WO2006087884A1 - カプセル型内視鏡用電源スターター - Google Patents
カプセル型内視鏡用電源スターター Download PDFInfo
- Publication number
- WO2006087884A1 WO2006087884A1 PCT/JP2006/300769 JP2006300769W WO2006087884A1 WO 2006087884 A1 WO2006087884 A1 WO 2006087884A1 JP 2006300769 W JP2006300769 W JP 2006300769W WO 2006087884 A1 WO2006087884 A1 WO 2006087884A1
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- WO
- WIPO (PCT)
- Prior art keywords
- capsule endoscope
- power supply
- starter
- power
- inner lid
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00036—Means for power saving, e.g. sleeping mode
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00142—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with means for preventing contamination, e.g. by using a sanitary sheath
- A61B1/00144—Hygienic packaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
- A61B5/073—Intestinal transmitters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00016—Operational features of endoscopes characterised by signal transmission using wireless means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
- A61B1/00032—Operational features of endoscopes characterised by power management characterised by power supply internally powered
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0209—Operational features of power management adapted for power saving
Definitions
- the present invention provides a capsule for starting power supply to each function executing means of a swallowable capsule endoscope, for example, which is introduced into a subject and acquires image information inside the subject.
- the present invention relates to a power supply starter for a type endoscope.
- capsule endoscopes equipped with an imaging function and a wireless function have appeared.
- This capsule endoscope is used for observation (examination) after being swallowed by the subject, the observation period from the subject's living body (human body) to natural discharge, stomach, small intestine, etc.
- the internal organs inside the body cavity
- the imaging function is used for sequential imaging.
- image data captured in the body cavity by the capsule endoscope is sequentially provided by an external device provided outside the subject by a wireless function such as wireless communication. And stored in a memory provided in the external device.
- a wireless function such as wireless communication
- the subject suffers inconvenience during the observation period from swallowing the force-pseed endoscope until it is discharged. It becomes possible to take action.
- the doctor or nurse can make a diagnosis by displaying the image in the body cavity on a display means such as a display based on the image data stored in the memory of the external device! .
- This type of capsule endoscope is, for example, a swallowable type as shown in Patent Document 1, and is turned on and off by an external magnetic field inside to control the drive of the capsule endoscope.
- a configuration that includes a reed switch and is housed in a package including a permanent magnet that supplies this external magnetic field has been proposed.
- the reed switch provided in the capsule endoscope has a structure in which the reed switch is turned on by maintaining the off-state and reducing the strength of the external magnetic field in an environment where a magnetic field of a certain intensity or higher is applied. For this reason, the capsule endoscope is not driven in the state of being accommodated in the package.
- the capsule endoscope when swallowing Further, by taking out the packaging force of the capsule endoscope as well, the capsule endoscope is separated from the permanent magnet, so that the capsule endoscope is not affected by the magnetic force and starts to drive.
- the imaging function of the capsule endoscope is used. Imaging of an image and transmission of an image signal by a wireless function have been performed.
- Patent Document 1 Pamphlet of International Publication No. 01Z35813
- the capsule endoscope is Each function, for example, the imaging function or the wireless function, starts driving, and the imaging function performs the imaging operation, and further, the wireless transmission operation of the image signal obtained by the wireless function is performed. In addition, the power stored in the capsule endoscope was wasted.
- the present invention has been made in view of the above problems, and by applying a magnetic field to the capsule endoscope and supplying power to each function executing means, each function of the capsule endoscope is improved. It is an object to provide a power supply starter for a capsule endoscope that can suppress the power consumption accumulated in the capsule endoscope so that the drive can be started at an arbitrary timing.
- the capsule endoscope power starter according to the present invention is held in the holding means in the housing case and is turned off when a magnetic field is applied.
- a magnetic body capable of applying a magnetic field from the outside of the holding means is provided for the power supply switch of the capsule endoscope that switches from the power supply state to the power supply state.
- the holding means forms a holding space region between each other, and the holding space region includes the holding space region.
- the first power supply starter for the capsule endoscope is provided between the first and second holding means. It is characterized in that it comprises engagement means that can be engaged with either one of them and detachable from the holding means.
- the power supply starter for the capsule endoscope according to the invention of claim 3 is characterized in that, in the above invention, the moving means capable of moving the magnetic body, the suppressing means for suppressing the movement of the magnetic body, And when the contact with the housing case, the suppression by the suppression means is released, and the magnetic body is moved by the moving means so that the power supply switch can be switched to a power supply state.
- the power supply starter for a capsule endoscope according to the invention of claim 4 is characterized in that, in the above invention, the magnetic body is at least two magnetic body covers facing each other across the capsule endoscope. It is characterized by becoming.
- the power supply starter for a capsule endoscope according to the invention of claim 5 is characterized in that in the above invention, the power supply starter for the capsule endoscope further includes confirmation means capable of confirming a power supply state of the capsule endoscope. To do.
- the magnetic body of the power starter brought close to the power supply switch of the capsule endoscope held by the holding means in the housing case is the holding means. Because it is possible to apply a magnetic field, it is possible to prevent the capsule endoscope from starting to operate until a magnetic field is applied from the outside, and the power stored in the capsule endoscope Brief description of the drawings that has the effect of reducing consumption
- FIG. 1 is a system conceptual diagram showing a concept of a wireless in-vivo information acquiring system according to the present invention.
- FIG. 2 is a side sectional view showing a schematic configuration of the capsule endoscope shown in FIG. 1.
- FIG. 3 is a block diagram showing an internal configuration of the capsule endoscope shown in FIG. 2.
- FIG. 4 is a perspective view showing a configuration of a housing case that houses a capsule endoscope.
- FIG. 5 is a perspective view showing an example of the housing case force shown in FIG. 4 when the sterilization sheet is removed.
- FIG. 6 is a top view showing the top surface of the housing case shown in FIG. 5.
- FIG. 7 is a side view showing a side surface of the same storage case.
- FIG. 8 is a top view showing the upper surface of the inner lid portion according to the first embodiment shown in FIG.
- FIG. 9 is a side view showing the side surface of the inner lid portion according to the same Example 1.
- FIG. 10 is a cross-sectional view showing an enlarged AA cross section of the hole shown in FIG.
- FIG. 11 is a top view showing the top surface of the housing case shown in FIG. 5.
- FIG. 12 is a cross-sectional view showing a BB cross section of FIG. 11.
- FIG. 13 is a cross-sectional view similar to FIG. 11 for explaining the power supply operable range.
- FIG. 14 is a top view showing an upper surface of a power supply starter for a capsule endoscope according to the first embodiment.
- FIG. 15 is a side view showing the side of the same capsule endoscope power starter.
- FIG. 16 is a cross-sectional view taken along the line BB of FIG. 11 with the capsule endoscope power starter according to the first embodiment attached.
- FIG. 17 is a circuit diagram showing a circuit configuration of a system control circuit of the capsule endoscope that works on Example 1 shown in FIG. 3.
- FIG. 18 is a schematic diagram showing the relationship between the magnetic field generated by the magnetic material shown in FIG. 16 and the capsule endoscope.
- FIG. 19 is a flowchart for explaining a power supply start operation of the capsule endoscope shown in FIG.
- FIG. 20 is a cross-sectional view of the BB cross section of FIG. 11 with the capsule endoscope power starter according to the second embodiment attached.
- FIG. 21 is a schematic diagram showing the relationship between the magnetic field generated by the magnetic material shown in FIG. 20 and the capsule endoscope.
- FIG. 22 is a cross-sectional view showing a BB cross section of FIG. 11 in a state where the capsule endoscope power starter according to the third embodiment is attached.
- FIG. 23 is a cross-sectional view showing a BB cross section of FIG. 11 when the power starter according to Modification 1 is attached.
- FIG. 24 is a side view showing the side of the power starter according to Modification 2.
- FIG. 25 is a top view showing an upper surface of an inner lid portion according to Modification 3.
- FIG. 26 is a cross-sectional view showing the FF cross section of FIG. 25 with the power starter attached.
- FIG. 27 is a cross-sectional view showing a BB cross section of FIG. 11 in a state where a capsule endoscope power starter according to Modification 4 is attached.
- FIG. 1 is a system conceptual diagram showing a concept of a wireless in-vivo information acquiring system according to the present invention.
- this capsule endoscope system includes a swallowable capsule endoscope 2 as a wireless in-subject information acquisition device introduced into the body cavity of the subject 1, and an outside of the subject 1.
- a receiving device 3 that is an extracorporeal device that is arranged and wirelessly communicates various information with the capsule endoscope 2.
- the wireless in-vivo information acquiring system includes a display device 4 that displays an image based on data received by the receiving device 3, and a portable device that inputs and outputs data between the receiving device 3 and the display device 4.
- a recording medium 5 is a recording medium 5.
- the capsule endoscope 2 is in an airtight container 11 which is an outer case, and in the airtight container 11, for example, for illuminating a subject site in a body cavity.
- LEDs and other light emitting elements 20 that emit illumination light
- solid-state image sensors 22 such as CCDs and CMOSs that receive the reflected light from the illumination light and image the area of the subject (hereinafter referred to as ⁇ C CD22 ''''
- the imaging lens 27 that forms an image of the subject on the CCD 22, the RF transmission unit 24 that modulates the image information acquired by the CCD 22 into an RF signal, and the radio signal of the RF signal is emitted.
- the transmission antenna unit 25 and the battery 29 are included.
- the sealed container 11 is of a size that can be swallowed by a person, and an approximately hemispherical tip cover 11a and a cylindrical body cover l ib are elastically fitted to each other so that the inside is sealed.
- An exterior case that seals liquid-tightly is formed.
- the tip cover 11a has a substantially hemispherical dome shape, and the rear side of the dome opens in a circular shape.
- the tip cover 11a is made of transparent or translucent transparent material, for example, to secure optical performance and strength. It is made of a olefin polymer or polycarbonate, and its surface is mirror-finished.
- This mirror-finished portion l lal is formed in a predetermined mirror-finished range (a range indicated by alternate long and short dash lines a and a in FIG. 2) determined by the imaging range of the solid-state imaging device 22 and the like.
- the body cover l ib is a member that is located at the rear end of the front end cover 11a and covers the above-described components.
- This body part cover ib is formed integrally with a cylindrical body part and a substantially hemispherical dome-shaped rear end part, and the front side of this body part opens in a circular shape.
- the trunk cover ib is formed of polysulfone or the like which is preferable for ensuring strength, and houses the illumination means, the imaging means and the battery 29, which will be described later, in the trunk part, and the wireless transmission means in the rear end part. .
- the capsule endoscope 2 includes an LED 20 as an illumination means and an LED drive circuit 21 for controlling the drive state of the LED 20 inside the sealed container 11, and an LED 20 CCD 22 as an imaging means for imaging an image in the body cavity (in-subject information) that is reflected light of the irradiated region force through the imaging lens 27 and a CCD driving circuit 23 for controlling the driving state of the CCD 22,
- An RF transmission unit 24 and a transmission antenna unit 25 as wireless transmission means are provided.
- the capsule endoscope 2 includes a system control circuit 26 that controls operations of the LED drive circuit 21, the CCD drive circuit 23, and the RF transmission unit 24. While being introduced into the subject 1, the CCD 22 operates to acquire image data of the site irradiated by the LED 20. The acquired image data is further converted into an RF signal by the RF transmission unit 24 and transmitted to the outside of the subject 1 via the transmission antenna unit 25. Furthermore, the capsule endoscope 2 includes a battery 29 that supplies power to the system control circuit 26. The system control circuit 26 uses the driving power supplied from the battery 29 as another component (function execution means). It has the function to distribute to.
- the system control circuit 26 includes, for example, a switch element having a switching function connected between each component and the battery 29, a latch circuit, and the like.
- the latch circuit turns on the switch element when an external magnetic field is applied, and maintains the on state thereafter, and the driving power from the battery 29 is supplied to each of the capsule endoscopes 2.
- Supplying components In this embodiment, an imaging unit having an imaging function, an illuminating unit having an illuminating function, and a wireless transmitting unit having a wireless function, which are provided in the capsule endoscope 2, are collectively called to execute a predetermined function.
- Function execution means Specifically, the functions excluding the system control circuit 26 are function execution means for executing a predetermined function set in advance.
- the receiving device 3 has a function as wireless receiving means for receiving image data in a body cavity wirelessly transmitted from the capsule endoscope 2.
- the receiving device 3 includes a receiving jacket 31 that is worn on the subject 1 and has a plurality of receiving antennas (not shown), and an external device 32 that performs signal processing of received radio signals.
- the display device 4 is for displaying an in-vivo image captured by the capsule endoscope 2, and a workstation that displays an image based on data obtained by the portable recording medium 5.
- the configuration is as follows. Specifically, the display device 4 may be configured to directly display an image by a CRT display, a liquid crystal display, or the like, or may be configured to output an image to another medium such as a printer.
- the portable recording medium 5 can be connected to the external device 32 and the display device 4, and is attached to both, and has a structure capable of outputting or recording information when connected.
- the portable recording medium 5 is inserted into the external device 32 and transmitted from the capsule endoscope 2 while the capsule endoscope 2 is moving in the body cavity of the subject 1. Record the data.
- the capsule endoscope 2 is ejected from the subject 1, that is, after imaging of the inside of the subject 1 is completed, the capsule endoscope 2 is taken out from the external device 32 and inserted into the display device 4, and this display is performed.
- the apparatus 4 is configured to read data recorded on the portable recording medium 5.
- this portable recording medium 5 is also configured with a compact flash (registered trademark) memory and the like, and performs input / output of data between the external device 32 and the display device 4 indirectly via the portable recording medium 5.
- the subject 1 can freely operate during imaging in the body cavity.
- FIG. 4 is a perspective view showing a configuration of a storage case for storing the capsule endoscope
- FIG. 5 shows an example in which a sterilization sheet is removed from the storage case shown in FIG.
- FIG. 6 is a top view showing the top surface of the storage case shown in FIG. 5
- FIG. 7 is a side view showing the side surface of the storage case
- FIG. 8 is shown in FIG. Fig.
- FIG. 9 is a top view showing the upper surface of the inner lid portion according to Example 1
- Fig. 9 is a side view showing the side surface of the inner lid portion according to Example 1
- Fig. 10 is the hole shown in Fig. 9.
- FIG. 11 is a cross-sectional view showing an AA cross section of the enlarged portion
- FIG. 11 is a top view showing the top surface of the housing case shown in FIG. 5
- FIG. 12 is a cross section showing the BB cross section of FIG. FIG.
- the storage case 40 is provided in the blister pack 41 having an external storage portion force capable of storing the capsule endoscope 2 inside, and the blister pack 41.
- Inner lid part 42 that also serves as an internal housing part holding capsule endoscope 2 with pack 41, and sterilization sheet 43 that is provided on the upper surface of blister pack 41 and closes the opening of blister pack 41 .
- the blister pack 41 and the inner lid part 42 also serve as the first and second holding means forces according to the present invention, and are made of, for example, polypropylene material and formed by a molding process such as vacuum forming.
- the blister pack 41 includes a bottomed cylindrical portion 41a, and a tongue-shaped handle portion 41b provided at a part of the upper edge of the cylindrical portion 41a.
- the cylindrical portion 41a has a substantially semi-cylindrical shape that is provided on the upper edge of the opening and on the outer periphery of the handle portion 41b, and on the peripheral surface of the cylindrical portion 41a.
- the cylindrical portion 41a has a bottom surface 41e.
- the bottom surface 41e includes an outer bottom surface 41el provided on the outer peripheral side of the cylindrical portion 41a, and an inner bottom surface 4 provided at a substantially central portion of the outer bottom surface 41el. It consists of le2.
- the inner bottom surface 41e2 is formed in a disk shape with a predetermined radius, and the outer bottom surface 41e1 is a bottom force protruding from the position of the inner bottom surface 41e2 toward the outside of the cylindrical portion 41a (opposite to the opening direction). It is formed in a hollow donut shape having a predetermined width. As shown in FIG. 7, there is a height difference D between the outer bottom surface 41el and the inner bottom surface 41e2.
- the position force of the inner bottom 41e2 A substantially hemispherical holding portion 41 e3 which is recessed toward the surface 4 lei direction is provided.
- This holding part 41e3 is for holding the dome-shaped rear end part constituting the trunk cover l ib of the capsule endoscope 2 and has a cross-shaped protrusion 41e4 facing the opening on the inside.
- the sterilization gas penetrates into the rear end of the body cover l ib that is held in line contact, so that the entire rear end can be sterilized without unevenness.
- the protrusion 41e4 may be configured by a plurality of protrusions so that the rear end portion of the capsule endoscope 2 is held by point contact.
- the handle portion 41b is formed of a plate-like member having an approximately triangular upper surface, and as shown in FIG. 5, the handle portion 42b of the inner lid portion 42 described later can be brought into contact therewith.
- the edge portion 41c has a predetermined width, is provided one step higher on the upper edge of the opening of the cylindrical portion 41a and the outer periphery of the handle portion 41b, and is a handle portion of the inner lid portion 42 that is in contact with the handle portion 41b. Suppresses movement.
- the height of the edge 41c is equal to or greater than the thickness of the handle 42b and the edge 42c of the middle lid 42 that is in contact with the handle 41b.
- the middle lid 42 is a blister pack.
- the sterilization sheet 43 can be attached to the upper surface of the edge 41c while being accommodated in the 41.
- the protrusion 41d is a substantially semi-columnar protrusion provided in the longitudinal direction of the cylindrical portion 41a, and the diameter of the upper end (opening side of the cylindrical portion 41a) is the largest and goes to the lower end (bottom surface 41e side). Therefore, the diameter is gradually reduced, and the protrusions 41d having the same shape are arranged at substantially equal intervals along the longitudinal direction of the cylindrical portion 41a.
- the protrusion 41d has an upper end that is open and a lower end that forms a semi-dome-shaped bottom surface. In this embodiment, five protrusions 41d are arranged at substantially equal intervals on the circumferential surface of the cylindrical portion 41a.
- the inner lid portion 42 includes a bottomed cylindrical portion 42a, and a tongue-shaped handle portion 42b provided on a part of the upper edge of the opening of the cylindrical portion 42a.
- the cylindrical portion 41a includes an edge portion 42c provided on the upper edge of the opening so as to be continuous with the handle portion 42b, and a plurality of substantially semi-columnar protrusion portions 42d protruding outward from the inside of the cylindrical portion 42a.
- the cylindrical portion 42a has a bottom surface 42e, and a projection having a hole for holding the capsule endoscope 2 at the center of the bottom surface 42e.
- Part 42el is provided.
- the protruding portion 42el is formed in a substantially cylindrical cross-sectional convex shape having an upper surface protruding from the position of the bottom surface 42e toward the inside (opening direction) of the cylindrical portion 42a.
- a plurality of linear protrusions 42e2 extending in the longitudinal direction toward the opening of the protrusion 42el are formed on the inner periphery of the protrusion 42el, and four in this embodiment.
- a stepped portion 42e3 is provided on the upper surface side of the protruding portion 42el, and the inner diameter of the stepped portion 42e3 is configured to be smaller than the inner diameter on the opening side of the protruding portion 42el.
- the bottom face 42e including the protruding part 42el of the cylindrical part 42a and the inner bottom face 41e2 including the holding part 41e3 of the blister pack 41 are The holding space region 40a that is useful for the present invention is formed, and the capsule endoscope 2 can be accommodated and held.
- the distal end cover 11a side of the capsule endoscope 2 when the distal end cover 11a side of the capsule endoscope 2 is inserted into the projecting portion 42el, the mirror finish portion within the range of the alternate long and short dash lines a and a l
- the protrusion 42e2 holds a part of the body cover 1 lb of the sealed container 11 in line contact so that the lal is not in contact with the components of the protrusion 42el including the protrusion 42e2 and the step 42e3.
- the tip of the stepped portion 42e3 is configured to hold a part of the tip cover 11a in line contact.
- These protrusions 42e2 are not limited to being linearly formed in the longitudinal direction of the protrusion 42el.
- a plurality of protrusions are provided on the protrusion 42el, and a part of the body cover l ib of the sealed container 11 is provided. It is also possible to configure each to hold by point contact.
- the handle portion 42b is formed of a substantially triangular plate-like member whose upper surface is substantially smaller than the handle portion 41b, and as shown in FIGS. 8 and 11, an edge portion provided at the upper edge of the opening of the cylindrical portion 41a. It is formed integrally with 42c.
- the handle portion 42b is configured to be able to contact the handle portion 41b of the blister pack 41 when the inner lid portion 42 is accommodated in the blister pack 41.
- the edge portion 42c is provided at the upper edge of the opening of the cylindrical portion 42a, and is configured to be able to contact the upper edge of the opening of the blister knock 41 when the inner lid portion 42 is accommodated in the blister pack 41. Yes.
- the thickness of the handle portion 42b and the edge portion 42c is configured to be equal to or less than the thickness of the edge portion 41c of the blister pack 41.
- the movement of the handle part 42b is limited to the range of the width of the handle part 41b by the edge part 41c, and the upper surface of the edge part 41c is sterilized.
- the sheet 43 is pasted, these handle parts 42
- the inner lid 42 including the b and the edge 42c The entire force of the lid 42 is housed in the blister knock 41.
- the protrusions 42d are substantially semi-columnar protrusions provided in the longitudinal direction of the cylindrical part 42a, and are arranged at substantially equal intervals along the longitudinal direction of the cylindrical part 42a.
- the projecting portion 42d has an open upper end and a semi-dome-shaped bottom surface at the lower end.
- five protrusions 42d are arranged at substantially equal intervals on the peripheral surface of the cylindrical portion 42a.
- protrusions 42d are in positions where the inner lid part 42 is accommodated in the blister pack 41 and in contact with the handle part 41b by force 42b, so that each does not face the protrusion 41d of the blister pack 41, and
- the most protruding portion of the protruding portion 42d is formed so as to be able to come into contact with the inner peripheral surface of the cylindrical portion 41a, thereby preventing rattling of the inner lid portion 42 in the blister pack 41.
- the present invention is effective between the inner peripheral surface of the projection 41d of the blister pack 41 and the outer peripheral surface of the cylindrical portion 42a of the inner lid portion 42.
- a passage 40b is formed by a gap, and allows the passage of sterilized gas through which an external force enters through the sterilization sheet 43. Further, the passage 40b and the holding space region 40a communicate with each other, and the sterilized gas that has passed through the passage 40b can reach the holding space region 40a.
- the capsule endoscope 2 has a power supply reed switch 2a that performs an on-Z-off operation by a magnetic field of an external force, and this reed switch 2a
- the LED 20 turns on and the power is supplied to each function execution means.
- the reed switch 2a is provided at a substantially central portion in the longitudinal direction of the capsule endoscope 2, and when a permanent magnet (not shown) approaches the radius r from the reed switch 2a and a predetermined magnetic force is applied, It has a spherical power supply operable range 2b that can be turned on and operated.
- the diameters of the bottom surface 41e of the blister pack 41 and the bottom surface 42e of the inner lid part 42 are configured to be longer than the diameter 2r of the power supply operable range 2b.
- the power supply operable range 2b corresponds to the inner bottom surface 41e2 when the capsule endoscope 2 is held by the holding portion 41e3 of the blister pack 41 and the protruding portion 42el of the inner lid portion 42.
- the holding portion 41e3 is included and is set within the height range of the outer bottom surface 41el and the inner bottom surface 41e2
- the protrusion portion 42el is included and is set within the height range of the cylindrical portion 42a.
- the sterilization sheet 43 is peeled off from the housing case 40, and a magnetic body (magnet) is housed inside the cylindrical portion 42a of the inner lid portion 42, and read by the magnetic field of the housed magnetic body.
- a magnetic body magnet
- the switch is turned on, the blinking state of the LED 20 can be confirmed from the transparent or translucent protrusion 42el.
- the protrusion 42el has a function for facilitating the LED blinking check in addition to the capsule endoscope 2 holding and protecting function! /
- the capsule endoscope 2 has a power supply reed switch (described later) that performs an on-Z-off operation by a magnetic field from the outside, and the reed switch is turned on.
- the lead switch is turned off using the capsule endoscope power starter (hereinafter simply referred to as “power starter 1”) 51 as shown in FIGS. 14 and 15. Switch to the power supply state.
- the power starter 51 includes a handle portion 51a provided at an upper portion and a cylindrical portion 51b having a cylindrical shape provided at a lower portion.
- the handle portion 51a and the cylindrical portion 51b are integrally formed. Has been. Further, in the longitudinal direction of the cylindrical portion 51b, there is provided a hole portion 51c that penetrates the central portion of the handle portion 51a and serves as a confirmation means that is useful for the present invention.
- the handle portion 51a has a substantially elliptical top surface and a substantially trapezoidal side surface.
- the cylindrical portion 51b includes a magnetic body 51e on the inner wall side of the bottom surface 51d.
- FIG. 16 is a cross-sectional view showing the BB section of FIG. 11 with the power starter 51 attached.
- the hole 51c is formed such that the diameter on the bottom 51d side is slightly larger than the diameter of the protrusion 42el of the inner lid part 42, and the hole 51c extends upward from the middle of the hole 51c.
- the diameter is formed large in a taper shape.
- the length of the hole is longer than the length of the protruding portion 42el of the inner lid portion 42.
- the power starter 51 can be engaged so that the upper surface side force of the inner lid portion 42 covers the entire protruding portion 42el.
- the reason why the diameter of the hole 51c is tapered upward is to facilitate confirmation when the LED 20 of the capsule endoscope 2 is lit.
- the diameter of the hole 51c is configured to be tapered upward and the power supply starter 51 is, for example, blackish. It is possible to easily recognize the lighting of the LED 20 from the opening of the hole 51c by forming the color.
- the outer diameter (diameter) of the cylindrical portion 51b is, for example, smaller than the diameter 2r of the power supply operable range 2b of the reed switch 2a.
- the magnetic body 51e provided in the cylindrical portion 51b For example, a rectangular magnet force having a predetermined size is formed in the same manner as the inner wall of the cylindrical portion 51b. This magnetic body 51e enters the power supply operable range 2b when the power starter 51 is engaged so as to cover the protruding portion 42el of the inner lid part 42.
- the magnetic switch 51a is turned on by the magnetic field of the magnetic body 51e, and the hole 51 It is possible to check the lighting state of LED 20 from section 51c.
- the system control circuit 26 includes a lead switch 2a as a power supply switch having one end grounded and the other end connected to a latch circuit described later, and flip-flops 26b, 26c and FETs (Field Effect Transistors) 26d and 26e which are connected to the flip-flops 26b and 26c and function as switch elements.
- Reed switch 2a is turned on and off by a magnetic field applied from the outside, and flip-flops 26b and 26c sequentially turn on FETs 26d and 26e when a clock is input by the on and off operation of read switch 2a. is doing.
- the reed switch 2a performs an ON operation, and at the point a in the figure, the (H) level force also becomes the low (L) level.
- the lid switch 2a is turned off and changes from L level to H level at point a.
- This operation inputs a clock to the CK terminal of flip-flop 26b.
- a signal obtained by dividing the rising edge of the L level force H level at the point a is Q output (signal at the point b).
- the FET 26d is turned on at the Q output power level of the flip-flop 26b, and is started by supplying power from the battery 29 to the LED drive circuit 21 and the CCD drive circuit 23.
- the LED 20 and the CCD 22 can be driven, and the LED 20 lights up. To do.
- the H level force again becomes the L level at point a.
- the Q output of flip-flop 26b becomes H level (b point signal), and FET26d
- the power supply to the entire circuit is stopped and the LED 20 is turned off.
- the H level force becomes L level again at point a.
- the Q output of the flip-flop 26b becomes L level (signal at point b)
- the FET 26d is turned on, and power is supplied from the battery 29 to the LED drive circuit 21 and the CCD drive circuit 23.
- LED20 lights up.
- the FET 26d is turned on by a so-called toggle operation by applying a magnetic field to the reed switch 2a.
- the Q output of the flip-flop 26b is input to the clock terminal of the flip-flop 26c having a function for activating only the RF transmission unit 24.
- the Q signal is output by dividing the L level force at the b point and the rising edge of the H level (signal at the c point). Therefore, the FET 26e is turned on by turning on the read switch 2a by the second magnetic field application, and turned off by turning on the lead switch 2a by the fourth magnetic field application. For this reason, when the magnetic field is applied for the third time, both the FETs 26d and 26e are turned on, so that power is also supplied from the battery 29 to the RF transmission unit 24.
- the first magnetic field application state is set, and when used for the subject, the LED 20, the CCD 22 and the RF transmission unit 24 are all applied by applying the magnetic field three times. It is preferable to be able to drive.
- the lead switch 51 is always rotated by a maximum of 90 degrees in the circumferential direction of the capsule endoscope 2 while the capsule endoscope 2 is held in the protruding portion 42el. Since 2a turns off the magnetic field E, the magnetic force of the magnetic body 51e reaches the reed switch 2a, the reed switch 2a is in a power supply state, and the LED 20 can be turned on.
- the power supply start operation of the capsule endoscope 2 will be described based on the flowchart of FIG.
- the sterilized sheet 43 is peeled from the sterilized storage case 40 as shown in FIG. 5 (step 101), and the power starter 51 is covered with the inner lid. Insert into part 42 and attach to protrusion 42el (step 102).
- a worker such as a nurse can handle the power starter 51.
- the power supply starter 51 is rotated up to 90 degrees in the circumferential direction of the capsule endoscope 2 by gripping the part 51a, and a magnetic field is captured on the reed switch 2a of the capsule endoscope 2 (step 103).
- the reed switch 2a when a magnetic field is applied to the reed switch 2a by the power starter 51, the reed switch 2a is turned on, and the power from the battery 29 is supplied to the LED drive circuit 21, the CCD drive circuit 23, and the RF transmission unit 24.
- the function is activated to start the lighting of the LED 20, and the imaging of the CCD 22 and the transmission of the image information of the RF transmission unit 24 become possible (step 104).
- the operator can also check the opening force of the hole 51c when the LED 20 is turned on.
- the power source starter provided with a magnetic body is attached to the inner lid portion holding the capsule endoscope, and the capsule body is made of the magnetic body from the outer lid of the inner lid portion.
- the reed switch which is a power supply switch in the capsule endoscope, can be switched to the off state force on state (power supply state). It is possible to suppress the power consumption accumulated in the capsule endoscope by starting the function drive at an arbitrary timing, for example, immediately before using the function.
- FIG. 20 is a cross-sectional view showing the BB cross section of FIG. 11 with the power starter according to the second embodiment attached.
- a plurality (two in the embodiment) of magnetic bodies 52a and 52b are arranged at positions opposed to the cylindrical portion 51b of the power starter 51.
- These magnetic bodies 52a and 52b are made of a magnetic body that is thinner than the magnetic body 51e shown in the first embodiment and has a weak magnetic force, for example, about half the magnetic force.
- FIG. H 2a in order to supply power so that the above-described LED 20, CCD 22, and RF transmission unit 24 can be driven, as shown in FIG. H 2a is configured to cut off the magnetic fields Ea and Eb that also generate the magnetic bodies 52a and 52b. For this reason, the polarities of the magnetic bodies 52a and 52b are set in the same direction, for example, the bottom 42e side of the inner lid portion 42 is set to the N pole and the upper side is set to the S pole. Ea and Eb are always generated.
- the reed switch 2a always turns off the magnetic fields Ea and Eb, so that the magnetic force of the magnetic bodies 52a and 52b
- the lead switch 2a enters the power supply state over the switch 2a, and the LED 20 can be turned on.
- the number of magnetic materials is not limited to two in the example. It may be more than one.
- a plurality of magnetic bodies are arranged at opposing positions of the cylindrical portion of the power starter, and the direction of the magnetic field applied to the reed switch is the same direction.
- a similar effect can be obtained, and a magnetic material smaller than the magnetic material used in the power starter of Example 1 can be used, and the overall power starter can be reduced in size.
- FIG. 22 is a cross-sectional view showing the BB cross section of FIG. 11 with the power starter according to the third embodiment attached.
- the inner lid part 42 is provided with a groove 42f at the end part on the bottom face 42e side of the cylindrical part 42a.
- the groove 42f forms one lateral groove having an endless U-shaped cross section.
- the power starter 51 is provided with a protrusion 5 If at the bottom 5 Id side end of the cylindrical part 5 lb.
- This protrusion 5 If forms one protrusion having an endless cross-sectional D-shape formed to be engageable with the groove 42f.
- the groove 42f and the protrusion 5 If constitute an engaging means that is effective in the present invention.
- the inner lid portion 42 is formed of a thin polypropylene material as described above, when the projection 51f comes into contact with the power starter 51, the contact portion is deformed outward.
- the protrusion 51f can engage with the groove 42f.
- the protrusion 51f has a D-shaped cross section
- the groove 42f has a U-shaped cross section
- the protrusion 5 If is configured to have a slight backlash when the protrusion 5 If engages with the groove 42f. Therefore, the power starter 51 can be easily rotated in the circumferential direction of the capsule endoscope 2, and when the capsule endoscope 2 is taken out, the operator holds the power starter 51 in the blister pack 41. If the capsule endoscope 2 is taken out from the inside, the capsule endoscope 2 can be taken out together with the engaged inner lid portion 42.
- the groove portion is provided in the inner lid portion, and the projection that engages with the groove is provided in the power starter. Therefore, the same effect as in the first embodiment is obtained and the inner lid portion is provided. Accordingly, the capsule case can be easily taken out of the housing case.
- FIG. 23 is for explaining another modified example 1 of the blister pack 41, the inner lid part 42, and the power starter 51.
- FIG. 23 is a cross-sectional view taken along the line B-B in FIG. It is sectional drawing shown.
- the bottom surface 41e of the blister pack 41 is provided with a plurality of protrusions 41e5, 41e5 at predetermined locations, and the bottom surface 42e of the inner lid part 42 has holes that fit into the protrusions 41e5, 41e5.
- Protrusions 42g, 42g are provided. In a state before use, the protrusions are fitted with each other to fix the inner lid portion 42 in the blister plate 41.
- Grooves 51g and 51g into which the protrusions 42g and 42g of the inner lid part 42 can be inserted are provided upward in the cylindrical part 51b on the bottom surface 51d side of the power starter 51. Both ends of the grooves 51g and 51g are configured to have different heights, one end is substantially the same as the height of the protrusions 42g and 42g, and the other end is configured to be approximately half the height of the protrusions 42g and 42g. Has been. Further, the lengths of the grooves 51g and 51g are configured such that the power starter 51 can be rotated by 90 degrees at maximum in the circumferential direction of the capsule endoscope 2.
- the power starter 51 is inserted into the inner lid portion 42, and the protrusions 42g and 42g of the inner lid portion 42 are engaged with the grooves 51g and 51g. Then.
- a reed switch (not shown) is in a power supply state as in the above embodiment.
- the protrusions 42e and 42e are deformed so that the protrusions 42g and 42g are crushed downward as the height of the grooves 5lg and 51g at the position where the protrusions 42g and 42g come into contact is lowered.
- the inner lid portion 42 can be detached from the blister pack 41.
- the blister nozzle and the inner lid portion are provided with the protrusions that are fitted to each other, and the power starter is provided with the groove that releases the fitting.
- the power starter can be easily released from the blister pack and the inner lid so that the capsule endoscope can be easily removed from the housing case along with the inner lid. Can do.
- FIG. 24 is a side view for explaining another modified example 2 of the power starter and showing a side surface of the power starter.
- a cylindrical portion 51b on the bottom surface 51d side of the power starter 51 is provided with a groove 51hl for holding the magnetic body 51h2 so as to be movable, and a claw portion 51h3 for suppressing the magnetic body 51h2.
- the groove 51hl is configured such that the base end for suppressing the magnetic body 51h2 is high on the handle 51a side and the terminal end is low on the bottom surface 51d side.
- the length of the groove 51hl is 90 degrees at the maximum in the circumferential direction of the capsule endoscope 2 with the magnetic body 51h2. The length can be rotated.
- the groove 51hl constitutes moving means according to the present invention
- the claw portion 51h3 constitutes deterring means according to the present invention.
- the claw portion 51h3 is provided in the cylindrical portion 51b on the proximal end side of the groove 51hl, and is normally configured to restrain the magnetic body 51h2 on the proximal end side of the groove 51hl.
- one end of the claw portion 51h3 comes into contact with the cylindrical portion 51b, and the other end moves in the direction of the arrow in the figure to release the restrained state of the magnetic body 5lh2.
- It is configured as follows. When this restrained state is released, the magnetic body 51h2 naturally slides in the groove 5lhl by the attractive force and moves to the end side.
- the contact surface of the groove 5 lhl with the magnetic body 5 lh2 is preferably subjected to a treatment with less friction so that the magnetic body 5 lh2 can move.
- FIG. 25 and FIG. 26 are for explaining another modified example 3 of the inner lid part and the power starter
- FIG. 25 is a top view showing the upper surface of the inner lid part according to modified example 3.
- FIG. 26 is a cross-sectional view showing the FF cross section of FIG. 25 with the power starter attached.
- a step portion 42h is provided on the bottom surface 42e side of the cylindrical portion 42a of the inner lid portion 42.
- the step portion 42h is provided in a band shape within a range of 270 degrees along the inner periphery of the cylindrical portion 42a.
- a projection 51i is provided on the bottom surface 51d side of the cylindrical portion 51b of the power starter 51.
- the projection 51i is In the position where the step 42h of 42 is not provided, the entire bottom 42e of the inner lid 42 and the entire bottom 51d of the power starter 51 can be contacted, and in this state, the power starter 51 is moved in the circumferential direction of the capsule endoscope 2.
- a step is provided in the inner lid portion, and a protrusion whose rotation is restricted by the step portion is provided in the power starter, so that an operator can insert the step into the inner lid portion.
- the power supply starter can be turned exactly 90 degrees, so that the functions of the capsule endoscope can be started at any timing, for example, immediately before use to the subject, as in Example 1.
- the power consumption accumulated in the capsule endoscope can be suppressed.
- FIG. 27 is a cross-sectional view showing the BB cross section of FIG. 11 with the capsule endoscope power starter according to the fourth modification attached.
- a reflecting mirror 5 lj which constitutes a confirmation means that works on the present invention together with the hole 51c, is provided at the tapered portion of the hole 51c of the power starter 51, and the light of the lit LED power is provided. It is configured to be reflected upward of the hole 51c.
- the tapered portion of the hole 51c can be surface-treated so that light can be reflected like a reflecting mirror.
- the reflecting mirror is provided in the hole and the LED lighting is reflected upward, the LED lighting can be easily confirmed by the operator's visual observation. It is possible to improve the visibility for confirming LED lighting.
- the capsule endoscope housing case that is useful in the present invention is useful for a medical observation apparatus that is introduced into a human body and observes a region to be examined. It is suitable for suppressing the power consumption accumulated in the capsule endoscope by enabling the driving of each function of the endoscope to be started at an arbitrary timing.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Optics & Photonics (AREA)
- Endoscopes (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800049670A CN101119676B (zh) | 2005-02-16 | 2006-01-19 | 胶囊型内窥镜用电源起动器及其系统和胶囊型内窥镜产品 |
EP06712015A EP1867269A4 (en) | 2005-02-16 | 2006-01-19 | STARTER OF A POWER SUPPLY FOR A CAPSULE-TYPE ENDOSCOPE |
US11/631,059 US8343038B2 (en) | 2005-02-16 | 2006-01-19 | Power supply starter for capsule endoscope |
AU2006215242A AU2006215242B2 (en) | 2005-02-16 | 2006-01-19 | Power supply starter for capsule type endoscope |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005039508A JP4546278B2 (ja) | 2005-02-16 | 2005-02-16 | カプセル型内視鏡用電源スターター |
JP2005-039508 | 2005-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006087884A1 true WO2006087884A1 (ja) | 2006-08-24 |
Family
ID=36916295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/300769 WO2006087884A1 (ja) | 2005-02-16 | 2006-01-19 | カプセル型内視鏡用電源スターター |
Country Status (6)
Country | Link |
---|---|
US (1) | US8343038B2 (ja) |
EP (2) | EP2351514A1 (ja) |
JP (1) | JP4546278B2 (ja) |
CN (1) | CN101119676B (ja) |
AU (1) | AU2006215242B2 (ja) |
WO (1) | WO2006087884A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2059458A2 (en) * | 2006-09-08 | 2009-05-20 | The Smartpill Corporation | Ingestible capsule packaging |
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JP5148068B2 (ja) * | 2006-03-24 | 2013-02-20 | オリンパスメディカルシステムズ株式会社 | 内視鏡 |
JP4373415B2 (ja) * | 2006-07-05 | 2009-11-25 | オリンパスメディカルシステムズ株式会社 | 生体内情報取得装置 |
US8128560B2 (en) * | 2006-10-31 | 2012-03-06 | Olympus Medical Systems Corp. | Power-supply starter apparatus for capsule-type medical device, start method of capsule-type medical device, and stop method of power supply for capsule-type medical device |
US7834725B2 (en) * | 2007-09-05 | 2010-11-16 | The Smartpill Corporation | Magnetic activation and deactivation circuit and system |
JP5096090B2 (ja) * | 2007-09-19 | 2012-12-12 | オリンパスメディカルシステムズ株式会社 | 生体内画像受信装置および生体内画像取得システム |
JP5284849B2 (ja) * | 2009-03-31 | 2013-09-11 | オリンパス株式会社 | 体内観察システム |
JP5281966B2 (ja) * | 2009-06-23 | 2013-09-04 | オリンパスメディカルシステムズ株式会社 | カプセル型医療装置の収容ケースおよびカプセル型医療装置の電源投入方法 |
WO2011030522A1 (ja) * | 2009-09-09 | 2011-03-17 | パナソニック株式会社 | 電源制御装置 |
EP2502544B1 (en) * | 2009-11-19 | 2016-05-11 | Olympus Corporation | Capsule-medical-device dedicated power source starter |
JP5337013B2 (ja) * | 2009-12-18 | 2013-11-06 | オリンパス株式会社 | 起動制御信号送信装置 |
JP4897120B2 (ja) | 2010-03-05 | 2012-03-14 | オリンパスメディカルシステムズ株式会社 | カプセル型内視鏡起動システム |
JP5192102B2 (ja) * | 2011-05-13 | 2013-05-08 | オリンパスメディカルシステムズ株式会社 | カプセル型内視鏡の収容ケース、カプセル型内視鏡キット、カプセル型内視鏡キットの組み立て方法およびカプセル型内視鏡キットの組み立て装置 |
US10206557B2 (en) * | 2012-02-24 | 2019-02-19 | Capso Vision, Inc. | Power source control for medical capsules |
US20150141752A1 (en) * | 2012-05-19 | 2015-05-21 | Capso Vision, Inc. | Optical Wireless Docking System for Capsule Camera |
EP3858234A1 (en) * | 2020-01-31 | 2021-08-04 | Ovesco Endoscopy AG | Medical capsule including an activation circuit |
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2005
- 2005-02-16 JP JP2005039508A patent/JP4546278B2/ja not_active Expired - Fee Related
-
2006
- 2006-01-19 EP EP11003496A patent/EP2351514A1/en not_active Withdrawn
- 2006-01-19 CN CN2006800049670A patent/CN101119676B/zh not_active Expired - Fee Related
- 2006-01-19 EP EP06712015A patent/EP1867269A4/en not_active Withdrawn
- 2006-01-19 US US11/631,059 patent/US8343038B2/en active Active
- 2006-01-19 WO PCT/JP2006/300769 patent/WO2006087884A1/ja active Application Filing
- 2006-01-19 AU AU2006215242A patent/AU2006215242B2/en not_active Ceased
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Also Published As
Publication number | Publication date |
---|---|
JP4546278B2 (ja) | 2010-09-15 |
CN101119676A (zh) | 2008-02-06 |
AU2006215242A1 (en) | 2006-08-24 |
US8343038B2 (en) | 2013-01-01 |
CN101119676B (zh) | 2010-09-15 |
US20090192353A1 (en) | 2009-07-30 |
JP2006223473A (ja) | 2006-08-31 |
EP2351514A1 (en) | 2011-08-03 |
EP1867269A4 (en) | 2009-10-28 |
EP1867269A1 (en) | 2007-12-19 |
AU2006215242B2 (en) | 2009-02-26 |
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