EP2281232A1 - Matériel médical portatif - Google Patents

Matériel médical portatif

Info

Publication number
EP2281232A1
EP2281232A1 EP09753598A EP09753598A EP2281232A1 EP 2281232 A1 EP2281232 A1 EP 2281232A1 EP 09753598 A EP09753598 A EP 09753598A EP 09753598 A EP09753598 A EP 09753598A EP 2281232 A1 EP2281232 A1 EP 2281232A1
Authority
EP
European Patent Office
Prior art keywords
display device
display
tool according
bistable
hand tool
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
EP09753598A
Other languages
German (de)
English (en)
Inventor
Michael Deppert
Dietmar Stadler
Günter HANDWERKER
Stefan Lindegger
Kurt Friedli
Dieter Hofmann
Kristin MÜCKEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Hoffmann La Roche AG
Roche Diabetes Care GmbH
Original Assignee
F Hoffmann La Roche AG
Roche Diagnostics GmbH
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
Application filed by F Hoffmann La Roche AG, Roche Diagnostics GmbH filed Critical F Hoffmann La Roche AG
Priority to EP09753598A priority Critical patent/EP2281232A1/fr
Publication of EP2281232A1 publication Critical patent/EP2281232A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M2005/3125—Details specific display means, e.g. to indicate dose setting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M2005/3125—Details specific display means, e.g. to indicate dose setting
    • A61M2005/3126—Specific display means related to dosing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0469—Details of the physics of pixel operation
    • G09G2300/0473—Use of light emitting or modulating elements having two or more stable states when no power is applied
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
    • G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals

Definitions

  • the invention relates to a medical hand-held device with an electrically switchable display device.
  • Such hand-held devices are, for example, devices for administering insulin or measuring devices for determining the blood glucose concentration.
  • liquid crystal displays are usually used, with which a user is shown important health data, for example, measurement results of analyte concentrations in body fluids or the time or dose of the administration of a medicinal active substance.
  • important health data for example, measurement results of analyte concentrations in body fluids or the time or dose of the administration of a medicinal active substance.
  • the users of such handheld devices should be accessible as easily as possible and also presented in a manner that is as easy to grasp as possible.
  • liquid crystal display In order to present important information as conspicuously as possible, medical hand-held devices often use colored and luminous liquid-crystal displays. When using such a hand-held device, the liquid crystal display is activated along with other device functions and displays required information at. To activate the display, a user must operate individual controls and select the desired information from a more or less extensive menu. For many users, this is troublesome.
  • the object of the invention is therefore to show a way how users of medical hand-held devices access to important data can be facilitated.
  • This object is achieved in that a bistable display device is used.
  • Bistable display devices have the advantage that only when a change in the display, ie a change of image segments, energy is needed. Once set, d. H. Visibly switched image segments or pixels retain their state. In a handheld device according to the invention with a bistable display device therefore information can be displayed for a long time without energy consumption. Even when the device is turned off, information can be displayed in this way.
  • the image segments of a display device can have almost any shape and size. Image segments below a critical size are often referred to as pixels.
  • the bistable display device of a hand-held device according to the invention can be designed as well as a possibly existing further display device for a simple light / dark display or for a colored display.
  • Bistable display devices can be realized in particular as bistable liquid crystal displays.
  • the liquid crystal of a bistable liquid crystal display has not one but two stable states. An electric field can cause the liquid crystal to transition between the two stable states. If the liquid crystal of a bistable liquid crystal display has assumed one of its two stable states, it remains in this state until a state change is induced by an electric field.
  • Bistable liquid crystal displays are known, for example, from US 2005/0083284 A1, to which reference is made for details of bistable liquid crystal displays.
  • bistable display device can be realized, for example, as electrophoretic systems.
  • a measurement result can be displayed for a long time without power consumption, so that an energy store of the handset, usually a battery, is not loaded.
  • an energy store of the handset usually a battery
  • information about a sequence of measurement results can be displayed so that a user can be reminded again and again of important results and the effectiveness of a medical treatment, for example insulin administration or the observance of a diet, can be illustrated.
  • the time profile of the glucose concentration of a body fluid can be graphically displayed.
  • a bistable display device can be used to display, for example, the time and dose of the last active substance administration and / or an indication of the next required dose.
  • a handheld device for continuous or quasi-continuous release of active substance for example an insulin pump
  • the delivery rate and / or the fill level of a medication reservoir can in particular also be displayed.
  • handheld devices with the bistable display device can also display information about the state of charge of its energy source.
  • Important medical information which can be displayed with advantage in a handheld device, are, for example:
  • Information on a sequence of measurements in particular the course of glucose concentration, - information on measurements may be supplemented by a symbol indicating whether or not measurements were made on or after a meal,
  • the handset is an insulin pump for continuous or quasi-continuous insulin delivery
  • information about insulin administrations that have taken place is of particular importance.
  • bistable display they are also available in the event of a device failure. The dangers associated with a device failure can thus be significantly reduced, as the risk of loss of information about active substance administration can be efficiently counteracted.
  • the bistable display can be advantageously used to display instructions for startup or other device information such as article or serial number. Further possibilities are the display of information in the production process, such as a check status, or a barcode.
  • the bistable display may also serve to decorate the handset with a user-selectable image.
  • a selection of suitable motifs, images or patterns can for example be stored by the manufacturer in a memory of the device. These can be used in particular as the background of the display.
  • a further display device in addition to the bistable display device, a further display device, in particular a monostable display device, is provided.
  • Monostable displays are displays that only have a steady state, usually the dark state, so energy is required to maintain a display.
  • Conventional liquid crystal displays are monostable displays.
  • a monostable display device can advantageously have a light source with which the display can be illuminated in low light conditions. This light source can be realized by self-luminous image segments, for example, in an LED or OLED display. It is also possible to form the light source independently of the image segments, for example as a background lighting switched on when needed. Of course, a separate light source, which can be turned on when needed, can also be added to the bistable display.
  • the advantages of a conspicuous display of information by a bright and thus energy-intensive colored liquid crystal display can be combined with those of an energy-efficient bistable display device. If the handset is activated for a more or less short period of time for a measurement or drug administration, a user can read information from the illuminated liquid crystal display with high user comfort. During the rest of the time, important information about the bistable display is available. It is particularly advantageous to equip the luminous liquid-crystal display with an automatic switch-off function so that it automatically switches off. is switched as soon as no control element is pressed for a set period of time.
  • Up-to-date information about operating parameters of the hand-held device for example the actual delivery rate of an active substance, is preferably displayed with the monostable display device, in order to avoid that in the event of a device defect a malfunctioning operation is simulated by a disregard of the bistable display device despite a defect. If such information is nevertheless to be displayed on the bistable display device, these can be provided with a time, for example, so that outdated information can always be recognized as such.
  • a further advantageous embodiment of the invention provides that a display device of the handset has a display surface designed as a touch panel.
  • a touchpad has a matrix of sensors to detect a touch.
  • the display area can be used as a control element.
  • Display areas with a touchpad are often referred to as touchscreen.
  • a touchpad on the display surface can be used particularly advantageously by the sensors of the touchpad being coupled to image segments of the display surface and causing a change in the representation, for example the brightness or color, of touched areas of the display surface, such that the Display area can be used by a user as a writing surface for notes.
  • the display area of the bistable display device can be used as a note on which a user can draw sketches or handwritten notes, such as telephone numbers.
  • a pressure-sensitive touchpad pressure to write or draw can be applied with a pen or fingernail. Notes written on the display surface can be displayed for a long time without energy consumption and deleted at any time on request.
  • Suitable display devices are known under the keyword e-paper, for example, from US 6,476,796, to which reference is made for further details of such liquid crystal displays.
  • Another aspect of the invention relates to a medical hand-held device with a first electrically switchable display device for displaying function-related state information of the hand-held device and a second electrically switchable display device for displaying device-function-independent data, in particular graphical data.
  • Function-related state information is displayed when the device is operated, in particular in response to user controls, and is, for example, indications of the device that a measurement is being taken or a measurement result.
  • Device-independent data is data related to the medical device (s), For example, the measurement of medically important parameters, in particular analyte concentrations of body fluids, or the administration of active ingredients, in particular insulin, are unrelated
  • Examples of device-independent data are a user's notes or decorating graphics.
  • the second display device of such a hand-held device is preferably one bistable display device
  • Figure 1 shows an exemplary embodiment of an inventive handset in a
  • FIG. 2 shows the hand-held device of a back view illustrated in FIG.
  • FIG. 3 shows the back of the embodiment shown in Figure 2 with a
  • Figure 4 shows the back of the embodiment with a decorative motif.
  • the medical hand-held device illustrated in FIGS. 1 to 4 is a measuring device for determining an analyte concentration of a body fluid, namely the glucose concentration.
  • the meter operates on unillustrated test strips onto which is applied a sample of body fluid, typically blood and / or interstitial fluid, to be tested.
  • the test strips can be stored in a magazine inside the meter and if necessary pushed a little way out of a device opening 1, so that a sample can be applied to the test strip.
  • test strips are used for blood glucose monitoring devices and may, for example, have test fields with detection reagents which, on contact with a liquid sample, show a discoloration which depends on the analyte concentration to be determined and which can be evaluated photometrically in the measuring device. Also possible, for example, are test strips for the electrochemical detection of the analyte concentration.
  • the illustrated handset has on its front a liquid crystal display 2 and on its back another liquid crystal display 3.
  • the liquid crystal display 2 contains a light source so that it lights up during operation and is therefore easy to read even in the dark.
  • the liquid crystal display 2 on the front side is thus a luminous, colored liquid crystal display, which is used in particular for operating the device for displaying device information and / or measurement results.
  • the liquid crystal display 2 is equipped with touch sensors which form operating elements of the measuring device in the manner of a sensor screen or touchscreen. By touching the display surface, a user can operate the device and input control commands in this way.
  • the illuminated liquid crystal display 2 on the front of the meter shuts off automatically as soon as a preset period of time passes after the last input. In this way, an excessive load on a disposed inside the device energy storage, which is usually a battery avoided.
  • a further display device 3 is arranged, which is a bistable liquid crystal display.
  • Bistable liquid crystal displays have the advantage that only with a change of the image, an electric field and thus an energy consumption is required. An ad on the Rear of the meter shown can therefore be maintained long.
  • the bistable display device 3 can therefore be advantageously used to display data of the last measurement, in particular time, date and measurement result, or information on a sequence of measurements, in particular the course of the glucose concentration, so that they can be read even when the device is switched off.
  • the bistable display device 3 has a display area in the form of a touchpad, whose sensors are coupled to image segments of the display area and cause a change in the display, namely the brightness, of touched areas of the display area, so that the display area can be used by a user as a writing surface for notes.
  • the sensors are pressure-sensitive, so that notes or drawings can be entered by hand with a pen, which are displayed on the display surface of the display device 3.
  • Figure 3 shows an example of such a note, which can be displayed for a long time without power consumption and at any time can be deleted by a suitable input command.
  • the bistable display device 3 can also serve to decorate the handset with a selectable by a user image.
  • a selection of suitable motifs, images or patterns can for example be stored by the manufacturer in a memory of the device.
  • the handset can also output medical data, in particular measurement results.
  • Suitable display devices 3 are known by the keyword “e-paper” or “e-paper” and may be formed, for example, as bistable liquid crystal displays or electrophoretic display devices. reference numerals

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Emergency Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

L'invention concerne un matériel médical portatif muni d'un dispositif d'affichage bistable (3), de préférence assorti d'un autre dispositif d'affichage (2). L'invention concerne également l'utilisation d'un dispositif d'affichage (3), qui comporte une surface d'affichage pourvue d'une zone tactile sous la forme d'une matrice de capteurs reliés à des segments d'image de la surface d'affichage et détectant un toucher de la surface d'affichage, pour un matériel médical portatif. Du fait que les capteurs sont reliés à des segments d'image de la surface d'affichage, ces capteurs entraînent une modification de la représentation des zones touchées de ladite surface.
EP09753598A 2008-05-31 2009-04-23 Matériel médical portatif Ceased EP2281232A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09753598A EP2281232A1 (fr) 2008-05-31 2009-04-23 Matériel médical portatif

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08010004 2008-05-31
PCT/EP2009/002950 WO2009143943A1 (fr) 2008-05-31 2009-04-23 Matériel médical portatif
EP09753598A EP2281232A1 (fr) 2008-05-31 2009-04-23 Matériel médical portatif

Publications (1)

Publication Number Publication Date
EP2281232A1 true EP2281232A1 (fr) 2011-02-09

Family

ID=39798160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09753598A Ceased EP2281232A1 (fr) 2008-05-31 2009-04-23 Matériel médical portatif

Country Status (3)

Country Link
US (1) US20110295095A1 (fr)
EP (1) EP2281232A1 (fr)
WO (1) WO2009143943A1 (fr)

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US8658108B2 (en) * 2010-09-01 2014-02-25 Roche Diagnostics Operations, Inc. Limited-use blood glucose meters
EP2632334B1 (fr) * 2010-10-27 2020-09-09 Dexcom, Inc. Dispositif d'enregistrement continu de données de surveillance de substance à analyser pouvant fonctionner en mode aveugle
US20140378801A1 (en) * 2011-09-27 2014-12-25 Novo Nordisk A/S Medical System Configured to Collect and Transfer Data
ITBO20130019A1 (it) * 2013-01-18 2014-07-19 Bellco Srl Metodo per visualizzare informazioni relative allo stato di funzionamento di una macchina per dialisi quando la macchina e' spenta, e corrispondente macchina per dialisi
US20140275903A1 (en) * 2013-03-14 2014-09-18 Lifescan Scotland Limited System and method for quick-access physiological measurement history
JP6223810B2 (ja) * 2013-12-18 2017-11-01 テルモ株式会社 血糖管理支援装置、システム、方法及びプログラム
US10813384B2 (en) 2017-12-29 2020-10-27 Altria Client Services Llc Electronic vaping device having formulation level indicator
DE102021121623A1 (de) 2021-08-19 2023-02-23 Olympus Winter & Ibe Gmbh Medizingerät und Verfahren zum Betrieb eines Medizingeräts

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US5665065A (en) * 1995-05-26 1997-09-09 Minimed Inc. Medication infusion device with blood glucose data input
US20070093786A1 (en) * 2005-08-16 2007-04-26 Medtronic Minimed, Inc. Watch controller for a medical device
EP1826739A1 (fr) * 2004-11-04 2007-08-29 Nikon Corporation Dispositif d'affichage et dispositif electronique

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US6558320B1 (en) * 2000-01-20 2003-05-06 Medtronic Minimed, Inc. Handheld personal data assistant (PDA) with a medical device and method of using the same
US6888522B1 (en) * 1999-03-31 2005-05-03 Minolta Co., Ltd. Information display apparatus
US20030098857A1 (en) * 2001-11-28 2003-05-29 Palm, Inc. Detachable flexible and expandable display with touch sensor apparatus and method
JP4496713B2 (ja) * 2003-03-31 2010-07-07 セイコーエプソン株式会社 表示装置、電子機器及び表示方法
US7990338B2 (en) * 2006-09-14 2011-08-02 Spring Design Co., Ltd Electronic devices having complementary dual displays

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Publication number Priority date Publication date Assignee Title
US5665065A (en) * 1995-05-26 1997-09-09 Minimed Inc. Medication infusion device with blood glucose data input
EP1826739A1 (fr) * 2004-11-04 2007-08-29 Nikon Corporation Dispositif d'affichage et dispositif electronique
US20070093786A1 (en) * 2005-08-16 2007-04-26 Medtronic Minimed, Inc. Watch controller for a medical device

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Title
See also references of WO2009143943A1 *

Also Published As

Publication number Publication date
WO2009143943A1 (fr) 2009-12-03
US20110295095A1 (en) 2011-12-01

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