JP5281966B2 - Capsule type medical device housing case and capsule type medical device power-on method - Google Patents

Description

  The present invention relates to a housing case for a capsule medical device and a power-on method for the capsule medical device.

  Conventionally, capsule-type medical devices that are orally introduced into a subject to acquire information inside the subject are provided with a reed switch that is turned on by magnetism, and the reed switch is turned on by applying magnetism from the outside. (For example, refer to Patent Document 1 shown below).

JP 2005-95433 A

  Heretofore, in order to prevent the hygienic viewpoint and the external casing of the capsule medical device from being scratched, the power source of the capsule medical device is stored in a sterilized case. It was common to turn on. However, in the conventional case, the non-contact type power-on device is not configured to be close enough to the reed switch in the capsule-type medical device, so that the capsule-type medical device is securely turned on. It was difficult to do.

  Therefore, the present invention has been made in view of the above problems, and is a capsule medical device that can be reliably turned on using a non-contact type starter without touching the capsule medical device. It is an object of the present invention to provide a method for powering on a storage case and a capsule medical device.

  In order to achieve such an object, a storage case for a capsule medical device according to the present invention is a storage case for storing a capsule medical device that can be turned on using a magnetic field generated by a starter. The first holding unit that holds one end of the long axis of the device, the second holding unit that holds the other end of the long axis of the capsule medical device, and the first and second holding units. An outer case that accommodates the capsule medical device held in a state where each of the first and second holding portions has a base portion whose side surface is in contact with the inner side of the outer case, and the capsule medical device. A hole formed in a main surface of the base portion or a surface parallel to the main surface into which either end of the long axis of the apparatus is fitted, and the main portion of the base portion so as to surround the hole Characterized in that it comprises a and a convex portion outer diameter is smaller than the base portion projecting from.

  In the capsule medical device storage case according to the present invention described above, the gap formed by the convex portions facing each of the first and second holding portions in a state where the capsule medical device is held is the magnetic field in the starter. It is characterized by being narrower than the thickness of the part that generates

  In the case of the capsule medical device according to the present invention described above, the convex portion has a cylindrical shape, and the hole is formed at the center of a surface parallel to the main surface of the cylindrical convex portion. It is characterized by being.

  In the case of the capsule medical device according to the present invention described above, the convex portion has a donut shape, and the hole is formed in the center inside the convex shape of the donut shape. .

  In the case of the capsule medical device according to the present invention described above, the convex portion includes a plurality of arc-shaped convex portions arranged on a circle on the main surface of the base portion, and the hole includes the plurality of circles. An arc-shaped convex part is formed in the center of the circle arranged.

  In the case of the capsule medical device according to the present invention described above, the convex portion includes a plurality of columnar convex portions arranged in a circle on the main surface of the base portion, and the hole has the plurality of columnar convex portions. A convex portion is formed at the center of the circle arranged.

  In the capsule medical device housing case according to the present invention, the first and second holding portions have the same shape.

  Further, the power-on method of the capsule medical device according to the present invention is a power-on method of the capsule medical device housed in the housing case of any of the capsule medical devices described above, and is taken out from the housing case. With respect to the capsule medical device held in the first and second holding portions, the convex portions facing the first and second holding portions are perpendicular to the major axis of the capsule medical device. When the starter that generates the magnetic field from a direction approaches, the capsule medical device is powered on.

  According to the present invention, if a starter generating a magnetic field is brought close to a recess formed by the convex portion of the first holding portion and the convex portion of the second holding portion, the starter is provided for the entire capsule medical device. Capsule-type medical device storage case and capsule-type medical device power-on method that can be reliably turned on using a non-contact type starter without touching the capsule-type medical device It becomes possible to do.

FIG. 1 is a perspective view showing a schematic configuration of a housing case of a capsule medical device according to an embodiment of the present invention. FIG. 2A is a perspective view showing a schematic configuration of a lower holding portion according to an embodiment of the present invention. FIG. 2B is a top view showing a schematic configuration of the lower holding portion according to the embodiment of the present invention. 2C is a cross-sectional view taken along the line AA in FIG. 2B. FIG. 3 is a view for explaining the assembly order of the housing case according to the embodiment of the present invention. FIG. 4 is a diagram for explaining a power-on method of the capsule medical device according to the embodiment of the present invention. FIG. 5A is a schematic top view showing a geometric relationship between the internal holding portion and the starter in the embodiment of the present invention. FIG. 5B is a schematic vertical sectional view showing a geometric relationship between the internal holding portion and the starter in the embodiment of the present invention. FIG. 6A is a perspective view showing a schematic configuration of a lower holding portion according to Modification 1 of the embodiment of the present invention. FIG. 6B is a top view illustrating a schematic configuration of the lower holding portion according to the first modification of the embodiment of the present invention. 6C is a cross-sectional view taken along line BB in FIG. 6B. FIG. 7A is a perspective view showing a schematic configuration of a lower holding portion according to Modification 2 of the embodiment of the present invention. FIG. 7B is a top view illustrating a schematic configuration of the lower holding portion according to the second modification of the embodiment of the present invention. FIG. 7C is a cross-sectional view taken along the line CC of FIG. 7B. FIG. 8A is a perspective view showing a schematic configuration of a lower holding portion according to Modification 3 of the embodiment of the present invention. FIG. 8B is a top view illustrating a schematic configuration of the lower holding portion according to the third modification of the embodiment of the present invention. FIG. 8C is a DD cross-sectional view of FIG. 8B.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings. In the following description, each drawing only schematically shows the shape, size, and positional relationship to the extent that the contents of the present invention can be understood. Therefore, the present invention is illustrated in each drawing. It is not limited to only the shape, size, and positional relationship. Moreover, in each figure, a part of hatching in a cross section is abbreviate | omitted for clarification of a structure.

  DESCRIPTION OF EMBODIMENTS Hereinafter, a capsule medical device housing case and a capsule medical device power-on method according to a position embodiment of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to these embodiments.

  FIG. 1 is a perspective view showing a schematic configuration of a housing case 1 of a capsule medical device 100 according to the present embodiment. As shown in FIG. 1, the housing case 1 is composed of an outer case 110 and an internal holding part 10. The exterior case 110 is, for example, a cylindrical main container 111 whose interior is hollow and whose lower part is sealed with a bottom plate and whose upper part is opened, and is fixed to the opening of the main container 111 with an adhesive 113 so that the exterior case 110 is 110 includes a lid 112 for sealing the inside, and the capsule medical device 100 is housed in a hermetically sealed state in a sterilized state.

  The exterior case 110 can be formed using a general case material such as transparent or translucent plastic or glass. However, among general materials, it is preferable to use a material that can be molded more easily and can be hermetically and liquid-tightly sealed while maintaining the interior in a sterilized state.

  On the other hand, the internal holding unit 10 includes a holding unit that holds one end of the capsule medical device 100 having a long axis (this is referred to as an upper holding unit 10a) and an optical unit 101 of the capsule medical device 100. And a holding portion (this is referred to as a lower holding portion 10b) for holding the other end provided, while protecting the capsule medical device 100 in a state of being sandwiched from both ends of the long axis in the outer case 110 Hold. In addition, by forming the upper holding portion 10a and the lower holding portion 10b with the same material and the same shape, it becomes possible to facilitate manufacturing and inventory management.

  Next, a more detailed configuration of the internal holding unit 10 according to the present embodiment will be described with reference to the drawings. However, in the present embodiment, the upper holding portion 10a and the lower holding portion 10b have the same shape. Therefore, in the following, for simplification of description, the description will be given focusing on the lower holding portion 10b.

  FIG. 2A is a perspective view showing a schematic configuration of the lower holding portion 10b according to the present embodiment. FIG. 2B is a top view showing a schematic configuration of the lower holding portion 10b according to the present embodiment. 2C is a cross-sectional view taken along the line AA in FIG. 2B.

  As shown in FIGS. 2A to 2C, the lower holding portion 10 b includes a base portion 13 and a cylindrical convex portion 11 protruding from the main surface of the base portion 13. The base portion 13 is formed so that the side surface 13 a contacts the outer case 110. The lower holding portion 10 b is fixed in the outer case 110 by the side surface 13 a of the base portion 13 coming into contact with the inner side surface of the outer case 110. Further, as will be described later, the side surface 11a of the convex portion 11 is a latch for preventing the starter 120 that turns on the power of the capsule medical device 100 in a non-contact manner from contacting the capsule medical device 100. Functions as a surface.

  Further, the convex portion 11 has a cylindrical shape whose outer diameter is smaller than that of the base portion 13, and protrudes from substantially the center of the main surface of the base portion 13. A holding hole 12 into which the dome-shaped end portion of the capsule medical device 100 is fitted is formed at the approximate center of the main surface of the convex portion 11 (a surface parallel to the main surface of the base portion 13).

  The holding hole 12 includes an upper space extending in a cylindrical shape from the upper surface of the convex portion 11 and a hemispherical lower space disposed at the bottom of the upper space. The opening shape of the holding hole 12, that is, the opening shape of the upper space extending in a cylindrical shape is substantially equal to the cross-sectional shape when the capsule medical device 100 is cut along a plane perpendicular to the long axis of the capsule medical device 100. On the other hand, the shape of the lower space at the bottom of the holding hole 12 is substantially the same as the dome-shaped end of the capsule medical device 100. Therefore, the holding hole 12 holds the capsule medical device 100 mainly by the side surface of the cylindrical upper space coming into contact with the side surface of the capsule medical device 100. When the capsule medical device 100 is inserted deeply into the holding hole 12, the wall of the lower space of the holding hole 12 and the dome-shaped end of the capsule medical device 100 come into contact with each other. The medical device 100 is prevented from being inserted excessively. The shape of the lower space of the holding hole 12 is not limited to the above and can be variously modified. However, even if the shape of the lower space of the holding hole 12 is in contact with the dome-shaped end portion of the capsule medical device 100, it is preferable that the end portion is not easily damaged.

  In addition, when the capsule medical device 100 includes the optical unit 101 at one end, the lower holding unit 10b that holds the end where the optical unit 101 is disposed is made of, for example, a light-shielding material. And a chart unit 14 for confirming and adjusting resolution, white balance, and the like at the initial operation of the capsule medical device 100 on the bottom of the holding hole 12 of the lower holding unit 10b (the bottom of the lower space). Is provided. This makes it possible to acquire various settings of the capsule medical device 100 and parameters during image processing during an initial operation that starts from when the capsule medical device 100 is turned on.

  Next, the assembly of the storage case 1 according to the present embodiment will be described in detail with reference to the drawings. FIG. 3 is a view for explaining the assembly order of the housing case 1 according to the present embodiment.

  As shown in FIG. 3, in assembling the housing case 1, first, the lower holding portion 10b is housed in the main container 111 of the outer case 110 in an upward state (step S1). At this time, the lower holding part 10 b may be pushed in so that the lower holding part 10 b reaches the bottom of the main container 111. Thereby, the lower holding part 10b can be stabilized in the main container 111. Note that the upward state refers to a state in which the opening portion of the holding hole 12 faces upward.

  Next, one end (on the optical unit 101 side) of the capsule medical device 100 is fitted into the holding hole 12 of the lower holding portion 10b in the main container 111 (step S2). At this time, it is not necessary to push the capsule medical device 100 firmly into the holding hole 12, and it is sufficient to push the capsule medical device 100 with such a strength that the capsule medical device 100 is held in the holding hole 12 to some extent.

  Next, the upper holding part 10a is housed in the main container 111 in a downward state so that the other end of the capsule medical device 100 fits into the holding hole 12 (step S3). Also in this case, it is not necessary to strongly push the upper holding portion 10a into the main container 111 so that the capsule medical device 100 is strongly pushed into the holding hole 12, and the capsule medical device 100 is stabilized to the holding hole 12 to some extent. You only have to push it in as hard as you can.

  Thereafter, the inside of the main container 111 is sterilized, and the stabilizing gas is purged into the main container 111 as necessary, and then the lid 112 is fixed to the opening of the main container 111 with the adhesive 113 (step S4). Thus, for example, the exterior case 110 can be hermetically and liquid-tightly sealed so that the inside of the exterior case 110 is maintained in a sterilized state until the lid 112 is opened during use. The outer case 110 may be sterilized after the main container 111 and the lid 112 are bonded.

  Next, a method for turning on the capsule medical device 100 according to the present embodiment will be described in detail with reference to the drawings. FIG. 4 is a diagram for explaining a power-on method of the capsule medical device 100 according to the present embodiment.

  As shown in FIG. 4, after opening the lid 112 of the outer case 110, the capsule medical device 100 is taken out from the outer case 110 while being held by the upper holding portion 10 a and the lower holding portion 10 b. Thereafter, the U-shaped starter 120 for supplying the power of the capsule medical device 100 in a non-contact manner to the constricted portion formed by the base portion 13 of the upper holding portion 10a and the base portion 13 of the lower holding portion 10b. The non-contact power-on unit 121 is inserted, and in this state, the power-on magnetic field generation button 123 provided on the handle unit 122 of the starter 120 is pressed. Then, a magnetic field having a predetermined frequency is generated in the non-contact power supply unit 121, and this magnetic field is received by the reed switch 102 of the capsule medical device 100 and turned on. Thereby, the power supply of the capsule medical device 100 is turned on.

  Here, the relationship between the internal holding part 10 and the starter 120 in this Embodiment is demonstrated in detail using drawing. FIG. 5A is a schematic top view showing the geometric relationship between the internal holding unit 10 and the starter 120 in the present embodiment. FIG. 5B is a schematic vertical sectional view showing a geometric relationship between the internal holding unit 10 and the starter 120 in the present embodiment. However, in FIG. 5A, for convenience of explanation, the upper holding portion 10a is omitted.

  As shown in FIGS. 5A and 5B, the base portion 13 of the upper holding portion 10a and the base portion 13 of the lower holding portion 10b have a constricted shape. This constricted portion is mainly formed from the difference between the size of the base portion 13 and the diameter of the convex portion 11 in the upper holding portion 10a and the lower holding portion 10b. The diameter of the concave portion 11 is slightly smaller than the bending diameter (inner side) of the root portion of the U-shaped non-contact power supply portion 121 in the starter 120. Therefore, in the present embodiment, the U-shaped non-contact power-on portion 121 of the starter 120 is inserted from the side of the internal holding portion 10 so as to sandwich the constricted portion, and in this state, the user provides the grip portion 122. The pressed power-on magnetic field generation button 123 is pressed. As a result, a magnetic field for power-on is generated from the U-shaped non-contact power-on unit 121. At this time, in this embodiment, the body of the capsule medical device 100 has a U-shaped non-contact power-on. In this state, the magnetic field for power-on can be generated in a state where the non-contact power-on unit 121 that is a magnetic field generation source and the reed switch 102 in the capsule medical device 100 are close to each other. It becomes possible. As a result, the capsule medical device 100 can be powered on with a more reliable and lower magnetic field.

  Further, the gap G between the convex portion 11 of the upper holding portion 10 a and the convex portion of the lower holding portion 10 b is narrower than the thickness D of the non-contact power-on portion 121 of the starter 120. Therefore, the contactless power-on portion 121 of the starter 120 enters from the gap G when the power is turned on, and is prevented from coming into contact with the capsule medical device 100. As a result, it is possible to avoid the occurrence of problems such as the capsule medical device 100 being damaged by the starter 120 or being contaminated by contact with the contaminated starter 120 when the power is turned on.

  As described above, in the present embodiment, the starter 120 is placed close to the recess formed by the convex portion 11 of the upper holding portion 10a (first holding portion) and the convex portion 11 of the lower holding portion 10b (second holding portion). Then, since the starter is brought close to the entire capsule medical device, the power can be reliably turned on using the non-contact type starter without touching the capsule medical device. Moreover, since the arrangement of the reed switch 102 in the capsule medical device 100 is not limited by such a configuration, the degree of freedom in designing the capsule medical device 100 can be improved.

  Furthermore, the internal holding part 10 according to the present embodiment can be made to have the same shape in the upper and lower holding parts (the upper holding part 10a and the lower holding part 10b), which facilitates the manufacture and inventory management thereof. It becomes possible to plan.

(Modification 1)
Moreover, the modification of the internal holding | maintenance part 10 by the said embodiment is demonstrated in detail below using drawing. 6A to 6C are diagrams for describing a schematic configuration of the internal holding portion according to the first modification of the present embodiment. However, in the following, for simplification of description, the description will be given focusing on the lower holding portion 20b.

  FIG. 6A is a perspective view illustrating a schematic configuration of the lower holding portion 20b according to the first modification. FIG. 6B is a top view illustrating a schematic configuration of the lower holding portion 20b according to the first modification. 6C is a cross-sectional view taken along line BB in FIG. 6B.

  As shown in FIGS. 6A to 6C, the lower holding portion 20 b includes a base portion 13 and a donut-shaped convex portion 21 protruding from the main surface of the base portion 13. The base part 13 is the same as that of the said embodiment. The convex portion 21 has a donut shape whose outer diameter is smaller than that of the base portion 13, and protrudes from the approximate center of the main surface of the base portion 13. A semispherical holding hole 22 into which the dome-shaped end portion of the capsule medical device 100 is fitted is formed in the approximate center of the main surface of the base portion 13 inside the convex portion 21. In addition, the side surface 21a of the convex portion 21 is a locking surface for preventing the starter 120 that turns on the power supply of the capsule medical device 100 in a non-contact manner, like the side surface 11a, from contacting the capsule medical device 100. Function as.

  The holding hole 22 is substantially equal to the dome-shaped end of the capsule medical device 100. Therefore, the holding hole 22 mainly holds the capsule medical device 100 by contacting the vicinity of the opening and the edge of the dome portion at the end of the capsule medical device 100. Further, when the capsule medical device 100 is inserted deeply into the holding hole 22, the capsule medical device 100 is excessively brought into contact with the lower wall of the holding hole 22 and the dome portion of the capsule medical device 100. Is prevented from being plugged into. The shape of the holding hole 22 is not limited to the above and can be variously modified. However, even if the holding hole 22 is in contact with the dome-shaped end of the capsule medical device 100, it is preferable that the end is difficult to damage.

  In addition, the outer side surface of the convex portion 21 is used to prevent the starter 120 that supplies power to the capsule medical device 100 in a non-contact manner from coming into contact with the capsule medical device 100, as in the above embodiment. Functions as a locking surface. Other configurations and effects are the same as those of the above embodiment, and thus detailed description thereof is omitted here.

(Modification 2)
Next, another modification of the internal holding unit 10 according to the above embodiment will be described in detail with reference to the drawings. 7A to 7C are diagrams for explaining a schematic configuration of the internal holding portion according to the second modification of the present embodiment. However, in the following, for simplification of description, the description will be given focusing on the lower holding portion 30b.

  FIG. 7A is a perspective view illustrating a schematic configuration of a lower holding portion 30b according to the second modification. FIG. 7B is a top view illustrating a schematic configuration of the lower holding portion 30b according to the second modification. FIG. 7C is a cross-sectional view taken along the line CC of FIG. 7B.

  As shown in FIGS. 7A to 7C, the lower holding part 30 b includes a base part 13 and a plurality of arc-shaped convex parts 31 protruding from the main surface of the base part 13. The base part 13 is the same as that of the said embodiment. The plurality of arc-shaped convex portions 31 are arranged on a circle smaller than the base portion 13 and protrude from the main surface of the base portion 13. A hemispherical holding hole 22 into which the dome-shaped end portion of the capsule medical device 100 is inserted is formed at substantially the center of the main surface of the base portion 13 inside the circle connecting the plurality of convex portions 31. Note that the side surface 31 a of the convex portion 31 is a locking surface for preventing the starter 120 that turns on the power of the capsule medical device 100 in a non-contact manner, like the side surface 11 a. Function as.

  The outer side surface of the convex portion 31 is a member for preventing the starter 120 that turns on the power supply of the capsule medical device 100 in a non-contact manner from coming into contact with the capsule medical device 100, as in the above embodiment. It functions as a stop surface. Therefore, in the second modification, the gap between the adjacent convex portions 31 is set to a gap that the U-shaped non-contact power supply portion 121 of the starter 120 cannot enter. This makes it possible to avoid the occurrence of problems such as the capsule medical device 100 being damaged by the starter 120 when the power is turned on, or being contaminated by contact with the dirty starter 120. Other configurations and effects are the same as those of the above embodiment, and thus detailed description thereof is omitted here.

(Modification 3)
Further, another modification of the internal holding unit 10 according to the above embodiment will be described in detail with reference to the drawings. 8A to 8C are diagrams for explaining a schematic configuration of the internal holding unit according to the third modification of the present embodiment. However, in the following, for simplification of description, the description will be given focusing on the lower holding portion 40b.

  FIG. 8A is a perspective view illustrating a schematic configuration of the lower holding portion 40b according to the third modification. FIG. 8B is a top view illustrating a schematic configuration of the lower holding portion 40b according to the third modification. FIG. 8C is a DD cross-sectional view of FIG. 8B.

  As shown in FIGS. 8A to 8C, the lower holding portion 40 b includes a base portion 13 and a columnar convex portion 41 protruding from the main surface of the base portion 13. The base part 13 is the same as that of the said embodiment. The plurality of columnar convex portions 41 are arranged on a circle smaller than the base portion 13 and protrude from the main surface of the base portion 13. A hemispherical holding hole 22 into which the dome-shaped end portion of the capsule medical device 100 is inserted is formed at the approximate center of the main surface of the base portion 13 inside the circle connecting the plurality of convex portions 41. Note that the side surface 41 a of the convex portion 41 is a locking surface for preventing the starter 120 that turns on the power supply of the capsule medical device 100 in a non-contact manner, in the same manner as the side surface 11 a. Function as.

  Similar to the above-described embodiment, the outer side surface of the convex portion 41 is a member for preventing the starter 120 that turns on the power supply of the capsule medical device 100 in a non-contact manner from contacting the capsule medical device 100. It functions as a stop surface. Therefore, in the third modification, the gap between the adjacent convex portions 41 is set to such a degree that the U-shaped non-contact power input portion 121 of the starter 120 cannot enter. Accordingly, it is possible to avoid the occurrence of problems such as the capsule medical device 100 being damaged by the starter 120 when the power is turned on or the contaminated starter 120 being contaminated. Other configurations and effects are the same as those of the above embodiment, and thus detailed description thereof is omitted here.

  Further, the above embodiment is merely an example for carrying out the present invention, and the present invention is not limited to these, and various modifications according to specifications and the like are within the scope of the present invention. It is obvious from the above description that various other embodiments are possible within the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Storage case 10 Internal holding part 10a Upper holding part 10b, 20b, 30b, 40b Lower holding part 11, 21, 31, 41 Protrusion part 11a, 21a, 31a, 41a Side surface 12, 22 Holding hole 13 Base part 13a Side surface 14 Chart Part 100 Capsule type medical device 101 Optical unit 102 Reed switch 110 Exterior case 111 Main container 112 Lid 113 Adhesive 120 Starter 121 Non-contact power-on part 122 Handle part 123 Power-on magnetic field generation button

Claims (8)

A storage case for storing a capsule medical device that can be turned on using a magnetic field generated by a starter,
A first holding unit for holding one end of the long axis of the capsule medical device;
A second holding part for holding the other end of the long axis of the capsule medical device;
An exterior case that houses the capsule medical device in a state of being held between the first and second holding portions;
With
Each of the first and second holding portions includes a base portion whose side surface is in contact with the inside of the exterior case, and a main surface of the base portion on which one end of the long axis of the capsule medical device is fitted. Or a hole formed in a plane parallel to the main surface, and a convex part having an outer diameter smaller than the base part protruding from the main surface of the base part so as to surround the hole. Capsule medical device storage case.   The gap formed by the opposing convex portions of the first and second holding portions in a state where the capsule medical device is held is narrower than the thickness of the portion that generates the magnetic field in the starter. The storage case for the capsule medical device according to claim 1. The convex portion has a cylindrical shape,
The container case according to claim 1 or 2, wherein the hole is formed at a center of a surface parallel to the main surface of the cylindrical convex portion. The convex portion has a donut shape,
3. The capsule medical device storage case according to claim 1, wherein the hole is formed at a center inside the donut-shaped convex portion. The convex portion is composed of a plurality of arc-shaped convex portions arranged on a circle on the main surface of the base portion,
3. The capsule medical device storage case according to claim 1, wherein the hole is formed at a center of the circle in which the plurality of arc-shaped convex portions are arranged. The convex portion is composed of a plurality of columnar convex portions arranged on a circle on the main surface of the base portion,
3. The capsule medical device housing case according to claim 1, wherein the hole is formed at a center of the circle in which the plurality of columnar protrusions are arranged.   The container case for a capsule medical device according to any one of claims 1 to 6, wherein the first and second holding portions have the same shape. A method for powering on the capsule medical device housed in the housing case according to any one of claims 1 to 7,
With respect to the capsule medical device in a state of being held by the first and second holding portions taken out from the housing case, the capsule medical device is formed on the convex portion facing the first and second holding portions. The capsule medical device is turned on when the starter that generates the magnetic field from a direction perpendicular to the long axis of the capsule medical device is turned on.

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