JP4911448B2 - Dental treatment unit - Google Patents

Description

  The present invention relates to a dental treatment unit, and more specifically, in dental treatment, a terminal of an instrument hose that is detachably attached to a dental unit main body in a one-touch manner and supplies water, air, electricity, etc. to a dental treatment handpiece In particular, when there are a plurality of connection terminals on the dental unit main body side, a desired instrument hose can be connected to a desired connection terminal on the dental unit main body side.

  FIG. 4 is an overall configuration diagram showing an example of a dental treatment unit to which the present invention is applied. In FIG. It consists of a light 4, an instrument holder 5, a foot switch 6, an assistant instrument holder 7, a handpiece (instrument) 8, an instrument hose 9, etc. The instrument holder 5 is used for dental treatment. Various handpieces such as an air turbine, a micro engine, an ultrasonic scaler, a multi-syringe, etc. are housed. As is well known, during dental treatment, a patient sits on the chair 1 and holds his head. Fix it to the Antodai and receive treatment. During the treatment, the surgeon moves the treatment chair 1 up and down, tilts up, tilts, etc. to treat the patient in a posture that allows easy treatment.

  FIG. 5 is an enlarged view for explaining an example in which the instrument hose 9 shown in FIG. 4 is detachably connected to the unit main body with one touch. In FIG. 5, 2 is a workpiece shown in FIG. In the work table corresponding to the table 2, a connection terminal 20 for detachably connecting the terminal 12 of the instrument hose 9 is provided on the lower end surface of the work table 2. 20 is connected to the terminal 12 of the instrument hose 9 by one-touch formation, and the water circuit, air circuit, electric circuit, etc. on the dental treatment unit 10 side are connected to the water circuit, air circuit, electric circuit, etc. on the handpiece 8 side. The desired dental treatment is performed. In addition, although the example which provided the connection terminal 20 in the lower end surface of the work table 2 was shown in the figure, this connection terminal 20 is not limited to the lower end surface of a work table, The desired location on the unit side May be provided.

  In a recent dental treatment unit, as shown in FIG. 5, an instrument hose 9 has a handpiece (instrument) 8 detachably or integrally attached to one end 11 and the other end. A connection terminal 12 that is detachably connected to the connection terminal 20 is provided at the end of the terminal. The connection terminal 12 is provided with, for example, a lock member 13, and the nail of the lock member 13 is attached to and detached from a hooking hole 21 provided in the connection terminal 20, so that the instrument hose 9 is dental The instrument hose 9 can be detached from the dental treatment unit 10 and can be autoclaved (high-pressure steam sterilization).

  FIG. 5 shows an example in which a single instrument hose is connected to the work table 2. However, as shown in FIG. 9 is connected, and a handpiece 8 suitable for the instrument hose 9 is connected to the tip of each instrument hose 9 and is provided on the worktable 2 side (unit side). The connection terminal 20 and the connection terminal 12 provided on the instrument hose 9 side are in a pair relationship, and the connection terminal 20 on the work table 2 side and the connection terminal 12 on the instrument hose 9 side are fixed. Therefore, it is impossible to connect the connection terminal 12 on the instrument hose 9 side to any desired connection terminal on the work table 2 side, which is inconvenient.

  The present invention has been made to solve the above-described problems, and in particular, the connection terminal provided on the instrument hose side is connected to a plurality of connections provided on the work table (unit side) side. It can be connected to any of the terminals, so that the instrument hose to be used can be connected to any of the connection terminals installed on the unit side. In addition, when a new type of instrument is developed, the instrument hose can be replaced or added.

The invention according to claim 1 is an instrument hose having a second connection terminal detachably connected in a one-touch manner to a first connection terminal fixed on the dental unit side, and the instrument hose A unit main body having the first connection terminal to which the second connection terminal is connected, and the first connection terminal and the second connection terminal have a plurality of holes of a predetermined depth at positions facing each other. The bar is inserted into one of the plurality of holes to connect both connection terminals, and the hole through which the bar is inserted is detected to identify the instrument hose connected to the unit body. In addition, air, electricity, water and the like suitable for the handpiece connected to the instrument hose are supplied.

  According to the present invention, since the second connection terminal on the instrument hose side can be connected to any desired connection terminal among the plurality of first connection terminals provided on the unit side, An instrument hose can be connected to the most convenient connection terminal on the unit side for use, enabling efficient treatment. Alternatively, the dental treatment can be efficiently performed by selecting and connecting the unit side connection terminals arranged in the convenient locations in the order of the frequently used instruments.

FIG. 1 is a schematic configuration diagram of an essential part for explaining an embodiment of the present invention, and a work table 2 (unit side) is provided with a plurality of connection terminals 20 (20 _{1 to} 20 ₄ ) having the same configuration. The connection terminal (second connection terminal) 12 on the instrument hose 9 side is detachably connected to any desired connection terminal among the plurality of connection terminals (first connection terminal) with one touch. It has come to be. Although only one instrument hose is shown in FIG. 1, in reality, there are many types of instruments depending on the purpose of treatment, such as for air turbines, micro engines, ultrasonic scalers, etc. Mention hoses are prepared, and these can be connected to any desired connection terminal on the worktable side (unit side).

  As described above, according to the present invention, any desired connection terminal can be connected to the first connection terminal provided on the unit side and the second connection terminal provided on the instrument hose side. However, different handpieces are connected to the tip of the instrument hose 9, and the air, electricity, water, etc. supplied through the instrument hose are different for each handpiece. Is equipped with a compressed air flow path as a power source (for turbine rotation), a water circuit for handpiece cooling, a power line for illumination light source, etc., and in a micro engine, a power line as a power source (for motor drive) A water circuit for cooling (also serving as a power source for the illumination light source) is provided, and air, electricity, water, etc. suitable for the connected handpiece 8 are supplied to the instrument. Fed through Ntohosu 9.

  As described above, in the present invention, it is possible to connect any desired instrument hose with a different handpiece to each connection terminal on the unit side. Appropriate air, electricity, water, etc. need to be supplied to the instrument hose. To that end, on the unit side, an instrument hose connected to the unit side is identified, and air, electricity, water, etc. suitable for the identified instrument hose (handpiece) are supplied. There is a need.

  However, in order to supply air, electricity, water, etc. suitable for the instrument hose to the connected instrument hose, what kind of handpiece is connected to the instrument hose on the unit side. Without knowing whether the instrument hose is connected, it is impossible to supply air, electricity, water, etc. suitable for the connected instrument hose (handpiece).

In the present invention, the present invention detects on the unit side what the connected instrument hose is for (for example, for an air turbine, for a micro engine, etc.) Air, electricity, water, etc. suitable for the detected instrument hose are supplied. In FIG. 1, 30 (30 ₁ to 30 _n ) is a connection terminal (first side) on the work table side (unit side). The connection terminals) 20 (20 _{1 to} 20 _n ) have bar insertion holes 40 (40 ₁ to 40 _n ) provided on the connection terminal (second connection terminal) 12 on the instrument hose 9 side. When these connection terminals are connected to each other, the unit-side holes 30 (30 ₁ to 30 _n ) and the instrument hose-side holes 40 (40 ₁ to 40 _n ) are opposed to each other. It is established Per connection, these opposing pair of holes (e.g., 30 ₁ and 40 ₁₎ are selected and connected by inserting a bar 50 to the pair of holes.

Each hole 30 ₁ to 30 _n of the work table side connection terminals 20 ₁ to 20 _n, a sensor for detecting is provided that the bar 50 is inserted, for example, holes 30 _1, 40 ₁ bar 50 Is detected when the air turbine is connected as a handpiece, and when a bar is inserted through the holes 30 ₂ and 40 ₂ , it is detected that a micro engine is connected as a handpiece, etc. The position of the inserted pin 50 detects what kind of handpiece the connected handpiece is, and the work table side unit supplies air, electricity, water, etc. suitable for the connected instrument. Supply.

FIG. 2 is a schematic configuration diagram for explaining a reference example of the present invention (terminal portion of the connection terminal 20 on the work table side and terminal portion of the connection terminal 12 on the instrument hose side). is on an end face of the connection terminals work table side 20 (20 ₁ to 20 _n), the plurality of retractable (always protrudes as shown by a spring or the like, pressed by the connection terminal 20 retract) pin 30 ₁ to 30 _n are provided to project, the end face of the instrument hose side of the connecting terminal 12 receive the pins 30 ₁ to 30 _n so as to face the degenerate pin 30 ₁ to 30 _n Holes 40 ₁ to 40 _n are provided. Furthermore, the connection terminal 12 on the instrument hose side has a dial 60 for opening only one of these holes 40 ₁ to 40 _n and closing the other, and turning the dial 60 When one of the desired holes is selected and opened and the other is closed, when the terminals 20 and 12 are connected, the pin that opposes the opened hole is inserted into the hole as it is, but it faces the closed hole. The inserted pins are prevented from being inserted and connected in a degenerated state without being inserted into the holes. Therefore, by detecting one pin inserted into the hole, the instrument hose (type of handpiece) connected to the connection terminal on the table side can be identified, which is suitable for the handpiece. Air, electricity, water, etc. can be supplied.

  In the description related to FIG. 2, the example in which one hole is opened in the connection terminal 12 on the instrument hose side and the remaining other holes are closed has been described. The other hole may be opened to detect the blocked hole, or the structure of the connection terminal on the work table side and the structure of the connection terminal on the instrument hose side may be interchanged. It will be easy to understand.

Figure 3 is a main part schematic diagram for explaining another exemplary embodiment of the present invention, in the present embodiment, the connection terminals of the work table side 20 (20 ₁ ~20 _n) is the end face outer peripheral portion discretely a plurality of recesses 32 ₁ to 32 _n, 1 single convex on the end face outer peripheral portion of the instrument hose side of the connecting terminal 12 to selectively engage one of the recesses 20 ₁ to 20 _n The protrusion 42 is provided on the upper outer peripheral portion of the rotation ring 70 provided on the outer peripheral portion of the instrument side connection terminal 12, and by rotating the rotary ring 70, It selectively engages with one of the work table side recesses 32 _{1 to} 32 _n . Each of the recesses 32 _{1 to} 32 _n of the work table side connection terminals 20 _{1 to} 20 _n has a sensor for detecting that the projection 42 of the instrument side connection terminal 12 is engaged, Identify which recess is selected, identify the connected instrument (handpiece), and prepare to supply air, electricity and water corresponding to the identified handpiece on the worktable side. Thus, it is possible to supply air, electricity, and water corresponding to the type of handpiece connected to the worktable side connection terminal.

It is a principal part schematic block diagram for demonstrating one Example of the dental treatment unit by this invention. It is a principal part schematic block diagram for demonstrating the reference example of the dental treatment unit relevant to this invention. It is a principal part schematic block diagram for demonstrating the other reference example of the dental treatment unit relevant to this invention. It is a whole block diagram which shows an example of the dental treatment unit to which this invention is applied. FIG. 5 is an enlarged view for explaining an example in which the instrument hose shown in FIG. 4 is detachably connected to the unit main body with one touch.

Explanation of symbols

12 ... instrument side connection _{terminal, 20 (20 1 ~20 n)} ... work table-side connection terminal, 30 ₁ to 30 _n ... pin insertion hole formed in the work table side connection terminal, 31 ₁ to 31 _n ... work Degenerate pins provided on the table side connection terminals, 32 _{1 to} 32 _n ... Recesses provided on the work table side terminals, 40 ₁ to 40 _n ... Pin insertion holes provided on the instrument hose side connection terminals, 41 _1. ˜41 _n ... Pin insertion hole provided in the instrument hose side terminal, 42... Convex portion provided in the instrument hose side terminal, 50... Pin, 60. A dial for rotating the projection provided on the connection hose side connection terminal.

Claims (1)

An instrument hose having a second connection terminal that is detachably connected to the first connection terminal fixed to the dental unit side in a one-touch manner, and the second connection terminal of the instrument hose is connected A unit main body having the first connection terminal, wherein the first connection terminal and the second connection terminal have a plurality of holes of a predetermined depth at positions facing each other. A bar is inserted into one of the holes to connect the two connection terminals, a hole through which the bar is inserted is detected, an instrument hose connected to the unit body is identified , and the instrument hose A dental treatment unit characterized by supplying air, electricity, water, etc. suitable for the handpiece connected to the.

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