Combined control device, controller and physiotherapy instrument

Abstract

The utility model relates to the physiotherapy instrument field, and specifically relates to a combined type control device, a controller and a physiotherapy instrument, the combined type control device comprises a time identification part and a plurality of time indicating lamp groups, the identification part is provided with a plurality of time identifications, and the time indicating lamp groups and the time identifications are in one-to-one correspondence. According to the scheme, the set time is displayed by turning on the time indicator lamp group of the corresponding time identifier, and a timing display mode which is low in power consumption and capable of reducing cost can be provided.

Description

Technical Field

[0001] The utility model relates to the field of physical therapy instruments, and in particular to a combined control device, a controller and a physical therapy instrument. Background Art

[0002] At present, a controller is provided on the physiotherapy apparatus. When performing physiotherapy, the physiotherapy time is set and automatically counted by operating the controller, so that the physiotherapy apparatus will automatically stop the physiotherapy work after a certain time in the physiotherapy process.

[0003] A common timing method is that a mechanical timer is provided on the controller. The mechanical timer includes a knob. When timing, the knob is turned to turn the pointer of the knob to the corresponding time scale position, and then the knob is released. The knob automatically counts down. When the knob pointer position returns to zero, the physiotherapy device automatically stops working.

[0004] The timing error of this mechanical timer is relatively large, usually around ±16%, but the pharmaceutical industry standard "YY0061-2021 Specific Electromagnetic Wave Therapeutic Device" requires the timing error to be controlled below ±10%. Therefore, in order to reduce the timing error, the controller later used an electronic timer to time. Compared with the mechanical timer, the timing error is greatly reduced.

[0005] The existing electronic timing display mode is that the controller is equipped with a 7-segment digital tube to display the time. The 7-segment digital tube is generally composed of 7 LEDs (light-emitting diodes), each LED corresponds to a segment of the digital tube, and each diode controls a specific display segment. Through the appropriate control voltage, the digital can be displayed.

[0006] However, the use of digital tubes to display timing has the following disadvantages: the unit price of the digital tube itself is relatively expensive, and the cost of using digital tubes to display time is relatively high.

[0007] In addition, each digital tube is composed of seven LED lights for display, and the number of LED lights involved is large. When there are multiple digital tubes, the number of LED lights involved will be even greater. For example, when the number of digital tubes is two to display two digits, there will be a total of 14 LED lights. This use of digital tubes for display places high demands on the chip that controls the digital tubes. For example, there needs to be enough pins on the chip to be able to connect to a larger number of LED lights. For example, when the number of LED lights increases, the microcontroller needs more I / O ports to control it, and the chip needs more resources, and the cost of the chip is higher. On the other hand, using digital tubes for time display will display the corresponding time through multiple LED lights. In this way, the entire AC / DC power supply (AC / DC power supply is a hardware circuit that converts 220V alternating current into a 3-5V direct current power supply used by the microcontroller, Figure 4The circuit diagram of which is disclosed in the figure) requires more power, which increases the cost, thereby making the cost of the entire physiotherapy device higher.

[0008] Therefore, adopting a time display method with low power consumption and cost reduction is the key to solving the above problems. Utility Model Content

[0009] The utility model aims to provide a combined control device, a controller and a physiotherapy instrument, so as to provide a time display mode with low power consumption and cost reduction.

[0010] To achieve the above-mentioned purpose, the utility model adopts the following basic technical scheme: a combined control device, including a time identification part and multiple time indicator light groups, each time indicator light group includes a positive integer number of time indicator lights, and the identification part is provided with multiple time identifications, and the time indicator light groups and the time identifications correspond one to one.

[0011] The principle and advantage of the scheme of the present application is that the time indicator light group and the identification part are used in combination, each time indicator light group corresponds to a time identification, and the time indicator light group corresponding to the time identification is lit, thereby indicating at the time identification, and being able to show the user the set time or the remaining time. Compared with the prior art of using digital tubes to display time, the number of time indicator lights does not need to be set more, and the number of pins set on the chip can be reduced, which is conducive to reducing the cost of the chip.

[0012] In addition, after the time is set, only the time indicator light group that indicates the time is in the bright state, while the other time indicator light groups are in the dark state. Compared with the multiple LED lights in the digital tube that work in a continuous cycle, there is no need to set up complex programs on the chip to continuously and alternately control the lighting of different time indicator lights. Therefore, the requirements for the chip will not be too high, so that lower performance chips can be used, which is also conducive to reducing chip costs.

[0013] In addition, through the solution of the present application, the number of time indicator lights is small, and the number of time indicator lights that are on during operation is less than the number of LED lights on the digital tube in the prior art. The power consumption of the related circuits is reduced, and the power required by the AC / DC power supply is reduced.

[0014] Therefore, the solution of the present application provides a time display method with low power consumption and reduced cost.

[0015] Preferably, as an improvement, the time mark is a combination of one or more of words, letters, numbers, symbols, color bars or patterns.

[0016] Therefore, there can be many ways to identify the time mark, as long as it allows the user to identify the corresponding time.

[0017] Preferably, as an improvement, the total number of time indicator lights of all time indicator light groups is ≤13.

[0018] Therefore, in the prior art, a 7-segment digital tube is provided with 7 LED lights, and when displaying the time, at least two digital tubes are used, that is, 14 lights are required, and the total number of time indicator lights of all time indicator light groups in the present solution is ≤13 (in other words, all time indicator lights are fully lit with a maximum of 13 lights). The number of time indicator lights in the present solution is less than the number of LED lights on the 7-segment digital tube, which is beneficial to reducing the display cost and the cost of related electronic components compared to using digital tubes.

[0019] Preferably, as an improvement, it further includes a plurality of power indicator light groups, a plurality of power identifications are provided on the identification portion, each power indicator light group includes a positive integer number of power indicator lights, and the power indicator light groups and the power identifications correspond one to one.

[0020] Similarly, similar to the time display method, the power display in this solution also abandons the traditional digital tube display method, which is conducive to reducing the number of power display lights, and further conducive to reducing the power consumption of related electronic devices and reducing production and manufacturing costs.

[0021] Preferably, as an improvement, the number of power indicator light groups is ≤3.

[0022] Preferably, as an improvement, the number of time indicator light groups is 2-8, and the number of time indicator lights in each time indicator light group is 1-4. Therefore, the number of time indicator light groups is set according to the number of actual time gear settings, and it is usually more appropriate to set the time gear to 2-8 gears, so the number of time indicator light groups is 2-8. The number of time indicator lights in the time indicator light group is determined according to the size of the space (or light hole space) where the lamp is placed and the volume of the time indicator light, so that the number in the time indicator light group can be set to different numbers, but it is generally more appropriate to set it to 1-4.

[0023] Preferably, as an improvement, the time indicator light is in the shape of a block, a strip, a lamp bead, a ring or an arc.

[0024] Therefore, the time indicator light can be set to different shapes according to actual conditions.

[0025] Preferably, as an improvement, the time indicator light is an LED lamp, a fluorescent lamp, a laser lamp or a halogen lamp.

[0026] Thus, the time indicator light can be set to different types according to actual conditions.

[0027] Preferably, as an improvement, the multiple time markers are distributed vertically, horizontally, in an arc shape, in a rectangular shape, or in a circle.

[0028] In addition, the present application also discloses a controller, including a shell, on which the above-mentioned combined control device is provided.

[0029] The combined control device in this solution is applied to the controller, so that the controller not only has the control function, but also has the function of displaying the set time.

[0030] Preferably, as an improvement, a light-through hole is provided on the housing, and the time indicator light group is located inside the housing, with the time indicator light group and the light-through hole facing each other; or,

[0031] A lamp placement position is arranged on the surface of the shell, and the time indicator light group is placed in the lamp placement position.

[0032] Thus, the time indicator light group can be placed in the housing or on the housing. When the time indicator light group is placed in the housing, the light emitted by the time indicator light group can shine outward through the light hole. When the time indicator light group is located on the housing, a light placement position is provided on the surface of the housing, and the time indicator light group is located at the light placement position.

[0033] Preferably, as an improvement, the identification portion is provided on the housing by means of pasting, printing, spraying or engraving.

[0034] Therefore, the identification portion can be arranged on the housing in different ways.

[0035] In addition, the present application also discloses a physiotherapy device, including the above-mentioned controller, a control circuit is arranged in the shell, the control circuit includes a chip, the controller is provided with a button switch, the button switch and the chip are electrically connected, and the chip and the time indicator are electrically connected.

[0036] Thus, by pressing the button switch, the button switch transmits a signal to the chip, and the chip sets the working time of the physiotherapy instrument. At the same time, the chip transmits a command to control the time indicator group at the corresponding time mark to light up, thereby indicating the time set by the user, or showing the approximate remaining time during the physiotherapy process. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the structure of the housing of the controller (including the identification part).

[0038] Figure 2 This is a schematic diagram of the structure of the controller housing (excluding the identification part).

[0039] Figure 3 This is the control schematic diagram of the controller.

[0040] Figure 4 This is a circuit diagram of an AC / DC power supply converting 220V to 3-5V in the prior art. DETAILED DESCRIPTION

[0041] The following is further described in detail through specific implementation methods:

[0042] The reference numerals in the drawings of the specification include: housing 1 , identification portion 2 , time identification 3 , time setting identification 4 , push portion 5 , lamp placement position 6 , and fitting surface 7 .

[0043] Example 1

[0044] Basically as attached Figure 1-Figure 3 Shown: A controller includes a shell 1, on which a combined control device is provided.

[0045] The present embodiment discloses a combined control device, including an identification portion 2 and a plurality of time indicator light groups (not shown in the figure, the number of the time indicator light groups is 2-8, and the present embodiment takes four as an example for explanation), each time indicator light group includes 1-4 time indicator lights (not shown in the figure), and the total number of time indicator lights of all time indicator light groups is ≤13. Figure 1 As shown, the identification part 2 is provided with a plurality of time identification marks 3. Figure 1 There are four time marks 3, which are 15min, 30min, 45min and 60min respectively. Each of the four time marks 3 is provided with a light-transmitting portion (made of transparent material), which can allow the light emitted by the time indicator to pass through. In some embodiments, the colors of the light-transmitting portions on different time marks 3 can be set to different colors. The marking portion 2 in this embodiment is a sheet-like film and is attached to the attachment surface 7 of the housing 1.

[0046] Combination Figure 2As shown, the fitting surface 7 of the shell 1 in this embodiment is provided with a lamp placement position 6, and the lamp placement position 6 is a lamp placement groove or a lamp placement hole (the lamp placement groove is not connected to the shell 1, and the lamp placement hole is connected to the shell 1). The number of lamp placement positions 6 is four, and the four lamp placement positions 6 correspond to the positions and shapes of the four light-transmitting parts on the identification part 2, so that the identification part 2 is attached to the fitting surface 7, and the four light-transmitting parts are opposite to the four lamp placement positions 6 one by one. A time indicator light group is placed in each lamp placement position 6. Since the space sizes of the four lamp placement positions 6 are different, the number of time indicator lights of the time indicator light groups in different lamp placement positions 6 can be set differently. For example, the space of the two middle lamp placement positions 6 is smaller than that of the lamp placement positions 6 at the two ends and the shape is more regular. The time indicator lights of the time indicator light groups of the two middle lamp placement positions 6 can be set to 1, and the number of time indicator lights in the time indicator light groups in the other two lamp placement positions 6 can be set to 2 to ensure the brightness of the corresponding light-transmitting parts. Of course, in other embodiments, according to the different spaces and shapes of the lamp placement positions 6 and the volumes and shapes of the time indicator lights, the number of time indicator lights in the time indicator light group in the lamp placement position 6 may also be 3 or 4, or even more. But in any case, the time indicator light group in the lamp placement position 6 includes at least one time indicator light.

[0047] The time indicator light in this embodiment is an LED lamp. Of course, in other embodiments, a fluorescent lamp, a laser lamp or a halogen lamp may also be used. The application does not make any specific restrictions on the type of lamp.

[0048] The shape of the time indicator light in this embodiment is adapted to the shape of the lamp placement position 6. When the lamp placement position 6 is in a bar shape, the time indicator light is also in a bar shape. When the lamp placement position 6 is bent, the time indicator light is also bent into a corresponding arc shape. In some embodiments, the shape of the time indicator light can also be in a block shape, a lamp bead shape, or a ring shape. In this application, the specific shape of the time indicator light is not specifically limited and can be set according to actual conditions.

[0049] Combination Figure 2 As shown, in this embodiment, a pressing portion 5 is provided on the housing 1, a key hole is provided on the housing 1, the pressing portion 5 is located in the key hole, the pressing portion 5 and the inner wall of the key hole are connected as one body, a button switch is provided inside the housing 1 (the button switch can be a light touch button), the button switch and the pressing portion 5 on the housing 1 are opposite, and the pressing portion 5 on the housing 1 is connected to the housing 1. Figure 1 As shown, a time setting mark 4 is provided on the mark portion 2 , and the time setting mark 4 corresponds to the position of the push portion 5 .

[0050] This embodiment also discloses a physiotherapy device, which can be a specific electromagnetic wave therapy device or an infrared therapy device. The physiotherapy device includes a frame, a treatment lamp head and a controller. The housing 1 of the controller is installed on the frame by bolts, and the treatment lamp head is installed on the frame by bolts. A control circuit is arranged in the housing 1. The control circuit includes a chip (the specific model of the chip is CA51M020T3, and this model of chip has a timing function. Of course, other models of chips can also be used in other embodiments. When other models of chips do not have a timing function, additional timers are required for timing). A pin on the chip is electrically connected to a button switch in the housing 1, and four pins on the chip are electrically connected to four time indicator light groups respectively. Other pins on the chip are electrically connected to a relay or a drive circuit for controlling the treatment lamp head.

[0051] Therefore, the time in this embodiment has four gears of 15min, 30min, 45min and 60min. By pressing the pressing part 5, the pressing part 5 presses the button switch located in the housing 1 to select the corresponding time gear. When the pressing part 5 is pressed, the button switch sends out information of being pressed and is received by the chip, so as to select the corresponding time gear, for example, the time gear of 30min is selected. At the same time, the chip counts and sends instructions to the time indicator light, so that the time indicator light group corresponding to 30min is on, so as to inform the user that the time gear set for physical therapy is 30min. At the same time, the chip controls the relay or the driving circuit so that the treatment lamp head treats the person and the physical therapy instrument is in working state.

[0052] When the set time is 30 minutes, after the physiotherapy device is used for 30 minutes, it reaches the set physiotherapy time. At this time, the chip controls the time indicator light group at 30 minutes to go out. At the same time, the chip sends a command to control the relay or drive circuit to stop working, and the treatment lamp head of the physiotherapy device stops working, realizing automatic power-off of the physiotherapy device.

[0053] Therefore, through this embodiment, this scheme is used in conjunction with the time indicator light and the identification part 2, each time indicator light group corresponds to a time identification 3, and when setting different working time gears, the time indicator lights at different time identifications 3 light up, thereby indicating at the corresponding time identification 3 on the identification part 2, and being able to show the set time to the user.

[0054] In the present embodiment, the number of time indicator light groups is four, and the total number of time indicator lights will not exceed 13 (for example, one time indicator light is set in each lamp placement position 6, and the total number of time indicator lights is 4; 2 time indicator lights are set in each lamp placement position 6, and the total number of time indicator lights is 8; 3 time indicator lights are set in each lamp placement position 6, and the total number of time indicator lights is 12. Of course, the number of time indicator lights in the time indicator light group in each lamp placement position 6 may also be different, so that the number of time indicator lights in the time indicator light group in an individual lamp placement position 6 may also reach 4), and the number of LED lights in the 7-segment digital tube is at least 7. When two digital tubes are used for time display, 14 LED lights are required. Compared with using digital tubes for time display, the number of time indicator lights in the present embodiment is reduced, and the number of pins provided on the chip can be reduced, which is beneficial to reduce the cost of the chip.

[0055] In addition, in the present embodiment, after the time is set, only the time indicator light group at the time mark 3 of the corresponding time gear is in the bright state, while the time indicator light groups at the other time marks 3 are in the off state, that is, only one time indicator light is working. Compared with the simultaneous operation of multiple LED lights in the digital tube, there will be no state in which multiple time indicator light groups work at the same time. In this way, the power consumption of the relevant circuits is reduced, and the energy consumption of the relevant electronic components is reduced, which is beneficial to increase the service life of the relevant electronic components.

[0056] Of course, other forms can also be used for the time mark 3, for example, the time mark 3 is one or a combination of text (such as fifteen minutes, 0.25 hours, first gear, second gear, third gear, etc.), letters (such as 1 / 4h), symbols or patterns (such as clock patterns).

[0057] Of course, in other embodiments, the marking portion 2 can also be provided on the housing 1 by printing, spraying or engraving. For example, the time mark 3 is printed, sprayed or engraved on the housing 1.

[0058] In this embodiment, there are four time gears. Of course, in other implementations, there can also be two gears (such as the longest treatment time is 1 hour, one gear every 30 minutes), three gears (such as the longest treatment time is 1 hour, one gear every 20 minutes), five gears (for example, the longest treatment time is 1 hour, one gear every 12 minutes) or six gears (such as the longest treatment time is 1 hour, one gear every 10 minutes), etc.

[0059] Combination Figure 1 and Figure 2As shown, the multiple time markers 3 in this embodiment are distributed vertically, and the lamp placement positions 6 are also distributed vertically. Of course, in other implementations, the multiple time markers 3 and the lamp placement positions 6 can also be distributed horizontally (multiple time markers 3 are placed horizontally in sequence), arc-shaped (multiple time markers 3 are placed in an arc), rectangular (multiple time markers 3 are placed in a rectangular shape) or circular (multiple time markers 3 are placed in a circle).

[0060] In addition, in other embodiments, the time indicator light group can also be installed in the shell 1, and the lamp placement position 6 of the shell 1 is a light-through hole, so that the time indicator light is located in the shell 1, the time indicator light group and the light-through hole are opposite, and the light emitted by the time indicator light can be radiated outward through the light-through hole.

[0061] Example 2

[0062] After the time in Example 1 is set, the time indicator light at the corresponding time mark 3 is always on until it goes out after the physical therapy is finished.

[0063] The difference between this embodiment and embodiment 1 is that a different lighting method is disclosed. Specifically, four time indicator light groups are used as an example for explanation. During the countdown of the physiotherapy instrument, the four time indicator light groups light up alternately from top to bottom, thereby indicating the approximate remaining time of the physiotherapy. For example, if the initial setting of the physiotherapy time is 60 minutes, the time indicator light group at 60 minutes will light up, while the other time indicator light groups will not light up. After 15 minutes, the chip controls the time indicator light group at 45 minutes to light up, and the time indicator light group at 60 minutes to go out, indicating that the remaining time is less than 45 minutes. After another 15 minutes, the chip controls the time indicator light group at 30 minutes to light up, and the time indicator light group at 45 minutes to go out, indicating that the remaining time is less than 30 minutes. After another 15 minutes, the chip controls the time indicator light group at 15 minutes to light up, and the time indicator light group at 30 minutes to go out, indicating that the remaining time is less than 15 minutes. After the physiotherapy is finally completed, all the time indicator light groups go out.

[0064] Example 3

[0065] The difference between this embodiment and embodiment 1-2 is that a lighting method different from that of embodiment 1-2 is disclosed. Specifically, four time indicator light groups are used as an example for explanation. When the physiotherapy time is set to 60 minutes, all four time indicator light groups are on. During the countdown of the physiotherapy instrument, after 15 minutes, the time indicator light group at 60 minutes controlled by the chip is turned off, while the other time indicator light groups are still on. After another 15 minutes, the time indicator light group at 45 minutes controlled by the chip is also turned off, while the other time indicator light groups are still on. By analogy, the time indicator light groups at 60 / 45 / 30 / 15 minutes are turned off one by one, and finally the time indicator light group at 15 minutes is turned off.

[0066] Example 4

[0067] Similar to the setting method of the time indicator light and the time identification 3, this embodiment is further limited on the basis of embodiments 1-3. The combined control device in this embodiment also includes multiple power indicator light groups (the number of power indicator light groups ≤ 3, and this embodiment is described by taking two as an example), and multiple power identifications are provided on the identification part 2, and the power indicator light groups and power identifications correspond one to one. Each power indicator light group includes a positive integer number of power indicator lights. For example, the number of power indicator lights in each power indicator light group is 1-3. The number of power indicator lights in each power indicator light group is set according to the time situation, and the number can be the same or different.

[0068] For power identification, combined Figure 1 As shown, Figure 1 There are two power identifiers, which are high power and low power. Of course, in other implementations, three power identifiers can be set, which are high power, medium power and low power. For the power identifier, in other implementations, other words, letters, numbers, patterns or symbols can also be used to represent it.

[0069] Similar to the above embodiment, a light-transmitting portion is also correspondingly provided on each power indicator so that the light of the power indicator light can be emitted.

[0070] Combination Figure 2 As shown, the fitting surface 7 of the housing 1 in this embodiment is provided with two lamp placement positions for placing the power indicator light group, and the power indicator light group is placed in the two lamp placement positions. The two lamp placement positions correspond to the positions and shapes of the two light-transmitting parts corresponding to the power logo on the logo part 2.

[0071] In some implementations, the specifications and types of the power indicator light and the time indicator light may be the same, or they may be different.

[0072] The power indicator light group in this embodiment is electrically connected to the chip, similar to the button switch for setting the time gear. The control box is also provided with a button switch for setting the power, and the button switch for setting the power is electrically connected to the chip.

[0073] Thus, by pressing the button switch for setting the power, the button switch transmits a signal to the chip, and the chip issues an instruction to control the circuit, thereby controlling the power of the treatment lamp head. At the same time, the corresponding power indicator light group lights up to display the set power gear.

[0074] Therefore, the power display method in this embodiment also adopts a method similar to the time display method, abandoning the traditional method of displaying power by a digital tube. This is also beneficial to reducing the cost of using the chip, and the chip has low cost requirements. The number of power indicator lights is less than the number of LED lights on the digital tube in the prior art. The power consumption of related circuits is reduced, and the power required by the AC / DC power supply is reduced. Therefore, this embodiment provides a power display method with low power consumption and cost reduction.

[0075] In the present embodiment, the power is adjusted in a pulse adjustment manner. Specifically, the half cycle of the mains power of 50Hz is used as a basic unit for adjustment. One half cycle is 10ms. For example, the specific control method is: the power is controlled by whether the bidirectional thyristor in the chip control circuit is turned on. For example, if the power is 100%, it is always turned on; if the power is 75%, it is turned on for 30ms and turned off for 10ms; if the power is 50%, it is turned on for 10ms and turned off for 10ms.

[0076] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A combined control device, characterized in that: It comprises an identification part and a plurality of time indicator light groups, each of which comprises a positive integer number of time indicator lights, and the identification part is provided with a plurality of time identifiers, and the time indicator light groups and the time identifiers correspond one to one.

2. A combined control device according to claim 1, characterized in that: The time mark is one or a combination of words, letters, numbers, symbols, color bars or patterns.

3. A combined control device according to claim 1, characterized in that: The total number of time indicator lights in all time indicator light groups is ≤ 13.

4. A combined control device according to claim 1, characterized in that: It also includes a plurality of power indicator light groups. The identification portion is provided with a plurality of power identifications. Each power indicator light group includes a positive integer number of power indicator lights. The power indicator light groups and the power identifications correspond one to one.

5. A combined control device according to claim 4, characterized in that: The number of the power indicator light groups is ≤3.

6. A combined control device according to claim 3, characterized in that: The number of time indicator light groups is 2-8, and the number of time indicator lights in each time indicator light group is 1-4.

7. A controller, including a housing, characterized in that: The housing is provided with a combined control device as described in any one of claims 1-6.

8. The controller according to claim 7, characterized in that: The housing is provided with a light-through hole, the time indicator light group is located inside the housing, and the time indicator light group and the light-through hole are opposite to each other; or, A lamp placement position is provided on the surface of the shell, and the time indicator light group is placed in the lamp placement position.

9. A physiotherapy apparatus, characterized in that: It comprises the controller as claimed in claim 7, wherein a control circuit is arranged in the shell, the control circuit comprises a chip, the controller is provided with a button switch, the button switch is electrically connected to the chip, and the chip is electrically connected to a time indicator light.

10. The physiotherapy apparatus according to claim 9, characterized in that: The power of the physiotherapy device is pulse regulated.

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