JPH07262802A - Lighting system for medical care - Google Patents

Abstract

PURPOSE:To provide a lighting system for medical care in which a cover body and the inside of the system can be cleaned easily, by making the cover body installed in the lighting system for medical care, allowable to mount and demount, and changeable. CONSTITUTION:To a lighting system main body 4 which has a reflecting surface to reflect the light from a lamp 2, an explosion-proof hood composed of a frame body 6 and a cover body 7 is provided allowable to open and close, the cover body 7 is installed on the frame body 6 easily in the condition bent by hand so as to hold it surely, while the cover body 7 is removed from the frame body 6 easily so as to carry out the cleaning work of the cover body 7 and the inside of the lighting system easily. Consequently, the maintenance and management of the lighting system can be carried out easily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical lighting device called a surgical light provided in association with a dental examination table or the like.

[0002]

2. Description of the Related Art In a dental clinic, an illuminating device for illuminating a mouth of a patient is a light source realized by a halogen lamp or the like, an illuminating device main body having a reflecting surface for reflecting light from the light source, and an illuminating device. The apparatus main body includes a frame body that is provided to be angularly displaceable by a hinge, and a transparent synthetic resin cover body that fits into fitting grooves formed on the four circumferences of the frame body. The cover body is arranged on the side opposite to the reflection surface with respect to the light source, and prevents the fragments from scattering when the light source or the like is dropped or damaged.

[0003]

In such a conventional medical lighting device, since the cover body is fitted into the fitting groove of the frame body over the four circumferences, the cover body is fixed to the lighting device body with screws or the like. It is necessary to remove a part of the frame body that is attached to the cover body, which requires time and effort to attach and detach the cover body, and the inner surface of the cover body on the light source side cannot be easily cleaned to remove the attached dirt. It takes a lot of work to do. Further, since the space between the cover body and the reflecting surface of the lighting device body is narrow, it is impossible to insert a hand and the light source lamp cannot be easily replaced without removing the frame body. Moreover, if the cover body is soiled, the soiling becomes conspicuous when the light source is turned on, and the appearance is deteriorated. Further, there is a problem that the dirt attached to the cover body impedes the transmission of light rays and reduces the light quantity.

Therefore, an object of the present invention is to provide a medical lighting device in which the cover body can be easily attached to or detached from the frame body, and maintenance management such as cleaning of the cover body can be easily performed. Is to provide.

[0005]

SUMMARY OF THE INVENTION The present invention provides a light source, a lighting device main body having a reflecting surface for reflecting light from the light source, and a frame body that is openably and closably mounted on the lighting device main body. A medical lighting device, comprising: a cover body made of a material having a light-transmitting property and a light-transmitting property, and an explosion-proof hood into which the cover body is detachably fitted.

Further, according to the present invention, the frame body is formed with two fitting grooves into which both longitudinal end portions of the cover body are fitted, respectively, and the both end portions of the cover body are elastically resilient in each fitting groove. And the cover body is held by the frame body.

Further, the present invention is characterized in that the cover body is formed with a gripping piece projecting outward.

Further, the present invention is characterized in that the cover body is formed with an opening into which a finger can be inserted.

Further, the present invention is characterized in that the frame body is formed with guide projections for positioning the cover body between both ends thereof.

[0010]

According to the present invention, the light from the light source is reflected by the reflecting surface provided in the main body of the illuminating device, and the main body of the illuminating device is provided with a frame that can be opened and closed. The cover body is detachably fitted into this frame body to form an explosion-proof hood. Since the cover body is detachable from the frame body in this manner, the cover body can be easily removed from the frame body to perform maintenance management such as cleaning, and workability is improved.

Further, according to the invention, two fitting grooves are formed in the frame body, and both longitudinal ends of the cover body are fitted in the respective fitting grooves. Therefore, even if vibration is applied to the lighting device, the cover body is not likely to drop from the frame body, and safety is improved.

Further, according to the present invention, since the grasping piece is formed on the cover body, the work for attaching and detaching the cover body can be easily performed.

Further according to the invention, an opening is formed in the cover body. By inserting fingers into this opening, the cover body can be easily attached and detached.

Further, according to the present invention, the guide projection is formed on the frame body so that the cover body can be positioned and fixed at a fixed position between both ends in the longitudinal direction, and the cover body can be prevented from being displaced. .

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a medical lighting device 1 according to an embodiment of the present invention.
FIG. 2 is a plan view seen from above, and FIG. 2 is a longitudinal sectional view of the medical lighting device 1 seen from below in FIG. 1. The medical lighting device 1 of the present embodiment is basically a lamp 2 which is a light source realized by a halogen lamp, a lighting device main body 4 having a reflecting surface 3 for reflecting light from the lamp 2, and a lighting device main body. 4 around the hinge part 5 inserted at the bottom of the arrow A
It includes a frame body 6 that can be angularly displaced in the 1 and A2 directions, and a rigid resinous cover body 7 that is detachably attached to the frame body 6.

The lamp 2 is detachably connected to a lamp socket 8, and the lamp socket 8 is fixed to the upper and lower sides of an inverted L-shaped support fitting 9. The lower part of the support bracket 9
The compression coil spring 11 elastically urges the cover body 7 side to hold the shaft 12, and the shaft 12 is fixed to an L-shaped mounting bracket 13. Fixed at the bottom of.

The illuminating device main body 4 includes a reflecting plate 14 forming a part of a substantially spherical surface on which the reflecting surface 3 is formed, a frame member 15 for holding a peripheral portion of the reflecting plate 14, and a screw for the frame member 15. A lid 17 fixed by 16 and extending toward the cover 7 side, a switch 18 provided on the lid 17 for supplying / shutting off electric power to the lamp 2, and a screw at the free end of the lid 17. 2 and is fixed to the lamp cover 21 having an inverted L-shaped cross section in the vertical direction shown in FIG. 2 and an upper free end portion of the lamp cover 21.
And a screwing piece 22 to which a bolt 23 inserted in is screwed.

A plurality of vent holes 23 are formed in the lid 17, and the side walls 24a and 24b of the lamp cover 21 that sandwich the lamp 2 are provided with a reflection surface of a reflector 14 for reflecting the light emitted from the lamp 2. V-shaped notches 25a, 25b are formed in order to irradiate 13 over the entire surface. Vent holes 26 are also formed in each of the side walls 24a and 24b. The reflection surface 3 is composed of a large number of reflection surface portions having different reflection angles, and is configured so that the light of the lamp 2 can be dispersed and reflected in a wide range.

The frame member 15 is integrally formed with a pair of convex portions 27a and 27b protruding rearward (to the right in FIG. 1), and the pin bolts 28 are provided on the respective convex portions 27a and 27b.
a and 28b are attached respectively. Each convex portion 27a, 27
Both ends of a substantially C-shaped swing arm 29 are arranged between b, and the pin bolts 28a, 28 are provided at these ends.
b is screwed. As a result, the swing arm 29 can swing about the axes of the pin bolts 29a and 29b.
A free end portion of an arm extending from a dental examination table (not shown) is connected to the swing arm 29 so that light can be emitted toward a treatment site of a patient.

The cover body 7 is made of a material having flexibility and elasticity, and having porosity, such as acrylic resin. Such a cover body 7 has a rectangular shape as shown in FIG. 3 and can be easily curved with one hand. The frame body 6 has two longitudinal end portions 3 of the cover body 7.
Two fitting grooves 32a, 32b into which 1a, 31b are fitted
Is formed. Both side portions 33a and 33b of the cover body 7 which are perpendicular to the longitudinal direction are provided with inner surfaces 34 of the frame body 6 which face each other.
a, 34b, and both sides 33a, 33b of these
Are not fitted in the frame body 6. Therefore, from the state where the cover body 7 is fitted in the fitting grooves 32a and 32b,
When removing the cover body 7, the vicinity of both end portions 31a, 31b of the cover body 7 is sandwiched in a curved state with one hand so that the bending radius becomes small, that is, both end portions 31a, 31b.
It may be further curved so that 31b are close to each other. When the cover body 7 is attached to the frame body 6, the both ends 31a and 31b are gradually separated from each other in a state in which the cover body 7 is curved slightly from the gap between the fitting grooves 32a and 32b.
That is, the cover body 7 can be easily attached to the frame body 6 by releasing the force of the hand in the direction approaching the plane. The cover body 7 and the frame body 6 constitute an explosion-proof hood.

The reflector 14 is made of glass. The frame member 15 is made of synthetic resin. On both sides of the frame member 15,
The handles 43a and 43b are detachably attached.

Guide protrusions 35a and 356b are formed on the inner surfaces 34a and 34b of the frame body 6 so as to protrude toward each other. In the state where the cover body 7 is mounted on the frame body 6, the protrusion between the both end portions 31a and 31b of the cover body 7 contacts the guide protrusions 35a and 35b from the outside (right side in FIG. 2), and the cover body 7 Can be prevented from being inadvertently pushed into the lamp 2 side, and it is possible to mount the lamp at a constant bending rate.

Since the cover body 7 can be easily attached or detached in this manner, stains on the inner surface of the cover body 7 and stains on the peripheral portion of the lamp cover 21 can be easily removed, and maintenance work is troublesome. Does not need

FIG. 4 shows a cover body 7 according to another embodiment of the present invention.
It is a perspective view which shows a. In the cover body 7a of this embodiment,
A notch 36 is formed in the one end 31 as an opening into which a finger can be inserted. A finger can be inserted into the notch 36 and easily removed.

FIG. 5 is a perspective view showing a cover body 7b according to still another embodiment of the present invention. The cover body 7b of this embodiment
Has a through hole 3 as an opening into which a finger can be inserted.
7 is formed at one end 31b. It is possible to easily remove the cover body 7b by inserting fingers into the through holes 37. By forming such a through hole 37, since both sides sandwiching the through hole 37 are connected by the portion 38, the strength of the one end portion 31b does not decrease.

FIG. 6 is a perspective view showing a cover body 7c according to still another embodiment of the present invention. Cover body 7c of the present embodiment
A gripping piece 39 that stands up at a substantially right angle is formed on the.
The frame body 6 is covered with the cover body 7 so that the grip pieces 39 are outward.
By mounting c, the cover body 39 can be grasped and the cover body 7c can be easily removed.

FIG. 7 is a perspective view showing a cover body 7d according to still another embodiment of the present invention. Cover body 7d of the present embodiment
Has two bolts 41a, 41b at one end 31b thereof.
It is installed in a state where it is locked. These bolts 4
1a and 41b can be screwed into the screw holes shown by the phantom line 42 in FIG. In this case, the other end portion 31a of the cover body 7d has one fitting groove 32a locked to the frame body 6.
It is not necessary to provide the other fitting groove 32b. Further, even when the other fitting groove 32b is already provided, the one end portion 31b of the cover body 7b may be formed short by the depth corresponding to the fitting groove 32b. In this way, only one end 31b is fitted in the fitting groove 32b, so that one end 31a of the cover body 7d is fitted in the fitting groove 32a, and both side portions 33a, 33b are respectively guided. The other end 31b is pressed from the state where it is in contact with the protrusions 35a and 35b, and
It suffices to tighten 1a and 41b, and therefore the cover body 7
Since it is not necessary to further bend d by attaching it to the frame body 6, the attachment work is facilitated.

The above-mentioned cover bodies 7, 7a, 7b, 7c,
7d shows that the length L1 in the width direction perpendicular to the longitudinal direction is the frame 6
Is selected to be slightly smaller than the length L2 between the inner surfaces 34a and 34b. By this, each cover body 7, 7a can be easily
It is possible to perform attachment / detachment exchange work of ~ 7d.

[0029]

According to the present invention, the light from the light source is reflected by the reflecting surface provided in the main body of the illuminator, and the main body of the illuminator is provided so that the frame can be opened and closed. The cover body is detachably fitted into this frame body to form an explosion-proof hood. In this way, the cover is removable from the frame,
The cover body can be easily removed from the frame body to perform maintenance such as cleaning, and workability is improved.

Further, according to the present invention, two fitting grooves are formed in the frame body, and both longitudinal ends of the cover body are fitted in the respective fitting grooves. Therefore, even if vibration is applied to the lighting device, the cover body is not likely to drop from the frame body, and safety is improved.

Further, according to the present invention, since the gripping piece is formed on the cover body, it is possible to easily attach and detach the cover body.

Further, according to the present invention, an opening is formed in the cover body. By inserting fingers into this opening, the cover body can be easily attached and detached.

Further, according to the present invention, the guide protrusion is formed on the frame body so that the cover body can be positioned and fixed at a fixed position between both ends in the longitudinal direction, and the cover body can be prevented from being displaced. .

[Brief description of drawings]

FIG. 1 is a plan view of a medical lighting device 1 according to an embodiment of the present invention viewed from above.

FIG. 2 is a vertical cross-sectional view of the medical lighting device 1.

FIG. 3 is a perspective view showing a cover body 7.

FIG. 4 is a perspective view showing a cover body 7a according to another embodiment of the present invention.

FIG. 5 is a perspective view showing a cover body 7b according to still another embodiment of the present invention.

FIG. 6 is a perspective view showing a cover body 7c according to still another embodiment of the present invention.

FIG. 7 is a perspective view showing a cover body 7d according to still another embodiment of the present invention.

[Explanation of symbols]

 1 Medical Illumination Device 2 Lamp 3 Reflection Surface 4 Illumination Device Main Body 5 Hinge Pin 6 Frame Body 7, 7a, 7b, 7c, 7d Cover Body 14 Reflector 15 Frame Member 21 Lamp Cover 29 Swing Arms 31a, 31b Both Ends 32a, 32b Fitting grooves 35a, 35b Guide protrusion 36 Notch 37 Through hole 39 Grasping piece 41a, 41b Bolt

Claims (5)

[Claims] 1. A light source, a lighting device main body having a reflecting surface for reflecting light from the light source, and a frame body that is openably and closably provided in the lighting device main body, is flexible and elastic, and transmits light. A illuminating device for medical use, comprising: a cover body made of a flexible material and an explosion-proof hood into which the cover body is detachably fitted. 2. The frame body is formed with two fitting grooves into which both longitudinal end portions of the cover body are fitted, and the both end portions of the cover body are elastically abutted in each fitting groove. The medical lighting device according to claim 1, wherein the cover body is held in contact with the frame body. 3. The medical lighting device according to claim 1, wherein the cover body is formed with a gripping piece protruding outward. 4. The medical lighting device according to claim 1, wherein the cover is formed with an opening into which a finger can be inserted. 5. The medical lighting device according to claim 1, wherein the frame body is formed with guide protrusions for positioning the cover body between both ends thereof.