JP2020171469A - Medical instrument - Google Patents

Abstract

To provide a medical instrument capable of executing sterilization treatment quickly and easily.SOLUTION: A medical instrument 1 includes: an insertion part 2 inserted into a living body; an imaging part 11 for capturing an image in an insertion direction of the insertion part 2; an irradiation part 12 for irradiating light toward the insertion direction; and a case 4 disposed on the base end side of the insertion part 2 for storing an electronic device 3 having a display part 32 for displaying the image captured by the imaging part 11 and a control part for controlling the operation of the display part 32, the imaging part 11, and the irradiation part 12. The case 4 includes a body part 41, a lid part 42 that enables the electronic device 3 to be taken in and out for the body part 41 in an open state, and that maintains airtightness with the body part 41 in a closed state, and a connector part 43 for electrically connecting the control part to the imaging part 11 and the irradiation part 12 in a storage state in which the electronic device 3 is stored in the body part 41.SELECTED DRAWING: Figure 1

Description

The present invention relates to a medical device.

For example, when a patient loses consciousness due to an accident or the like, the airway may be obstructed. In this case, an intubation support device is used in combination with an intubation tube to secure the airway (see, for example, Patent Document 1). The intubation support device described in Patent Document 1 includes a device main body having a display composed of a liquid crystal display element or the like, and an intubation support tool that is detachably attached to the device main body and guides the intubation tube. In addition, when using the intubation support device, it is necessary to sterilize the device body and the intubation support tool.

JP-A-2007-117114

However, in the intubation support device described in Patent Document 1, the intubation support tool can be sterilized as it is, but since the device body contains electronic parts such as a display, it has a waterproof structure. If it does not have it, there is a problem that the sterilization process cannot be performed as it is.
An object of the present invention is to provide a medical device capable of performing a sterilization process quickly and easily.

One aspect of the medical device of the present invention is an insertion portion that has a long shape, has a bent portion bent or curved from the middle of the tip side in the longitudinal direction thereof, and is inserted into a living body.
An imaging unit that captures an image in the insertion direction of the insertion unit,
An irradiation unit that irradiates light in the insertion direction,
It has a display unit arranged on the base end side of the insertion unit and displaying an image captured by the imaging unit, and a control unit that controls the operation of the display unit, the imaging unit, and the irradiation unit. A case for accommodating the display unit, the imaging unit, and an electronic device for operating the irradiation unit is provided.
The case has a box-shaped main body and
A lid portion that is openably and closably supported by the main body portion, allows the electronic device to be taken in and out of the main body portion in the open state, and maintains airtightness between the main body portion and the main body portion in the closed state.
It is provided in the main body portion, and has a connector portion that electrically connects the control unit, the imaging unit, and the irradiation unit in a stored state in which the electronic device is housed in the main body portion.

According to the present invention, the sterilization process can be performed quickly and easily.

FIG. 1 is an exploded perspective view showing a first embodiment when the medical device of the present invention is applied to a muscle hook (medical hook). FIG. 2 is a block diagram of the medical device shown in FIG. FIG. 3 is a vertical cross-sectional view showing a closed state of the lid of the case included in the medical device shown in FIG. FIG. 4 is a view (plan view) seen from the direction of arrow A in FIG. FIG. 5 is a cross-sectional view taken along the line BB in FIG. FIG. 6 is a vertical cross-sectional view showing a process of storing a smartphone in a case provided in the medical device shown in FIG. FIG. 7 is a vertical cross-sectional view showing a state in which the storage of the smartphone is completed from the state shown in FIG. FIG. 8 is a vertical cross-sectional view showing a process of storing a smartphone in a case provided in the medical device shown in FIG. FIG. 9 is a vertical cross-sectional view showing a state in which the storage of the smartphone is completed from the state shown in FIG. FIG. 10 is a side view showing a second embodiment when the medical device of the present invention is applied to a muscle hook. FIG. 11 is a side view showing a state in which the connector portion of the case provided in the medical device is deformed from the state shown in FIG. FIG. 12 is an exploded perspective view showing a third embodiment when the medical device of the present invention is applied to a muscle hook.

Hereinafter, the medical device of the present invention will be described in detail based on the preferred embodiments shown in the accompanying drawings.
<First Embodiment>
FIG. 1 is an exploded perspective view showing a first embodiment when the medical device of the present invention is applied to a muscle hook (medical hook). FIG. 2 is a block diagram of the medical device shown in FIG. FIG. 3 is a vertical cross-sectional view showing a closed state of the lid of the case included in the medical device shown in FIG. FIG. 4 is a view (plan view) seen from the direction of arrow A in FIG. FIG. 5 is a cross-sectional view taken along the line BB in FIG. FIG. 6 is a vertical cross-sectional view showing a process of storing a smartphone in a case provided in the medical device shown in FIG. FIG. 7 is a vertical cross-sectional view showing a state in which the storage of the smartphone is completed from the state shown in FIG. FIG. 8 is a vertical cross-sectional view showing a process of storing a smartphone in a case provided in the medical device shown in FIG. In the following, for convenience of explanation, the upper side in FIGS. 1, 3 and 5 to 9 is referred to as "upper (or upper)" and the lower side is referred to as "lower (or lower)" (FIGS. 10 to 10). The same applies to 12).

The medical instrument 1 shown in FIG. 1 includes an insertion unit 2 inserted into a living body, an imaging unit 11 that captures an image in the insertion direction of the insertion unit 2, and irradiation that irradiates light toward the insertion direction of the insertion unit 2. A part 12, a smartphone 30 as an electronic device 3 for performing various operations, and a case 4 for storing the smartphone 30 (electronic device 3) are provided, and these are assembled and used as a muscle hook (medical hook). .. The configuration of each part will be described below. The "muscle hook" is a medical device that pulls the tissue around the surgical field (incision) in the living body to make the surgical field easier to see.

The insertion portion 2 is made of a long and hard member. The base end of the insertion portion 2 is detachably attached to the connector portion 44 of the case 4.
The insertion portion 2 has a bent portion 21 that is bent or curved from the middle of the tip side in the longitudinal direction thereof. At the time of surgery, the base end portion of the insertion portion 2 can be grasped so that the bent portion 21 is inserted into the living body and can be pulled in a desired direction as it is. As a result, the tissue surrounding the surgical field in the living body is also pulled in that direction, and thus the surgical field becomes easier to see.

The total length L ₂₁ of the bent portion 21 is not particularly limited, and is preferably 100 mm or more, more preferably 100 mm or more and 200 mm or less, for example. As a result, the insertion portion 2 has a size suitable for use with the smartphone 30. As the insertion portion 2, various insertion portions 2 having different total lengths L ₂₁ of the bending portion 21 are prepared in advance, and are appropriately selected and used from these.

Bending angle theta ₂₁ of the bending portion 21 is not particularly limited, for example, is preferably 70 ° or more 110 ° or less, more preferably 85 ° to 95 or less.
The constituent material of the insertion portion 2 is not particularly limited, and examples thereof include various resin materials and various metal materials.

Further, the insertion portion 2 has a groove 22 formed over the entire length thereof. A flexible tube 13 can be inserted into the groove 22 from the middle of the longitudinal direction toward the tip portion. The tube 13 is used for air supply / exhaust during surgery, or for water injection / drainage. For example, when the smoke from the electric knife fills the surgical field, the smoke can be discharged from the surgical field through the tube 13, and thus the field of view is secured.

Further, the insertion portion 2 preferably has a lock portion (not shown) that is attached to the case 4 and maintains the attached state. As a result, it is possible to prevent the wearing state from being unintentionally (unexpectedly) released while the medical device 1 is being used, and thus the image captured by the imaging unit 11 described later is displayed on the electronic device 3. You can continue to check in section 32.

An imaging unit 11 and an irradiation unit 12 are built in the insertion unit 2.
The imaging unit 11 has a CCD (Charge Coupled Device) 111 or the like, which is an imaging element arranged at the tip of the insertion unit 2, and captures an image of the surgical field and its surroundings located in front of the insertion unit 2 in the insertion direction. can do. The CCD 111 may be supported so as to be movable along the longitudinal direction of the insertion portion 2.

The irradiation unit 12 has a light emitting diode 121 or the like which is a light emitting element arranged side by side with the CCD 111 at the tip of the insertion unit 2, and emits light toward the surgical field located in front of the insertion unit 2 in the insertion direction and its periphery. Can be irradiated. As a result, the image of the surgical field can be clearly captured. The light emitting diode 121 may be supported so as to be movable along the longitudinal direction of the insertion portion 2.

The image sensor and the light emitting element are not limited to being provided in the insertion unit 2, and may be provided in, for example, the electronic device 3. When the image pickup device 3 is provided in the electronic device 3, it is preferable that the insertion portion 2 is provided with an optical fiber that guides light to the image pickup device. Similarly, when the light emitting element is provided in the electronic device 3, it is preferable that the insertion portion 2 is provided with an optical fiber that guides light to the tip end portion of the insertion portion 2.

As shown in FIG. 1, the electronic device 3 is composed of a smartphone 30 arranged on the proximal end side of the insertion portion 2. As shown in FIG. 2, the electronic device 3 is a device that has a control unit 31 and a display unit 32, and operates the display unit 32, the imaging unit 11, and the irradiation unit 12. Although the smartphone 30 is used as the electronic device 3 in the present embodiment, the electronic device 3 is not limited to this, and various electronic devices such as mobile phones and the like may be used.

The control unit 31 is composed of a CPU (Central Processing Unit), various memories, and the like. In the electronic device 3, the connector portion 33 is electrically connected to the connector portion 112 of the imaging unit 11 and the connector portion 122 of the irradiation unit 12 via the connector portion 44 of the case 4. Thereby, the control unit 31 can control the operation of the image pickup unit 11 and the irradiation unit 12. Further, the control unit 31 is electrically connected to the display unit 32, and the operation of the display unit 32 can also be controlled. In this embodiment, the connector portion 33 is arranged at the center portion in the width direction of the electronic device 3.

The display unit 32 has, for example, a liquid crystal screen, and the image captured by the image pickup unit 11 can be displayed via the liquid crystal screen. As a result, the user of the medical device 1 can confirm the image displayed on the display unit 32 when performing the operation, and thus the operation can be easily and smoothly performed.

The electronic device 3 is housed in the case 4 and used in the state during the operation. Hereinafter, the state in which the electronic device 3 is stored in the case 4 is referred to as a “storage state”. As shown in FIG. 1, the case 4 has a flat box-shaped main body portion 41, a lid portion 42 supported to be opened and closed by the main body portion 41, and a connector portion 43 fixed to the main body portion 41. And a cushioning portion 44 arranged inside the main body portion 41.

The main body 41 has a rectangular bottom plate 411 and side plates 412 erected upward from each of the four sides of the bottom plate 411. It is preferable that the bottom plate 411 and each side plate 412 are integrally formed. The outer shape of the main body 41 is not particularly limited as long as it is made of a box, and may be flat as in the present embodiment or may have any other shape.

The four side plates 412 include a side plate 412a and a side plate 412b having a larger side view size (area), and a side plate 412c and a side plate 412d having a smaller side view size (area) than the side plate 412a and the side plate 412b. And there is. Then, the side plates 412a and the side plates 412b face each other, and the side plates 412c and the side plates 412d face each other. Further, in the main body 41, at least the side plate 412a and the side plate 412b are transparent. As a result, for example, as shown in FIG. 1, when the display unit 32 of the electronic device 3 faces the side plate 412a in the stored state, the image displayed on the display unit 32 can be visually recognized via the side plate 412a. .. Further, even when the display unit 32 of the electronic device 3 faces the side plate 412b in the stored state, the image displayed on the display unit 32 can be visually recognized via the side plate 412b. As described above, the side plates 412a and 412b also function as windows when visually recognizing the image displayed on the display unit 32.

In the case 4, it is preferable that at least the inner surface (back surface) of the side plate 412a and the side plate 412b is subjected to anti-fog treatment. As a result, even if various conditions such as temperature and humidity in the case 4 change during the use of the medical device 1, the side plates 412a and 412b are prevented from becoming cloudy, and thus the display is displayed on the display unit 32 of the electronic device 3. The image is easily visible. Further, the case 4 may be provided with an adjusting valve or an adjusting connector as an adjusting unit for adjusting the temperature and humidity in the case 4.
Further, the display unit 32 of the electronic device 3 has a touch panel function. In this case, the case 4 corresponds to this touch panel function. As a result, the display unit 32 can be pressed, for example, via the side plate 412a or the side plate 412b.

Further, the main body 41 has an opening 413 whose side opposite to the bottom plate 411 opens upward. The electronic device 3 can be taken in and out of the main body 41 through the opening 413.
The lid portion 42 is connected to the edge portion of the opening 413 via a support portion 45 that rotatably supports the lid portion 42. The lid portion 42 has a plate shape, and the opening 413 can be opened and closed by being rotated by the support portion 45. Then, in the open state, the electronic device 3 can be taken in and out of the main body 41, and in the closed state, the airtightness between the main body 41 and the lid 42 is maintained.

As shown in FIG. 3, the packing 46 is fixed to the back side of the lid portion 42, that is, the portion facing the inside of the main body portion 41 in the closed state. As a result, the airtightness (liquidtightness) between the main body portion 41 and the lid portion 42 in the closed state can be maintained.
Further, the case 4 has a lock portion (not shown) for maintaining the closed state of the lid portion 42. As a result, it is possible to prevent the lid portion 42 from being unintentionally (unexpectedly) opened during the sterilization process described later, and to protect the connector portion 43 and the like inside the case 4.

The constituent materials of the main body 41 and the lid 42 are not particularly limited, and examples thereof include various resins such as polypropylene, cyclic polyolefin, and polyester. The constituent material of the packing 46 is not particularly limited, and for example, various rubber materials such as isoprene rubber, butadiene rubber, styrene-butadiene rubber, and silicone rubber, or various thermoplastic elastomers such as polyurethane-based and styrene-based. And other elastic materials.

As shown in FIG. 1, the connector portion 43 is fixed to the main body portion 41 on the opposite side of the lid portion 42, that is, to the bottom plate 411 of the main body portion 41. A through hole 414 is formed in the bottom plate 411, and the connector portion 43 is inserted into the through hole 414. Further, a ring-shaped packing 47 for sealing is provided between the connector portion 43 and the edge portion of the through hole 414. In the present embodiment, the connector portion 43 is arranged at the center portion in the width direction of the main body portion 41.

The connector portion 33 of the electronic device 3 is connected to the connector portion 43 from the inside of the main body portion 41, and the connector portion 112 of the imaging unit 11 and the connector portion 122 of the irradiation unit 12 are connected from the outside of the main body portion 41. And are connected. As a result, the control unit 31 of the electronic device 3 and the imaging unit 11 and the irradiation unit 12 can be electrically connected when the electronic device 3 is in the stored state, and thus the imaging unit 11 and the irradiation unit 12 can be operated. it can.
The configuration of the connector portion 43 is not particularly limited, and may include, for example, a rigid connector housing 431 and a plurality of terminals (not shown) arranged in the connector housing 431. ..

As shown in FIG. 4, a cushioning portion 44 is arranged inside the main body portion 41. The cushioning portion 44 is made of a porous body having elasticity (cushioning property), that is, flexibility, and the material thereof is not particularly limited, and for example, a material containing silicone or the like can be used.

The cushioning portion 44 is formed on a plate-shaped first portion 48a fixed to the side plate 412a of the main body 41, a plate-shaped second portion 48b fixed to the side plate 412b of the main body 41, and a side plate 412c of the main body 41. It has a fixed plate-shaped third portion 48c and a plate-shaped fourth portion 48d fixed to the side plate 412d of the main body 41. Further, each of the first portion 48a and the second portion 48b is formed with an opening 481 penetrating in the thickness direction thereof. As a result, the display unit 32 of the electronic device 3 faces one of the openings 481 in the stored state, so that the user can visually recognize the display unit 32 facing the opening 481 through the case 4. ..

Further, each of the first portion 48a to the fourth portion 48d has an inclined surface 482 inclined with respect to the insertion direction of the electronic device 3 with respect to the case 4 on the upper portion thereof, that is, on the opening 413 side. As a result, when the electronic device 3 is inserted (stored) into the case 4, the electronic device 3 is guided by each inclined surface 482, and the insertion can be smoothly performed. In this way, each inclined surface 482 functions as an introduction portion when the electronic device 3 is introduced into the case 4.

Further, the elastic modulus of the first portion 48a and the second portion 48b is the same, and the elastic modulus of the third portion 48c and the fourth portion 48d is the same. As a result, as shown in FIGS. 6 and 8, the connector portion 33 of the electronic device 3 can be guided toward the connector portion 43 of the case 4 regardless of the size of the electronic device 3 when the electronic device 3 is in the stored state. it can. Then, as shown in FIGS. 7 and 9, in the stored state, the position of the electronic device 3 is regulated to be constant regardless of the size of the electronic device 3, and therefore, the connector portion 33 of the electronic device 3 and the case 4 are used. The connection with the connector portion 43 of the above is maintained. In this way, the first portion 48a to the fourth portion 48d, that is, the shock absorber 44, functions as a guide portion for guiding the connector portion 33 of the electronic device 3 toward the connector portion 43 of the case 4, and is in a stored state. It functions as a regulation unit that regulates the position of the electronic device 3.

By the way, when the medical device 1 is used in surgery, it is necessary to sterilize the medical device 1 prior to its use. In this case, first, the insertion portion 2 and the case 4 are connected to be in the assembled state. At this time, the electronic device 3 is not yet stored in the case 4. Next, the lid portion 42 is closed, and the insertion portion 2 and the case 4 are sterilized. The sterilization treatment is not particularly limited, and examples thereof include autoclave sterilization (AC sterilization) and ethylene oxide gas sterilization (EOG sterilization). Next, the electronic device 3 is housed in the opened case 4, and then the case 4 is closed again. As a result, the filthy field (the inside of the case 4 and the electronic device 3) can be separated from the clean field, and the medical device 1 can be used as it is in the operation.

As described above, when the sterilization process is performed, the case 4 can be closed, and thus the electric parts such as the connector portion 43 in the case 4 can be protected from the sterilization environment. Further, by performing the sterilization treatment in the state where the electronic device 3 is not yet housed in the case 4, the electronic device 3 is prevented from being exposed to the sterilization environment, and thus the electronic device 3 which is an electric component is removed from the sterilization environment. Can be protected. As described above, in the medical device 1, for example, even when the electronic device 3 does not have a waterproof structure, the sterilization process can be performed quickly and easily.

<Second Embodiment>
FIG. 10 is a side view showing a second embodiment when the medical device of the present invention is applied to a muscle hook. FIG. 11 is a side view showing a state in which the connector portion of the case provided in the medical device is deformed from the state shown in FIG.
Hereinafter, the second embodiment of the medical device of the present invention will be described with reference to these figures, but the differences from the above-described embodiments will be mainly described, and the same matters will be omitted.
The present embodiment is the same as the first embodiment except that the configuration (shape) of the connector portion is different.

As shown in FIGS. 10 and 11, the connector portion 43 is made of a long body having flexibility, and can be curved and deformed in the middle in the longitudinal direction thereof. As a result, the posture of the electronic device 3 with respect to the insertion unit 2, that is, the orientation of the display unit 32 can be changed in the stored state. For example, when there is a user who performs an operation using the medical device 1 and an assistant who assists the operation, the assistant changes the direction of the display unit 32 to facilitate the user's visibility of the display unit 32. Can be made to.

The configuration of the connector portion 43 is not particularly limited, and may be, for example, a configuration having an elastic tube 432 and a plurality of cable terminals (not shown) arranged in the tube 432. Further, it is preferable that the tube 432 is embedded with, for example, a linear core material (not shown) made of a metal material. As a result, the connector portion 43 is rigid enough to maintain the deformed state when it is curved and deformed. In this case, for example, even if the assistant releases the medical device 1, the state in which the orientation of the display unit 32 is changed by the assistant is maintained.

<Third Embodiment>
FIG. 12 is an exploded perspective view showing a third embodiment when the medical device of the present invention is applied to a muscle hook.
Hereinafter, the second embodiment of the medical device of the present invention will be described with reference to this figure, but the differences from the above-described embodiments will be mainly described, and the same matters will be omitted.
The present embodiment is the same as the first embodiment except that the configuration of the smartphone is different.

As shown in FIG. 12, the smartphone 30 which is an electronic device 3 has display units 32 on both sides thereof. As a result, for example, when there is a user who performs an operation using the medical instrument 1 and an assistant who assists the operation, one of the images displayed on the two display units 32 in the stored state is displayed. Can be visually recognized by the user, and the other image can be visually recognized by the assistant.
Further, the electronic device 3 can perform a correction for inverting the left and right and a correction for inverting the top and bottom of the images displayed on the two display units 32. As a result, the state of the surgical field visually recognized through each image can be accurately grasped.

Although the medical device of the present invention has been described above with reference to the illustrated embodiment, the present invention is not limited to this, and each part constituting the medical device has an arbitrary configuration capable of exhibiting the same function. Can be replaced with. Moreover, an arbitrary composition may be added.
In addition, the medical device of the present invention may be a combination of any two or more configurations (features) of each of the above-described embodiments.

Further, the medical device of the present invention is applied to the muscle hook in each of the above embodiments, but is not limited to this, and can be applied to, for example, an endoscope, a laryngoscope, and the like.
Further, in each of the above-described embodiments, the medical device of the present invention is sterilized in a state where the electronic device is not stored in the case, but the present invention is not limited to this, and the sterilization treatment can be performed in the stored state.

Further, when the display unit of the electronic device has a touch panel function and the electronic device has an operation button in addition to the display unit, the case is configured so that the operation button can be pressed, for example, via a side plate. There is. Such a configuration is not particularly limited, and for example, it is preferable that the side plate is provided with a pressing portion for pressing the operation button.
Further, when the display unit of the electronic device is capable of displaying a three-dimensional image, the user can wear glasses for visually recognizing the three-dimensional image when using the medical device.

1 Medical equipment 2 Insertion part 21 Bending part 22 Groove 3 Electronic device 30 Smartphone 31 Control part 32 Display part 33 Connector part 4 Case 41 Main body part 411 Bottom plate 412 Side plate 412a Side plate 412b Side plate 412c Side plate 412d Side plate 4 13 Through hole 42 Part 43 Connector part 431 Connector housing 432 Tube 44 Cushioning part 45 Support part 46 Packing 47 Packing 48a 1st part 48b 2nd part 48c 3rd part 48d 4th part 481 Opening 11 Imaging part 111 CCD
112 Connector part 12 Irradiation part 121 Light emitting diode 122 Connector 13 Tube L ₂₁ Total length θ ₂₁ Bending angle

Claims (8)

An insertion part that has a long shape, has a bent or curved part from the middle of the tip side in the longitudinal direction, and is inserted into the living body.
An imaging unit that captures an image in the insertion direction of the insertion unit,
An irradiation unit that irradiates light in the insertion direction,
It has a display unit arranged on the base end side of the insertion unit and displaying an image captured by the imaging unit, and a control unit that controls the operation of the display unit, the imaging unit, and the irradiation unit. A case for accommodating the display unit, the imaging unit, and an electronic device for operating the irradiation unit is provided.
The case has a box-shaped main body and
A lid portion that is openably and closably supported by the main body portion, allows the electronic device to be taken in and out of the main body portion in the open state, and maintains airtightness between the main body portion and the main body portion in the closed state.
It is characterized by having a connector unit provided in the main body portion and electrically connecting the control unit, the imaging unit, and the irradiation unit in a stored state in which the electronic device is housed in the main body unit. Medical equipment to do. The medical device according to claim 1, wherein the sterilization treatment is performed in the closed state. The medical device according to claim 2, wherein the electronic device is not yet housed in the case when the sterilization treatment is performed. The medical device according to any one of claims 1 to 3, wherein the connector portion is arranged on the side opposite to the lid portion with respect to the main body portion. The medical device according to any one of claims 1 to 4, wherein the connector portion has flexibility. The medical device according to any one of claims 1 to 5, wherein the case has a regulatory unit that regulates the position of the electronic device in the stored state. The medical device according to any one of claims 1 to 6, wherein the case has a guide portion that guides a portion of the electronic device connected to the connector portion to the connector portion when the electronic device is in the stored state. The medical device according to any one of claims 1 to 7, wherein the total length of the bent portion is 100 mm or more.

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