USOO8684743B2 (12) United States Patent (10) Patent No.: US 8,684,743 B2 Van Dalen et al. (45) Date of Patent: Apr. 1, 2014 (54) MODEL HUMAN EYE AND FACE MANIKIN 5, 195,896 A 3/1993 Sweeney et al. FOR USE THEREWITH 5,561,137 A 10, 1996 Or et al. 5,893,719 A 4/1999 Radow (75) Inventors: Johan T. W. Van Dalen, Tucson, AZ (Continued) (US); Dan D. Carda, Tucson, AZ (US) FOREIGN PATENT DOCUMENTS (73) Assignee: Eye Care and Cure Pte. Ltd, Singapore (SG) EP 1193664 A2 4/2002 JP 2007 127708 A 5/2007 (*) Notice: Subject to any disclaimer, the term of this WO 2009 152582 A1 12/2009 patent is extended or adjusted under 35 OTHER PUBLICATIONS U.S.C. 154(b) by 299 days. Gray,ray, AnatomyaOW ofO the h Ula bodyO 20,, sectionSec1On 1 C.I.c.1. The TUCS O f (21) Appl. No.: 13/189,434 the Eye), 1918, Retreived from http://www.bartleby.com/107/225. html. (22) Filed: Jul. 22, 2011 (Continued)O1 (65) Prior Publication Data Primary Examiner — Benjamin Layno US 2012/OO21397 A1 Jan.• 1-ys26, 2012 74). A ttorney,ey, Agent,Ag or FFirm — Dale F. Regelman;Regel Quarles1 Related U.S. Application Data & Brady LLP (60) Provisional application No. 61/367,335, filed on Jul. (57) ABSTRACT 23, 2010. A model human eye that is structurally Suited for practicing Surgical techniques, including extraocular muscle resection (51) G09BInt. Cl. 23/30 2006.O1 and recession, is presented. The model eye comprises a hemi ( .01) spherical-shaped, bottom assembly having multiple retinal (52) U.S. Cl. layers and a hemispherical-shaped, integrally molded top USPC - - - - - - - - - - - grgrrr. 434/267; 434/271 assembly having a visually transparent cornea portion Sur (58) Field of Classification Search rounding a visually opaque Sclera portion. The model eye USPC . 434/267, 271 further comprises an annular iris, a lenticular bag, an anterior See application file for complete search history. chamber having a first fluid disposed therein, and a posterior chamber having a second fluid disposed therein. The model (56) References Cited human eye further comprises a cylindrical member extending outwardly from the sclera portion, where the cylindrical U.S. PATENT DOCUMENTS member mimics an optic nerve, and a cone-shaped elasto 1,042,815 A 10/1912 Myers meric assembly attached to a distal end of the cylindrical 1476,621 A * 12, 1923 Kintner ......................... 434,271 member and having four elastomeric members extending out 1,881,602 A * 10/1932 Hughes ......................... 434,271 wardly, where a distal end of each elastomeric member is 1981,964 A * 1 1/1934 McFadden .................... 434,271 2,068,950 A * 1/1937 Hamilton ...................... 434,271 attached to the sclera portion, and where each of the elasto 2,670,569 A 3, 1954 Heina meric members mimics a rectus muscle. 4,710, 193 A 12, 1987 Volk 4,865,552 A 9/1989 Maloney et al. 19 Claims, 26 Drawing Sheets OA OOB 800 US 8,684,743 B2 Page 2 (56) References Cited OTHER PUBLICATIONS U.S. PATENT DOCUMENTS Martola et al., Central and Peripheral Corneal Thickness, A Clinical Study, 1968, Archives of Ophthamology, 79 (1):28-30. 5,964,776 A 10, 1999 Peyman 6,887,083 B2 5/2005 Umeyama et al. Bores, Ocular Anatomy, Aug. 23, 2002, pp. 3. 6,902.404 B2 * 6, 2005 Johnson, Jr. ........... 434,271 Kolb et al., Gross Anatomy of the Eye, Jan. 20, 2005, pp. 2. 6,923,654 B2 8, 2005 Johnson PCT/US2008/68665. International Search Report and Written 6,942,695 B1 9, 2005 Chapoy et al. Opinion dated Sep. 9, 2010. 7,066,598 B2 6, 2006 Niven 8,128,412 B2 3/2012 Carda et al. 200880 1014894 Chinese Office Action dated Nov. 23, 2011. 8,137,111 B2 3/2012 Carda et al. EP087722047 Supplementary EU Search Report dated Oct. 6, 2002/0028429 A1 3, 2002 Umeyama et al. 2011. 2004/OO97166 A1 5, 2004 Maddocks et al. PCT/US2012/047895. International Search Report and Written 2004/O189934 A1 9, 2004 Niven 2007/0254841 A1 11/2007 Ousler et al. Opinion dated Jan. 29, 2013. 2008/0227073 A1 9, 2008 Bardsley et al. 2009, OOO4637 A1 1/2009 Carda et al. * cited by examiner U.S. Patent Apr. 1, 2014 Sheet 1 of 26 US 8,684,743 B2 CORNEA, ARR CHAMBER RES U.S. Patent Apr. 1, 2014 Sheet 2 of 26 US 8,684,743 B2 1.--- - 100-1 U.S. Patent Apr. 1, 2014 Sheet 3 of 26 US 8,684,743 B2 F.G. 2A i - 22 - 20 sew e reserer------aranar---------- s xx Y 2. 2:- U.S. Patent Apr. 1, 2014 Sheet 4 of 26 US 8,684,743 B2 & U.S. Patent Apr. 1, 2014 Sheet 5 of 26 US 8,684,743 B2 s U.S. Patent Apr. 1, 2014 Sheet 6 of 26 US 8,684,743 B2 U.S. Patent Apr. 1, 2014 Sheet 7 of 26 US 8,684,743 B2 U.S. Patent Apr. 1, 2014 Sheet 8 of 26 US 8,684,743 B2 i U.S. Patent Apr. 1, 2014 Sheet 9 of 26 US 8,684,743 B2 U.S. Patent Apr. 1, 2014 Sheet 10 of 26 US 8,684,743 B2 -328 U.S. Patent Apr. 1, 2014 Sheet 11 of 26 US 8,684,743 B2 s U.S. Patent Apr. 1, 2014 Sheet 12 of 26 US 8,684,743 B2 F.G. 48 U.S. Patent Apr. 1, 2014 Sheet 13 of 26 US 8,684,743 B2 43 U.S. Patent Apr. 1, 2014 Sheet 14 of 26 US 8,684,743 B2 U.S. Patent Apr. 1, 2014 Sheet 15 of 26 US 8,684,743 B2 U.S. Patent Apr. 1, 2014 Sheet 16 of 26 US 8,684,743 B2 F.G. 6B \ 63: 83 -- 6:0 U.S. Patent Apr. 1, 2014 Sheet 17 of 26 US 8,684,743 B2 U.S. Patent Apr. 1, 2014 Sheet 18 of 26 US 8,684,743 B2 F.G. 7B U.S. Patent Apr. 1, 2014 Sheet 19 of 26 US 8,684,743 B2 U.S. Patent Apr. 1, 2014 Sheet 20 of 26 US 8,684,743 B2 {}{}{} U.S. Patent Apr. 1, 2014 Sheet 21 of 26 US 8,684,743 B2 SEROR RECTS FG. 8A CORNEA, - PUPL ATERAI 104 MEDA. RECUS RECS Y an amaa a mamma NEROr RCS - ANNULUS / AA --- SEROR A A RECTUS ---- ^ RECS / A ----------M.- -r---> --N -A-r"A. ------ All- --- -------Y -- (ORNEAc / / z722:22. 4,-,-,-,-,-,-,-, Ayyy" i rter. -------4-lizZA 4. A (-i \ y 74------4 N. Y LATERAL OPTIC / 7-S->-1- NERf yA N A. - Y- NEROR RECS RECS U.S. Patent Apr. 1, 2014 Sheet 22 of 26 US 8,684,743 B2 U.S. Patent Apr. 1, 2014 Sheet 23 of 26 US 8,684,743 B2 - 110 952 -- U.S. Patent Apr. 1, 2014 Sheet 24 of 26 US 8,684,743 B2 U.S. Patent Apr. 1, 2014 Sheet 25 of 26 US 8,684,743 B2 - 100 U.S. Patent Apr. 1, 2014 Sheet 26 of 26 US 8,684,743 B2 US 8,684,743 B2 1. 2 MODEL HUMAN EYE AND FACE MANIKIN having four elastomeric members extending outwardly there FOR USE THEREWITH from. The distal ends of each of the elastomeric members are attached to the Sclera portion. CROSS REFERENCE TO RELATED Applicants invention further comprises a face manikin APPLICATIONS formed to mimic a human-face comprising a raised, face mimicking structure Surrounded by a trough, wherein the This Application claims priority from a U.S. Provisional face-mimicking structure comprises two eye sockets extend Patent Application having Ser. No. 61/367,335 filed on Jul. ing therethrough, an exterior Surface, and an interior Surface, 23, 2010, which is incorporated by reference herein. two attachment straps wherein each attachment strap com 10 prises a first end attached to said interior Surface adjacent one FIELD OF THE INVENTION of the eye sockets, two attachment buckles wherein each attachment buckle attached to said interior Surface adjacent This invention relates to a model human eye for pedagogi one of the eye sockets. The exterior surface of the face cal use by medical professionals. mimicking structure comprises an eyebrow element disposed 15 adjacent a first side of each eye Socket, a nose feature disposed BACKGROUND OF THE INVENTION between the eye sockets and adjacent a second and opposing side of the eye sockets, and a mouth feature disposed adjacent the nose feature. Medical students, interns, residents, and fellows, special One or two model eyes can be releasably disposed in the izing in diagnosing and treating injuries to, and the diseases face manikin Such that a cornea portion extends outwardly of the eye must necessarily practice certain Surgical tech through an eye Socket. Various Surgical procedures can be niques on various models of the human eye prior to actually practiced using one or both of the model eyes. The used model operating on human patients. Prior art training methods often eyes can then be removed from the face manikin, and those use animal eyes, such as, for example human cadaver eyes or used model eyes can be retained for study or discarded. New cow eyes. 25 model eyes can be disposed in the face manikin and the The use of human cadaver and/or animal eyes (collectively Surgical procedure practiced a plurality of times. “biological eyes”) is burdened with many procedural issues. The biological eyes must be refrigerated before use, and even BRIEF DESCRIPTION OF THE DRAWINGS when refrigerated suffer from a short “shelflife' due to inevi table biological decomposition.