Within U.S.A.About this Item: The Heron Press, (Kasterlee, Belgium), 1977. Original Art. Bruce Chandler and Steve Davis (illustrator).
First Edition. Twelve 7-3/8' x 10' individual sheets consisting of the title and colophon pages as well as 10 ORIGINAL ETCHINGS. Each artist is represented by 5 ORIGINAL ETCHINGS titled and initialed by the artist and printed at the Frans Masereel Centrum. This is copy #6 of only 20 copies produced and is SIGNED by both artists at the limitation leaf.
A rare example of the early work of these two artists and the prime title among the early works of the Heron Press which, operating out of Boston in the 1970s, produced in its first eight years 14 books, numerous catalogues, two broadsides, and two books for the Limited Editions Club. Chandler, who operated the press, apprenticed with George Lockwood and Leonard Baskin. Fine in cloth folder and clamshell box as issued. Seller Inventory # 019238 2. Within U.S.A.About this Item: Miser Bros Press, 2012. Condition: Good.
Jr.; Paul Coker; Jack Davis; Patrick Owsley; Jim Engel; Matt Pott; Bruce Timm; Kirsten Ulve; David Sheldon; Chris Mason (illustrator). A+ Customer service! Satisfaction Guaranteed! Book is in Used-Good condition. Pages and cover are clean and intact. Used items may not include supplementary materials such as CDs or access codes.
May show signs of minor shelf wear and contain limited notes and highlighting. Seller Inventory # -2-4 3.
Jan van der Marck, Siah Armajani, Richard Artschwager, John Baldessari, Iain Baxter, Mel Bochner, George Brecht, Jack Burnham, James Lee Byars, Robert H. Cumming, Francoise Dallegret, Jan Dibbets, John Giorno, Robert Grosvenor, Hans Haacke, Richard Hamilton, Dick Higgins, Davi Det Hompson, Robert Huot, Alani Jacquet, Ed Kienholz, Joseph Kosuth, Les Levine, Sol LeWitt, Robert Morris, Bruce Nauman, Claes Oldenburg, Dennis Oppenheim, Richard Serra, Robert Smithson, Guenther Uecker, Stan Van Der Beek, Bernar Venet, Frank Lincoln Viner, Wolf Vostell, William Wegman, William T. Within U.S.A.About this Item: Museum of Contemporary Art / Specific Object Chicago / New York, IL / NY 1969 / 2008, 1969. 30 x 30 cm.; black-and-white; edition size 20; unsigned and unnumbered; offset-printed Vinyl 33-1/3 LP record issued as exhibition catalogue for show held November 1 - December 14, 1969.
'Shortly after its opening, the Museum of Contemporary Art planned an exhibition to record the trend, incipient then and pervasive today, toward conceptualization of art. This exhibition, scheduled for the spring of 1968 and abandoned because of technical difficulties, consisted of works in different media, conceived by artists in this country and Europe and executed in Chicago on their behalf. The telephone was designated the most fitting means of communication in relaying instructions to those entrusted with fabrication of the artists' projects or enactment of their ideas. To heighten the challenge of a wholly verbal exchange, drawings, blueprints or written descriptions were avoided.'
- Jan van der Marck from record jacket. Artists on LP include: Siah Armajani, Richard Artschwager, John Baldessari, Iain Baxter, Mel Bochner, George Brecht, Jack Burnham, James Lee Byars, Robert H. Cumming, Francoise Dallegret, Jan Dibbets, John Giorno, Robert Grosvenor, Hans Haacke, Richard Hamilton, Dick Higgins, Davi Det Hompson, Robert Huot, Alani Jacquet, Ed Kienholz, Joseph Kosuth, Les Levine, Sol LeWitt, Robert Morris, Bruce Nauman, Claes Oldenburg, Dennis Oppenheim, Richard Serra, Robert Smithson, Guenther Uecker, Stan Van Der Beek, Bernar Venet, Frank Lincoln Viner, Wolf Vostell, William Wegman, William T. The 2008 screenprinted gatefold cover, produced by Specific Object, is an exacting reproduction of original 1969 offset printed cover, which incorporates an installation image on the back cover, and extensive introductory text and additional texts on each participating artist. Reference: 'Record As Artwork 1959 - 73' by Germano Celant.
London, United Kingdom: Royal College of Art Gallery, 1973. Original 1969 vinyl LP housed in 2008 screenprinted facsimile album cover. Vinyl in good condition, jacket is New. Seller Inventory # 24649 8. Within U.S.A.About this Item: Los Angeles County Museum of Art, Los Angeles, 1989. First edition. 211, 842 pages.
31.5 x 26.5 cm. Illustrated in color and black and white with Volume II presenting more than 5000 works with illustrations and text for each - the largest and most inclusive published on German Expressionist graphic art.
Volume I; Essays by Stephanie Barron, Wolf-Dieter Dube, Alexander Duckers, Peter Guenther, Rose-Carol Washton Long, Paul Raabe, Robert Gore Rifkind and Ida Katherine Rigby. Extensive indices. Black cloth decorated in blind. Fine in fine dust wrappers in chipped slipcase. Seller Inventory # 19800 9. Zimdahl, Prof.
Editor; Davis, Dr Adam S. Contributor; Maxwell, Dr Bruce Contributor; Clements, Prof. Contributor; Swanton, Prof. Contributor; Valente, T.
Contributor; Dille, Prof. Anita Contributor; Clay, Dr S. Contributor; Bruggeman, S. Contributor; Preston, Dr Christopher Contributor; Heap, Dr Ian Contributor; Jha, Prashant Contributor; Reddy, Dr Krishna N.
Baxter Stephen - Das Multiversum 1-3 Komplett Movie
Contributor; Liebman, Prof. Matt Contributor; Teasdale, Dr John R. Contributor; Gallandt, Prof. Contributor; Brainard, Daniel Contributor; Brown, Bryan Contributor; Knezevic, Prof. Contributor; Rubin, Prof. Baruch Contributor; Gamliel, Abraham Contributor; Gramig, Dr Greta Contributor; Mwendwa, Dr James M. Contributor; Weidenhamer, Jeffrey D.
Contributor; Weston, Leslie A. Contributor; Rosskopf, Dr Erin N. Contributor; Charudattan, Raghavan Contributor; Bruckart, William Contributor; Boyetchko, Dr Susan M. Contributor; Kenned.
Within U.S.A.About this Item: Los Angeles County Museum of Art, 1989. Cloth with Board Slipcase.
Condition: Near Fine. Dust Jacket Condition: Very Good. Two hardcover volumes in cardboard slipcase. Volume 1 with 214 pages; Volume 2 with 846 pages.
Texts in English and beautifully illustrated. Volume 1 has a small tear to the upper edge of the rear panel of the dustjacket.
Slipcase has wear, including a 1 inch tear at the lower open edge and cracks at two of the joins. Otherwise, each volume is in bright, crisp, sharp and clean condition.
Extensive and detailed cataloguing of every work in the vast and dense collection. Seller Inventory # 015452 19. Within U.S.A.About this Item: Jack Tilton Gallery New York, NY, 2011. 26.1 x 27.4 cm.; black-and-white & color; edition size unknown; unsigned and unnumbered; offset-printed Exhibition catalogue published in 2011 following a 2006 exhibition of the same name held at Jack Tilton Gallery in New York. Traveled to Roberts & Tilton, Los Angeles in 2007 with some changes.
Edited by Connie Rogers Tilton and Lindsay Charlwood. Introduction by Connie Rogers Tilton. Essays by Steve Cannon, Dale Davis, Josine Ianco-Starrels, Kellie Jones, Yael Lipschutz, John Outterbridge, Greg Pitts, Betye Saar, Tobias Wofford. Photographic contributions by Bruce W. Talamon and Harry Drinkwater. Artists include David Hammons, Ed Bereal, Wallace Berman, Nathaniel Bustion, Alonzo Davis, Dale Davis, Charles Dickson, Melvin Edwards, George Herms, Daniel LaRue Johnson, Edward Kienholz, Senga Nengudi, Joe Ray, John Riddle, Kenzi Shiokava, Timothy Washington, Stanley C.
Includes exhibition checklist, list of contributors, and index. Very Good / Fine. Light handling wear.
Contents are clean and unmarked. Due to very large size and weight additional shipping charges may be required. Seller Inventory # 25789 29.
Intervertebral implant comprises a three-dimensional body (10) with an upper side (1), a lower side, a left side surface, a right side surface, a front surface (5), a rear surface, a horizontal central plane lying between the upper and lower side, a vertical central plane running from the front to the rear surface, and a number of bores (9) penetrating the body and receiving longitudinal fixing elements (20). The body has on its front surface a front plate (8) penetrated by the bores and in which the fixing elements are anchored. The implant has a securing plate (18) fixed parallel to the front plate on the body or on the front plate so that the bores are at least partly covered by the securing plate. An independent claim is also included for a process for implanting an intervertebral implant between two adjacent vertebrae. From the GB-A-2 207 607 For example, an intervertebral implant is known which has a horseshoe shape with a plurality of cylindrical holes. The holes are formed smooth inside and only have a stop for the heads of the bone screws to be inserted therein.
The disadvantages of this arrangement are that the fixing screws inserted therein can only be anchored in the bone with their shank, without resulting in a rigid connection with the horseshoe-shaped intervertebral implant. As soon as the anchoring of the screw shank in the bone is weakened, the intervertebral implant becomes movable with respect to the screw and there is a tendency for migration of the bone screws while endangering the blood vessels. The loosening of the intervertebral implant can also lead to a pseudarthrosis. From the MICHELSON is known as an intervertebral implant, which has two holes with an internal thread on its front surface into which bone screws with a threaded head can be inserted.
The disadvantage of this implant is on the one hand the fact that the bone screws can loosen again and are not secured against unscrewing or falling out. On the other hand, there is the further disadvantage that the bone screws are completely attached to the implant body itself and the latter therefore undergoes a relatively large load. The invention aims to remedy this situation. The invention is based on the problem of providing an intervertebral implant which can form a permanently rigid connection with bone fixation means, so that no loosening occurs between the intervertebral implant and the bone fixation means even if the bone structure is weakened. In addition, a tension bandage for the bone fixation elements is to take place via a separately formed front plate so that the implant body experiences less stress, i.
Superimposed stresses, learns. On the front surface of the three-dimensional body, a front plate arranged vertically to the horizontal center plane of the intervertebral implant is mounted, through which pass the bores and in which the longitudinal fixation elements can be anchored. This has the advantage over two-part implants according to the prior art, in which a front plate is implanted in a separate operating step, the advantage that the implantation of the intervertebral implant is one-step and thus easier and faster feasible. Another advantage lies in the fact that thereby the fixation of the intervertebral implant is as frontally as possible on the vertebral body, i. Where usually good bone material is available. The result is an anterior limitation of movement without creating a greater risk to the surrounding structures than is the case with a prior art intervertebral implant. The load is still absorbed by the intervertebral implant under compression and not by the faceplate or fixation screws.
In a particular embodiment, at least one of the bores in the front plate is designed such that a longitudinal fixation element accommodated therein can be connected in a rigid manner to the front plate. For a rigid connection can be achieved, for example, that at least one of the holes has an internal thread. A corresponding bone screw with a threaded head can then be screwed in a rigid manner with the implant. An alternative to this is that at least one of the holes tapers conically towards the underside, so that a bone screw with a corresponding cone head can be rigidly anchored therein. The conical bore preferably has a cone angle that is smaller than the resulting friction angle. Conveniently, the taper of the conical bore is 1: 3.75 to 1: 20.00, preferably 1: 5 to 1: 15. In a particular embodiment, the front panel is formed in the three-dimensional body as an insert and preferably arranged displaceable vertically to the horizontal center plane, so that they can move relative to the three-dimensional body in the vertical.
This achieves a 'stress shielding' (protection or neutralization of mechanical stresses), which allows a gradual adaptation of the end plates to the intervertebral implant during the healing process. In a further embodiment, the front panel is made of a different material than the three-dimensional body, preferably of a metallic material. Titanium or titanium alloys are particularly suitable as metallic materials. The complete tension band arrangement (front plate and screws) can also be made of implant steel or high-alloyed metallic materials such as CoCrMo from CoCrMoC. The advantage of titanium lies in the tissue compatibility and the good bone ingrowth behavior. The advantage of the high-alloyed metallic material lies in its high strength values, which allow filigree constructions. The intervertebral implant can be made of any biocompatible material, conveniently, however, the body consists of a biocompatible plastic, preferably an unreinforced plastic.
The advantage over the fiber-reinforced plastics already known in implantology is that no reinforcing fibers are exposed, which is clinically disadvantageous. In such a body made of unreinforced plastic, bone screws may conveniently be used, the external thread has a load flank angle in the range of 11 ° to 14 °, preferably from 12 ° to 13 °. The comparatively low inclination of the load flank causes a high clamping force, whereby the radial expansion and the risk of cracking in the plastic are reduced. Conveniently, the external thread of the bone screws has a pitch angle in the range of 6 ° to 10 °, preferably from 7 ° to 9 °. This special pitch angle creates a self-locking in the thread and thus secures the bone screw against self-loosening. The invention and further developments of the invention will be explained in more detail below with reference to the partially schematic representation of an embodiment. Show it:.
Fig. 1 an exploded view of the inventive intervertebral implant with a locking plate;. Fig.
2 a longitudinal bone fixation means in the form of a screw;. Fig.
3 a front view of the composite intervertebral implant after Fig. 4 a side view of the composite intervertebral implant after Fig.
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5 a three-dimensional detail view of the body of the intervertebral implant, which after the fasteners to the front panel Fig. 6 shows;. Fig.
6 a three-dimensional detail view of the front plate of the intervertebral implant, which the connecting elements to the body after Fig. 5 shows; and.
Fig. 7 a fully assembled intervertebral implant with front plate according to the invention and with a locking plate. That in the Fig. 1-7 illustrated intervertebral implant comprises a three-dimensional body 10 in the form of a cage with a top 1 and a bottom 2, which are suitable for bearing against the end plates of two adjacent vertebral bodies, a left side surface 3 and a right side surface 4, a front surface 5 and a rear surface 6, a lying between the top 1 and bottom 2, horizontal center plane 7, extending from the front surface 5 to the rear surface 6 vertical center plane 12, four body 10 penetrating holes 9, which are suitable for receiving longitudinal fixation elements 20. The three-dimensional body 10 has on its front surface 5 a front plate 8, through which pass the holes 9 and in which the longitudinal fixation elements 20 are anchored. None of the four holes 9 completely pierces the front surface 5 of the body 10.
The body 10 is formed as a hollow body whose lateral surfaces are provided with perforations 19. The front plate 8 is made of titanium and the three-dimensional body 10 of a radiolucent, unreinforced plastic. The front panel 8 is as in the Fig. 5/6 shown formed as an insert for the body 10 and arranged displaceable vertically to the horizontal center plane 7. The body 10 has for this purpose at the transitions of the left side surface 3, and the right side surface 4 (FIG. 5 ) to the front surface 5 a parallel to the vertical center plane 12 extending, semicircular cylindrical groove 27.
The front plate 8 corresponds to the right and left ( Fig. 6 ) An equal and equal sized, semi-circular cylindrical rail 28. This allows the front panel - in the production of the intervertebral implant - with its two lateral rails 28 easily insert into the corresponding grooves 27 of the body 10 and position. The longitudinal fixation elements 20 are designed as bone screws. 2 1, the longitudinal fixation elements 20 introduced into the bores 9 have a head 21, a tip 22, a shaft 23 and an axis 24. The head 21 is provided with an external thread 25, which corresponds to the internal thread 11 of the bore 9, so that the heads 21 are anchored in the holes 9 in a rigid manner. The shaft 23 is provided with a thread 26 which is self-drilling and self-tapping.
The load flank angle of the thread 26 is 12.5 ° and the pitch angle 8 °.