JPH025951A - Instrument unit holder for dental therapy - Google Patents

Abstract

PURPOSE:To carry out the precise work according to the demand in the work for tooth cut, etc., by allowing a movable hose to be introduced in and out smoothly in any direction by the guide by the bevel-shaped rollers opposed in the longitudinal direction in a U-figure-shaped instrument hanger or by the guide by the guide rollers in the lateral direction. CONSTITUTION:A dental instrument A is placed in stable manners onto a U- figure-shaped instrument hanger 2, set on the bevel-shaped rollers 6 and 6 and guide rollers 7 and 7, keeping the top edge forward (X direction). Therefore, when the dental instrument A is taken out, a movable hose B joined with the instrument A passes between the guide rollers 7 and 7, and when pulled out or pulled back in the longitudinal (X) direction, said movable hose B is guided smoothly by the bevel-shaped rollers 6 and 6, while when pulled out, or pulled back in the lateral (Y-Y') direction, the movable hose B is introduced smoothly in any direction, guided by the guide rollers 7 7 and 7. Further, a microswitch 9 is installed at a proper position at the top edge of a bracket 10, and the reverse surface of a contact part 22 presses the microswitch 9 on closure contact, and the placing of the dental instrument A is detected.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention relates to a dental instrument unit holder, and 5: a dental instrument unit holder is constructed by arranging a plurality of dental instruments in parallel. Particularly, the present invention relates to a fJi T4 Ill instrument unit holder that can smoothly pull out and pull back a movable pose to which an instrument is tied during dental treatment, and that is easy to assemble.

(Prior Art) Conventionally, in the 1st floor of Kinkashina, a plate-shaped dental instrument boulder was fixed to the side of the treatment chair and made it easy to place and take out the 1R medical instruments 1~.
is used.

For example, as shown in Japanese Utility Model Application Publication No. 60-27913, a plurality of independent unit holders are horizontally fixed side by side to form a plate-shaped holder, and each unit holder is provided with a movable pose guide. Vertical 1: A version with a JJ opening is known.

(Problem to be solved by the invention) The instrument unit Y T-holder in the previous example has teeth f9
Since it is easy to put in and take out the U of the 1st river instrument, it has excellent workability. However, during dental treatment, the movable hose can be smoothly pulled out and pulled back in all directions together with the dental instrument, and when the instrument is removed, it automatically and reliably starts rotating, etc. However, a dental instrument unit holder that stops operating when placed has not yet been provided.

(Means and Embodiments for Solving the Problems) In order to solve the above problems, the present inventor has made extensive research and has developed a plate-shaped dental instrument holder by fixing a plurality of instruments side by side in the horizontal direction. This is an independent unit holder that makes it possible to smoothly pull out and pull back the movable hose together with the dental instrument during dental treatment in any direction, and it is easy to assemble and easy to remove the instrument. We have developed a dental/instrument unit holder that starts operating automatically and without malfunction when the device is placed on the device, and starts and stops when the device is placed on the device.

That is, the present invention provides the cut vertical groove 4 of the hanger frame 3.
A U-shaped instrument hanger 2, on which a dental instrument A connected to a movable hose B is placed, is provided so as to be freely openable. Bearing hole 5' of the mentohanger support shaft
A pair of umbrella-shaped rollers 6 are rotatably supported at the tips of the U-shaped instrument hanger 2 in opposition to each other.
A pair of guide rollers 7 along the longitudinal grooves are rotatably provided on both sides of the 181'4 instrument A is placed on or removed from the U-shaped instrument hanger 2 and/or the hanger frame 3. This is an instrument unit holder for tooth v:+, characterized in that it is provided with a detection device that detects this. The present invention will be explained below with reference to the drawings. 1st [N is a vertical sectional side view of the instrument unit holder used in Embodiment 1 of the present invention;
2 is a plan view, and FIG. 3 is a cross-sectional view taken along line 1-1 in FIG. 1.

In the figure, 1 is a dental instrument unit holder, 2 is a U-shaped instrument hanger, 3 is a hanger frame, 4 is a vertical groove, 5 is a spindle, 6 is an umbrella-shaped roller, 7 is a guide roller, and 8 is a Spring, 9 is micro switch, 1
1 is a proximity switch, A is an IFI f:i instrument, and B is a movable hose.

The dental instrument unit holder 1 according to the embodiment of the present invention has a rectangular symmetrical shape with the vertical axis (X-X' axis) as the center as shown in FIG. A plate-shaped dental instrument holder is constructed by juxtaposing and fixing them in the Y-Y' direction.

The dental instrument unit boulder 1 is composed of a hanger frame 3 and an instrument hanger 2 that is U-shaped in plan view. It is inserted and held in the longitudinal groove 4. That is, by pulling the front of the U-shaped instrument hanger 2 outward with your fingers, you can
AC can be expanded, and the interval C can be reduced by compressing it with fingers, so when inserting it into the longitudinal groove 4, do so while compressing it.

Note that a dental instrument A such as an air turbine handpiece or a micromotor handpiece is placed on the U-shaped instrument hanger 2.

The longitudinal groove 4 of the hanger frame 3 is surrounded by a side wall 3 (FIG. 3). A step portion 32 is provided to protrude from the end of the longitudinal groove 4, and comes into contact with the contact portion 22 when the f&f4 instrument hanger 2 is closed.

A plurality of flits are provided in the extending portion of the side wall 31 of the hanger frame 3.
A square hole 33 for assembling a plate-shaped dental instrument holder by juxtaposing and fixing the dental instrument 1 to the instrument unit polder 1 is provided to pass through in the lateral (YY') direction.

Further, bearing holes 5', 5' are bored at both front ends of the side wall 31, and the support holes 5' for the U-shaped instrument hanger 2 are provided.
+b5,5 is supported.

A pair of umbrella-shaped rollers 6.6 are rotatably provided at the tip of the U-shaped instrument hanger 2 in close proximity to each other via a support shaft 5.5.

The U-shaped instrument hanger 2 is attached to the support shaft 5.5.
and an umbrella-shaped roller 6.6 and a pair of opening/closing pivots 21 at the tip.
．． 21, a rear end contact portion 22, a pair of connecting shafts 23.23 connecting the intermediate pivot portion 21 and the contact portion 22, and a guide roller 7.7. It is rotatably fitted onto the connecting shaft 23.23.

In this case, it is preferable that the connecting shafts 23, 23 are made of an elastic material such as metal (iron, copper, aluminum, etc.) or plastic. Due to its elasticity, (J-shaped insula)
- The distance C between the lumen hangers 2 can be expanded and contracted with fingers to open and close them freely.

Further, the pair of guide rollers 7.7 are arranged with a distance C that allows the movable hose B to pass through and slide.

As shown in Fig. 1, the dental instruments 1 to A are placed on the umbrella roller 6.6 and the guide roller 7.7F with their tips facing forward (X direction) and stabilized on the U-shaped instrument hanger 2. and placed a.

Therefore, when taking out the instrument A for t# f14, the movable hose B connected to it passes between the guide rollers 7.7, but when pulled out in the longitudinal (X) direction and pulled back, the movable hose B connected to it passes through the umbrella roller 66. The movable hose B is smoothly guided by the guide rollers 7.7 when pulled out laterally (in the Y-Y1 direction, and when pulled back), and the movable hose B is smoothly guided in and out in any direction.

Note that the instrument hanger 2 opens and closes with the support shaft 55 as the center of rotation.

Therefore, when assembling the U-shaped instrument hanger 2, first the pivot parts 21, 2
], Pinch it with a 1000-degree handle and pull it outward to widen the gap C, insert the movable hose B connected to the f&f4 instrument l-A from between the umbrella-shaped rollers 6.6,
Next, while compressing and reducing the interval C, the hanger frame 3 [
By placing a U-shaped instrument hanger in the long groove 11, the support shafts 5, 5 are fitted into the bearing holes 5°, 5'.

10 is a bracket fixed to the edge of the stepped portion 32,
A spring 8 is interposed between the upper surface of the bracket 10 and the lower surface of the contact portion 22.

The spring 8 connects the character 6 to the instrument 1 to hanger 2 and the instrument A for +1 to R'f! -1, the contact part 22 closes with the step part 32 due to its weight, and when the instrument l-A is taken out, the contact part 22 closes with the step part 3.
Be biased apart from 2.

FIG. 1 illustrates the closed state. Also, Burakeso 1-1
A microswitch 9 is provided at the appropriate position at the tip of the 0.
When there is no closed contact, the back surface of the contact portion 22 presses the microswitch 9, and it is detected that the dental instrument A is placed. When the microswitch 9 detects the placement, the operation of the instrument A is automatically stopped. Conversely, when opened, the microswitch 9 is released and f&f
Detects that instrument A for 4 is removed. When the microswitch 9 detects the removal, the gear movement of the instrument A automatically starts.

In addition, proximity switches 11, 11 are provided at both ends of the hanger frame 3.
may be provided to detect an object D (for example, a ferromagnetic metal) mounted on the toothed instrument A. That is, the proximity switch L1.
, 1. 1 is instrument l-A in position a7
It will be detected only when it is 1.

For example, if the instrument A is placed unstablely in the opposite direction on the instrument hanger 2, the proximity switch 11. 11 does not detect the R position.

In the embodiment of the present invention, the microswitch 9 and/or the proximity switch 11.11 can be used to detect placement or removal of the instrument +-A from both the weight and/or position. If it is used and detected, malfunctions of the dental instrument A can be completely prevented.

Further, when placement or removal is detected, a signal rung can be displayed. In addition, in this embodiment, detection +A
Although a microswitch and a proximity switch are used as a device, various switches such as a reed switch and a photodetection switch can also be used.

(Effects of the Invention) The present invention is as explained above, and therefore, the present invention has the following effects.

(1) The movable hose connected to the dental instrument is guided in the U-shaped instrument hanger by opposing umbrella rollers in the longitudinal direction and by guide rollers in the lateral direction, so that it can be moved in either direction. Since it is smoothly introduced and taken out, there is extremely little resistance to the dentist's fingers during operations such as tooth cutting, allowing the dentist to perform precise operations as desired.

Furthermore, since the movable hose can be smoothly introduced and taken out, there is no risk that large contact resistance will be applied and the opening/closing of the U-shaped instrument hanger will be disrupted, causing the switch to malfunction.

(2) Since the U-shaped instrument hanger can be opened and closed by expanding or contracting the gap at its tip due to its elasticity, when installing the hanger frame, insert it with the gap reduced and release its contraction force. This can be easily carried out by inserting the support shaft into the bearing hole. In addition, the movable hose connected to the dental instrument I can be easily inserted into and removed from the space between the U-shaped instrument hangers by taking the U-shaped instrument hanger outside, expanding it, and restoring it. can.

(3) When a dental instrument is placed, it automatically and reliably stops its rotation, etc., and starts operating when it is removed, so there is no malfunction, and it is safe and energy-saving. .

[Brief explanation of the drawing]

1 is a vertical sectional side view of an instrument unit boulder according to an embodiment of the present invention, FIG. 2 is a plan view, and FIG. 3 is a cross sectional view taken along line I-1 in FIG. 1. In the figure: ■ Dental instrument unit holder 2 = U-shaped instrument hanger 3: Hanger frame 4, vertical groove 5, support shaft 5'': Bearing hole 6, umbrella-shaped roller 7: Guide roller 8 spring
9: Micro switch 11: Proximity switch A: f# departmental instrument B/movable hose X': Vertical center line Y'/horizontal direction

Claims (2)

[Claims] (1) A U-shaped instrument hanger 2, on which a dental instrument A connected to a movable hose B is mounted, is provided in the longitudinal groove 4 cut out in the hanger frame 3 so as to be openable and closable;
A bearing hole 5' for a U-shaped instrument hanger support shaft is provided on both opposing walls of the longitudinal groove at the front of the hanger frame 3, and a pair of umbrellas are provided at the tip of the U-shaped instrument hanger 2 in opposite directions. A pair of guide rollers 7 are rotatably provided along the longitudinal grooves on both sides of the U-shaped instrument hanger 2, and a pair of guide rollers 7 are rotatably supported on both sides of the U-shaped instrument hanger 2. 1. A dental instrument unit holder characterized in that a detection device is provided for detecting that a dental instrument A is placed on or removed from the hanger frame 2 and/or the hanger frame 3. (2) A spring 8 is interposed between the U-shaped instrument hanger 2 and the hanger frame 3, which is biased so that the dental instrument A is brought into close contact when placed thereon, and opened when the dental instrument A is taken out. The dental instrument unit holder according to claim 1, characterized in that: (3) The dental instrument unit holder according to claim 1 or 2, wherein the detection device is a microswitch and/or a proximity switch.