A dental chair with integrated laser therapy device

Abstract

The present invention relates to the field of medical devices, and more specifically, to a dental chair integrated with a laser therapy device. The dental chair comprises a dental chair base, a side box, an instrument tray, a touch screen, and a foot switch. The side box is disposed on the side of the dental chair base, and the laser therapy device is integrated inside or outside the side box. The laser therapy device is connected to a laser handpiece via a light guide arm or an umbilical cord. The light guide arm or umbilical cord integrates a power supply circuit, a control circuit, a cooling water circuit, and a water mist gas circuit. The laser therapy device and the dental chair share a power supply and water mist supply system. The instrument tray is connected to the side box via an articulated arm. The touch screen is located at the upper rear portion of the instrument tray for adjusting laser therapy parameters. The laser handpiece is turned on and off by a foot switch. By combining the laser therapy device with the dental chair base, the present invention not only saves diagnostic and treatment space but also avoids the problem of forced interruption of the operating process when the doctor switches between a traditional dental chair and laser equipment, which results in prolonged treatment time.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, and in particular to a dental chair integrated with a laser therapeutic device. Background Art

[0002] As core equipment for oral diagnosis and treatment, dental chairs have gradually integrated functional components such as water and air supply systems, instrument trays, shadowless lamps, and digital control modules to meet diverse clinical needs. However, with the popularization of laser technology in dental procedures (such as hemostasis, sterilization, and painless tissue cutting), the limitations of existing dental chairs have gradually become apparent:

[0003] Inefficiencies caused by separate devices: Currently, laser therapy devices are often placed as standalone devices next to dental chairs, taking up space and requiring frequent movement. This interrupts the workflow when doctors switch between traditional dental chairs and laser devices, which can extend treatment times, especially in complex procedures.

[0004] Human-computer interaction redundancy: Laser therapy devices usually require a separate foot switch. When it coexists with the original foot pedal of the dental chair, the doctor needs to repeatedly adjust the foot position to control different devices, which not only increases the operating load but also poses the risk of accidental touch (the industry report "2023 Human Factors Engineering Analysis of Dental Equipment" shows that the doctor's error rate in multi-pedal scenarios is as high as 12%).

[0005] System redundancy and cost disadvantages: Independent laser therapy devices require built-in independent power supply and water-gas circulation systems, which results in bulky equipment and high manufacturing costs.

[0006] Although there have been attempts to combine laser modules with dental chairs, these solutions have significant drawbacks:

[0007] Functional fragmentation: The laser module only exists as an external plug-in, without deep integration of power supply, water and gas systems, and still relies on external pipeline connections;

[0008] Control rigidity: The foot switch lacks an intelligent switching mechanism and cannot automatically associate control paths based on the instrument's access status. Summary of the Invention

[0009] The main purpose of the present invention is to provide a dental chair integrated with a laser therapy device. By combining the laser therapy device main unit with the dental chair base, it can not only save diagnosis and treatment space; it can also avoid the problem of forced interruption of the operation process when the doctor switches between the traditional dental chair and the laser equipment, resulting in prolonged treatment time.

[0010] To achieve the above-mentioned objectives, the present invention provides a dental chair integrated with a laser therapy device, characterized in that it includes a dental chair base, a side box, an instrument tray, a touch screen and a foot switch; the side box is arranged on the side of the dental chair base, and the laser therapy device host is integrated inside or outside the side box, and the laser therapy device host is connected to the laser mobile phone through a light guide arm or an umbilical cord; the light guide arm or the umbilical cord is integrated with a power supply circuit, a control circuit, a cooling water circuit and a water mist gas circuit; the laser therapy device host and the dental chair share a power supply and a water and gas supply system; the instrument tray is connected to the side box through a joint arm, and the touch screen is arranged on the upper rear part of the instrument tray for adjusting laser treatment parameters; the on and off of the laser mobile phone is controlled by a foot switch, and the foot switch supports sharing with the dental chair foot pedal and automatically switches the control path through a switching switch.

[0011] Preferably, the foot switch includes a base plate, a pedal and a single-action mechanism; there are two pedals, the corresponding ends of the two pedals are hinged to one end of the top of the base plate, and a vertical bar is further provided on the base plate, the vertical bar is located between the two pedals, a through slot is provided on the top of the vertical bar, the two ends of the through slot are respectively facing the corresponding pedals, and two L-shaped guide slots passing through the through slot are mirrored on one side of the vertical bar; the single-action mechanism is arranged in the corresponding through slot and can lock the position of the other pedal when any pedal moves; the single-action mechanism includes two horizontally arranged and can move along the corresponding L-shaped guide slots The track-moving card plate has a limit plate on the top of the vertical bar that cooperates with the card plate. A positioning plate is also provided on each pedal, and the positioning plate is located between the corresponding card plate and the limit plate; two sliding cylinders are hinged on each base plate, and the open end of the sliding cylinder faces away from the base plate. A sliding disk is slidingly provided in each sliding cylinder, and a guide rod is provided at the center of each sliding disk. The end of each guide rod away from the sliding disk is hinged to the side of the corresponding pedal close to the base plate. A return spring is also provided in each sliding cylinder, and the return spring is located between the corresponding sliding disk and the inner wall of the bottom of the sliding cylinder.

[0012] Preferably, the single-action mechanism also includes a top spring and an electric push rod; each positioning plate is provided with a moving block on both sides along the length direction, and the moving block can be slidably arranged in the corresponding L-shaped guide groove, and a top spring is mirrored at the bottom of each positioning plate, and mounting plates are respectively provided at both ends of the through-groove, and an electric push rod is provided on each mounting plate, and a blocking block is provided at one end of each electric push rod facing the center of the through-groove, and a blocking slot cooperating with the blocking block is provided at the bottom of each positioning plate.

[0013] Preferably, a sealing ring is further provided at the open end of each sliding cylinder, the guide rod is slidingly arranged inside the sealing ring, the interior of the sliding cylinder is filled with a buffer solution, and two conical guide holes are mirror-imaged on the sliding disk.

[0014] Preferably, each sliding disk is further provided with a locking mechanism capable of locking the position of the sliding disk.

[0015] Preferably, each locking mechanism includes a drive motor, a rotating disk and a pressure ring; a motor compartment is provided at the inner center of the sliding disk, the drive motor is provided in the motor compartment, the motor shaft of the drive motor extends out of the motor compartment and is provided with a rotating disk, and the rotating disk is provided with an avoidance hole for avoiding the conical guide hole; a line groove connected to the motor compartment is provided inside the guide rod, the pressure ring is coaxially arranged with the sliding disk and contacts the corresponding reset spring, the pressure ring and the sliding disk are connected to each other through two pressure sensors, and an arc-shaped avoidance groove for avoiding the pressure sensor is provided on the rotating disk in a mirror image.

[0016] Preferably, a protective shell is also provided on the bottom plate.

[0017] Preferably, the pedal is also provided with anti-slip grooves.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] 1. This application combines the laser therapy device main unit with the dental chair base, which not only saves diagnosis and treatment space; but also avoids the problem of forced interruption of the operation process when the doctor switches between the traditional dental chair and the laser equipment, resulting in prolonged treatment time.

[0020] 2. In this application, the two locking plates cooperate with each other. When the two pedals are stepped on at the same time, the two locking plates conflict with each other, thereby locking the positions of the two pedals and preventing the two pedals from being stepped on at the same time; when a single pedal is stepped on, the corresponding locking plate can be moved to the bottom of the adjacent locking plate through the L-shaped guide groove, thereby locking the position of the adjacent pedal, thereby ensuring that only a single pedal can be stepped on, thereby improving the safety of the operation.

[0021] 3. The present application cooperates with a drive motor, a rotating disk and a pressure ring. When the value of the pressure sensor fluctuates within a small range or remains unchanged for a long time, the pressure sensor causes the drive motor to rotate, thereby causing the rotating disk to intermittently rotate back and forth, so that the avoidance holes and the corresponding conical guide holes are staggered. The rotating disk can intermittently block the conical guide holes. In the blocked state, the sliding disk is in a completely sealed state, thereby locking the position of the sliding disk, reducing the pressure on the doctor's feet, and avoiding doctor fatigue. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention and to make other features, objects, and advantages of the present invention more apparent. The accompanying drawings and descriptions of the exemplary embodiments of the present invention are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 is a perspective view of embodiment 1 of the present invention;

[0024] Figure 2 is a perspective view of embodiment 2 of the present invention;

[0025] Figure 3 is a perspective view of the foot switch of the present invention;

[0026] Figure 4 yes Figure 3 A three-dimensional image of the hidden protective shell;

[0027] Figure 5 yes Figure 4 Partial stereogram at point A in the middle;

[0028] Figure 6 It is a partial three-dimensional decomposition of the foot switch of the present invention Figure 1 ;

[0029] Figure 7 yes Figure 6 A partial enlarged view of point B in the middle;

[0030] Figure 8 It is a partial three-dimensional diagram of the foot switch of the present invention. Figure 1 ;

[0031] Figure 9 yes Figure 8 Plane cross-sectional view along CC direction;

[0032] Figure 10 yes Figure 9 A partial enlarged view of point D in the middle;

[0033] Figure 11 It is a partial three-dimensional decomposition of the foot switch of the present invention Figure 2 .

[0034] The numbers in the above figure are:

[0035] 1- dental chair base;

[0036] 2-side box; 21-laser therapy device host; 22-light guide arm; 23-umbilical cord; 24-laser handpiece;

[0037] 3-Instrument tray;

[0038] 4- Touch screen;

[0039] 5-foot switch; 51-bottom plate; 511-vertical bar; 5111-through slot; 5112- L-shaped guide groove; 5113-limiting plate; 5114-mounting plate; 512-sliding cylinder; 5121-sliding disk; 5122-guide rod; 5123-reset spring; 5124-sealing ring; 5125-buffer; 5126-conical guide hole; 5127-motor compartment; 5128-line groove; 513-protective shell; 52-pedal; 521-positioning plate; 522-anti-slip groove; 53-single-action mechanism; 531-locking plate; 5311-moving block; 5312-locking slot; 532-upper spring; 533-electric push rod; 5331-locking block; 54-locking mechanism; 541-drive motor; 542-rotating disk; 5421-avoidance hole; 5422-arc-shaped avoidance groove; 543-pressure ring; 544-pressure sensor. DETAILED DESCRIPTION

[0040] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0041] Example 1, see Figures 1 to 11 As shown, a dental chair integrated with a laser therapy device includes a dental chair base 1, a side box 2, an instrument tray 3, a touch screen 4 and a foot switch 5; the side box 2 is arranged on the side of the dental chair base 1, and a laser therapy device host 21 is integrated inside the side box 2, and the laser therapy device host 21 is connected to a laser handpiece 24 through a light guide arm 22; the light guide arm 22 integrates a power supply circuit, a control circuit, a cooling water circuit and a water mist gas circuit; the laser therapy device host 21 and the dental chair share a power supply and a water and gas supply system; the instrument tray 3 is connected to the side box 2 through an articulated arm, and the touch screen 4 is arranged on the upper rear part of the instrument tray 3 for adjusting laser therapy parameters; the on and off of the laser handpiece 24 is controlled by the foot switch 5, and the foot switch 5 supports sharing with the dental chair foot pedal and automatically switches the control path through the switching switch.

[0042] In the embodiment 1, the side box 2 is provided with a laser therapy device host 21 (such as Figure 1As shown), the laser therapy device main unit 21 is built-in; the light guide arm 22 is set on the top of the side box 2 and is connected to the laser therapy device main unit 21. The position of the laser handpiece 24 can be adjusted through the light guide arm 22 and the laser handpiece 24 can be hovered through the light guide arm 22; secondly, by integrating the laser therapy device main unit 21 on the dental chair base 1, it becomes an important component of the dental chair base 1, which is convenient for dental stomatologists to use at any time. When the laser handpiece 24 is picked up, the circuit path part of the foot switch 5 is automatically connected to the laser therapy device signal through the switching switch, so that the doctor can switch the cooling water path and the water mist gas path accordingly through the foot switch 5 during treatment, so that the dental stomatologist can control the water and gas with his feet. This avoids the doctor being forced to interrupt the operation process when switching between the traditional dental chair and the laser equipment, resulting in prolonged treatment time.

[0043] Example 2, see Figures 1 to 11 As shown, a dental chair integrated with a laser therapy device includes a dental chair base 1, a side box 2, an instrument tray 3, a touch screen 4 and a foot switch 5; the side box 2 is arranged on the side of the dental chair base 1, and the laser therapy device host 21 is integrated on the outside of the side box 2, and the laser therapy device host 21 is connected to the laser handpiece 24 through an umbilical cord 23; the power supply circuit, control circuit, cooling water circuit and water mist air circuit are integrated in the light guide arm 22 or the umbilical cord 23; the laser therapy device host 21 and the dental chair share the power supply and water and gas supply system; the instrument tray 3 is connected to the side box 2 through an articulated arm, and the touch screen 4 is arranged on the upper rear part of the instrument tray 3 for adjusting laser treatment parameters; the on and off of the laser handpiece 24 is controlled by the foot switch 5, which supports sharing with the dental chair foot pedal and automatically switching the control path through the switching switch.

[0044] In embodiment 2, the laser therapy device main unit 21 (such as Figure 2 As shown), the laser therapy device host 21 is a parallel type; the laser therapy device host 21 is "softly" connected to the laser handpiece 24 placed on the instrument tray 3 through the umbilical cord 23, and the dental stomatologist can hold the laser handpiece 24 by hand, so as to have a better position adjustment for the laser handpiece 24.

[0045] Example 3, based on Example 1 or Example 2, see Figures 3 to 5As shown, the foot switch 5 includes a base plate 51, a pedal 52 and a single-action mechanism 53; there are two pedals 52, and the corresponding ends of the two pedals 52 are hinged to one end of the top of the base plate 51. A vertical bar 511 is also provided on the base plate 51, and the vertical bar 511 is located between the two pedals 52. A through groove 5111 is provided on the top of the vertical bar 511, and the two ends of the through groove 5111 face the corresponding pedal 52 respectively. Two L-shaped guide grooves 5112 passing through the through groove 5111 are mirrored on one side of the vertical bar 511; the single-action mechanism 53 is arranged in the corresponding through groove 5111 and can lock the position of any pedal 52 when the other pedal 52 moves; the single-action mechanism 53 includes two horizontally arranged locking plates 531 that can move along the trajectory of the corresponding L-shaped guide groove 5112 A limit plate 5113 is provided at the top of the vertical bar 511, which cooperates with the positioning plate 531. A positioning plate 521 is also provided on each pedal 52, and the positioning plate 521 is located between the corresponding positioning plate 531 and the limit plate 5113; two sliding cylinders 512 are hinged on each base plate 51, and the open end of the sliding cylinder 512 is facing away from the base plate 51. A sliding disk 5121 is slidingly provided in each sliding cylinder 512, and a guide rod 5122 is provided at the center of each sliding disk 5121. The end of each guide rod 5122 away from the sliding disk 5121 is hinged to the side of the corresponding pedal 52 close to the base plate 51. A return spring 5123 is also provided in each sliding cylinder 512, and the return spring 5123 is located between the corresponding sliding disk 5121 and the inner wall of the bottom of the sliding cylinder 512.

[0046] In order to facilitate the doctor to control the cooling water circuit and the water mist air circuit, the two pedals 52 are used to control the cooling water circuit and the water mist air circuit respectively. In order to avoid accidentally touching the two pedals at the same time during the stepping process, which causes the cooling water circuit and the water mist air circuit to be opened at the same time; a single-action mechanism 53 is provided on the vertical bar 511 of the bottom plate 51, and the single-action mechanism 53 includes two horizontally arranged positioning plates 531 that can move along the corresponding L-shaped guide groove 5112 track. When the two positioning plates 531 are in the initial state of the pedals 52, due to the elastic force of the return spring 5123, the positioning plates 521 on the two pedals 52 can conflict with the limiting plates 5113 on the vertical bar 511, and the positioning plates 521 are located between the corresponding limiting plates 5113 and the positioning plates 531. When the two pedals 52 are in the initial state, due to the elastic force of the return spring 5123, the positioning plates 521 on the two pedals 52 can conflict with the limiting plates 5113 on the vertical bar 511, and the positioning plates 521 are located between the corresponding limiting plates 5113 and the positioning plates 531. When stepped on, the pedal 52 contacts the corresponding locking plate 531, and the ends of the two locking plates 531 interfere with each other, thereby limiting the positions of the two locking plates 531, so that the locking plates 531 can only move in the vertical direction. At this time, the two locking plates 531 are locked to each other, thereby preventing the two pedals 52 from being stepped on at the same time; when a single pedal 52 is stepped on, the stepped pedal 52 contacts the corresponding locking plate 531, thereby driving the corresponding locking plate 531 to move along the track of the L-shaped guide groove 5112, so that the locking plate 531 can move to the bottom of the adjacent locking plate 531, thereby locking the position of the adjacent locking plates 531, so that when a single pedal 52 is stepped on, the adjacent pedals 52 are in a locked state, avoiding accidental touch, and further ensuring safety of use.

[0047] See also Figures 5 to 7 As shown, the single-action mechanism 53 also includes an upper push spring 532 and an electric push rod 533; each positioning plate 531 is provided with a moving block 5311 on both sides along the length direction, and the moving block 5311 can be slidably set in the corresponding L-shaped guide groove 5112, and each positioning plate 531 is mirror-imaged with an upper push spring 532 at the bottom, and mounting plates 5114 are respectively provided at both ends of the through groove 5111, and an electric push rod 533 is provided on each mounting plate 5114, and each electric push rod 533 is provided with a blocking block 5331 at one end facing the center of the through groove 5111, and a blocking groove 5312 cooperating with the blocking block 5331 is provided at the bottom of each positioning plate 531.

[0048] By providing an upper push spring 532, the locking plate 531 can be located at the upper end of the corresponding L-shaped guide groove 5112. At this time, the ends of the two locking plates 531 conflict with each other. When the two locking plates 531 are stepped on at the same time, the two locking plates 531 move at the same time. When the two locking plates 531 move to the corner of the L-shaped guide groove 5112, the ends of the two locking plates 531 conflict with each other and cannot continue to move along the L-shaped guide groove 5112, thereby preventing the two pedals 52 from being stepped on at the same time. When a single pedal 52 is stepped on, the locking plate 531 moves toward the near side. The corresponding electric push rod 533 moves in the direction of movement, and the block 5331 on the electric push rod 533 can contact the slot 5312 on the corresponding locking plate 531. At this time, the electric push rod 533 drives the corresponding locking plate 531 to move toward the center of the through groove 5111, so that the locking plate 531 is retracted into the through groove 5111, ensuring that the stepped pedal 52 can continue to move downward, while making the locking plate 531 move along the corresponding L-shaped guide groove 5112 to the bottom of the adjacent locking plate 531, thereby locking the position of the adjacent pedal 52 to prevent it from being stepped on.

[0049] See also Figures 8 to 11 As shown, a sealing ring 5124 is further provided at the open end of each sliding cylinder 512, and a guide rod 5122 is slidingly provided inside the sealing ring 5124. The interior of the sliding cylinder 512 is filled with a buffer solution 5125, and two conical guide holes 5126 are mirror-imaged on the sliding disk 5121.

[0050] In order to prevent the doctor from stepping on the pedal too fast, which will cause the cooling water path and the water mist path to flow too fast and affect the surgical process, the buffer solution 5125 is filled in the sliding cylinder 512. Under the elastic force of the return spring 5123, the pedal 52 contacts the sealing ring 5124 at the open end of the sliding cylinder 512. At this time, the buffer solution 5125 is located between the sliding disk 5121 and the inner wall of the bottom of the sliding cylinder 512. When the pedal 52 is stepped on, the pedal 52 drives the corresponding sliding disk 5121 to move through the guide rod 5122. At this time, since the sliding cylinder 512 is filled with a buffer solution 5125, the pedal 52 contacts the sealing ring 5124 at the open end of the sliding cylinder 512. Filled with buffer solution 5125, the sliding disk 5121 is slidably sealed against the inner wall of the sliding cylinder 512, so that the buffer solution 5125 can only move through the conical guide hole 5126 on the sliding disk 5121, and the end with the larger diameter of the conical guide hole 5126 faces the bottom of the corresponding sliding cylinder 512, so that during the movement of the sliding disk 5121, the buffer solution 5125 can generate resistance in the opposite direction to the movement of the sliding disk 5121 when flowing through the conical guide hole 5126, thereby preventing the sliding disk 5121 from moving too fast and affecting the progress of the operation.

[0051] See also Figures 8 to 11As shown, each sliding disk 5121 is also provided with a locking mechanism 54 that can lock the position of the sliding disk 5121; each group of locking mechanisms 54 includes a driving motor 541, a rotating disk 542 and a pressure ring 543; a motor compartment 5127 is provided at the center of the sliding disk 5121, the driving motor 541 is arranged in the motor compartment 5127, the motor shaft of the driving motor 541 extends out of the motor compartment 5127 and is provided with a rotating disk 542, and the rotating disk 542 is provided with an avoidance hole 5421 for avoiding the conical guide hole 5126; a line groove 5128 connecting to the motor compartment 5127 is provided inside the guide rod 5122, the pressure ring 543 is coaxially arranged with the sliding disk 5121 and contacts the corresponding reset spring 5123, the pressure ring 543 and the sliding disk 5121 are connected to each other through two pressure sensors 544, and an arc-shaped avoidance groove 5422 for avoiding the pressure sensor 544 is mirrored on the rotating disk 542.

[0052] In some cases, the pedal 52 needs to be kept at a fixed angle for a period of time, and the doctor needs to continuously apply pressure to the foot pedal. The doctor will feel tired after pedaling for a long time. Based on this situation, a motor compartment 5127 is provided inside the sliding disk 5121, and a driving motor 541 is provided in the motor compartment 5127. The motor shaft of the driving motor 541 passes through the sliding disk 5121 and is provided with a rotating disk 542. The pressure sensor 544 is electrically connected to the driving motor 541 through a processor (not shown in the figure). Under normal pedaling conditions, the pressure ring 543 squeezes the return spring 5123, thereby causing the pressure The value of the force sensor 544 changes accordingly. When the value of the pressure sensor 544 fluctuates within a small range or remains unchanged for a long time, the pressure sensor 544 causes the drive motor 541 to rotate, thereby causing the rotating disk 542 to intermittently rotate back and forth, so that the avoidance hole 5421 and the corresponding conical guide hole 5126 are staggered. The rotating disk 542 can intermittently block the conical guide hole 5126. In the blocked state, the sliding disk 5121 is in a completely sealed state, thereby being able to lock the position of the sliding disk 5121, reducing the pressure on the doctor's feet and avoiding doctor fatigue.

[0053] See also Figure 3 As shown, a protective shell 513 is also provided on the bottom plate 51 .

[0054] The protective shell 513 can protect the equipment installed on the bottom plate 51 to avoid accidental stepping and damage.

[0055] See also Figure 3 As shown, the pedal 52 is further provided with anti-slip grooves 522 .

[0056] The provision of the anti-slip grooves 522 enables the doctor to step on the pedal 52 more conveniently, thereby reducing the risk of separation of the foot from the pedal 52 during surgery.

[0057] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A dental chair integrated with a laser therapy device, characterized in that: Includes dental chair base, side box, instrument tray, touch screen and foot switch; The side box is set on the side of the dental chair base. The laser therapy device host is integrated inside or outside the side box. The laser therapy device host is connected to the laser handpiece through a light guide arm or umbilical cord; The power supply circuit, control circuit, cooling water circuit and water mist gas circuit are integrated in the light guide arm or umbilical cord; the laser therapy device host and the dental chair share the power supply, water and gas supply system; The instrument tray is connected to the side box via an articulated arm, and the touch screen is located on the upper rear part of the instrument tray for adjusting laser treatment parameters; The laser handpiece is turned on and off by a foot switch, which can be shared with the dental chair foot pedal and automatically switch the control path through the switch; The foot switch includes a base plate, a pedal, and a single-action mechanism; there are two pedals, the corresponding ends of which are hinged to one end of the top of the base plate. The base plate is also provided with a vertical bar, which is located between the two pedals. A through slot is provided at the top of the vertical bar, with the two ends of the through slot facing the corresponding pedals respectively. Two L-shaped guide slots passing through the through slot are mirrored on one side of the vertical bar. The single-action mechanism is arranged in the corresponding through-groove and can lock the position of the other pedal when one pedal moves; the single-action mechanism includes two horizontally arranged positioning plates that can move along the corresponding L-shaped guide groove track, a limit plate that cooperates with the positioning plates is arranged on the top of the vertical bar, and a positioning plate is also provided on each pedal, and the positioning plate is located between the corresponding positioning plate and the limit plate; Two sliding cylinders are hingedly connected to each base plate, with the open end of the sliding cylinder facing away from the base plate. A sliding disk is slidably arranged in each sliding cylinder, and a guide rod is provided at the center of each sliding disk. The end of each guide rod away from the sliding disk is hinged to the side of the corresponding pedal close to the base plate. A return spring is also provided in each sliding cylinder, and the return spring is located between the corresponding sliding disk and the inner wall of the bottom of the sliding cylinder; A sealing ring is also provided at the open end of each sliding cylinder, a guide rod is slidingly arranged inside the sealing ring, the interior of the sliding cylinder is filled with a buffer, and two conical guide holes are mirror-imaged on the sliding disk; Each sliding disk is also provided with a locking mechanism capable of locking the position of the sliding disk.

2. The dental chair integrated with a laser therapy device according to claim 1, characterized in that: The single-action mechanism also includes an upper spring and an electric push rod; Each positioning plate is provided with moving blocks on both sides along the length direction. The moving blocks can be slidably set in the corresponding L-shaped guide groove. An upper spring is mirrored at the bottom of each positioning plate. Mounting plates are respectively provided at both ends of the through-groove. An electric push rod is provided on each mounting plate. A blocking block is provided at one end of each electric push rod facing the center of the through-groove. A blocking slot that cooperates with the blocking block is provided at the bottom of each positioning plate.

3. The dental chair integrated with a laser therapy device according to claim 1, characterized in that: Each locking mechanism includes a drive motor, a rotating disk and a pressure ring; A motor compartment is provided at the center of the sliding disk, the drive motor is provided in the motor compartment, the motor shaft of the drive motor extends out of the motor compartment and is provided with a rotating disk, and an avoidance hole for avoiding the tapered guide hole is provided on the rotating disk; A line groove connected to the motor compartment is set inside the guide rod. The pressure ring is coaxially arranged with the sliding disk and contacts the corresponding return spring. The pressure ring and the sliding disk are connected to each other through two pressure sensors. An arc-shaped avoidance groove for avoiding the pressure sensor is set in a mirror image on the rotating disk.

4. The dental chair integrated with a laser therapy device according to claim 1, characterized in that: A protective shell is also provided on the bottom plate.

5. The dental chair integrated with a laser therapy device according to claim 1, characterized in that: The pedals are also equipped with anti-slip grooves.

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