1
Jurgen Harms, Lutz Biedermann: Pedicle screw. Donald Brown, August 7, 1990: US04946458 (623 worldwide citation)

A pedicle screw (1) for use in the monosegmental or multisegmental stabilization of the spinal column comprises a thread and a receiver portion. In order to facilitate the mounting and to reduce the stress of the screw and the threaded rods for connection therewith, a threaded shaft part (2) and a r ...


2
Lutz Biedermann, Jurgen Harms: Anchoring member. George W Neuner, September 30, 1997: US05672176 (564 worldwide citation)

An anchoring member for connecting a rod with a bone comprises a screw member having a treaded portion and a screw head with a spherical segment-shaped portion, a seat part receiving said screw head of said screw member and said rod, and a pressure member formed to embrace said screw head from its s ...


3
Lutz Biedermann, Jurgen Harms: Bone screw. Biedermann Motech, Donald Brown, August 22, 1995: US05443467 (538 worldwide citation)

A bone screw comprises a receiver member (5) and a screw member (1) having a threaded portion (2) and a head (3) having a spherical segment-shaped portion. The receiver member (5) comprises an internal thread (10) for allowing a relative adjustment of receiver member and screw member and the connect ...


4
Jurgen Harms, Lutz Biedermann: Pedicle screw and receiver member therefore. Prufer, Donald Brown, May 4, 1993: US05207678 (531 worldwide citation)

For a pedicle screw a receiver member is provided for hingedly connecting a screw (2) comprising a threaded shaft portion (3) and a spherical-segment-shaped head (4) on the one hand and a rod (16) on the other hand. In order to improve the stocking costs for screws of different shaft lengths and sha ...


5

6
Lutz Biedermann, Jurgen Harms: Anchoring member and adjustment tool therefor. George W Neuner, February 10, 1998: US05716356 (333 worldwide citation)

An anchoring member is provided with a shaft 2, 12 for anchoring in a bone and a head 3, 53 with a substantially U-shaped cross-section for connection with a rod 9, 59, the head having a base 5, 55 connected with the shaft 2, 12 and two free legs 6, 7; 56, 57 forming a channel for receiving the rod ...


7
Lutz Biedermann, Jürgen Harms: Bone screw. George W Neuner, Edwards & Angell, October 29, 2002: US06471705 (324 worldwide citation)

There is provided a bone screw known per se, having a threaded portion (


8
Jurgen Harms, Lutz Biedermann: Place holder, in particular for a vertebra body. R T Gammons, April 11, 1989: US04820305 (309 worldwide citation)

A prosthesis in the form of a hollow, cylindrical jacket for insertion in the gap between adjacent bone ends, the jacket being provided with reticulated sides and with toothed ends for engagement with the bone ends.


9
Lutz Biedermann, Jurgen Harms: Bone screw. Donald Brown, George W Neuner, May 11, 1993: US05209753 (265 worldwide citation)

A bone screw (1) has a threaded portion (2) and a head (3). Such screws are used in particular as pedicle screws. In order that the bone screw can be anchored securely also in soft bone tissue, the screw is provided with a longitudinal bore (5) extending along the longitudinal axis of the threaded p ...


10


Click the thumbnails below to visualize the patent trend.