canal of a bone, a locking device for releasably fastening the nail to the device for retaining the nail. A targeting arm attached to the head of the nail, wherein the targeting arm has an axis and a free end and it extends substantially parallel to nail.

Abstract: Femoral portion of a hip prosthesis comprising a shank, preferably a collar and a neck, with a ball-like head or a head-receiving portion being integrally formed to the neck, respectively, whereby the shank is formed as hollow body which comprises a plurality of openings interconnecting the lateral surfaces of the shank and the hollow space of the shank.

Abstract: A device for applying a tensional force between two vertebrae of the human vertebral column, having at least two retaining members adapted to be brought into engagement with associated vertebrae, said members having a throughgoing opening for the accommodation of a threaded rod, and pairs of nuts adapted to be threaded onto said threaded rod in order to fix said retaining members in a desired position on said threaded rod, characterized in that said retaining members are configured as clamping members (10) having two legs (14, 16) which are bendable relative to each other in the plane extending through said threaded rod (26) to embrace a transverse process (22) of a vertebra.

Abstract: An implant comprising a specially adapted bone screw having a threaded shank portion and a sleeve which mates with and operates in cooperation with the threaded shank portion is provided. Also provided is a driver specially adapted for inserting and removing the implant of the invention. A method of compressing a fracture in a bone is also provided. The implant generates bone compression by itself and can be used either alone or with plates and washers. It is easily inserted into a fracture and also is easily removed from the fracture. The driver which is specially adapted to be used in combination with the implant of the invention aids in the ease of insertion and removal of the implant.

Abstract: This external fixator for the correction and reduction of bone fragments comprises a bar (1) fastened to a biocompression system (5), on which bar and system are disposed the supports (2,3) for fastening the pins inserted into the bones, the components of which supports are movable in accordance with the arrows A, B, C and D. The member (6) permits the longitudinal displacement of the clip (2) in the direction of the arrow E, while the biocompression system (5) makes a reciprocating movement in accordance with the arrow F.A damping member (90,290) cooperates with means for regulating the force applied which are disposed outside the bar. Graduated markings (99,283) indicate the value of the force applied.

Abstract: A coupling device and method of coupling especially suitable for coupling multiple components of surgical instruments are provided. A wedging portion provides an interference fit between parts so that a secure connection can be made that will not unintentionally dissociate. In a preferred embodiment, bores and counterbores within dovetail portions are provided. Especially preferred is the use of this coupling device to secure a reamer head to a shaft.

Abstract: A modular femoral internal implant system for use in the treatment of femoral disorders resulting from injury, disease or congenital defect includes at least three interconnectable components: 1) an elongated epiphyseal/metaphyseal implant, 2) an intramedullary rod and 3) an angled side plate having an elongated plate portion adapted to be secured to the outer cortical wall and a hollow sleeve adapted to extend into the femur. The epiphyseal/metaphyseal implant can be connected to either the angled side plate or the intramedullary rod. The system may also include an elongated bone plate connectable to the angled side plate, one or more additional epiphyseal/metaphyseal implants of variable length, an additional angled side plate, a distal buttress plate connectable to the elongated bone plate, and a plurality of bone screws of a universal design. Preferably, many or all of the components of the system are made of an inert, resilient titanium-base alloy.

Abstract: This articulation device makes it possible to position a first elongated piece 20, which is capable of being pivoted through 360.degree. according to the arrow A, and a second piece 30, which is capable of swivelling about the shaft 40 according to the arrow B. These pieces are made integral with a U-shaped support 10, in relation to which they can be locked by shoes 60 and 70 which are held in position by a single securing screw 50. The pieces 20 and 30 can be connected to elements which are to be positioned, such as pins or connection rods which form part of an orthopaedic external fixing appliance consisting of pins inserted into bone fragments and of an external frame with connection rods.

Abstract: A pin holder support is provided which is suitable for external bone fixation utilizing pins inserted into bone. The device comprises a clamp for gripping the bone pins a deflection member, and a jaw which positions the device along a fixation bar. The deflection member is situated between the clamp and the jaw and has on one face, a rotation means for cooperation with a complementary means of the clamp or of the jaw such that the combination ensures rotatability of the clamp with respect to the jaw and, on its opposite face, a curved guide means for cooperation with a complementary curved means of the other of the jaw or of the clamp, respectively, so as to ensure ability of the clamp to swivel with respect to the jaw.

Abstract: A device suitable for use in a wide variety of types of joints of the body of a human or other mammal is provided. The device is especially useful for implantation into the human femur so as to repair an anterior cruciate ligament. The device is self-locking and can be used to connect two parts of a joint together by means of an artificial ligament (if desired) or by means of a biological graft (either allegraft or autogenous, including bone with a natural tendon attached thereto). The device permits the surgeon very simply to do a revision from such a mechanical ligament to a biological graft or vice-versa, as desired; that is, the device of the invention is fully revisable. A method of connecting two parts of a joint is also given.