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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 8173059 | Manufacturing process improvement A method of manufacturing an article using stereolithography in which the article includes at least one feature that defines an isolated volume is described. The method includes the step of forming one or more removable structures within said isolated volume from cu... | 05/08/2012 |
| 8133427 | Photo nanoimprint lithography The present invention is directed to providing a photo nanoimprint lithography which can form a more uniform base layer. A photo nanoimprint lithography according to the present invention includes the steps of discretely applying a photo-curable resist drop-wise ont... | 03/13/2012 |
| 8110135 | Process and freeform fabrication system for producing a three-dimensional object The present invention describes a process for producing a three-dimensional object, comprising: providing a material to be solidified, the material comprising a filler and a binder; delivering electromagnetic radiation and/or synergistic stimulation in a pattern or ... | 02/07/2012 |
| 8105527 | Rapid prototyping and manufacturing system and method A stereolithography apparatus having a resin vat with resupply containers in one-way flow communication and a leveling container in two-way how communication, an automatic offload cart to remove and replace build support platforms, an elevator assembly for supportin... | 01/31/2012 |
| 8048359 | Compensation of actinic radiation intensity profiles for three-dimensional modelers There is provided methods and apparatus for compensation of intensity profiles of imagers used in three-dimensional modelers. The intensity profile of the actinic radiation projected from the imager is determined by a variety of techniques, including but not limited... | 11/01/2011 |
| 8034279 | Method and device for manufacturing a three-dimensional object A method for manufacturing a three-dimensional object by successively solidifying layers of a building material at positions in the respective layer corresponding to the cross-section of the object is provided, wherein at least a partial region of a layer is solidif... | 10/11/2011 |
| 8021593 | Method of producing a three-dimensional structure and fine three-dimensional structure A method of producing a three-dimensional structure contains the steps of: arranging a substrate close to a tip of a needle-shaped fluid-ejection body having a fine diameter supplied with a solution, ejecting a fluid droplet having an ultra-fine diameter toward a su... | 09/20/2011 |
| 8003039 | Method for tilting solid image build platform for reducing air entrainment and for build release A solid imaging apparatus is provided that includes a replaceable cartridge containing a source of build material and an extendable and retractable flexible transport film for transporting the build material layer-by-layer from the cartridge to the surface of a buil... | 08/23/2011 |
| 8003040 | Process and freeform fabrication system for producing a three-dimensional object The present invention provides a process for producing at least one three-dimensional object, comprising: providing a material to be solidified; delivering electromagnetic radiation and/or synergistic stimulation in a pattern or an image to a building region for sol... | 08/23/2011 |
| 7959847 | Methods for multi-material stereolithography Methods and systems of stereolithography for building cost-efficient and time-saving multi-material, multi-functional and multi-colored prototypes, models and devices configured for intermediate washing and curing/drying is disclosed including: laser(s), liquid and/... | 06/14/2011 |
| 7931851 | Stereolithographic method and apparatus A method and an apparatus includes using a planar plotting mask which can continuously change a mask image; continuously moving the planar plotting mask with reference to the surface of the photocurable resin composition and exposing the surface of a photocurable re... | 04/26/2011 |
| 7927538 | Light-curing slips for the stereolithographic preparation of dental ceramics Slip based on a polyreactive binder, polymerization initiator and filler, which contains (A) 5-65 wt.-% polymerizable binder, (B) 0.001-1.0 wt.-% photoinitiator and (C) 35-90 wt.-% surface-modified ceramic and/or glass ceramic particles relative to the overall mass ... | 04/19/2011 |
| 7906061 | Bubble-free cross-sections for use in solid imaging A solid imaging apparatus and method employing build material transfer means effective to transfer solidifiable liquid build material from a first side of a radiation transparent build material carrier to a receiving substrate without entrapping air bubbles in layer... | 03/15/2011 |
| 7892473 | Feeder tube for filling containers with pills A pill delivery and packing apparatus having a feeder tube for delivering pills is provided. The feeder tube has a helical delivery chute that extends between an inlet side and an exit side of the tube. The delivery chute has a helical inner contour and a rectangula... | 02/22/2011 |
| 7892474 | Continuous generative process for producing a three-dimensional object The invention describes a process and a device for producing at least one three-dimensional object, a photo-polymerizable material is solidified by means of simultaneous or almost simultaneous exposure of a build area or partial build area in a building plane via el... | 02/22/2011 |
| 7875232 | Simultaneous negative cast and shell fabrication for custom hearing aids In a method to create a hearing aid housing shell and a negative cast for a hearing aid to be fitted to a patient's ear canal, a 3D jet printer apparatus is provided able to build a 3D part by injecting both the soft material and a hard material with the soft materi... | 01/25/2011 |
| 7871556 | Jettable compositions A fully curable jettable composition having a viscosity less than 30 cps at a temperature within the range of 15° C.-180° C. comprising (i) at least one low viscosity reactive resin; (ii) at least one higher viscosity resin having a viscosity greater than twice th... | 01/18/2011 |
| 7790093 | Process for the production of a three-dimensional object with resolution improvement by “pixel-shift” The invention relates to a process or a device for the production of a three-dimensional object by layer-wise solidification of a material which is solidifiable under the application of electromagnetic irradiation by means of mask illumination, wherein the mask is p... | 09/07/2010 |
| 7780897 | Hydrogel constructs using stereolithography A preferred embodiment of the present invention provides a method and system for building cost-efficient biocompatible hydrogel constructs using stereolithography. Hydrogel constructs may be used in, for example, multi-lumen nerve regeneration conduits and other tis... | 08/24/2010 |
| 7758799 | Edge smoothness with low resolution projected images for use in solid imaging A solid imaging apparatus and method employing sub-pixel shifting in multiple exposures of the digitally light projected image of a cross-section of a three-dimensional object on a solidifiable liquid medium. The multiple exposures provide increased resolution, pres... | 07/20/2010 |
| 7744801 | 3D modeling device and 3D modeling method for supplying material with high precision A 3D modeling device performs repeatedly a step of cutting a subsidiary material layer formed of a subsidiary material and cutting a modeling material layer formed of a modeling material. The 3D modeling device comprises at least one of a subsidiary material supplyi... | 06/29/2010 |
| 7736577 | Stereolithography apparatus and stereolithography method A stereolithography apparatus that forms a three-dimensional model by sequentially laminating cured resin layers through repetition of a cycle of selectively applying light to liquid photocurable resin to form a cured resin layer, further applying liquid photocurabl... | 06/15/2010 |
| 7731887 | Method for removing excess uncured build material in solid imaging Solid imaging apparatus and methods for use are disclosed that reduce the amount of uncured solid imaging build material remaining on a completed build object following the completion of the solid imaging build process. The amount of uncured build material is reduce... | 06/08/2010 |
| 7718111 | Photocurable compositions for articles having stable tensile properties A photocurable composition comprising cationically curable compound, an acrylate-containing compound; a hydroxyl-containing compound; a cationic photoinitiator; and a free radical photoinitiator; wherein said composition has less than 0.54 equivalents of cationicall... | 05/18/2010 |
| 7682551 | Method for manufacturing three-dimensional photonic structure A three-dimensional component having cavities containing a photocurable resin material and having a structure in which a plurality of cured resin layers composed of the photo-cured resin material are stacked, is manufactured by stereolithography. Inorganic members a... | 03/23/2010 |
| 7674422 | Reinforced thin-shell molds A method and a system for forming a polymeric resin mold for molding plastic items, wherein the method includes: (a) using a rapid-prototyping process to create a polymeric resin shell having a configuration in the form of the mold; (b) introducing a reinforcing mat... | 03/09/2010 |
| 7670541 | Optical shaping apparatus and optical shaping method The cross-sectional shape data of a three-dimensional model is divided according to work small areas obtained by dividing a work entire area where optical shaping work is performed into a plurality of areas, and work small area data which is cross-sectional shape da... | 03/02/2010 |
| 7655174 | Jettable compositions A fully curable jettable composition having a viscosity less than 30 cps at a temperature within the range of 15-180° C., more preferably at a temperature of 15-100° C., e.g. 60-80° C. the composition comprising: (A) at least one low viscosity reactive resin sele... | 02/02/2010 |
| 7604768 | Method for printing of three-dimensional objects A method to help control the quality of printed three-dimensional objects is provided. The method may include depositing building materials to print a three-dimensional object with an adjacent support construction such that the object and the support construction ar... | 10/20/2009 |
| 7585450 | Rapid prototyping and manufacturing system and method A stereolithography apparatus having a resin vat with resupply containers in one-way flow communication and a leveling container in two-way flow communication, an automatic offload cart to remove and replace build support platforms, an elevator assembly for supporti... | 09/08/2009 |
| 7438846 | Apparatus and method for the non-destructive separation of hardened material layers from a flat construction plane An apparatus and a method for the separation of a material layer (4) hardened on a flat plane (2) serving as a reference by means of a flexible, elastic separating layer (1) arranged between plane and material layer and designed in the form of a... | 10/21/2008 |
| 7435763 | Solid freeform compositions, methods of application thereof, and systems for use thereof Compositions, methods of using the compositions, and solid freeform fabrication (SFF) systems for producing three-dimensional objects are disclosed. One exemplary composition, among others, includes a basic component, an acidic component, at least one monoacrylate c... | 10/14/2008 |
| 7419630 | Methods and systems for rapid prototyping of high density circuits A preferred embodiment provides, for example, a system and method of integrating fluid media dispensing technology such as direct-write (DW) technologies with rapid prototyping (RP) technologies such as stereolithography (SL) to provide increased micro-fabrication a... | 09/02/2008 |
| 7406361 | Rapid prototyping method and apparatus using V-CAD data V-CAD data is prepared by dividing external data 12 consisting of boundary data of an object into rectangular parallelepiped cells 13 having boundary planes orthogonal to each other in accordance with octree division and separating the respective divid... | 07/29/2008 |
| 7377764 | Imprint lithography A lithographic apparatus is disclosed that has an imprint template or a template holder configured to hold an imprint template, and a substrate table arranged to receive a substrate, the apparatus further comprising walls which together with the substrate table and ... | 05/27/2008 |
| 7378460 | Ultra-violet light curable hot melt composition A UV curable composition useful for three-dimensional inkjet printing comprising (i) at least one UV curable urethane (meth)acrylate resin; (ii) at least one wax; (iii) at least one (meth)acrylate diluent; (iv) at least one photoinitiator; and (v) at least one polym... | 05/27/2008 |
| 7371400 | Multilayer device for tissue engineering The invention provides for translating two-dimensional microfabrication technology into the third dimension. Two-dimensional templates are fabricated using high-resolution molding processes. These templates are then bonded to form three-dimensional scaffold structur... | 05/13/2008 |
| 7368151 | Antiscattering grid and a method of manufacturing such a grid An antiscattering grid for an X-ray imaging apparatus of the type comprising a substrate having a plurality of metallized partitions that together define a plurality of cells distributed over the substrate. The partitions allow passage of the X-rays emitted from a s... | 05/06/2008 |
| 7368484 | Reverse thermal gels as support for rapid prototyping The present invention relates to novel polymeric compositions that exhibit Reverse Thermal Gelation (RTG) properties for use as Support Materials (SM) in the manufacture of three-dimensional objects. These polymers are Temperature Sensitive Polymers that respond wit... | 05/06/2008 |
| 7369915 | Device, system and method for accurate printing of three dimensional objects A system and method for building three dimensional objects may adjust data used to build the objects to, for example, improve quality or correct for defects. A printer may, for example, accept data representing the object and modify the data according to an adjustme... | 05/06/2008 |
