Abstract: A hollow elongated medullary bone nail capable of being locked in place with at least a pair of transversely-disposed bone screws is disclosed. The radius in transverse cross-section of the outer surface of the nail varies over the circumference of the cross-sectional profile of the nail in such a manner that a steadily rounded contour results.

Abstract: An aiming apparatus for making transverse bores in a patient's bone in register with the holes or bores of an osteosynthesis aid in the bone, especially an interlocking nail, comprises an elongated holder for the accommodation of an aiming member adapted to be brought into the beam path of an X-ray apparatus, a reception head for receiving a drill or wire drill rotatably supported in the holder, and a power drive supported by the holder for rotatably driving the reception head. The reception head is made of a material transparent to X-ray radiation.

Abstract: A bone prosthesis comprising at least one joint component replacing a natural joint half, which is provided with a shank adapted to be connected to the bone, wherein a set of joint components is provided, and the shank is designed as a bone replacement member, with a connection portion provided adapted to be connected to the bone at one end and at the other end to the shank.

Abstract: A bone prosthesis comprising at least one joint component replacing a natural joint half, which is provided with a shank adapted to be connected to the bone, wherein a set of joint components is provided, and the shank is designed as a bone replacement member, with a connection portion provided adapted to be connected to the bone at one end and at the other end to the shank.

Abstract: A bone nail for the treatment of fractures in the proximal femur zone is disclosed having a distal end portion adapted to be disposed at the outer surface of the femoral condyle, said end portion being provided with a coupling portion for engagement with a driving tool, a proximal end portion adapted to be seated in the proximal femur, and an arcuately curved portion between the ends, with the proximal end portion being provided with a rounded-off thickened portion at the free end thereof.

Abstract: A charger for a battery-operated surgical machine includes a charging circuit and a housing. The housing contains the charging circuit and is provided with at least one plug receptacle means for the battery component of the surgical machine. The housing is also fitted with a selector switch connected to the charging circuit. In a first position of the selector switch the charging circuit charges the battery immediately, while in a second position of the switch the charging circuit first discharges the battery down to a predetermined lower potential and then charges it up to a predetermined higher potential.

Abstract: A hip joint prosthesis comprises a femoral component having an elongated shank formed of a metal alloy and a joint head adapted to cooperate with the natural acetabulum or a prosthetic acetabulum likewise formed of a metal alloy. The shank has approximately the same width in the lateral-medial plane and a slightly downwards tapered width in the anterior-posterior plane.

Abstract: A bone nail for the treatment of fractures in the proximal femur zone is disclosed having a distal end portion adapted to be disposed at the outer surface of the femoral condyle, said end portion being provided with a coupling portion for engagement with a driving tool, a proximal end portion adapted to be seated in the proximal femur, and an arcuately curved portion between the ends, with the proximal end portion being provided with a rounded-off thickened portion at the free end thereof.

Abstract: An aiming apparatus for making transverse bores in a patient's bone in register with the holes or bores of an osteosynthesis aid in the bone, especially an interlocking nail, comprises an elongated holder for the accommodation of an aiming member adapted to be brought into the beam path of an X-ray apparatus, a reception head for receivig a drill or wire drill rotatably supported in the holder, and a power drive supported by the holder for rotatably driving the reception head. The reception head is made of a material transparent to X-ray radiation.

Abstract: A bone prosthesis comprising at least one joint component replacing a natural joint half, which is provided with a shank adapted to be connected to the bone, wherein a set of joint components is provided, and the shank is designed as a bone replacement member, with a connection portion provided adapted to be connected to the bone at one end and at the other end to the shank.

Abstract: A distal aiming device adapted to be connected to an x-ray apparatus is independent of the type of x-ray apparatus being used. A nail holding mechanism detachably receives the proximal end of an elongated locking nail. The locking nail is held approximately in parallel with an elongated aiming head retaining mechanism which for its part is fitted on a holding arm capable of displacement about the axis of the locking nail being held in the nail holding mechanism. The aiming head retaining mechanism carries an aiming head and is capable of displacement in a direction approximately in parallel with the axis of the nail being held in the nail holding mechanism. An adjusting pin is adapted to be accommodated by the aiming head in a direction normal to the axis of the locking nail.

Abstract: A device for positioning a holder for an aiming sleeve for implanted bone nail fasteners with respect to a Roentgen ray source includes a support (25) for supporting the holder (7). A base plate (12) and a pivotable bracket plate (3) receives the support means and is mountable on the housing of the Roentgen ray source for spacedly positioning the holder from the source. The support is formed as a fork-like element (26, 28, 29) retained in sleeves (38, 39) on the bracket plate by means of locking cams (8).

Abstract: A modular prosthesis assembly for replacement of at least part of a joint and part of a bone shaft including a mounting component provided with a connection portion and at least two joint components of similar shape but different dimensions and which can be connected alternatively to the mounting component, each of the joint components having an engagement portion and a connection part adapted for connection to the connection portion of the mounting component, the joint components each providing part of a bone shaft and part of a joint which can cooperate with an appropriate part of a natural or artificial joint.

Abstract: An aid for osteosynthesis has a bone plate containing a plurality of bores for receiving a carrier material containing an antibiotic. Grooves along the center and sides of the plate may also receive antibiotic carrier material. The outside of the carrier material may be roughened to improve fixation of the bone or tissue. Carrier material free areas may be provided on the plate to permit bending. These may be subsequently covered by caps.

Abstract: A tubular supply container for use in a medical syringe to dispense bone cement has a pipe formed tube with a slidable plunger. A smaller diameter injection pipe is removably secured to the forward end of the pipe formed tube. A funnel may also be applied to the forward end of the tube to assist in filling the container or may be placed on the rear end to serve as a stand.