JP7288125B2 - Connector device and medical electronic equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates to a connector device and medical electronic equipment, and more particularly to a medical electronic equipment that measures biological information such as an electrocardiogram using a body attachment part such as an electrode.

Conventionally, a Holter electrocardiograph as shown in Patent Document 1, for example, is known as a medical electronic device for acquiring biological information, specifically, an electrocardiogram, not only at rest but also during exercise and daily life. there is In the Holter electrocardiograph, electrodes connected to a portable electrocardiograph main body are attached to the body surface, and the electrocardiogram main body measures and records electrocardiograms continuously for a long period of time during daily life via the electrodes.

JP 2015-135774 A

By the way, as an electrode used in a Holter electrocardiograph, for example, a so-called disposable electrode is known that can be removed and discarded after measurement from a sanitary point of view.
This disposable electrode is formed by directly inserting the other end of a lead made of a flexible substrate with an electrode part mounted on one end from one side of the housing of the electrocardiograph main body, and inserting the lead into the electrocardiograph body. By connecting to the pattern and fixing it, it is connected to the main body of the electrocardiograph.
Since it is necessary to attach new electrodes to the electrocardiograph main unit when using it, the electrodes can be easily attached and detached by medical personnel, and during electrocardiogram measurement of subjects who are engaged in daily life. Therefore, it is desirable that the electrodes do not easily come off from the device body.
In addition, when the device is not in use, it is desirable that the part that connects to the electrode, that is, the part into which the other end of the lead is inserted on one side of the housing is protected so as not to be exposed to the outside. .

The present invention has been made in consideration of the above points. During measurement of biological information, the body-attached part connected to the device main body through the connector is difficult to come off, and when the body-attached part is removed, Provided are a connector device and medical electronic equipment capable of easily detaching a connector from a device body and protecting a connecting part of the device body to the connector after the connector is detached.

A connector device of the present invention comprises a device body having a connector mounting portion to which a connector is detachably attached;
a cover member detachably attached to the device body so as to cover the connector mounting portion when the connector is not mounted;
has
The device body has an engaged portion with which a part of the cover member can be engaged when the connector is attached,
When the connector is attached to the connector attachment portion, the engaging portion of the connector engages the engaged portion, and the engaged state of the engaging portion is such that the part of the cover member is engaged. It adopts a configuration in which it is released by engaging with the engaged portion.
A medical electronic device of the present invention comprises a device body having a connector mounting portion to which a connector is detachably attached;
a cover member detachably attached to the device body so as to cover the connector mounting portion when the connector is not mounted;
has
The device body has an engaged portion with which a part of the cover member can be engaged when the connector is attached,
When the connector is attached to the connector attachment portion, the engaging portion of the connector engages the engaged portion, and the engaged state of the engaging portion is such that the part of the cover member is engaged. It adopts a configuration in which it is released by engaging with the engaged portion.

According to the present invention, the body-attached part connected to the device body via the connector is difficult to come off during measurement of biological information, and when the body-attached part is to be removed, the connector can be easily removed from the device body and the connector is removed. It is possible to protect the connection part with the connector in the device main body after the is removed.

1 is an external perspective view of a medical electronic device according to an embodiment of the present invention; FIG. 1 is a plan view of a medical electronic device according to an embodiment of the invention; FIG. 1 is a front view of a medical electronic device according to an embodiment of the invention; FIG. 1 is a rear view of a medical electronic device according to an embodiment of the invention; FIG. 1 is a left side view of a medical electronic device according to an embodiment of the invention; FIG. 1 is a right side view of a medical electronic device according to an embodiment of the invention; FIG. FIG. 3 is a plan view of the medical electronic device according to the embodiment of the present invention in which the housing and the connector are disengaged. FIG. 8 is a cross-sectional view taken along line AA of FIG. 7; FIG. 4 is a diagram showing a connector removed from a housing in the medical electronic device according to the embodiment of the invention; It is a side view of the connector in which the battery was mounted. 1 is a perspective view of a single-use electrocardiogram electrode with a connector; FIG. 1 is a plan view of a single-use electrocardiogram electrode with a connector; FIG. FIG. 3 is a perspective view showing the main configuration of the connector; FIG. 4 is an external perspective view showing a device body protected by attaching a cover member. FIG. 4 is a plan view showing a device main body protected by attaching a cover member; It is a left view which shows the apparatus main body protected by attaching the cover member. It is a right view which shows the apparatus main body which attached the cover member and was protected. It is a front view of a cover member. It is a rear view of a cover member. FIG. 20A and FIG. 20B are diagrams of releasing the engagement state between the housing and the connector using the cover member in the medical electronic device. 21A to 21D are diagrams showing the operation of removing the engaging claw from the notch.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

A medical electronic device to which the present invention can be applied measures biometric information using a body attachment part. In this embodiment, the medical electronic device is a device that is used by connecting an electrocardiogram electrode as a living body attachment part to a device main body via a connector. The living body attachment unit may be of any type, such as a pulse oximeter, as long as it is attached to the subject and acquires the subject's biological information. In addition, the medical electronic device is preferably a portable electronic device, and in the present embodiment, as an example, it is described as being adapted to a Holter electrocardiograph, but the present invention is not limited to this. The medical electronic device according to the present invention may be configured in any way as long as it is a device to which a connector to be connected to a body attachment part is attached (attached).

1 to 6 are an external perspective view, a plan view, a front view, a rear view, a left side view, and a right side view of a medical electronic device according to an embodiment of the present invention. 7 is a plan view of the medical electronic device according to the embodiment of the present invention in which the housing and the connector are disengaged, and FIG. 8 is a cross-sectional view taken along the line AA of FIG. 9 is a diagram showing the connector removed from the housing in the medical electronic device according to the embodiment of the present invention, and FIG. 10 is a side view of the connector on which a battery is mounted.

Medical electronic device 1 as a Holter electrocardiograph of the present embodiment is used by attaching connector 20 from which electrode 30 is led out to device main body 10 from which cover member 80 (see FIG. 14) is removed. The connector 20 of the present embodiment is a connector with an electrode that is integrated with the electrode 30, and is configured as a single-use electrocardiogram electrode that is discarded after use, a so-called disposable electrode (see FIGS. 11 and 12). .

The battery that serves as the driving source of the medical electronic device 1 may be, for example, a button-type battery, and in particular, among the button-type batteries, a disk-shaped coin-shaped battery having a convex negative pole side may be used. The medical electronic device 1 of this embodiment is driven by a coin-type lithium battery.

Specifically, in the medical electronic device 1, by attaching the connector 20 in which the battery B is arranged to the device main body 10, power can be supplied from the battery B (see FIGS. 7 to 9) to the device main body 10, and power is supplied. The device main body 10 is configured to be driven. In this embodiment, the battery B is a single-use primary battery that is discarded together with the electrode 30 after use. You can use it.

The medical electronic device 1 shown in FIGS. 1 to 9 has a device main body 10, a connector 20 detachably attached to the device main body 10, a lock mechanism 50, and a cover member 80 (see FIG. 14).

<Equipment body 10>
In the present embodiment, the device main body 10 is connected to the connector 20 and measures an electrocardiogram as biometric information of the subject via the electrodes 30 as the body attachment part.
As shown in FIGS. 1 and 7 to 9, the device main body 10 has a housing 12 formed in the shape of a hollow rectangular flat plate. The housing 12 has an insertion port 132 (see FIG. 8) that is open on the one end surface 12a side and that is continuous with the housing portion 11 inside the housing 12 . Note that, in the present embodiment, the device main body 10 is configured to be compact so that it can be carried by the subject.

The connector 20 is attached to the device main body 10 in a state in which the battery accommodating portion 24 of the connector 20 is inserted into the insertion port 132 . In this embodiment, the insertion port 132 opens at the tip of the rectangular connector mounting portion 13 projecting from the one end surface 12 a of the device body 10 . The insertion port 132 is covered and closed by the connector body 22 of the connector 20 covering the connector mounting portion 13 . As a result, the device body 10 forms a rectangular flat plate (see FIGS. 1 and 2).

By attaching the connector 20, the device main body 10 can be powered by the battery B arranged in the connector 20, and is powered and driven.

As shown in FIG. 8 , the device body 10 has a housing portion 11 housing the battery housing portion 24 together with the battery B, and a circuit portion 17 connected to the battery B and the electrode 30 via the connector 20 . The accommodation portion 11 accommodates the battery accommodation portion 24 inserted through the insertion opening 132 . The circuit unit 17 is a circuit for performing an operation of acquiring an electrocardiogram. The circuit portion 17 is arranged inside the housing portion 11 . The circuit portion 17 includes a positive terminal connecting portion 172 connected to the positive terminal (pole Ba) of the battery B when the connector 20 is inserted, and a negative terminal connecting portion connected to the negative terminal (pole Bb) of the battery B. 174 and an electrode connection portion (terminal portion) 176 (see FIG. 7) connected to the terminal portion (base end portion) 32 on the proximal side of the electrode 30 .

In the housing portion 11 of the device main body 10 , the circuit portion 17 is provided with a positive terminal connection portion 172 and a negative terminal connection portion 174 extending toward the insertion port 132 side and inserted together with the battery housing portion 24 . Battery B can be connected. The electrode connection portion 176 is arranged adjacent to the housing area for housing the battery housing portion 24 in the housing portion 11 and protrudes from a portion adjacent to the insertion opening 132 in the connector mounting portion 13 .

Specifically, the positive terminal connection portion 172 is arranged to extend toward the front end side of the connector mounting portion 13 along the back surface of the front surface portion of the housing 12 inside the housing portion 11 . In the housing portion 11 inside the housing 12 , the contacts of the negative terminal connecting portion 174 are arranged so as to face the contacts of the positive terminal connecting portion 172 in the thickness direction of the housing 12 .

As a result, when the connector 20 is attached to the device main body 10 , the battery housing portion 24 inserted into the housing portion 11 through the insertion opening 132 is located between the positive terminal connection portion 172 and the negative terminal connection portion 174 . , and the battery B held by the battery containing portion 24 is sandwiched between the positive terminal connecting portion 172 and the negative terminal connecting portion 174 and comes into contact therewith. At the same time, that is, when the connector 20 is attached to the device body 10, the electrode connection portion 176 on the side of the device body 10 is covered with the connector 20 at a position adjacent to the region in which the battery housing portion 24 is housed. is electrically connected to the terminal portion 32 of the electrode 30 .

The circuit unit 17 includes a display unit 14, and an event key 15 and an enter key 16 as operation units for operating the medical electronic device 1, and the like. The display unit 14 is disposed with its display surface exposed to the outside on the surface of the housing 12, and mechanical switches such as the event key 15 and the enter key 16 are provided on the side wall surface and the front end wall surface of the housing 12, respectively. It is arranged so that it can be pressed freely. The display unit 14 displays measured values during actual measurement. In the present embodiment, the display unit 14 displays biological information measurement values that are started at the same time that the connector 20 is attached. The event key 15 marks biological information (electrocardiogram) during measurement. For example, when the subject feels uncomfortable during measurement, he or she presses the event key 15 to mark the electrocardiogram at the time when the subject feels uncomfortable. It should be noted that the event key 15 may change the display form or setting contents displayed on the display unit 14 . Also, the enter key 16 is used to display or store biometric information by, for example, confirming the display mode and setting contents selected by the event key 15 .

The lock mechanism 50 maintains the mounted state (mounted state) between the device body 10 and the connector 20 . The lock mechanism portion 50 has an engaging portion 52 provided on the connector 20 and an engaged portion 54 detachably engaged with the engaging portion 52 .

The engaged portion 54 engages with the engaging portion 52 of the connector 20 to connect the circuit portion 17 of the device body 10 to the battery B and the electrode 30 in a state where the connector 20 is attached to the device body 10 . hold the state. As a result, the medical electronic device 1 can be driven as an electrocardiograph. In this embodiment, the device body 10 is connected to the device body 10 so that power can be supplied from the battery B, and the battery B serves as a power supply for the circuit section 17 on the device main body 10 side, and the circuit section 17 measures the electrocardiogram of the subject via the electrodes 30 .

In this embodiment, the engaging portion 52 and the engaged portion 54 are engaged by inserting one of them into the other.

The engaged portion 54 includes a recessed cutout portion 541 provided in each of two opposing side wall portions of the opening peripheral portion surrounding the connector mounting portion 13 having the insertion opening 132 , and a window portion 542 in the cutout portion 541 . have In the present embodiment, the engaged portion 54 is provided on each short side wall portion of the rectangular opening peripheral portion surrounding the connector mounting portion 13 .
The engaged portion 54 is releasably engaged with the engaging portion 52 (engaging claw portion 522) of the connector 20 inserted therein. Specifically, the notch 541 of the engaged portion 54 engages the engaging portion 52 of the connector 20 inside the notch 541 when the connector is attached to the connector attachment portion 13 of the device body 10 . The claw portion 522 engages while being exposed to the outside.

The notch portion 541 is formed on the outer surface of the housing 12 so as to extend so as to intersect the opening direction of the insertion port 132 , that is, the mounting direction (mounting direction) of the connector 20 . An arm portion 86 that is a part of the cover member 80 (see FIGS. 14 to 20) can be inserted into the notch portion 541 when the connector 10 is attached.

In the present embodiment, the notch 541 is formed in a concave shape that opens laterally and upward (surface side) at the end on the one end surface 12a side of both side walls of the device body 10 . The notch 541 connects the inside and outside of the housing 12 through the window 542 . Note that the notch portion 541 may be formed in a concave shape that is open laterally and vertically (front side and back side). Moreover, the direction in which the notch 541 extends in both side wall portions of the device body 10 may be any direction, and in this embodiment, the direction in which the notch 541 extends is perpendicular to the mounting direction of the connector 20 .

The window portion 542 is provided inside the recessed notch portion 541 and communicates the inside of the notch portion 541 with the inside of the insertion port 132 .
The engaging claw portion 522 serving as the engaging portion 52 of the connector 20 is inserted into the window portion 542, and the inserted engaging claw portion 522 is elastically deformed in a direction intersecting the insertion direction to cause the window portion 542 (specifically, , it engages with the frame portion 543) on the opening side of the window portion 542). As a result, movement in the direction in which the device body 10 and the connector 20 are separated from each other, that is, the direction in which the connector 20 is removed from the device body 10 (the arrow direction in FIG. 5) is restricted.

The windows 542 are provided on both side walls of the housing 12 on the side of the end face 12a having the insertion opening 132. Therefore, the engaging claws 522 that engage with the windows 542 have the cutouts 541. Both sides of the device main body 10 are exposed to the outside. That is, the engaging claw portion 522 of the connector 20 protrudes from the center side through the window portion 542 in a direction perpendicular to the insertion direction and engages with the window portion 542 , so that the connector 20 is engaged with the device main body 10 . , the attached state between the connector 20 and the device body 10 is reliably maintained.

<Connector 20>
The connector 20 is provided at the proximal end of the electrode 30 and accommodates the battery B in this embodiment. The connector 20 connects the electrode 30 to the device body 10 (specifically, the circuit section 17 in the device body 10) by being attached to the device body 10, and connects the medical electronic device from the battery B to the device body 10. 1 is electrically connected so that it can be driven by supplying power to the electrocardiograph. Further, the connector 20 is watertightly attached to the device main body 10 in this embodiment.

The connector 20 has a connector main body 22 , a guide portion 23 , a battery housing portion 24 , a short-circuit preventing portion 26 , a terminal portion 32 of the electrode 30 , an engaging portion 52 , a channel indicating portion 61 and a waterproof member 70 .

In the present embodiment, the connector main body 22 is a rectangular case-like body that opens in the mounting direction, and in the rectangular case-like body, the battery containing portion 24 and the terminal portion 32 are spaced apart from the peripheral wall portion in the opening direction. It is provided protruding. The opening edge 222 of the connector main body 22 , the battery housing section 24 and the terminal section 32 function as a fitting section that is fitted on the one end surface 12 a side of the device main body 10 .

The connector main body 22 is provided with engaging portions 52 on both side wall portions that are flush with both side wall portions of the device main body 10 when the connector 20 is attached to the device main body 10 . Further, the connector main body 22 is provided with a plate-shaped guide portion 23 protruding from the bottom side of the opening edge portion 222 .

The engaging portion 52 is provided so as to protrude from the opening edge portion 222 in the mounting direction with respect to the device body 10, and has an engaging claw portion 522 at the tip portion.

In this embodiment, the engaging portion 52 is formed as a projecting piece that is inserted into the device body 10 along the inside of both side walls of the housing 12 of the device body 10 . The engaging claw portions 522 are provided so as to protrude to both sides of each of the engaging portions 52 .

In the present embodiment, the engaging claw portion 522 is inserted into the inside of the device main body 10 , that is, into the housing 12 while being elastically deformed, and engages with the window portion 542 from the inside of the housing 12 . .

The guide portion 23 functions as a guide when attaching the connector main body 22 to the device main body 10 . Specifically, the guide portion 23 is arranged along the outside of the bottom surface of the device main body 10 . The guide portion 23 slides on the bottom surface of the device body 10 when the connector 20 is attached to the device body 10 and guides the connector 20 to the device body 10 so that the connector 20 can be smoothly attached to the device body 10 .
Further, the guide portion 23 guides the engagement between the engaged portion 54 and the engaging portion 52 due to the relative movement of the device body 10 and the connector 20 in the mounting direction.

The waterproof member 70 is arranged on the opening edge 222 so as to surround the opening of the connector 20 .
When the connector 20 is attached to the device main body 10, the waterproof member 70 is sandwiched between the opening edge of the device main body 10 (the opening edge of the one end face 12a) and the opening edge 222 of the connector 20 and deforms. are watertightly joined.

The waterproof member 70 is formed of an annular elastic body. The waterproof member 70 is made of an elastic material such as resin having flexibility.

In this embodiment, the waterproof member 70 is arranged over the entire surface of the opening edge 222 of the connector main body 22 in the connector 20 .

Specifically, as shown in FIGS. 9 and 13 , the waterproof member 70 includes a rectangular frame-shaped portion 72 surrounding the connector mounting portion 13 having the insertion opening 132 , and a rectangular frame-shaped portion 72 extending from the corners of the frame-shaped portion 72 . and a protruding piece portion 74 protruding toward the end.
The frame-shaped portion 72 is arranged on the opening edge portion 222 so as to surround the opening of the connector main body 22 , and when the connector 20 is attached to the device main body 10 , the battery is accommodated around the connector mounting portion 13 , that is, inside. The surroundings of the insertion opening 132 into which the portion 24 is inserted and the connection portion between the electrode connection portion 176 and the terminal portion 32 are waterproofed.

The frame-shaped portion 72 is stepped so that the inner peripheral portion 722 protrudes from the outer peripheral portion 724 . When the connector 20 is attached to the device main body 10, the inner peripheral portion 722 is pressed against both sides and is deformed so as to escape to the step portion with the outer peripheral portion 724, thereby making the device main body 10 and the connector 20 more watertight. It is made to be in close contact with the body to improve waterproofness.

The projecting pieces 74 are arranged on the opening edge 222 so as to sandwich the engaging portion 52 in the thickness direction (vertical direction). ) (the mounting direction of the connector 20), it is sandwiched between the housing 12 and the connector main body 22 and deformed. As a result, the housing 12 and the connector main body 22 can be brought into tighter watertight contact over the entire surfaces of the portions that contact each other at positions perpendicular to the mounting direction.

As a result, the interior of the medical electronic device 1 surrounded by the opening edge 222 is watertightly closed and completely sealed.

The battery housing part 24 is connected to the device main body 10 so that power can be supplied from the battery B to the device main body 10 when the connector 20 is attached to the device main body 10 .
In the present embodiment, the battery housing portion 24 holds the batteries B in a state in which the polarities of the batteries B are arranged on the surfaces along the mounting direction of the connector. In this embodiment, as shown in FIGS. 8 to 10 and 13, the battery housing portion 24 is formed from the back surface of the connector body 22 (in this embodiment, the surface from which the electrodes 30 are led out). It has a concave tray portion 242 that protrudes in the mounting direction and is recessed on the upper side. The battery B is placed on the tray portion 242 above the tray portion 242, that is, on the surface side of the device main body 10 in this embodiment. The tray portion 242 is provided with a short-circuit preventing portion 26 .

When the battery accommodating portion 24 is inserted into the accommodating portion 11 in the device main body 10 through the insertion port 132 of the device main body 10, the poles Ba and Bb of the batteries B to be accommodated are aligned with the corresponding device main body 10 side. are configured to be connected to the terminals of the positive poles (the positive terminal connecting portion 172 and the negative terminal connecting portion 174).

In the present embodiment, when the battery B is placed correctly, that is, when the battery B is housed in the battery housing portion 24 with the poles of the battery B facing the correct direction, the battery housing portion 24 is configured to hold the battery. It is formed so that it can be smoothly inserted into the insertion port 132 together with B in the mounting direction. In the present embodiment, the battery B is arranged substantially parallel to the mounting direction in the tray portion 242 with the convex pole Bb of the battery B facing toward the bottom surface. The tray portion 242 is formed in a recessed shape recessed toward the bottom surface so that the convex pole Bb of the battery B can be fitted therein.
In addition, in the present embodiment, a step 27 is provided at the edge of the base end of the tray portion 242 so as to be higher than the central side. The battery B on the tray portion 242 is inserted on the tray portion 242 from the distal end side of the tray portion 242 (the portion serving as the distal end when being inserted into the insertion port 132) toward the proximal end side, and the battery B is inserted into the tray portion 242 toward the proximal end side. It is smoothly placed on the tray portion 242 by the edge portion on the end side being placed on the step 27 and engaging therewith.
When the battery B is placed on the tray portion 242 with the convex pole Bb of the battery B directed toward the bottom surface of the tray portion 242 , the edge portion of the battery is inserted onto the step 27 . engage. Further, when the battery B is placed with the pole Ba on the opposite side of the pole Bb facing the bottom surface of the tray portion 242, the step 27 abuts on the edge of the battery B, thereby The battery B cannot be smoothly placed in the portion 242 , that is, the battery B cannot be smoothly accommodated in the battery accommodating portion 24 . In this manner, in the tray portion 242, the concave portion formed corresponding to the shape of the battery and the step 27 function as a reverse insertion prevention portion for the battery B, which enables the battery B to be accommodated in the correct orientation (orientation). do.

A pole notch 246 is formed at the tip of the tray 242, that is, at the center of the free end. The pole notch 246 exposes one pole of the battery B on the tray 242 , which is the negative pole Bb in this embodiment, below the tray 242 .

When housed inside the device body 10 , the battery housing portion 24 is arranged between the positive terminal connection portion 172 and the negative terminal connection portion 174 , and the negative terminal connection portion 174 is arranged in the pole notch portion 246 . be done.

When the connector 20 containing the battery B is attached to the device main body 10, the short-circuit prevention part 26 correctly connects the pole Ba (Bb) of the battery B and the terminal connection part 172 (174) of the device main body 10, Avoid short circuits. In the present embodiment, the short-circuit preventing portion 26 prevents the connection between the pole Ba of the battery B and the negative terminal connecting portion 174 that does not correspond to the pole Ba when the battery accommodating portion 24 is inserted into the insertion port 132 . is provided.

The short-circuit preventing portion 26 is arranged so as to partition the pole notch 246 at the edge of the tip side of the tray portion 242 at the center portion in the width direction of the edge portion of the tip side of the tray portion 242 . Further, the short-circuit preventing portion 26 is formed in a rib-like shape protruding toward the surface side (upper side, in the present embodiment, the positive electrode side) of the battery B to be accommodated. The short-circuit preventing portion 26 is arranged to cover the surface-side pole of the battery B housed in the battery housing portion 24 (the outer peripheral surface that becomes a positive pole together with the surface of the battery B) from the tip side.

Further, the connector 20 has a connector attachment confirmation portion 29 for identifying that the connector 20 is attached to the device body 10 when the connector 20 is fitted and attached to the device body 10 .

In the present embodiment, the connector attachment confirmation portion 29 is a projection that protrudes in the insertion direction at a portion of the connector 20 attached to the device main body 10 , for example, at the tip of the battery housing portion 24 . When the protrusion contacts a mounting switch section (not shown) on the board side provided corresponding to the protrusion, a signal indicating mounting of the connector 20 to the device main body 10 is output in the circuit section 17, and the mounting of the electrode 30 is completed. is confirmed.

The terminal portion 32 of the electrode 30 is electrically connected to the electrode connection portion 176 when the connector 20 is attached to the device body 10 , and connects the electrode 30 to the device body 10 .
In the connector main body 22, the terminal portion 32 is arranged in the frontage direction, which is the longitudinal direction of the insertion opening 132, that is, in the width direction of the housing 12, with respect to the battery housing portion 24. is provided.

In the present embodiment, the terminal portion 32 is arranged in a rectangular block-shaped connection block 28 provided adjacent to the battery housing portion 24 in the lateral direction, and is exposed on the opening side of the opening edge portion 222 . . In this embodiment, the connection block 28 protrudes in the connector body 22 so as to have the same length as the length of the peripheral wall portion from the back surface to the opening edge 222 . The terminal portion 32 is arranged in a plurality of holes provided on the protruding end surface of the connection block 28, and is an electrode connection portion 176 on the connector 20 side and is inserted with a pin-shaped terminal biased to move forward and backward in the axial direction. By doing so, it is possible to electrically connect with the pin-like terminal. Note that the terminal portion 32 and the electrode connection portion 176 may be configured in any manner as long as they are electrically connected when the connector 20 is attached to the device body 10 . The terminal portion 32 may be a pin-shaped terminal, and the electrode connection portion 176 may be a cylindrical terminal that fits onto the terminal portion 32 which is a pin-shaped terminal.

The channel instruction unit 61 shown in FIGS. 9 and 13 instructs the device body 10 on the number of electrocardiogram channels to be acquired by the medical electronic device 1 when the connector 20 is attached to the device body 10 .

In the present embodiment, the channel indicator 61 is a rod-shaped body that protrudes into the insertion port 132 and is configured to be detachable. The number of channels to be indicated can be changed depending on the presence or absence of the bar. In the present embodiment, the circuit portion 17 on the side of the device body 10 is pressed by the channel indicating portion 61 when the battery housing portion 24 is inserted through the insertion port 132, thereby opening the channel of the electrode 30 to be measured. It has a switch (not shown) for switching to a circuit for acquiring biological information (electrocardiogram) with two channels. When this switch is not pressed by the channel indicator 61, biometric information is measured with a different number of channels than when it is pressed, and in this embodiment, biometric information is measured with three channels. ing.

That is, by eliminating the channel designating section 61 on the connector 20 side, the circuit section 17 uses the electrodes 30 to measure biological information (electrocardiogram) in three channels. On the other hand, if the connector 20 has a channel designating section 61, the channel designating section 61 presses the switch on the board, and the board measures biological information (mainly electrocardiograph) in two channels using the electrodes 30. change to

11 and 12, the electrode 30 provided with the connector 20 in the present embodiment is an electrode with a connector integrated with the connector 20, and as described above, can be discarded together with the connector 20 after use. It is a disposable electrode.

The electrode 30 is fixed together with the connector 20 to the mounting surface portion 30a having the adhesive portion and the liner via the separator at the branch portion 33 on the terminal portion 32 (see FIG. 11) side. An induction lead portion 36 is branched from the branch portion 33 , and an electrode portion 34 is connected to the tip of each induction lead portion 36 . The electrode part 34 is provided on a mounting surface part 30b having an adhesive part and a liner with a separator interposed therebetween. The portion 34 is attached to the subject. It should be noted that the electrodes 30 of the present embodiment can change the number of channels at the time of measuring biological information by changing the mounting position of the electrode section 34 .

<Cover member 80 of medical electronic device 1>
14 to 19 are diagrams showing the device main body 10 protected by removing the connector 20 and attaching the cover member 80 in the medical electronic device 1. FIG. 14 to 17 are an external perspective view, a plan view, a front view, a left side view, and a right side view showing the device main body 10 protected by attaching the cover member 80. FIG. 18 and 19 are front and rear views of the cover member 80, and FIGS. 20A and 20B show engagement between the housing 12 and the connector 20 using the cover member 80 in the medical electronic device 1. It is a figure which cancel|releases a state. 21A to 21D are diagrams showing the withdrawal operation of the engaging claw portion 522 from the notch portion 541. FIG.

The cover member 80 has the function of covering the connector mounting portion 13 including the insertion opening 132 of the device body 10 when the connector is not mounted, and the function of separating the connector 20 shown in FIGS. 1 to 13 from the device body 10 .

The cover member 80 shown in FIGS. 14 to 19 is detachably attached to the device main body 10 so as to cover the connector mounting portion 13 (especially the insertion port 132), and covers and protects the connector mounting portion 13, thereby protecting the device main body 10. can be made storable. In the present embodiment, the cover member 80 is continuous with the electrode connection portion (terminal portion) 176 connected to the terminal portion 32 of the electrode 30 and the housing portion 11 in the device main body 10, and the battery housing portion 24 is It covers and protects both the insertion port 132 to be inserted.

The cover member 80 is provided with a cover body 82 that covers the insertion port 132, and protrudes from both sides of the cover body 82 on the side of the opening 84 in the mounting direction to the device body 10, and partially covers both sides of the device body 10. and an arm portion 86 arranged to cover.

The cover main body 82 has a case-like shape with an opening 84 that opens to one side, and the connector mounting portion 13 (see FIG. 7) on the one end surface 12a side of the device main body 10 is inserted into the opening 84 .
In this embodiment, the cover body 82 is detachably fitted to the connector mounting portion 13 inserted into the opening 84 . When the connector mounting portion 13 is inserted into the opening 84 and is fitted with the connector mounting portion 13, the cover main body 82 has an opening edge portion 822 (see FIGS. 16 to 18) surrounding the opening portion 84 to cover the device body 10. It abuts against the one end surface 12a and restricts movement in the insertion direction. Inside the opening 84, as shown in FIG. 18, ribs 824 protrude from both laterally spaced side walls of a peripheral wall portion that surrounds the opening portion 84 and has a rectangular shape in a front view. Retaining ridges 826 are provided. These ribs 824 and ridges 826 are engaged with the outer surface of the connector mounting portion 13 that is inserted into the opening 84, and are in a detachable fitted state. In FIG. 18 , the housing 12 of the device main body 10 in a state of being fitted to the cover member 80 is indicated by broken lines.

The arm portion 86 has a function of removing the connector 20 attached to the device body 10 , that is, the electrode 30 connected to the device body 10 . The arm portion 86 is formed to be insertable into the notch portion 541 and can be arranged so as to be fitted in the notch portion 541 .
The arm portion 86 has a function of releasing the engagement state between the window portion 542 and the engaging claw portion 522 by being inserted into the notch portion 541 and moving along the inside of the notch portion 541 . Also, the arm portion 86 is provided so as to protrude from the cover main body 82 . In this embodiment, the arm portions 86 are formed so as to protrude in the opening direction from the corner portions spaced apart in the longitudinal direction of the opening portion 84 of the cover member 80 .

In the arm portion 86, at least the tip portion is a corner portion (the corner portion 12b consisting of the bottom surface and both side portions of the one end surface 12a, which is separated in the longitudinal direction) on the side of the one end surface 12a (see FIGS. 7 and 8) of the device main body 10. 12c) are formed to have an L-shaped cross section.

Since the arm portion 86 is formed to have an L-shaped cross section so as to cover the corner portions 12b and 12c of the device main body 10, it serves as a guide when the cover member 80 is attached to the connector attachment portion 13. In addition, the arm portion 86 and the corner portions 12b and 12c are configured to engage in two directions perpendicular to the mounting direction, and the one end surface 12a of the device main body 10 and the opening portion 84 of the cover main body 82 are configured to engage with each other. It may be held in contact with the edge 822 . In this case, the insertion port 132 is accommodated in the cover main body 82 together with the connector mounting portion 13 and supported in a protected state. The engagement between the cover member 80 and the device main body 10 by the arm portion 86 can be released only by moving the cover member 80 away from the device main body 10 in the removal direction.

In the present embodiment, each arm portion 86 is L-shaped as a whole with one side portion 862 and the other side portion 864 extending in the opening direction of the connector main body 22 . The length between the other side portions 864 located so as to sandwich both sides of the device body 10 corresponds to the width of the housing 12 . Further, the width (horizontal length) of the one surface portion 862 covering the bottom side of the device body 10 is substantially the same as or the same length as the depth (horizontal length) of the notch portion 541, A tip portion of the one-surface portion 862 is formed so as to be insertable into the notch portion 541 .

One surface portions 862 of the arm portions 86 on both sides have pressing portions 863 inclined so as to approach each other from the distal end side to the proximal end side (see FIG. 21).

With this configuration, for example, as shown in FIG. One side portion 862 of 86 is inserted into notch portion 541 from a direction perpendicular to the mounting direction of connector 20 (here, the surface side). Note that FIG. 21A shows a state before the first surface portion 862 is inserted into the notch portion 541 . Further, when inserting the one surface portion 862 into the notch portion 541 , the other surface portion 864 functions as a guide when inserting the one surface portion 862 into the notch portion 541 . Then, the one surface portion 862 engages with the window portion 542 of the device main body 10 and pushes the engaging claw portion 522 protruding through the window portion 542 into the notch portion 541 from the window portion 542 of the housing 12 . Press inward.

That is, as the one-surface portion 862 inserted into the notch portion 541 is inserted, the pressing portion 863 pushes the engaging claw portion 522 in the notch portion 541 to the inside of the housing 12, that is, as shown in FIG. The window portion 542 is pressed in a direction away from the frame portion 543 .

Then, the arm portion 86 is in a state in which the one-surface portion 862 is inserted into the notch portion 541 (see FIG. 20B). At this time, as shown in FIG. 21C , the one-surface portion 862 presses the engaging claw portion 522 in a direction away from the frame portion 543 of the window portion 542 to deform the engaging claw portion 522 from within the notch portion 541 . It is displaced in a direction away from the portion 541 and the window portion 542 . At this time, the connector 20 moves in the direction of being removed from the device main body 10 as the engaging claw portion 522 is deformed. The engaging claw portion 522 is elastically deformed, displaced inward of the device body 10 , disengaged from the window portion 542 , and the connector 20 itself can be detached from the device body 10 .

As described above, in the present embodiment, when the connector 20 is attached to the connector attachment portion 13, the engaging portion 52 (engaging claw portion 522) of the connector 20 engages the inside of the notch portion 541. The engagement state of the engagement portion 52 (engagement claw portion 522 ) is released by inserting the arm portion 86 of the cover member 80 into the notch portion 541 .

In the medical electronic device 1, the device main body 10 and the connector 20 provided on the electrode 30 are connected by engagement with the engaging claw portion 522 on the connector 20 side located in the notch portion 541 of the device main body 10. state is maintained.
In this state, the subject is using the medical electronic device 1 normally, and the engaging claw portion 522 that engages with the window portion 542 is positioned within the notch portion 541 . In this state, the subject cannot remove the engaging claw portion 522 from the window portion 542 unless a jig that can be inserted into the notch portion 541 is separately prepared. This prevents the connector 20 from being detached from the device body 10 , that is, the electrode 30 from being detached from the device body 10 during use of the medical electronic device 1 .

However, as described above, by using the cover member 80 , the connector 20 , that is, the electrode 30 can be easily removed from the device main body 10 .
Therefore, the medical electronic device 1 uses the connector 20 (the electrode 30) that is difficult to come off from the device main body 10 during use, and the cover member 80 after the medical electronic device 1 is used. It can be easily removed, another new electrode can be easily attached to the device main body 10, and a new electrocardiogram measurement can be started. Therefore, the electrocardiogram measurement of another subject can be stably started immediately.

Also, the connector mounting portion 13 of the one end surface 12a including the insertion opening 132 of the device main body 10 from which the electrode 30 is removed can be covered with the cover member 80 .
That is, when the device main body 10 is not used after the electrodes 30 are connected to the device main body 10 via the connector 20 and used as an electrocardiograph, the cover member 80 is used to connect the connector 20 connected to the device main body 10 to the device main body. By removing the cover member 80 itself from the connector 10 and fitting the cover member 80 itself into the connector mounting portion 13 , the connection portion of the device main body 10 with the connector 20 (electrode 30 ) can be protected.

As described above, according to the medical electronic device 1 of the present embodiment, the electrode 30 connected to the device main body 10 is difficult to come off during measurement of biological information, and the electrode 30 can be removed from the device main body 10. It is possible to easily remove the electrode 30 and easily protect the connection part with the electrode 30 after the electrode 30 is removed in the device main body 10 .

In the present embodiment, the Holter electrocardiograph is described as an example of the medical electronic device, but the present invention is not limited to this, and the body surface of the subject, that is, the biological information is measured by wearing it on the body surface of the subject. It can be applied to any device as long as it does. For example, it may be applied to telemeters, pulse oximeters, and the like.

The embodiments of the present invention have been described above. It should be noted that the above description is an illustration of preferred embodiments of the present invention, and the scope of the present invention is not limited thereto. In other words, the description of the configuration of the apparatus and the shape of each part is an example, and it is clear that various modifications and additions to these examples are possible within the scope of the present invention.

In the medical electronic device according to the present invention, the electrodes connected to the device main body are difficult to come off during measurement of biological information, and when removing the electrodes, the electrodes can be easily removed from the device main body, and after the electrodes have been removed, It has the effect of protecting the connection part with the electrode in the device body, and is useful as, for example, a Holter electrocardiograph.

Reference Signs List 1 medical electronic device 10 device main body 11 housing portion 12 housing 12a one end face 12b, 12c corner portion 13 connector mounting portion 132 insertion port 14 display portion 15 event key 16 enter key 17 circuit portion (measurement portion)
20 connector 22 connector main body 23 guide part 24 battery housing part 26 short-circuit prevention part 27 step 28 connection block 29 connector mounting confirmation part 30 electrode 30a mounting surface part 30b mounting surface part 32 terminal part (connecting part)
33 branching part 34 electrode part 36 lead lead part 50 locking mechanism part 52 engaging part 54 engaged part 61 channel indicating part 70 waterproof member 72 frame-shaped part 74 projecting piece part 80 cover member 82 cover main body 84 opening part 86 arm part (part of cover member)
172 positive terminal connecting portion 174 negative terminal connecting portion 176 electrode connecting portion 222, 822 opening edge portion 242 tray portion 246 pole notch portion 522 engaging claw portion 541 notch portion 542 window portion 543 frame portion 722 inner peripheral portion 724 outer peripheral portion 824 Rib 826 Protruding portion 862 One surface portion 863 Pressing portion 864 Other surface portion B Battery

Claims (2)

a device body having a connector mounting portion to which a connector is detachably attached;
a cover member detachably attached to the device body so as to cover the connector mounting portion when the connector is not mounted;
has
The device body has an engaged portion with which a part of the cover member can be engaged when the connector is attached,
When the connector is attached to the connector attachment portion, the engaging portion of the connector engages the engaged portion, and the engaged state of the engaging portion is such that the part of the cover member is engaged. Released by engaging with the engaged portion,
connector device. a device body having a connector mounting portion to which a connector is detachably attached;
a cover member detachably attached to the device body so as to cover the connector mounting portion when the connector is not mounted;
has
The device body has an engaged portion with which a part of the cover member can be engaged when the connector is attached,
When the connector is attached to the connector attachment portion, the engaging portion of the connector engages the engaged portion, and the engaged state of the engaging portion is such that the part of the cover member is engaged. Released by engaging with the engaged portion,
medical electronics.

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