JP3118271B2 - Electric therapy equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrotherapy device for applying electric stimulation to muscles of a human body to relieve atrophy of the muscles in the muscles.

[0002]

2. Description of the Related Art Conventionally, an electrotherapy device is provided with a main body for generating an electric signal, and a conductor 51 for passing an electric current from the main body through a cord 50. The atrophy of the muscle is brought about by bringing the conductor 51 into contact with the human body. There is something to unravel. In this type of electrotherapy device, when accommodating the cord 50 and the conductor 51, the surface of the adhesive pad 52 of the two conductors 51 is slightly larger than the conductor 51 as shown in FIGS. Paste on 53,
A method was employed in which the cord 50 was wound around the outer periphery of the main body and housed separately from the main body.

However, in use, the code 50
Because the length of the cord 50 cannot be adjusted, there is a problem that the cord 50 is too long and obstructs use.

Further, when the cord 50 and the conductor 51 are stored, when the cord 50 is wound around the conductor 51 attached to the storage plate 53, the cord 50 becomes difficult to wind because the cord 50 becomes entangled with the main body of the electrotherapy device. In addition, there is a problem that the storage volume must be increased when storing.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides an electrotherapy device which is easy to use at the time of use and easy to store even at the time of storing the cord and the lead. The task is to provide.

[0006]

SUMMARY OF THE INVENTION According to the present invention, there is provided a main body for generating an electric signal, a conductor capable of passing an electric current to a human body through a cord, and the cord is wound and stored, and the cord is always wound. Direction, a ratchet claw formed on the outer periphery of the drum, and a direction constantly engaged with the ratchet claw, whereby the drum can be rotated only in the pull-out direction of the cord. And a means for releasing the engagement between the stopper and the ratchet pawl, wherein the drum and the stopper constitute one cord storage unit, and the cord storage unit is detachable from the main body. Wherein the main body and the cord are electrically connected when mounted on the main body.

In addition, the conductor is attached to both sides of a storage plate so that the conductor can be stored in a space formed in the main body.

[0008]

[0009]

When the electric therapy device is used, the guide is pulled out from the main body, the guide is attached to the affected part of the human body, and the muscle of the affected part is loosened by an electric signal from the main body. To adjust the length of the cord connecting the main body and the lead, pull out the cord wound on the drum inside the main body to the desired length, and the stopper engages the ratchet claw and the cord is wound up. The length of the cord can be kept constant. In order to shorten the length of the cord, the engagement between the ratchet claw and the drum is released, and the drum is rotated to take up the cord.

When the use is finished, the guide is removed from the human body, the guide is attached to both sides of the storage plate, and the stopper is disengaged from the ratchet pawl to urge the drum. The drum is rotated by force to wind the cord around the drum, and the lead is stored in the main body.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail by taking a low-frequency treatment device as an example.

Reference numeral 1 denotes a main body of a low-frequency treatment device having a built-in circuit board 12 which can generate a low-frequency pulse, which will be described later. A speed control knob 2 for switching the cycle of the low-frequency pulse is provided on the surface of the main body 1. A mode knob 3 for changing the frequency pulse generation pattern is provided. Further, on the side surface of the main body 1, switching of the intensity of the low frequency pulse and a power switch are integrated, and a portion protruding from the main body is rotated. There is provided a changeover switch 4 which can switch the strength by performing the operation. Reference numeral 5 denotes a display window for displaying the intensity of the low frequency pulse. Further, the main body 1 has a concave portion 6 for accommodating a cord accommodating unit 13 described later on a back surface,
A hole 40 for projecting a part of a cord storage unit described later is formed.

Reference numeral 7 denotes a cord for transmitting a low-frequency pulse generated from the main body 1. A lead 8 for supplying a low-frequency pulse to a human body is provided at the end of the code 7, and the human body of the conductor 8 An adhesive pad 9 having an adhesive property and having a conductive property is detachably attached to a portion to be attached.

Reference numeral 10 denotes a space provided above the main body 1 and in which the conductor 8 can be stored. The space 10 can be turned by using a part of the main body 1 as a lid 11 and pivoting on the upper portion of the main body 1 as a fulcrum. It is configured in. Reference numeral 12 denotes a circuit board for generating a low-frequency pulse. Reference numeral 13 denotes a cord storage unit that winds and stores the cord 7. The code storage unit 13 and the circuit board 12 are electrically connected as described later. ing. 14
Reference numeral 15 denotes a battery housed in a space provided below the main body 1, and 15 denotes a battery cover for housing the battery 14 in the main body 1 flush with the back surface of the main body 1.

Next, the cord storage unit 13 will be described.

A storage unit case 16 is housed in the main body 1 and includes upper and lower cases 30, 31. A cylindrical, rotatable drum 17 for winding the cord 7 is housed in the storage unit case 16. The central portion of the drum 17 is smaller than the outer diameters of the upper surface 38 and the lower surface 39, so that the cord 7 can be wound up and stored in the central portion. The drum 17 is urged by a spiral spring (not shown) provided at the center of the drum 17 in a direction in which the cord 7 is wound, and a ratchet claw 18 provided on an outer periphery of a lower surface 39 of the drum 17 is provided. The rotation of the drum 17 in the take-up direction is prevented by engaging the stopper 19 with the roller. The stopper 19 is urged by a stopper spring 20 in a direction in which the stopper 19 engages with the ratchet pawl 18 so that the stopper 19 rotates about one point. Then, the stopper 19 is inserted from the outside of the main body 1 through the notch portions 32 and 33 provided in the storage unit case 16 and the main body 1 respectively.
An operation knob 21 is provided so that an operation of disengaging the ratchet claw 18 from the ratchet claw 18 can be performed. On the upper surface of the drum 17, two drum terminals 22 and 37 of the cord 7 having different polarities are provided.

Numeral 23 is provided on the circuit board 12 and is located below the hole 24 formed in the concave portion 6 and has a different polarity.
The first pin 23 contacts the two second pins 25 provided in the storage unit 13 by storing the code storage unit 13 in the recess 6. The second pin 25 is a spring 34
And is electrically connected to the concentric conductors 35 and 36 of the double-sided board 26, and the conductors 35 and 36 are electrically connected to the drum terminals 22 and 37, respectively. By contact, the second pin 25 is connected to the drum terminals 22, 37.
Will be in electrical contact with With such a configuration,
When the circuit board 12 is energized, the first pin 23, the second pin
A current can flow to the cord 7 through the pins 25 and the double-sided board 26.

Reference numeral 27 denotes a cord drawing hole provided in the storage unit case 16. The code drawing hole 27 is used to pull out the lead 8 stored in the space 10 provided above the main body 1. As shown in FIG. 5, one of the storage unit cases can be smoothly pulled out.
The hole provided in 31 is curved and formed into a fan shape so that the cord 7 is guided. The cord storage unit
By making the shape of the cord 13 described above, the cord 7 can be wound up linearly at the time of winding, and the life of the cord 7 can be extended.

Reference numeral 28 denotes a storage plate for storing the conductor 8, and the adhesive pads 9 of the conductor 8 are attached to both surfaces of the storage plate, and the conductor 8 is stored in the main body 1. At this time, the storage plate 28 can be stored obliquely in the space 10 as shown in FIG. The storage method at this time is that ribs having different heights on the inner wall on the left and right of the space 10 (not shown)
This is performed by placing the storage plate 28 on the ribs, and the end of the storage plate 28 is positioned near the surface by storing the storage plate 28 obliquely as described above.
When the storage plate 28 is taken out of the space 10, the operation can be performed with a very simple operation. The storage plate 28
Has a plate rib 29 extending vertically from both sides of the surface where the conductor 8 is attached, so that when the storage plate 28 is pulled out, the plate rib 29 can be gripped and pulled out.

Next, the operation will be described.

The lid 11 provided on the low frequency treatment device main body 1 is opened,
Hold the plate rib 29 of the storage plate 28 with the conductor 8 attached to both sides, pull out the storage plate 28 and rotate the drum 17 provided in the code storage unit 13 until the code 7 has an appropriate length. Pull out. When pulling is stopped, the stopper 19 is the ratchet claw formed on the drum 17.
18 to stop the cord 7 from being wound up by the spiral spring. Then, the guide 8 is removed from the storage plate 28, the guide 8 is attached to the affected part of the human body, and the switch 4 provided on the main body 1 is turned to supply a current to the human body. Then, the mode knob 3 and the speed adjustment knob 2 are switched according to the treatment application to perform the treatment.

At this time, since the length of the cord 7 can be adjusted according to the portion to be used, a comfortable massage can be performed without disturbing the massage during use.

At the end of the treatment, the lead 8 is removed from the human body,
When the operation knob 21 is attached to both sides of the storage plate 28 and operated as shown by the arrow in FIG. 3, the stopper 19 is rotated as shown by the arrow in FIG. Cord 7 is drum by spring force
It is wound up and stored at 17.

At the time of storage, the operation can be easily performed because the drum 17 can be automatically stored simply by operating the operation knob 21, and the storage volume can be increased due to the obstruction of the cord 7 during storage. Disappears.

Next, the maintenance of the cord 7 and the drum 17 will be described. For example, when the damaged portion is to be replaced due to a breakage of the cord 7 due to a cut or the like, or a defective spiral spring in the drum 17, the cord storage unit 13 must be replaced. Maintenance can be easily performed by removing the cord storage unit 13 from the concave portion 6 of the main body 1 and exchanging the cord storage unit 13. Also, the circuit board 12
And the cord storage unit 13 is electrically connected to the first
For the pin 23 and the second pin 25, the cord storage unit 13
The second pin 25 on the side is a cord storage unit by a spring
Since the first pins 23 protrude from the surface of the circuit board 13 and are not protruded into the main body 1 and do not protrude, even if maintenance is performed while the circuit board 12 in the main body 1 is energized due to, for example, forgetting to turn off the changeover switch 4 or the like. In addition, since there is no place where a low-frequency current flows in a part touched by a human body during maintenance, safety during maintenance is improved.

[0026]

According to the above configuration, the cord length can be changed according to the used portion, the operation at the time of storage can be easily performed, and the effect of improving the usability can be obtained.

Also, at the time of maintenance, since the drum and the stopper are formed as one cord storage unit, workability is improved.

Furthermore, since the guide can be stuck on both sides of the storage plate and stored, there is an effect that storage is not required and storage can be easily performed.

[Brief description of the drawings]

FIG. 1 is a side sectional view of an electrotherapy device according to the present invention.

FIG. 2 is an exploded perspective view of the main part.

FIG. 3 is a plan view showing an assembled state within a circle in FIG. 2;

FIG. 4 is a side sectional view of a main part showing a stored state of the guide element.

FIG. 5 is an overall perspective view of the cord storage unit.

FIG. 6 is a front view of the main body.

FIG. 7 is a side view of the main body.

FIG. 8 is a front view showing a stored state of a conventional cord.

FIG. 9 is a side sectional view of the same.

[Description of Signs] 1 Body 7 Code 8 Conductor 17 Drum 18 Ratchet claw 19 Stopper 13 Cord storage unit 28 Storage plate

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiromi Muramatsu 2-18-18 Keihanhondori Moriguchi City Sanyo Electric Co., Ltd. (72) Inventor Shingo Usui 2-18-18 Keihanhondori Moriguchi City Sanyo Electric Co., Ltd. ( 56) References JP-A-3-26277 (JP, A) JP-B-2-3484 (JP, B2) Japanese Patent Application No. 1-55621 (Japanese Utility Model Application No. 2-147138) Microfilm photographing the contents of drawings (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A61N 1/04 A61N 1/32

Claims (2)

(57) [Claims] 1. A main body for generating an electric signal, a conductor capable of passing an electric current to a human body via a cord, and a drum which is wound in and retracted from the cord and is always urged in a direction in which the cord is wound. A ratchet pawl formed on the outer periphery of the drum, and biased in a direction to always engage with the ratchet pawl,
Possess a stopper which enables rotating the drum only in the withdrawing direction of said encoded by this engagement, and means for releasing the engagement between the stopper and the ratchet pawl, the
Drum and stopper with one cord storage unit
The cord storage unit is detachably attached to the main body.
The main body and the main body when mounted on the main body.
An electrotherapy device wherein the cord is electrically connected to the cord . 2. The electrotherapy device according to claim 1, wherein the guide is attached to both sides of a storage plate and can be stored in a space formed in the main body.