WO2010044029A1 - Imaging device and method - Google Patents

Imaging device and method Download PDF

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Publication number
WO2010044029A1
WO2010044029A1 PCT/IB2009/054439 IB2009054439W WO2010044029A1 WO 2010044029 A1 WO2010044029 A1 WO 2010044029A1 IB 2009054439 W IB2009054439 W IB 2009054439W WO 2010044029 A1 WO2010044029 A1 WO 2010044029A1
Authority
WO
WIPO (PCT)
Prior art keywords
imaging
foil
sections
imaging surface
section
Prior art date
Application number
PCT/IB2009/054439
Other languages
French (fr)
Inventor
Rik Harbers
Michael C. Van Beek
Wouter H. J. Rensen
Original Assignee
Koninklijke Philips Electronics N.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP08166784.2 priority Critical
Priority to EP08166784 priority
Application filed by Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of WO2010044029A1 publication Critical patent/WO2010044029A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B46/00Surgical drapes
    • A61B46/10Surgical drapes specially adapted for instruments, e.g. microscopes
    • A61B46/13Surgical drapes specially adapted for instruments, e.g. microscopes the drapes entering the patient's body
    • A61B46/17Surgical drapes specially adapted for instruments, e.g. microscopes the drapes entering the patient's body closed at the distal end
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B46/00Surgical drapes
    • A61B46/10Surgical drapes specially adapted for instruments, e.g. microscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • A61B2017/00902Material properties transparent or translucent
    • A61B2017/00907Material properties transparent or translucent for light
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • A61B2017/00902Material properties transparent or translucent
    • A61B2017/00915Material properties transparent or translucent for radioactive radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • A61B2017/00902Material properties transparent or translucent
    • A61B2017/00915Material properties transparent or translucent for radioactive radiation
    • A61B2017/0092Material properties transparent or translucent for radioactive radiation for X-rays
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/05Splash shields for protection of the surgeon, e.g. splash guards connected to the apparatus

Abstract

The invention relates to the field of imaging an object, and, more specifically, to a method of imaging an object and to an imaging device comprising an imaging surface (14). A replaceable first foil section (18a) is arranged at an exposed position in front of the imaging surface (14), covering the imaging surface. Further foil sections (18) of a supply of foil sections are arranged to automatically get into an exposed position in front of the imaging surface (14) on removing a respective previous foil section (18a) from its exposed position in front of the imaging surface (14).

Description

Imaging device and method
FIELD OF THE INVENTION
The invention relates to the field of imaging an object, and, more specifically, to a method of imaging an object and to an imaging device comprising an imaging surface.
BACKGROUND OF THE INVENTION
Imaging devices or scanners for imaging a part of a body, e.g. a hand or a finger, are known. For example, during imaging, the object may be in contact with an imaging surface or contact surface. For purposes of hygiene the imaging surface or contact surface has to be cleaned from time to time. When the object is to be placed in a compartment for imaging and, for example, the imaging surface is an inner surface of the compartment, cleaning the imaging surface can be difficult or very time consuming.
SUMMARY OF THE INVENTION It would be advantageous to provide an imaging device that facilitates maintaining a clean imaging surface or contact surface when imaging objects that may contact the imaging surface or contact surface.
To better address this concern, in a first aspect of the invention an imaging device is presented that comprises an imaging surface and a replaceable first foil section, - wherein the foil section is arranged at an exposed position in front of the imaging surface, covering the imaging surface, wherein the imaging device comprises imaging means which are arranged for imaging an object through the imaging surface and through the foil section, and wherein the imaging device further comprises a supply of further foil sections, in particular, clean foil sections, each of the further foil sections being arranged to automatically get into an exposed position in front of the imaging surface on removing a respective previous foil section from its exposed position in front of the imaging surface.
Preferably, the exposed position is a position in front of the imaging surface where a foil section is exposed. That is, the foil section is not covered. The foil section in front of the imaging surface may form a contact surface for the object to be imaged.
Because the exposed foil section covers the imaging surface, an object to be imaged may contact the foil section, but may be prevented from directly contacting the imaging surface. After an imaging procedure, and before another imaging procedure, the foil section in front of the imaging surface may be replaced, that is, a further foil section may get into an exposed position in front of the imaging surface, while removing a previous foil section. Thus, the further foil sections of the supply may successively replace previous foil sections at the exposed position. For example, the foil sections are arranged such that when the previous foil section is removed in an appropriate manner, a further foil section automatically gets into the exposed position covering the imaging surface. Thus, for example, only a simple, single motion of removing the previous foil section is required to achieve a clean exposed surface.
Thus, the invention allows to provide a clean, exposed surface without requiring actually a cleaning procedure of the imaging surface or of a contact surface, such as a wiping or rinsing procedure. Therefore, it is possible to considerably increase the rate in which images can be taken while making sure that each object may be imaged through a clean imaging surface or contact surface. Increasing the rates in which images of different objects can be taken is of great importance, for example, in screening applications. Providing a clean, exposed surface is advantageous for purposes of hygiene and sterility.
Moreover, providing a clean, exposed surface is advantageous, because it allows to prevent dirt or residues from interfering with the imaging procedure. Thus, it can be ensured that all features of the image taken originate from the object, which is currently imaged.
Useful details of the invention are indicated in the dependent claims.
In one embodiment, each of the further foil sections of the supply is connected to the respective previous foil section. This allows defining the relative position of a foil section and a previous foil section. This facilitates correctly positioning the foil sections in front of the imaging surface.
In one embodiment, the imaging means are arranged for imaging, through the imaging surface and through the foil section, an object contacting the foil section. The foil section may form a contact surface for the object. Because a used foil section may be removed, the contamination of the exposed foil section due to contact with the object can be dealt with in a simple and fast manner. In particular, a clean exposed surface can be provided in a very simple and reliable manner.
In one embodiment, the further foil sections of the supply are stacked on top of each other, the first foil section being a topmost foil section of the supply, and the further foil sections being arranged to sequentially become the topmost foil section by lifting and removing the previous topmost foil section. For example, the further foil sections of the supply are stacked on top of each other in a flat configuration. For example, the configuration may be adapted to a shape of the imaging surface. For example, the foil sections are separate pieces of foil. The foil sections or pieces of foil may be connected, for example, by adhesion between the different foil sections, or the foil sections may be indirectly connected by adhesion between the foil sections and one or more layers of material arranged between the foil sections. For example, each foil section, which is or has become the topmost foil section, is separable from the next, lower foil section by lifting the topmost foil section from the stack. For example, the supply of foil sections adheres to the imaging surface. Thus, the imaging quality is improved, because, when the object contacts the topmost or exposed foil section, there is no air gap between the imaged object and the foil section and/or the imaging surface.
Stacking the foil sections of the supply has the advantage that the supply needs no extra space at the imaging device, because all foil sections of the supply are already present, e.g. in a flat configuration, in front of the imaging surface.
The described stacked foil sections of the supply may be also applied independently of the imaging device. Thus, in a further aspect, there is provided a supply of foil sections for covering a working surface or contact surface of a device, which foil sections are stacked on top of each other, the foil sections comprising a first foil section being a topmost foil section of the supply, and further foil sections, which are arranged to sequentially become the topmost foil section by lifting and removing the previous topmost foil section. Furthermore, in a further aspect, there is provided a device comprising a contact surface and such a supply of foils, which are arranged in front of the contact surface, covering the contact surface. In one embodiment of the invention, the first foil section and the further foil sections of the supply form a continuous web, and the further foil sections are arranged to sequentially get into an exposed position in front of the imaging surface by moving the web along the imaging surface. For example, the web is moved lengthwise along the imaging surface. For example, the foil sections are sections of the continuous web, the foil sections being arranged sequentially. Since the foil sections form a continuous web, they are connected with each other. For example, the foil sections of the supply may form a supply roll on a supply cylinder or roll-off cylinder. For example, the imaging device may further comprise a collecting cylinder or roll-on cylinder for rolling up foil sections that have been removed from the exposed position in front of the imaging surface. That is, the continuous web may be unrolled from the supply cylinder and, after use, may be rolled up onto the collecting cylinder, foil section by foil section.
In one embodiment, the imaging means are imaging means for imaging the object using electromagnetic radiation, the imaging surface and the foil sections being transparent for said electromagnetic radiation. That is, the foil sections are penetrable by said electromagnetic radiation. For example, the electromagnetic radiation may comprise a specific wavelength range, and the foil sections may be transparent for light of said wavelength range. Thus, the foil section or foil sections in front of the imaging surface do at most partially obstruct the imaging procedure. In one embodiment, the imaging device is an optical imaging device, the imaging surface and the foil sections being optically transparent. That is, they are transparent for visible light. This allows to use an optical imaging procedure.
In one embodiment, the foil sections carry a substance. For example, the foil sections carry the substance on an upper and/or a lower side. The substance is, e.g., a non- solid substance, such as a liquid, a gel, a pliant substance, a substance forming a liquid film on the foil section, a soft matter substance, or a substance capable of flowing. For example, the foil sections carry a layer of such a substance. Thereby, a coupling or adherence of the foil sections to the imaging surface and/or to the object may be improved, thus improving the imaging quality. It is noted that improving the adherence may comprise controlling the adherence, and may comprise increasing or decreasing the adherence as compared to a
"naked" foil section. For example, the adhesion to the object and to the imaging surface may be enhanced, whereas the adherence between the foil sections of a stack of foil sections may be lowered in order to facilitate separating them.
For example, the substance is a sterilizing and/or disinfectant substance. Thus, the hygiene of the imaging device may be improved. Thereby, for example, the number of imaging procedures, after which the exposed foil section is replaced, may be increased.
In one embodiment, the object is a part of a human body. For example, the object may be a hand or a finger. When the object is a part of a human body, it is highly advantageous that the invention allows to provide a clean exposed surface in a quick and simple manner after contamination of the exposed surface due to contact with the imaged object.
In a further aspect of the invention, there is provided a supply of foil sections for being used with an imaging device as described above, the foil sections being arranged to automatically get, when the supply is used with the imaging device, into an exposed position in front of the imaging surface on removing a respective previous foil section from its exposed position in front of the imaging surface. For example, dimensions, a shape and/or a size of the foil sections are adapted to corresponding dimensions, a shape and/or a size of the imaging surface. For example, as described above, the supply of foil sections may be a supply of stacked foil sections or may be a supply roll of foil sections forming a continuous web. After the supply of foil sections is used up, it may be replaced by a new supply of foil sections.
In a further aspect of the invention, there is provided a method of imaging an object, the method comprising the steps of: - arranging a foil section at an exposed position in front of an imaging surface, covering the imaging surface, imaging the object through the imaging surface and through the foil section, and removing the foil section from its exposed position in front of the imaging surface, thereby automatically arranging a further foil section at an exposed position in front of the imaging surface.
For example, this further foil section is a foil section from a supply of further foil sections, in particular, clean foil sections. Advantages and further features of the method according to the invention correspond to advantages and further features of the imaging device as described above.
These and other aspects of the invention will be apparent from and indicated with reference to the embodiments described hereinafter.
BRIEF DESCRIPTION OF THE DRAWINGS The invention will be described in greater detail hereinafter, by way of non- limiting examples with reference to the embodiments shown in the drawings. Fig. 1 illustrates an imaging device according to the invention; Fig. 2 illustrates a detail of the imaging device of Fig. 1; Fig. 3 illustrates a supply of foil sections for the imaging device of Fig. 1; Fig. 4 illustrates a further embodiment of an imaging device according to the invention;
Fig. 5 illustrates a detail of the imaging device of Fig. 4; and Fig. 6 illustrates a supply of foil sections for the imaging device of Fig. 4.
DETAILED DESCRIPTION OF EMBODIMENTS
In Fig. 1, the structure of an inventive imaging device for imaging an object 10 is schematically illustrated. An imaging substrate 12 forming an imaging surface 14 is arranged in front of imaging means 16. The imaging means 16 are arranged for imaging the object 10 in front of the imaging surface 14 through the imaging substrate 12 and imaging surface 14. For example, the imaging means 16 may include one or more lighting elements 17 (light sources) for lighting the object 10 while it is imaged. For example, the imaging means 16 include an imaging sensor such as an electronic light sensor, e.g. a CCD sensor. On top of the imaging surface 14, there is arranged a stack 16 of foil sections 18, which cover the imaging surface 14. The stack 16 forms a supply of foil sections 18. The topmost foil section 18a is in an exposed position and can be contacted or touched by the object 10. For example, the object 10 is a part of a human body, for example a hand or a part of a hand. The topmost foil section 18a is removable after use. For example, each foil section 18 has a subsection having a reduced adhesion to the neighboring foil section 18 below. For example, this subsection may be a "peel-off corner" of the foil section. In Fig. 1, the peel-off corner of the topmost foil section 18a is indicated as a loose subsection. For example, a user may grab the subsection of the foil section 18a and peel off the topmost foil section 18a from the stack 16.
When removing the topmost foil section 18a, possible contaminations of the exposed surface of the topmost foil section 18a or dirt is removed with the foil section. Thus, the next foil section 18b gets into an exposed position, providing a clean surface, again. The next foil section 18b becomes the topmost foil section. Thus, for a new imaging procedure, a clean exposed surface is available. It should be noted that on removing the topmost foil section 18a, the next foil section automatically gets into the exposed position in front of the imaging surface 12, becoming the new topmost foil section.
The step of removing the topmost foil section may be repeated. Thus, the foil sections 18 of the stack 16 sequentially become the topmost foil section. Thus, an image can be taken through the imaging substrate 12 and the stack 16 of foil sections 18 while ensuring that the exposed surface of the topmost foil section will not create artefacts due to dirt or contamination resulting from previous imaging procedures.
The foil sections 18 are, for example, connected to each other by adhesion between the foil sections. For example, the foil sections 18 adhere to the imaging surface.
For example, the foil sections 18 are elastic in order to permit matching the shape of the imaging surface 14 and/or the object 10.
In Fig. 1 , the dimensions are chosen for illustrative purposes only. For example, the thickness of the foil sections 18 is exaggerated in order to better illustrate the structure. Furthermore, the number of the foil sections in the stack 16 is not limited to that of the illustrated example.
Fig. 2 schematically illustrates a detail of the foil sections 18 of the stack 16. As is shown in Fig 2, between the foil sections 18 and on top of the topmost foil section 18a, a substance 20 is applied. The substance 20 may also be applied between the lowermost foil section 18 and the imaging surface 14, e.g. in order to enhance the adherence and/or optical coupling to the imaging surface 14. For example, the substance 20 forms a layer on top of each side of the foil sections 18. Thus, the foil sections 18 of the stack 16 are connected via the layers of the substance 20.
For example, the substance 20 is a disinfectant substance. Additionally or alternatively, the substance 20 may be a sterilizing substance.
Additionally or alternatively to a disinfectant and/or sterilizing substance, the substance 20 could also be, for example, a soft substance for improving contact and/or adhesion to the object 10.
For example, the substance 20 is a gel. Thus, the substance 20 may function as a soft substrate for the object 10. However, the substance 20 may be firm enough in order to prevent being pressed out between the foil sections 18 of the stack 16 when the object 10 presses onto the stack 16.
For example, the substance 20 may be a gel the viscosity of which decreases when it is warmed, for example, by a warm object 10, like a part of a hand. For example, the gel may be adapted to become pliable by warmth. Thus, when a warm object 10 is placed on the substance 20 on top of the topmost foil section 18a, the substance 20 will shape itself in accordance with the object, thereby e.g. improving optical coupling.
Furthermore, for example, the substance 20 may have both the function of a disinfectant and the function of improving the contact or adhesion to the object 10, as described. Instead of the substance 20, there may also be applied a mixture of substances, or there may be layers of different substances arranged between the foil sections 18 and/or on top of the topmost foil section 18a.
In general, the substance 20 may control the adhesion between neighboring foil sections 18. For example, the substance 20 may include or be an adhesive.
In order to prevent undesired reflections of light during the imaging procedure, for example, the refractive index of the substance 20 may be substantially equal to, i.e. at least very close to or equal to the refractive index of the foil sections 18, and, for example, the refractive index of the foil sections 18 and of the substance 20 may substantially be in the range between the index of the imaging substrate 12 and the index of the object 10. That is, the refractive index of the foil sections 18 is within said range and/or close to the refractive index of the imaging substrate 12 or close to the refractive index of the object 10. Thereby, light emitted by the imaging means 16 may be guided to and/or into the object 10, and undesired reflections are substantially prevented. When complete stack 16 of foil sections 18 has been used, a new stack 16 may be applied to the imaging surface 14.
Fig. 3 shows a supply of foil sections 18 forming a stack 16' for replacing the stack 16, when it is used up, on top of the imaging surface 14. For example, a lower surface of the lowermost foil section of the stack 16' is protected by a protection layer 22. After removing the protection layer 22, the stack 16' may be placed on top of clean imaging surface 14 of the imaging device.
A stack of foil sections as shown in Fig. 3 may also be applied independently of the imaging device. For example, the stack 16' may be arranged on top of a working surface of a device. The imaging surface 14 of the imaging device of Fig. 1 is a special example of a working surface. Whenever the working surface is contaminated, a new clean, exposed surface can be provided by removing the topmost foil section from the stack 16'. The supply of foil sections 18 may advantageously be used in any application where hygiene and/or sterility are desired on a working surface, and where cleaning the working surface after use is cumbersome, time consuming or even impossible. Fig. 4 illustrates a further embodiment of the imaging device. The imaging substrate 12 and the imaging means 16 have a structure similar to the imaging device of Fig. 1. However, the foil sections 18 of the supply are not supplied as a stack 16, but the foil sections form a continuous web 24 which is supplied on a supply roll 26 and, after use, collected on a collecting roll 28. Between the rolls 26 and 28, the web 24 is guided along the imaging surface
14 of the imaging substrate 12. For example, the rolls 26, 28 are driven by a controller 30.
When the foil section 18 has been used in an imaging procedure, for example, the foil section
18 is moved towards the collecting cylinder in order to be rolled onto the collecting cylinder 28. Thereby, automatically a new foil section, which is rolled off from the supply roll 26, is brought into the exposed position in front of the imaging surface 14.
As is illustrated in Fig. 5, the top surface of the web 24 and, thus, of the foil sections 18, may carry a substance 20 similar to the substance 20 described above.
Additionally or alternatively, the lower surface of the web 24 and, thus, of the foil sections 18, may carry the same or a different substance similar to the substance 20 described above.
Thus, e.g., the adherence and/or the optical coupling to the imaging surface 14 may be improved.
When no more fresh foil sections are available on the supply roll 26, for example, a new supply of foil sections 18 may be installed. Fig. 6 shows a supply of foil sections 18 for use with the imaging device of
Fig. 4. For example, the new supply may include a full supply roll 26 and an empty collecting roll 28. In one embodiment, the supply may include the full supply roll 26, but not the collecting roll 28. In this case, e.g., the previously used, now empty supply roll 26 may be used as the collecting roll 28 for the new supply roll 26. It is advantageous that the used foil sections 18 of the supply of Fig. 3 and the supply of Fig. 6 can be discarded after use. Furthermore, it is advantageous that on removing a used foil section 18, a new, clean foil section 18 is automatically positioned in an exposed position in front of the imaging surface, for example, to be used for imaging the next object
10. The material of the foil sections 18 may be chosen to suit the application. For example, if an optical imaging procedure is used as described, a transparent foil material may be used.
While the invention has been illustrated and described in detail in the drawings and foregoing description, such illustration and description are to be considered illustrative or exemplary and not restrictive. The invention is not limited to the disclosed embodiments. For example, a reflection geometry configuration has been described where the light source and the imaging sensor are on the same side of the imaged object. However, a transmission geometry, where a source of radiation and the imaging sensor are on opposite sides of the imaged object, is also possible. Other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure and the attended claims. Furthermore, all the disclosed elements and features of each disclosed embodiment of the imaging device or the supply of foil sections or the method can be combined with, or substituted for, the disclosed elements and features of every other disclosed embodiment of the imaging device, the supply of foil sections, or the method, respectively, except where such elements or features are mutually exclusive. The mere fact that certain measures are cited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. In the claims, the word "comprising" does not exclude other elements or steps, and the indefinite article "a" or "an" does not exclude a plurality. Any reference signs in the claims should not be construed as limiting the scope.

Claims

CLAIMS:
1. Imaging device, comprising: an imaging surface (14); and a replaceable first foil section (18a), which is arranged at an exposed position in front of the imaging surface (14), covering the imaging surface, - imaging means (16) arranged for imaging an object (10) through the imaging surface (14) and through the foil section (18a), wherein the imaging device further comprises a supply of further foil sections (18), each of the further foil sections (18) being arranged to automatically get into an exposed position in front of the imaging surface (14) on removing a respective previous foil section (18a) from its exposed position in front of the imaging surface (14).
2. Imaging device as claimed in claim 1, wherein each of the further foil sections (18) of the supply is connected to the respective previous foil section (18; 18a).
3. Imaging device as claimed in claim 1 or 2, wherein the imaging means (16) are arranged for imaging, through the imaging surface (14) and through the foil section (18a), an object (10) contacting the foil section (18a).
4. Imaging device as claimed in one of the claims 1 to 3, wherein the further foil sections (18) of the supply are stacked on top of each other, the first foil section (18a) being a topmost foil section of the supply, and the further foil sections (18) being arranged to sequentially become the topmost foil section by lifting and removing the previous topmost foil section (18a).
5. Imaging device as claimed in one of the claims 1 to 3, wherein the first foil section (18a) and the further foil sections (18) of the supply form a continuous web (24), and the further foil sections (18) being arranged to sequentially get into an exposed position in front of the imaging surface (14) by moving the web along the imaging surface.
6. Imaging device as claimed in one of the claims 1 to 5, wherein the imaging means (16) are imaging means for imaging the object (10) using electromagnetic radiation, the imaging surface (14) and the foil sections (18; 18a) being transparent for said electromagnetic radiation.
7. Imaging device as claimed in one of the claims 1 to 6, wherein the imaging device is an optical imaging device, the imaging surface (14) and the foil sections (18; 18a) being optically transparent.
8. Imaging device as claimed in one of the claims 1 to 7, wherein the foil sections (18; 18a) carry a non-solid substance (20).
9. Imaging device as claimed in claim 8, wherein a refractive index of the substance (20) and a refractive index of the foil sections (18; 18a) are substantially equal.
10. Imaging device as claimed in one of the claims 1 to 9, wherein a refractive index of the foil sections (18; 18a) substantially is in a range between a refractive index of the object (10) and a refractive index of an imaging substrate (12), which forms the imaging surface (14).
11. Imaging device as claimed in one of the claims 1 to 10, wherein the object (10) is a part of a human body.
12. Imaging device according to any one of claims 1 to 11, wherein the device is a medical optical examination apparatus.
13. Supply of foil sections (18) for being used with an imaging device as claimed in one of the claims 1 to 12, the foil sections (18) being arranged to automatically get, when the supply is used with the imaging device, into an exposed position in front of the imaging surface (14) on removing a respective previous foil section (18; 18a) from its exposed position in front of the imaging surface (14).
14. Method of imaging an object, comprising the steps of: arranging a foil section (18a) at an exposed position in front of an imaging surface (14), covering the imaging surface (14), imaging the object (10) through the imaging surface (14) and through the foil section (18a), and removing the foil section (18a) from its exposed position in front of the imaging surface (14), thereby automatically arranging a further foil section (18) at an exposed position in front of the imaging surface.
PCT/IB2009/054439 2008-10-16 2009-10-09 Imaging device and method WO2010044029A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08166784.2 2008-10-16
EP08166784 2008-10-16

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Publication Number Publication Date
WO2010044029A1 true WO2010044029A1 (en) 2010-04-22

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511329A (en) * 1946-12-26 1950-06-13 Craig Edward Lens shield
WO1999042883A1 (en) * 1998-02-20 1999-08-26 Xeyex Corporation Disposable transparent lens cover
WO2001000400A1 (en) * 1999-06-26 2001-01-04 Corpus Carol A Multi-layer surface covering
GB2352400A (en) * 1999-07-17 2001-01-31 Jonathan Quinton Kerr Sterile opthalmic testing apparatus barrier
WO2003060563A2 (en) * 2002-01-03 2003-07-24 Wilson Stephen S Tear-off optical stack having peripheral seal mount
US20050015860A1 (en) * 2003-06-19 2005-01-27 Reaux Brian K. Face and eye covering device
EP1867283A1 (en) * 2006-06-13 2007-12-19 Siemens Aktiengesellschaft X-ray apparatus comprising germ blocking layer
WO2008040026A2 (en) * 2006-09-28 2008-04-03 University Of Rochester Compact ocular fundus camera
WO2009077695A2 (en) * 2007-12-04 2009-06-25 Verticale Device for protection against spatter for a surgical operation area

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511329A (en) * 1946-12-26 1950-06-13 Craig Edward Lens shield
WO1999042883A1 (en) * 1998-02-20 1999-08-26 Xeyex Corporation Disposable transparent lens cover
WO2001000400A1 (en) * 1999-06-26 2001-01-04 Corpus Carol A Multi-layer surface covering
GB2352400A (en) * 1999-07-17 2001-01-31 Jonathan Quinton Kerr Sterile opthalmic testing apparatus barrier
WO2003060563A2 (en) * 2002-01-03 2003-07-24 Wilson Stephen S Tear-off optical stack having peripheral seal mount
US20050015860A1 (en) * 2003-06-19 2005-01-27 Reaux Brian K. Face and eye covering device
EP1867283A1 (en) * 2006-06-13 2007-12-19 Siemens Aktiengesellschaft X-ray apparatus comprising germ blocking layer
WO2008040026A2 (en) * 2006-09-28 2008-04-03 University Of Rochester Compact ocular fundus camera
WO2009077695A2 (en) * 2007-12-04 2009-06-25 Verticale Device for protection against spatter for a surgical operation area

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