JP2020099503A - Dental treatment unit - Google Patents

Abstract

To provide a dental treatment unit that achieves space-saving of a consulting room, and satisfies a load capacity necessary for medical instruments.SOLUTION: A dental treatment unit includes a dental treatment chair capable of being arranged in the side of a spittoon. The dental treatment chair includes: a chair base part 20 removably constituted to the dental treatment unit; a chair traveling part (exemplified in a wheel 27) provided at the chair base part, and traveling on a road surface; a unit connection part (exemplified in an electrode socket 22) electrically connected to the dental treatment unit; a sheet part lifted and lowered to the chair base part by electric power supplied through the dental treatment unit; and a jack part 30 for lifting the chair traveling part and separating it from the road surface.SELECTED DRAWING: Figure 5

Description

The present invention relates to a dental care unit, and more particularly to a dental care unit having a dental care chair that can be located laterally of a spittoon.

In a dental clinic, a small wheelchair owned by the clinic may be used when examining a patient with a lameness. The patient transfers to a consultation room by transferring to a small wheelchair in a waiting room in the clinic. In the examination room, transfer from the wheelchair to the dental treatment chair. Thus, the patient has the annoyance of having to transfer to a small wheelchair and then to the dental chair. Therefore, for example, Patent Document 1 discloses a structure in which a medical examination can be performed in a medical examination room while being in a wheelchair.

JP, 9-94274, A

However, in the structure described in Patent Document 1, a dedicated space for disposing a wheelchair is additionally required in the examination room on the back side of the dental treatment chair for healthy people. Further, during treatment, a large load is applied to the seat portion of the wheelchair, and this load is supported by the wheel of the wheelchair, so that this wheelchair cannot satisfy the withstand load required for the medical device.

The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to provide a dental treatment unit that saves space in an examination room and satisfies a withstand load required for a medical device.

In order to solve the above-mentioned problems, the invention of claim 1 is a dental treatment unit including a dental treatment chair that can be arranged on the side of a spittoon, and the dental treatment chair is attachable to and detachable from the dental treatment unit. A chair base portion configured as described above, a chair traveling portion provided on the chair base portion and traveling on a road surface, a unit connection portion electrically connected to the dental treatment unit, and a supply via the dental treatment unit. And a jack portion that lifts the chair traveling portion and separates it from the road surface by the generated electric power.

According to a second aspect of the present invention, in the first aspect of the present invention, the jack portion lifts the chair running portion when the chair base portion is arranged at a predetermined position, and the unit connecting portion is connected to the dental treatment unit. It is characterized by being electrically connected to.

According to a third aspect of the present invention, in the first or second aspect of the invention, the chair running portion is configured to be capable of self-propelled on the road surface by electric power from a battery mounted on the dental treatment chair. Is.

A fourth aspect of the present invention is characterized in that, in any one of the first to third aspects of the present invention, the seat portion is configured to be tiltable with respect to the chair base portion.

According to a fifth aspect of the invention, in the invention of any one of the first to fourth aspects, the seat portion is capable of rotating 180° in a horizontal direction about an axis extending in a substantially vertical direction with respect to the chair base portion. It is characterized by being configured.

According to the invention, the dental treatment unit comprises a wheelchair-type dental treatment chair. The dental treatment chair is configured to be attachable to and detachable from the dental treatment unit, and can be arranged on the side of the spittoon. This can save space in the examination room. In addition, the number of times the patient transfers can be reduced as much as possible. Further, since the seat portion is moved up and down by the electric power from the dental treatment unit, the patient can be moved to the medical treatment height required by the operator during medical treatment. Since the jack portion can continue to support the load applied to the seat portion during treatment, it is possible to satisfy the withstand load required for the medical device. Therefore, it is possible to provide a dental treatment unit for treating a patient with a disability in a stable posture.

It is a perspective view explaining the dental treatment unit which mounts the dental treatment chair of one embodiment of the present invention. It is a functional block diagram of a dental treatment unit. It is a block diagram of a pedestal part. It is a block diagram of a jack part. It is a figure explaining attachment to a dental treatment unit. It is a block diagram of a tilt mechanism. It is a top view of a dental treatment unit.

Hereinafter, the dental treatment unit of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view illustrating a dental treatment unit equipped with a dental treatment chair according to an embodiment of the present invention. 2 is a functional block diagram of the dental treatment unit, and FIG. 3 is a configuration diagram of the pedestal portion. Further, FIG. 4 is a configuration diagram of the jack portion, and FIG. 5 is a diagram illustrating attachment to the dental treatment unit.

As shown in FIG. 1, the dental treatment unit 1 has a spittoon 2, and a dental treatment chair 5 is arranged on the side of the spittoon 2. Although illustration is omitted, the dental treatment unit 1 includes a surgical treatment lamp, a work table for holding various dental instruments, a foot switch, and the like around the dental treatment chair 5.
The spittoon 2 is driven by the electric power from the commercial power supply supplied to the dental treatment unit 1, for example. A plate-shaped unit base portion 3 extends from the lower side of the spitton 2 toward the side of the spitton 2, and an electrode plug 4 described later with reference to FIG. 5 is provided on the lower surface of the unit base portion 3.

The dental treatment chair 5 is configured to be attachable to and detachable from the unit base portion 3. Further, the dental treatment chair 5 is a wheelchair type and can run on the road surface. In this way, since the wheelchair-type dental treatment chair 5 can be arranged on the side of the spittoon 2, space saving of the examination room can be achieved as compared with the conventional case.
The dental treatment chair 5 has, for example, a box-shaped pedestal portion 10, and wheels 27 of a chair running portion 23 are provided at the lower end of the pedestal portion 10.

A seat portion 11 is provided above the pedestal portion 10. The seat portion 11 has a contour seat 17 arranged in the horizontal direction with respect to the road surface. A backrest 13 and a headrest 12 are provided behind the contour sheet 17. The headrest 12 is housed in a housing portion 14 in which the upper end of the backrest 13 is recessed downward. Thereby, the dental treatment chair 5 can be made compact. The headrest 12 can be raised and lowered with respect to the backrest 13 manually, for example.

An armrest 16 is provided on the side of the backrest 13. Behind the backrest 13, for example, a handle 15 used when an assistant pushes or pulls the dental treatment chair 5 is provided. The handle 15 can be housed in the back surface of the backrest 13, for example.
A leg rest 18 is provided in front of the contour sheet 17. The leg rest 18 of the present embodiment is formed so short that it does not reach the lower end of the pedestal portion 10, and no step is provided in front of the leg rest 18. This also contributes to downsizing of the dental treatment chair 5. Note that steps may be provided as needed.

The seat portion 11 can be moved up and down with respect to the pedestal portion 10 and is operated by the driving force of the lifting motor 40 shown in FIG. As a result, when entering or leaving the examination room, the patient can be moved to the lowest position for safety, and at the time of treatment, the patient can be moved to the medical treatment height required by the operator.
Further, the seat portion 11 can be tilted with respect to the pedestal portion 10, and can be tilted, for example, about 5° forward (also referred to as front tilt) by the driving force of the tilting motor 51 shown in FIG. The seat portion 11 can also be tilted rearward (also referred to as rear tilt) so as to match the posture of the patient with a round back. Thereafter, the tilt can also be operated by the driving force of the tilt motor 51.

The elevating motor 40 and the tilting motor 51 are driven by electric power from a commercial power supply supplied to the dental treatment unit 1, and are controlled by a signal from a control unit 60 provided in the dental treatment chair 5, for example. The control unit 60 includes a CPU, a memory, and the like, and loads various programs and data stored in, for example, the ROM of the memory into the RAM, and executes the various programs to control the operation of the dental treatment chair 5. it can.

As shown in FIG. 3, the pedestal portion 10 has a plate-shaped chair base portion 20. Wheels 27 are arranged at the four corners of the chair base portion 20, respectively. The wheel 27 is connected to the axle 26, and the axle 26 is rotatably supported by the chair base portion 20.
The dental treatment chair 5 can be switched between, for example, a self-propelled mode and an assistance mode. When the self-propelled mode is set, the chair traveling unit 23 operates by the driving force of the traveling motor 24. A belt 25 is wound around a gear (not shown) of the traveling motor 24 and an axle 26. The traveling motor 24 is driven by the electric power from the battery 21 mounted on the chair base portion 20. The traveling motor 24 is also controlled by a signal from the control unit 60. When the self-propelled mode is set, the clinic may be configured to recognize a white line installed from the waiting room to the consultation room and run on the white line.

Further, for example, an accelerator lever (not shown) is provided near the armrest 16 or the handle 15 of the backrest 13. When the patient or the caregiver pushes the accelerator lever, the traveling motor 24 is driven, the wheels 27 rotate, and the dental treatment chair 5 moves forward. In this way, if the dental treatment chair 5 is self-propelled, it is possible to easily support a moving patient.
On the other hand, when the assistance mode is set, the clutch (not shown) is used to disconnect the traveling motor 24 from the axle 26. In this case, when an assistant standing on the back side of the backrest 13 grabs the handle 15 and pushes the dental treatment chair 5, the wheels 27 rotate and the dental treatment chair 5 advances.

As shown in FIG. 3, a tank 36 is provided, for example, in the center of the chair base 20. In the tank 36, for example, a tank chamber having a rectangular shape in plan view is fixed to a central portion of a base having a substantially circular shape in plan view, and oil used for lifting the dental treatment chair 5 is stored in the tank chamber. It is stored. A pump case 44 is fixed on the tank 36. In the pump case 44, for example, an oil introduction chamber having a substantially circular shape in plan view is fixed to a central portion of a leg portion extending in the front-rear direction of the chair base portion 20. The tank 36 and the pump case 44 are connected by an oil flow path.

A ram 45 is provided at the center of the pump case 44. The ram 45 is configured to be movable in the vertical direction with respect to the pump case 44, and the seat portion 11 is provided above the ram 45.
As shown in FIG. 2, a pump 41, a solenoid valve 42, and a damper 43 are provided in the oil flow path from the tank 36 to the pump case 44. When the electromagnetic valve 42 is opened and the pump 41 is driven by the lifting motor 40, the oil in the tank 36 is sent into the pump case 44 at a predetermined pressure and is added to the ram 45. As a result, the ram 45 rises and the seat portion 11 rises.

On the other hand, an electromagnetic valve 46 and a damper 47 are provided in the oil flow path from the pump case 44 to the tank 36. When the solenoid valve 46 is opened, the oil in the pump case 44 is pushed downward by the weight of the seat portion 11. The oil discharged from the pump case 44 passes through the electromagnetic valve 46 and the damper 47 and is returned to the tank 36.

The seat portion 11 may be rotatable 180° in the horizontal direction about an axis extending along a substantially vertical direction (a vertical direction of the seat portion 11) with respect to the pedestal portion 10.
In this case, the seat portion 11 operates by the driving force of the rotation motor 37. The rotation motor 37 is provided, for example, at the end of the base of the tank 36 described with reference to FIG. A rack 39, which is curved in a concave shape toward the tank 36, is installed in the chair base portion 20, and meshes with a gear (not shown) provided at the tip of the rotation motor 37. The rotation motor 37 is driven by the electric power from the battery 21 provided in the chair base portion 20, for example. The rotation motor 37 is also controlled by a signal from the control unit 60.

An electrode socket 22 is provided at the front end of the chair base portion 20, for example. The electrode socket 22 corresponds to the unit connecting portion of the present invention. The electrode socket 22 is provided so as to open upward, for example, and can be electrically connected to the electrode plug 4 formed downward, for example, in the unit base portion 3. When the electrode plug 4 and the electrode socket 22 are connected, the electric power from the commercial power source supplied to the dental treatment unit 1 can be supplied to the dental treatment chair 5.

Further, as shown in FIG. 3, the chair base portion 20 is provided with a jack portion 30 near the wheels 27. The jack portion 30 has a total of four fixed pads 31, and one jack pad 30 is arranged near each wheel 27.
Explaining one fixing pad 31 as an example, as shown in FIG. 4, the fixing pad 31 is composed of a large diameter portion and a small diameter portion, and the small diameter portion is provided on the surface of the chair base portion 20 downward. To be The small diameter portion of the fixed pad 31 is inserted into, for example, a through hole that penetrates the front surface and the back surface of the chair base portion 20, and the tip surface of this small diameter portion faces the road surface R.

The spring 32 is arranged outside the small diameter portion of the fixed pad 31, and is sandwiched between the large diameter portion of the fixed pad 31 and the surface of the chair base portion 20. The large diameter portion of the fixed pad 31 is connected to one end of the link mechanism 33, and the pedal 35 is provided at the other end of the link mechanism 33. The link mechanism 33 is supported by, for example, a columnar portion that is erected on the surface of the chair base portion 20.

The dental treatment chair 5 is arranged on the side of the spittoon, and as shown in FIG. 5A, for example, the electrode socket 22 of the chair base portion 20 is arranged below the electrode plug 4 of the unit base portion 3.
When the pedal 35 is stepped downward, the link mechanism 33 pushes the fixed pad 31 downward, so that the fixed pad 31 moves downward against the biasing force of the spring 32. When the fixing pad 31 comes into contact with the road surface R, the chair base portion 20 is lifted up together with the wheels 27 and the wheels 27 are separated from the road surface R, as shown in FIG. 5B. As a result, the fixed pad 31 can support the load applied to the seat portion 11 during treatment. The jack section 30 can be used not only in the medical office but also in the waiting room or outside the clinic.

Further, as shown in FIG. 5B, when the fixed pad 31 moves downward and comes into contact with the road surface R, the electrode socket 22 of the chair base portion 20 is also lifted, and the electrode socket 22 becomes the electrode plug 4 of the unit base portion 3. Connect to. Thereby, the lifting motor 40 and the tilting motor 51 can be driven by the electric power from the commercial power supply supplied to the dental treatment unit 1. Further, the battery 21 is also charged with the electric power from the commercial power supply supplied to the dental treatment unit 1. As described above, when the wheel 27 is lifted by the fixed pad 31, the dental treatment chair 5 is electrically connected to the dental treatment unit 1, so that the labor for manual connection can be omitted.

FIG. 6 is a configuration diagram of the tilt mechanism.
The tilt mechanism is provided between the ram 45 and the contour sheet 17. As shown in FIG. 6A, a fixed block 50 is arranged on the upper end of the ram 45, and an inclined block 53 is provided on the fixed block 50. The contour sheet 17 is installed on the inclined block 53 via the fixing plate 56.

The tilt block 53 is configured to be tiltable with respect to the fixed block 50. More specifically, the tilting motor 51 is installed in the fixed block 50, as shown in FIG. 6B corresponding to the sectional view taken along the line BB of FIG. 6A. On the other hand, at the lower end of the tilt block 53, for example, a rack 54 that is curved downward in a convex shape is installed and meshes with the gear 52 of the tilt motor 51.

Further, in the vicinity of the peripheral surface of the fixed block 50, similarly to the rack 54, a rail curved downward in a convex shape is provided, and a cam follower 55 rotatably supported by the inclined block 53 is provided along the rail. To move. Three cam followers 55 are provided on each of the left side and the right side of the contour sheet 17. A detent (not shown) that covers the cam follower 55 may be provided outside the cam follower 55.

When the tilting motor 51 rotates in a predetermined direction and the tilt block 53 retracts with respect to the fixed block 50, the contour sheet 17 tilts forward (front tilt). On the other hand, when the tilt motor 51 rotates in the opposite direction and the tilt block 53 moves forward with respect to the fixed block 50, the contour sheet 17 tilts backward (rear tilt). In this way, if the seat portion 11 can be tilted, the patient can be arranged at a position where it is easier to treat the patient.

The positions of the pedal 35 and the fixed pad 31 that have moved downward as described with reference to FIG. 5B are held by the ratchet 34. After that, when the pedal 35 is stepped on again, the ratchet 34 is released, so that the fixed pad 31 is moved upward by the urging force of the spring 32 and separated from the road surface R. As a result, the chair base portion 20 descends together with the wheels 27, and the wheels 27 come into contact with the road surface R. At the same time, the electrode socket 22 is detached from the electrode plug 4. Therefore, the dental treatment chair 5 can run away from the dental treatment unit 1.

FIG. 7 is a plan view of the dental treatment unit.
When entering the examination room, the dental treatment chair 5 enters the room with the legrest 18 at the front, is connected to the unit base portion 3, and is arranged on the side of the spitton 2 (right side in FIG. 7).
On the other hand, as described above, when the seat portion 11 can be rotated 180° with respect to the pedestal portion 10, when moving from the dental treatment unit to the X-ray room or leaving the examination room, two points are shown in FIG. Like the dental treatment chair 5 shown by the chain line, the headrest 12 is at the front and moves from the side of the spittoon 2 to the rear, but like the dental treatment chair 5 shown by the solid line in FIG. Therefore, the dental treatment chair 5 can be moved to the X-ray room or can leave with the legrest 18 at the front.

In this way, if the seat portion 11 can be turned 180°, the dental treatment chair 5 can return in a direction opposite to the direction toward the dental treatment unit 1 when going away from the dental treatment unit 1. it can. Therefore, the space required for the examination room can be further reduced.

In the above embodiment, the rotation motor 37 is described as an example in which it is driven by the electric power from the battery 21 provided in the chair base portion 20. However, the invention is not limited to this example. For example, in the state where the dental treatment chair 5 is connected to the unit base portion 3 of the dental treatment unit 1, if the seat portion 11 can swivel without colliding with the spitton or the like, the rotation motor 37 is attached to the dental treatment unit 1. It is driven by the supplied commercial power. In this case, the consumption of the battery 21 is small.

Further, according to the compact wheelchair-type dental treatment chair 5 as described above, the number of times the patient transfers can be reduced as much as possible.
Specifically, when the patient is placed on the dental treatment chair 5 at the patient's home and the patient is placed on the vehicle with the dental treatment chair 5 headed to the dental clinic, the patient is placed on the dental treatment chair 5 in the parking lot of the clinic. You can take it off the vehicle and go straight to the clinic. Then, even in the doctor's office, it is possible to place the wheelchair directly to the examination room and to the side of the Spitton 2 without changing to another wheelchair in the waiting room. In this case, the number of times the patient transfers can be reduced to one at the patient's home.

In addition, the compact wheelchair-type dental treatment chair 5 as described above can be used not only inside and outside the clinic but also in a disaster area or a marginal village. A marginal village is a village in which 50% or more of the population of the village is over 65 years old, and maintaining the function as a village is approaching the limit.
Specifically, if a vehicle equipped with the dental treatment unit 1 is visited to a disaster area or a marginal village, the dental treatment chair 5 is removed from the vehicle, and a patient is put on the vehicle and brought to the vehicle, treatment can be performed by the vehicle. In this case, the lifting motor 40 and the like are driven by the electric power from the battery of the vehicle, for example.

1... Dental treatment unit, 2... Spitton, 3... Unit base part, 4... Electrode plug, 5... Dental treatment chair, 10... Pedestal part, 11... Seat part, 12... Headrest, 13... Backrest, 14... Housing part , 15... Handle, 16... Armrest, 17... Contour seat, 18... Legrest, 20... Chair base part, 21... Battery, 22... Electrode socket, 23... Chair running part, 24... Running motor, 25... Belt , 26...axle, 27...wheel, 30...jack part, 31...fixing pad, 32...spring, 33...link mechanism, 34...ratchet, 35...pedal, 36...tank, 37...rotation motor, 39...rack, 40... Lifting motor, 41... Pump, 42, 46... Solenoid valve, 43, 47... Damper, 44... Pump case, 45... Ram, 50... Fixed block, 51... Tilt motor, 52... Gear, 53... Tilt Blocks, 54... Racks, 55... Cam followers, 56... Fixed plates, 60... Control section.

Claims (5)

A dental care unit comprising a dental care chair that can be placed on the side of a spittoon,
The dental treatment chair is
A chair base portion configured to be removable from the dental treatment unit,
A chair running part provided on the chair base part and running on a road surface;
A unit connection electrically connected to the dental treatment unit,
By a power supplied through the dental treatment unit, a seat portion that moves up and down with respect to the chair base portion,
A jack part that lifts the chair running part and separates it from the road surface,
A dental treatment unit comprising: 2. The jack part lifts the chair running part to electrically connect the unit connecting part to the dental treatment unit when the chair base part is arranged at a predetermined position. Dental treatment unit according to. The dental treatment unit according to claim 1 or 2, wherein the chair running unit is configured to be able to travel on the road surface by electric power from a battery mounted on the dental treatment chair. The dental treatment unit according to any one of claims 1 to 3, wherein the seat portion is configured to be tiltable with respect to the chair base portion. The seat portion is configured to be rotatable 180° in a horizontal direction about an axis extending in a substantially vertical direction with respect to the chair base portion, according to any one of claims 1 to 4. Dental care unit.